png.c revision cb395ac9c5c50c2829a9988f95fd8aea7af82c00
13ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 23ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 33ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 43ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 53ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PPPP N N GGGG % 73ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P P NN N G % 83ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PPPP N N N G GG % 93ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P N NN G G % 103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% P N N GGG % 113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Read/Write Portable Network Graphics Image Format % 143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Software Design % 163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% John Cristy % 173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Glenn Randers-Pehrson % 183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 1997 % 193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 217e41fe84a841d7b9d7b36b245b65e9dcb3314943cristy% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % 223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% dedicated to making software imaging solutions freely available. % 233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% You may not use this file except in compliance with the License. You may % 253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% obtain a copy of the License at % 263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% http://www.imagemagick.org/script/license.php % 283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Unless required by applicable law or agreed to in writing, software % 303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% distributed under the License is distributed on an "AS IS" BASIS, % 313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% See the License for the specific language governing permissions and % 333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% limitations under the License. % 343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Include declarations. 433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/studio.h" 455c7cf4e469a4dad7e277783749155932252c52dfglennrp#include "magick/artifact.h" 465a2ca481ab4ff6751bba842263739966e53441aacristy#include "magick/attribute.h" 473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob.h" 483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/blob-private.h" 493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/cache.h" 503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color.h" 513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/color-private.h" 524ccd4c0b8623aa47f1c10dd366666799e5957c3ccristy#include "magick/colormap.h" 533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/colorspace.h" 543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/constitute.h" 553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/enhance.h" 563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception.h" 573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/exception-private.h" 583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/geometry.h" 59f2e1166e90de2dfe2e6a2aed7cd5f73640f34a7acristy#include "magick/histogram.h" 603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image.h" 613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/image-private.h" 623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/layer.h" 633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/list.h" 643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/log.h" 653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/magick.h" 663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/memory_.h" 673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/module.h" 683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor.h" 693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/monitor-private.h" 703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/option.h" 713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/profile.h" 733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/property.h" 743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/resource_.h" 753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/semaphore.h" 763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/quantum-private.h" 773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/static.h" 783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/statistic.h" 793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/string_.h" 80f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy#include "magick/string-private.h" 813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/transform.h" 823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "magick/utility.h" 833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 84286a6355c4544b794da2b6df973faad07c69e541glennrp 857ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 867ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 87faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 887ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 90991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 91faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 92faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 93faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 948371ecc013ff231ce380d8717e517312e62e1f01glennrp/* #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 */ 1153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (((color).red == (target).red) && \ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).green == (target).green) && \ 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((color).blue == (target).blue)) 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 1273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 1283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 1293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef SETJMP_IS_THREAD_SAFE 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_SETJMP_NOT_THREAD_SAFE 1323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 136cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_semaphore = (SemaphoreInfo *) NULL; 1373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 1413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 1423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 1433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 1453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 1483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 1493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 1503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 1513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 1533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 1563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 1573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 1583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 1593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 1603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 1613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 1623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 1643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 1653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 1663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 1683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 1693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 1703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 173bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 1743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 1753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 1763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 1783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 1793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 1833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 1843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 1853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1873ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 1883ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 1893ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 1903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 1913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 1923ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 1933ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 1943ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 1953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 1963ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 1973ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 1983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 1993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 2003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 2013ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 2023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 2033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 2043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 2053ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 2063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 2073ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 2083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 2093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 2103ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 2113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 2123ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 2133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 2153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 2163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 2173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 2183ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 2193ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 2203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 2213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 2233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 2243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 2253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 2263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 2273ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 2283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 2293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 2323ed852eea50f9d4cd633efb8c2b054b8e33c253cristyOther known chunks that are not yet supported by ImageMagick: 2333ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 2343ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 2353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 2363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 2373ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 2383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 2393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 2403ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic png_byte FARDATA mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 2413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 2423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2433ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 2443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 2463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 2473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 2483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 2493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 2503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 2513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2523ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 2533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 2553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 2563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 2573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 2583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2603ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 2613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 263bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 2643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 2653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 2663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 2683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 2693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 2713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 2723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 2743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 2753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 2773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 2783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 2793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 2803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 2813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 2823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 2833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 2843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 2853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 2863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 2873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 2883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 2893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 2903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2923ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 2933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 2943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 2963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 2973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 2983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 3013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 3023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 3043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 3053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 3083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 3103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 3113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 3133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 3143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 3153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 3163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 3173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 3183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 3203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 3213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 3223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 3233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 3243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 3253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 3263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 3273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 3283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 3293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 3303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 3313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 3323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 3333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 3343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 3353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 3363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 3373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 3393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 3403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 341bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 3423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 3433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 3443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 3453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 3463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 3473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 3483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 3503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 3513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 3523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 3533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 3543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 3563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 3573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 3583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 3593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 3603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 3613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 3623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 3643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 3653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 3673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 3683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 3703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 3713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 3733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 3743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 3753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 3773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 3793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 3803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 3823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 3833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 3853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 3863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38735ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 3883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 3893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 3903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 3913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 3923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 3933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 3943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 3953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 3963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 397b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 398b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 399b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 4003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 4023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 4033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 4043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 4053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 4063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 4073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 4083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 4093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 4103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 4113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 4123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 4133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 4143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 4153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 4163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 4173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 4183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 4193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png32; 4203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 422bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 4233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 4243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 4253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 4273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 4283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 4293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 4303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 4313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 4323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 4333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 4343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 4353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 4363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 4373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 4403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 4413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 4423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 4433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 4443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 4453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 4463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 4473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 4483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 4493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 4503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 4523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 4533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 45526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 45626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 45726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 45826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 45926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 46026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 46126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 46226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 46326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 46426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 46526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 466a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 46726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 46826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 46926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt; 47026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 4713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 4723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 4733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 4763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4773ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WritePNGImage(const ImageInfo *,Image *); 4790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4803ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteMNGImage(const ImageInfo *,Image *); 4820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy WriteJNGImage(const ImageInfo *,Image *); 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4880c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 4890c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 490fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 4910c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 4920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 493fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrpLosslessReduceDepthOK(Image *image) 4940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 4950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp MagickBooleanType 4960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce=MagickFalse; 4970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 4980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp /* Reduce bit depth if it can be reduced losslessly from 16 to 8. 4990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * Note that the method GetImageDepth doesn't check background 5000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * and doesn't handle PseudoClass specially. Also it uses 5010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * multiplication and division by 257 instead of shifting, so 5020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp * might be slower. 5030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp */ 5040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (image->depth == 16) 5060c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5080c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const PixelPacket 5090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 5100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 5120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (((((size_t) image->background_color.red >> 8) & 0xff) 5138640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.red & 0xff)) && 5140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.green >> 8) & 0xff) 5158640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.green & 0xff)) && 5160c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->background_color.blue >> 8) & 0xff) 5178640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->background_color.blue & 0xff))) ? MagickTrue : 5188640fb5e9b1094f35f8beab436f81661b8a99448glennrp MagickFalse; 5190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5200c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 5210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 5230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5240c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 5250c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5268640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(((((size_t) image->colormap[indx].red >> 5278640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8) & 0xff) 5288640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].red & 0xff)) && 5290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].green >> 8) & 0xff) 5308640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].green & 0xff)) && 5310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) image->colormap[indx].blue >> 8) & 0xff) 5328640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].blue & 0xff)) && 53384758fbdf1574b04e67fc4f49d217b738768c614glennrp (image->matte == MagickFalse || 53484758fbdf1574b04e67fc4f49d217b738768c614glennrp (((size_t) image->colormap[indx].opacity >> 8) & 0xff) 5358640fb5e9b1094f35f8beab436f81661b8a99448glennrp == ((size_t) image->colormap[indx].opacity & 0xff))) ? 53613d07043243e0c8c151aad7db5240b75e76ca281cristy MagickTrue : MagickFalse; 5370c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5380c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5410c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 5430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 5440c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 5460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 5470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 5490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 5500c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 5520c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5530c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 5540c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5550c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (p == (const PixelPacket *) NULL) 5560c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5570c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 5580c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5590c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5600c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5610c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 5620c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5638640fb5e9b1094f35f8beab436f81661b8a99448glennrp ok_to_reduce=(( 5648640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->red >> 8) & 0xff) == 5658640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->red & 0xff)) && 5660c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->green >> 8) & 0xff) == 5678640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->green & 0xff)) && 5680c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ((((size_t) p->blue >> 8) & 0xff) == 5698640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->blue & 0xff)) && 57084758fbdf1574b04e67fc4f49d217b738768c614glennrp (((image->matte == MagickFalse || 5718640fb5e9b1094f35f8beab436f81661b8a99448glennrp (((size_t) p->opacity >> 8) & 0xff) == 5728640fb5e9b1094f35f8beab436f81661b8a99448glennrp ((size_t) p->opacity & 0xff))))) ? MagickTrue : MagickFalse; 5730c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 5750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5760c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp p++; 5780c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5798640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 5800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 5810c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5820c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5830c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5840c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 5850c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 5860c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 587fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 5880c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 589a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 590a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 591a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 592fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 593a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 5940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 5950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 5960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 5970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 5980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 5990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 600e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 601cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_to_PNG_RenderingIntent(const RenderingIntent intent) 6020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 603e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 604e610a071534e448c46460a5aa39ede33bf56b329glennrp { 605e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 606e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 6070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 608e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 609e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 6100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 611e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 612e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 6130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 614e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 615e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 6160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 617e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 618e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 619e610a071534e448c46460a5aa39ede33bf56b329glennrp } 620e610a071534e448c46460a5aa39ede33bf56b329glennrp} 621e610a071534e448c46460a5aa39ede33bf56b329glennrp 622e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 623cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_from_PNG_RenderingIntent(const int ping_intent) 6240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 625cf002022280cc4dedb2748ad6f415aac1d44f530glennrp switch (ping_intent) 626e610a071534e448c46460a5aa39ede33bf56b329glennrp { 627e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 628e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 6290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 630e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 631e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 6320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 633e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 634e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 6350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 636e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 637e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 6380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 639e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 640e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 641e610a071534e448c46460a5aa39ede33bf56b329glennrp } 642e610a071534e448c46460a5aa39ede33bf56b329glennrp} 643e610a071534e448c46460a5aa39ede33bf56b329glennrp 644bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 6453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 6473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6510c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 652bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 6553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 6560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 6583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6590c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 660dbb105fc25903e800273f7e980c0553060858a68glennrp 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 666dbb105fc25903e800273f7e980c0553060858a68glennrp% I m a g e I s G r a y % 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 671dbb105fc25903e800273f7e980c0553060858a68glennrp% % 672dbb105fc25903e800273f7e980c0553060858a68glennrp% Like IsGrayImage except does not change DirectClass to PseudoClass % 673dbb105fc25903e800273f7e980c0553060858a68glennrp% % 674dbb105fc25903e800273f7e980c0553060858a68glennrp%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 676dbb105fc25903e800273f7e980c0553060858a68glennrpstatic MagickBooleanType ImageIsGray(Image *image) 6773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 6803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 683dbb105fc25903e800273f7e980c0553060858a68glennrp x, 684dbb105fc25903e800273f7e980c0553060858a68glennrp y; 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 6873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 6883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 689dbb105fc25903e800273f7e980c0553060858a68glennrp (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 690dbb105fc25903e800273f7e980c0553060858a68glennrp 691dbb105fc25903e800273f7e980c0553060858a68glennrp if (image->storage_class == PseudoClass) 6923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 693dbb105fc25903e800273f7e980c0553060858a68glennrp for (i=0; i < (ssize_t) image->colors; i++) 694dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(image->colormap+i) == MagickFalse) 695dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 696dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 6973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 698bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 702dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 703dbb105fc25903e800273f7e980c0553060858a68glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 704dbb105fc25903e800273f7e980c0553060858a68glennrp { 705dbb105fc25903e800273f7e980c0553060858a68glennrp if (IsGray(p) == MagickFalse) 706dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickFalse); 707dbb105fc25903e800273f7e980c0553060858a68glennrp p++; 708dbb105fc25903e800273f7e980c0553060858a68glennrp } 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 710dbb105fc25903e800273f7e980c0553060858a68glennrp return(MagickTrue); 711dbb105fc25903e800273f7e980c0553060858a68glennrp} 712d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 7273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 7383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 7583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 7850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 8013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 8023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 8043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 8210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 830d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 831bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 8503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 8513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 853a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 8543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 8553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 861a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 8643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8693ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 8703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87403812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 87503812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 8783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 879e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 880e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 8813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 882d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 888d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 8983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 8993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 9103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 9123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 9143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 9163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 9183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 9193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 9213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 9233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 9253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 9263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 9273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 9293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 9353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 9363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 9383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 9393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 9433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 9453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 9463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 9473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 9483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 9493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 9503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 9513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 9523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 9533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 9543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 9553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 9563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 9573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 9593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 9603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 9613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 9623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 9643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 9663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 9683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 9693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 9703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the orginal PNG from files that have been converted to Xcode-PNG, 9713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 9723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 9733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 9743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 9763ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 9773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 9803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 9813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 9823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 9833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 9843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 9853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 9863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 9873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 9883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 9903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 9913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 9933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 9943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 9963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 9973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 9993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 10003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(msg,MaxTextExtent, 1002e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1003e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 10043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 10053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 10113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 10123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 10133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 10143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 10153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 10163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 10173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 10183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 10193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 10213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 10233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 10243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 10273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 10293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 10303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1031bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 10323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 10333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 10353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 10363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 10373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 10383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 10403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 10413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 10453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 10470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 10493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 10500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 10523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 10543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 10553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 10573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 10583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 10593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 10603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 10613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 10623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 10633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 10653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 10663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 10703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 10713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1107bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 11080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1122bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1134bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 11553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 11560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 11610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1174bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1176bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 118121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 118321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1185bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 11900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 11940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 12080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 12110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 12140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 12170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1230bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1232bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1250bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 12528182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 12538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 12540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12648182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12668182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1269cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 12750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 12790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderError, 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 12820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1283e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 12848371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 12858371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 12868371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1288faa852bad40107edae19405e76a299057668d795glennrp#else 1289faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1290faa852bad40107edae19405e76a299057668d795glennrp#endif 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1293cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 13000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_error_ptr(ping); 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->debug != MagickFalse) 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1304cc23b9a188db6b1f240825f6d4c52310f5f69765cristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 13050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(),CoderWarning, 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1311cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_voidp Magick_png_malloc(png_structp png_ptr,png_uint_32 size) 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER < 10011) 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_voidp 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret; 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ret=((png_voidp) AcquireMagickMemory((size_t) size)); 13190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ret == NULL) 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error("Insufficient memory."); 13220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ret); 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1333cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_ptr=png_ptr; 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1346cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_read_raw_profile(Image *image, const ImageInfo *image_info, 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp text,int ii) 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1349bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 13770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 13810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1382f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 13830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 138497f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 138597f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 138697f90e23c85b9c58387880125c29d8c99126f83aglennrp 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 13890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","invalid profile length"); 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(length); 13990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 14013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "unable to copy profile"); 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 14110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1412bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderWarning,"UnableToCopyProfile","`%s'","ran out of data"); 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 14280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,&text[ii].key[17],profile); 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 14370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 14400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1474bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 14760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1477bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 1529cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1532faa852bad40107edae19405e76a299057668d795glennrp pass, 1533faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1534faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1535faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1536faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1537faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 1538faa852bad40107edae19405e76a299057668d795glennrp ping_num_trans; 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1540a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp LongPixelPacket 1541a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color; 1542a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 15444383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1547faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1548faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1549faa852bad40107edae19405e76a299057668d795glennrp 1550faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1551faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1552faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1553faa852bad40107edae19405e76a299057668d795glennrp 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1564faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1565faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1566faa852bad40107edae19405e76a299057668d795glennrp ping_width, 1567faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes; 1568faa852bad40107edae19405e76a299057668d795glennrp 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 1573cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1575bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register IndexPacket 15825c6f789db7a30bad01ace12b09ad9cd471339e94cristy *indexes; 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 159239992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 16043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 