png.c revision 5a39f3714559b4d9c08beb391ce4326354bb0f0c
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 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1531faa852bad40107edae19405e76a299057668d795glennrp pass, 1532faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1533faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1534faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1535faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1536faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 1537faa852bad40107edae19405e76a299057668d795glennrp ping_num_trans; 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1539a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp LongPixelPacket 1540a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color; 1541a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 15434383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 15443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1546faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1547faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1548faa852bad40107edae19405e76a299057668d795glennrp 1549faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1550faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1551faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1552faa852bad40107edae19405e76a299057668d795glennrp 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1563faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1564faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1565faa852bad40107edae19405e76a299057668d795glennrp ping_width, 1566faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes; 1567faa852bad40107edae19405e76a299057668d795glennrp 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 1572cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1574bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register IndexPacket 15815c6f789db7a30bad01ace12b09ad9cd471339e94cristy *indexes; 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1583bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 159139992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 16043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 1607fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOnePNGImage()"); 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1610cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 161325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 161961b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 162061b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 162161b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 162261b4c957269727a0a2526edc2331881da8346100glennrp { 162361b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 162461b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 162561b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 162661b4c957269727a0a2526edc2331881da8346100glennrp } 162761b4c957269727a0a2526edc2331881da8346100glennrp# endif 162861b4c957269727a0a2526edc2331881da8346100glennrp#endif 162961b4c957269727a0a2526edc2331881da8346100glennrp 163061b4c957269727a0a2526edc2331881da8346100glennrp 1631ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info = (QuantumInfo *) NULL; 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1634a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 1635a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 1636a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " image->matte=%d",(int) image->matte); 1637a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 16380e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 16390e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 16400e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 16410e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 16420e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.opacity=65537; 16430e319739731741c52a6303723e0c8678a0df5579glennrp 16443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 16463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 16483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING, image, 1649cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 1650cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 16513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 16523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,image, 1653cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 16563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 16590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 16633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 16670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 16713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 16723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1674cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 16750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1676faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 16823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 1683cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 16873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 16880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 16907b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 16917b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 16927b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 16937b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 16940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1700faa852bad40107edae19405e76a299057668d795glennrp 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 17030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 17073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 17083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 17173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 17303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 17333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1736991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 1737991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 1738991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 17493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 17513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1752991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 1756faa852bad40107edae19405e76a299057668d795glennrp 1757faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 1758faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 1759faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 1760faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 1761faa852bad40107edae19405e76a299057668d795glennrp 1762faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 1763faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 1764faa852bad40107edae19405e76a299057668d795glennrp 1765faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 1766faa852bad40107edae19405e76a299057668d795glennrp 1767faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 17683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1769faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 1770faa852bad40107edae19405e76a299057668d795glennrp { 1771faa852bad40107edae19405e76a299057668d795glennrp png_set_packing(ping); 1772faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth = 8; 1773faa852bad40107edae19405e76a299057668d795glennrp } 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1775faa852bad40107edae19405e76a299057668d795glennrp 1776faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 17773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 1778faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1782e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " PNG width: %.20g, height: %.20g", 1783e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) ping_width, (double) ping_height); 17840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG color_type: %d, bit_depth: %d", 1787faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, ping_bit_depth); 17880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG compression_method: %d", 1791faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method); 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 1795faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1798faa852bad40107edae19405e76a299057668d795glennrp#ifdef PNG_READ_iCCP_SUPPORTED 1799faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1804e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 1805e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 1806e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1807e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 1808e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 1809e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 1810e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 1811e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 18133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 18173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 18200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 18243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=AcquireStringInfo(profile_length); 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetStringInfoDatum(profile,(const unsigned char *) info); 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProfile(image,"icc",profile); 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intent; 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_srgb) 1842cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 1843cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (mng_info->global_srgb_intent); 18440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_sRGB(ping,ping_info,&intent)) 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1847cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent=Magick_RenderingIntent_from_PNG_RenderingIntent 1848cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (intent); 18490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1852e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy double 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_gamma; 18593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1860faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 1861faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 1862faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 18630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1872faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 1873faa852bad40107edae19405e76a299057668d795glennrp { 1874faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 1875faa852bad40107edae19405e76a299057668d795glennrp { 1876faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 1877faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 1878faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 1879faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 1880faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 1881faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 1882faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 1883faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 1884faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 1885faa852bad40107edae19405e76a299057668d795glennrp } 1886faa852bad40107edae19405e76a299057668d795glennrp } 18870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1888faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 18990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG cHRM chunk."); 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1905e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1907e610a071534e448c46460a5aa39ede33bf56b329glennrp png_set_sRGB(ping,ping_info, 1908cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 1909cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->rendering_intent)); 1910faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,0.45455f); 1911faa852bad40107edae19405e76a299057668d795glennrp png_set_cHRM(ping,ping_info, 1912faa852bad40107edae19405e76a299057668d795glennrp 0.6400f, 0.3300f, 0.3000f, 0.6000f, 1913faa852bad40107edae19405e76a299057668d795glennrp 0.1500f, 0.0600f, 0.3127f, 0.3290f); 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 1916faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1918905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 1919905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 19200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1924e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 1925e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 19283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 1929faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 1930faa852bad40107edae19405e76a299057668d795glennrp { 1931faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 1932faa852bad40107edae19405e76a299057668d795glennrp { 1933faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 1934faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 1935faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 1936faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 1937faa852bad40107edae19405e76a299057668d795glennrp } 1938faa852bad40107edae19405e76a299057668d795glennrp } 1939faa852bad40107edae19405e76a299057668d795glennrp 1940faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 19413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unit_type; 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 19463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_resolution, 19473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_resolution; 19483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 19503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 19530881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 19540881b52ab4fee8427578a694081946c4c4e92b35cristy image->x_resolution=(double) x_resolution; 19550881b52ab4fee8427578a694081946c4c4e92b35cristy image->y_resolution=(double) y_resolution; 19560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 19603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=(double) x_resolution/100.0; 19613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=(double) y_resolution/100.0; 19623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 19653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1966e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 1967e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1970faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 19790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 19803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 1981faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 19823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 19843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 19870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1988faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length > 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length) 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 19953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "global tRNS has more entries than global PLTE", 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_tRNS(ping,ping_info,mng_info->global_trns, 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_trns_length,NULL); 19993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2005faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 20113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2014faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2015faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 20160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 20190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 20220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 20243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 20250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 20273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No global PLTE in file","`%s'", 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_bKGD_SUPPORTED) 2038faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2039faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 20403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 20410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2042faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 20433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image background color. 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 20483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG bKGD chunk."); 20500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20512cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == MAGICKCORE_QUANTUM_DEPTH) 20523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2053faa852bad40107edae19405e76a299057668d795glennrp image->background_color.red=ping_background->red; 2054faa852bad40107edae19405e76a299057668d795glennrp image->background_color.green=ping_background->green; 2055faa852bad40107edae19405e76a299057668d795glennrp image->background_color.blue=ping_background->blue; 20563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 20570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20582cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else /* Scale background components to 16-bit */ 20593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20602cbb4489df0a2a31907769956f217d4b9d982bd0glennrp unsigned int 20612cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale; 20622cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20632cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 20642cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20652cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " raw ping_background=(%d,%d,%d).",ping_background->red, 20662cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 20672cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20682cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 1; 20690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20702cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth == 1) 20712cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 255; 20720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20732cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 2) 20742cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 85; 20750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20762cbb4489df0a2a31907769956f217d4b9d982bd0glennrp else if (ping_bit_depth == 4) 20772cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale = 17; 20780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20792cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (ping_bit_depth <= 8) 20802cbb4489df0a2a31907769956f217d4b9d982bd0glennrp bkgd_scale *= 257; 20812cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20822cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->red *= bkgd_scale; 20832cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green *= bkgd_scale; 20842cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->blue *= bkgd_scale; 20852cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20862cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 20872cbb4489df0a2a31907769956f217d4b9d982bd0glennrp { 20882cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20892cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " bkgd_scale=%d.",bkgd_scale); 20900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20912cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 20922cbb4489df0a2a31907769956f217d4b9d982bd0glennrp " ping_background=(%d,%d,%d).",ping_background->red, 20932cbb4489df0a2a31907769956f217d4b9d982bd0glennrp ping_background->green,ping_background->blue); 20942cbb4489df0a2a31907769956f217d4b9d982bd0glennrp } 20952cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red= 2097faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 20980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 20993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green= 2100faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 21010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue= 2103faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->blue); 21040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2105f17da7472c6195cfc91626d98d166cae04345d34cristy image->background_color.opacity=OpaqueOpacity; 21062cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 21072cbb4489df0a2a31907769956f217d4b9d982bd0glennrp if (logging != MagickFalse) 21082cbb4489df0a2a31907769956f217d4b9d982bd0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2109e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->background_color=(%.20g,%.20g,%.20g).", 2110e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.red, 2111e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.green, 2112e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->background_color.blue); 21133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2116a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2117faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 21183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2120a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 21213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 21233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 21243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 212535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 212635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 212735ef824baa82511126ff0072ae30eee0da9c05a3cristy 21283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 21313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2132f9cca6af1ff9b913c32a2cec81eda059877a8832cristy max_sample = (int) ((one << ping_bit_depth) - 1); 21333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2134faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2135faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2136faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2137faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2138faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2139faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 21403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 21443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2145faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2150a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2151a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2152a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2153a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short = 65535L/((1UL << ping_bit_depth)-1); 2154a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2155a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2156a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2157a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2158a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 2159a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.opacity= scale_to_short*ping_trans_color->gray; 216005eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2161faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 21623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21630f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 21640f111984738842d27d04aed2a3f823d82a943506glennrp { 21650f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21660f111984738842d27d04aed2a3f823d82a943506glennrp " Raw tRNS graylevel is %d.",ping_trans_color->gray); 21670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21680f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21690f111984738842d27d04aed2a3f823d82a943506glennrp " scaled graylevel is %d.",transparent_color.opacity); 21700f111984738842d27d04aed2a3f823d82a943506glennrp } 21713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.red=transparent_color.opacity; 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.green=transparent_color.opacity; 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent_color.blue=transparent_color.opacity; 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 21793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2180faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2185faa852bad40107edae19405e76a299057668d795glennrp 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2187faa852bad40107edae19405e76a299057668d795glennrp 2188faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2189faa852bad40107edae19405e76a299057668d795glennrp 21903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 21923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2194bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2196bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 21973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2199faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2200faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 22013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 22083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2211faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2212faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2213faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 2214faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2215faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2217befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2218befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2219befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2221befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2222befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy image->colors=one << ping_bit_depth; 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=256; 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 65536L) 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=65536L; 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2230faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2239bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 22400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 22483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 22513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (AcquireImageColormap(image,image->colors) == MagickFalse) 22533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 22540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2255faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 22563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 22583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 22593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 22613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 22623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 22640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2265bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 22663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 22683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 22693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 22703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2275bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2278faa852bad40107edae19405e76a299057668d795glennrp scale=(QuantumRange/((1UL << ping_bit_depth)-1)); 22790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 22813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 22820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2283bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 22843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 22863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 22873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 22960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22970ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 2298347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 2299347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2303e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2307cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 23083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 23120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 23190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2321cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(image->rows, 2322cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_rowbytes*sizeof(*ping_pixels)); 23230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2325cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(ping_rowbytes, 2326cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 23270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2328cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 23293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 23343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 23363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2337faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 23383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 23403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 23413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 23423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 23433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2344cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 23453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 23473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info = DestroyQuantumInfo(quantum_info); 23480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2349cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 2350cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 23510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 23550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 23577b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 23587b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy InheritException(exception,&image->exception); 23597b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 23607b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 23610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 23623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 23633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2365ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 23660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2367ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 2368ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 23690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2370c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2371c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2372c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 2373c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 2374c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2375c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 2376c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 23773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2379c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 2380c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2381c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 2382c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 2383c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 2384c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 2385c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp int 2386c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth; 23873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2388c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp depth=(ssize_t) ping_bit_depth; 23893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2390c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 2391c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 2392c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 2393c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickTrue : MagickFalse; 23940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2395c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 2396c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2397c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 2398c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 23990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2400c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 2401c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 24020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2403cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 2404c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 24053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2406c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q == (PixelPacket *) NULL) 2407c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 24080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2409c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#if (0 && (MAGICKCORE_QUANTUM_DEPTH == 8) && !defined(MAGICKCORE_HDRI_SUPPORT)) 2410c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp/* code deleted from version 6.6.6-8 */ 2411c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#else /* (MAGICKCORE_QUANTUM_DEPTH != 8) */ 24120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2413c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 24143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2415cf002022280cc4dedb2748ad6f415aac1d44f530glennrp GrayQuantum,ping_pixels+row_offset,exception); 24160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2417c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 24183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2419cf002022280cc4dedb2748ad6f415aac1d44f530glennrp GrayAlphaQuantum,ping_pixels+row_offset,exception); 24200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2421c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 24223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2423cf002022280cc4dedb2748ad6f415aac1d44f530glennrp RGBAQuantum,ping_pixels+row_offset,exception); 24240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2425c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2426c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2427cf002022280cc4dedb2748ad6f415aac1d44f530glennrp IndexQuantum,ping_pixels+row_offset,exception); 24280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2429c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 2430c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2431cf002022280cc4dedb2748ad6f415aac1d44f530glennrp RGBQuantum,ping_pixels+row_offset,exception); 2432c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#endif 2433c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 2434c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2435c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 2436a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 2437a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2438a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 2439a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2440c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 2441c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 24425aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 24435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 24445aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (q->opacity != OpaqueOpacity)) 2445c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2446a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2447a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2448a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 2449a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2450c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 2451c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 24544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 2455a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (ScaleQuantumToShort(q->red) == transparent_color.red && 2456a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2457a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue)) 24584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 2459a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 2460a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2461a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 24624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 24634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 24644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2465c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp q++; 2466c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 2470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2471c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 24730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2474c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 2475c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2476c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2477c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 2478c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 2479c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 24800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 24827a287bfadeadea12e47c2376ca78a5d101687142cristy { 2483c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 24847a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 24857a287bfadeadea12e47c2376ca78a5d101687142cristy break; 24867a287bfadeadea12e47c2376ca78a5d101687142cristy } 24873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 2491c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 24923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 24933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 24953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 24963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 24983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 24993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 25003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 25013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 25023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2503faa852bad40107edae19405e76a299057668d795glennrp image->matte=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 25043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickTrue : MagickFalse; 25050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 25073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->matte ? 2 : 1)*sizeof(*quantum_scanline)); 25080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 25103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 25110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2512bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 25133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 2515faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 2516c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 25173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 25183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 2519c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2520cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 25213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 25220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q == (PixelPacket *) NULL) 25243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25265c6f789db7a30bad01ace12b09ad9cd471339e94cristy indexes=GetAuthenticIndexQueue(image); 2527cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 25283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 2529c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2530faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 25313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 25333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2534bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit; 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2537bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-7; x > 0; x-=8) 25383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=7; bit >= 0; bit--) 25403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 25423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 25453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (bit=7; bit >= (ssize_t) (8-(image->columns % 8)); bit--) 25473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p) & (0x01 << bit) ? 0x01 : 0x00); 25483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 255247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 25533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 2: 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2555bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-3; x > 0; x-=4) 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 6) & 0x03; 25583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x03; 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 2) & 0x03; 25603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x03; 25613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 4) != 0) 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2565bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=3; i >= (ssize_t) (4-(image->columns % 4)); i--) 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(Quantum) ((*p >> (i*2)) & 0x03); 25673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 257147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 25723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 25733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2574bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x > 0; x-=2) 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p >> 4) & 0x0f; 25773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++) & 0x0f; 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 25813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++ >> 4) & 0x0f; 25820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 25843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 258547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 25863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 25873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2588faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 2589bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 25903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* In image.h, OpaqueOpacity is 0 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * TransparentOpacity is QuantumRange 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * In a PNG datastream, Opaque is QuantumRange 25953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and Transparent is 0. 