png.c revision 3241bd0c43e56612fc7aa006a0d30333dacbb51a
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" 455a2ca481ab4ff6751bba842263739966e53441aacristy#include "magick/attribute.h" 463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob.h" 473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob-private.h" 483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/cache.h" 493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color.h" 503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color-private.h" 514ccd4c0b8623aa47f1c10dd366666799e5957c3ccristy#include "magick/colormap.h" 523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/colorspace.h" 533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/constitute.h" 543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/enhance.h" 553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception.h" 563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception-private.h" 573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/geometry.h" 58f2e1166e90de2dfe2e6a2aed7cd5f73640f34a7acristy#include "magick/histogram.h" 593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image.h" 603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image-private.h" 613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/layer.h" 623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/list.h" 633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/log.h" 643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/magick.h" 653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/memory_.h" 663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/module.h" 673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor.h" 683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor-private.h" 693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/option.h" 703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/profile.h" 723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/property.h" 733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantize.h" 743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/resource_.h" 753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/semaphore.h" 763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/static.h" 783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/statistic.h" 793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/string_.h" 80f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy#include "magick/string-private.h" 813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/transform.h" 823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/utility.h" 833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 84286a6355c4544b794da2b6df973faad07c69e541glennrp 857ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 867ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 87faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 887ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 90991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 91faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 92faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 93faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 94faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_DEPSTRUCT Access to this struct member is deprecated */ 95286a6355c4544b794da2b6df973faad07c69e541glennrp 963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "png.h" 973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "zlib.h" 983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* ImageMagick differences */ 1003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define first_scene scene 1013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Optional declarations. Define or undefine them as you like. 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* #define PNG_DEBUG -- turning this on breaks VisualC compiling */ 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Features under construction. Define these to work on them. 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_OBJECT_BUFFERS 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_BASI_SUPPORTED 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_COALESCE_LAYERS /* In 5.4.4, this interfered with MMAP'ed files. */ 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_INSERT_LAYERS /* Troublesome, but seem to work as of 5.4.4 */ 1153241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp#define PNG_BUILD_PALETTE /* This works as of 6.6.6 */ 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((color).red == (target).red) && \ 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).green == (target).green) && \ 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).blue == (target).blue)) 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 1283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 1293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef SETJMP_IS_THREAD_SAFE 1323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_SETJMP_NOT_THREAD_SAFE 1333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 1373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_semaphore = (SemaphoreInfo *) NULL; 1383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 1423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 1433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 1443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 1463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 1493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 1503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 1513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 1523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 1543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 1573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 1583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 1593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 1603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 1613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 1623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 1633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 1653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 1663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 1673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 1693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 1703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 174bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 1753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 1763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 1773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 1793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 1803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 1843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 1853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 1863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 1893ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 1903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 1913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 1923ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 1933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 1943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 1953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 1963ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 1973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 1983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 1993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 2003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 2013ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 2023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 2033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 2043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 2053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 2063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 2073ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 2083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 2093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 2103ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 2113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 2123ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 2133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 2143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 2163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 2173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 2183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 2193ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 2203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 2213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 2223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 2243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 2253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 2263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 2273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 2283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 2293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 2303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 2333ed852eea50f9d4cd633efb8c2b054b8e33c253cristyOther known chunks that are not yet supported by ImageMagick: 2343ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 2353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 2373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 2383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 2393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 2403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 2413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 2423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 2433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrptypedef struct _UShortPixelPacket 24505eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp{ 24605eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp unsigned short 24705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp red, 24805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp green, 24905eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp blue, 25005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp opacity, 25105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp index; 25205eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp} UShortPixelPacket; 25305eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2543ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 2553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 2573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 2583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 2593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 2603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 2613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 2623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2633ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 2643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 2663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 2673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 2683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 2693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2713ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 2723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 274bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 2753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 2763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 2773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 2793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 2803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 2823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 2833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 2853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 2863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 2883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 2893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 2903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 2913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 2923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 2933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 2943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 2953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 2963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 2973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 2983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 2993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 3003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 3013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3033ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 3043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 3053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 3073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 3083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 3093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 3123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 3133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 3153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 3163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 3193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 3213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 3223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 3243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 3253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 3263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 3273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 3283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 3293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 3313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 3323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 3333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 3343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 3353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 3363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 3373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 3383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 3393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 3403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 3413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 3423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 3433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 3443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 3453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 3463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 3473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 3483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 3513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 352bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 3533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 3543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 3553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 3563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 3573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 3583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 3593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 3613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 3623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 3633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 3643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 3653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 3673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 3683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 3693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 3703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 3713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 3723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 3733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 3753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 3763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 3783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 3793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 3813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 3823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 3843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 3863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 3883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 3903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 3913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 3933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 3943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 3963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 3973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39835ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 3993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 4003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 4013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 4023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 4033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 4043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 4053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 4063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 4073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 4103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 4113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 4123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 4133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 4143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 4153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 4163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 4173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 4183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 4193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 4203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 4213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 4223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 4233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 4243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 4253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 4263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 4273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 4283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 430bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 4313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 4323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 4333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 4363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 4373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 4383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 4393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 4403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 4413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 4423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 4433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 4443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 4453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 4483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 4493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 4503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 4513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 4523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 4533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 4543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 4553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 4563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 4573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 4583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 4603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 4613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 4633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 4643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 4673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WritePNGImage(const ImageInfo *,Image *); 4700c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4713ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteMNGImage(const ImageInfo *,Image *); 4730c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteJNGImage(const ImageInfo *,Image *); 4773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 4800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 4820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 4838640fb5e9b1094f35f8beab436f81661b8a99448glennrp LosslessReduceDepthOK(Image *image) 4840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 4850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp MagickBooleanType 4860c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce=MagickFalse; 4870c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4880c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp /* Reduce bit depth if it can be reduced losslessly from 16 to 8. 4890c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * Note that the method GetImageDepth doesn't check background 4900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * and doesn't handle PseudoClass specially. Also it uses 4910c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * multiplication and division by 257 instead of shifting, so 4920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * might be slower. 4930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp */ 4940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (image->depth == 16) 4960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 4970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const PixelPacket 4990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 5000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 5020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (((((size_t) image->background_color.red >> 8) & 0xff) 5038640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.red & 0xff)) && 5040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.green >> 8) & 0xff) 5058640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.green & 0xff)) && 5060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.blue >> 8) & 0xff) 5078640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.blue & 0xff))) ? MagickTrue : 5088640fb5e9b1094f35f8beab436f81661b8a99448glennrp MagickFalse; 5090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 5110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 5130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 5150c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5168640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(((((size_t) image->colormap[indx].red >> 5178640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8) & 0xff) 5188640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].red & 0xff)) && 5190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].green >> 8) & 0xff) 5208640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].green & 0xff)) && 5210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].blue >> 8) & 0xff) 5228640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].blue & 0xff)) && 5230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].opacity >> 8) & 0xff) 5248640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].opacity & 0xff))) ? 52513d07043243e0c8c151aad7db5240b75e76ca281cristy MagickTrue : MagickFalse; 5260c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5270c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5280c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 5320c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 5330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5340c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 5350c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 5360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 5380c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 5390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 5410c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 5430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5440c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (p == (const PixelPacket *) NULL) 5450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 5470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 5510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5528640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(( 5538640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->red >> 8) & 0xff) == 5548640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->red & 0xff)) && 5550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->green >> 8) & 0xff) == 5568640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->green & 0xff)) && 5570c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->blue >> 8) & 0xff) == 5588640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->blue & 0xff)) && 5598640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((!image->matte || 5608640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->opacity >> 8) & 0xff) == 5618640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->opacity & 0xff))))) ? MagickTrue : MagickFalse; 5620c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5630c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5640c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5660c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p++; 5670c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5688640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 5690c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5700c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5710c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5720c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5730c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 5740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5768640fb5e9b1094f35f8beab436f81661b8a99448glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 5770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5780c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 5810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 5820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 5830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 584e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 585e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_from_Magick_RenderingIntent(const RenderingIntent intent) 5860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 587e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 588e610a071534e448c46460a5aa39ede33bf56b329glennrp { 589e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 590e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 5910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 592e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 593e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 5940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 595e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 596e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 5970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 598e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 599e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 6000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 601e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 602e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 603e610a071534e448c46460a5aa39ede33bf56b329glennrp } 604e610a071534e448c46460a5aa39ede33bf56b329glennrp} 605e610a071534e448c46460a5aa39ede33bf56b329glennrp 606e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 607e610a071534e448c46460a5aa39ede33bf56b329glennrpPNG_RenderingIntent_to_Magick_RenderingIntent(const int png_intent) 6080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 609e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (png_intent) 610e610a071534e448c46460a5aa39ede33bf56b329glennrp { 611e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 612e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 6130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 614e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 615e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 6160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 617e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 618e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 6190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 620e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 621e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 6220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 623e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 624e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 625e610a071534e448c46460a5aa39ede33bf56b329glennrp } 626e610a071534e448c46460a5aa39ede33bf56b329glennrp} 627e610a071534e448c46460a5aa39ede33bf56b329glennrp 628bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6350c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 636bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 6393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 644dbb105fc25903e800273f7e980c0553060858a68glennrp 6453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 650dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s G r a y % 6513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 655dbb105fc25903e800273f7e980c0553060858a68glennrp% % 656dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsGrayImage except does not change DirectClass to PseudoClass % 657dbb105fc25903e800273f7e980c0553060858a68glennrp% % 658dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 660dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsGray(Image *image) 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 665bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 667dbb105fc25903e800273f7e980c0553060858a68glennrp x, 668dbb105fc25903e800273f7e980c0553060858a68glennrp y; 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 6713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 6723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 673dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 674dbb105fc25903e800273f7e980c0553060858a68glennrp 675dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 6763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 677dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 678dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(image->colormap+i) == MagickFalse) 679dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 680dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 6813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 682bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 686dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 687dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 688dbb105fc25903e800273f7e980c0553060858a68glennrp { 689dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(p) == MagickFalse) 690dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 691dbb105fc25903e800273f7e980c0553060858a68glennrp p++; 692dbb105fc25903e800273f7e980c0553060858a68glennrp } 6933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 694dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 695dbb105fc25903e800273f7e980c0553060858a68glennrp} 696dbb105fc25903e800273f7e980c0553060858a68glennrp 697dbb105fc25903e800273f7e980c0553060858a68glennrp/* 698dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 699dbb105fc25903e800273f7e980c0553060858a68glennrp% % 700dbb105fc25903e800273f7e980c0553060858a68glennrp% % 701dbb105fc25903e800273f7e980c0553060858a68glennrp% % 702dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s M o n o c h r o m e % 703dbb105fc25903e800273f7e980c0553060858a68glennrp% % 704dbb105fc25903e800273f7e980c0553060858a68glennrp% % 705dbb105fc25903e800273f7e980c0553060858a68glennrp% % 706dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 707dbb105fc25903e800273f7e980c0553060858a68glennrp% % 708dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsMonochromeImage except does not change DirectClass to PseudoClass % 709dbb105fc25903e800273f7e980c0553060858a68glennrp% and is more accurate. % 710dbb105fc25903e800273f7e980c0553060858a68glennrp% % 711dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 712dbb105fc25903e800273f7e980c0553060858a68glennrp*/ 713dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsMonochrome(Image *image) 714dbb105fc25903e800273f7e980c0553060858a68glennrp{ 715dbb105fc25903e800273f7e980c0553060858a68glennrp register const PixelPacket 716dbb105fc25903e800273f7e980c0553060858a68glennrp *p; 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 718dbb105fc25903e800273f7e980c0553060858a68glennrp register ssize_t 719dbb105fc25903e800273f7e980c0553060858a68glennrp i, 720dbb105fc25903e800273f7e980c0553060858a68glennrp x, 721dbb105fc25903e800273f7e980c0553060858a68glennrp y; 722a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 723dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image != (Image *) NULL); 724dbb105fc25903e800273f7e980c0553060858a68glennrp assert(image->signature == MagickSignature); 725a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (image->debug != MagickFalse) 726dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 727dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 728a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 729dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 730dbb105fc25903e800273f7e980c0553060858a68glennrp { 731dbb105fc25903e800273f7e980c0553060858a68glennrp if ((IsGray(image->colormap+i) == MagickFalse) || 732dbb105fc25903e800273f7e980c0553060858a68glennrp ((image->colormap[i].red != 0) && 733dbb105fc25903e800273f7e980c0553060858a68glennrp (image->colormap[i].red != (Quantum) QuantumRange))) 734dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 735dbb105fc25903e800273f7e980c0553060858a68glennrp } 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 738dbb105fc25903e800273f7e980c0553060858a68glennrp for (y=0; y < (ssize_t) image->rows; y++) 739dbb105fc25903e800273f7e980c0553060858a68glennrp { 740dbb105fc25903e800273f7e980c0553060858a68glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 741dbb105fc25903e800273f7e980c0553060858a68glennrp if (p == (const PixelPacket *) NULL) 742dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 743dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->red != 0) && (p->red != (Quantum) QuantumRange)) 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsGray(p) == MagickFalse) 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((p->opacity != OpaqueOpacity) && 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p->opacity != (Quantum) TransparentOpacity)) 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 760d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 7623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 8503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 878d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 879bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 8983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 8993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 901a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 909a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 9103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 9123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 9143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 9153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 9183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 9203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void LogPNGChunk(int logging, png_bytep type, size_t length) 9233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 9253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 926e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 927e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 9283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 929d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 935d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 9363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 9423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 9453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 9463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 9483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 9493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 9503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 9513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 9533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 9553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 9573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 9593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 9613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 9633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 9653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 9663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 9683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 9703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 9723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 9733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 9743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 9763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 9783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 9793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 9803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 9823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 9833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 9853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 9863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 9883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 9903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 9913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 9923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 9933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 9943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 9953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 9963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 9973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 9983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 9993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 10003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 10013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 10023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 10033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 10043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 10063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 10073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 10083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 10093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 10113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 10133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 10153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 10163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 