1608fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOnePNGImage()"); 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1611cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 161425c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 162061b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 162161b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 162261b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 162361b4c957269727a0a2526edc2331881da8346100glennrp { 162461b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 162561b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 162661b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 162761b4c957269727a0a2526edc2331881da8346100glennrp } 162861b4c957269727a0a2526edc2331881da8346100glennrp# endif 162961b4c957269727a0a2526edc2331881da8346100glennrp#endif 163061b4c957269727a0a2526edc2331881da8346100glennrp 163161b4c957269727a0a2526edc2331881da8346100glennrp 1632ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info = (QuantumInfo *) NULL; 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 16343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1635a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 1636a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 1637a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " image->matte=%d",(int) image->matte); 1638a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 16390e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 16400e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 16410e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 16420e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 16430e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.opacity=65537; 16440e319739731741c52a6303723e0c8678a0df5579glennrp 1645cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 1646cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 1647cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 16483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 16503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING, image, 1653cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 1654cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,image, 1657cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 16603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 16630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 16653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 16673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 16710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1678cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 16790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1680faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 16813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1687cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 16883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 16913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 16920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 16947b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 16957b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 16967b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 16977b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 16980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1704faa852bad40107edae19405e76a299057668d795glennrp 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 17063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 17070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 17333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1740991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 1741991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 1742991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 17513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 17523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 17543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1756991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 1760faa852bad40107edae19405e76a299057668d795glennrp 1761faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 1762faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 1763faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 1764faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 1765faa852bad40107edae19405e76a299057668d795glennrp 1766faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 1767faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 1768faa852bad40107edae19405e76a299057668d795glennrp 1769faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 1770faa852bad40107edae19405e76a299057668d795glennrp 1771faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 17723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1773faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 1774faa852bad40107edae19405e76a299057668d795glennrp { 1775faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 1776faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 1777faa852bad40107edae19405e76a299057668d795glennrp } 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1779faa852bad40107edae19405e76a299057668d795glennrp 1780faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 1782faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 17833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1786e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 1787e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 17880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 1791faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 1795faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 17960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 1799faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1802faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 1803faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1808e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 1809e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 1810e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1811e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 1812e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 1813e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1814e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 1815e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 18173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 18240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(profile_length); 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetStringInfoDatum(profile,(const unsigned char *) info); 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,"icc",profile); 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 18413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intent; 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 1846cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 1847cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (mng_info->global_srgb_intent); 18480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1851cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 1852cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (intent); 18530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1856e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 18573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy double 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_gamma; 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1864faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 1865faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 1866faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 18670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 18743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1876faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 1877faa852bad40107edae19405e76a299057668d795glennrp { 1878faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 1879faa852bad40107edae19405e76a299057668d795glennrp { 1880faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 1881faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 1882faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 1883faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 1884faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 1885faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 1886faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 1887faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 1888faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 1889faa852bad40107edae19405e76a299057668d795glennrp } 1890faa852bad40107edae19405e76a299057668d795glennrp } 18910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1892faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 19030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1909e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1911e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 1912cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 1913cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->rendering_intent)); 1914faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 1915faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 1916faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 1917faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 1920faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1922905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 1923905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 19240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 19273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1928e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 1929e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 19303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 1933faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 1934faa852bad40107edae19405e76a299057668d795glennrp { 1935faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 1936faa852bad40107edae19405e76a299057668d795glennrp { 1937faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 1938faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 1939faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 1940faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 1941faa852bad40107edae19405e76a299057668d795glennrp } 1942faa852bad40107edae19405e76a299057668d795glennrp } 1943faa852bad40107edae19405e76a299057668d795glennrp 1944faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unit_type; 19483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_resolution, 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_resolution; 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 19543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 19553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 19570881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 19580881b52ab4fee8427578a694081946c4c4e92b35cristy image->x_resolution=(double) x_resolution; 19590881b52ab4fee8427578a694081946c4c4e92b35cristy image->y_resolution=(double) y_resolution; 19600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 19623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 19643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=(double) x_resolution/100.0; 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=(double) y_resolution/100.0; 19663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1970e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 1971e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1974823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 1975faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 19793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 19813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 19823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 19840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 1986faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 19920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1993faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 19993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2010faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2019faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2020faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 20210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 20233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 20240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 20263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 20270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 20300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 20383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 20393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 2043faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2044faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 20460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2047faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 20513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 20550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20562cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == MAGICKCORE_QUANTUM_DEPTH) 20573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2058faa852bad40107edae19405e76a299057668d795glennrp image->background_color.red=ping_background->red; 2059faa852bad40107edae19405e76a299057668d795glennrp image->background_color.green=ping_background->green; 2060faa852bad40107edae19405e76a299057668d795glennrp image->background_color.blue=ping_background->blue; 20613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20632cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else /* Scale background components to 16-bit */ 20643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20652cbb4489df0a2a31907769956f217d4b9d982bd0glennrp unsigned int 20662cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale; 20672cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20682cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 20692cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20702cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 20712cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 20722cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20732cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 1; 20740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20752cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == 1) 20762cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 255; 20770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20782cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 2) 20792cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 85; 20800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20812cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 4) 20822cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 17; 20830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20842cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth <= 8) 20852cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale *= 257; 20862cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20872cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->red *= bkgd_scale; 20882cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green *= bkgd_scale; 20892cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->blue *= bkgd_scale; 20902cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20912cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 20922cbb4489df0a2a31907769956f217d4b9d982bd0glennrp { 20932cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20942cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 20950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20962cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20972cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 20982cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 20992cbb4489df0a2a31907769956f217d4b9d982bd0glennrp } 21002cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red= 2102faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 21030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green= 2105faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 21060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue= 2108faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->blue); 21090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2110f17da7472c6195cfc91626d98d166cae04345d34cristy image->background_color.opacity=OpaqueOpacity; 21112cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21122cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21132cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2114e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->background_color=(%.20g,%.20g,%.20g).", 2115e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.red, 2116e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.green, 2117e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.blue); 21183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2121a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2122faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 21233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2125a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 21263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 21283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 21293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 213035ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 213135ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 213235ef824baa82511126ff0072ae30eee0da9c05a3cristy 21333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 21363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2137f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 21383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2139faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2140faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2141faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2142faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2143faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2144faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 21453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2150faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 21513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 21523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 21543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2155a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2156a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2157a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2158a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short = 65535L/((1UL << ping_bit_depth)-1); 2159a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2160a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2161a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2162a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2163a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 2164a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.opacity= scale_to_short*ping_trans_color->gray; 216505eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2166faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21680f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 21690f111984738842d27d04aed2a3f823d82a943506glennrp { 21700f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21710f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 21720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21730f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21740f111984738842d27d04aed2a3f823d82a943506glennrp " scaled graylevel is %d.",transparent_color.opacity); 21750f111984738842d27d04aed2a3f823d82a943506glennrp } 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=transparent_color.opacity; 21773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=transparent_color.opacity; 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=transparent_color.opacity; 21793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 21833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2185faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 21873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2190faa852bad40107edae19405e76a299057668d795glennrp 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2192faa852bad40107edae19405e76a299057668d795glennrp 2193faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2194faa852bad40107edae19405e76a299057668d795glennrp 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 21973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2199bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 22003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2201bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2204faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2205faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 22073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 22133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2216faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2217faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2218faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2219faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2220faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2222befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2223befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2224befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2226befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2227befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=256; 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 65536L) 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=65536L; 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2235faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2244bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 22450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (AcquireImageColormap(image,image->colors) == MagickFalse) 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 22590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2260faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 22690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2270bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2280bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 22823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2283faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 22840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 22870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2288bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2296147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2297cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 2298cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 2299147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 2300147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 2301147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2302147bc91f6859c598c4f57b6a162111b2f63614d9glennrp /* encode ping_width, ping_height, ping_bit_depth, ping_color_type, 2303147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 2304147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2305147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) FormatMagickString(msg,MaxTextExtent,"%d",(int) ping_width); 2306147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) SetImageProperty(image,"PNG:IHDR.width ",msg); 2307147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2308147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) FormatMagickString(msg,MaxTextExtent,"%d",(int) ping_height); 2309147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) SetImageProperty(image,"PNG:IHDR.height ",msg); 2310147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2311147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) FormatMagickString(msg,MaxTextExtent,"%d",(int) ping_bit_depth); 2312147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) SetImageProperty(image,"PNG:IHDR.bit_depth ",msg); 2313147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2314147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) FormatMagickString(msg,MaxTextExtent,"%d",(int) ping_color_type); 2315147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) SetImageProperty(image,"PNG:IHDR.color_type ",msg); 2316147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 2317147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) FormatMagickString(msg,MaxTextExtent,"%d", 2318147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (int) ping_interlace_method); 2319147bc91f6859c598c4f57b6a162111b2f63614d9glennrp (void) SetImageProperty(image,"PNG:IHDR.interlace_method",msg); 2320cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 2321147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 23270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23280ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2329347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2330347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 23313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2334e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 23353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 23363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2338cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 23393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 23430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 23453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 23500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2352cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2353cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_rowbytes*sizeof(*ping_pixels)); 23540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2356cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 2357cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 23580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2359cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 23603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 23653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 23673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2368faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 23693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2375cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 23763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info = DestroyQuantumInfo(quantum_info); 23790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2380cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 2381cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 23820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 23860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 23887b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 23897b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 23907b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 23917b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 23920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 23943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2396ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 23970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2398ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 2399ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 24000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2401c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2402c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2403c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2404c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2405c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2406c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 2407c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 24083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 24093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2410c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 2411c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2412c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 2413c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 2414c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 2415c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 2416c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp int 2417c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth; 24183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2419c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth=(ssize_t) ping_bit_depth; 24203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2421c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2422c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2423c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2424c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickTrue : MagickFalse; 24250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2426c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 2427c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2428c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 2429c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 24300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2431c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 2432c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 24330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2434cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 2435c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 24363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2437c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q == (PixelPacket *) NULL) 2438c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 24390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2440c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (0 && (MAGICKCORE_QUANTUM_DEPTH == 8) && !defined(MAGICKCORE_HDRI_SUPPORT)) 2441c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp/* code deleted from version 6.6.6-8 */ 2442c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#else /* (MAGICKCORE_QUANTUM_DEPTH != 8) */ 24430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2444c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 24453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2446cf002022280cc4dedb2748ad6f415aac1d44f530glennrp GrayQuantum,ping_pixels+row_offset,exception); 24470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2448c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2450cf002022280cc4dedb2748ad6f415aac1d44f530glennrp GrayAlphaQuantum,ping_pixels+row_offset,exception); 24510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2454cf002022280cc4dedb2748ad6f415aac1d44f530glennrp RGBAQuantum,ping_pixels+row_offset,exception); 24550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2456c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2457c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2458cf002022280cc4dedb2748ad6f415aac1d44f530glennrp IndexQuantum,ping_pixels+row_offset,exception); 24590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 2461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2462cf002022280cc4dedb2748ad6f415aac1d44f530glennrp RGBQuantum,ping_pixels+row_offset,exception); 2463c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#endif 2464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 2465c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2466c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 2467a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 2468a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2469a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 2470a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2471c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 2472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 24735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 24745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 24755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (q->opacity != OpaqueOpacity)) 2476c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2477a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2478a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2479a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 2480a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 2482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2483c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 24854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 2486a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (ScaleQuantumToShort(q->red) == transparent_color.red && 2487a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2488a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue)) 24894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 2490a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2491a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2492a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 24934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 24944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 24954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2496c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q++; 2497c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2500c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 2501c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2502c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2503c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 25040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2505c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 2506c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2507c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 2509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2510c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 25110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2512c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 25137a287bfadeadea12e47c2376ca78a5d101687142cristy { 2514c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 25157a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 25167a287bfadeadea12e47c2376ca78a5d101687142cristy break; 25177a287bfadeadea12e47c2376ca78a5d101687142cristy } 25183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 2522c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 25243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 25263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 25273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 25293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 25303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 25333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2534faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 25360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 25383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 25390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 25413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 25420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2543bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2546faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 2547c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 2550c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2551cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 25530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25575c6f789db7a30bad01ace12b09ad9cd471339e94cristy indexes=GetAuthenticIndexQueue(image); 2558cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 2560c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2561faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 25623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2565bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 25673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2568bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 25733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2577bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 258347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 25853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2586bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 6) & 0x03; 25893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x03; 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 2) & 0x03; 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x03; 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 25953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2596bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p >> (i*2)) & 0x03); 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 260247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2605bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x0f; 26083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x0f; 26093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 26123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++ >> 4) & 0x0f; 26130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 261647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2619faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 2620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* In image.h, OpaqueOpacity is 0 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * TransparentOpacity is QuantumRange 26253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * In a PNG datastream, Opaque is QuantumRange 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and Transparent is 0. 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleCharToQuantum((unsigned char) (255-(*p++))); 2629c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26300b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2635bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 264047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 26423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2643bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 16) 2646bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=(Quantum) quantum; 26583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 265947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2660faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=((*p++) << 8); 26633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-quantum); 2665c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26660b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 2671bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=quantum; 26833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 26840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2685faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(*p << 8) | *(p+1); 2688afee4d36aae894a74306a3c492437ca55dce2badcristy q->opacity*=65537L; 268946f08209f719f4adeea742c45873c2714e80cdb9cristy q->opacity=(Quantum) GetAlphaPixelComponent(q); 2690afee4d36aae894a74306a3c492437ca55dce2badcristy if (q->opacity != OpaqueOpacity) 26910b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=2; 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 269547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++); 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* strip low byte */ 269947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2700faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-(*p++)); 2703c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 27040b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 27053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 271147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 271447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 27163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 27203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 27220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2723bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 272480ac8b9110f1adf7202ed1f4f244cbb1a4e1a56fcristy indexes[x]=(IndexPacket) (*r++); 27250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27297a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 27307a287bfadeadea12e47c2376ca78a5d101687142cristy { 2731cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2732cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 273347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27347a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 27357a287bfadeadea12e47c2376ca78a5d101687142cristy break; 27367a287bfadeadea12e47c2376ca78a5d101687142cristy } 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2738c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27397a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 27403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 274247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 27443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2746c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2749c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2750c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=found_transparent_pixel; 2751c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2752c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 2753c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2754c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 2755c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2756c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 2757c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 27585aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 27595aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27605aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 2761a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 27625aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 27635aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 2764c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2765c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2766c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2767b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 2768b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 27690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27705c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 27715c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 2772aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 27735c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 27745c6f789db7a30bad01ace12b09ad9cd471339e94cristy 27755c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 27765c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 27775c6f789db7a30bad01ace12b09ad9cd471339e94cristy (void) SyncImage(image); 2778aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 27795c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 278047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_end(ping,ping_info); 27823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 2784bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2787cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 27883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 27893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 27903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2791cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 27923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 27963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 27973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 279847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2799faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 28023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 28033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 28053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 28063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 28083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 2809c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28103c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 2811c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 28130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2815c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 28160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 28170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = 28190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleCharToQuantum((unsigned char)(255-ping_trans_alpha[x])); 28200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2821c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 282247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 28260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 28280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent_color.opacity) 28290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = (Quantum) TransparentOpacity; 28310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 28350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 283647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2837a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 2838a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 2839a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 28430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 28450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 2846c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (q == (PixelPacket *) NULL) 28480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2849c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp indexes=GetAuthenticIndexQueue(image); 28510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2852a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 2853a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 2854a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 28560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 2857a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (ScaleQuantumToShort(q->red) == transparent_color.red && 2858a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2859a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue) 28604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q->opacity=(Quantum) TransparentOpacity; 28624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 28630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2864a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 0 /* I have not found a case where this is needed. */ 28650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->opacity=(Quantum) OpaqueOpacity; 28684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2869a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 28700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q++; 28720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 28750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2876c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 28770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2878a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 2879c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 28813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 2883b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy if ((ping_color_type == PNG_COLOR_TYPE_GRAY) || 2884b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2885b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy image->colorspace=GRAYColorspace; 288647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_text(ping,ping_info,&text,&num_text) != 0) 2888bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) num_text; i++) 28893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check for a profile */ 28913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG text chunk"); 28950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(text[i].key, "Raw profile type ",17) == 0) 2897cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 2898cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_read_raw_profile(image,image_info,text,(int) i); 2899cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles++; 2900cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 29010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=text[i].text_length; 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 29093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*value)); 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value == (char *) NULL) 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value='\0'; 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(value,text[i].text,length+2); 29193e37b4a7f21b6ae84f32c7748d999d86e17c201aglennrp 2920823b55c200d7fc1818ab539b036a9c24feaecda8glennrp /* Don't save "density" or "units" property if we have a pHYs 2921823b55c200d7fc1818ab539b036a9c24feaecda8glennrp * chunk 2922823b55c200d7fc1818ab539b036a9c24feaecda8glennrp */ 2923823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 2924823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (LocaleCompare(text[i].key,"density") != 0 && 2925823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(text[i].key,"units") != 0)) 29263e37b4a7f21b6ae84f32c7748d999d86e17c201aglennrp (void) SetImageProperty(image,text[i].key,value); 29270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 292997f90e23c85b9c58387880125c29d8c99126f83aglennrp { 293097f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 293197f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Keyword: %s",text[i].key); 293497f90e23c85b9c58387880125c29d8c99126f83aglennrp } 29350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=DestroyString(value); 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29393c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 29403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 29433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 29453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 29503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 295273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 29530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 29553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 29573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 29583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 296047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 29623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 29633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 29723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 29803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 29810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 29833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 29840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 29870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 29913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2993faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 29950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2996faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 2997faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 2998faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 