png.c revision 8fe9159929faad07fb14f2bb0fac9c14d0fd4e20
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 % 16de984cdc3631106b1cbbb8d3972b76a0fc27e8e8cristy% Cristy % 173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Glenn Randers-Pehrson % 183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 1997 % 193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 21fe676ee3a9cf43404bdc9ba8b27f597b5e4e28f7cristy% Copyright 1999-2014 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*/ 4416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/studio.h" 4516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/artifact.h" 4616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/attribute.h" 4716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/blob.h" 4816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/blob-private.h" 4916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/cache.h" 50aa2c16cb5e695053aa78e40f66bc36fbef4b1ed1cristy#include "MagickCore/channel.h" 5116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color.h" 5216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/color-private.h" 5316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colormap.h" 5416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace.h" 5516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/colorspace-private.h" 5616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/constitute.h" 5716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/enhance.h" 5816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception.h" 5916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/exception-private.h" 6016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/geometry.h" 6116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/histogram.h" 6216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image.h" 6316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/image-private.h" 6416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/layer.h" 6516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/list.h" 6616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/log.h" 6716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/MagickCore.h" 6816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/memory_.h" 6916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/module.h" 7016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor.h" 7116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/monitor-private.h" 7216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/option.h" 7316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel.h" 7416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/pixel-accessor.h" 7516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/profile.h" 7616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/property.h" 7716ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 7816ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/resource_.h" 7916ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/semaphore.h" 8016ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/quantum-private.h" 8116ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/static.h" 8216ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/statistic.h" 8316ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string_.h" 8416ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/string-private.h" 8516ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/transform.h" 8616ea139d53d867211d3bb0fa859a83de653f687ecristy#include "MagickCore/utility.h" 873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 88286a6355c4544b794da2b6df973faad07c69e541glennrp 897ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp/* Suppress libpng pedantic warnings that were added in 907ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * libpng-1.2.41 and libpng-1.4.0. If you are working on 91faa852bad40107edae19405e76a299057668d795glennrp * migration to libpng-1.5, remove these defines and then 927ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp * fix any code that generates warnings. 937ef138c2e0e2bd4acefd810968b0324f6dc469f1glennrp */ 94991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp/* #define PNG_DEPRECATED Use of this function is deprecated */ 95faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_USE_RESULT The result of this function must be checked */ 96faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_NORETURN This function does not return */ 97faa852bad40107edae19405e76a299057668d795glennrp/* #define PNG_ALLOCATED The result of the function is new memory */ 988371ecc013ff231ce380d8717e517312e62e1f01glennrp/* #define PNG_DEPSTRUCT Access to this struct member is deprecated */ 995b927348e949d94f3a64b055eccb03459f115c69glennrp 1005b927348e949d94f3a64b055eccb03459f115c69glennrp/* PNG_PTR_NORETURN does not work on some platforms, in libpng-1.5.x */ 10175cfe702843fd25dba7cb241c05fa65957c67129cristy#define PNG_PTR_NORETURN 102286a6355c4544b794da2b6df973faad07c69e541glennrp 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "png.h" 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#include "zlib.h" 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* ImageMagick differences */ 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define first_scene scene 1083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 109d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Optional declarations. Define or undefine them as you like. 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* #define PNG_DEBUG -- turning this on breaks VisualC compiling */ 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Features under construction. Define these to work on them. 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_OBJECT_BUFFERS 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_BASI_SUPPORTED 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_COALESCE_LAYERS /* In 5.4.4, this interfered with MMAP'ed files. */ 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_INSERT_LAYERS /* Troublesome, but seem to work as of 5.4.4 */ 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_JPEG_DELEGATE) 1233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define JNG_SUPPORTED /* Not finished as of 5.5.2. See "To do" comments. */ 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(RGBColorMatchExact) 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define IsPNGColorEqual(color,target) \ 1278e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp (((color).red == (target).red) && \ 1288e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).green == (target).green) && \ 1298e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp ((color).blue == (target).blue)) 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp/* Table of recognized sRGB ICC profiles */ 133ecab7d7b7fc598881ff3c72240381caa5c444a56glennrpstruct sRGB_info_struct 134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp{ 135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 len; 136ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 crc; 137ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_byte intent; 138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp}; 139ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrpconst struct sRGB_info_struct sRGB_info[] = 141ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp{ 142c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v2 perceptual sRGB_IEC61966-2-1_black_scaled.icc */ 143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3048, 0x3b8772b9UL, 0}, 144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 145c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v2 relative sRGB_IEC61966-2-1_no_black_scaling.icc */ 146ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3052, 0x427ebb21UL, 1}, 147ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 148c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v4 perceptual sRGB_v4_ICC_preference_displayclass.icc */ 149ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp {60988, 0x306fd8aeUL, 0}, 150ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 151c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* ICC v4 perceptual sRGB_v4_ICC_preference.icc perceptual */ 152ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp {60960, 0xbbef7812UL, 0}, 153ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 154c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* HP? sRGB v2 media-relative sRGB_IEC61966-2-1_noBPC.icc */ 155ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3024, 0x5d5129ceUL, 1}, 156ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 157ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* HP-Microsoft sRGB v2 perceptual */ 158ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3144, 0x182ea552UL, 0}, 159ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 160ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* HP-Microsoft sRGB v2 media-relative */ 161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 3144, 0xf29e526dUL, 1}, 162ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 163c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* Facebook's "2012/01/25 03:41:57", 524, "TINYsRGB.icc" */ 164c241d3cdc951647513766801b3f1cfc74b773b5eglennrp { 524, 0xd4938c39UL, 0}, 165c241d3cdc951647513766801b3f1cfc74b773b5eglennrp 166c241d3cdc951647513766801b3f1cfc74b773b5eglennrp /* "2012/11/28 22:35:21", 3212, "Argyll_sRGB.icm") */ 167c241d3cdc951647513766801b3f1cfc74b773b5eglennrp { 3212, 0x034af5a1UL, 0}, 168c241d3cdc951647513766801b3f1cfc74b773b5eglennrp 169ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* Not recognized */ 170ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 0, 0x00000000UL, 0}, 171ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp}; 172ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 1738e58efdecda887b08ef730d68290a61081ef2566glennrp/* Macros for left-bit-replication to ensure that pixels 17416ea139d53d867211d3bb0fa859a83de653f687ecristy * and PixelInfos all have the same image->depth, and for use 1758e58efdecda887b08ef730d68290a61081ef2566glennrp * in PNG8 quantization. 1768e58efdecda887b08ef730d68290a61081ef2566glennrp */ 1778e58efdecda887b08ef730d68290a61081ef2566glennrp 1788e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR01: Replicate top bit */ 1798e58efdecda887b08ef730d68290a61081ef2566glennrp 18005001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR01PacketRed(pixelpacket) \ 1818e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=(ScaleQuantumToChar((pixelpacket).red) < 0x10 ? \ 1828e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1838e58efdecda887b08ef730d68290a61081ef2566glennrp 18491d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketGreen(pixelpacket) \ 1858e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=(ScaleQuantumToChar((pixelpacket).green) < 0x10 ? \ 1868e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1878e58efdecda887b08ef730d68290a61081ef2566glennrp 18891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketBlue(pixelpacket) \ 1898e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=(ScaleQuantumToChar((pixelpacket).blue) < 0x10 ? \ 1908e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1918e58efdecda887b08ef730d68290a61081ef2566glennrp 19216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PacketAlpha(pixelpacket) \ 19316ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=(ScaleQuantumToChar((pixelpacket).alpha) < 0x10 ? \ 1948e58efdecda887b08ef730d68290a61081ef2566glennrp 0 : QuantumRange); 1958e58efdecda887b08ef730d68290a61081ef2566glennrp 19691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGB(pixelpacket) \ 197bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 19805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR01PacketRed((pixelpacket)); \ 19991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketGreen((pixelpacket)); \ 20091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketBlue((pixelpacket)); \ 201bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2028e58efdecda887b08ef730d68290a61081ef2566glennrp 