10173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the orginal PNG from files that have been converted to Xcode-PNG, 10183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 10193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 10203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 10233ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 10243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 10283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 10293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 10303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 10373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 10383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(msg,MaxTextExtent, 1049e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1050e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 10513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 10523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 10583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 10593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 10603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 10613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 10623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 10633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 10643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 10653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 10663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 10703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 10713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1078bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 10940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 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_bKGD,4) == 0) 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1154bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 11550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1169bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1181bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 12030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 12080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1221bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1223bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoFreeStruct(MngInfo *mng_info,int *have_mng_structure) 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*have_mng_structure && (mng_info != (MngInfo *) NULL)) 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 12360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 12400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 12540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 12570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 12600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 12630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1275bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1276bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1277bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1278bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1296bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 12988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 12998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 13000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13108182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13128182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGErrorHandler(png_struct *ping,png_const_charp message) 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 13250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderError, 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1329faa852bad40107edae19405e76a299057668d795glennrp#if PNG_LIBPNG_VER < 10500 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1331faa852bad40107edae19405e76a299057668d795glennrp#else 1332faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1333faa852bad40107edae19405e76a299057668d795glennrp#endif 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGWarningHandler(png_struct *ping,png_const_charp message) 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 13430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1347cc23b9a188db6b1f240825f6d4c52310f5f69765cristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 13480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderWarning, 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_voidp png_IM_malloc(png_structp png_ptr,png_uint_32 size) 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER < 10011) 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_voidp 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret; 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret=((png_voidp) AcquireMagickMemory((size_t) size)); 13620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ret == NULL) 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error("Insufficient memory."); 13650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ret); 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_free_ptr png_IM_free(png_structp png_ptr,png_voidp ptr) 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_read_raw_profile(Image *image, const ImageInfo *image_info, 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp text,int ii) 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1392bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1425f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 14260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","invalid profile length"); 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(length); 14390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "unable to copy profile"); 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 14510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1452bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","ran out of data"); 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 14680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,&text[ii].key[17],profile); 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 14800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1514bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 15160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1572faa852bad40107edae19405e76a299057668d795glennrp pass, 1573faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1574faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1575faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1576faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1577faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 1578faa852bad40107edae19405e76a299057668d795glennrp ping_num_trans; 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 158305eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp UShortPixelPacket 15843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color; 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1586faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1587faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1588faa852bad40107edae19405e76a299057668d795glennrp 1589faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1590faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1591faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1592faa852bad40107edae19405e76a299057668d795glennrp 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1603faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1604faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1605faa852bad40107edae19405e76a299057668d795glennrp ping_width, 1606faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes; 1607faa852bad40107edae19405e76a299057668d795glennrp 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 16103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1614bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register IndexPacket 16215c6f789db7a30bad01ace12b09ad9cd471339e94cristy *indexes; 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1623bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 16243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 16283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 163139992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 16353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 16363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 16403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 16413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 16423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 16433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 16443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOnePNGImage()"); 16483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1650f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 165325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 165961b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 166061b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 166161b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 166261b4c957269727a0a2526edc2331881da8346100glennrp { 166361b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 166461b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 166561b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 166661b4c957269727a0a2526edc2331881da8346100glennrp } 166761b4c957269727a0a2526edc2331881da8346100glennrp# endif 166861b4c957269727a0a2526edc2331881da8346100glennrp#endif 166961b4c957269727a0a2526edc2331881da8346100glennrp 167061b4c957269727a0a2526edc2331881da8346100glennrp 1671ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info = (QuantumInfo *) NULL; 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 16763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING, image, 16793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler, NULL, 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_malloc_ptr) png_IM_malloc,(png_free_ptr) png_IM_free); 16813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 16823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,image, 16833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler); 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 16890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 16913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 16970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) NULL; 17050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1706faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 17073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1713f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 17180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 17207b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 17217b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 17227b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 17237b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 17240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1730faa852bad40107edae19405e76a299057668d795glennrp 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 17330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 17493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 17613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 17643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1766991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 1767991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 1768991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 17693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 17703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 17733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 17763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 17773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1782991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 17833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 1786faa852bad40107edae19405e76a299057668d795glennrp 1787faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 1788faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 1789faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 1790faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 1791faa852bad40107edae19405e76a299057668d795glennrp 1792faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 1793faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 1794faa852bad40107edae19405e76a299057668d795glennrp 1795faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 1796faa852bad40107edae19405e76a299057668d795glennrp 1797faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1799faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 1800faa852bad40107edae19405e76a299057668d795glennrp { 1801faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 1802faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 1803faa852bad40107edae19405e76a299057668d795glennrp } 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1805faa852bad40107edae19405e76a299057668d795glennrp 1806faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 1808faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1812e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 1813e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 18140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 1817faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 18180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 1821faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 18220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 1825faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1828faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 1829faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy info, 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 18430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(profile_length); 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetStringInfoDatum(profile,(const unsigned char *) info); 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,"icc",profile); 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 18603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intent; 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 1865e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1866e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent); 18670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1870e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent=PNG_RenderingIntent_to_Magick_RenderingIntent( 1871e610a071534e448c46460a5aa39ede33bf56b329glennrp intent); 18720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1875e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 18763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy double 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_gamma; 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1883faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 1884faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 1885faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 18860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 18883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1895faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 1896faa852bad40107edae19405e76a299057668d795glennrp { 1897faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 1898faa852bad40107edae19405e76a299057668d795glennrp { 1899faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 1900faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 1901faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 1902faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 1903faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 1904faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 1905faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 1906faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 1907faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 1908faa852bad40107edae19405e76a299057668d795glennrp } 1909faa852bad40107edae19405e76a299057668d795glennrp } 19100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1911faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 19123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 19220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1928e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 19293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1930e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 1931e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 1932e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent)); 1933faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 1934faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 1935faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 1936faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 19373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 1939faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 19403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=png_get_x_offset_pixels(ping, ping_info); 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=png_get_y_offset_pixels(ping, ping_info); 19430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1947e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 1948e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 1952faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 1953faa852bad40107edae19405e76a299057668d795glennrp { 1954faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 1955faa852bad40107edae19405e76a299057668d795glennrp { 1956faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 1957faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 1958faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 1959faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 1960faa852bad40107edae19405e76a299057668d795glennrp } 1961faa852bad40107edae19405e76a299057668d795glennrp } 1962faa852bad40107edae19405e76a299057668d795glennrp 1963faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 19643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unit_type; 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_resolution, 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_resolution; 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 19760881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 19770881b52ab4fee8427578a694081946c4c4e92b35cristy image->x_resolution=(double) x_resolution; 19780881b52ab4fee8427578a694081946c4c4e92b35cristy image->y_resolution=(double) y_resolution; 19790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 19813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 19833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=(double) x_resolution/100.0; 19843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=(double) y_resolution/100.0; 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1989e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 1990e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1993faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 19993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 20020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2004faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 20100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2011faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 20193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 20223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 20243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 20253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 20273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2028faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2037faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2038faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 20390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 20413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 20420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 20450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 20480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 20503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 20543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 20553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 20563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 20573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 2061faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2062faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 20633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 20640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2065faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 20693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 20730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20742cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == MAGICKCORE_QUANTUM_DEPTH) 20753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2076faa852bad40107edae19405e76a299057668d795glennrp image->background_color.red=ping_background->red; 2077faa852bad40107edae19405e76a299057668d795glennrp image->background_color.green=ping_background->green; 2078faa852bad40107edae19405e76a299057668d795glennrp image->background_color.blue=ping_background->blue; 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20812cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else /* Scale background components to 16-bit */ 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20832cbb4489df0a2a31907769956f217d4b9d982bd0glennrp unsigned int 20842cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale; 20852cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20862cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 20872cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20882cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 20892cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 20902cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20912cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 1; 20920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20932cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == 1) 20942cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 255; 20950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20962cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 2) 20972cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 85; 20980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20992cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 4) 21002cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 17; 21010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21022cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth <= 8) 21032cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale *= 257; 21042cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21052cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->red *= bkgd_scale; 21062cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green *= bkgd_scale; 21072cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->blue *= bkgd_scale; 21082cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21092cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21102cbb4489df0a2a31907769956f217d4b9d982bd0glennrp { 21112cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21122cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 21130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21152cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 21162cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 21172cbb4489df0a2a31907769956f217d4b9d982bd0glennrp } 21182cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red= 2120faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 21210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green= 2123faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 21240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue= 2126faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->blue); 21270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2128f17da7472c6195cfc91626d98d166cae04345d34cristy image->background_color.opacity=OpaqueOpacity; 21292cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21302cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21312cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2132e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->background_color=(%.20g,%.20g,%.20g).", 2133e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.red, 2134e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.green, 2135e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.blue); 21363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=0; 21403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=0; 21413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=0; 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.opacity=0; 2143faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 21443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 21503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 215135ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 215235ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 215335ef824baa82511126ff0072ae30eee0da9c05a3cristy 21543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 21573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2158f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2160faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2161faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2162faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2163faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2164faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2165faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 21703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2171faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 217605eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.red= (unsigned short)(ping_trans_color->red); 217705eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.green= (unsigned short) (ping_trans_color->green); 217805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.blue= (unsigned short) (ping_trans_color->blue); 217905eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity= (unsigned short) (ping_trans_color->gray); 218005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2181faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21830f111984738842d27d04aed2a3f823d82a943506glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 21840f111984738842d27d04aed2a3f823d82a943506glennrp if (ping_bit_depth < MAGICKCORE_QUANTUM_DEPTH) 21850f111984738842d27d04aed2a3f823d82a943506glennrp#endif 218605eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity=(unsigned short) ( 21870f111984738842d27d04aed2a3f823d82a943506glennrp ping_trans_color->gray * 218805eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp (65535L/((1UL << ping_bit_depth)-1))); 21890f111984738842d27d04aed2a3f823d82a943506glennrp 219005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 219105eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp else 219205eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp transparent_color.opacity=(unsigned short) ( 219305eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp (ping_trans_color->gray * 65535L)/ 219405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp ((1UL << ping_bit_depth)-1)); 21950f111984738842d27d04aed2a3f823d82a943506glennrp#endif 21960f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 21970f111984738842d27d04aed2a3f823d82a943506glennrp { 21980f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21990f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 22000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22010f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22020f111984738842d27d04aed2a3f823d82a943506glennrp " scaled graylevel is %d.",transparent_color.opacity); 22030f111984738842d27d04aed2a3f823d82a943506glennrp } 22043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=transparent_color.opacity; 22053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=transparent_color.opacity; 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=transparent_color.opacity; 22073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 22123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2213faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 22143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 22153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2218faa852bad40107edae19405e76a299057668d795glennrp 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2220faa852bad40107edae19405e76a299057668d795glennrp 2221faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2222faa852bad40107edae19405e76a299057668d795glennrp 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2227bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2232faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2233faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2244faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2245faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2246faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2247faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2248faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2250befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2251befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2252befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2254befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2255befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=256; 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 65536L) 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=65536L; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2263faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2272bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 22730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 22843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (AcquireImageColormap(image,image->colors) == MagickFalse) 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 22870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2288faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 22970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2298bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2308bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2311faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 23120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 23150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2316bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 23193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 23283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 23290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23300ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2331347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2332347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 23333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2336e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 23373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 23383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2340f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 23450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 23520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 23543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2355faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes*sizeof(*png_pixels)); 23560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2358faa852bad40107edae19405e76a299057668d795glennrp png_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 23593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 23600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 23623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 23673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 23693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2370faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 23713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 23743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2377f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 23803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info = DestroyQuantumInfo(quantum_info); 23810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 23840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 23880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 23907b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 23917b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 23927b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 23937b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 23940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 23963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2398ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 23990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2400ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 2401ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 24020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 24043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 24053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 24073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert image to DirectClass pixel packets. 24083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 24093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 24103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth; 24123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2413bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy depth=(ssize_t) ping_bit_depth; 24143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2415faa852bad40107edae19405e76a299057668d795glennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2416faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2417faa852bad40107edae19405e76a299057668d795glennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2418faa852bad40107edae19405e76a299057668d795glennrp MagickTrue : MagickFalse; 24193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2420bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 24213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2423faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 24240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 24263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 24270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_row(ping,png_pixels+row_offset,NULL); 2429abc8f408bb48da2d73cb760d61f16063695081d2cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 24300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 24323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 24333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (0 && (MAGICKCORE_QUANTUM_DEPTH == 8) && !defined(MAGICKCORE_HDRI_SUPPORT)) 24343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth == 16) 24353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 24373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p, 24383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 24393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=png_pixels+row_offset; 24413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=r; 2442faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 24433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2444bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 24453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 2448faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) && 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((*(p-2) << 8)|*(p-1)) == transparent_color.opacity)) 24503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Cheap transparency */ 24523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=TransparentOpacity; 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 24553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=OpaqueOpacity; 24563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2458faa852bad40107edae19405e76a299057668d795glennrp else if (ping_color_type == PNG_COLOR_TYPE_RGB) 24593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2460faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2461bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((((*(p-6) << 8)|*(p-5)) == transparent_color.red) && 24703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((*(p-4) << 8)|*(p-3)) == transparent_color.green) && 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((*(p-2) << 8)|*(p-1)) == transparent_color.blue)) 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Cheap transparency */ 24743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=TransparentOpacity; 24753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 24773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=OpaqueOpacity; 24783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2480bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 24813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=OpaqueOpacity; 24893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2492faa852bad40107edae19405e76a299057668d795glennrp else if (ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 2493bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (4*image->columns); x != 0; x--) 24943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 24963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 24973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2499faa852bad40107edae19405e76a299057668d795glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 2500bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (2*image->columns); x != 0; x--) 25013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 25033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 25043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2506faa852bad40107edae19405e76a299057668d795glennrp if (depth == 8 && ping_color_type == PNG_COLOR_TYPE_GRAY) 25073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GrayQuantum,png_pixels+row_offset); 25090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2510faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY || 2511faa852bad40107edae19405e76a299057668d795glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 25123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 25143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GrayAlphaQuantum,png_pixels+row_offset); 25163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2518faa852bad40107edae19405e76a299057668d795glennrp else if (depth == 8 && ping_color_type == PNG_COLOR_TYPE_RGB) 25193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RGBQuantum,png_pixels+row_offset); 25210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2522faa852bad40107edae19405e76a299057668d795glennrp else if (ping_color_type == PNG_COLOR_TYPE_RGB || 2523faa852bad40107edae19405e76a299057668d795glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 25243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 25263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RGBAQuantum,png_pixels+row_offset); 25283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2530faa852bad40107edae19405e76a299057668d795glennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 25313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IndexQuantum,png_pixels+row_offset); 25333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* (MAGICKCORE_QUANTUM_DEPTH != 8) */ 25340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2535faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GrayQuantum,png_pixels+row_offset,exception); 25380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2539faa852bad40107edae19405e76a299057668d795glennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 25403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GrayAlphaQuantum,png_pixels+row_offset,exception); 25420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2543faa852bad40107edae19405e76a299057668d795glennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RGBAQuantum,png_pixels+row_offset,exception); 25460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2547faa852bad40107edae19405e76a299057668d795glennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 25483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IndexQuantum,png_pixels+row_offset,exception); 25500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 25533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RGBQuantum,png_pixels+row_offset,exception); 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 25557a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 25567a287bfadeadea12e47c2376ca78a5d101687142cristy { 2557cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2558cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 25590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25607a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 25617a287bfadeadea12e47c2376ca78a5d101687142cristy break; 25627a287bfadeadea12e47c2376ca78a5d101687142cristy } 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25677a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 25683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 25773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 25803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 25833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 25863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2587faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 25890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 25920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 25950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2596bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2599faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 26023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_row(ping,png_pixels+row_offset,NULL); 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 26040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26085c6f789db7a30bad01ace12b09ad9cd471339e94cristy indexes=GetAuthenticIndexQueue(image); 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=png_pixels+row_offset; 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 2611faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 26123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2615bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2618bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2627bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 26283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 26293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 263347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 26353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2636bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 6) & 0x03; 26393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x03; 26403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 2) & 0x03; 26413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x03; 26423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 26453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2646bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 26473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p >> (i*2)) & 0x03); 26483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 265247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 26543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2655bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x0f; 26583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x0f; 26593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++ >> 4) & 0x0f; 26630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 266647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2669faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 2670bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* In image.h, OpaqueOpacity is 0 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * TransparentOpacity is QuantumRange 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * In a PNG datastream, Opaque is QuantumRange 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and Transparent is 0. 