2999faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3000faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3001faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3002faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3003faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 30040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3005faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 30153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 30183c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 302447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30300a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 30310a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp /* Set image->matte to MagickTrue if the input colortype supports 30320a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 30330a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 30340a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 30350a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 30360a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 30370a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 30380a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp MagickTrue : MagickFalse; 30390a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3040cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3041cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3042cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3043cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3044cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3045cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_text != 0) 3046cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3047cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 3048cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) FormatMagickString(msg,MaxTextExtent, 3049cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d chunks were found", num_text); 3050cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:text ",msg); 3051cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3052cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3053cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3054cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3055cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) FormatMagickString(msg,MaxTextExtent, 3056cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 3057cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:text-encoded profiles",msg); 3058cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3059cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3060cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) FormatMagickString(msg,MaxTextExtent,"%s", 3061cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "chunk was found"); 3062cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3063cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 3064cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:gAMA ",msg); 3065cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3066cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 3067cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:cHRM ",msg); 3068cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3069cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 3070cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:bKGD ",msg); 3071cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3072cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 3073cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:iCCP ",msg); 3074cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3075cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_sRGB)) 3076cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:sRGB ",msg); 3077cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3078cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 3079cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:pHYs ",msg); 3080cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3081cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 3082cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp (void) SetImageProperty(image,"PNG:tRNS ",msg); 3083cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3084cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 30853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3090cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 30913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 3092cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 30933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 30943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 30980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 31023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31043ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 31053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 31083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 311121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 311221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 31283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 312947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 31323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 313347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3136fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 31393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 314047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 314347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 31463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 314847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3149dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 315147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 315673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 315747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 316047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 31673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 317147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 31803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 31860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 31883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 318947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 319147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 31933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 31970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 320047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG8") == 0) 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,PaletteType); 32040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: Reduce to binary transparency */ 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 321047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 32113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorType); 32143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 32153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorMatteType); 32190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 322197f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 322297f90e23c85b9c58387880125c29d8c99126f83aglennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 322397f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.width,(double) image->page.height, 322497f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.x,(double) image->page.y); 322597f90e23c85b9c58387880125c29d8c99126f83aglennrp 322697f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 32280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 32303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 32313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 32373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 32413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 32443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 32453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 32493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 32523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 32543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 32563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 32573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 32633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32804383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 32814383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 32824383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3283bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 32843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 32873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 33023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 33053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3306bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 33073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 33113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 33143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3321bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 33233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 33273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 33313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 33333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 3335fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 33380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 33403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 33433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 33470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 33490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 33513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 33520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 33543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 33623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 33703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 33743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 33773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 33783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 33793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 33800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 33823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 33853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 33863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 33873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 33883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3391e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3392e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 33933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 33960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 33983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 339947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 34030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 34053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3407bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 34083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 34090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 34113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 341247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 34143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 341947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 34213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3427bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3429bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 34333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 34343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 343547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 34373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 343847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 34413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 344347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3447f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 344847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3450f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 345147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 345447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 34573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 345847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 34613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 346247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 346647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 34693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 347047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 34733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 347447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 34773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 347847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 34813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 348447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 348747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 34893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 35013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 350373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 350447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 350747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=AcquireImage(color_image_info); 35100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 35170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 35210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 352873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 35290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 35320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 35343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=AcquireImage(alpha_image_info); 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 35460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 35500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 35530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 35573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 35583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 35620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 35643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 35650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 35673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 356803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 35703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 35713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 35723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 35733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 35743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 35753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 35763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 35773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 35783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 35843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 358547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 35903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 359247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 359547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 36003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 36023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 36033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 360447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 36053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 36093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 36113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3612bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 36133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 361403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 36153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 36163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 36283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 362947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 36303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 36323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 36343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 36383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 36473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 36490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 36593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 36613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 36623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 36683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 36693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 36798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 36800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36898182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 36908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 36918182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 36928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 36938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 36948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 36958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 36968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 369847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3707e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 3708cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 37183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 371947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37285eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 37295eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 37300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 373747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37488182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->x_resolution=(double) mng_get_long(p); 37498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->y_resolution=(double) mng_get_long(&p[4]); 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=image->x_resolution/100.0f; 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=image->y_resolution/100.0f; 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3765fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 37773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 37780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 37843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 37873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 37933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 37963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy opacity samples of main image. 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 380747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 38110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(color_image_info->filename,MaxTextExtent,"%s", 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 38140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 38170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 38193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 38203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 38233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 38243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 38263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 38273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 38310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns*sizeof(PixelPacket); 38350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3836bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception); 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 38403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(q,s,length); 384147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 38433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 38470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 38513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 38533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 38553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 38563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 38573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 385803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 38640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading opacity from alpha_blob."); 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(alpha_image_info->filename,MaxTextExtent, 38703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 38730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 3875bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 388047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 3882bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3886bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q->opacity != OpaqueOpacity) 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 390447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 390547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 39073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 39103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 39130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 39140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 39150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 39160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 39170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 39190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 39200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 39210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 39220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 39230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 39250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 39260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 39270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 39280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 39320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 39360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 397821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 397921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3999fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 40030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 40090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 401047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 401147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 401347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40143b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 40160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 401747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 401847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 402073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 40210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 402547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 402647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 40340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 40383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 40460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 405047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 40560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 40620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40764383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 407721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 407821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 40794383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4086bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4111bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4117bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 41223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4134bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 414338ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 414438ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 414538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4146bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 416847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 416947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4175fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 41790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 418647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 418747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 418847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 418973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 41900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 41930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 419447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 419547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 420547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 420947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 421047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4213bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4214bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 421847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 42313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 42473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4261e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4262e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 42660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 42690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 42720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 427647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 427947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4280bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 428247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 42960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 42983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 43030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 43070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 431247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 43170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 43240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4330bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 43320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4333bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 43350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4339e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4341e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 43458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 43460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 43490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 43530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 43560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 43608182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 43640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 43670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 43700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 437747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 43790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 43900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4391e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (void) FormatMagickString(page_geometry,MaxTextExtent, 4392e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4393f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 43940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4396bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4398bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 44000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 44030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 44160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44198182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 44208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 44210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 44240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 44330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4435e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 44360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4438e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 44393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 44520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 44810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 44840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 44910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 44920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 44940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 44950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4499e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 4500f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 45010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4503e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 4504f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 45140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 45210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 45260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 45290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 45320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 45440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 45470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 45520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 45550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 45573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 45580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.opacity=OpaqueOpacity; 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 457047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 457347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 457447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 45800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4581bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 458835ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 46030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 460747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 4613bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 462012560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4628bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 46303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46318182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 46343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 46380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 464547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 464647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 46508182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 46518182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 46538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 46543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 46558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 46578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 46598182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 46603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 46618182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 466647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 467047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4678e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 4679cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 468447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 468847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 46903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4691fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 469847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 470147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 47080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 47110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 47133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 471547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 47190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 47230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 472647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 472747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 472947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4730bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 473247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 473447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4735bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 474647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 47508182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 47510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47528182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 47538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 47540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4755bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4756bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 47570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 47600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4765e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 476747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4770bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 4771bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 47720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4773bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 4774bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 47750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4776bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4777bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 47780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 47810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 47830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4786e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 478847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 47940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 4798e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 4799e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 480047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 48080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4809bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 48110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4812bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4820e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 4821e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 48220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 482647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 483047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 483747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 48520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 48583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 48630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 4867e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 4868e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 488547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 489747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 492147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 492247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4931bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4934bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 494647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4949bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 495347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 495447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 4957bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 497447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4981bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 498447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 498547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 49868182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 49870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4990e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 4991e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 49920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 49950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 500647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 501047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 502247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 50290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 50320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5033e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5034f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 503547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 50400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 504547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 506347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 506747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 507447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 507747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 50940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 50970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 51000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 511147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 511747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 512347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 512647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 513247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 513547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 51373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 514147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 514447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 515047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 515347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 515947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 516247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 516847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 517147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 517747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 518147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 518947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 520847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 52103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 521547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 521847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 522547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 522847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 523347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 52498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 52518182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 525547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 526447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 527047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 527547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5278bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5280bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 528847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 529147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 529447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 529747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 530047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 530347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 530647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 531447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 531747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 532047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 532547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 533547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 534247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 534547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 535147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 535947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53608182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 53618182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5374bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5376bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 538447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 539147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 539547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 540247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 540547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 540647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 540747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5419e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5420e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 54213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 543747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 544447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 545947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 54623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 54700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5474e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5475e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 547947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 548647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 54990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 55020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 55110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 55200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 552647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 553047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 553547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5536bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 553747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 554947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 556247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 559547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 559847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 560047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 560147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 560347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56064e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 560747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 561047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 561347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 561547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 561647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 561847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 562247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 562547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 562747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 562847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 563047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56334e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 563447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 563747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 564047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 564247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 564347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 564547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5655bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5659bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next, 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *prev; 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 567447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 567547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 567947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 568147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5705bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 570947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5710bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleQuantumToShort(q->red); 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleQuantumToShort(q->green); 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleQuantumToShort(q->blue); 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleQuantumToShort(q->opacity); 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 571847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 572947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->background_color.opacity=OpaqueOpacity; 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 573447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 573747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 574047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 574347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5752e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 5753bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=(size_t) image->columns; 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*next)); 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*prev)); 575847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((prev == (PixelPacket *) NULL) || 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next == (PixelPacket *) NULL)) 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 577047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5771bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 5774bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 577547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 5777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 577847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5779bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 5780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 578147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5782bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 578447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5786bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 578747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 579147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5792bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5804bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1,exception); 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q+=(large_image->columns-image->columns); 581047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5811bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5813fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); /* replicate previous */ 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 582447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 582947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 5833bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).red=(QM) (((ssize_t) (2*i*((*n).red 5834bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).red)+m))/((ssize_t) (m*2)) 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).red); 5836bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).green=(QM) (((ssize_t) (2*i*((*n).green 5837bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).green)+m))/((ssize_t) (m*2)) 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).green); 5839bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).blue=(QM) (((ssize_t) (2*i*((*n).blue 5840bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).blue)+m))/((ssize_t) (m*2)) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).blue); 584247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 5844bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (2*i*((*n).opacity 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).opacity)+m)) 5847bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).opacity); 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 586547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 586847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5871bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) (2*i*((*n).opacity 5872bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m))/((ssize_t) (m*2)) 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels++; 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 588047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 588347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 588647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) RelinquishMagickMemory(prev); 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) RelinquishMagickMemory(next); 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5905e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5907bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=q+(image->columns-length); 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=pixels+1; 591547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5916bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 5917bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5919bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 5920bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 592147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 5923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 592447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5925bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 5926bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 592747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5928bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 593047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5932bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 593347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 594147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 594647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).red=(QM) ((2*i*((*n).red 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).red)+m) 5952bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).red); 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).green=(QM) ((2*i*((*n).green 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).green) 5955bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy +m)/((ssize_t) (m*2))+(*pixels).green); 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).blue=(QM) ((2*i*((*n).blue 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).blue)+m) 5958bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).blue); 