20391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR01PacketRGBO(pixelpacket) \ 204bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 20591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGB((pixelpacket)); \ 20616ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PacketAlpha((pixelpacket)); \ 207bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2088e58efdecda887b08ef730d68290a61081ef2566glennrp 209ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR01PixelRed(pixel) \ 210360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelRed(image, \ 211360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelRed(image,(pixel))) < 0x10 ? \ 212c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2138e58efdecda887b08ef730d68290a61081ef2566glennrp 21454cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelGreen(pixel) \ 215360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelGreen(image, \ 216360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelGreen(image,(pixel))) < 0x10 ? \ 217c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2188e58efdecda887b08ef730d68290a61081ef2566glennrp 21954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelBlue(pixel) \ 220360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelBlue(image, \ 221360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelBlue(image,(pixel))) < 0x10 ? \ 222c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2238e58efdecda887b08ef730d68290a61081ef2566glennrp 22416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelAlpha(pixel) \ 225360c1549eac5e4759deeaf2a80b027498bea291eglennrp (SetPixelAlpha(image, \ 226360c1549eac5e4759deeaf2a80b027498bea291eglennrp ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) < 0x10 ? \ 227c7375f9f4105dd03f69c115a3d9c1a2087d1742bglennrp 0 : QuantumRange,(pixel))); 2288e58efdecda887b08ef730d68290a61081ef2566glennrp 22954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR01PixelRGB(pixel) \ 230bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 231ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR01PixelRed((pixel)); \ 23254cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelGreen((pixel)); \ 23354cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelBlue((pixel)); \ 234bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2358e58efdecda887b08ef730d68290a61081ef2566glennrp 23616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR01PixelRGBA(pixel) \ 237bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 23854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR01PixelRGB((pixel)); \ 23916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelAlpha((pixel)); \ 240bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2418e58efdecda887b08ef730d68290a61081ef2566glennrp 2428e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR02: Replicate top 2 bits */ 2438e58efdecda887b08ef730d68290a61081ef2566glennrp 24405001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR02PacketRed(pixelpacket) \ 2458e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2468e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xc0; \ 2478e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 2488e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2498e58efdecda887b08ef730d68290a61081ef2566glennrp } 25091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketGreen(pixelpacket) \ 2518e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2528e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xc0; \ 2538e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 2548e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2558e58efdecda887b08ef730d68290a61081ef2566glennrp } 25691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketBlue(pixelpacket) \ 2578e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 2588e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xc0; \ 2598e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 2608e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2618e58efdecda887b08ef730d68290a61081ef2566glennrp } 26216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PacketAlpha(pixelpacket) \ 2638e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 26416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xc0; \ 26516ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum( \ 2668e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))); \ 2678e58efdecda887b08ef730d68290a61081ef2566glennrp } 2688e58efdecda887b08ef730d68290a61081ef2566glennrp 26991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGB(pixelpacket) \ 270bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 27105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR02PacketRed((pixelpacket)); \ 27291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketGreen((pixelpacket)); \ 27391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue((pixelpacket)); \ 274bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2758e58efdecda887b08ef730d68290a61081ef2566glennrp 27691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR02PacketRGBO(pixelpacket) \ 277bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 27891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGB((pixelpacket)); \ 27916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PacketAlpha((pixelpacket)); \ 280bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 2818e58efdecda887b08ef730d68290a61081ef2566glennrp 282ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR02PixelRed(pixel) \ 2838e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 28416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 2858e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 28616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 28716ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 28816ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2898e58efdecda887b08ef730d68290a61081ef2566glennrp } 29054cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelGreen(pixel) \ 2918e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 29216ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 2938e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xc0; \ 29416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 29516ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 29616ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 2978e58efdecda887b08ef730d68290a61081ef2566glennrp } 29854cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelBlue(pixel) \ 2998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 30116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xc0; \ 30216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 30316ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 30416ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel)); \ 3058e58efdecda887b08ef730d68290a61081ef2566glennrp } 30616ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelAlpha(pixel) \ 3078e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3088e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 30916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xc0; \ 31016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, ScaleCharToQuantum( \ 31116ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 2) | (lbr_bits >> 4) | (lbr_bits >> 6))), \ 31216ea139d53d867211d3bb0fa859a83de653f687ecristy (pixel) ); \ 3138e58efdecda887b08ef730d68290a61081ef2566glennrp } 3148e58efdecda887b08ef730d68290a61081ef2566glennrp 31554cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR02PixelRGB(pixel) \ 316bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 317ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR02PixelRed((pixel)); \ 31854cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelGreen((pixel)); \ 31954cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue((pixel)); \ 320bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3218e58efdecda887b08ef730d68290a61081ef2566glennrp 32216ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR02PixelRGBA(pixel) \ 323bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 32454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelRGB((pixel)); \ 32516ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelAlpha((pixel)); \ 326bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3278e58efdecda887b08ef730d68290a61081ef2566glennrp 3288e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR03: Replicate top 3 bits (only used with opaque pixels during 3298e58efdecda887b08ef730d68290a61081ef2566glennrp PNG8 quantization) */ 3308e58efdecda887b08ef730d68290a61081ef2566glennrp 33105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR03PacketRed(pixelpacket) \ 3328e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3338e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xe0; \ 3348e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum( \ 3358e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3368e58efdecda887b08ef730d68290a61081ef2566glennrp } 33791d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketGreen(pixelpacket) \ 3388e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3398e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xe0; \ 3408e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum( \ 3418e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3428e58efdecda887b08ef730d68290a61081ef2566glennrp } 34391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketBlue(pixelpacket) \ 3448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xe0; \ 3468e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum( \ 3478e58efdecda887b08ef730d68290a61081ef2566glennrp (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))); \ 3488e58efdecda887b08ef730d68290a61081ef2566glennrp } 3498e58efdecda887b08ef730d68290a61081ef2566glennrp 35091d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR03PacketRGB(pixelpacket) \ 351bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 35205001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR03PacketRed((pixelpacket)); \ 35391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketGreen((pixelpacket)); \ 35491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketBlue((pixelpacket)); \ 355bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3568e58efdecda887b08ef730d68290a61081ef2566glennrp 357ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR03PixelRed(pixel) \ 3588e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 35916ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 3608e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 36116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image, ScaleCharToQuantum( \ 36216ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3638e58efdecda887b08ef730d68290a61081ef2566glennrp } 36416ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Green(pixel) \ 3658e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 36616ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 3678e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 36816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image, ScaleCharToQuantum( \ 36916ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3708e58efdecda887b08ef730d68290a61081ef2566glennrp } 37116ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03Blue(pixel) \ 3728e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 37316ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelBlue(image,(pixel))) \ 3748e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xe0; \ 37516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image, ScaleCharToQuantum( \ 37616ea139d53d867211d3bb0fa859a83de653f687ecristy (lbr_bits | (lbr_bits >> 3) | (lbr_bits >> 6))), (pixel)); \ 3778e58efdecda887b08ef730d68290a61081ef2566glennrp } 3788e58efdecda887b08ef730d68290a61081ef2566glennrp 37916ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR03RGB(pixel) \ 380bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 381ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR03PixelRed((pixel)); \ 38216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Green((pixel)); \ 38316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03Blue((pixel)); \ 384bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 3858e58efdecda887b08ef730d68290a61081ef2566glennrp 3868e58efdecda887b08ef730d68290a61081ef2566glennrp/* LBR04: Replicate top 4 bits */ 3878e58efdecda887b08ef730d68290a61081ef2566glennrp 38805001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp#define LBR04PacketRed(pixelpacket) \ 3898e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3908e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).red) & 0xf0; \ 3918e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).red=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3928e58efdecda887b08ef730d68290a61081ef2566glennrp } 39391d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketGreen(pixelpacket) \ 3948e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 3958e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).green) & 0xf0; \ 3968e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).green=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 3978e58efdecda887b08ef730d68290a61081ef2566glennrp } 39891d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketBlue(pixelpacket) \ 3998e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4008e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).blue) & 0xf0; \ 4018e58efdecda887b08ef730d68290a61081ef2566glennrp (pixelpacket).blue=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 4028e58efdecda887b08ef730d68290a61081ef2566glennrp } 40316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PacketAlpha(pixelpacket) \ 4048e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 40516ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar((pixelpacket).alpha) & 0xf0; \ 40616ea139d53d867211d3bb0fa859a83de653f687ecristy (pixelpacket).alpha=ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))); \ 4078e58efdecda887b08ef730d68290a61081ef2566glennrp } 4088e58efdecda887b08ef730d68290a61081ef2566glennrp 40991d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGB(pixelpacket) \ 410bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41105001c3561dc5a341d5e0bfb88a6570bbdf359a1glennrp LBR04PacketRed((pixelpacket)); \ 41291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketGreen((pixelpacket)); \ 41391d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketBlue((pixelpacket)); \ 414bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4158e58efdecda887b08ef730d68290a61081ef2566glennrp 41691d99255dd77083750426ba5463e002a586bc9a6glennrp#define LBR04PacketRGBO(pixelpacket) \ 417bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 41891d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB((pixelpacket)); \ 41916ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PacketAlpha((pixelpacket)); \ 420bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4218e58efdecda887b08ef730d68290a61081ef2566glennrp 422ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy#define LBR04PixelRed(pixel) \ 4238e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 42416ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelRed(image,(pixel))) \ 4258e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 42616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,\ 42716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4288e58efdecda887b08ef730d68290a61081ef2566glennrp } 42954cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelGreen(pixel) \ 4308e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 43116ea139d53d867211d3bb0fa859a83de653f687ecristy unsigned char lbr_bits=ScaleQuantumToChar(GetPixelGreen(image,(pixel)))\ 4328e58efdecda887b08ef730d68290a61081ef2566glennrp & 0xf0; \ 43316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,\ 43416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4358e58efdecda887b08ef730d68290a61081ef2566glennrp } 43654cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelBlue(pixel) \ 4378e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4388e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 43916ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,(pixel))) & 0xf0; \ 44016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,\ 44116ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4428e58efdecda887b08ef730d68290a61081ef2566glennrp } 44316ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelAlpha(pixel) \ 4448e58efdecda887b08ef730d68290a61081ef2566glennrp { \ 4458e58efdecda887b08ef730d68290a61081ef2566glennrp unsigned char lbr_bits= \ 44616ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelAlpha(image,(pixel))) & 0xf0; \ 44716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,\ 44816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((lbr_bits | (lbr_bits >> 4))), (pixel)); \ 4498e58efdecda887b08ef730d68290a61081ef2566glennrp } 4508e58efdecda887b08ef730d68290a61081ef2566glennrp 45154cf79782d2eba6612b706093f62474beb855c8dglennrp#define LBR04PixelRGB(pixel) \ 452bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 453ef61831f94757bbb7fd66e3f5d1aca8a19c0b58ecristy LBR04PixelRed((pixel)); \ 45454cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelGreen((pixel)); \ 45554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelBlue((pixel)); \ 456bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4578e58efdecda887b08ef730d68290a61081ef2566glennrp 45816ea139d53d867211d3bb0fa859a83de653f687ecristy#define LBR04PixelRGBA(pixel) \ 459bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { \ 46054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB((pixel)); \ 46116ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelAlpha((pixel)); \ 462bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 4638e58efdecda887b08ef730d68290a61081ef2566glennrp 4643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Establish thread safety. 4663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is claimed to be safe on these platforms: 4673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy setjmp/longjmp is alleged to be unsafe on these platforms: 4683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 469868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef PNG_SETJMP_SUPPORTED 470868fff35aea4233c40dca33989293cb5bc91601aglennrp# ifndef IMPNG_SETJMP_IS_THREAD_SAFE 471868fff35aea4233c40dca33989293cb5bc91601aglennrp# define IMPNG_SETJMP_NOT_THREAD_SAFE 472868fff35aea4233c40dca33989293cb5bc91601aglennrp# endif 4733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 474868fff35aea4233c40dca33989293cb5bc91601aglennrp# ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic SemaphoreInfo 476cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_semaphore = (SemaphoreInfo *) NULL; 477868fff35aea4233c40dca33989293cb5bc91601aglennrp# endif 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 4793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This temporary until I set up malloc'ed object attributes array. 4823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Recompile with MNG_MAX_OBJECTS=65536L to avoid this limit but 4833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy waste more memory. 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MNG_MAX_OBJECTS 256 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If this not defined, spec is interpreted strictly. If it is 4893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined, an attempt will be made to recover from some errors, 4903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy including 4913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o global PLTE too short 4923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 4933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef MNG_LOOSE 4943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 4963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Don't try to define PNG_MNG_FEATURES_SUPPORTED here. Make sure 4973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy it's defined in libpng/pngconf.h, version 1.0.9 or later. It won't work 4983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy with earlier versions of libpng. From libpng-1.0.3a to libpng-1.0.8, 4993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_READ|WRITE_EMPTY_PLTE were used but those have been deprecated in 5003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy libpng in favor of PNG_MNG_FEATURES_SUPPORTED, so we set them here. 5013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_MNG_FEATURES_SUPPORTED is disabled by default in libpng-1.0.9 and 5023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy will be enabled by default in libpng-1.2.0. 5033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_MNG_FEATURES_SUPPORTED 5053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 5063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_READ_EMPTY_PLTE_SUPPORTED 5073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 5083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifndef PNG_WRITE_EMPTY_PLTE_SUPPORTED 5093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# define PNG_WRITE_EMPTY_PLTE_SUPPORTED 5103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 5113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 514bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Maximum valid size_t in PNG/MNG chunks is (2^31)-1 5153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This macro is only defined in libpng-1.0.3 and later. 5163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Previously it was PNG_MAX_UINT but that was deprecated in libpng-1.2.6 5173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_UINT_31_MAX 5193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_UINT_31_MAX (png_uint_32) 0x7fffffffL 5203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 5233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Constant strings for known chunk types. If you need to add a chunk, 5243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy add a string holding the name here. To make the code more 5253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy portable, we use ASCII numbers like this, not characters. 5263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 5273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MHDR[5]={ 77, 72, 68, 82, (png_byte) '\0'}; 52985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BACK[5]={ 66, 65, 67, 75, (png_byte) '\0'}; 53085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_BASI[5]={ 66, 65, 83, 73, (png_byte) '\0'}; 53185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLIP[5]={ 67, 76, 73, 80, (png_byte) '\0'}; 53285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_CLON[5]={ 67, 76, 79, 78, (png_byte) '\0'}; 53385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DEFI[5]={ 68, 69, 70, 73, (png_byte) '\0'}; 53485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DHDR[5]={ 68, 72, 68, 82, (png_byte) '\0'}; 53585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_DISC[5]={ 68, 73, 83, 67, (png_byte) '\0'}; 53685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_ENDL[5]={ 69, 78, 68, 76, (png_byte) '\0'}; 53785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_FRAM[5]={ 70, 82, 65, 77, (png_byte) '\0'}; 53885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IEND[5]={ 73, 69, 78, 68, (png_byte) '\0'}; 53985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IHDR[5]={ 73, 72, 68, 82, (png_byte) '\0'}; 54085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JHDR[5]={ 74, 72, 68, 82, (png_byte) '\0'}; 54185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_LOOP[5]={ 76, 79, 79, 80, (png_byte) '\0'}; 54285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MAGN[5]={ 77, 65, 71, 78, (png_byte) '\0'}; 54385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MEND[5]={ 77, 69, 78, 68, (png_byte) '\0'}; 54485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_MOVE[5]={ 77, 79, 86, 69, (png_byte) '\0'}; 54585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PAST[5]={ 80, 65, 83, 84, (png_byte) '\0'}; 54685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_PLTE[5]={ 80, 76, 84, 