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleCharToQuantum((unsigned char) (255-(*p++))); 2598c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 25990b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2604bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=*p++; 26060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 260947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 26113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2612bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 26133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 16) 2615bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=(Quantum) quantum; 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 262847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2629faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=((*p++) << 8); 26323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-quantum); 2634c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26350b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 26393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 2640bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 26413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum; 26423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 26433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 26443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=((*p++) << 8); 26450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 26473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=0; 26480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum=(*r); 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum|=(*p++); 26513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r=quantum; 26523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r++; 26530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2654faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(*p << 8) | *(p+1); 2657afee4d36aae894a74306a3c492437ca55dce2badcristy q->opacity*=65537L; 265846f08209f719f4adeea742c45873c2714e80cdb9cristy q->opacity=(Quantum) GetAlphaPixelComponent(q); 2659afee4d36aae894a74306a3c492437ca55dce2badcristy if (q->opacity != OpaqueOpacity) 26600b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=2; 26623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 266447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 26663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r++=(*p++); 26673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* strip low byte */ 266847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2669faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) (QuantumRange-(*p++)); 2672c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (q->opacity != OpaqueOpacity) 26730b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 268047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 268347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 26843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 26853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 26893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 26910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2692bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 269380ac8b9110f1adf7202ed1f4f244cbb1a4e1a56fcristy indexes[x]=(IndexPacket) (*r++); 26940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 26963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 26970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26987a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 26997a287bfadeadea12e47c2376ca78a5d101687142cristy { 2700cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 2701cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy image->rows); 270247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27037a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 27047a287bfadeadea12e47c2376ca78a5d101687142cristy break; 27057a287bfadeadea12e47c2376ca78a5d101687142cristy } 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2707c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27087a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 271147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2715c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 27163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2718c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2719c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->matte=found_transparent_pixel; 2720c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2721c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 2722c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 2723c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 2724c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2725c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 2726c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 27275aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 27285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 2730a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 27315aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 27325aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 2733c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2734c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 2735c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 2736b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 2737b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 27380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27395c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 27405c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 2741aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy MagickBooleanType 27425c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte; 27435c6f789db7a30bad01ace12b09ad9cd471339e94cristy 27445c6f789db7a30bad01ace12b09ad9cd471339e94cristy matte=image->matte; 27455c6f789db7a30bad01ace12b09ad9cd471339e94cristy image->matte=MagickFalse; 27465c6f789db7a30bad01ace12b09ad9cd471339e94cristy (void) SyncImage(image); 2747aeb2cbc4eb61cc6a04744db1dc52f5319c466e29cristy image->matte=matte; 27485c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 274947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_end(ping,ping_info); 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 2753bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2756cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2760cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 27663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 276747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2768faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 27693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 27743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 27753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 2778c11cf6a442f3046940608a5743a68cc891deb13eglennrp 27793c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 2780c11cf6a442f3046940608a5743a68cc891deb13eglennrp 27810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 27820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 27830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 2784c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 27850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 27860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 27870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = 27880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ScaleCharToQuantum((unsigned char)(255-ping_trans_alpha[x])); 27890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2790c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 279147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 27920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 27930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 27940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 27950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 27960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 27970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp transparent_color.opacity) 27980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 27990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->colormap[x].opacity = (Quantum) TransparentOpacity; 28000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) SyncImage(image); 28040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 280547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 2806a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 2807a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 2808a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 28120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 28130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 28140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 2815c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (q == (PixelPacket *) NULL) 28170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2818c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp indexes=GetAuthenticIndexQueue(image); 28200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2821a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 2822a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 2823a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 28240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 28250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 2826a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (ScaleQuantumToShort(q->red) == transparent_color.red && 2827a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->green) == transparent_color.green && 2828a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp ScaleQuantumToShort(q->blue) == transparent_color.blue) 28294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q->opacity=(Quantum) TransparentOpacity; 28314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 28320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2833a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 0 /* I have not found a case where this is needed. */ 28340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 28354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 28364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp q->opacity=(Quantum) OpaqueOpacity; 28374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 2838a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 28390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q++; 28410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 28420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 28440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 2845c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 28460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 2847a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 2848c11cf6a442f3046940608a5743a68cc891deb13eglennrp 28493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 28503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28513c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 2852b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy if ((ping_color_type == PNG_COLOR_TYPE_GRAY) || 2853b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2854b40fc46321caef77f32743c0dc22e9a4bcc88e71cristy image->colorspace=GRAYColorspace; 285547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 28563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_text(ping,ping_info,&text,&num_text) != 0) 2857bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) num_text; i++) 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check for a profile */ 28603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG text chunk"); 28640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(text[i].key, "Raw profile type ",17) == 0) 2866cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_read_raw_profile(image,image_info,text,(int) i); 28670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 28713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 28723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 28733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=text[i].text_length; 28743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 28753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*value)); 28763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value == (char *) NULL) 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 28793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 28803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 28813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 28823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value='\0'; 28843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(value,text[i].text,length+2); 28853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageProperty(image,text[i].key,value); 28860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 288897f90e23c85b9c58387880125c29d8c99126f83aglennrp { 288997f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 289097f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 28913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Keyword: %s",text[i].key); 289397f90e23c85b9c58387880125c29d8c99126f83aglennrp } 28940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=DestroyString(value); 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28983c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 28993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 29003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 29023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 29093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 291173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 29120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 291947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 29223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"MemoryAllocationFailed","`%s'", 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 29270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 29293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cannot overwrite frozen MNG object buffer", 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 29400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 29423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 29430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 29453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 29460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 29493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResourceLimitError,"Cloning image for object buffer failed", 29503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 29510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2952faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 29533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 29540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2955faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 2956faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 2957faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 2958faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 2959faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 2960faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 2961faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 2962faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 29630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2964faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 29653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 29673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors; 29683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 29713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 29743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 29763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 29773c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 29793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 298347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 29843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 29863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 29913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 29933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2994cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 29953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 2996cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 30020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 301521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 301621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 30183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 30203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 30323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 303347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 30363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 303747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3040fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 30413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 30423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 304447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 304747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 305247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3053dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 305547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 306073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 306147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 30633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 306447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 30673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 30693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 30703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 30713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 30733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 30743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 307547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 30773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 30793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 30813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 30820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 30843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 30853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 30900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 309347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 309547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 30973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 31010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 31033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 310447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG8") == 0) 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,PaletteType); 31080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: Reduce to binary transparency */ 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 311447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG24") == 0) 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorType); 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 31193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"PNG32") == 0) 31223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(image,TrueColorMatteType); 31230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 312597f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 312697f90e23c85b9c58387880125c29d8c99126f83aglennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 312797f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.width,(double) image->page.height, 312897f90e23c85b9c58387880125c29d8c99126f83aglennrp (double) image->page.x,(double) image->page.y); 312997f90e23c85b9c58387880125c29d8c99126f83aglennrp 313097f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 31313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 31320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 31353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 31393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 31483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 31493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 31513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 31523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 31533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 31543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 31563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 31633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 31653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 31673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 31693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 31703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 31713ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 31723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 31733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 31743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 31753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 31763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 31793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 31813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 31823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 31833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31844383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 31854383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 31864383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 3187bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 31883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 31893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 31913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 31923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 31943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 31953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 31963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 31973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 31983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 31993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 32003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 32013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 32023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 32033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 32043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 32053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 32063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 32083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 32093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3210bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 32113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 32123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 32133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 32153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 32163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 32183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 32193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 32213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 32223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat, 32233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 32243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3225bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 32263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 32273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 32293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 32303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 32313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 32323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 32333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 32343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 32353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 32363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 32373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 3239fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 32403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 32420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 32443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 32473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 32503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 32510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 32530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 32553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 32560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 32583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 32603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 32633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 32673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 32693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 32813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 32823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 32833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 32840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 32870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 32893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3295e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 3296e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 33000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 33023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 330347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 33070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 33093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 33100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3311bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 33130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 33153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 331647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 33183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 332347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 33253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 33283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 33303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3331bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 33323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 3333bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 33343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 33353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 33363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 33383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 333947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 334247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 33453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 334747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 33493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3351f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_width); 335247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3354f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " jng_width: %16lu",(unsigned long) jng_height); 335547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_color_type: %16d",jng_color_type); 335847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_sample_depth: %3d", 33613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth); 336247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 336647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_interlace_method: %3d", 33693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method); 337047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 33733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 337447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_compression_method:%3d", 33773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method); 337847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_filter_method: %3d", 33813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method); 338247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 33843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 33853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 33863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 338847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 33903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 339147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 33933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 33963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 33973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 33983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 33993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 34053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 340773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 340847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 34103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 341147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 34133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=AcquireImage(color_image_info); 34140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 34210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 34303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 343273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 34330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 34353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 34360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 34383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=AcquireImage(alpha_image_info); 34390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 34413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 34443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 34453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 34500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 34533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 34540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 34570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 34613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 34660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 34683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 34690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 34713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 347203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 34733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 34743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 34753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 34763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 34773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 34793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 34803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 34813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 34823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 348947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 349647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 349947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 350847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3516bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 351803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 35203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 35323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 353347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 35343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 35363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 35403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 35423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 35513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 35530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 35553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 35613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 35633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 35653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 35663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 35673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 35703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 35723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 35733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 35743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 35813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 35838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 35840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 35903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 35923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35938182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 35948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 35958182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 35968182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 35978182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 35988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 35998182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 36008182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 36013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 360247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 36083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 36103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3611e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 3612cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 36133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=0.45455f; 36143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 36153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 36163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 36183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 36193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 36203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 36213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 36223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 362347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 36293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36325eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 36335eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 36340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 36363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 36383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 36393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 364147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 36493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 36513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36528182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->x_resolution=(double) mng_get_long(p); 36538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->y_resolution=(double) mng_get_long(&p[4]); 36543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->x_resolution=image->x_resolution/100.0f; 36583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->y_resolution=image->y_resolution/100.0f; 36593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 36673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 36683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3669fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 36703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 36820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 36843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy opacity samples of main image. 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 371147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 37150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(color_image_info->filename,MaxTextExtent,"%s", 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 37180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 37203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 37210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 37273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 37303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 37350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns*sizeof(PixelPacket); 37390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3740bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,&image->exception); 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(q,s,length); 374547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 37510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 37593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 376203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 37653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 37680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 37713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading opacity from alpha_blob."); 37723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(alpha_image_info->filename,MaxTextExtent, 37743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 37753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 37770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 3779bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 37803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 37823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 37833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 378447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 3786bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 37873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 37880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3790bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns; x != 0; x--,q++,s++) 37913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=(Quantum) QuantumRange-s->red; 37933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (q->opacity != OpaqueOpacity) 37943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickTrue; 37953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 37983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 37993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 38013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 38023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 38033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 38043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 38053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 380847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 380947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 38103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 38113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 38123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 38133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 38143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 38150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 38170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 38190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 38200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 38230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 38250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 38290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 38300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 38310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 38320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 38343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 38353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 38360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 38383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 38393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 38400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 38413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 38423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 38433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 38453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 38503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 38533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 38543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 38563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 38573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 38583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 38593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 38613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 38633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 38653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 38663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 38683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 38703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 38723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 38733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 38743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 38763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 38773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 38783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 38793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 38803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 388221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 388321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 38843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 38853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 38873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 38883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 38903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 38913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 38933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 38943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 38953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 39013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3903fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 39070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 39123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 391447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 391547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 391747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39183b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 39200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 392147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 392247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 392473bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 39250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 39280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 392947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 393047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 39380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 395447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 39600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 39630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 39660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39713ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 39753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39804383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 398121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 398221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 39834383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3990bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 39913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 40063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 40133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4015bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 40173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4021bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 40263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 40353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 40373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4038bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 40403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 404738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 404838ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 404938ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4050bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 407247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 407347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4079fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=AcquireImage(image_info); 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 40830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 409047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 409147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 409247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 409373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 40940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 40970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 409847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 409947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 410947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 411347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 411447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4117bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 4118bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 412247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 41603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4165e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 4166e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 41700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 41730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 41760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 418047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 418347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4184bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 418647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 41933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 41960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 42000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 42070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 42110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 421647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 42210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 42240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 42280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4234bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 42360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4237bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 42390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4243e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4245e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 42498182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 42500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 42523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 42530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 42570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 42593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 42600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 42648182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 42680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 42710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 42740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 428147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 42823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 42830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 42860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 42933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 42940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4295e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (void) FormatMagickString(page_geometry,MaxTextExtent, 4296e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 4297f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 42980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 4300bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 4302bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 43040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 43063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 43070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 43200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 43248182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 43250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 43280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " repeat=%d",repeat); 43370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4339e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " final_delay=%.20g",(double) final_delay); 43400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4342e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->iterations=%.20g",(double) image->iterations); 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 43513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 43560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Instead ofsuing a warning we should allocate a larger 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 43813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 43850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 43880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 43950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 43960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 43980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 43990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4403e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " x_off[%d]: %.20g",object_id,(double) 4404f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->x_off[object_id]); 44050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4407e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " y_off[%d]: %.20g",object_id,(double) 4408f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->y_off[object_id]); 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 44180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 44250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 44480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 44510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 44560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 44590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 44620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.opacity=OpaqueOpacity; 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 44683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 44693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 447447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 447747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 447847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 44833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 44840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4485bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 