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5961bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m)/((ssize_t) (m*2)) 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 596447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 597447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 598047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 598347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5988bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m) /((ssize_t) (m*2)) 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 599747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6007bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 601047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6011bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleShortToQuantum(q->red); 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleShortToQuantum(q->green); 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleShortToQuantum(q->blue); 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleShortToQuantum(q->opacity); 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 601947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 605347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6069bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6070bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 607647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 608847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61112b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 61122b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 61132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 61142b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 61152b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 61162b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 61172b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 61182b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 61190c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 61208640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 61218640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6123d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageException(image,exception); 612547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6129bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6132d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6136d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 613847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 614047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 614447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 61550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 616647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 617047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 61830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 61860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 61910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 620247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 620647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 62110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 621647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 622247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 623047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 623547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 624147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 624447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 624747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 62550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 62610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 626647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 62720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 62740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6277e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6278e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 62790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 628747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 629047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6292e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 629347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6298e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6310bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 631547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=CoalesceImages(image,&image->exception); 631847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 632147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 632447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 633347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 633647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 635347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 636347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 636647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6368e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6369e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 637047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 6372f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 6373f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 637447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6375f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6376e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 6377e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 6378f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 6379f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 638047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 638447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 638747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 639025c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 639547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 639847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 640147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 640625c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6429bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6432bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 64423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 644547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 645147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 645947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 646347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 647447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 648247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 648547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 649147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 649647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 650147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 650447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 650947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 651447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 652447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 652847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 653547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 653847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 654347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 655147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 655647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 656447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 657147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 657847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 657918b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6580cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_semaphore=AllocateSemaphoreInfo(); 658118b17443128598500357da7bff2f01683cf32890cristy#endif 658247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 661347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6615cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 6616cf002022280cc4dedb2748ad6f415aac1d44f530glennrp DestroySemaphoreInfo(&ping_semaphore); 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 662125c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 66323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 66513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 66533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 66543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 66683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 66713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 66923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 66933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 66943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66963ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 6697cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 67033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6704bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 67063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 67213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 67260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 67403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 67433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(dp,allocated_length- 6747f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 674947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6750bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 67513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 67533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 67563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 675747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 67603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 67613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 676447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 676747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6773cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 67744383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 67783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 67863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 678847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 678947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 679047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 679247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 6796cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 67973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 679847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 679947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 680047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 680147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 680247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 680347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6804cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 6805cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 6806cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 680747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 680847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 680947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 681047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 681147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 681247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 681347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 6814cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 681547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 681747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 682047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6824b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6825b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 68263ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 6827b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp const ImageInfo *IMimage_info,Image *IMimage) 68283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6829b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp Image 6830b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image; 6831b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6832b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp ImageInfo 6833b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image_info; 6834b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 68363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 68413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 68423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 68443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 68453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 68473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 6848cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 6849cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 6850e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 6851e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 68525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 685339992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 685439992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 68553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 68575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 68585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 68595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 68613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 68675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 68685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 68695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6870bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 68713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 687458e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 687521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 687658e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 687758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 6878da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 6879fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 6880d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 68818d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 688239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 6883991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 6884991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 6885991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 688626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 688726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 688826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 6889e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 689026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 689126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 689226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 689326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 689426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 689526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 689626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 6897e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 689826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 689926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 690026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 690126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 69020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 69030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 690482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 6905d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 6906d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 69093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6911bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 69123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 69143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6916cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 6919f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 69200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 69215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 69225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 69235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 69245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 69255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 69265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6927bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 69285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 69295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 69303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6931bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6936dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 6937fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 6938f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 69398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 69408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 69418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 6942dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 6943dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6944dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 6945dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 6946dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 6947dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 6949fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6951b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image = CloneImage(IMimage,0,0,MagickFalse,&IMimage->exception); 6952b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 6953b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6955cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 69590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 69605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 69615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 69625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 69635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 69645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 69655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 69675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 69685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 69695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 69705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 69715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 69725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 69735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 69745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 69755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 69765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6977dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 6978dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 6979dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 6980dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6981da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 6982d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 69838d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 698439992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 6985991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 6986991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 6987991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 6988991d11dd9c33e65872778b81aff1347cd2878154glennrp 69890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 69900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 6991dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 69920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 69930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 69950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 69960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 69970e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 69980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 69990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 7000dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 70010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 70020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 70030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 70040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 70050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 70060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 70078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 70088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 70098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 70108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7011fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7012fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7013fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 7014fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7015fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 7016fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 7017fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7018fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 7019fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 7020fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7021fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 7022fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7023fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colorspace != RGBColorspace) 70253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) TransformImageColorspace(image,RGBColorspace); 70260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 70283241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 70293241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 70303241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 70313241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 70323241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 70333241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7034a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 7035a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 7036a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 7037a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 7038a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7039a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 7040a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7041a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 7042a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 7043a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 7044a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7045a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 70462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 70472b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 70482b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 70492b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 70502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 70512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 70522b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 70532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 70548640fb5e9b1094f35f8beab436f81661b8a99448glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 7055c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 70568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png8 || LosslessReduceDepthOK(image) != MagickFalse) 70578640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70588640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 70598640fb5e9b1094f35f8beab436f81661b8a99448glennrp 7060c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Normally we run this just once, but in the case of writing PNG8 7061e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 7062e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 7063e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * RGBA palette and run again, and finally to a simple 3-3-2-1 RGBA 7064e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * palette. The final reduction can only fail if there are still 256 7065e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors present and one of them has both transparent and opaque instances. 7066c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 706782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 706882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 7069d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 707082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 7071d337164012450d70d62e71cf4a308a29004f7d57glennrp for (j=0; j<5; j++) 7072d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7073d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* BUILD_PALETTE 7074d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7075d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 7076d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 7077d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7078d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 7079d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 7080d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 7081d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 7082d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 7083d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7084d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * If image->matte is MagickFalse, we ignore the opacity channel 7085d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 7086d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7087d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 7088d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 7089d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 7090d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 7091d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 7092d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 7093d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 70943c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 709552a479ca718756af72f96e127f8256499ab68f76glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 709652a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGK 0 /* Shift */ 709752a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGM 1 /* Scale */ 709852a479ca718756af72f96e127f8256499ab68f76glennrp#elif (MAGICKCORE_QUANTUM_DEPTH == 16) 709952a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGK 8 710052a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGM 0x0101 710152a479ca718756af72f96e127f8256499ab68f76glennrp#else 710252a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGK 24 710352a479ca718756af72f96e127f8256499ab68f76glennrp# define PNGM 0x01010101 710452a479ca718756af72f96e127f8256499ab68f76glennrp#endif 710552a479ca718756af72f96e127f8256499ab68f76glennrp 7106d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ExceptionInfo 7107d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *exception; 71088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7109d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 7110d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 71118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7112d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PixelPacket 7113d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 7114d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 7115d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 71168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7117d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp register IndexPacket 7118d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *indexes; 71198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7120d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp register const PixelPacket 7121d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *s, 7122d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *q; 7123d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7124fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp register PixelPacket 7125fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 7126fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7127d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7128d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7129d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 7130d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7131d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7132d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7133d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7134d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 7135d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7136d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 7137d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7138d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->matte=%.20g",(double) image->matte); 713903812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7140d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 71413c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7142fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 71437ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 71447ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7145d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 71468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7147d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " i (red,green,blue,opacity)"); 71482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7149d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 71507ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 7151d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7152d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7153d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7154d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7155d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7156d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7157d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 71587ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 71592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7160d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 7161d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7162d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 7163d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7164d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7165d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7166d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7167d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7168d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7169d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7170d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 7171d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7172d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7173d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7175d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7176d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 717783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 7178d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 7179d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7180d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " (zero means unknown)"); 71817ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7182d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7183d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Regenerate the colormap"); 7184d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71857ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7186d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp exception=(&image->exception); 7187d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7188d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 7189fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 7190fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 7191fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 71922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7193d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7194d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7195d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 71967ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7197d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7198d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 719997fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 7200d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7201d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7202d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->matte == MagickFalse || q->opacity == OpaqueOpacity) 72038d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7204d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 72058d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7206d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 7207d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7208d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[0]=*q; 7209d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[0].opacity=OpaqueOpacity; 7210d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 7211d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7212d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7213d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 7214d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7215d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(opaque+i, (PixelPacket *) q)) 7216d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7217d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7218d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7219d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_opaque && 7220d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque < 259) 7221d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7222d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 7223d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i] = *q; 7224d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i].opacity = OpaqueOpacity; 7225d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72268d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 72278d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 7228d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (q->opacity == TransparentOpacity) 72298d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7230d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 72318d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7232d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 7233d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7234d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[0]=*q; 7235d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.red=(unsigned short)(q->red); 7236d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.green=(unsigned short) (q->green); 7237d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.blue=(unsigned short) (q->blue); 7238d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.gray=(unsigned short) (q->blue); 7239d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 7240d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7241d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7242d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 7243d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7244d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(transparent+i, (PixelPacket *) q)) 7245d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7246d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7247d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7248d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 7249d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 7250d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7251d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 7252d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[i] = *q; 7253d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72548d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 72558d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 7256d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7257d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7258d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 7259d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7260d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 7261d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7262d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[0]=*q; 7263d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 7264d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72658d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 7266d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 7267d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7268d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(semitransparent+i, 7269d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (PixelPacket *) q) && 7270d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q->opacity == semitransparent[i].opacity) 7271d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7272d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7273d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7274d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 7275d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 7276d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7277d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 7278d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[i] = *q; 7279d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7280d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 7282d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q++; 7283d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7284d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7286d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_exclude_bKGD == MagickFalse) 7287d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7288d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 7289d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 7290d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7291d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 7292d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7293a080bc32a4a8b2ffec83fd836a28753959175363glennrp if (IsColorEqual(opaque+i, &image->background_color)) 7294d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7295d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7296a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7297d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 729803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 7299d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i]=image->background_color; 7300d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i].opacity = OpaqueOpacity; 7301d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 730203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 7303a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 7304a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7305a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 7306d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 73072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7308d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 73093241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7310a080bc32a4a8b2ffec83fd836a28753959175363glennrp if (mng_info->write_png8 != MagickFalse && image_colors > 256) 7311a080bc32a4a8b2ffec83fd836a28753959175363glennrp { 7312a080bc32a4a8b2ffec83fd836a28753959175363glennrp /* No room for the background color; remove it. */ 7313a080bc32a4a8b2ffec83fd836a28753959175363glennrp number_opaque--; 7314a080bc32a4a8b2ffec83fd836a28753959175363glennrp image_colors--; 7315a080bc32a4a8b2ffec83fd836a28753959175363glennrp } 7316a080bc32a4a8b2ffec83fd836a28753959175363glennrp 7317d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7318d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7319d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 7320d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7321d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 73223241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7323d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7324d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7325d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 7326d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 73273241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7328fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 7329d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7330d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 7331d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickFalse; 73323241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7333d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 7334d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7335d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7336d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7337d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 73386185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7339d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7340d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 73416185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7342d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 7343d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 7344d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 73456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7346d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 7347d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7348d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 7349d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7350d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7351d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (s->red != s->green || s->red != s->blue) 7352d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7353d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 7354d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7355d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7356d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7357d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s++; 7358d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7359d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 73603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7361d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7362d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7363d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 7364d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 73656185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7366d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (s->red != 0 && s->red != QuantumRange) 7367d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7368d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7369d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7370d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s++; 7371d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7372d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7373d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7374d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7375d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 73764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 7377d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 7378d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7379d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PixelPacket 7380d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 7381d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7382d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 7383d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 7384d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7385d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7386d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7387d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7388d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 7389d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7390d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 7391d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7392d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 73933241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7394d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 7395d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 73963241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7397d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 7398d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 7399d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7400d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 7401d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 7402d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7403d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7404d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 7405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 7406d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 7408d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 7410d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7411d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 7412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 7413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 7415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7416d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7420d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 7423d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 74263241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 7428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 7429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 7430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 7431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 7432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7433d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 74346185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7435d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 7436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 7438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 74392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7441d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 7442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7443d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 7445d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (AcquireImageColormap(image,image_colors) == 7447d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 7448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ThrowWriterException(ResourceLimitError, 7449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp "MemoryAllocationFailed"); 7450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 7452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 7453d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7454d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7455d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7456d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7457d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 7458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 7459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 7462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7464fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 7465fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1, 7469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp exception); 74703c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7471d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 74733c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7474d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp indexes=GetAuthenticIndexQueue(image); 7475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7476d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7478d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 747903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 7480d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((image->matte == MagickFalse || 7481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i].opacity == q->opacity) && 7482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (IsColorEqual(&image->colormap[i], 7483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (PixelPacket *) q))) 74846185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp indexes[x]=(IndexPacket) i; 7486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 74876185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 748803812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 7489d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q++; 7490d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7491d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7492d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7493d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7495d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7498d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7499d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7500d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 7502d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 7504d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7505d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7506d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " i (red,green,blue,opacity)"); 750783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 7508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 7509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 751072988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 7511d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7512d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7513d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7514d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7515d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7516d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7517d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7518d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 7519d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 75206185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 75216185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 75223c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7523d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 7524d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 7526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 7527d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 75283c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7530d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 75313c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7532d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 7533d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7534d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 7535d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 753603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 7537d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7538d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 75406185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7541d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 7542d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 7544d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 75456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7547d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7548d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 7549a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7550d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7551d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7552d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 7553a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7554d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 7555d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7556d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 7557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7558d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7559d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 75616185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 756203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 756303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 7564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 75653c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7566c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 7567c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7568fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7569c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 7570c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 7571c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 7572c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 7573c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 7574c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7575fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7576c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 7577c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp * opacity to 0 or OpaqueOpacity 7578c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 7579c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (number_semitransparent != 0) 7580c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7581c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7582c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 7583fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7584c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 7585c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7586c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 7587c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp exception); 7588fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7589c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (r == (PixelPacket *) NULL) 7590c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7591fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7592c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 7593c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 759482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->opacity = r->opacity > TransparentOpacity/2 ? 