69, (png_byte) '\0'}; 54785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SAVE[5]={ 83, 65, 86, 69, (png_byte) '\0'}; 54885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SEEK[5]={ 83, 69, 69, 75, (png_byte) '\0'}; 54985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_SHOW[5]={ 83, 72, 79, 87, (png_byte) '\0'}; 55085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_TERM[5]={ 84, 69, 82, 77, (png_byte) '\0'}; 55185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_bKGD[5]={ 98, 75, 71, 68, (png_byte) '\0'}; 55285dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_cHRM[5]={ 99, 72, 82, 77, (png_byte) '\0'}; 55385dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_gAMA[5]={103, 65, 77, 65, (png_byte) '\0'}; 55485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iCCP[5]={105, 67, 67, 80, (png_byte) '\0'}; 55585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_nEED[5]={110, 69, 69, 68, (png_byte) '\0'}; 55685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYg[5]={112, 72, 89, 103, (png_byte) '\0'}; 55785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_vpAg[5]={118, 112, 65, 103, (png_byte) '\0'}; 55885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_pHYs[5]={112, 72, 89, 115, (png_byte) '\0'}; 55985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sBIT[5]={115, 66, 73, 84, (png_byte) '\0'}; 56085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sRGB[5]={115, 82, 71, 66, (png_byte) '\0'}; 56185dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tRNS[5]={116, 82, 78, 83, (png_byte) '\0'}; 5623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 56485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_IDAT[5]={ 73, 68, 65, 84, (png_byte) '\0'}; 56585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAT[5]={ 74, 68, 65, 84, (png_byte) '\0'}; 56685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JDAA[5]={ 74, 68, 65, 65, (png_byte) '\0'}; 56785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JdAA[5]={ 74, 100, 65, 65, (png_byte) '\0'}; 56885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_JSEP[5]={ 74, 83, 69, 80, (png_byte) '\0'}; 56985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_oFFs[5]={111, 70, 70, 115, (png_byte) '\0'}; 5703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 5713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 572689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 573689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp/* Other known chunks that are not yet supported by ImageMagick: */ 57485dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_hIST[5]={104, 73, 83, 84, (png_byte) '\0'}; 57585dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_iTXt[5]={105, 84, 88, 116, (png_byte) '\0'}; 57685dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sPLT[5]={115, 80, 76, 84, (png_byte) '\0'}; 57785dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_sTER[5]={115, 84, 69, 82, (png_byte) '\0'}; 57885dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tEXt[5]={116, 69, 88, 116, (png_byte) '\0'}; 57985dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_tIME[5]={116, 73, 77, 69, (png_byte) '\0'}; 58085dcf873093881b3ed4da55c3681aa3209767aa9glennrpstatic png_byte mng_zTXt[5]={122, 84, 88, 116, (png_byte) '\0'}; 581689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 5823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5833ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBox 5843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 5858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy long 5863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy left, 5873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy right, 5883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy top, 5893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bottom; 5903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBox; 5913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5923ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngPair 5933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 5948182b0758e3429fb8dcd1700f09643fd4d80a41ccristy volatile long 5953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a, 5963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy b; 5973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngPair; 5983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 6003ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngBuffer 6013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 603bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 6043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 6053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width; 6063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 6083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 6093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color 6113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte[256]; 6123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reference_count; 6153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_sample_depth, 6183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression_method, 6193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_type, 6203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy concrete, 6213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy filter_method, 6223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen, 6233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_type, 6243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy interlace_method, 6253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixel_sample_depth, 6263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte_length, 6273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sample_depth, 6283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable; 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngBuffer; 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6323ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _MngInfo 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 6363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBuffer 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ob[MNG_MAX_OBJECTS]; 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image * 6413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image; 6423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 6443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page; 6453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy adjoin, 6483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_in_read_buffer, 6503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy found_empty_plte, 6513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_backgrounds, 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_chrms, 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_gammas, 6553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 6563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_palettes, 6583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 6593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_physs, 6603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy equal_srgbs, 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode, 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_bkgd, 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_chrm, 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_gama, 6653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_phys, 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_sbit, 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_global_srgb, 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_saved_bkgd_index, 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_chrm, 6703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_gama, 6713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_plte, 6723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_write_global_srgb, 6733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_fram, 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 6753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_framing_mode, 6763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy saved_bkgd_index; 6773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_number_colors; 6803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 681bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 6823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_found, 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_count[256], 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_iteration[256], 6853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scenes_found, 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_off[MNG_MAX_OBJECTS], 6873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_off[MNG_MAX_OBJECTS]; 6883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 6903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clip, 6913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame, 6923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_box, 6933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_clip[MNG_MAX_OBJECTS]; 6943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* These flags could be combined into one byte */ 6973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exists[MNG_MAX_OBJECTS], 6983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frozen[MNG_MAX_OBJECTS], 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_active[256], 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy invisible[MNG_MAX_OBJECTS], 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy viewable[MNG_MAX_OBJECTS]; 7023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_jump[256]; 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 7073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte; 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_8 7103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_sbit; 7113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_buffer[8], 7153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns[256]; 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy float 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_gamma; 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ChromaticityInfo 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_chrm; 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RenderingIntent 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_srgb_intent; 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72735ef824baa82511126ff0072ae30eee0da9c05a3cristy unsigned int 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy delay, 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_plte_length, 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_trns_length, 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_x_pixels_per_unit, 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_y_pixels_per_unit, 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_width, 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_height, 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ticks_per_second; 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 737b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp MagickBooleanType 738b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp need_blob; 739b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IsPalette, 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy global_phys_unit_type, 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_warning, 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy clon_warning, 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dhdr_warning, 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jhdr_warning, 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_warning, 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy past_warning, 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phyg_warning, 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy phys_warning, 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sbit_warning, 