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleCharToQuantum((unsigned char) (255-(*p++))); 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2683bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 268847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 26903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2691bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 16) 2694bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 27020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 27053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=(Quantum) quantum; 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 270747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2708faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=((*p++) << 8); 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-quantum); 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 27163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 2717bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 27220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 27250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 27283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=quantum; 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 27300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2731faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(*p << 8) | *(p+1); 27343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity*=65537L; 273546f08209f719f4adeea742c45873c2714e80cdb9cristy q->opacity=(Quantum) GetAlphaPixelComponent(q); 27363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=2; 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 273947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++); 27423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* strip low byte */ 274347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2744faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-(*p++)); 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 275347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 275647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 27623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 27640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2765bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 276680ac8b9110f1adf7202ed1f4f244cbb1a4e1a56fcristy indexes[x]=(IndexPacket) (*r++); 27670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 27693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27717a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 27727a287bfadeadea12e47c2376ca78a5d101687142cristy { 2773cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2774cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 277547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27767a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 27777a287bfadeadea12e47c2376ca78a5d101687142cristy break; 27787a287bfadeadea12e47c2376ca78a5d101687142cristy } 27793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27807a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 278347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 27883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2789b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 2790b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 27910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27925c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 27935c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 2794aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 27955c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 27965c6f789db7a30bad01ace12b09ad9cd471339e94cristy 27975c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 27985c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 27995c6f789db7a30bad01ace12b09ad9cd471339e94cristy (void) SyncImage(image); 2800aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 28015c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 280247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_end(ping,ping_info); 28043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 2806bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 28073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 28093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 28103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 28113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 28123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2813f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 28143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 28153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 28183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 28193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 282047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2821faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 28243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 28253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 28283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 28303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 2831c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28323c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 2833c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 28350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2837c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 28380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 28390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = 28410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleCharToQuantum((unsigned char)(255-ping_trans_alpha[x])); 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2843c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 284447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 28480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 28500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent_color.opacity) 28510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = (Quantum) TransparentOpacity; 28530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 28570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 285847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 28620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 28640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 2865c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (q == (PixelPacket *) NULL) 28670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2868c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp indexes=GetAuthenticIndexQueue(image); 28700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 28720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(q->red) == transparent_color.red && 28740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 28750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue) 28760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q->opacity=(Quantum) TransparentOpacity; 28770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp SetOpacityPixelComponent(q,OpaqueOpacity); 28800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q++; 28820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 28850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2886c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 28870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2888c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 28903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28913c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 2892b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy if ((ping_color_type == PNG_COLOR_TYPE_GRAY) || 2893b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2894b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy image->colorspace=GRAYColorspace; 289547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_text(ping,ping_info,&text,&num_text) != 0) 2897bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) num_text; i++) 28983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check for a profile */ 29003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG text chunk"); 29040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(text[i].key, "Raw profile type ",17) == 0) 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_read_raw_profile(image,image_info,text,(int) i); 29070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=text[i].text_length; 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*value)); 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value == (char *) NULL) 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value='\0'; 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(value,text[i].text,length+2); 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProperty(image,text[i].key,value); 29260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Keyword: %s",text[i].key); 29300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=DestroyString(value); 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29343c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 29403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 29453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 294773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 29480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 29503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 29523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 29533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 295547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 29573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 29583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 29653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 29753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 29760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 29790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 29820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 29863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2988faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 29900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2991faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 2992faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 2993faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 2994faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 2995faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 2996faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 2997faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 2998faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 29990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3000faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 30133c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 30153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 301947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3032f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 30333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 30380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30443ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 30493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 30523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 30553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 30603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure, 30613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 30623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 30643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 30653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 30683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 30703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 307147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 30733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 30743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 307547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 30773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 30783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadPNGImage()"); 30793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 30803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 30813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 308247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 30843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 308547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 30883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 309047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 309347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 309873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 309947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 310247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 31053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 31083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 311347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 31280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 313147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 313347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 31390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 314247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG8") == 0) 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,PaletteType); 31460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 31483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: Reduce to binary transparency */ 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 315247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorType); 31563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorMatteType); 31610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 31640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 31673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 31713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 31843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 31853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 31863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 31883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 31903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 31933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 31973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 31993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 32013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 32033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 32043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 32073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 32103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 32113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 32133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 32143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 32153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3216bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 32173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 32213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 32233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 32253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 32303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 32313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 32323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 32333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 32343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 32373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3239bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 32403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 32413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 32423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 32443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 32453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 32523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 32533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 32543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3255bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 32563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 32573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 32633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter ReadOneJNGImage()"); 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 32720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 32810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 32830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 32860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 33023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 33053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 33140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3325e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3326e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 33273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 33300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 333347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 33370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 33393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 33400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3341bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 33430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 334647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 33483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 33503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 335347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 33583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3361bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 33623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3363bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 33663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 336947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 337247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 33743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 337747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3381f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 338247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3384f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 338547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 338847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 33913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 339247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 339647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 33993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 340047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 340447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 34073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 340847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 341247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 341847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 342147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 34333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 34343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 34353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 343773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 343847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 344147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=AcquireImage(color_image_info); 34440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 34510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 34543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 346273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 34630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 34683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=AcquireImage(alpha_image_info); 34690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 34733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 34743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 34800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 34960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 34990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 35013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_IHDR,13L); 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 351947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 352647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 352947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 35343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 353847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_IDAT,length); 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 35503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 35533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 35623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 356347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 35643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 35703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 35830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 35933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 35953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 35963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 36003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 36023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 36033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 36043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 36113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 36138182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 36140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 36203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 36223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 36248182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 36258182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 36268182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 36278182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 36288182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 36298182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 36308182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 36313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 363247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 36383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 36403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3641e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 3642e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 36433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 36443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 36453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 36463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 36473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 36493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 36503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 36523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 365347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 36593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36628182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.x=mng_get_long(p); 36638182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->page.y=mng_get_long(&p[4]); 36640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 36683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 36693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 367147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36828182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->x_resolution=(double) mng_get_long(p); 36838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->y_resolution=(double) mng_get_long(&p[4]); 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=image->x_resolution/100.0f; 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=image->y_resolution/100.0f; 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 37293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy opacity samples of main image. 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 374147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 37450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(color_image_info->filename,MaxTextExtent,"%s", 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 37480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 37510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 37650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns*sizeof(PixelPacket); 37690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception); 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(q,s,length); 377547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 37810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 37873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 37923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_IEND,0L); 37933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 37980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading opacity from alpha_blob."); 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(alpha_image_info->filename,MaxTextExtent, 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 38070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 3809bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 381447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 3816bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3820bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q->opacity != OpaqueOpacity) 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 38253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 38313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 38353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 383847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 383947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 38433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 38470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 38490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 38500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 38530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 38550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 38590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 38643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 38660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 38700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure, 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadJNGImage()"); 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 39390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 394647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 394747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 394947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 395347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 395447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 395673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 39570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 396147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 396247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 39700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 398647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 39980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 40213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4022bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 40263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4047bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4053bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4070bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 407938ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 408038ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 408138ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4082bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 410447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 410547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter ReadMNGImage()"); 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 41150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 412247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 412347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 412447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 412573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 41260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 413047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 413147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 414147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 414547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 414647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4149bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4150bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 415447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4197e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4198e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 42020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 42050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 42080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 421247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 421547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4216bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 421847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 42320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 42430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 424847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 42530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 42600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4266bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 42680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4269bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 42710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4275e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4277e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 42818182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 42820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 42850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 42890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 42920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 42968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 43000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 43030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 43060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 431347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 43150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 43260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4327e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (void) FormatMagickString(page_geometry,MaxTextExtent, 4328e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4329f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 43300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4332bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4334bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 43360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 43520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 43568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 43570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 43600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 43690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4371e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4374e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 43880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 44170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 44200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 44270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 44280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 44310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4435e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 4436f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 44370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4439e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 4440f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 44500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 44570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 44800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 44830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.opacity=OpaqueOpacity; 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 450647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 450947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 451047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 45160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 452435ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 45390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 454347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 4549bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 455612560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4564bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45678182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 45740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 458147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 458247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 45868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 45878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 45898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 45918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 45938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 45958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 45978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 460247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 460647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4614e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 4615e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_to_Magick_RenderingIntent(p[0]); 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 462047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 462447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do. */ 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 46313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 463447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 463747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 46440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 46470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 465147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 46550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 46590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 466247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 466347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 466547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4666bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 