449235ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 44983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 45070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 451147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 4517bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 452412560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4532bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45358182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 45383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 45420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 454947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 455047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 45548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 45558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 45578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 45598182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 45618182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 45638182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 45658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 45673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 457047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 457447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4582e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 4583cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 458847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 459247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4595fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 460247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 460547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 46120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 46150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 461947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 46230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 46270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 463047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 463147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 463347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4634bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 463647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 463847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 4639bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 465047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 46548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 46550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46568182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 46578182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 46580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4659bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4660bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 46610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 46633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 46640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 46660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4669e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 467147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4674bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 4675bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 46760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4677bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 4678bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 46790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4680bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 4681bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 46820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 46843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 46850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 46870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4690e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 469247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 46980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 4702e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 4703e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 470447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 47063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 47073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 47120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4713bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 47150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4716bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 47183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 47223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4724e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 4725e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 47260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 473047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 473447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 474147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 47460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 47560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 47670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 4771e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 4772e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 478947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 480147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 48113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 482547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 482647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4835bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4838bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 485047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4853bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 48563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 485747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 485847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 4861bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 487847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4885bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 488847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 488947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 48908182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 48910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4894e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 4895e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 48960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 48990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 491047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 491447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 492647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 49330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 49360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 4937e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 4938f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 493947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 49440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 494947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 496747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 497147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 49763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 497847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 498147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 49980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 50010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 50040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 50073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 50083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 501547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 502147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 502747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 503047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 503647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 503947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 504547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 504847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 505447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 505747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 506347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 506647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 507247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 507547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 508147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 508547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception, 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 509347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 511247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 51143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 511947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 512247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 51243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 51263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 512947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 513247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 513747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 51538182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 51558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 51563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 515947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 51643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 516847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 517447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 517947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 5182bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 5184bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 51883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 519247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 519547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 519847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 520147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 520447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 520747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 521047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 52143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 521847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 522147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 522447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 522947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length) 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 523947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 524647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 524947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 525547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 526347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52648182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 52658182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 5278bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 52793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 5280bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 52813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 528847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 529547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 529947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 530647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 530947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 531047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 531147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 53183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 53213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5323e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 5324e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 534147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 534847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 53530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 53593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 536347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 53740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 53770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5378e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5379e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 538347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 539047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 539747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 54030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 54060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 54150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 54240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 543047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 543447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 543947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5440bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 544147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 54523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 545347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 54623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 546647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 54743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 54773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 54943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 549947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 550247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 550447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 550547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 550747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55104e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 551147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 551447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 551747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 551947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 552047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 552247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 552647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 552947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 553147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 553247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 553447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55374e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 553847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 55403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 554147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 55433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 554447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 554647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 554747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 554947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 55513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 55583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5559bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5563bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PixelPacket 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next, 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *prev; 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 557847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 557947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 558347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 558547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 55943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 55973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 56073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5609bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 56123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 561347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5614bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleQuantumToShort(q->red); 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleQuantumToShort(q->green); 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleQuantumToShort(q->blue); 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleQuantumToShort(q->opacity); 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 562247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 563347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->background_color.opacity=OpaqueOpacity; 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(large_image); 563847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 564147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 564447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 56463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 564747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 56533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5656e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 5657bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=(size_t) image->columns; 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*next)); 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) AcquireQuantumMemory(length,sizeof(*prev)); 566247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((prev == (PixelPacket *) NULL) || 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next == (PixelPacket *) NULL)) 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 567147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 567447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5675bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 5678bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 567947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5680bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 5681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 568247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5683bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 5684bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 568547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5686bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 568847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5690bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 569147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 569547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5696bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 570247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5708bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1,exception); 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q+=(large_image->columns-image->columns); 571447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5715bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5717fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); /* replicate previous */ 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 572847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 573347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 5737bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).red=(QM) (((ssize_t) (2*i*((*n).red 5738bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).red)+m))/((ssize_t) (m*2)) 57393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).red); 5740bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).green=(QM) (((ssize_t) (2*i*((*n).green 5741bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).green)+m))/((ssize_t) (m*2)) 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).green); 5743bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).blue=(QM) (((ssize_t) (2*i*((*n).blue 5744bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).blue)+m))/((ssize_t) (m*2)) 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).blue); 574647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 5748bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (2*i*((*n).opacity 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).opacity)+m)) 5751bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).opacity); 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 575347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 57673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 576947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 577247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5775bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (*q).opacity=(QM) (((ssize_t) (2*i*((*n).opacity 5776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m))/((ssize_t) (m*2)) 57773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 57783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 57813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels++; 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 578447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 578747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 579047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=(PixelPacket *) RelinquishMagickMemory(prev); 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=(PixelPacket *) RelinquishMagickMemory(next); 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5809e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5811bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register PixelPacket 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 58153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=q+(image->columns-length); 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=pixels+1; 581947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5820bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 5821bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5823bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 5824bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 582547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5826bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 5827bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 582847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5829bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 5830bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 583147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5832bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 583447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 5836bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 583747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 585047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).red=(QM) ((2*i*((*n).red 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).red)+m) 5856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).red); 58573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).green=(QM) ((2*i*((*n).green 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).green) 5859bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy +m)/((ssize_t) (m*2))+(*pixels).green); 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).blue=(QM) ((2*i*((*n).blue 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -(*pixels).blue)+m) 5862bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy /((ssize_t) (m*2))+(*pixels).blue); 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5865bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m)/((ssize_t) (m*2)) 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 586847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*pixels).opacity+0; 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(*n).opacity+0; 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 587847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*pixels); 588447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q=(*n); 588747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*q).opacity=(QM) ((2*i*((*n).opacity 5892bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy -(*pixels).opacity)+m) /((ssize_t) (m*2)) 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +(*pixels).opacity); 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n++; 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 590147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 32) 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5911bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 591447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5915bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->red=ScaleShortToQuantum(q->red); 59183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->green=ScaleShortToQuantum(q->green); 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->blue=ScaleShortToQuantum(q->blue); 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q->opacity=ScaleShortToQuantum(q->opacity); 59213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q++; 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 592347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 595747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 5973bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 5974bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 598047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 599247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 60013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 60152b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 60162b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 60172b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 60182b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 60192b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 60202b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 60212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 60222b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 60230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 60248640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (LosslessReduceDepthOK(image) != MagickFalse) 60258640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6027d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageException(image,exception); 602947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 6033bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6036d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 6040d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 604247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 604447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 604847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 60590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetAuthenticPixelQueue(image) != (PixelPacket *) NULL) 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy AcquireNextImage(image_info,image); 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 607047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 607447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 60863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte=MagickFalse; 60870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageBackgroundColor(image); 60900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 60950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 60980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 610647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 611047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 61150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 612047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 612647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 613447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 613947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 614547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 614847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 615147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 61590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 61650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 61693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 617047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 61760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 61780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6181e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 6182e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 61830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 619147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 619447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6196e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 619747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6202e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6214bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 621947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=CoalesceImages(image,&image->exception); 622247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 622547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 622847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 62303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 623747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 624047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 625747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 626747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 627047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6272e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 6273e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 627447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 6276f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 6277f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 627847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6279f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6280e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 6281e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 6282f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 6283f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 628447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 628847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 629147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 629425c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 62973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 629947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 630247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 630547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 631025c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6333bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 63353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 6336bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 634947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 635547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 63603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 636347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 636747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 637547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 637847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 638347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 638647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 638947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 639547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 640047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 640547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 640847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 641347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 641847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 642847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 64313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 643247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 643947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 644247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 644747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque 24-bit RGB"); 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 645547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 64583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 646047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 64663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 646847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 647547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 648247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 648318b17443128598500357da7bff2f01683cf32890cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6484cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_semaphore=AllocateSemaphoreInfo(); 648518b17443128598500357da7bff2f01683cf32890cristy#endif 648647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 64913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 64963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 64993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 65033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 65053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 651747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6519cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 6520cf002022280cc4dedb2748ad6f415aac1d44f530glennrp DestroySemaphoreInfo(&ping_semaphore); 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 652525c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 65433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 65573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 65613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 65643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 65683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 65713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 65883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 65983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 65993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 6601cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 66023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 66043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6608bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 66153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 66163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 66193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 66203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 66263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 66300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 66363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text=(png_charp) png_malloc(ping,allocated_length); 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key=(png_charp) png_malloc(ping, (png_uint_32) 80); 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 66403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 66423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(dp,allocated_length- 6651f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 66523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 665347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6654bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 66553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 66573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 66603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 666147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 666847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 667147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6677cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 66784383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 66803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 66813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 66823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 66843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 66853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 66873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 66883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 66903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 669247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 669347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 669447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 66953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 669647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 66983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 6700cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 67013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 670247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 670347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 670447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 670547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 670647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 670747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6708cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 6709cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 6710cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 671147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 671247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 671347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 671447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 671547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 671647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 671747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 6718cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 671947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 67233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 672447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6728b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6729b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 6731b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp const ImageInfo *IMimage_info,Image *IMimage) 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6733b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp Image 6734b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image; 6735b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6736b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp ImageInfo 6737b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp *image_info; 6738b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 67403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 67433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 67443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 67493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 67513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 6752cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 6753cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 6754e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 6755e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 67565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 675739992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 675839992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 67593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 67615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 67625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 67635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 67715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 67725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 67735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6774bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 677858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 677921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 678058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 678158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 6782fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 6783d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 67848d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 678539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 6786991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 6787991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 6788991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 678926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 679026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 679126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 6792e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 679326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 679426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 679526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 679626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 679726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 679826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 679926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 6800e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 680126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 680226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 680326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 680426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 68050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 68060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 68073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 68083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 68103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6812bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 68143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 68153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6817cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_pixels; 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 6820f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 68210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 68225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 68235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 68245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 68255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 68265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 68275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6828bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 68295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 68305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 68313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6832bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 68333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 68363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6837dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 6838fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 6839f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 68408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 68418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 68428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 6843dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 6844dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6845dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 6846dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 6847dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 6848dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 68493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 6850fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 68513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6852b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image = CloneImage(IMimage,0,0,MagickFalse,&IMimage->exception); 6853b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 6854b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 6855b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 6856b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6857b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception) == 6858b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickFalse) 6859b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp { 6860b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 6861b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 6862b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp return(MagickFalse); 6863b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6864b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp } 6865b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 68663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 6867cf002022280cc4dedb2748ad6f415aac1d44f530glennrp LockSemaphoreInfo(ping_semaphore); 68683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 68693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 68705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 68710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 68725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 68735af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 68745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 68755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 68765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 68775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68785af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 68795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 68805af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 68815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 68825af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 68835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 68845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 68855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 68865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 68875af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 68885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 6889dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 6890dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 6891dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 6892dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 6893d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 68948d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 689539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 6896991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 6897991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 