759582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp TransparentOpacity : OpaqueOpacity; 7596c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp r++; 7597c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7598c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 7599c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7600c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7601fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7602c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 7603c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 7604c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 7605c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap[i].opacity = 760682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].opacity > TransparentOpacity/2 ? 760782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp TransparentOpacity : OpaqueOpacity; 7608c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7609c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 7610c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7611c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 7612c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 7613e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 7614e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 7615e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 7616c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 7617d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 7618d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7619d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 7620d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7621d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 7622d337164012450d70d62e71cf4a308a29004f7d57glennrp 7623d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 7624d337164012450d70d62e71cf4a308a29004f7d57glennrp 7625d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.red= 7626d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7627d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.red) >> PNGK) & 0xf0) ) | 7628d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7629d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.red) >> PNGK) & 0xf0) >> 4)) * PNGM; 7630d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.green= 7631d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7632d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.green) >> PNGK) & 0xf0) ) | 7633d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7634d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.green) >> PNGK) & 0xf0) >> 4)) * PNGM; 7635d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.blue= 7636d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7637d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.blue) >> PNGK) & 0xf0) ) | 7638d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7639d337164012450d70d62e71cf4a308a29004f7d57glennrp image->background_color.blue) >> PNGK) & 0xf0) >> 4)) * PNGM; 7640d337164012450d70d62e71cf4a308a29004f7d57glennrp 7641d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 7642d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7643d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 7644d337164012450d70d62e71cf4a308a29004f7d57glennrp 7645d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 7646d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7647d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 7648d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7649d337164012450d70d62e71cf4a308a29004f7d57glennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 7650d337164012450d70d62e71cf4a308a29004f7d57glennrp exception); 7651d337164012450d70d62e71cf4a308a29004f7d57glennrp 7652d337164012450d70d62e71cf4a308a29004f7d57glennrp if (r == (PixelPacket *) NULL) 7653d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 7654d337164012450d70d62e71cf4a308a29004f7d57glennrp 7655d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 7656d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7657d337164012450d70d62e71cf4a308a29004f7d57glennrp if (r->opacity == TransparentOpacity) 7658d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7659d337164012450d70d62e71cf4a308a29004f7d57glennrp r->red = image->background_color.red; 7660d337164012450d70d62e71cf4a308a29004f7d57glennrp r->green = image->background_color.green; 7661d337164012450d70d62e71cf4a308a29004f7d57glennrp r->blue = image->background_color.blue; 7662d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7663d337164012450d70d62e71cf4a308a29004f7d57glennrp else 7664d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7665d337164012450d70d62e71cf4a308a29004f7d57glennrp r->red= 7666d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) r->red) >> PNGK) & 0xf0) ) | 7667d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) r->red) >> PNGK) & 0xf0) >> 4)) * PNGM; 7668d337164012450d70d62e71cf4a308a29004f7d57glennrp r->green= 7669d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) r->green) >> PNGK) & 0xf0) ) | 7670d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) r->green) >> PNGK) & 0xf0) >> 4)) * PNGM; 7671d337164012450d70d62e71cf4a308a29004f7d57glennrp r->blue= 7672d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) r->blue) >> PNGK) & 0xf0) ) | 7673d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) r->blue) >> PNGK) & 0xf0) >> 4)) * PNGM; 7674d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7675d337164012450d70d62e71cf4a308a29004f7d57glennrp r++; 7676d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7677d337164012450d70d62e71cf4a308a29004f7d57glennrp 7678d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7679d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 7680d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7681d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7682d337164012450d70d62e71cf4a308a29004f7d57glennrp 7683d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 7684d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 7685d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7686d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 7687d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7688d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 7689d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 7690d337164012450d70d62e71cf4a308a29004f7d57glennrp { 7691d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].red= 7692d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7693d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].red) >> PNGK) & 0xf0) ) | 7694d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7695d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].red) >> PNGK) & 0xf0) >> 4)) * PNGM; 7696d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].green= 7697d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7698d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].green) >> PNGK) & 0xf0) ) | 7699d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7700d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].green) >> PNGK) & 0xf0) >> 4)) * PNGM; 7701d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].blue= 7702d337164012450d70d62e71cf4a308a29004f7d57glennrp ((((((size_t) 7703d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].blue) >> PNGK) & 0xf0) ) | 7704d337164012450d70d62e71cf4a308a29004f7d57glennrp (((((size_t) 7705d337164012450d70d62e71cf4a308a29004f7d57glennrp image->colormap[i].blue) >> PNGK) & 0xf0) >> 4)) * PNGM; 7706d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7707d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7708d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 7709d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7710d337164012450d70d62e71cf4a308a29004f7d57glennrp 771182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 771282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 771382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 771482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 771582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 771682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 771782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 771882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 771982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.red= 772082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 772182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.red) >> PNGK) & 0xe0) ) | 772282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 772382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.red) >> PNGK) & 0xe0) >> 3) | 772482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 772582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.red) >> PNGK) & 0xc0) >> 6)) * PNGM; 772682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.green= 772782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 772882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.green) >> PNGK) & 0xe0) ) | 772982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 773082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.green) >> PNGK) & 0xe0) >> 3) | 773182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 773282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.green) >> PNGK) & 0xc0) >> 6)) * PNGM; 773382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.blue= 773482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 773582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.blue) >> PNGK) & 0xe0) ) | 773682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 773782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.blue) >> PNGK) & 0xe0) >> 3) | 773882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 773982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->background_color.blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 774082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 774182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 774282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7743e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 774482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 774582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 774682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 774782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 774882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 774982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 775082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp exception); 775182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 775282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (r == (PixelPacket *) NULL) 775382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 775482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 775582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 775682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 775782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (r->opacity == TransparentOpacity) 775882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 775982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->red = image->background_color.red; 776082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->green = image->background_color.green; 776182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->blue = image->background_color.blue; 776282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 776382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else 776482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 776582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->red= 776682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->red) >> PNGK) & 0xe0) ) | 776782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->red) >> PNGK) & 0xe0) >> 3) | 776882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->red) >> PNGK) & 0xc0) >> 6)) * PNGM; 776982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->green= 777082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->green) >> PNGK) & 0xe0) ) | 777182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->green) >> PNGK) & 0xe0) >> 3) | 777282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->green) >> PNGK) & 0xc0) >> 6)) * PNGM; 777382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->blue= 777482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->blue) >> PNGK) & 0xe0) ) | 777582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->blue) >> PNGK) & 0xe0) >> 3) | 777682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 777782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 777882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r++; 777982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 778082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 778182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 778282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 778382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 778482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 778582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 778682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 778782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 778882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 778982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 779082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7791e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 779282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 779382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 779482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].red= 779582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 779682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].red) >> PNGK) & 0xe0) ) | 779782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 779882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].red) >> PNGK) & 0xe0) >> 3) | 779982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 780082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].red) >> PNGK) & 0xc0) >> 6)) * PNGM; 780182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].green= 780282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 780382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].green) >> PNGK) & 0xe0) ) | 780482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 780582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].green) >> PNGK) & 0xe0) >> 3) | 780682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 780782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].green) >> PNGK) & 0xc0) >> 6)) * PNGM; 780882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].blue= 780982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) 781082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].blue) >> PNGK) & 0xe0) ) | 781182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 781282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].blue) >> PNGK) & 0xe0) >> 3) | 781382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) 781482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp image->colormap[i].blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 781582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 7816d337164012450d70d62e71cf4a308a29004f7d57glennrp } 7817d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 781882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 7819c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 7820c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors == 0 || image_colors > 256) 7821c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7822c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 7823c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7824c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 7825c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 7826c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->background_color.red= 7827770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7828770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.red) >> PNGK) & 0xe0) ) | 7829770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7830770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.red) >> PNGK) & 0xe0) >> 3) | 7831770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7832770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.red) >> PNGK) & 0xc0) >> 6)) * PNGM; 7833c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->background_color.green= 7834770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7835770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.green) >> PNGK) & 0xe0) ) | 7836770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7837770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.green) >> PNGK) & 0xe0) >> 3) | 7838770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7839770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.green) >> PNGK) & 0xc0) >> 6)) * PNGM; 7840c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->background_color.blue= 7841770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7842770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.blue) >> PNGK) & 0xc0) ) | 7843770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7844770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.blue) >> PNGK) & 0xc0) >> 2) | 7845770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7846770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.blue) >> PNGK) & 0xc0) >> 4) | 7847770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7848770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->background_color.blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 7849fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7850c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 7851c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7852e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 7853fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7854c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 7855c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7856c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 7857c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7858c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 7859c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp exception); 78608d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 7861c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (r == (PixelPacket *) NULL) 7862c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7863c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 7864c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 7865c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 786682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (r->opacity == TransparentOpacity) 786782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 786882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->red = image->background_color.red; 786982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->green = image->background_color.green; 787082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->blue = image->background_color.blue; 787182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 787282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else 787382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 787482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->red= 787582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->red) >> PNGK) & 0xe0) ) | 787682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->red) >> PNGK) & 0xe0) >> 3) | 787782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->red) >> PNGK) & 0xc0) >> 6)) * PNGM; 787882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->green= 787982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->green) >> PNGK) & 0xe0) ) | 788082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->green) >> PNGK) & 0xe0) >> 3) | 788182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->green) >> PNGK) & 0xc0) >> 6)) * PNGM; 788282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp r->blue= 788382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp ((((((size_t) r->blue) >> PNGK) & 0xc0) ) | 788482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->blue) >> PNGK) & 0xc0) >> 2) | 788582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->blue) >> PNGK) & 0xc0) >> 4) | 788682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (((((size_t) r->blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 788782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 788852a479ca718756af72f96e127f8256499ab68f76glennrp r++; 7889c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7890fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7891c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7892c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7893c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7894c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7895c722dd852e8abe407c2846d39662f7ade9c234deglennrp 7896c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 7897c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 7898c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 7899c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 7900c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7901e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 7902c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 7903c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 790452a479ca718756af72f96e127f8256499ab68f76glennrp image->colormap[i].red= 7905770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7906770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].red) >> PNGK) & 0xe0) ) | 7907770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7908770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].red) >> PNGK) & 0xe0) >> 3) | 7909770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7910770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].red) >> PNGK) & 0xc0) >> 6)) * PNGM; 791152a479ca718756af72f96e127f8256499ab68f76glennrp image->colormap[i].green= 7912770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7913770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].green) >> PNGK) & 0xe0) ) | 7914770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7915770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].green) >> PNGK) & 0xe0) >> 3) | 7916770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7917770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].green) >> PNGK) & 0xc0) >> 6)) * PNGM; 791852a479ca718756af72f96e127f8256499ab68f76glennrp image->colormap[i].blue= 7919770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp ((((((size_t) 7920770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].blue) >> PNGK) & 0xc0) ) | 7921770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7922770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].blue) >> PNGK) & 0xc0) >> 2) | 7923770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7924770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].blue) >> PNGK) & 0xc0) >> 4) | 7925770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp (((((size_t) 7926770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp image->colormap[i].blue) >> PNGK) & 0xc0) >> 6)) * PNGM; 7927c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7928c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7929c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 7930c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 7931c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 7932fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7933fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 7934fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7935fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 7936fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 7937fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 7938fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 79390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 79400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 79410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 79420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp int colortype=mng_info->write_png_colortype; 79430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 79440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 79450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 79460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 79470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 79480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 79490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 79508d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 79518d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp mng_info->write_png_colortype != (ssize_t) colortype) 79520e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 79530b206f5daa453dc1035db5890cabc899736dc2d0glennrp 79540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 79550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 7956fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 7957fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 7958fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 79595a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 79605a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 79615a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 7962fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 79635a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 79645a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 7965fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7966fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 7967fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7968fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 7969fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7970fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7971fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 7972fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 7973fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7974fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ExceptionInfo 7975fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *exception; 7976fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7977fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp register const PixelPacket 7978fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 7979fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7980fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp exception=(&image->exception); 7981fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7982fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 7983fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7984fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 7985fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7986fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (q == (PixelPacket *) NULL) 7987fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7988fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7989fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 7990fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7991fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (q->opacity != TransparentOpacity && 7992fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->red == ping_trans_color.red && 7993fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->green == ping_trans_color.green && 7994fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->blue == ping_trans_color.blue) 7995fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7996fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7997fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7998fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7999fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8000fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q++; 8001fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8002fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8003fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8004fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8005fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8006fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8007fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8008fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8009fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Assuming that image->colormap[0] is the one transparent color 8010fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and that all others are opaque. 8011fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 8012fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 8013fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (i=1; i<image_colors; i++) 8014fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->colormap[i].red == image->colormap[0].red && 8015fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].green == image->colormap[0].green && 8016fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].blue == image->colormap[0].blue) 8017fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8018fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8019fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 8020fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8021fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8022fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8023fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8024fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8025fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8026fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8027fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 8028fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8029fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8030fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8031fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 8032fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8033fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 8034fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 8035fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 8036fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 80373c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 80383c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 80393c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 80403c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 8041f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 80423c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 804383c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 80440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 80451273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp image_colors <= 256 && image->colormap != NULL; 80463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 804752a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 804852a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 804952a479ca718756af72f96e127f8256499ab68f76glennrp { 805052a479ca718756af72f96e127f8256499ab68f76glennrp image_info=DestroyImageInfo(image_info); 805152a479ca718756af72f96e127f8256499ab68f76glennrp image=DestroyImage(image); 805215e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp (void) ThrowMagickException(&IMimage->exception, 805315e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp GetMagickModule(),CoderError, 805415e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 805515e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "`%s'",IMimage->filename); 805652a479ca718756af72f96e127f8256499ab68f76glennrp#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 805752a479ca718756af72f96e127f8256499ab68f76glennrp UnlockSemaphoreInfo(ping_semaphore); 805852a479ca718756af72f96e127f8256499ab68f76glennrp#endif 805952a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 806052a479ca718756af72f96e127f8256499ab68f76glennrp } 806152a479ca718756af72f96e127f8256499ab68f76glennrp 80623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 80633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 80643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 80653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 80663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,image, 8067cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 8068cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 80690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 80713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,image, 8072cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 80730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 80753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 80763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 80770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 80790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 80813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 80833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 80843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 8087cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 80883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 80895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 80903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 80923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 80933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 80943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 80953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 80963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 80973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 80983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 80993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 8100cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 81013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8102da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (ping_have_blob != MagickFalse) 8103b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 8104b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 8105b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 81063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 81073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 81093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 81103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 81113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 81123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 81133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 81142b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 81163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 81173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 81183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 81192b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 81213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 81222b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 81242b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81254e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 81264e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 81272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 81293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 81300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 81323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 81330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 81353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 81363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 81370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 81393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 81400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 81423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 81430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8147e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 81483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8149e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 81503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8151e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 81523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81538640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 81543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81558640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 81563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81578640fb5e9b1094f35f8beab436f81661b8a99448glennrp 81583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 81595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 8160dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 816126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 81623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 816326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 816426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 81653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->x_resolution != 0) && (image->y_resolution != 0) && 81663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 81673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 8169dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8170dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 81713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 81733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8174dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 8175823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 8176823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (png_uint_32) ((100.0*image->x_resolution+0.5)/2.54); 8177823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 8178823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (png_uint_32) ((100.0*image->y_resolution+0.5)/2.54); 81793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8180dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 81813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 81823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8183dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 8184823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution+0.5); 8185823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution+0.5); 81863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8187991d11dd9c33e65872778b81aff1347cd2878154glennrp 81883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 81893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8190dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 8191dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) image->x_resolution; 8192dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) image->y_resolution; 81933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8194991d11dd9c33e65872778b81aff1347cd2878154glennrp 8195823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 8196823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8197823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 8198823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 8199823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 8200991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 82013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 820226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 82033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8204a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 820526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 820626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 8207a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 82083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8209a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 8210a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 8211a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 8212a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 8213a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 8214a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 82150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8216a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 8217a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 82180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8219a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 8220a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 82210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8222a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 8223a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 82240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8225a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 8226a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 82270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8228a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 8229a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 82300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8231a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 8232a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 82330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 82340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 82363b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 82373b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82383b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 82393b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 82403b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82413b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 82423b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 82430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 824526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 82463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 82483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 82493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 82503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 82513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 82520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82531273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 82543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8256fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 82570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 82580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 82608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 82618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 82620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 82640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 82650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 82660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 82670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 82690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 8271f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 82720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 82740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 82750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 82760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 82770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 82780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 82790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if MAGICKCORE_QUANTUM_DEPTH == 8 82810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 82823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 82830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %5ld (%5d,%5d,%5d)", 82843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 82850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 82863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 82882b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 82898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 82908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 82918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 82925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 829358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 82948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 82950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 82960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 82970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 82980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 82998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 83003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 83028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 83030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83052cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 83068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 83070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 83090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 83100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 83128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 83138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 83140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83151273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 83164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 83171273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 83181273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 83191273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 83201273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 83214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 83224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 83234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 83240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 83264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 83273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 83280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png24) 83303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 83325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 83333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png32) 83363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 83385af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 83393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 83423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 83440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 83463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 83480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 83505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 83513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 83522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 83538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 83548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 83557c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 83567c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 83577c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83587c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 83593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83617c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 83623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 