466847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 467047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4671bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 468247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 46868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 46870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46888182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 46898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 46900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4691bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4692bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 46930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 46960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 46980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4701e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 470347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4706bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 4707bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 47080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4709bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 4710bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 47110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4712bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4713bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 47140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 47170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4722e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 472447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 47300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 4734e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 4735e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 473647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 47440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4745bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 47470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4748bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4756e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 4757e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 47580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 476247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 476647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 477347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 47880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 47990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 4803e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 4804e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 482147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 483347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 485747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 485847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4867bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4870bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 488247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4885bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 488947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 489047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 4893bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 491047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4917bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 492047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 492147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 49228182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 49230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4926e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 4927e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 49280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 49310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 494247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 494647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 495847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 49650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 4969e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 4970f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 497147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 49760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 498147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 499947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 500347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 501047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 50300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 50330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 50360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 504747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 505347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 505947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 506247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 506847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 507147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 507747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 508047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 508647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 508947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 509547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 509847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 510447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 510747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 511347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 511747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 512547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 514447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 515147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 515447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 516147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 516447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 516947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 51858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 51878182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 519147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 520047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 520647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 521147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5214bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5216bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 522447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 522747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 523047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 523347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 523647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 523947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 524247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 525047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 525347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 525647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 526147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 527147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 527847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 528147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 528747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 529547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 52978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5310bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5312bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 532047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 532747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 533147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 533847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 534147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 534247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 534347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5355e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5356e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 537347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 538047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 53850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 539547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 54060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5410e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5411e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 541547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 542247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 542947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 54350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 54380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 546247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 546647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 54703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 547147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5472bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 547347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 548547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 553147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 553447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 553647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 553747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 553947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55424e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 554347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 554647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 554947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 555147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 555247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 555447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 555847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 556147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 556347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 556447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 556647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55694e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 557047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 557347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 557647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 557847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 557947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 558147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5591bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5595bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next, 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *prev; 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 561047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 561147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 561547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 561747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5641bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 564547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5646bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleQuantumToShort(q->red); 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleQuantumToShort(q->green); 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleQuantumToShort(q->blue); 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleQuantumToShort(q->opacity); 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 565447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 566547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->background_color.opacity=OpaqueOpacity; 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 567047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 567347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 567647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 567947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5688e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 5689bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=(size_t) image->columns; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*next)); 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*prev)); 569447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((prev == (PixelPacket *) NULL) || 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next == (PixelPacket *) NULL)) 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 570647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5707bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 5710bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 571147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5712bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 5713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 571447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5715bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 5716bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 571747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5718bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 572047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5722bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 572347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 572747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5728bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 573447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5740bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1,exception); 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q+=(large_image->columns-image->columns); 574647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5747bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57495c6f789db7a30bad01ace12b09ad9cd471339e94cristy /* TO DO: get color as function of indexes[x] */ 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); /* replicate previous */ 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 576547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 5769bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).red=(QM) (((ssize_t) (2*i*((*n).red 5770bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).red)+m))/((ssize_t) (m*2)) 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).red); 5772bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).green=(QM) (((ssize_t) (2*i*((*n).green 5773bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).green)+m))/((ssize_t) (m*2)) 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).green); 5775bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).blue=(QM) (((ssize_t) (2*i*((*n).blue 5776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).blue)+m))/((ssize_t) (m*2)) 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).blue); 577847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 5780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (2*i*((*n).opacity 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).opacity)+m)) 5783bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).opacity); 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 578547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 580147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 580447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5807bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) (2*i*((*n).opacity 5808bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m))/((ssize_t) (m*2)) 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels++; 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 581647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 581947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 582247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) RelinquishMagickMemory(prev); 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) RelinquishMagickMemory(next); 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5841e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5843bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=q+(image->columns-length); 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=pixels+1; 585147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5852bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 5853bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5855bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 5856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 585747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5858bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 5859bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 586047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5861bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 5862bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 586347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5864bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 586647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5868bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 586947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 588247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).red=(QM) ((2*i*((*n).red 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).red)+m) 5888bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).red); 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).green=(QM) ((2*i*((*n).green 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).green) 5891bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy +m)/((ssize_t) (m*2))+(*pixels).green); 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).blue=(QM) ((2*i*((*n).blue 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).blue)+m) 5894bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).blue); 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5897bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m)/((ssize_t) (m*2)) 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 590047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 591047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 591647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 591947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5924bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m) /((ssize_t) (m*2)) 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 593347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5943bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 594647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5947bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleShortToQuantum(q->red); 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleShortToQuantum(q->green); 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleShortToQuantum(q->blue); 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleShortToQuantum(q->opacity); 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 595547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 598947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6005bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6006bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 601247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 602447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60472b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 60482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 60492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 60502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 60512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 60522b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 60532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 60542b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 60550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 60568640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 60578640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6059d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageException(image,exception); 606147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6065bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6068d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6072d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 607447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 607647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 608047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 60910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 610247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 610647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 61190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 61220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 61270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 613847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 614247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 61470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 615247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 615847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 616647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 617747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 618047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 618347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 61910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 61970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 620247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 62080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 62100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6213e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6214e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 62150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 622347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 622647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6228e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 622947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6234e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6246bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 625147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=CoalesceImages(image,&image->exception); 625447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 625747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 626047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 626947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 627247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 628947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 629947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 630247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6304e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6305e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 630647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 6308f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 6309f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 631047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6311f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6312e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 6313e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 6314f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 6315f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 631647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 632047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 632347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 632625c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 633147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 633447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 633747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 634225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6365bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6368bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 638147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 638747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 639547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 639947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 640747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 641047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 641547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 641847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 642147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 642747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 643247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 643747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 644047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 644547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 645047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 646047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 646447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 647447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 648747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 649247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 650047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 650747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 651447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 651518b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 651618b17443128598500357da7bff2f01683cf32890cristy png_semaphore=AllocateSemaphoreInfo(); 651718b17443128598500357da7bff2f01683cf32890cristy#endif 651847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 654947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6551514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy if (png_semaphore != (SemaphoreInfo *) NULL) 6552514e9e77a37d27ed811aca06ea6c300bc06cc1f2cristy DestroySemaphoreInfo(&png_semaphore); 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 655725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 65643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Fix problem with palette sorting (when PNG_SORT_PALETTE is enabled, 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% some GIF animations don't convert properly) 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 66323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristypng_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 66650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 66683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(dp,allocated_length- 6686f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 668847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6689bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 669647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 670347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 670647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType png_write_chunk_from_profile(Image *image, 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char *string, int logging) 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 672747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 672847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 672947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 673147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_profile; 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 673747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 673847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 673947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 674047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 674147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 674247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 674347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=CloneStringInfo(profile); 674447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data=GetStringInfoDatum(png_profile), 674547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp length=(png_uint_32) GetStringInfoLength(png_profile); 674647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 674747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 674847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 674947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 675047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 675147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 675247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 675347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp png_profile=DestroyStringInfo(png_profile); 675447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 675647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 675947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one PNG image */ 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte, 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 6781cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 6782cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 6783e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 6784e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 67855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 678639992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 678739992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 67883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 67905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 67915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 67925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 67983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 68005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 68015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 68025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6803bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 68043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 68053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 680739992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 6808991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 6809991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 6810991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6816bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 68173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png_pixels; 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 68243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 68253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte; 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 68280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 68295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 68305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 68315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 68325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 68335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 68345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6835bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 68363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_colors, 68375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 68385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6840bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 684139992b4dd9b12ef752d55b8e402c069698851f72glennrp number_colors, 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 68453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6846dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 6847dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 6848dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6849dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 6850dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 6851dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 6852dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 68533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 68543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOnePNGImage()"); 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6857f84a193d5f435588cd78d521fff3f1f852e227f8cristy LockSemaphoreInfo(png_semaphore); 68583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 68593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 68610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 68625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 68635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 68645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 68655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 68665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 68675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 68695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 68705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 68715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 68725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 68735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 68755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 68765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 68775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 68785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6879dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 6880dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 6881dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 6882dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 688339992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 6884991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 6885991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 6886991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 6887991d11dd9c33e65872778b81aff1347cd2878154glennrp 68883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colorspace != RGBColorspace) 68893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) TransformImageColorspace(image,RGBColorspace); 68900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 68913241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 68923241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 68933241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 68943241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 68953241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 68963241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 68973241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 68982b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 68992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 69002b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 69012b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 69022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 69032b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 69042b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 69052b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 69068640fb5e9b1094f35f8beab436f81661b8a99448glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 69077e2c405930c984e8ffb49b26efdfe1649bf394d6cristy if (image->depth == 16 && mng_info->write_png_colortype != 16) 69088640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 69098640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 69108640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 69118640fb5e9b1094f35f8beab436f81661b8a99448glennrp 691283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp#ifdef PNG_BUILD_PALETTE 691383c2de583a59e41b57be8036d1cf7392c01d03d7glennrp if (((mng_info->write_png_colortype-1) == PNG_COLOR_TYPE_PALETTE) || 69147ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (mng_info->write_png_colortype == 0)) 691583c2de583a59e41b57be8036d1cf7392c01d03d7glennrp { 691683c2de583a59e41b57be8036d1cf7392c01d03d7glennrp /* 69177ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 69187ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * This code will convert them to PseudoClass and build a colormap. 69197ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * 69203241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * Also, sometimes we get PseudoClass images with an out-of-date 69213241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp * colormap. This code will replace the colormap with a new one. 69227ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp */ 69237ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69247ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " Enter BUILD_PALETTE:"); 69253c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69267ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp if (logging != MagickFalse) 692783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp { 69283c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69297ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " image->columns=%.20g",(double) image->columns); 69307ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69317ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " image->rows=%.20g",(double) image->rows); 69327ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69337ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " image_matte=%.20g",(double) image->matte); 69347ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69357ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " image->depth=%.20g",(double) image->depth); 69367ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 69373c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69387ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp image->colors=GetNumberColors(image,(FILE *) NULL,&image->exception); 69397ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp image_colors=image->colors; 69403c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69417ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp if (logging != MagickFalse && image->colormap != NULL) 69427ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 69437ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69447ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " i (red,green,blue,opacity)"); 69453c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69467ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp for (i=0; i < (ssize_t) image->colors; i++) 69477ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 69487ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69497ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " %d (%d,%d,%d,%d)", 69507ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (int) i, 69517ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (int) image->colormap[i].red, 69527ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (int) image->colormap[i].green, 69537ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (int) image->colormap[i].blue, 69547ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (int) image->colormap[i].opacity); 69557ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 69567ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 695783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 69587ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69597ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " image->colors=%d",(int) image->colors); 69607ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->colors <= 260) 69627ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 69637ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp /* Sometimes SetImageType(image,PaletteMatteType) 69647ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * loses the transparency. We work around this 69657ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * problem by usng a trial clone. After creating 69667ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * a colormap for it and copying the colormap to 69677ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp * image, we destroy the clone. 