6898991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 6899991d11dd9c33e65872778b81aff1347cd2878154glennrp 69000e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 69010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 6902dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 69030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 69040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 69050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 69060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 69070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 69080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 69090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 69100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 6911dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 69120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 69130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 69140e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 69150e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 69170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 69188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 69198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 69208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 69218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 6922fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 6923fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 6924fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 6925fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6926fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 6927fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 6928fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6929fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 6930fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 6931fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6932fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 6933fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 6934fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colorspace != RGBColorspace) 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) TransformImageColorspace(image,RGBColorspace); 69370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 69383241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 69393241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 69403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 69413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 69423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 69433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp (void) SyncImage(image); 69443241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 6945a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 6946a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 6947a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 6948a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 6949a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6950a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 6951a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 6952a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 6953a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 6954a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 6955a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 6956a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 69572b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69582b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 69592b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 69602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 69612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 69622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 69632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 69642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 69658640fb5e9b1094f35f8beab436f81661b8a99448glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 6966c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 69678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png8 || LosslessReduceDepthOK(image) != MagickFalse) 69688640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 69698640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 69708640fb5e9b1094f35f8beab436f81661b8a99448glennrp 6971fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (j=0; j<3; j++) 6972d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 6973d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* BUILD_PALETTE 6974d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 6975d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 6976d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 6977d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 6978d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 6979d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 6980d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 6981d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 6982d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 6983d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 6984d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * If image->matte is MagickFalse, we ignore the opacity channel 6985d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 6986d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 6987d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 6988d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 6989d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 6990d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 6991d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 6992d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 6993d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 69943c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 6995d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ExceptionInfo 6996d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *exception; 69978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 6998d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 6999d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 70008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7001d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PixelPacket 7002d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 7003d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 7004d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 70058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7006d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp register IndexPacket 7007d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *indexes; 70088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 7009d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp register const PixelPacket 7010d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *s, 7011d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp *q; 7012d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7013fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp register PixelPacket 7014fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 7015fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7016d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7017d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7018d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 7019d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7020d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7021d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7022d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7023d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 7024d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7025d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 7026d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7027d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->matte=%.20g",(double) image->matte); 702803812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7029d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 70303c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7031fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 70327ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 70337ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7034d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 70358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7036d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " i (red,green,blue,opacity)"); 70372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7038d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 70397ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 7040d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7041d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7042d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7043d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7044d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7045d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7046d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 70477ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 70482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7049d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 7050d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7051d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 7052d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7053d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7054d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7055d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7056d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7057d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7058d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7059d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 7060d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7061d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7062d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 70632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7064d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7065d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 706683c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 7067d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 7068d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7069d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " (zero means unknown)"); 70707ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7071d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7072d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Regenerate the colormap"); 7073d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 70747ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7075d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp exception=(&image->exception); 7076d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7077d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 7078fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 7079fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 7080fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 70812cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7082d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7083d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7084d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 70857ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 7086d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7087d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 708897fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 7089d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7090d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7091d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->matte == MagickFalse || q->opacity == OpaqueOpacity) 70928d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7093d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 70948d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7095d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 7096d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7097d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[0]=*q; 7098d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[0].opacity=OpaqueOpacity; 7099d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 7100d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7101d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7102d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 7103d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7104d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(opaque+i, (PixelPacket *) q)) 7105d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7106d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7107d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7108d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_opaque && 7109d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque < 259) 7110d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7111d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 7112d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i] = *q; 7113d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i].opacity = OpaqueOpacity; 7114d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71158d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 71168d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 7117d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (q->opacity == TransparentOpacity) 71188d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7119d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 71208d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 7121d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 7122d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7123d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[0]=*q; 7124d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.red=(unsigned short)(q->red); 7125d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.green=(unsigned short) (q->green); 7126d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.blue=(unsigned short) (q->blue); 7127d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_trans_color.gray=(unsigned short) (q->blue); 7128d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 7129d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7130d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7131d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 7132d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7133d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(transparent+i, (PixelPacket *) q)) 7134d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7135d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7136d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7137d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 7138d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 7139d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7140d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 7141d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[i] = *q; 7142d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71438d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 71448d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 7145d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7146d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7147d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 7148d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7149d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 7150d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7151d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[0]=*q; 7152d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 7153d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71548d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 7155d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 7156d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7157d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(semitransparent+i, 7158d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (PixelPacket *) q) && 7159d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q->opacity == semitransparent[i].opacity) 7160d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7161d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7162d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7163d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 7164d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 7165d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7166d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 7167d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[i] = *q; 7168d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7169d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 7171d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q++; 7172d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7173d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71743c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7175d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_exclude_bKGD == MagickFalse) 7176d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7177d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 7178d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 7179d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7180d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 7181d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7182d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (IsColorEqual(opaque+i, 7183d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp &image->background_color)) 7184d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7185d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7186a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7187d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 718803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 7189d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i]=image->background_color; 7190d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[i].opacity = OpaqueOpacity; 7191d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 719203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 7193d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 71942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7195d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 71963241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7197d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7198d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7199d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 7200d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7201d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 72023241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7203d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7204d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7205d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 7206d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72073241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7208fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 7209d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7210d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 7211d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickFalse; 72123241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7213d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 7214d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7215d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7216d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7217d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 72186185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7219d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7220d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 72216185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7222d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 7223d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 7224d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 72256185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7226d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 7227d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7228d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 7229d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7230d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7231d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (s->red != s->green || s->red != s->blue) 7232d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7233d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 7234d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7235d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7236d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7237d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s++; 7238d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7239d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7241d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7242d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7243d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 7244d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 72456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7246d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (s->red != 0 && s->red != QuantumRange) 7247d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7248d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7249d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7250d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s++; 7251d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7252d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7253d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7254d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7255d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 72564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 7257d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 7258d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7259d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PixelPacket 7260d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 7261d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7262d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 7263d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 7264d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7265d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7266d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7267d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7268d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 7269d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7270d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 7271d6bf1617e99df0272b231855a933a74e99b6578fglennrp 7272d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 72733241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7274d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 7275d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 72763241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7277d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 7278d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 7279d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7280d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 7281d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 7282d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7283d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7284d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 7285d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 7286d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 7287d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 7288d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7289d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 7290d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7291d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 7292d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 7293d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7294d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 7295d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7296d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7297d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7298d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7299d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7300d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7301d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7302d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 7303d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 7304d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7305d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 73063241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 7307d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 7308d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 7309d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 7310d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 7311d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 7312d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7313d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 73146185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7315d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 7316d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7317d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 7318d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 73192cc891a179d622dde7bbb8854138851e828bc6eaglennrp 7320d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7321d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 7322d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7323d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7324d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 7325d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7326d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (AcquireImageColormap(image,image_colors) == 7327d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 7328d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ThrowWriterException(ResourceLimitError, 7329d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp "MemoryAllocationFailed"); 7330d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7331d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 7332d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 7333d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7334d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7335d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7336d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7337d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 7338d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 7339d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7340d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7341d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 7342d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7343d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7344fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 7345fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7346d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 7347d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7348d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1, 7349d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp exception); 73503c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7351d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (q == (PixelPacket *) NULL) 7352d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 73533c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7354d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp indexes=GetAuthenticIndexQueue(image); 7355d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7356d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 7357d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7358d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 735903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 7360d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((image->matte == MagickFalse || 7361d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i].opacity == q->opacity) && 7362d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (IsColorEqual(&image->colormap[i], 7363d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (PixelPacket *) q))) 73646185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 7365d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp indexes[x]=(IndexPacket) i; 7366d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 73676185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 736803812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 7369d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q++; 7370d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7371d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7372d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7373d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 7374d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7375d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7376d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 7377d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7378d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 7379d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7380d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7381d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 7382d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7383d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 7384d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7385d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7386d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " i (red,green,blue,opacity)"); 738783c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 7388d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 7389d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7390d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i < 300 || i >= image->colors - 10) 7391d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 7392d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7393d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 7394d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 7395d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 7396d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 7397d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 7398d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].opacity); 7399d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 74006185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 74016185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 74023c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7403d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 7404d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 7406d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 7407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 74083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7410d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 74113c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7412d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 7413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 7415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 741603812ae402fb53d548f0e1d7d14720768f803c2dglennrp 7417d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7418d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7419d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 74206185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7421d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 7422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7423d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 7424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 74256185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 7426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 7429a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 7431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 7433a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 7434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 7435d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 7437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 7438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 7439d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 74416185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 744203812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 744303812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 7444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 74453c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 7446fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png8) 7447fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7448fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors <= 256 && 7449fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image_colors != 0 && 7450fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent == 0 && 7451fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent <= 1) 7452fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7453fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7454fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* PNG8 can't have semitransparent colors so we threshold them 7455fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * to 0 or OpaqueOpacity 7456fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 7457fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 7458fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7459fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7460fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Thresholding the alpha channel to binary"); 7461fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7462fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 7463fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7464fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 7465fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp exception); 7466fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7467fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (r == (PixelPacket *) NULL) 7468fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7469fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7470fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 7471fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7472fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->opacity = r->opacity > OpaqueOpacity/2 ? 0 : 7473fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp OpaqueOpacity; 7474fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r++; 7475fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7476fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7477fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7478fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7479fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7480d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp if (image_colors != 0 && image_colors <= 256 && 7481d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp image->colormap != NULL) 7482fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (i=0; i<image_colors; i++) 7483fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].opacity = 7484fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].opacity > OpaqueOpacity/2 ? 0 : 7485fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp OpaqueOpacity; 7486fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7487fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp continue; 7488fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7489fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7490fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* PNG8 can't have more than 256 colors so we do a quick and dirty 7491fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * quantization of the pixels and background color to the 3-3-2 7492fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * palette. 7493fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 7494d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp if (image_colors != 0 && image_colors <= 256 && 7495d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp image->colormap != NULL) 7496fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7497fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7498fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7499fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Quantizing the background color to 3-3-2"); 7500fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7501fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.red = 7502fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (image->background_color.red & 0xe0) | 7503fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.red & 0xe0) >> 3) | 7504fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.red & 0xc0) >> 6); 7505fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.green = 7506fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (image->background_color.green & 0xe0) | 7507fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.green & 0xe0) >> 3) | 7508fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.green & 0xc0) >> 6); 7509fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.blue = 7510fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (image->background_color.blue & 0xe0) | 7511fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.blue & 0xe0) >> 3) | 7512fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->background_color.blue & 0xc0) >> 6); 7513fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7514fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7515fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.red <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7516fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.green <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7517fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->background_color.blue <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7518fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#endif 7519fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7520fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7521fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7522fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Quantizing the pixel colors to 3-3-2"); 7523fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 7524fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7525fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r=GetAuthenticPixels(image,0,y,image->columns,1, 7526fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp exception); 7527fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7528fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (r == (PixelPacket *) NULL) 7529fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 75308d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 7531fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 7532fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7533fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->red = (r->red & 0xe0) | ((r->red & 0xe0) >> 3) | 7534fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((r->red & 0xc0) >> 6); 7535fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->green = (r->green & 0xe0) | ((r->green & 0xe0) >> 3) | 7536fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((r->green & 0xc0) >> 6); 7537fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->blue = (r->blue & 0xe0) | ((r->blue & 0xe0) >> 3) | 7538fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((r->blue & 0xc0) >> 6); 7539fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7540fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->red <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7541fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->green <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7542fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r->blue <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7543fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#endif 7544fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp r++; 7545fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7546fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7547fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 7548fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7549fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7550c722dd852e8abe407c2846d39662f7ade9c234deglennrp 7551d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp if (image_colors != 0 && image_colors <= 256 && 7552d7d0418dd0afcd0b9948254cd6e88a8f6c9f051eglennrp image->colormap != NULL) 7553fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7554fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7555fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7556fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Quantizing the colormap to 3-3-2"); 7557fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (i=0; i<image_colors; i++) 7558fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7559fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].red = (image->colormap[i].red & 0xe0) | 7560fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].red & 0xe0) >> 3) | 7561fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].red & 0xc0) >> 6); 7562fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].green = (image->colormap[i].green & 0xe0) | 7563fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].green & 0xe0) >> 3) | 7564fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].green & 0xc0) >> 6); 7565fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].blue = (image->colormap[i].blue & 0xe0) | 7566fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].blue & 0xe0) >> 3) | 7567fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ((image->colormap[i].blue & 0xc0) >> 6); 7568fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7569fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].red <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7570fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].green <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7571fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].blue <<= (MAGICKCORE_QUANTUM_DEPTH-8); 7572fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#endif 7573fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7574fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7575fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp continue; 7576fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7577fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7578fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7579fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 7580fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7581fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7582fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 7583fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7584fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 7585fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 7586fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 7587fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 75880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 75890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 75900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 75910e8ea19baa0666ccfe869d19116372f60fe9230fglennrp int colortype=mng_info->write_png_colortype; 75920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 75930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 75940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 75950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 75960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 75970e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 75980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 75998d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 76008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp mng_info->write_png_colortype != (ssize_t) colortype) 76010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 76020b206f5daa453dc1035db5890cabc899736dc2d0glennrp 76030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 76040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 7605fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 7606fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 7607fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 76085a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 76095a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 76105a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 7611fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 76125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 76135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 7614fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7615fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 7616fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7617fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 7618fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7619fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7620fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 7621fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 7622fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7623fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ExceptionInfo 7624fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *exception; 7625fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7626fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp register const PixelPacket 7627fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 7628fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7629fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp exception=(&image->exception); 7630fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7631fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 7632fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7633fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 7634fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7635fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (q == (PixelPacket *) NULL) 7636fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7637fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7638fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 7639fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7640fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (q->opacity != TransparentOpacity && 7641fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->red == ping_trans_color.red && 7642fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->green == ping_trans_color.green && 7643fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (unsigned short) q->blue == ping_trans_color.blue) 7644fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7645fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7646fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7647fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7648fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7649fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q++; 7650fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7651fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7652fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 7653fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7654fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7655fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7656fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 7657fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7658fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Assuming that image->colormap[0] is the one transparent color 7659fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and that all others are opaque. 