83643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83653c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 83660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8367d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 83688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 83690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8370d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 83713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 83733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 83743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8376d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 83773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 83793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 83803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83825aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 83835aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 83845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 83855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 83867c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 83877c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (image_info->type == UndefinedType || 83887c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp image_info->type == OptimizeType)) 83893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83905aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 83918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 83925aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 83935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 83945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 83955aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 83965aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 83970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83980b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 83995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 84005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 84015aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 84025aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 84038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 84045aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 84055aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 84065aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 84075aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 84085aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 84095aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 84105aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 84118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 84120b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 84135aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 84145aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 84155aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 84165aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 84175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 84180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 84195aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 84203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 842326c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84248640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 842526c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 84265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 84270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 84280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 84290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 84300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 84310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 84320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 84333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8434d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 8435d6bf1617e99df0272b231855a933a74e99b6578fglennrp 84365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 84373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84388d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (image->matte == MagickFalse && ping_have_non_bw == MagickFalse) 84398d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 84403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84418640fb5e9b1094f35f8beab436f81661b8a99448glennrp 84425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 84433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 844435ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 84455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 84460f111984738842d27d04aed2a3f823d82a943506glennrp 84470f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 84480f111984738842d27d04aed2a3f823d82a943506glennrp { 84490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 8450c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) ThrowMagickException(&image->exception, 84510f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 8452c70af4ac292f8db9a1ab488318912894d412cb8cglennrp "image has 0 colors", "`%s'",""); 84530f111984738842d27d04aed2a3f823d82a943506glennrp } 84540f111984738842d27d04aed2a3f823d82a943506glennrp 845535ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 84565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 8457d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 84583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8459d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 8460d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8461d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8462d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 84630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8464d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8465d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 8466d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 84670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8468d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 8469d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 84703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 84725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 84732b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 84743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8477e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 84780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8480e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 84810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8483e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 84840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 84878640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 84888640fb5e9b1094f35f8beab436f81661b8a99448glennrp 84898640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8490e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 84913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 849358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 84943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 84964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 84977c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 84987c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 84997c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 85002b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 85017c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 85027c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 85037c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 85042b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 85053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 85064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 85073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 85084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 85094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 85114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 85124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 8513a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 85144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 85157c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 85167c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 85177c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 85184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 85214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 85231273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp mask; 85243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 85260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 85284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 85290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 85314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 85320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 85344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 85350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 85374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 85380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 85404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 85410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 85434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 85440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 85464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 85470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 85494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(PixelIntensityToQuantum( 85504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 85510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 85530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 85554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 85584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 8560fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 8561fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 8562fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 8563fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8564fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 85654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85662b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 85674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 85684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85697c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 85707c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 85710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 85734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 85754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 85764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 85774f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 85784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 85814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 85824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 85833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 85843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 85865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 85875af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 85885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 85893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85928640fb5e9b1094f35f8beab436f81661b8a99448glennrp 85933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 85940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85952e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 85963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 85970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 859839992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 85993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 86008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 86018d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 86023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 860335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 86040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 86069c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 86070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86087c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 86093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 86114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 86123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 86134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 86144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 86154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 86164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 86184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 86194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 86204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 86213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 86243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 86250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8626272f23a9dfc9a9104b8cd180c97afba2d20c6683cristy if ((image_colors == 0) || ((ssize_t) image_colors-1 > MaxColormapSize)) 8627f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 86280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 86305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 86310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 86333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 86355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 86363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 86383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 86400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 864135ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 8642bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 86435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 86443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 86470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 86480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 86493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 86503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 86521a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 86533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 86543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 86553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 86563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 86573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8658bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 86593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 86613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 86623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 86643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 86663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 86673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 86683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 86694bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 86703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 86713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86722b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 86733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 86749c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 86750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 86779c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 86780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 86809c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 86813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86832b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 86845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 86853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 86880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 86903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 869117a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 869217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 86933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 86943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 86973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 86990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 870058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 87013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87029c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 87030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87043b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 87059c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87069c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 87073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8711bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 87123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 87143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 87153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 87163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87183b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 87193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 872098156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 8721f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 87220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 872339992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 87243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 8727d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 87283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8729befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 8730befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 8731befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 87325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 8733befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 87340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8735befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy while ((one << ping_bit_depth) < number_colors) 87365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 87373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 87400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 874158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 87420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 87430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 8744d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 8745d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 87460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 87473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8748d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 8749d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 87503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 87520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 87530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8754d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 87550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8756c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8757c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8758c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8759c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 8760c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8761d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 8762d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8763d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 8764d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8765d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_trans_alpha[i]= (png_byte) (255- 8766d6bf1617e99df0272b231855a933a74e99b6578fglennrp ScaleQuantumToChar(image->colormap[i].opacity)); 8767d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 87680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 87690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 87703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 87743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8775c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 87763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 87773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 87780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 87803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 87824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 87834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87844f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 87854f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 87864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 87874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 87884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 87894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 87905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 87915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 87925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 87935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 87944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 87954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 87964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 87974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 87994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 88004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 88014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 88024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 88033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88064383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 88074383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 88082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 88093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 88103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 88113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 88125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 88133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 88143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 88153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 88163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 88173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 881835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 881935ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 882035ef824baa82511126ff0072ae30eee0da9c05a3cristy 882122ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 88223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 882426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 88253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8826a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.gray=(png_uint_16) 88273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (QuantumScale*(maxval*(PixelIntensity(&image->background_color)))); 88283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 88303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88313c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Setting up bKGD chunk (2)"); 88323b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 8833991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 883426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 88353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) (QuantumScale*(maxval* 88375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray)); 88383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 883917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 884026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 884126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 88421273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 884317a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 884417a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 884517a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 884617a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 884717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 884817a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 884917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8850a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 8851a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 885217a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 885317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 885417a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 885517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 88563b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 88570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 88580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 88600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8861a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 886213d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 8863a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 88640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 88653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 88663b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 88670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 88680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 88700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 88710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 88720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 88730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8874a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 887517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8876d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 88773c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 88783b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 88793b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 88813c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 88823c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 888317a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 888426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 888517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 88863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 88873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 88893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 88903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 88913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 88923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 88930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 88940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 88960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 88990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 89000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 89020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 89060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_mem_level(ping, 9); 89080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 89103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 89110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quality > 9) 89133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 89153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 89163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8917bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 89180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression level: %d",level); 89220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_level(ping,level); 89243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 89273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression strategy: Z_HUFFMAN_ONLY"); 89310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_strategy(ping, Z_HUFFMAN_ONLY); 89333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up filtering"); 89383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89392b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 89403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* This became available in libpng-1.0.9. Output must be a MNG. */ 89413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && ((quality % 10) == 7)) 89423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: PNG_INTRAPIXEL_DIFFERENCING"); 89460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 89483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 89513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: 0"); 89543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 89552b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 89583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter; 89593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((quality % 10) > 5) 89618640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 89620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89638640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 89648640fb5e9b1094f35f8beab436f81661b8a99448glennrp if ((quality % 10) != 5) 89653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter=(int) quality % 10; 89660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89678640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 89688640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 89695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 89703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (quality < 50)) 89718640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_NO_FILTERS; 89720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89738640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 89748640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 89750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 89773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (base_filter == PNG_ALL_FILTERS) 89793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: ADAPTIVE"); 89813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 89823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 89833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: NONE"); 89843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89852b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 89863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,base_filter); 89873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8989823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if ((ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) && 8990823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 8991c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8992c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 8993c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 89943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8995c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 89960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8997c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 8998c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8999c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 9000c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 9001c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 900226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9003c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 9004c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 9005c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9006c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_set_iCCP(ping,ping_info,(const png_charp) name,0, 9007e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 9008c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 9009e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 9010e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 9011e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 9012c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 9013c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 901426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9016c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 90173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9018c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 9019c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9020cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 9021c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 9022c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 9023c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 9024c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9025c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 90260b206f5daa453dc1035db5890cabc899736dc2d0glennrp 9027c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9028c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9029c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 90300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9031c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 9032c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 90333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 90353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 90373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 90383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 904026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 904126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 904226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 904326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 904426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 904526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 904626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 904726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 90480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 904926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 9050cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 9051cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 90520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 905326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_gAMA == MagickFalse) 905426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_gAMA(ping,ping_info,0.45455); 905526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 905726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 90585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 90593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90612cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 90622cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 906326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 906426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 90653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 90663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 90693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 90703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 90743b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 90763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 907726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 90782b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 907926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 90803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 908126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 908226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 908326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 908426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 908526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 908626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 908726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 908826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 908926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 909026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 909126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 909226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 909326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 909426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 909526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 909626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 909726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 909826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 909926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 910026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 910126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 910226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 910326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 910426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 910526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 910626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 91073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9108dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 91095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 91103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 91123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Bail out if cannot meet defined PNG:bit-depth or PNG:color-type */ 91153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9116d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 91173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 91198d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 91203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 91222b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 91235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 91245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 91253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 91288d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 91295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 91303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 91330e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 91345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 91353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 91365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 9137991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 91380e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 91393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 91430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 91440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 91460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 91470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 91493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth=%u, Computed depth=%u", 91523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 91535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 91543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 91573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type=%u, Computed color type=%u", 91603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 91615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 91623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91653bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 91663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Cannot write image with defined PNG:bit-depth or PNG:color-type."); 91673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 916958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (image_matte != MagickFalse && image->matte == MagickFalse) 91703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 91723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 91733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageOpacity(image,0); 91740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9175b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 9176b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9177b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 91783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91800e319739731741c52a6303723e0c8678a0df5579glennrp if (number_transparent != 0 || number_semitransparent != 0) 9181e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 9182991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 9183c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 9184991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 9185c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 9186c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9187c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 9188c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 9189e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 9190e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 91913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 91923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 91943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 91965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 91975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 91985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 91995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 920039992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 920139992b4dd9b12ef752d55b8e402c069698851f72glennrp { 9202f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 92030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92043b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 920539992b4dd9b12ef752d55b8e402c069698851f72glennrp { 92068640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 92070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 9208d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 92090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9210d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 9211d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 92120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 92130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 92140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 9215d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 92160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 92170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 92180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9219d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 92200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 92210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 92220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 92230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 92240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 922539992b4dd9b12ef752d55b8e402c069698851f72glennrp } 922639992b4dd9b12ef752d55b8e402c069698851f72glennrp } 922739992b4dd9b12ef752d55b8e402c069698851f72glennrp 922826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 922926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 923026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 923126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 923226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 9233991d11dd9c33e65872778b81aff1347cd2878154glennrp 923426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 9235dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 923626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 923726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 923826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 923926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 924026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 924126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 9242823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 9243823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging) 9244823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 9245823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9246823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 9247823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9248823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 9249823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 9250823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9251823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 9252823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 9253823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9254823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 9255823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 9256823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 925726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 9258dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 9259dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 9260dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 92614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 9262dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 926326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 926426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 926526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 926626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 9267dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 926826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 926926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 927026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 927126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 927226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 9273dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 9274dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 9275dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 9276da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 9277da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 9278da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception) == 9279da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 9280da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 9281da8f3a7bfddac2680a3069a490db541e7944edafglennrp 9282da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 9283da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 9284da8f3a7bfddac2680a3069a490db541e7944edafglennrp 92853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 9286991d11dd9c33e65872778b81aff1347cd2878154glennrp 928739992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 9288991d11dd9c33e65872778b81aff1347cd2878154glennrp { 92893b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 92900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 92910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 92930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9294991d11dd9c33e65872778b81aff1347cd2878154glennrp 92950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 92960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 92970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 92980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 92990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 9300991d11dd9c33e65872778b81aff1347cd2878154glennrp 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 93020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 93030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 93040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 93050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 93060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 93070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 93090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 93100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9311c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 93120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 93130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 93140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 93150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 93160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 93170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 9318991d11dd9c33e65872778b81aff1347cd2878154glennrp 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 9320cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 9321da8f3a7bfddac2680a3069a490db541e7944edafglennrp 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 9323991d11dd9c33e65872778b81aff1347cd2878154glennrp 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 9325cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 932726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 93283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 93304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 933126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 933226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 933326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 933426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 933526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 933626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 933703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 933826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 933926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 934026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 934126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 934226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 934326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 93479c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 93483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 93499c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 93503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 93513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 93543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 93563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 9358b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 9359b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 93607202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9362b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 93633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 9364b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 93650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9366b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 9367b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 9368b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 93690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9370b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 93713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 9372b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 93730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9374b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 9375b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 93763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93773b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 93783b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9380b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9381b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 93820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9383b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9384e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 93853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9386cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 