69687ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp */ 69697ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69707ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp ExceptionInfo 69717ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp *exception; 69727ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69736415f15992ee2bef5a691e83905671c1801ced7bglennrp PixelPacket 69743241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[300]; 69757ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69767ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp register const PixelPacket 69777ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp *q; 69787ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69797ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp register IndexPacket 69807ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp *indexes; 69817ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69827ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp exception=(&image->exception); 69833c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69847ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69853241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " Regenerate the colormap"); 69863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 69877ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp for (y=0; y < (ssize_t) image->rows; y++) 69887ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 69897ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp q=GetVirtualPixels(image,0,y,image->columns,1, 69907ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp exception); 69917ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69927ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp if (q == (PixelPacket *) NULL) 69937ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp break; 69947ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 69957ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp if (y == 0) 69967ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 69977ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp /* Initialize the colormap */ 69986415f15992ee2bef5a691e83905671c1801ced7bglennrp colormap[0]=*q; 69993241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70003241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->matte == MagickFalse) 70013241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[0].opacity = OpaqueOpacity; 70023241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70037ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp image_colors=1; 70047ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70057ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70067ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp for (x=0; x < (ssize_t) image->columns; x++) 70077ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70087ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp for (i=0; i<image_colors; i++) 70097ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70103241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (((image->matte == MagickFalse || 70113241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[i].opacity == q->opacity)) && 70123241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (IsColorEqual(colormap+i, (PixelPacket *) q))) 70137ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp break; 70147ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70157ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70167ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp if (i < image_colors) 70177ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70187ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp q++; 70197ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp continue; 70207ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70217ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image_colors++ == 300) 70237ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp break; 70247ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70256415f15992ee2bef5a691e83905671c1801ced7bglennrp colormap[i]=*q; 70263241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->matte == MagickFalse) 70283241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[i].opacity = OpaqueOpacity; 70297ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70307ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp q++; 70317ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70323241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70333241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (x < (ssize_t) image->columns) 70343241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp break; 70357ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70363c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70373c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70383241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image_colors >= 300) 70393241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " image has more than 300 colors"); 70413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp else 70433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70443241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " image has %d colors",(int)image_colors); 70457ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 70463241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image_colors <= 256) 70473241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 70483241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp PixelPacket 70493241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp opaque[256], 70503241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp semitransparent[256], 70513241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp transparent[256]; 70523c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 70533241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp int 70543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp n, 70553241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_opaque, 70563241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_semitransparent, 70573241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_transparent; 70583241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70593241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 70603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Initialize image colormap. 70613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 70623241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70633241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70643241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " Sort the new colormap"); 70653241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_opaque=0, 70673241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_semitransparent=0, 70683241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_transparent=0; 70693241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70703241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* Sort palette, transparent first */; 70713241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<image_colors; i++) 70723241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 70733241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (colormap[i].opacity == OpaqueOpacity) 70743241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp opaque[number_opaque++] = colormap[i]; 70753241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70763241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp else if (colormap[i].opacity == TransparentOpacity) 70773241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp transparent[number_transparent++] = colormap[i]; 70783241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70793241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp else 70803241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp semitransparent[number_semitransparent++] = 70813241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[i]; 70823241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 70833241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70843241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70853241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " number_transparent = %d", 70863241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_transparent); 70873241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70883241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70893241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " number_opaque = %d", 70903241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_opaque); 70913241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70923241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70933241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " number_semitransparent = %d", 70943241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp number_semitransparent); 70953241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70963241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp n = 0; 70973241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 70983241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<number_transparent; i++) 70993241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[n++] = transparent[i]; 71003241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71013241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<number_semitransparent; i++) 71023241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[n++] = semitransparent[i]; 71033241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71043241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<number_opaque; i++) 71053241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[n++] = opaque[i]; 71063241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71073241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<number_opaque; i++) 71083241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71093241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (IsColorEqual(colormap+i, 71103241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp &image->background_color)) 71113241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp break; 71123241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71133241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71143241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (n < 256 && i == number_opaque) 71153241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71163241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp colormap[n]=image->background_color; 71173241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp n++; 71183241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp image_colors++; 71193241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71203241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71213241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (n != image_colors) 71223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71233241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " image_colors (%d) and n (%d) don't match", 71243241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (int) image_colors, n); 71253241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71263241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp image->colors = image_colors; 71273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71283241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71297ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " AcquireImageColormap"); 71303241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71313241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (AcquireImageColormap(image,image_colors) == 71323241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp MagickFalse) 71337ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp ThrowWriterException(ResourceLimitError, 71347ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp "MemoryAllocationFailed"); 71353c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71363241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<image_colors; i++) 71373241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp image->colormap[i] = colormap[i]; 71387ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 71393241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp " Update the pixel indexes"); 71413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (y=0; y < (ssize_t) image->rows; y++) 71433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71443241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp q=GetAuthenticPixels(image,0,y,image->columns,1, 71453241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp exception); 71467ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 71473241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (q == (PixelPacket *) NULL) 71483241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp break; 71493c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71503241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp indexes=GetAuthenticIndexQueue(image); 71513c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71523241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (x=0; x < (ssize_t) image->columns; x++) 71533241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp for (i=0; i<image_colors; i++) 71553241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71563241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if ((image->matte == MagickFalse || 71573241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp image->colormap[i].opacity == q->opacity) && 71583241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (IsColorEqual(&image->colormap[i], 71593241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (PixelPacket *) q))) 71603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71613241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp indexes[x]=(IndexPacket) i; 71623241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp break; 71633241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71643241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71653241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp q++; 71663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71673241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 71683241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 71697ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp break; 71703241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 717183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 71723241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->matte != MagickFalse) 71733241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71743241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (((mng_info->write_png_colortype-1) == 71753241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp PNG_COLOR_TYPE_PALETTE) || 71763241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (mng_info->write_png_colortype == 0)) 71773241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SetImageType(image,PaletteMatteType); 71783241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71793241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp else 71803241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71813241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (((mng_info->write_png_colortype-1) == 71823241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp PNG_COLOR_TYPE_PALETTE) || 71833241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (mng_info->write_png_colortype == 0)) 71843241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp { 71853241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SetImageType(image,PaletteType); 71863241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 71873241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71883241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71897ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 71903241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp } 71913c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71923b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && image->colormap != NULL) 71933c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 71943c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71953c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " i (red,green,blue,opacity)"); 71963c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 71973c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp for (i=0; i < (ssize_t) image->colors; i++) 71983c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 71993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72007ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp " %d (%d,%d,%d,%d)", 72013c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (int) i, 72023c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (int) image->colormap[i].red, 72033c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (int) image->colormap[i].green, 72043c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (int) image->colormap[i].blue, 72053c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (int) image->colormap[i].opacity); 72063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 72073c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 72083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 72093c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72103c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Exit BUILD_PALETTE:"); 721183c2de583a59e41b57be8036d1cf7392c01d03d7glennrp } 72123c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp#endif /* PNG_BUILD_PALETTE */ 72133c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 72143c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 72153c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 72163c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 72173c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 72183c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_colors=image->colors; 72193c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 722083c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 72210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 72228eb57274a813fc3f2e2f96b166eb569f5e17aa26glennrp image_colors <= 256; 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,image, 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler,(void *) NULL, 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_malloc_ptr) png_IM_malloc,(png_free_ptr) png_IM_free); 72310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,image, 72343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGErrorHandler,PNGWarningHandler); 72350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 72390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 72410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) NULL; 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 72553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7262f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 72713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 72722b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 72733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 72772b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 72793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72802b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 72822b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 72834e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 72844e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 72852b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 72873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 72880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 72910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 72950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 72980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 73010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7305e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7307e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7309e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73118640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73138640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73158640fb5e9b1094f35f8beab436f81661b8a99448glennrp 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 73175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 7318dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->x_resolution != 0) && (image->y_resolution != 0) && 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 7324dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7325dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7329dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7330dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution/2.54); 7331dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution/2.54); 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7333dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7336dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7337dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution); 7338dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution); 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7340991d11dd9c33e65872778b81aff1347cd2878154glennrp 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7343dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 7344dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) image->x_resolution; 7345dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) image->y_resolution; 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7347991d11dd9c33e65872778b81aff1347cd2878154glennrp 7348991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7351a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 7352a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7354a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 7355a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 7356a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 7357a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 7358a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 7359a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 73600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7361a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 7362a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 73630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7364a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 7365a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 73660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7367a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 7368a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 73690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7370a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 7371a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 73720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7373a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 7374a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 73750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7376a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 7377a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 73780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 73790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 73813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 73823b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73833b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 73843b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 73853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 73863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 73873b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 73880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 73890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 73960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 739779f9995ecaa0e0daae607e9e88f257706730084dcristy if ((mng_info->write_png_colortype-1) == PNG_COLOR_TYPE_PALETTE) 739879f9995ecaa0e0daae607e9e88f257706730084dcristy mng_info->write_png8=MagickTrue; 73990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp QuantizeInfo 74030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp quantize_info; 74040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* TO DO: make this a function cause it's used twice, except 74060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 74070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 74095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 74105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 74130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((image->storage_class == DirectClass) || (number_colors > 256)) 74140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp GetQuantizeInfo(&quantize_info); 74160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp quantize_info.dither=IsPaletteImage(image,&image->exception) == 74170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp MagickFalse ? MagickTrue : MagickFalse; 74180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp quantize_info.number_colors= (matte != MagickFalse ? 255UL : 74190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 256UL); 74200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) QuantizeImage(&quantize_info,image); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors=image_colors; 74220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Colors quantized to %.20g",(double) number_colors); 74260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 74270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (matte) 74290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 74300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 74320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 74330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 74340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 74350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 74370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 74390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) number_colors, (int) image_colors); 74400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 74420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 74440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 74450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 74460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 74470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if MAGICKCORE_QUANTUM_DEPTH == 8 74490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 74503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 74510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %5ld (%5d,%5d,%5d)", 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 74530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 74562b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (matte) 74580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors++; 74600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar((Quantum) QuantumRange); 74610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar((Quantum) QuantumRange); 74620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar((Quantum) QuantumRange); 74630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 74642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp ping_have_PLTE=MagickTrue; 74660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image_depth=ping_bit_depth; 74670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=0; 74682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 74690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (matte) 74700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74712b013e4b9b602533eff410e61c3683fb2a3ab913glennrp ExceptionInfo 74720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp *exception; 74733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp int 74750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans_alpha[256]; 74765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 74770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 74780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 74790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 74800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 74813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 74830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans_alpha[i]=255; 74840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp exception=(&image->exception); 74860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 74880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp register const PixelPacket 74900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp *p; 74910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp p=GetVirtualPixels(image,0,y,image->columns,1,exception); 74930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (p == (PixelPacket *) NULL) 74950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 74960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 74970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (ssize_t) image->columns; x++) 74980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 74990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (p->opacity != OpaqueOpacity) 75005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp { 75010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans_alpha[(ssize_t) number_colors-1]=(png_byte) (255- 75020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleQuantumToChar(GetOpacityPixelComponent(p))); 75035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp } 75040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp p++; 75050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 75060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 75072b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 75080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 75090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (trans_alpha[i] != 255) 75100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=(unsigned short) (i+1); 75110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 75130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 75140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_have_tRNS==MagickFalse) 75160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=0; 75175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 75180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans != 0) 75190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 75200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i<256; i++) 75210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha[i]=(png_byte) trans_alpha[i]; 75223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickTrue; 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 75280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is the background color. 75290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 75300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 75310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 75320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 75330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_background.index=(png_byte) i; 75350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* TO DO: reduce to binary transparency */ 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 75410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png24) 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 75455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 75463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png32) 75493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 75515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 75570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 7561b905e45f528487c0e1c2a28b86b89f8ed86433a0cristy image_matte=MagickFalse; 75620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 75645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 75723c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 75730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) ((matte == MagickTrue)? 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 75760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(image_info->type == TrueColorType) 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(image_info->type == TrueColorMatteType) 75843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((image_info->type == UndefinedType || 75900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image_info->type == OptimizeType || 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type == GrayscaleType) && 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte == MagickFalse && ImageIsGray(image)) 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 75945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 75970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->type == UndefinedType || 75990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image_info->type == OptimizeType || 76003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type == GrayscaleMatteType) && 76013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte == MagickTrue && ImageIsGray(image)) 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 76050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 76063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 760926c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76108640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 761126c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 76125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 76130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 76140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 76150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 76160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 76170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 76180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte == MagickFalse && image->colors < 256) 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsMonochrome(image)) 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 76270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < (int)mng_info->write_png_depth) 76295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth = mng_info->write_png_depth; 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76338640fb5e9b1094f35f8beab436f81661b8a99448glennrp 76345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 763635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 76375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 76380f111984738842d27d04aed2a3f823d82a943506glennrp 76390f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 76400f111984738842d27d04aed2a3f823d82a943506glennrp { 76410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 76420f111984738842d27d04aed2a3f823d82a943506glennrp (void) ThrowMagickException(&image->exception, 76430f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 76440f111984738842d27d04aed2a3f823d82a943506glennrp "image has 0 colors", "`%s'",""); 76450f111984738842d27d04aed2a3f823d82a943506glennrp } 76460f111984738842d27d04aed2a3f823d82a943506glennrp 76473b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 76483b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76493b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " SyncImage.2."); 76500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 765135ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 76525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7657e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) image_colors); 76580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 76643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth=ping_bit_depth; 76665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < (int)mng_info->write_png_depth) 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth = mng_info->write_png_depth; 76690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth > 8) 76715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth = 8; 76720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth != (int) old_bit_depth) 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 76763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7677e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Colors increased to %.20g",(double) 7678f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image_colors); 76793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 76855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 76862b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7690e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 76910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7693e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 76940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7696e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 76970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 76993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 77008640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 77018640fb5e9b1094f35f8beab436f81661b8a99448glennrp 77028640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7703e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 770639992b4dd9b12ef752d55b8e402c069698851f72glennrp if (matte && (mng_info->IsPalette)) 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 77093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 77103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,0,image->columns,1,&image->exception); 77125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 77132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 7714bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 77153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 77173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 77183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 77190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7720bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsGray(p) == MagickFalse) 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine if there is any transparent color. 