7660fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 7661fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 7662fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (i=1; i<image_colors; i++) 7663fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->colormap[i].red == image->colormap[0].red && 7664fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].green == image->colormap[0].green && 7665fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap[i].blue == image->colormap[0].blue) 7666fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7667fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7668fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 7669fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7670fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7671fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7672fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 7673fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 7674fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 7675fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7676fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 7677fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 7678fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 7679fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7680fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 7681fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7682fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 7683fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 7684fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 7685fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 76863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 76873c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 76883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 76893c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 7690f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 76913c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_matte=image->matte; 769283c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 76930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 76941273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp image_colors <= 256 && image->colormap != NULL; 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,image, 7701cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 7702cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 77030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,image, 7706cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 77070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 77093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 77103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 77110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 77130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 77153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 77173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 77183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 7721cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) NULL; 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 77243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 77273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 77293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 77303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 77313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 77333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 7734cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7736b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 7737b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 7738b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 7739b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 77403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 77413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7742c722dd852e8abe407c2846d39662f7ade9c234deglennrp 7743c722dd852e8abe407c2846d39662f7ade9c234deglennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 7744c722dd852e8abe407c2846d39662f7ade9c234deglennrp (image->colors == 0 || image->colormap == NULL)) 7745c722dd852e8abe407c2846d39662f7ade9c234deglennrp { 7746c722dd852e8abe407c2846d39662f7ade9c234deglennrp png_error(ping, "Cannot write PNG8 or color-type 3; colormap is NULL"); 7747c722dd852e8abe407c2846d39662f7ade9c234deglennrp } 7748c722dd852e8abe407c2846d39662f7ade9c234deglennrp 77493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 77503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 77513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 77523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 77533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 77543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 77552b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 77573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 77583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 77593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 77602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 77623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 77632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 77652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77664e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 77674e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 77682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 77693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 77703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 77710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 77733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 77740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 77763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 77773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 77780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 77803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 77810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 77833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 77840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 77853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 77863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7788e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 77893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7790e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 77913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7792e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_matte=%.20g",(double) image->matte); 77933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 77948640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 77953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 77968640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 77973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77988640fb5e9b1094f35f8beab436f81661b8a99448glennrp 77993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 78005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 7801dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 780226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 78033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 780426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 780526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 78063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->x_resolution != 0) && (image->y_resolution != 0) && 78073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 78083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 7810dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7811dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 78123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 78143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7815dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7816dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution/2.54); 7817dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution/2.54); 78183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7819dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 78203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 78213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7822dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 7823dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) (100.0*image->x_resolution); 7824dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) (100.0*image->y_resolution); 78253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7826991d11dd9c33e65872778b81aff1347cd2878154glennrp 78273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 78283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7829dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 7830dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution=(png_uint_32) image->x_resolution; 7831dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution=(png_uint_32) image->y_resolution; 78323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7833991d11dd9c33e65872778b81aff1347cd2878154glennrp 7834991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 78353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 783626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 78373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7838a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 783926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 784026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 7841a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 78423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 7843a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 7844a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 7845a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 7846a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 7847a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 7848a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 78490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7850a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 7851a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 78520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7853a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 7854a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 78550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7856a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 7857a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 78580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7859a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 7860a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 78610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7862a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 7863a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 78640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7865a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 7866a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 78670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 78680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 78703b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 78713b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78723b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 78733b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 78743b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 78753b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 78763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 78770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 787926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 78803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 78823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 78833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 78843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 78853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 78860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78871273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 78883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 78890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7890fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 78910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 78920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 78948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 78958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 78960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 78970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 78980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 78990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 79000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 79010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 79030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 7905f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 79060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 79080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 79090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 79100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 79110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 79120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 79130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if MAGICKCORE_QUANTUM_DEPTH == 8 79150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 79163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 79170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %5ld (%5d,%5d,%5d)", 79183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 79190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 79203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 79222b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 79238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 79248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 79258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 79265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 792758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 79288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 79290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 79300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 79310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 79320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 79338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 79343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 79368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 79370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79392cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 79408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 79410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 79430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 79440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 79468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 79478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 79480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79491273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 79504f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 79511273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 79521273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 79531273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 79541273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 79554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 79564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 79574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 79580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 79604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 79613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 79620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png24) 79643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 79665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 79673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (mng_info->write_png32) 79703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 79725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 79733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 79763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79775af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 79780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 79803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 79820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79835af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 79845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 79853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 79862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 79878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 79888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 79893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 79900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 79918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* write_ping_colortype not specified */ 79923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 79933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 79943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 79953c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 79960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7997d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 79988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 79990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8000d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 80013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 80033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 80043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8006d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 80073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 80093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 80103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80125aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 80135aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 80145aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 80155aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 80165f1c1fff2a55c4d8756556e78c1f307d352ed1b8cristy if (image_info->type == UndefinedType || 80178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_info->type == OptimizeType) 80183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80195aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 80208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 80215aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 80225aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 80235aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 80245aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 80255aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 80260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80270b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 80285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 80295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 80305aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 80315aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 80328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 80335aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 80345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 80355aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 80365aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 80375aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 80385aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 80395aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 80408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 80410b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 80425aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 80435aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 80445aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 80455aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 80465aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 80470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80485aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 80493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 80513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 805226c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 80538640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 805426c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 80555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 80560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 80570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 80580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 80590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 80600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 80610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 80623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8063d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 8064d6bf1617e99df0272b231855a933a74e99b6578fglennrp 80655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 80663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 80678d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (image->matte == MagickFalse && ping_have_non_bw == MagickFalse) 80688d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 80693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 80708640fb5e9b1094f35f8beab436f81661b8a99448glennrp 80715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 80723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 807335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 80745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 80750f111984738842d27d04aed2a3f823d82a943506glennrp 80760f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 80770f111984738842d27d04aed2a3f823d82a943506glennrp { 80780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 80790f111984738842d27d04aed2a3f823d82a943506glennrp (void) ThrowMagickException(&image->exception, 80800f111984738842d27d04aed2a3f823d82a943506glennrp GetMagickModule(),CoderError, 80810f111984738842d27d04aed2a3f823d82a943506glennrp "image has 0 colors", "`%s'",""); 80820f111984738842d27d04aed2a3f823d82a943506glennrp } 80830f111984738842d27d04aed2a3f823d82a943506glennrp 808435ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 80855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 8086d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 80873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8088d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 8089d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8090d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8091d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 80920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8093d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8094d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 8095d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 80960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8097d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 8098d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 80993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 81015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 81022b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 81043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8106e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Tentative PNG color type: %.20g",(double) ping_color_type); 81070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8109e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 81100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8112e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 81130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 81153c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 81168640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 81178640fb5e9b1094f35f8beab436f81661b8a99448glennrp 81188640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8119e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 81203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 81213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 812258e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 81233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 81244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 81254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 81272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_color != MagickFalse) 81294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 81302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 81324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 81333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 81344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 81354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 81374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 81384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 8139a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 81404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 81414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type&=0x03; 81424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 81430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81444f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 81454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 81471273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp mask; 81483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 81494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 81500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 81524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 81530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 81554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 81560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 81584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 81590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 81614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 81620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 81644f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 81650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 81674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 81680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 81704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 81710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 81734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(PixelIntensityToQuantum( 81744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 81750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 81770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81784f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 81794f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 81800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81814f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 81824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 8184fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 8185fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 8186fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 8187fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 8188fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 81894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 81902b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 81914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 81924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 81940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 81954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 81964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 81974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 81984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 81994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 82004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 82014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 82024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 82034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 82044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 82054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 82063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 82073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 82095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 82105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 82115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 82123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82158640fb5e9b1094f35f8beab436f81661b8a99448glennrp 82163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 82170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82182e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 82193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 82200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 822139992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 82223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 82238d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 82248d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 82253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 822635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 82270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 82299c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 82300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 82344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 82353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 82364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 82374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 82384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 82394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 82404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 82414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 82424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 82434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 82443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 82473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 82480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_colors == 0 || image_colors-1 > MaxColormapSize) 8250f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 82510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 82535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 82540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 82563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 82585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 82593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 82613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 82630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 826435ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 8265bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 82665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 82673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82692b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 8270fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#if 1 /* To do: Enable this when low bit-depth grayscale is working */ 82710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 82720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 82733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 82743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 82773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 82783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 82793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 82803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 82813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8282bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 82833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 82843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 82853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 82863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 82883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 82893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 82903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 82910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 82933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 82940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 82963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 82973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 82982b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 82993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 83009c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 83010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8302fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#if 0 /* To do: Enable this when bit depths 2 and 4 are working. */ 83033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 83049c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 83050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 83079c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 8308fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp#endif 83093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8310d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp#endif /* 1 */ 83113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83122b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 83143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 83170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 83193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 832017a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 832117a1485544c62993fc7a94e343c87fed5f3e6407glennrp 83223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 83233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 83253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 83263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 83275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 83280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 832958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (mng_info->have_write_global_plte && matte == MagickFalse) 83303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83319c1eb0729653219b9da9037e044501a6dce79d10glennrp png_set_PLTE(ping,ping_info,NULL,0); 83320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83333b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 83349c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 83359c1eb0729653219b9da9037e044501a6dce79d10glennrp " Setting up empty PLTE chunk"); 83363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 83393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8340bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 83413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 83423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 83433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 83443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 83453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83473b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 83483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 834998156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 8350f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 83510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 835239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 83533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 8356d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 83573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8358befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 8359befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 8360befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 83615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 8362befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 83630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8364befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy while ((one << ping_bit_depth) < number_colors) 83655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 83663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 83670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 83685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 83690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 837058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 83710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 83720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 8373d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 8374d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 83750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 83763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8377d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 8378d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 83793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 83800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 83810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 83820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8383d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 83840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8385c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8386c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8387c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8388c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 8389c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8390d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 8391d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8392d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 8393d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 8394d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_trans_alpha[i]= (png_byte) (255- 8395d6bf1617e99df0272b231855a933a74e99b6578fglennrp ScaleQuantumToChar(image->colormap[i].opacity)); 8396d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 83970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 83980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 83993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 84033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8404c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 84053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 84063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 84070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 84083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 84093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 84114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 84124f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 84144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 84154f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 84164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 84174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 84184f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 84195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 84205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 84215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 84225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 84234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 84244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 84254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 84264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 84284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 84294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 84304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 84314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 84323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 84343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84354383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 84364383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 84372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 84383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 84393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 84403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 84415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 84423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 84433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 84443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 84453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 84463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 844735ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 844835ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 844935ef824baa82511126ff0072ae30eee0da9c05a3cristy 845022ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 84513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 845326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 84543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8455a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.gray=(png_uint_16) 84563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (QuantumScale*(maxval*(PixelIntensity(&image->background_color)))); 84573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 84593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84603c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Setting up bKGD chunk (2)"); 84613b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 8462991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 846326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 84643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 84655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=(png_uint_16) (QuantumScale*(maxval* 84665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray)); 84673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 846817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 846926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 847026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 84711273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 847217a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 847317a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 847417a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 847517a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 847617a1485544c62993fc7a94e343c87fed5f3e6407glennrp 847717a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 847817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8479a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 8480a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 848117a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 848217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 848317a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 848417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 84853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 84860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 84870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 84890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8490a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 849113d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 8492a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 84930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 84943b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 84953b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 84960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 84970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 84990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 85000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 85010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 85020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8503a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 850417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 8505d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 85063c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 85073b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 85083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85093b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 85103c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 85113c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 851217a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 851326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 851417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 85153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color type: %d",ping_color_type); 85183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 85193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 85203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 85213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 85230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 85250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 85280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 85290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 85310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 85350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_mem_level(ping, 9); 85370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality=image->quality == UndefinedCompressionQuality ? 