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy show_warning, 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type, 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng, 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_colortype, 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png_depth, 7571868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_level, 7581868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_strategy, 7591868258559ddf946fa73ef72dd43507b32623705glennrp write_png_compression_filter, 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png8, 7613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_png24, 762fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png32, 763fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png48, 764fd164d2bf84b111e304959af5698757d60e9b8aeglennrp write_png64; 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_width, 7693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_height; 7703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_depth, 7733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type, 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method, 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type, 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method, 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red, 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green, 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue, 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha, 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable; 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 7913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 7943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_global_bkgd; 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* Added at version 6.6.6-7 */ 80026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp MagickBooleanType 80126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 80226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 803a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 80426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_EXIF, 80526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 80626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 80726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 80826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 80926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 81026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 81126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 812a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp ping_exclude_tRNS, 81326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 81426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 8158d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_exclude_zTXt, 816ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_colormap, 817ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* Added at version 6.8.5-7 */ 818fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_preserve_iCCP, 819fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk /* Added at version 6.8.9-9 */ 820fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME; 82126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 8223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} MngInfo; 8233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* VER */ 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declarations. 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 82916ea139d53d867211d3bb0fa859a83de653f687ecristy WritePNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 83216ea139d53d867211d3bb0fa859a83de653f687ecristy WriteMNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 83616ea139d53d867211d3bb0fa859a83de653f687ecristy WriteJNGImage(const ImageInfo *,Image *,ExceptionInfo *); 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8390c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if PNG_LIBPNG_VER > 10011 8400c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 841fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#if (MAGICKCORE_QUANTUM_DEPTH >= 16) 8430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrpstatic MagickBooleanType 84416ea139d53d867211d3bb0fa859a83de653f687ecristyLosslessReduceDepthOK(Image *image,ExceptionInfo *exception) 8450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp{ 8469d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp /* Reduce bit depth if it can be reduced losslessly from 16+ to 8. 84767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 84867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * This is true if the high byte and the next highest byte of 84967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * each sample of the image, the colormap, and the background color 8503faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are equal to each other. We check this by seeing if the samples 8513faa9a3fb01696daaf976d595f492cb530bffb21glennrp * are unchanged when we scale them down to 8 and back up to Quantum. 85267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * 85367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * We don't use the method GetImageDepth() because it doesn't check 8543faa9a3fb01696daaf976d595f492cb530bffb21glennrp * background and doesn't handle PseudoClass specially. 8559d0ea4d0d750fa124d7b83da98ed582d59c1aab0glennrp */ 85605a549971fd661147ade177e2bc10f6cfcfc32b4glennrp 8573faa9a3fb01696daaf976d595f492cb530bffb21glennrp#define QuantumToCharToQuantumEqQuantum(quantum) \ 8583faa9a3fb01696daaf976d595f492cb530bffb21glennrp ((ScaleCharToQuantum((unsigned char) ScaleQuantumToChar(quantum))) == quantum) 8593faa9a3fb01696daaf976d595f492cb530bffb21glennrp 86067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp MagickBooleanType 86167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ok_to_reduce=MagickFalse; 86267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp 86303e11f6e8d7f01a32b53d7e8e6a3bfd5ef1c5c9dglennrp if (image->depth >= 16) 8640c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8650c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 86616ea139d53d867211d3bb0fa859a83de653f687ecristy const Quantum 8670c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp *p; 8680c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8690c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce= 8703faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.red) && 8713faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.green) && 8723faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum(image->background_color.blue) ? 8733faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 8740c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8750c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse && image->storage_class == PseudoClass) 8760c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8770c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp int indx; 8780c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8790c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (indx=0; indx < (ssize_t) image->colors; indx++) 8800c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8813faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce=( 8823faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8833faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].red) && 8843faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8853faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].green) && 8863faa9a3fb01696daaf976d595f492cb530bffb21glennrp QuantumToCharToQuantumEqQuantum( 8873faa9a3fb01696daaf976d595f492cb530bffb21glennrp image->colormap[indx].blue)) ? 8883faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 8893faa9a3fb01696daaf976d595f492cb530bffb21glennrp 8900c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 8913faa9a3fb01696daaf976d595f492cb530bffb21glennrp break; 8920c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 8930c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 8940c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 8950c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if ((ok_to_reduce != MagickFalse) && 8960c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (image->storage_class != PseudoClass)) 8970c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 8980c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ssize_t 8990c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp y; 9000c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9010c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp register ssize_t 9020c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp x; 9030c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9040c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (y=0; y < (ssize_t) image->rows; y++) 9050c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 90616ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 9070c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 90816ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 9090c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9100c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp ok_to_reduce = MagickFalse; 9110c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9120c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9130c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9140c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 9150c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9163faa9a3fb01696daaf976d595f492cb530bffb21glennrp ok_to_reduce= 91716ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelRed(image,p)) && 91816ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelGreen(image,p)) && 91916ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumToCharToQuantumEqQuantum(GetPixelBlue(image,p)) ? 9203faa9a3fb01696daaf976d595f492cb530bffb21glennrp MagickTrue : MagickFalse; 9210c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9220c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce == MagickFalse) 9230c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9240c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 92516ea139d53d867211d3bb0fa859a83de653f687ecristy p+=GetPixelChannels(image); 9260c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9278640fb5e9b1094f35f8beab436f81661b8a99448glennrp if (x >= 0) 9280c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp break; 9290c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9300c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9310c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9320c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp if (ok_to_reduce != MagickFalse) 9330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp { 9340c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 935fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " OK to reduce PNG bit depth to 8 without loss of info"); 9360c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 937a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp else 938a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 939a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 940fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Not OK to reduce PNG bit depth to 8 without loss of info"); 941a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 9420c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp } 9430c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9440c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp return ok_to_reduce; 9450c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp} 9460c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp#endif /* MAGICKCORE_QUANTUM_DEPTH >= 16 */ 9470c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 9481a56e9c9268976936eeab9fe97eb664b847e444cglennrpstatic const char* PngColorTypeToString(const unsigned int color_type) 9491a56e9c9268976936eeab9fe97eb664b847e444cglennrp{ 9501a56e9c9268976936eeab9fe97eb664b847e444cglennrp const char 