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 7734bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 77370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 77400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7741bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->opacity != OpaqueOpacity) 77443c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 77453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 77463c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 77473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (x >= 0) 77513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 77523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 775457e0d433937989b88ac2692fc2d9127bb1bbeafeglennrp if ((y == (ssize_t) image->rows) && (x < 0)) 77553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 77575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 77583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 77593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 77605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type&=0x03; 77613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 77643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask; 77673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask=0xffff; 77690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth == 8) 77713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask=0x00ff; 77720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth == 4) 77743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask=0x000f; 77750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth == 2) 77773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask=0x0003; 77780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth == 1) 77803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mask=0x0001; 77810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=(png_uint_16) 7783ce70c17bb6433add2eb069515a4f3105989e0662cristy (ScaleQuantumToShort(GetRedPixelComponent(p)) & mask); 77840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=(png_uint_16) 7786ce70c17bb6433add2eb069515a4f3105989e0662cristy (ScaleQuantumToShort(GetGreenPixelComponent(p)) & mask); 77870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=(png_uint_16) 7789ce70c17bb6433add2eb069515a4f3105989e0662cristy (ScaleQuantumToShort(GetBluePixelComponent(p)) & mask); 77900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) 77923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (ScaleQuantumToShort(PixelIntensityToQuantum(p)) & mask); 77930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.index=(png_byte) 779546f08209f719f4adeea742c45873c2714e80cdb9cristy (ScaleQuantumToChar((Quantum) (GetAlphaPixelComponent(p)))); 77960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7797991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 77983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78002e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 78013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 78033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine if there is one and only one transparent color 78043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy and if so if it is fully transparent. 78053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 7806bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 78073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1, 78093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 78103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 78110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 78133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 78140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7815bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 78163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->opacity != OpaqueOpacity) 78183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (IsPNGColorEqual(ping_trans_color,*p) == 0) 78200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 78210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; /* Can't use RGB + tRNS for multiple 78220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent colors. */ 78230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 78240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->opacity != (Quantum) TransparentOpacity) 78260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 78270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; /* Can't use RGB + tRNS for 78280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp semitransparency. */ 78290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 78303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78322b013e4b9b602533eff410e61c3683fb2a3ab913glennrp else 78333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (IsPNGColorEqual(ping_trans_color,*p)) 78353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; /* Can't use RGB + tRNS when another pixel 78363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy having the same RGB samples is 78373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent. */ 78383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78392b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78402b013e4b9b602533eff410e61c3683fb2a3ab913glennrp p++; 78413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78422b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 7843217484eb7236f4f3527af0feb39a6dc19a3302fecristy if (x >= 0) 78443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 78453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78473c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7848217484eb7236f4f3527af0feb39a6dc19a3302fecristy if (x >= 0) 78492e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp ping_have_tRNS = MagickFalse; 78503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 78522e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 78533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 78550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 78573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 78595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 78605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 78615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 78623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78658640fb5e9b1094f35f8beab436f81661b8a99448glennrp 78663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 78670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78682e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 78693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 78700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 787139992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 78723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 78733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageIsGray(image) && (!image_matte || image_depth >= 8)) 78743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 787535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 78760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 78789c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 78790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 78813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 78833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 78845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 78853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 78860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 78883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 78890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_colors == 0 || image_colors-1 > MaxColormapSize) 789135ef824baa82511126ff0072ae30eee0da9c05a3cristy image_colors=one << image_depth; 78920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 78945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 78950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 78973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 78995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 79003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 79023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 79040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 790535ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 7906bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 79075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 79083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79102b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 79120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 79133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 79143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 79173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 79183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 79193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 79203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 79213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 79233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 79263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 79283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 79303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 79310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 79333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 79340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 79363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 79373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 79409c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 79410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 79439c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 79440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 79469c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 79473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 79513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 79563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 795717a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 795817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 79593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 79603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 79623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 79633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 79645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 79650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_write_global_plte && !matte) 79673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79689c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 79690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79703b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 79719c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79729c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 79733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 79763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7977bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 79783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 79803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 79813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 79823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79843b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 79853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 798698156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 798798156a3a465a004545e39434c63052b955a74d1cglennrp (int) number_colors); 79880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 798939992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 79903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 79933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (!mng_info->write_png_depth) 79943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7995befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 7996befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 7997befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 79985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 7999befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 80000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8001befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy while ((one << ping_bit_depth) < number_colors) 80025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 80033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 80060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (matte) 80080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ExceptionInfo 80100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp *exception; 80113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp register const PixelPacket 80130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp *p; 80143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp int 80160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans[256]; 80173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp register const IndexPacket 80190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp *packet_indexes; 80200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 80220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 80230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 80240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 80253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8026bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 80270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans[i]=256; 80280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp exception=(&image->exception); 80300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 80323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp p=GetVirtualPixels(image,0,y,image->columns,1,exception); 80340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (p == (const PixelPacket *) NULL) 80360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 80370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp packet_indexes=GetVirtualIndexQueue(image); 80390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (ssize_t) image->columns; x++) 80410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (p->opacity != OpaqueOpacity) 80430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp IndexPacket 80450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp packet_index; 80460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp packet_index=packet_indexes[x]; 80480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if((size_t) packet_index >= number_colors) 80500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent, GetMagickModule(), 80510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp "packet_index=%d, number_colors=%d", 80520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) packet_index, (int) number_colors); 80530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert((size_t) packet_index < number_colors); 80550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (trans[(ssize_t) packet_index] != 256) 80570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8058acfcbf3ea29bbb00eec23735e5b1cb247513bb6cglennrp if (trans[(ssize_t) packet_index] != 8059acfcbf3ea29bbb00eec23735e5b1cb247513bb6cglennrp (png_byte) (255- 80600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleQuantumToChar(GetOpacityPixelComponent(p)))) 80610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) 80630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_RGB_ALPHA; 80640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 80650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans[(ssize_t) packet_index]=(png_byte) (255- 80690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleQuantumToChar(GetOpacityPixelComponent(p))); 8070acfcbf3ea29bbb00eec23735e5b1cb247513bb6cglennrp 8071acfcbf3ea29bbb00eec23735e5b1cb247513bb6cglennrp ping_have_tRNS=MagickTrue; 80720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80732b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp p++; 80750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 80780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=0; 80800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 80810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_PLTE=MagickFalse; 80820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=MagickFalse; 80830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 80840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 80860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent, GetMagickModule(), 80870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Cannot write image as indexed PNG, writing RGBA."); 80882b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 80890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 80900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_have_tRNS != MagickFalse) 80949c1eb0729653219b9da9037e044501a6dce79d10glennrp { 80959c1eb0729653219b9da9037e044501a6dce79d10glennrp for (i=0; i < (ssize_t) number_colors; i++) 80960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (trans[i] == 256) 80980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp trans[i]=255; 80990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (trans[i] != 255) 81010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=(unsigned short) (i+1); 81020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81039c1eb0729653219b9da9037e044501a6dce79d10glennrp } 81043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 81060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 81070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_have_tRNS == MagickFalse) 81090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans=0; 81100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans != 0) 81120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 81140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha[i]=(png_byte) trans[i]; 81150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 81173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 81213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 81233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 81240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 81263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 81285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 81295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 81305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 81313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 81353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 81363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 81375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 81383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 81393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 81413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 81423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 814335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 814435ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 814535ef824baa82511126ff0072ae30eee0da9c05a3cristy 814622ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 81473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8149a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.gray=(png_uint_16) 81503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (QuantumScale*(maxval*(PixelIntensity(&image->background_color)))); 81513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81543c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Setting up bKGD chunk (2)"); 81553b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 8156991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 81573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) (QuantumScale*(maxval* 81595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray)); 81603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 816117a1485544c62993fc7a94e343c87fed5f3e6407glennrp 816217a1485544c62993fc7a94e343c87fed5f3e6407glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 816317a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 816417a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 816517a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 816617a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 816717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 816817a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 816917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8170a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 8171a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 817217a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 817317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 817417a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 817517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 81763c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp if (i == (ssize_t) number_colors) 81773c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 81783c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp if (i < 255) 81793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 81803c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors++; 81813c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_colors++; 81823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 81833c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 81843c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 81853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 81860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 81890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8190a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 819113d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 8192a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 81930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 81943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 81953b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 81960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 81970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 81990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 82000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 82010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 82020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8203a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 820417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8205a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp else 82063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 82073b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 82083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82093b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 82103c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 82113c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 821217a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 821317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 82143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 82173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 82183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 82193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 82203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 82220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 82240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 82270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 82280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 82300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 82340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_mem_level(ping, 9); 82360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 82383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 82390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quality > 9) 82413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 82433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 82443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8245bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 82460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression level: %d",level); 82500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_level(ping,level); 82523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression strategy: Z_HUFFMAN_ONLY"); 82590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_strategy(ping, Z_HUFFMAN_ONLY); 82613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up filtering"); 82663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82672b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 82683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* This became available in libpng-1.0.9. Output must be a MNG. */ 82693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && ((quality % 10) == 7)) 82703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: PNG_INTRAPIXEL_DIFFERENCING"); 82740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 82763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 82803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: 0"); 82823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 82832b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 82843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 82863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter; 82873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((quality % 10) > 5) 82898640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 82900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82918640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 82928640fb5e9b1094f35f8beab436f81661b8a99448glennrp if ((quality % 10) != 5) 82933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter=(int) quality % 10; 82940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82958640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 82968640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 82975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 82983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (quality < 50)) 82998640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_NO_FILTERS; 83000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83018640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 83028640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 83030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (base_filter == PNG_ALL_FILTERS) 83073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: ADAPTIVE"); 83093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 83103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: NONE"); 83123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,base_filter); 83153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 83183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 83193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 83212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (StringInfo *) NULL) 83233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 83253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((LocaleCompare(name,"ICC") == 0) || 83263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (LocaleCompare(name,"ICM") == 0)) 83270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_iCCP(ping,ping_info,(const png_charp) name,0,(png_charp) 83293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetStringInfoDatum(profile), 83303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_uint_32) GetStringInfoLength(profile)); 83310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 83333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 83343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_raw_profile(image_info,ping,ping_info,(unsigned char *) 83353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name,(unsigned char *) name,GetStringInfoDatum(profile), 83363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (png_uint_32) GetStringInfoLength(profile)); 83373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83382b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up text chunk with %s profile",name); 83420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 83443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 83473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 83483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 83493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 83503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 83523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image rendering intent. 83533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 83543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up sRGB chunk"); 83570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8358e610a071534e448c46460a5aa39ede33bf56b329glennrp (void) png_set_sRGB(ping,ping_info,( 8359e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 8360e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent))); 83610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,0.45455); 83633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 83653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 83663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 83683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 83703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 83713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 83723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 83733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 83763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 83773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 83783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83792b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_chrm == 0) && 83813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 83823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 83843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image chromaticity. 83853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 83863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 83873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 83883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bp, 83893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy gp, 83903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rp, 83913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy wp; 83923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy wp=image->chromaticity.white_point; 83943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rp=image->chromaticity.red_primary; 83953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy gp=image->chromaticity.green_primary; 83963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bp=image->chromaticity.blue_primary; 83973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up cHRM chunk"); 84013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 84023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 84033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bp.x,bp.y); 84043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8406dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 84075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 84083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 84103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 84113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Bail out if cannot meet defined PNG:bit-depth or PNG:color-type */ 84133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 84153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 84173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 84183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 84202b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 84215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 84225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 84233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 84263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 84275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 84283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->write_png_depth && 84315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 84323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 84335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 8434991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 84355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0)))) 84363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 84403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth=%u, Computed depth=%u", 84433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 84445af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 84453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 84473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type=%u, Computed color type=%u", 84503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 84515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 84523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84543bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 84553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Cannot write image with defined PNG:bit-depth or PNG:color-type."); 84563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84588640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (image_matte && !image->matte) 84593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 84613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 84623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageOpacity(image,0); 84630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8464b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 8465b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8466b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 84673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8469991d11dd9c33e65872778b81aff1347cd2878154glennrp if (image->matte == MagickTrue) 8470e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 8471991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 8472991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type != 3 || ping_num_trans > 0) 8473991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 8474e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 8475e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 84763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 84793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 84815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 84825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 84835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 84845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 848539992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 848639992b4dd9b12ef752d55b8e402c069698851f72glennrp { 848739992b4dd9b12ef752d55b8e402c069698851f72glennrp png_set_PLTE(ping,ping_info,palette,(int) number_colors); 84880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84893b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 849039992b4dd9b12ef752d55b8e402c069698851f72glennrp { 84918640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 84920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 84930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans != 0) 84940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " PLTE[%d] + tRNS[%d] =(%d,%d,%d,%d)", 84960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i,(int) i, 84970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 84980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 84990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 85000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 85010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 85020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " PLTE[%d] =(%d,%d,%d)", 85040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 85050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 85060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 85070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 85080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 850939992b4dd9b12ef752d55b8e402c069698851f72glennrp } 851039992b4dd9b12ef752d55b8e402c069698851f72glennrp } 851139992b4dd9b12ef752d55b8e402c069698851f72glennrp 8512991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_have_bKGD != MagickFalse) 8513991d11dd9c33e65872778b81aff1347cd2878154glennrp png_set_bKGD(ping,ping_info,&ping_background); 8514991d11dd9c33e65872778b81aff1347cd2878154glennrp 8515dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp if (ping_have_pHYs != MagickFalse) 8516dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 8517dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_set_pHYs(ping,ping_info, 8518dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 8519dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution, 8520dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type); 8521dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8522dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8523dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 8524dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp if (image->page.x || image->page.y) 8525dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 8526dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 8527dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (png_int_32) image->page.y, 0); 8528dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8529dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp if (logging != MagickFalse) 8530dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8531dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 8532dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (int) image->page.x, (int) image->page.y); 8533dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8534dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 8535dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 85363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 8537991d11dd9c33e65872778b81aff1347cd2878154glennrp 853839992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 8539991d11dd9c33e65872778b81aff1347cd2878154glennrp { 85403b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 85410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 85440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8545991d11dd9c33e65872778b81aff1347cd2878154glennrp 85460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 85470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 85480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 85490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 85500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 8551991d11dd9c33e65872778b81aff1347cd2878154glennrp 85520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 85530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 85550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 85560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 85570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 85580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85593b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 85600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 85630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 85640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 85650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 85660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 85670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 85680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8569991d11dd9c33e65872778b81aff1347cd2878154glennrp 85703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 85713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_write_chunk_from_profile(image,"PNG-chunk-b",(int) logging); 85723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 8573991d11dd9c33e65872778b81aff1347cd2878154glennrp 85743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 85753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_write_chunk_from_profile(image,"PNG-chunk-m",(int) logging); 85763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width || image->page.height) 85783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85799c1eb0729653219b9da9037e044501a6dce79d10glennrp unsigned char 85809c1eb0729653219b9da9037e044501a6dce79d10glennrp chunk[14]; 85819c1eb0729653219b9da9037e044501a6dce79d10glennrp 85829c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 85839c1eb0729653219b9da9037e044501a6dce79d10glennrp PNGType(chunk,mng_vpAg); 85849c1eb0729653219b9da9037e044501a6dce79d10glennrp LogPNGChunk((int) logging,mng_vpAg,9L); 85859c1eb0729653219b9da9037e044501a6dce79d10glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 85869c1eb0729653219b9da9037e044501a6dce79d10glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 85879c1eb0729653219b9da9037e044501a6dce79d10glennrp chunk[12]=0; /* unit = pixels */ 85889c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) WriteBlob(image,13,chunk); 85899c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 85903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 85939c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 85943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 85959c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 85963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 85973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 85983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 86003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 86023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 8604b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 8605b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 86067202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 86073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8608b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 86093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 8610b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8612b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 8613b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 8614b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8616b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 86173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 8618b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8620b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 8621b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 86223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86233b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 86243b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 86253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8626b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8627b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 86280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8629b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8630e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 86313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 86333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*png_pixels)); 86340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels == (unsigned char *) NULL) 86363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 86370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 86403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 86423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 86453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 86473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 86483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 86493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 86513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 86523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 86533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_pixels != (unsigned char *) NULL) 86543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 86553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 8656f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 86573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 86593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8660ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 8661ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 8662ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 86633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 86643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 86653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 86663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 86673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 866839992b4dd9b12ef752d55b8e402c069698851f72glennrp (mng_info->IsPalette || 86693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 86703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !image_matte && ImageIsMonochrome(image)) 86713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 86733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 86740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 86763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 86773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 86803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 86823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8683a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 86843241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (logging != MagickFalse) 86853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 8687a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 86883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 86890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 86913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 86920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 86943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 86963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 86973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 86983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 86993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 87003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 8702bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) (*(png_pixels+i) 87043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 87053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RedQuantum,png_pixels,&image->exception); 87123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 8715bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 87163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(png_pixels+i)=(unsigned char) ((*(png_pixels+i) > 127) ? 