75UL : 85393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->quality; 85400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quality > 9) 85423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 85443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 85453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 85470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression level: %d",level); 85510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_level(ping,level); 85533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 85563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression strategy: Z_HUFFMAN_ONLY"); 85600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_strategy(ping, Z_HUFFMAN_ONLY); 85623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up filtering"); 85673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 85693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* This became available in libpng-1.0.9. Output must be a MNG. */ 85703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && ((quality % 10) == 7)) 85713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: PNG_INTRAPIXEL_DIFFERENCING"); 85750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85765af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 85773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 85780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 85803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 85813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Filter_type: 0"); 85833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 85842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 85853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 85863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 85873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter; 85883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 85893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((quality % 10) > 5) 85908640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 85910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85928640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 85938640fb5e9b1094f35f8beab436f81661b8a99448glennrp if ((quality % 10) != 5) 85943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy base_filter=(int) quality % 10; 85950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 85968640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 85978640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 85985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 85993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (quality < 50)) 86008640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_NO_FILTERS; 86010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86028640fb5e9b1094f35f8beab436f81661b8a99448glennrp else 86038640fb5e9b1094f35f8beab436f81661b8a99448glennrp base_filter=PNG_ALL_FILTERS; 86040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 86053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 86063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (base_filter == PNG_ALL_FILTERS) 86083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: ADAPTIVE"); 86103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 86113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 86123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Base filter method: NONE"); 86133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86142b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 86153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,base_filter); 86163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8618c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse) 8619c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8620c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 8621c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 86223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8623c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 86240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8625c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 8626c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8627c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 8628c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 8629c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 863026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 8631c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 8632c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 8633c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8634c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp png_set_iCCP(ping,ping_info,(const png_charp) name,0, 8635e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 8636c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 8637e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 8638e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 8639e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 8640c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8641c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 864226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 86430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8644c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 86453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8646c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 8647c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8648cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 8649c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 8650c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 8651c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 8652c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8653c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 86540b206f5daa453dc1035db5890cabc899736dc2d0glennrp 8655c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8656c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8657c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 86580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8659c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 8660c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 86613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 86623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 86633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 86643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 86653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->rendering_intent != UndefinedIntent) || 86663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->colorspace == sRGBColorspace))) 86673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 866826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 866926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 867026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 867126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 867226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 867326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 867426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 867526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 86760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 867726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 8678cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 8679cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 86800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 868126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_gAMA == MagickFalse) 868226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_gAMA(ping,ping_info,0.45455); 868326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 86843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 868526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 86865af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 86873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 86883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86892cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 86902cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 869126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 869226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 86933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 86943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 86953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 86963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 86973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 86983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 86993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 87003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 87023b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 87033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 87043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 870526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 87062b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 870726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_cHRM == MagickFalse) 87083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 870926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 871026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 871126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 871226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 871326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 871426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 871526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 871626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 871726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 871826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 871926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 872026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 872126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 872226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 872326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 872426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 872526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 872626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 872726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 872826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 872926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 873026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 873126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 873226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 873326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 873426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 87353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8736dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 87375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=image_info->interlace != NoInterlace; 87383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 87403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 87413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Bail out if cannot meet defined PNG:bit-depth or PNG:color-type */ 87433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8744d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_colortype != 0) 87453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 87478d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 87483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB; 87502b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 87515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 87525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 87533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 87553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 87568d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (ping_have_color != MagickFalse) 87575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 87583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 87600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse || 87610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ((mng_info->write_png_depth && 87625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (int) mng_info->write_png_depth != ping_bit_depth) || 87633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->write_png_colortype && 87645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 8765991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp mng_info->write_png_colortype != 7 && 87660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 87673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 87693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_need_colortype_warning != MagickFalse) 87710e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 87720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp " Image has transparency but tRNS chunk was excluded"); 87740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 87750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 87773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth=%u, Computed depth=%u", 87803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth, 87815af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth); 87823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 87853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 87873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type=%u, Computed color type=%u", 87883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1, 87895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type); 87903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 87933bd2e411d0f07c705a40c2c73ce7eda3f1f03e0cglennrp png_warning(ping, 87943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Cannot write image with defined PNG:bit-depth or PNG:color-type."); 87953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 87963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 879758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (image_matte != MagickFalse && image->matte == MagickFalse) 87983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 87993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Add an opaque matte channel */ 88003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->matte = MagickTrue; 88013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageOpacity(image,0); 88020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8803b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (logging != MagickFalse) 8804b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8805b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Added an opaque matte channel"); 88063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 88073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88080e319739731741c52a6303723e0c8678a0df5579glennrp if (number_transparent != 0 || number_semitransparent != 0) 8809e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp { 8810991d11dd9c33e65872778b81aff1347cd2878154glennrp if (ping_color_type < 4) 8811c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 8812991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickTrue; 8813c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 8814c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8815c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting ping_have_tRNS=MagickTrue."); 8816c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 8817e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp } 8818e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp 88193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 88203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG header chunks"); 88223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 88235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 88245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth,ping_color_type, 88255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method,ping_compression_method, 88265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method); 88275af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 882839992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 882939992b4dd9b12ef752d55b8e402c069698851f72glennrp { 8830f09bdedccf9ca10bc002a946227df3367cb58d14glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 88310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 88323b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 883339992b4dd9b12ef752d55b8e402c069698851f72glennrp { 88348640fb5e9b1094f35f8beab436f81661b8a99448glennrp for (i=0; i< (ssize_t) number_colors; i++) 88350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 8836d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (i < ping_num_trans) 88370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8838d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 8839d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 88400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 88410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 88420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue, 8843d6bf1617e99df0272b231855a933a74e99b6578fglennrp (int) i, 88440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_alpha[i]); 88450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 88460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8847d6bf1617e99df0272b231855a933a74e99b6578fglennrp " PLTE[%d] = (%d,%d,%d)", 88480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) i, 88490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].red, 88500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].green, 88510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) palette[i].blue); 88520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 885339992b4dd9b12ef752d55b8e402c069698851f72glennrp } 885439992b4dd9b12ef752d55b8e402c069698851f72glennrp } 885539992b4dd9b12ef752d55b8e402c069698851f72glennrp 885626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 885726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 885826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 885926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 886026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8861991d11dd9c33e65872778b81aff1347cd2878154glennrp 886226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 8863dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 886426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 886526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 886626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 886726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 886826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 886926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 887026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8871dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8872dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8873dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 88744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 8875dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 887626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 887726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 887826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 887926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 8880dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 888126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 888226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 888326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 888426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 888526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 8886dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 8887dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 8888dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 88893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 8890991d11dd9c33e65872778b81aff1347cd2878154glennrp 889139992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 8892991d11dd9c33e65872778b81aff1347cd2878154glennrp { 88933b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 88940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 88950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 88960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 88970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8898991d11dd9c33e65872778b81aff1347cd2878154glennrp 88990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 89000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 89010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 89020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 89030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 8904991d11dd9c33e65872778b81aff1347cd2878154glennrp 89050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 89060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 89070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 89080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 89090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 89100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 89110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89123b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 89130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 89140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8915c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 89160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 89170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 89180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 89190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 89200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 89210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 8922991d11dd9c33e65872778b81aff1347cd2878154glennrp 89233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 8924cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 89253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 8926991d11dd9c33e65872778b81aff1347cd2878154glennrp 89273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 8928cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 89293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 893026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 89313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 89324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 89334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 893426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 893526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 893626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 893726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 893826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 893926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 894003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 894126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 894226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 894326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 894426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 894526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 894626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 89473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 89509c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 89513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 89529c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 89533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 89543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 89553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 89563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 89573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 89593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 8961b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 8962b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 89637202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 89643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8965b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 89663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 8967b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 89680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8969b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 8970b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 8971b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 89720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8973b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 89743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 8975b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 89760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8977b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 8978b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 89793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 89803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 89813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 89823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8983b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8984b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 89850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8986b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8987e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 89883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 8989cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) AcquireQuantumMemory(rowbytes, 8990cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 89910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 8992cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels == (unsigned char *) NULL) 89933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 89940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 89953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 89963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 89973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 89985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 89993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 90023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 90033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 90043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 90053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 90063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 90073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 90083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_info != (QuantumInfo *) NULL) 90093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info=DestroyQuantumInfo(quantum_info); 9010cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_pixels != (unsigned char *) NULL) 9011cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 90123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9013cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 90143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9015b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 9016b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9017b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9018b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 90193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 90203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9021ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 9022ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 9023ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 90243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 90253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 90263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 90278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 90283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 90298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 90308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 90313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 90328d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 90338d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 90343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 90363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register const PixelPacket 90373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 90380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 90403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 90413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 90433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 90443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9045bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 90463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9047d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 90483b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 90493b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 9050a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 90513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 90520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 90543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 90550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 90573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9059cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 90603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 90613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 90623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 90633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 9065bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 9066cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 90673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 90683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 90723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9074cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 90753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 9078bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 9079cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 90803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 90810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90823b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9083b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9084b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 90850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9086cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 90873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 90893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 90913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 90923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 90933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 90960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 90978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 90983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 90990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 91003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !mng_info->write_png32) && 910158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp (image_matte != MagickFalse || 91025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 91038d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 91043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 91068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 91070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 91093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 9111bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 91123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 91142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p == (const PixelPacket *) NULL) 91163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 91172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 91193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 91213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9122cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 91232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 91253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9126cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 91272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 91298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 91313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 9134b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 91353b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9136b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 91382cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9140cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels,&image->exception); 9141b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 91422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91433b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9144b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 91462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9147cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 91483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 91492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 91518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 91528bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 91538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 91548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 91558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 91603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp register const PixelPacket 91628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 91630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 91648bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 91653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 91668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((image_depth > 8) || (mng_info->write_png24 || 91678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 91688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) 91698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 91708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 9171b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 91728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1, 91738bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 91742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 91768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 91772cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 91798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 91808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 91818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9182cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RedQuantum,ping_pixels,&image->exception); 91832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 91858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9186cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 91878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 91908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 91918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9192cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 91938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp &image->exception); 91942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 91958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 91968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 91978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 91988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 91992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 92018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9202cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RGBAQuantum,ping_pixels,&image->exception); 92032cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 92058bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9206cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,RGBQuantum,ping_pixels,&image->exception); 92072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 9209b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 92112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9212cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 9213b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 92148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 92178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* not ((image_depth > 8) || (mng_info->write_png24 || 92188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 92198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (!mng_info->write_png8 && !mng_info->IsPalette))) */ 92208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 92228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 92238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 92258bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 92272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 92298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 92308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 92338640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 92348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 92358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 92372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); 92392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (p == (const PixelPacket *) NULL) 92418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 92422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 92448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9245cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayQuantum,ping_pixels,&image->exception); 92462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 92488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 92508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 92522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92538bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 9254cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 9255d6bf1617e99df0272b231855a933a74e99b6578fglennrp &image->exception); 92568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 92598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 9260fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: 92615eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp * 92625eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp * This is failing to account for 1, 2, 4-bit depths 92635eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp * The call to png_set_packing() above is supposed to 92645eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp * take care of those. 92655eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp */ 92665eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 92675eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp /* GrayQuantum does not work here */ 92685eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) ExportQuantumPixels(image,(const CacheView *) NULL, 92695eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp quantum_info,IndexQuantum,ping_pixels,&image->exception); 92702cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92715eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 92725eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 92735eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92745eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " Writing row of pixels (4)"); 92755eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 92765eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 92775eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 92785eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 92795eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 92808bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 9281cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 92828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 92858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 92868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 92878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 92888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 92898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 92908640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 92913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 92938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 92948bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 9295b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 9296b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 92973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 92983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 92993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9301b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 93020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9304e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 93050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9307e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 93080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 93103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:bit-depth: %d",mng_info->write_png_depth); 93133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 93170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Defined PNG:color-type: %d",mng_info->write_png_colortype-1); 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 93260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Generate text chunks. 93323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 933326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt == MagickFalse && ping_exclude_zTXt == MagickFalse) 93343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 933526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 933626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 933726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 933826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 933926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 934026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 93412cc891a179d622dde7bbb8854138851e828bc6eaglennrp 934226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp value=GetImageProperty(image,property); 934326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (value != (const char *) NULL) 934426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 934526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text=(png_textp) png_malloc(ping,(png_uint_32) sizeof(png_text)); 934626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].key=(char *) property; 934726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text=(char *) value; 934826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text[0].text_length=strlen(value); 93492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 935026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_tEXt != MagickFalse) 93514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 93522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 935326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else if (ping_exclude_zTXt != MagickFalse) 93544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 93552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 935626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp else 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].compression=image_info->compression == NoCompression || 93594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image_info->compression == UndefinedCompression && 93604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 93614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp PNG_TEXT_COMPRESSION_zTXt ; 93623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93632cc891a179d622dde7bbb8854138851e828bc6eaglennrp 936426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 936526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 936626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 936726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up text chunk"); 93682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 936926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 937026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " keyword: %s",text[0].key); 937126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 93722cc891a179d622dde7bbb8854138851e828bc6eaglennrp 937326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_text(ping,ping_info,text,1); 937426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_free(ping,text); 937526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 937626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 937726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 93783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 9381cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 93823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 93843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 93853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 93860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 93880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 93903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 93925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 93935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 93963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 94023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 940303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 94053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 94073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 94083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 94093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 94103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 94113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 94133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 94145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 94153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 94175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 94193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 94203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 94213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 94263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 94293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(&image->exception,GetMagickModule(), 94303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Cannot convert GIF with disposal method 3 to MNG-LC", 94313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 94320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 94343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 94353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 94365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 94373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9439cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_pixels=(unsigned char *) RelinquishMagickMemory(ping_pixels); 94403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_SETJMP_NOT_THREAD_SAFE) 9442cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 94443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9445b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp if (mng_info->need_blob != MagickFalse) 9446b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) CloseBlob(image); 9447b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9448b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image_info=DestroyImageInfo(image_info); 9449b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp image=DestroyImage(image); 9450b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9451b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 9452b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 9453b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 9454b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 9455b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp (void) SetImageProperty(IMimage,"png:bit-depth-written",s); 9456b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 94573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 94600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 94623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 94643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 94663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 94673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 94713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 94743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 94753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 94773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 94783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 94803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 94823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 94843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 94883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 94923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 94943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 94963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 94973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pseudo-formats which are subsets of PNG: 94983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 94995a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 95005a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 95013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 95023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 95035a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 95045a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 95055a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% colors are present, they will be quantized to the 3-3-2 95065a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% palette. If you want better quantization or dithering of 95075a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% the colors or alpha, you need to do it before calling the 95085a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 95095a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 95103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 95115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 95125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 95135a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 95143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 95163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 95175a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 95185a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 95195a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 95205a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 95215a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 95223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 95243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 95253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 95260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 95275a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 95285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 95293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 95313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 95323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 9533bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 9534bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 9535bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 95363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 95383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 95403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 95413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 95433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 95443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 95463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 95473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 95483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 95493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 95513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 95523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95535a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% If the image cannot be written without loss with the requested bit-depth 95545a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% and color-type, a PNG file will not be written, and the encoder will 95555a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% return MagickFalse. 