9511a56e9c9268976936eeab9fe97eb664b847e444cglennrp *result = "Unknown"; 9521a56e9c9268976936eeab9fe97eb664b847e444cglennrp 9531a56e9c9268976936eeab9fe97eb664b847e444cglennrp switch (color_type) 9541a56e9c9268976936eeab9fe97eb664b847e444cglennrp { 9551a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY: 9561a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray"; 9571a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9581a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 9591a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Gray+Alpha"; 9601a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9611a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_PALETTE: 9621a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "Palette"; 9631a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9641a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB: 9651a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB"; 9661a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9671a56e9c9268976936eeab9fe97eb664b847e444cglennrp case PNG_COLOR_TYPE_RGB_ALPHA: 9681a56e9c9268976936eeab9fe97eb664b847e444cglennrp result = "RGB+Alpha"; 9691a56e9c9268976936eeab9fe97eb664b847e444cglennrp break; 9701a56e9c9268976936eeab9fe97eb664b847e444cglennrp } 9711a56e9c9268976936eeab9fe97eb664b847e444cglennrp 9721a56e9c9268976936eeab9fe97eb664b847e444cglennrp return result; 9731a56e9c9268976936eeab9fe97eb664b847e444cglennrp} 9741a56e9c9268976936eeab9fe97eb664b847e444cglennrp 975e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic int 976cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_to_PNG_RenderingIntent(const RenderingIntent intent) 9770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 978e610a071534e448c46460a5aa39ede33bf56b329glennrp switch (intent) 979e610a071534e448c46460a5aa39ede33bf56b329glennrp { 980e610a071534e448c46460a5aa39ede33bf56b329glennrp case PerceptualIntent: 981e610a071534e448c46460a5aa39ede33bf56b329glennrp return 0; 9820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 983e610a071534e448c46460a5aa39ede33bf56b329glennrp case RelativeIntent: 984e610a071534e448c46460a5aa39ede33bf56b329glennrp return 1; 9850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 986e610a071534e448c46460a5aa39ede33bf56b329glennrp case SaturationIntent: 987e610a071534e448c46460a5aa39ede33bf56b329glennrp return 2; 9880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 989e610a071534e448c46460a5aa39ede33bf56b329glennrp case AbsoluteIntent: 990e610a071534e448c46460a5aa39ede33bf56b329glennrp return 3; 9910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 992e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 993e610a071534e448c46460a5aa39ede33bf56b329glennrp return -1; 994e610a071534e448c46460a5aa39ede33bf56b329glennrp } 995e610a071534e448c46460a5aa39ede33bf56b329glennrp} 996e610a071534e448c46460a5aa39ede33bf56b329glennrp 997e610a071534e448c46460a5aa39ede33bf56b329glennrpstatic RenderingIntent 998cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_RenderingIntent_from_PNG_RenderingIntent(const int ping_intent) 9990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp{ 1000cf002022280cc4dedb2748ad6f415aac1d44f530glennrp switch (ping_intent) 1001e610a071534e448c46460a5aa39ede33bf56b329glennrp { 1002e610a071534e448c46460a5aa39ede33bf56b329glennrp case 0: 1003e610a071534e448c46460a5aa39ede33bf56b329glennrp return PerceptualIntent; 10040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1005e610a071534e448c46460a5aa39ede33bf56b329glennrp case 1: 1006e610a071534e448c46460a5aa39ede33bf56b329glennrp return RelativeIntent; 10070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1008e610a071534e448c46460a5aa39ede33bf56b329glennrp case 2: 1009e610a071534e448c46460a5aa39ede33bf56b329glennrp return SaturationIntent; 10100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1011e610a071534e448c46460a5aa39ede33bf56b329glennrp case 3: 1012e610a071534e448c46460a5aa39ede33bf56b329glennrp return AbsoluteIntent; 10130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1014e610a071534e448c46460a5aa39ede33bf56b329glennrp default: 1015e610a071534e448c46460a5aa39ede33bf56b329glennrp return UndefinedIntent; 1016e610a071534e448c46460a5aa39ede33bf56b329glennrp } 1017e610a071534e448c46460a5aa39ede33bf56b329glennrp} 1018e610a071534e448c46460a5aa39ede33bf56b329glennrp 10199d8c12213abd15fee2d84da62d3e5145d9db06cdcristystatic const char * 102098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrpMagick_RenderingIntentString_from_PNG_RenderingIntent(const int ping_intent) 102198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp{ 102298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp switch (ping_intent) 102398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 102498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 0: 102598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Perceptual Intent"; 102698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 102798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 1: 102898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Relative Intent"; 102998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 2: 103198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Saturation Intent"; 103298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp case 3: 103498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Absolute Intent"; 103598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 103698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp default: 103798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp return "Undefined Intent"; 103898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 103998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp} 104098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 1041bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMax(const ssize_t x,const ssize_t y) 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x > y) 10443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 10450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 10480c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp 1049d9ecd04e9c567113b4b605cf76681cbb37c093cdcristystatic const char * 10505dff435eceea4f80207a906b11e65aed48fe3f27glennrpMagick_ColorType_from_PNG_ColorType(const int ping_colortype) 10515dff435eceea4f80207a906b11e65aed48fe3f27glennrp{ 10525dff435eceea4f80207a906b11e65aed48fe3f27glennrp switch (ping_colortype) 10535dff435eceea4f80207a906b11e65aed48fe3f27glennrp { 10545dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 0: 10555dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Grayscale"; 10565dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10575dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 2: 10585dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Truecolor"; 10595dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10605dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 3: 10615dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Indexed"; 10625dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10635dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 4: 10645dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "GrayAlpha"; 10655dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10665dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 6: 10675dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "RGBA"; 10685dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10695dff435eceea4f80207a906b11e65aed48fe3f27glennrp default: 10705dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "UndefinedColorType"; 10715dff435eceea4f80207a906b11e65aed48fe3f27glennrp } 10725dff435eceea4f80207a906b11e65aed48fe3f27glennrp} 10735dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10745dff435eceea4f80207a906b11e65aed48fe3f27glennrp 1075bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic inline ssize_t MagickMin(const ssize_t x,const ssize_t y) 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (x < y) 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(x); 10790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(y); 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1082d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1200d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1201bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 12073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1231a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 12423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124403812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 124503812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1249e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1250e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1252d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1258d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 13243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1340f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 13608fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13713b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 1372e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1373e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 13853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1401bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14148fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 14170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 14223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 14253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_bKGD,4) == 0) 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14728fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1477bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 14780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 14813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14843ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 14873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1492bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1504bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 15103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 15260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 15283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 15303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 15310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 15393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1544bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1546bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 155021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 155121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 155321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1555bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 15600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 15623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 15640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 15713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 15780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 15810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 15833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 15840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 15863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 15870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1600bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1601bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1602bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 16063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 16073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 16083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 16183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16228182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 16238182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 16240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 16283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 16293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 