87173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 87180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87193b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8720b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8721b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 87220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 87243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 87263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 87283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 87293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 87363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 87383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 87393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 87413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 87423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_matte || 87435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 874439992b4dd9b12ef752d55b8e402c069698851f72glennrp (mng_info->IsPalette) && ImageIsGray(image)) 87453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8746bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 87473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 87490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 87513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 87543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 87563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 87580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RedQuantum,png_pixels,&image->exception); 87620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87633b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8764b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8765b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing GRAY PNG pixels (2)"); 87663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 87693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87703b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8771b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8772b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing GRAY_ALPHA PNG pixels (2)"); 87730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 87753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayAlphaQuantum,png_pixels,&image->exception); 87763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87773b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 87783b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8779b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8780b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (2)"); 87810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 87833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 87863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 87883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 87893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 87903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 87943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 8) || (mng_info->write_png24 || 87963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32 || 87973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_png8 && !mng_info->IsPalette))) 8798bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 87993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 88010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 88033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 88040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88055af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 88083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RedQuantum,png_pixels,&image->exception); 88100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 88143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 8817b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 8818b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8819b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp quantum_info,GrayAlphaQuantum,png_pixels,&image->exception); 88200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88213b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8822b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8823b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing GRAY_ALPHA PNG pixels (3)"); 8824b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 88250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image_matte != MagickFalse) 88273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RGBAQuantum,png_pixels,&image->exception); 88290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,RGBQuantum,png_pixels,&image->exception); 88330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88343b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8835b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8836b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (3)"); 88370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 88393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* not ((image_depth > 8) || (mng_info->write_png24 || 88433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32 || 88443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_png8 && !mng_info->IsPalette))) */ 88453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 88475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 88483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88493b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 88503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 88520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 88543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 88553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 88573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88583b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 88593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 88610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 88630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 88653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 88660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 88683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,GrayQuantum,png_pixels,&image->exception); 88700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 8872b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 88733b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 8874b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8875b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing GRAY_ALPHA PNG pixels (4)"); 88760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8877b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 8878b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp quantum_info,GrayAlphaQuantum,png_pixels,&image->exception); 8879b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 88800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 88823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 88833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info,IndexQuantum,png_pixels,&image->exception); 88840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y <= 2) 88868640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 88878640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88888640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Writing row of pixels (4)"); 88890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88908640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88918640fb5e9b1094f35f8beab436f81661b8a99448glennrp " png_pixels[0]=%d,png_pixels[1]=%d", 88928640fb5e9b1094f35f8beab436f81661b8a99448glennrp (int)png_pixels[0],(int)png_pixels[1]); 88938640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 88943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_row(ping,png_pixels); 88953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 88983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 89003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 89013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 89023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8905b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 8906b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 89073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8911b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 89120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8914e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 89150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8917e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 89180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 89203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth: %d",mng_info->write_png_depth); 89233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 89270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 89293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type: %d",mng_info->write_png_colortype-1); 89323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 89360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 89393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Generate text chunks. 89423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImagePropertyIterator(image); 89443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy property=GetNextImageProperty(image); 89453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (property != (const char *) NULL) 89463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 89483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 89493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(image,property); 89513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (const char *) NULL) 89523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 89543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(char *) property; 89553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(char *) value; 89563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=strlen(value); 89573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 89583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 89593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 89600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up text chunk"); 89650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " keyword: %s",text[0].key); 89683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 89713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 89723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy property=GetNextImageProperty(image); 89743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 89773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_write_chunk_from_profile(image,"PNG-chunk-e",(int) logging); 89783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 89820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 89840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 89863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 89885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 89895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 89903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 89923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 89933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 89963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 89983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 89993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_FRAM,27L); 90003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 90013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 90023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 90033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 90043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 90053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 90063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 90073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 90083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 90093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 90105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 90113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 90123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 90135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 90143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 90153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 90163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 90173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 90183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 90213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 90223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 90253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 90263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 90273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 90280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=save_image_depth; 90303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save depth actually written */ 90323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp s[0]=(char) ping_bit_depth; 90343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[1]='\0'; 90353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProperty(image,"png:bit-depth-written",s); 90373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 90403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 90423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_pixels=(unsigned char *) RelinquishMagickMemory(png_pixels); 90453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9047f84a193d5f435588cd78d521fff3f1f852e227f8cristy UnlockSemaphoreInfo(png_semaphore); 90483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 90530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 90553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 90563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 90573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 90593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 90603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 90643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 90673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 90683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 90703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 90773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 90793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 90813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 90833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 90853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 90873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 90893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 90903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pseudo-formats which are subsets of PNG: 90913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 90923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG8: An 8-bit indexed PNG datastream is written. If transparency 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 90943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 90953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent). The pixels contain 8-bit indices even if 90963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% they could be represented with 1, 2, or 4 bits. Note: grayscale 90973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 90983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG grayscale type might be slightly more efficient. 90993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 91013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 91023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% one of the colors as transparent. 91033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 91053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 91063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 91070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 91083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 91103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 9112bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 9113bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 9114bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 91153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 91193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 91203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 91223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 91233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 91253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 91263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 91283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 91303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 91313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% If the image cannot be written without loss in the requested PNG8, PNG24, 91333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or PNG32 format or with the requested bit-depth and color-type without loss, 91343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% a PNG file will not be written, and the encoder will return MagickFalse. 91353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 91363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 91373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 91383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency prior to attempting to write the image in a format that 91393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is subject to depth, color, or transparency limitations. 91403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% TODO: Enforce the previous paragraph. 91423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 91443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 91453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 91463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 91493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 91503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 91513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 91533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 91553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 9156bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 9157bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 91583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 91603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 91613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 9162bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 91633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9164bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 91653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 91663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 91670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 9168d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 91690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 91700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 91710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 91723241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% transparent color first, if PNG_BUILD_PALETTE is defined. 91730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 9174d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 9175d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 9176d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% requested via the "-define PNG:bit-depth=N" option. 9177d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 9178d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 9179d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 9180d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 91810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 91823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 91833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 91843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 91853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image *image) 91863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 91873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 91883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 91893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 91913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 91923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 91943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 91953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 91973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 91983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 92003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 92013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 92043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 92063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 92073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 92083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 92093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 92103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WritePNGImage()"); 92113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 92123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 92133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 92143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 92163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 921873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 92190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 92213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 92220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 92253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 92273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 9228a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 92293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 92303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 92323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 92343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 92353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 92363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 92383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92399c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 92409c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92419c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 92423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 92453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92469c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 92479c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92489c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 92490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92509c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 92519c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 92520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92539c1eb0729653219b9da9037e044501a6dce79d10glennrp else 92549c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 92550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92569c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 92573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 92603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92619c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 92629c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92639c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 92640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92659c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 92669c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 92670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92689c1eb0729653219b9da9037e044501a6dce79d10glennrp else 92699c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 92700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92719c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 92723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 92753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 92763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 92789c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 92790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 92819c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 92820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 92849c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 92850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 92879c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 92880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 92909c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 92910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9292bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9293bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9294bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9295bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 9296bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9297bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 92983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 92999c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9300bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 93013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 93040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 93083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 93099c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 93100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 93129c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 93130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 93159c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 93160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 93189c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 93190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 93219c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 93220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9323bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9324bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9325bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9326bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 9327bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9328bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93309c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 933139992b4dd9b12ef752d55b8e402c069698851f72glennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype); 93323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 93353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 93373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 93390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 93420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 93453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 93493ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 93503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 93513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 93523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 93533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 93543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 93563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 93603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 93623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 93633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 93653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 93663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 93673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 93683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 93703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 93713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 93723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 93733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 93743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 93753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9376bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 93783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " enter WriteOneJNGImage()"); 93813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 93833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 93843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 93853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 93883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type==TrueColorMatteType; 93893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=10; 93903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=0; 93913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality; 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* if any pixels are transparent */ 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=MagickTrue; 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression==JPEGCompression) 93993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=8; 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 94033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 94050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 94073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info for opacity."); 94100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 94120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 94143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 94150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 94190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 94210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 94240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 94263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SeparateImageChannel(jpeg_image,OpacityChannel); 94273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=NegateImage(jpeg_image,MagickFalse); 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 94290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_quality >= 1000) 94313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality/1000; 94320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality; 94350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 94373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(jpeg_image,GrayscaleType); 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent, 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 94443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 94463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 94473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy TrueColorType && ImageIsGray(image)) 94483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 94493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 94513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 94533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 94563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale PNG blob */ 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 94603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 94643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 94663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 94673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 94703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 94713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 94733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(jpeg_image,"png:bit-depth-written"); 94743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 94753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 94763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale JPEG blob */ 94803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 94823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 94833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 94853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 94873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 9491f2faecf9facdbbb14fcba373365f9f691a9658e0cristy &image->exception); 94923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 94930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9496e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 9497e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 94983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 95013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 95023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 95033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 95043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 95073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 95083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 95093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_JHDR,16L); 95104e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 95114e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 95123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 95133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 95143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 95153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 95163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 95173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 95183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 95193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 95203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 95213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 95223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 95233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9525f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 95260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9528f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 95290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 95320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 95350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 95380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 95410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 