9387cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 93880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9389cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 93903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93955af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 94013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 94023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 94033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 94053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 9407cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 9408cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 94093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9410cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 94113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9412da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (ping_have_blob != MagickFalse) 9413b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9414b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9415b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 94173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9418ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 9419ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 9420ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 94213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 94248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 94253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 94268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 94278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 94298d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 94308d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 94313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 94343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 94350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 94373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9442bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 94453b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94463b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 9447a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 94483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 94490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 94513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 94520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 94543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9456cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 94603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 9462bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 9463cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 94643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 94653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9471cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 94723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 9475bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 9476cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 94773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 94780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94793b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9480b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9481b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 94820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9483cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 94843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 94893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 94953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 94973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 949858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 94995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 95008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 95013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 95038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 95040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 95063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 9508bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 95093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 95112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 95133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 95142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 95163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 95183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9519cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 95202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9523cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 95242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 95268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 95283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 9531b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 95323b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9533b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 95352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9537cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels,&image->exception); 9538b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 95392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95403b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9541b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 95432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9544cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 95453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 95462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 95488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 95508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 95518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 95528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 95573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 95598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 95600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 95623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 95638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 95648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 95658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 95668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 9568b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 95698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1, 95708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 95712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 95738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 95742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 95768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 95788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9579cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 95802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 95828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9583cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 95848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 95878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9589cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 95908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 95912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 95938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 95958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95962cc891a179d622dde7bbb8854138851e828bc6eaglennrp 95978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 95988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9599cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RGBAQuantum,ping_pixels,&image->exception); 96002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9603cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RGBQuantum,ping_pixels,&image->exception); 96042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96053b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9606b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 96082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9609cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 9610b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 96118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 96158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 96168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 96178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 96198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 96208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 96228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 96242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 96268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 96278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96282cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 96308640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 96318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 96328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 96342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9635770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp p=GetVirtualPixels(image,0,y,image->columns,1, 9636770d193edfaf07ccf8d1947f6c3c6ee45fa65971glennrp &image->exception); 96372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 96398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 96402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 964244757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 96434bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 96444bf89731a90c6e03598950223e19e7be7b95d630glennrp 964544757ab033a4bc1f272fb26c9a46325ca01a5482glennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9646cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 964744757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 96482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 96508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 96528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 96542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9656cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 9657d6bf1617e99df0272b231855a933a74e99b6578fglennrp &image->exception); 96588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 9662179d075d718a6da568c3600b7e6b159b8a293b41glennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 96635eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp quantum_info,IndexQuantum,ping_pixels,&image->exception); 96642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96655eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 96665eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 96675eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96681a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 96695eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 96705eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96715eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 96725eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 96735eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 96748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 9675cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 96768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 96808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 96828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 96838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 96848640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 96853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 9689b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 9690b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 96913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9695b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 96960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9698e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 96990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9701e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 97020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 97043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth: %d",mng_info->write_png_depth); 97073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 97110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 97133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type: %d",mng_info->write_png_colortype-1); 97163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 97200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 97233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Generate text chunks. 97263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9727823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 97283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 972926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 973026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 973126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 973226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 973326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 973426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 97352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 973626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp value=GetImageProperty(image,property); 9737823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_pHYs != MagickFalse || 9738147bc91f6859c598c4f57b6a162111b2f63614d9glennrp LocaleNCompare(property,"png:",4) != 0 || 9739823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 9740823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"units") != 0) 974126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9742c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 9743c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 9744c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 9745c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 9746c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 9747c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 97482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9749c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 9750c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 97512cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9752c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 9753c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 97542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9755c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 975626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9757c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 9758c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 9759c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 9760c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 976126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 97622cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9763c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 9764c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 9765c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9766c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 9767c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 9768c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9769c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " keyword: %s",text[0].key); 9770c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 9771c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 9772c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 9773c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 9774c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 977526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 977626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 977726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 97783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 9781cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 97823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 97860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 97880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 97903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 97925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 97935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 97943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 97963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 98023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 980303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 98043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 98053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 98063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 98083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 98093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 98103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 98113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 98123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 98133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 98145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 98153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 98163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 98175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 98183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 98193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 98203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 98213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 98253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 98263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 98283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 9829c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) ThrowMagickException(&image->exception,GetMagickModule(), 98303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 9831c70af4ac292f8db9a1ab488318912894d412cb8cglennrp "`%s'",image->filename); 98320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 98353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 98373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 98383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9839cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 98403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9842cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 98433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 98443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9845da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (ping_have_blob != MagickFalse) 9846b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9847b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9848b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9849b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 9850b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9851b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 9852b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 9853b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 9854b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9855b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) SetImageProperty(IMimage,"png:bit-depth-written",s); 9856b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 98573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 98583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 98600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 98623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 98633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 98643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 98663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 98673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 98743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 98753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 98773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 98783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 98803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 98843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 98863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 98883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 98903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 98923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 98943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 98963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 98973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pseudo-formats which are subsets of PNG: 98983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 98995a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 99005a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 99023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 99035a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 99045a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 9905e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 9906e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 3-3-3-1, or 3-3-2-1 palette. 9907e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 9908e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 9909e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 99105a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 99115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 99123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 99135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 99145a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 99155a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 99163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 99183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 99195a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 99205a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 99215a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 99225a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 99235a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 99243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 99273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 99280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 99295a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 99305a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 99333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 99343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 9935bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 9936bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 9937bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 99403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 99503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99555a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% If the image cannot be written without loss with the requested bit-depth 99565a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% and color-type, a PNG file will not be written, and the encoder will 99575a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% return MagickFalse. 99585a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 99593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 99625a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 99635a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% or transparency limitations. 99643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% TODO: Enforce the previous paragraph. 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 99683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 99793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 9980bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 9981bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 99853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 9986bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9988bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 99903241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 99910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 9992d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 99930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 99940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 99950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 9996cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 99970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 9998d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 9999d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 10000d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% requested via the "-define PNG:bit-depth=N" option. 10001d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 10002d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 10003d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 10004d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 100050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 100073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 100083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image *image) 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 100113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1001221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1001321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1001421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 100153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 100163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 100183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 1002421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 100255c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 100265c7cf4e469a4dad7e277783749155932252c52dfglennrp 100273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 100293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 100323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 100343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 10035fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 100363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 100383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1004073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 100410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 100433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 100440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 100473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 100493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 10050a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 100513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 100523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 100563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 100583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 100603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100619c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 100629c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 100639c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 100643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 100673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100689c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 100699c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 100709c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 100710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100729c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 100739c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 100740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100759c1eb0729653219b9da9037e044501a6dce79d10glennrp else 100769c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 100770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100789c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 100793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 100823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100839c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 100849c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 100859c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 100860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100879c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 100889c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 100890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100909c1eb0729653219b9da9037e044501a6dce79d10glennrp else 100919c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 100920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100939c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 100978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 100983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 100993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 101019c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 101020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 101049c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 101050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 101079c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 101080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 101109c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 101110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 101139c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 101140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10115bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 10116bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 10117bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 10118bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 10119bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 10120bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 101213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101229c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10123bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 101270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 101329c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 101330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 101359c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 101360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 101389c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 101390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 101419c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 101420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 101449c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 101450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10146bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 10147bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 10148bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 10149bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 10150bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 10151bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 101523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101539c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10154d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 101553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 101580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101590dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 101600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 101610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Chunks can be listed for exclusion via a "PNG:exclude-chunk" 101630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 101640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 101650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 101660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 101670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 101690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * A "PNG:include-chunk" define takes priority over both the 101710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * mng_info and the "PNG:exclude-chunk" define. Like the 101720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 101730dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 101740dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 101750dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 101760dff56c31fb2f5daa9744018ca533e387c246afcglennrp * appear in the "include-chunk" list. 101770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 101790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 101800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 101810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 101830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 101840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 101850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 101870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 101880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 101890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 101900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * artifact to "none,gama". 101910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 101920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1019326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1019426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 1019526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1019626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1019726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1019826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1019926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1020026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1020126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1020226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 10203a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1020426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1020526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1020626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1020726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1020803812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 1020903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 102105c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 102115c7cf4e469a4dad7e277783749155932252c52dfglennrp { 102125c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 10213acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 102145c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 10215acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 10216acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 10217acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 10218acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 102195c7cf4e469a4dad7e277783749155932252c52dfglennrp else 10220acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 102215c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 1022226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 10223acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 10224acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 10225acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 10226acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1022703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1022803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1022926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1023003812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1023103812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1023226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1023303812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1023426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1023503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 102362cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 102372cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 102382cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102392cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 102402cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 102412cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102422cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 102432cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1024403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1024503812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1024603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1024703812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1024803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1024903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1025003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1025103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1025203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1025303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 1025403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1025503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1025603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1025703812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1025803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1025903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1026003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1026103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 10262a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1026303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1026403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1026503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1026603812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1026703812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 102682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1026903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1027003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1027103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1027203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 1027303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1027403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1027503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1027603812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1027703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1027803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1027903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1028003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 10281a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1028203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1028303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1028403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1028503812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 102862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1028703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1028803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 102892cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1029003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1029103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 102922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1029303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1029403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 102952cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1029603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1029703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 102982cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1029903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1030003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 103012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1030203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1030303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1030403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 1030503812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 103062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1030703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1030803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 103092cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1031003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1031103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 103122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1031303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1031403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 103152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10316a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 10317a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 103182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1031903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1032003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 103212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10322a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 10323a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 10324a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1032503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1032603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 103272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1032803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1032903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 103302cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1033103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1033203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 103332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1033403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 10335ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1033626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1033726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 103385c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 103395c7cf4e469a4dad7e277783749155932252c52dfglennrp { 103405c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 10341acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 103425c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 10343acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 10344acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 10345acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 10346acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 103475c7cf4e469a4dad7e277783749155932252c52dfglennrp else 10348acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 103495c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 1035026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 10351acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 10352acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 10353acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 10354acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 1035503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 1035603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1035703812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 1035803812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 1035926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1036003812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 1036126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1036203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 103632cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 103642cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 103652cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103662cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 103672cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 103682cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103692cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 103702cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1037103812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1037203812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 1037303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 1037403812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 1037503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1037603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 1037703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1037803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 1037903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 1038003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 1038103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 1038203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 1038303812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1038403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 1038503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 1038603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 1038703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 10388a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1038903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 1039003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 1039103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 1039203812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 1039303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 103942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1039503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 1039603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 1039703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 1039803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 1039903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 1040003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1040103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1040203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1040303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1040403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1040503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1040603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 10407a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1040803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1040903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1041003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1041103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 104122cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1041303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1041403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 104152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1041603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1041703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 104182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1041903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1042003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 104212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1042203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1042303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 104242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1042503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1042603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 104272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1042803812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1042903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1043003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 1043103812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 104322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1043303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1043403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 104352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1043603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1043703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 104382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1043903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1044003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 104412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10442a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 10443a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 104442cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1044503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1044603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 104472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10448a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 10449a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 10450a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1045103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1045203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 104532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1045403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1045503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 104562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1045703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1045803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 104592cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1046003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 10461ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1046226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1046326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1046403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 1046526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1046626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1046726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Chunks to be excluded from the output PNG:"); 1046826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1046926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1047026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1047126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1047226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1047326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 1047426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1047526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1047626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1047726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1047826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1047926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1048026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1048126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1048226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 1048326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 1048426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1048526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1048626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 1048726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 