95565a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 95573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 95583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 95593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 95605a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 95615a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% or transparency limitations. 95623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% TODO: Enforce the previous paragraph. 95643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 95663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 95673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 95683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 95703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 95713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 95723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 95733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 95753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 95773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 9578bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 9579bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 95803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 95823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 95833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 9584bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 95853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 9586bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 95873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 95883241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 95890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 9590d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 95910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 95920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 95930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 9594cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 95950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 9596d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 9597d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 9598d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% requested via the "-define PNG:bit-depth=N" option. 9599d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 9600d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 9601d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 9602d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 96030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 96043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 96053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 96063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 96073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image *image) 96083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 96093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 961021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 961121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 961221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 96133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 96143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 96163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 96173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 96193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 96203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 962221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp i, 96235c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 96245c7cf4e469a4dad7e277783749155932252c52dfglennrp 96253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 96273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 96293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 96303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 96313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 96323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 9633fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 96343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 96363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 963873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 96390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 96413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 96420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 96463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 96473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 9648a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 96493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 96503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 96543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 96563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96599c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 96609c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 96619c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 96623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 96653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96669c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 96679c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 96689c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 96690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96709c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 96719c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 96720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96739c1eb0729653219b9da9037e044501a6dce79d10glennrp else 96749c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 96750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96769c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 96773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 96803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96819c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 96829c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 96839c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 96840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96859c1eb0729653219b9da9037e044501a6dce79d10glennrp if (image->matte == MagickTrue) 96869c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorMatteType); 96870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96889c1eb0729653219b9da9037e044501a6dce79d10glennrp else 96899c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SetImageType(image,TrueColorType); 96900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96919c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) SyncImage(image); 96923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:bit-depth"); 96958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 96963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 96973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 96999c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 97000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 97029c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 97030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 97059c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 97060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 97089c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 97090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 97119c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 97120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9713bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9714bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9715bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9716bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 9717bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9718bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 97193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97209c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9721bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 97223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageOption(image_info,"png:color-type"); 97250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 97273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 97293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 97309c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 97310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 97339c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 97340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 97369c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 97370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 97399c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 97400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 97429c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 97430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9744bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 9745bb8a733a352d1143bf6e823471ccce72aee8189fglennrp (void) ThrowMagickException(&image->exception, 9746bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 9747bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 9748bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 9749bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 97503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97519c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9752d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 97533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 97550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 97560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97570dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 97580e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 97590e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Chunks can be listed for exclusion via a "PNG:exclude-chunk" 97610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 97620e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 97630e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 97640e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 97650e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97660e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 97670e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * A "PNG:include-chunk" define takes priority over both the 97690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * mng_info and the "PNG:exclude-chunk" define. Like the 97700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 97710dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 97720dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 97730dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 97740dff56c31fb2f5daa9744018ca533e387c246afcglennrp * appear in the "include-chunk" list. 97750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 97770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 97780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 97790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 97810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 97820e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 97830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 97850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 97860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 97870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 97880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * artifact to "none,gama". 97890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 97900e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 979126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 979226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 979326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 979426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 979526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 979626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 979726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 979826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 979926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 980026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 980126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 9802a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 980326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 980426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 980526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 980626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 980703812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickFalse; 980803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 98095c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 98105c7cf4e469a4dad7e277783749155932252c52dfglennrp { 98115c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9812acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 98135c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 9814acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9815acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9816acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:exclude-chunks"); 9817acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 98185c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9819acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 98205c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 982126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9822acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9823acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:exclude-chunks"); 9824acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9825acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 982603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 982703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 982826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 982903812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 983003812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 983126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 983203812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 983326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 983403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 98352cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 98362cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 98372cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98382cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 98392cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 98402cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98412cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image properties.\n", value); 98422cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 984303812ae402fb53d548f0e1d7d14720768f803c2dglennrp 984403812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 984503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 984603812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 984703812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 984803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 984903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 985003812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 985103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 985203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 985303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 985403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 985503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 985603812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 985703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 985803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 985903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 986003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 9861a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 986203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 986303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 986403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 986503812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 986603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 98672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 986803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 986903812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 987003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 987103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 987203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 987303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 987403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 987503812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 987603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 987703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 987803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 987903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9880a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 988103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 988203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 988303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 988403812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 98852cc891a179d622dde7bbb8854138851e828bc6eaglennrp 988603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 988703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 98882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 988903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 989003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 98912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 989203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 989303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 98942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 989503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 989603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 98972cc891a179d622dde7bbb8854138851e828bc6eaglennrp 989803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 989903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 99002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 990103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 990203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 990303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickTrue; 990403812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 99052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 990603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 990703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 99082cc891a179d622dde7bbb8854138851e828bc6eaglennrp 990903812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 991003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 99112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 991203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 991303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 99142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9915a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 9916a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickTrue; 99172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 991803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 991903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 99202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 9921a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 9922a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 9923a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 992403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 992503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 99262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 992703812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 992803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 99292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 993003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 993103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 99322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 993303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 9934ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 993526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 993626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 99375c7cf4e469a4dad7e277783749155932252c52dfglennrp for (source=0; source<1; source++) 99385c7cf4e469a4dad7e277783749155932252c52dfglennrp { 99395c7cf4e469a4dad7e277783749155932252c52dfglennrp if (source==0) 9940acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 99415c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageArtifact(image,"png:include-chunk"); 9942acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 9943acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9944acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageArtifact(image,"png:include-chunks"); 9945acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 99465c7cf4e469a4dad7e277783749155932252c52dfglennrp else 9947acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp { 99485c7cf4e469a4dad7e277783749155932252c52dfglennrp value=GetImageOption(image_info,"png:include-chunk"); 994926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 9950acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp if (value == NULL) 9951acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp value=GetImageOption(image_info,"png:include-chunks"); 9952acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp } 9953acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 995403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (value != NULL) 995503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 995603812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t 995703812ae402fb53d548f0e1d7d14720768f803c2dglennrp last; 995826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 995903812ae402fb53d548f0e1d7d14720768f803c2dglennrp excluding=MagickTrue; 996026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 996103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 99622cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 99632cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (source == 0) 99642cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99652cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image artifacts.\n", value); 99662cc891a179d622dde7bbb8854138851e828bc6eaglennrp else 99672cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99682cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:include-chunk=%s found in image properties.\n", value); 99692cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 997003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 997103812ae402fb53d548f0e1d7d14720768f803c2dglennrp last=strlen(value); 997203812ae402fb53d548f0e1d7d14720768f803c2dglennrp 997303812ae402fb53d548f0e1d7d14720768f803c2dglennrp for (i=0; i<(int) last; i+=5) 997403812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 997503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"all",3) == 0) 997603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 997703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 997803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 997903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 998003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 998103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 998203812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 998303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 998403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 998503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickFalse; 998603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 9987a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 998803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 998903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 999003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 999103812ae402fb53d548f0e1d7d14720768f803c2dglennrp i--; 999203812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 99932cc891a179d622dde7bbb8854138851e828bc6eaglennrp 999403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"none",4) == 0) 999503812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 999603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickTrue; 999703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickTrue; 999803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickTrue; 999903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickTrue; 1000003812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickTrue; 1000103812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 1000203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickTrue; 1000303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickTrue; 1000403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_sRGB=MagickTrue; 1000503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickTrue; 10006a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 1000703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickTrue; 1000803812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickTrue; 1000903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickTrue; 1001003812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 100112cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1001203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"bkgd",4) == 0) 1001303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_bKGD=MagickFalse; 100142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1001503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"chrm",4) == 0) 1001603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_cHRM=MagickFalse; 100172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1001803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"exif",4) == 0) 1001903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_EXIF=MagickFalse; 100202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1002103812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1002203812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 100232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1002403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"iccp",4) == 0) 1002503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iCCP=MagickFalse; 100262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1002703812ae402fb53d548f0e1d7d14720768f803c2dglennrp /* 1002803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"itxt",4) == 0) 1002903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_iTXt=MagickFalse; 1003003812ae402fb53d548f0e1d7d14720768f803c2dglennrp */ 100312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1003203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"gama",4) == 0) 1003303812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_gAMA=MagickFalse; 100342cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1003503812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"offs",4) == 0) 1003603812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_oFFs=MagickFalse; 100372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1003803812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"phys",4) == 0) 1003903812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_pHYs=MagickFalse; 100402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10041a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"srgb",4) == 0) 10042a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_sRGB=MagickFalse; 100432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1004403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"text",4) == 0) 1004503812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_tEXt=MagickFalse; 100462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10047a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (LocaleNCompare(value+i,"trns",4) == 0) 10048a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 10049a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 1005003812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"vpag",4) == 0) 1005103812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_vpAg=MagickFalse; 100522cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1005303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"zccp",4) == 0) 1005403812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zCCP=MagickFalse; 100552cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1005603812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (LocaleNCompare(value+i,"ztxt",4) == 0) 1005703812ae402fb53d548f0e1d7d14720768f803c2dglennrp mng_info->ping_exclude_zTXt=MagickFalse; 100582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1005903812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 10060ce91ed5de546373b90d60e2efd118e76692dc416glennrp } 1006126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1006226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1006303812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (excluding != MagickFalse && logging != MagickFalse) 1006426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1006526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1006626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Chunks to be excluded from the output PNG:"); 1006726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1006826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1006926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1007026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1007126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1007226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 1007326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1007426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1007526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1007626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1007726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1007826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1007926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1008026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1008126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 1008226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp/* 1008326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1008426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1008526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 1008626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp*/ 1008726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1008826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1008926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1009026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1009126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1009226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1009326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1009426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1009526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1009626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1009726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1009826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 10099a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 10100a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10101a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1010226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1010326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1010426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1010526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1010626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1010726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1010826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1010926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1011026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1011126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1011226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 10113b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 101143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10115b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp status=WriteOnePNGImage(mng_info,image_info,image); 101163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 101180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 101210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 101263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 101283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info,Image *image) 101303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 101313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 101333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 101353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 101363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1013803812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 101393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 101403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 101423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 101433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 101453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 101463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 101473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 101483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 101503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 101513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 101523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 101533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 101543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10155bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 101563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 101573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 10159fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 101603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 101623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 101633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 101643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 101663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 101673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->type==TrueColorMatteType; 101683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=10; 101693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=0; 101703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality; 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 101723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 101743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* if any pixels are transparent */ 101763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=MagickTrue; 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression==JPEGCompression) 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=8; 101793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 101823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 101840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 101863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info for opacity."); 101890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 101910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 101933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 101940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 101980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 102000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 102023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 102030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SeparateImageChannel(jpeg_image,OpacityChannel); 102063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=NegateImage(jpeg_image,MagickFalse); 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->matte=MagickFalse; 102080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_quality >= 1000) 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality/1000; 102110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality; 102140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 102163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) SetImageType(jpeg_image,GrayscaleType); 102173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 102183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent, 102193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 102203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 102233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 102253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 102263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy TrueColorType && ImageIsGray(image)) 102273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 102283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 102303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 102323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 102343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 102353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale PNG blob */ 102373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 102383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 102393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 102423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=0; 102433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 102453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 102473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 102493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 102503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 102523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy value=GetImageProperty(jpeg_image,"png:bit-depth-written"); 102533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 102543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 102553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 102573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode opacity as a grayscale JPEG blob */ 102593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 102613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 102623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 102643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 102653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 102663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 10270f2faecf9facdbbb14fcba373365f9f691a9658e0cristy &image->exception); 102713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 102720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10275e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 10276e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 102773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 102823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 102833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 102863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 102873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1028803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 102894e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 102904e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 102913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 102923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 102933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 102943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 102953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 102963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 102973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 102983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 102993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 103003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 103013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 103023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10304f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 103050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10307f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 103080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 103110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 103140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 103170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 103200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 103230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 103260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 103290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 103323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 10335cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 103363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 103393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 103423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 103453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 103483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 103493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 103503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 103513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10352bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 103533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 103543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 103563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 103573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 