95440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 95470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 95500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 95533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 95563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_write_chunk_from_profile(image,"JNG-chunk-b",(int) logging); 95573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 95603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 95633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 95663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 95693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 95703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 95713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 95723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9573bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 95743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 95753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 95773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 95783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 9580bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 95813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 9582bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy LogPNGChunk((int) logging,mng_bKGD,(size_t) (num_bytes-4L)); 95833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 95843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 95853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 95863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 95873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 95883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 95893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 95903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 95913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 95923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 95933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 95943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 95973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 96003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 96023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 96033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_sRGB,1L); 96040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 9606e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 9607e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 9608e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 96090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 9611e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 9612e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 9613e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 96140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 96163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 96173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 96213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 96243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 96263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 96273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_gAMA,4L); 962835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 96303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 96313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 96343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 96373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 96383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 96413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 96433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_cHRM,32L); 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 964635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 964735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 96483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 964935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 965035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 96513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 965235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 965335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 96543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 965535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 965635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 96573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 96593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && !mng_info->equal_physs) 96633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 96663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 96683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 96693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_pHYs,9L); 96703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 96713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 967235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 96733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 96740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 967535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 96763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 96770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 96793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 96843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 968535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 96863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 96870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 968835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 96893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 96900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 96923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 96953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 969635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 969735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 96983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 96993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 97023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 97033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 97063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 97093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 97103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 97113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 97123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_oFFs,9L); 9713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 9714bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 97153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 97163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 97173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 97183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 97203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 97223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 97233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_vpAg,9L); 97243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 97253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 97263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 97273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 97283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 97293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 97333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9736bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 97373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9739bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 97403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 97413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 97433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9745e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 9746f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 97473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 97493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 97503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 9751bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 97523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 97543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 97550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 97573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 9759bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 9760bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy LogPNGChunk((int) logging,mng_IDAT,(size_t) len); 97613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 97623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 97633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 97643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 97673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9770e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 9771e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 97723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 97743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 97773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 97793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9781e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 9782bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 97843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_JDAA,length); 97853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 97863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 97873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 97883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 97923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 97953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 97983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 97993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 98053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 98083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 98093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 98103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 98123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent,"%s", 98133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 98143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 98173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9820e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 9821e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 98243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 98250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality % 1000; 98273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 98283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 98290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 98330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,&image->exception); 98350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9839e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 9840e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 98413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9843e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 98443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 9847bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 98483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 98493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_JDAT,length); 98503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 98513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 98523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 98533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 98553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 98563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 98573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 98583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 98603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_write_chunk_from_profile(image,"JNG-chunk-e",(int) logging); 98613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 98633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 98643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 98653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_IEND,0); 98663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 98683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 98720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 98743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 98753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 98783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 98793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 98933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 98953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 98993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 99053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 99063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 99073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 99083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 99103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 99113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure; 99143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 99163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging; 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 99203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 99223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 99233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 99243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteJNGImage()"); 99273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 99283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 99293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 99303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 99333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 993573bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 99373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 99403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,image_info,image); 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 99553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 99563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 99673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure, 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 99793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 99853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging, 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9990bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 99913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 99923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 99953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 99993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10000bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 100013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 100023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10003bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 100043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 100053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10007d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 100083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 100113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 100153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 100203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter WriteMNGImage()"); 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 100243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 100253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 100283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1003073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 100323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 100353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 100383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 100393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 100403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 100433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 100443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 100473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 100483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 100493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 100503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 100533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 100593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 100613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 100623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 100683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 100710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10073e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 100740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 100773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 100793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10082e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 100830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10085e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 100860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 100883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 100900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 100940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 100963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 100980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 101020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 101043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10105e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 101060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 101083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 101100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 101133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 101173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 101183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 101193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 101213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 101223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 101253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 101273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 101333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 101343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 101393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 101423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 101433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 101443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 101453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 101473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 101483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 101493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 101503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 101523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 101543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 101553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 101573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 101583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 101593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 101603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 101613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 101623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 101633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 101643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 101653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 101663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 101673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 101723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 101730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 101763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 101793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 101800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 101823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 101830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 101853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 101863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 101883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 101890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 101920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 101940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 101963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 101973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 101980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 102003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 102033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 102060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 102083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 102113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 102143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 102153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 102173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 102183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 102203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 102213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 102233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 102243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 102253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 102260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 102283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 102290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 102313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 102323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 102330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 102353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->x_resolution != next_image->next->x_resolution) || 102363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->y_resolution != next_image->next->y_resolution)) 102373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 102380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 102403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 102423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 102433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 102453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 102473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 102483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 102493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 102503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 102513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 102523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 102533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 102543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 102553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 102613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 102623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 102643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 102663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 102683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 102703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 102713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 102723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 102743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 102753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 102783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 102823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 102843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 102863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 102893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102900261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 10291d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 10292d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 10293d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp (void) ThrowMagickException(&image->exception, 10294d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp GetMagickModule(),CoderWarning, 10295d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 10296d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 10297d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 103013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 103034e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->ticks_per_second=(png_uint_32) (image->ticks_per_second/final_delay); 103043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 103053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 103060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 103083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 103090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 103113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 103120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 103143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 103153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 103163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 103173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 103183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 103213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 103223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 103263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 103293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 103313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 103323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 103333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_MHDR,28L); 103344e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 103354e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 103363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 103373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 103383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 103393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 103403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 103413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 103433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 103453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 103460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 103493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 103543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 103550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 103583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 103643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 103663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 103670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 103703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 103753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 103760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 103793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 103823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 103833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 103843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 103853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 103873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 103883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 103913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 103933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 10394bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 10395bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy LogPNGChunk((int) logging,mng_nEED,(size_t) length); 103963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 103973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 103983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 103993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 104013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 104023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 104033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 104063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 104083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 104093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_TERM,10L); 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 104113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 104140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 104163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 104170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 104200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10424e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 10425e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 104260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 104283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10429e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 104300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10433e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 104343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 104363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 104373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 104403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 104423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 104433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 104463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 104483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 104493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_sRGB,1L); 104500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10452e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10453e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10454e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 104550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10457e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10458e610a071534e448c46460a5aa39ede33bf56b329glennrp PNG_RenderingIntent_from_Magick_RenderingIntent( 10459e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 104600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 104623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 104633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 104643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 104693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 104723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 104753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_gAMA,4L); 1047635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 104773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 104803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 104823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 104843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 104853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 104883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 104913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_cHRM,32L); 104923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1049335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1049435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 104953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1049635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1049735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 104983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1049935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1050035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 105013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1050235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1050335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 105043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 105053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 105063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 105073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && mng_info->equal_physs) 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 105153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 105163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_pHYs,9L); 105170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 105193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1052035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 105220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1052335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 105250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 105323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1053335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 105343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 105350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1053635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 105380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1054435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1054535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 105503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 105583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 105603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 105613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_BACK,6L); 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 105733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 105743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 105763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_bKGD,6L); 105783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 105793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 105853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10588bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 105953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 105963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_PLTE,data_length); 105980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 106003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red) & 0xff; 106023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green) & 0xff; 106033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue) & 0xff; 106043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 106083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 106093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 106143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 106193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 106233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 106313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 106383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 106443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 106453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 106483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_PLTE,data_length); 106500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10651bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 106523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 106543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 106553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 106563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 106593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 106603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 106613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 106623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 106653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 106663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 106683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 106693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10670bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 106713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 106723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 106733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 106753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 106773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 106783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 106803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 106823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 106833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 106853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 106863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 106873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 106893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 106903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_DEFI,12L); 106913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 106923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 106933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 106943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 106953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 106963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 106973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 106983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 106993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 107043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 107063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 107093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 107103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 107113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 107183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_FRAM,1L); 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 107213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 107303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_FRAM,10L); 107323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 107353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 107363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 107434e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 107443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 107523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,write_info,image); 107613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 107623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 107803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 107833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 107840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 107870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 107890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 107933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 107983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy LogPNGChunk((int) logging,mng_MEND,0L); 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 108073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 108080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 108110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10814d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1081539992b4dd9b12ef752d55b8e402c069698851f72glennrp 108163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=image; 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 108210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1082539992b4dd9b12ef752d55b8e402c069698851f72glennrp 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10830d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10832