16323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16348182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 16353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16368182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 163916ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 164016ea139d53d867211d3bb0fa859a83de653f687ecristy{ 164116ea139d53d867211d3bb0fa859a83de653f687ecristy Image 164216ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 164316ea139d53d867211d3bb0fa859a83de653f687ecristy 164416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 164516ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 164616ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 164716ea139d53d867211d3bb0fa859a83de653f687ecristy 1648cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 16493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 165016ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 165116ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 165216ea139d53d867211d3bb0fa859a83de653f687ecristy 16533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 165616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 165716ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 16580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 165916ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 166016ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 166116ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1662c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 166316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 166416ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s error: %s", PNG_LIBPNG_VER_STRING,message); 166516ea139d53d867211d3bb0fa859a83de653f687ecristy 166616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 166716ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 16680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1669e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 16708371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 16718371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 16728371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 16733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1674faa852bad40107edae19405e76a299057668d795glennrp#else 1675faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1676faa852bad40107edae19405e76a299057668d795glennrp#endif 16773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1679cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 16803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 168116ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 168216ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 168316ea139d53d867211d3bb0fa859a83de653f687ecristy 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 168716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 168816ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 168916ea139d53d867211d3bb0fa859a83de653f687ecristy 16903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 16913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 16920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 169316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 169416ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 169516ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 169616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 169716ea139d53d867211d3bb0fa859a83de653f687ecristy " libpng-%s warning: %s", PNG_LIBPNG_VER_STRING,message); 16980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 169916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 17013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1704943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#if PNG_LIBPNG_VER >= 10400 1705a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_alloc_size_t size) 1706a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 1707a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_size_t size) 1708a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1710df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 17153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1717cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17193bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1730edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrpMagick_png_read_raw_profile(png_struct *ping,Image *image, 1731edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp const ImageInfo *image_info, png_textp text,int ii,ExceptionInfo *exception) 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1733bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 17453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17490c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 17503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 17533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 17643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1766f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 17670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 176897f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 176997f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 177097f90e23c85b9c58387880125c29d8c99126f83aglennrp 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 17723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 17763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1777edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping,"invalid profile length"); 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17818723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 17820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1785edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "unable to copy profile"); 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1793bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1799edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ran out of profile data"); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 18043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 18080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 18113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 18133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 181516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 18200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 18253ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18392ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp LogMagickEvent(CoderEvent,GetMagickModule(), 18402ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp " read_vpag_chunk: found %c%c%c%c chunk", 18412ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp chunk->name[0],chunk->name[1],chunk->name[2],chunk->name[3]); 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 18443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1857bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 18583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 18590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1860bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 18613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 18623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 18643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 18653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 18663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 18673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 18693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1873fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 1874fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void read_tIME_chunk(Image *image,png_struct *ping,png_info *info, 1875fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ExceptionInfo *exception) 1876fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 1877fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_timep 1878fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time; 1879fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1880fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (png_get_tIME(ping,info,&time)) 1881fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1882fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk char 1883fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp[21]; 1884fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1885fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk FormatLocaleString(timestamp,21,"%04d-%02d-%02dT%02d:%02d:%02dZ", 1886fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time->year,time->month,time->day,time->hour,time->minute,time->second); 1887fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk SetImageProperty(image,"png:tIME",timestamp,exception); 1888fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1889fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 1890fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1891fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 19113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 19123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 19163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 19183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 19203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 19223ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 19243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1927cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 1928cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 19293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1932d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp char 1933ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp im_vers[32], 1934ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv[32], 1935ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_vers[32], 1936ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv[32], 1937ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_vers[32]; 1938d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 19393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 194098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent, /* "PNG Rendering intent", which is ICC intent + 1 */ 1941cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 19434eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 19443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1945913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors, 1946faa852bad40107edae19405e76a299057668d795glennrp pass, 1947faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1948faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1949fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth, 1950faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1951faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1952faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 19534eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 19544eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 19554eb3931feb349dd87142c78503b779228f3e1a0fglennrp 19564eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 19574eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 19583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 19604383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 196198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 196298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 196398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 196498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 19653d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM, 1966ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 19673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 19683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19690997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 19700997332e2c35a821b271d6e7473c01c10dc206adcristy *volatile pixel_info; 19710997332e2c35a821b271d6e7473c01c10dc206adcristy 197216ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 197316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 197416ea139d53d867211d3bb0fa859a83de653f687ecristy 