10359bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 103603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1036103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 103623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 103633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 103643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 103653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 103663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 103673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 103683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 103693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 103703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 103713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 103723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 103733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 103763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 103783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 103793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 103803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 103813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1038203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 103830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 10385e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10386cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10387e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 103880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 10390e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 10391cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10392e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 103930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 103953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 103963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 103983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 104003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 104033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 104053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1040603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1040735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 104083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 104093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 104103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 104133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 104143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 104163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 104173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 104203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 104223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1042303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 104243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1042535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1042635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 104273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1042835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1042935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 104303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1043135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1043235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 104333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1043435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1043535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 104363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 104373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 104383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && !mng_info->equal_physs) 104423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 104453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 104473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1044803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 104493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 104503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1045135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 104523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 104530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1045435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 104553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 104560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 104583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 104633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1046435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 104653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 104660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1046735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 104683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 104690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 104713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 104733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 104743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1047535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1047635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 104773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 104783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 104813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 104823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 104853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 104863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 104873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 104883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 104893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1049103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 10492bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 10493bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 104943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 104953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 104963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 104973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 104983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 104993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 105013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1050203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 105033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 105043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 105053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 105063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 105073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 105083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (transparent) 105123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 105143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10515bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 105163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10518bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 105193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 105203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 105223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10524e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 10525f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 105263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 105283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 105293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 10530bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 105313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=(*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 105340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 105363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 10538bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) len); 1053903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,(size_t) len); 105403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) len+4,p); 105413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image, 105423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(0,p,(uInt) len+4)); 105433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10549e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 10550e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 105533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 105563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 105583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10560e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 10561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 105623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1056303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 105643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 105653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 105663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 105673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 105693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 105743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 105773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 105783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 105793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=CloneImage(image,0,0,MagickTrue,&image->exception); 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 105883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 105913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) FormatMagickString(jpeg_image_info->filename,MaxTextExtent,"%s", 105923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 105933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 105953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->exception); 105963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10599e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 10600e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 106013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 106033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 106040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->quality=jng_quality % 1000; 106063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 106073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 106080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 106120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,&image->exception); 106140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 106173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10618e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 10619e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 106203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10622e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 106233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 106240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 10626bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 106273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1062803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 106293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 106303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 106313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 106323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 106343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 106353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 106363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 106373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 10639cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 106403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 106423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 106433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1064403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 106453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 106463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 106473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 106493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 106510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 106523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 106533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 106543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 106573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 106583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 106623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 106653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 106663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 106683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 106703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 106723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 106743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 106763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 106783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 106803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 106813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 106823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 106833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image) 106843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 106853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1068621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1068703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 106893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 106913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 106923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 106933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 106943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 106953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 106963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 106973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 106983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 106993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 107003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 10701fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 107023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 107033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 107043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 107053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 107083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1071073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 107113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 107123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 107133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 107153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 107173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 107183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 107193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 107213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,image_info,image); 107233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 107243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 107263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 107283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 107303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 107363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 107373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 107383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 107393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 107413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 107423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1074421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 107453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 107463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1074703812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1074803812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1074903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 107503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 107523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 107613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 107623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 107653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 107683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 107693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 107713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 107723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 107763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 107783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 107833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10784d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 107873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 107973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 10798fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 107993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 108023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1080773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 108103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 108163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 108233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 108253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 108283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 108303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 108323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 108363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 108413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Checking input image(s)"); 108480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10850e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image_info depth: %.20g",(double) image_info->depth); 108510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Type: %d",image_info->type); 108543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 108563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 108573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10859e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Scene: %.20g",(double) scene++); 108600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10862e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image depth: %.20g",(double) p->depth); 108630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->matte) 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 108670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 108710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 108750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 108790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10882e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 108830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 108870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 108893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 108933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 108963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 109003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 109013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 109043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 109053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 109103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 109113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 109123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 109143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 109173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 109193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 109213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 109223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 109243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 109253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 109263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 109273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 109293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 109313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 109323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 109333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 109343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 109353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 109383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 109393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 109403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 109413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 109433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 109443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 109453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 109473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 109493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 109500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 109533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 109563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 109570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte) 109593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 109600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 109623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->matte || next_image->page.x || next_image->page.y || 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 109643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 109653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 109660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 109683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 109690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 109710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 109733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 109743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 109750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 109773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 109783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 109793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 109803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 109813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->matte != MagickFalse) 109823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 109830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 109853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ImageIsGray(image) == MagickFalse) 109873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 109883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 109893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 109903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 109913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 109923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 109943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 109953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 109973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 109983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 109993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 110003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 110013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 110023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 110030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 110053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 110060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 110083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 110093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 110100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 110123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->x_resolution != next_image->next->x_resolution) || 110133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->y_resolution != next_image->next->y_resolution)) 110143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 110150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 110173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 110193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 110203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 110213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 110223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 110233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 110243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 110253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 110263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 110273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 110283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 110293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 110303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 110313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 110323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 110333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 110343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 110353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 110383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 110393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 110413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 110433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 110443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 110453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 110463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 110473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 110483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 110493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 110503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 110513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 110523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 110553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 110583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 110593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 110613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 110633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 110653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 110663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 110670261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 11068d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 11069d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 11070d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp (void) ThrowMagickException(&image->exception, 11071d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp GetMagickModule(),CoderWarning, 11072d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 11073d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 11074d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 110753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 110773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 110783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 11080cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 11081cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 110833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 110840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 110863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 110870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 110893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 110900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 25) && (final_delay != 50) && (final_delay != 110943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 110993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1111103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 111124e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 111134e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 111183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 111213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 111240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 111273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 111323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 111330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 111363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 111423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 111443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 111450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 111483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 111533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 111540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 111573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 111603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 111613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy option=GetImageOption(image_info,"mng:need-cacheoff"); 111623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 111633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 111653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 111663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 111693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 111713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 11172bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1117303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 111743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 111753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 111763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 111773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 111793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 111803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 111813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 111833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 111843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 111853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 111863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1118703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 111893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 111920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 111943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 111950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 111973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 111980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11202e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 11203e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 112040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11207e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 112080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11211e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 112203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1122703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 112280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 11230e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11231cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11232e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 112330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 11235e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 11236cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 11237cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 112380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 112473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 112523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1125303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1125435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 112563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 112583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 112603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 112623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 112633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 112663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 112683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1126903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 112703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1127135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1127235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1127435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1127535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 112763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1127735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1127835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1128035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1128135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 112823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 112833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 112843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->x_resolution && image->y_resolution && mng_info->equal_physs) 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 112933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1129403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 112950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1129835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0/2.54+0.5)); 113000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1130135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0/2.54+0.5)); 113030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1131135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->x_resolution*100.0+0.5)); 113130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1131435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 113153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->y_resolution*100.0+0.5)); 113160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 113183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1132235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (image->x_resolution+0.5)); 1132335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (image->y_resolution+0.5)); 113243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 113253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 113283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 113293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 113323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 113333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng && (image->matte || image->page.x > 0 || 113353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y > 0 || (image->page.width && 113363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 113373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 113383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 113393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 113413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1134203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 113433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 113443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 113453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 113463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 113473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 113483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 113493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 113503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 113513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 113523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 113543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1135503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 113563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 113573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 113583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 113623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 113643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 113653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11366bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 113673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 113683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 113693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 113703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 113713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 113723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 113733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 113743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1137503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 113760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11377bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 113783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red) & 0xff; 113803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green) & 0xff; 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue) & 0xff; 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 113843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 113853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 113863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 113893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 113903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 113953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 114043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 114053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 114073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 114093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 114123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 114133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 114163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 114173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 114203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11421bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 114263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1142703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 114280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11429bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 114303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 114323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 114333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 114343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 114373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 114383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 114393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 114403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 114433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 114443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 114463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 114473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11448bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 114493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 114503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 114513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 114533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 114553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 114563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 114603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 114613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 114643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1146803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 114693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 114703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 114713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 114723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 114733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 114743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 114753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 114823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 114873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 114883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 114913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 114923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 114963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1149703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 114983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 115013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 115063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 115083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1150903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 115103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 115113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 115123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 115133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 115143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 115153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 115163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 115173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 115183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 115193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 115203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 115214e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 115223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 115243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 115273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 115283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 115303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 115313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 115333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 115343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 115353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 115363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 115373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 115383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOneJNGImage(mng_info,write_info,image); 115393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 115403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 115423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 115433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 115453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 115463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 115472f2e514554975d510c88df54de98c6cdc1080f1cglennrp 11548b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 115492f2e514554975d510c88df54de98c6cdc1080f1cglennrp 115502f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 115512f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 115522f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 115532f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 115542f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 115552f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 115562f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 115572f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 115582f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 115592f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 115602f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 115612f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 11562a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 115632f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 115642f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 115652f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 115662f2e514554975d510c88df54de98c6cdc1080f1cglennrp 115673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=WriteOnePNGImage(mng_info,image_info,image); 115683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 115713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 115733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 115743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 115753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 115773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 115783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 115793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 115803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 115813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 115820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 115843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 115850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 115870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 115893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 115913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 115923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 115933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 115943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 115963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1159703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 115983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 115993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 116003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 116023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 116033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 116043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 116053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 116060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 116090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 116113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11612d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1161339992b4dd9b12ef752d55b8e402c069698851f72glennrp 116143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 116153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 116163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=image; 116173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 116183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 116190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 116213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 116223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1162339992b4dd9b12ef752d55b8e402c069698851f72glennrp 116243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 116253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 116263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 116273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11628d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 116293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11630