1048826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1048926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1049026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1049126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1049226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1049326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1049426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1049526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1049626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1049726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1049826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1049926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 10500a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 10501a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10502a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1050326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1050426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1050526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1050626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1050726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1050826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1050926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1051026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1051126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1051226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1051326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 10514b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 105153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10516b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp status=WriteOnePNGImage(mng_info,image_info,image); 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 105190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 105220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 105243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 105303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 105323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 105343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 105363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1053903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 105413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 105443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 105533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10556bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 105583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 10560fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 105613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 105633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type==TrueColorMatteType; 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=10; 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=0; 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality; 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 105733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 105753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* if any pixels are transparent */ 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=MagickTrue; 105783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression==JPEGCompression) 105793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=8; 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 105850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info for opacity."); 105900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 105920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 105943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 105950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 105990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 106010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 106033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 106040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SeparateImageChannel(jpeg_image,OpacityChannel); 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=NegateImage(jpeg_image,MagickFalse); 106083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 106090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_quality >= 1000) 106113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality/1000; 106120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 106143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality; 106150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(jpeg_image,GrayscaleType); 106183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 106193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent, 106203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 106243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 106263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy TrueColorType && ImageIsGray(image)) 106283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 106313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 106363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale PNG blob */ 106383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 106393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 106403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 106433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 106443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 106463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 106483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 106503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 106513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 106533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(jpeg_image,"png:bit-depth-written"); 106543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 106553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 106563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 106583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale JPEG blob */ 106603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 106623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 106633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 106653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 106663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 106673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 106703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 10671f2faecf9facdbbb14fcba373365f9f691a9658e0cristy &image->exception); 106723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 106730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10676e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 10677e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 106783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 106813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 106823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 106833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 106843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 106873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1068903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 106904e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 106914e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 106923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 106933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 106943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 106953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 106963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 106973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 106983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 106993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 107013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 107023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10705f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 107060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10708f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 107090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 107120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 107150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 107180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 107210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 107240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 107270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 107300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 10736cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 107523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10753bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 10760bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 107613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1076203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 107673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 107803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1078303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 107840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10786e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10787cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10788e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 107890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10791e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10792cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10793e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 107940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1080703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1080835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 108113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1082403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 108253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1082635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1082735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1082935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1083035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1083235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1083335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1083535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1083635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && !mng_info->equal_physs) 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1084903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 108513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1085235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 108540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1085535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 108570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 108593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1086535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 108670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1086835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 108700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1087635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1087735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 108783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 108823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 108833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1089203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 10893bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 10894bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 108963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1090303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 109043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 109053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 109063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 109133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10916bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 109183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10919bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 109233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10925e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 10926f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 109273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 109303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 10931bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 109343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 109350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 10939bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1094003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 109433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 109443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10950e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 10951e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 109543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 109593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10961e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 10962bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1096403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 109653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 109663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 109673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 109703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 109753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 109793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 109853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 109883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 109923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent,"%s", 109933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 109943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 109963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 109993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11000e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 11001e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 110023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 110043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 110050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality % 1000; 110073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 110083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 110090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 110130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,&image->exception); 110150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11019e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 11020e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11023e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 11027bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 110283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1102903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 110303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 110313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 110323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 110353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 11040cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 110443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1104503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 110463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 110473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 110483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 110520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 110543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 110583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 110593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 110633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 110663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 110673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 110693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 110713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 110733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 110753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 110843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1108721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1108803812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 110903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11102fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1111173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,image_info,image); 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 111253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 111313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 111333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111363ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 111373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 111383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 111393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 111403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 111423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 111433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1114521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 111463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 111473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1114803812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1114903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1115003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 111513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 111523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 111533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 111553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 111563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 111573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 111583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 111623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 111643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 111653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 111663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 111673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11168bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 111693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 111703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 111723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 111733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 111763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11178bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 111793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 111803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11181bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 111823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 111833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 111843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11185d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 111863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 111873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 111893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 111973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 111983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11199fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1120873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 112113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 112363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 112453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 112490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11251e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 112520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 112583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11260e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 112610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11263e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 112640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 112663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 112680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 112720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 112743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 112760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 112800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 112823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11283e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 112840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 112880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 113093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 113113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 113133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 113183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 113203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 113223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 113233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 113253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 113273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 113283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 113303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 113323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 113333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 113343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 113353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 113363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 113373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 113383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 113393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 113403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 113413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 113423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 113433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 113443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 113453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 113463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 113483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 113503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 113510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 113533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 113543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 113573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 113580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 113603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 113610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 113643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 113653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 113663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 113670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 113693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 113700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 113720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 113743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 113753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 113760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 113783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 113793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 113833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 113840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 113863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 113883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 113893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 113903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 113953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 114033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 114040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 114063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 114070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 114093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 114103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 114110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 114133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->x_resolution != next_image->next->x_resolution) || 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->y_resolution != next_image->next->y_resolution)) 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 114160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 114183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 114203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 114213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 114263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 114273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 114283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 114293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 114303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 114313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 114323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 114333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 114343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 114353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 114363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 114393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 114403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 114423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 114443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 114453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 114463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 114473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 114483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 114493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 114503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 114513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 114523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 114533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 114563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 114603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 114643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114680261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 11469d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 11470d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 11471d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp (void) ThrowMagickException(&image->exception, 11472d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp GetMagickModule(),CoderWarning, 11473d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 11474d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 11475d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 114793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 11481cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 11482cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 114850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 114873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 114880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 114903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 114910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 114953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 114963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 114973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 115013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 115033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 115043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 115053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 115083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 115103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 115113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1151203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 115134e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 115144e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 115153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 115163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 115173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 115183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 115193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 115203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 115223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 115243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 115250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 115283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 115333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 115340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 115373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 115433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 115453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 115460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 115493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 115543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 115550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 115583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 115613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 115623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 115633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 115643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 115663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 115673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 115703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 115723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 11573bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1157403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 115753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 115763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 115773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 115783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 115803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 115813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 115823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 115853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 115873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1158803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 115893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 115903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 115913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 115923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 115930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 115960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 115990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11603e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 11604e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 116050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 116073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11608e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 116090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 116113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11612e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 116133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 116153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 116163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 116193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 116213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 116223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 116253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 116273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1162803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 116290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 11631e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11632cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11633e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 116340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 11636e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11637cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11638cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 116390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 116413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 116423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 116433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 116463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 116483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 116513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 116533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1165403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1165535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 116573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 116583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 116593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 116613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 116633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 116643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 116673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 116693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1167003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 116713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1167235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1167335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 116743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1167535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1167635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 116773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1167835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1167935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 116803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1168135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1168235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 116833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 116843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 116853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 116863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && mng_info->equal_physs) 116893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 116923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 116943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1169503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 116960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 116983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1169935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 117003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 117010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1170235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 117033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 117040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 117063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 117093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 117113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1171235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 117133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 117140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1171535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 117163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 117170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 117193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 117223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1172335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1172435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 117253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 117263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 117293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 117303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 117323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 117333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 117343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 117353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 117363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 117373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 117383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 117393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 117403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 117423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1174303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 117443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 117453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 117463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 117473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 117483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 117493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 117503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 117513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 117523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 117533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 117553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1175603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 117573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 117583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 117593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 117633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 117643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 117653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 117663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 117683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 117693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 117713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 117723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 117733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 117743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 117753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1177603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 117770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11778bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 117793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red) & 0xff; 117813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green) & 0xff; 117823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue) & 0xff; 117833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 117863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 117873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 117883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 117903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 117923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 117933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 117943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 117953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 117963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 117973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 117983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 117993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 118003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 118023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 118033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 118053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 118063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 118073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 118083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 118103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 118133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 118143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 118153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 118163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 118173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 118183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 118213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11822bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 118233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 118243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 118263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 118273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1182803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 118290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11830bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 118313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 118333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 118343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 118353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 118373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 118383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 118393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 118403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 118413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 118443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 118453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 118473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 118483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11849bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 118503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 118513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 118523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 118543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 118563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 118573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 118593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 118613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 118623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 118643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 118653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 118663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 118683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1186903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 118703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 118713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 118723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 118733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 118743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 118753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 118763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 118773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 118783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 118813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 118833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 118853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 118863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 118873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 118883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 118893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 118903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 118923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 118933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 118943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 118953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 118963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 118973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1189803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 118993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 119003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 119013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 119023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 119073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 119093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1191003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 119113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 119123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 119133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 119143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 119153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 119163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 119173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 119183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 119193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 119203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 119213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 119224e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 119233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 119253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 119283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 119293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 119313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 119323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 119363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 119373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 119383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 119393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,write_info,image); 119403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 119413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 119433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 119443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 119463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 119482f2e514554975d510c88df54de98c6cdc1080f1cglennrp 11949b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 119502f2e514554975d510c88df54de98c6cdc1080f1cglennrp 119512f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 119522f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 119532f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 119542f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 119552f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 119562f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 119572f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 119582f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 119592f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 119602f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 119612f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 119622f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11963a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 119642f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 119652f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 119662f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 119672f2e514554975d510c88df54de98c6cdc1080f1cglennrp 119683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 119693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 119713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 119723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 119743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 119753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 119763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 119773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 119783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 119793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 119803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 119813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 119823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 119830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 119853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 119860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 119880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 119893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 119903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 119913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 119923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 119933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 119943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 119953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 119963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 119973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1199803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 119993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 120003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 120013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 120023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 120033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 120043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 120053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 120063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 120070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 120093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 120100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 120123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12013d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1201439992b4dd9b12ef752d55b8e402c069698851f72glennrp 120153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 120163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 120173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=image; 120183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 120193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 120200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 120213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 120223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 120233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1202439992b4dd9b12ef752d55b8e402c069698851f72glennrp 120253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 120263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 120273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 120283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12029d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 120303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12031