197516ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 197616ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 197716ea139d53d867211d3bb0fa859a83de653f687ecristy 1978faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1979faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1980faa852bad40107edae19405e76a299057668d795glennrp 1981faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1982faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1983faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1984faa852bad40107edae19405e76a299057668d795glennrp 19853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 19863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 19873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 19883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1995faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1996faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1997faa852bad40107edae19405e76a299057668d795glennrp ping_width, 19984eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 19994eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 2000faa852bad40107edae19405e76a299057668d795glennrp 200116ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 200216ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 200316ea139d53d867211d3bb0fa859a83de653f687ecristy 2004bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 2005756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 20063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 20073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 20093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 20103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2011bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 20123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 201516ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 201939992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2022eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2023eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2024eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 202575fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 20260997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 202755b78b53f1e013e0af19565ac04aaa7660d53795cristy 2028629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 20323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 20333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 20343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 20353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 2036fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if !defined(PNG_tIME_SUPPORTED) 20373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2038fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 2039629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2040629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2041629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2042629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2043629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2044629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 20453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 20463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2048d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 2049d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 2050d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 2051d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 2052d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2053ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibVersionText,32); 2054d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2055ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibAddendum,32); 2056ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2057d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 2058d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 2059ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 2060ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 2061ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 2062ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 2063ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2064d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 2065d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 2066ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 2067ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 2068ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 2069ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 2070ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 20712dd1906783a5ece58a6105b4f59239e28b13caddglennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(), 20722dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Enter ReadOnePNGImage()\n" 20732dd1906783a5ece58a6105b4f59239e28b13caddglennrp " IM version = %s\n" 20742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Libpng version = %s", 20752dd1906783a5ece58a6105b4f59239e28b13caddglennrp im_vers, libpng_vers); 20762dd1906783a5ece58a6105b4f59239e28b13caddglennrp 20772dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 20782dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20792dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 2080d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 20812dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20822dd1906783a5ece58a6105b4f59239e28b13caddglennrp libpng_runv); 2083d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 20842dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 20852dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_vers); 20862dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 20872dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20882dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20892dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_runv); 20902dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 20912dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 2092d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 209325c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 20943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 20953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 209961b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 210061b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 210161b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 210261b4c957269727a0a2526edc2331881da8346100glennrp { 210361b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 210461b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 210561b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 210661b4c957269727a0a2526edc2331881da8346100glennrp } 210761b4c957269727a0a2526edc2331881da8346100glennrp# endif 210861b4c957269727a0a2526edc2331881da8346100glennrp#endif 210961b4c957269727a0a2526edc2331881da8346100glennrp 211016ea139d53d867211d3bb0fa859a83de653f687ecristy 211116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 21123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 21133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2114a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 211598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2116a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21172dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Before reading:\n" 21182dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->alpha_trait=%d" 21192dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->rendering_intent=%d\n" 21202dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->colorspace=%d\n" 21212dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->gamma=%f", 21222dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->alpha_trait, (int) image->rendering_intent, 21232dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->colorspace, image->gamma); 212498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 212598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 212698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21270e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21280e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21290e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21300e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 213116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21320e319739731741c52a6303723e0c8678a0df5579glennrp 2133913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2134cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21354eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2136cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2137cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 213898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 213998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 214098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 214198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 21424b917593e694424be469d250448c05c878663812glennrp ping_found_sRGB_cHRM = MagickFalse; 2143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = MagickFalse; 2144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 214598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 215016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 215116ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 215216ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2153cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2154cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 215616ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2157cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 21753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21780997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 21790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2180faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 21813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 21843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2186edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2187868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2188cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 21893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2190edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21910997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 21920997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 2193edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 21970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 21997b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy { 220016ea139d53d867211d3bb0fa859a83de653f687ecristy InheritException(exception,exception); 22017b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy image->columns=0; 22027b755eb4f94efbb57160cce0d7afe7f8ed4ef066cristy } 22030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 22053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2206edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2207edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2208edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2209edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2210edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2211edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2212868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2213edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2214edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2215edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2216943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 2217a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 2218a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 2219a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 2220a3a5f956194e91458e2789966ad15308e8f3df47glennrp 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2224faa852bad40107edae19405e76a299057668d795glennrp 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2250e604a757f40a91c286711c49577eeced17ea97adglennrp { 2251e604a757f40a91c286711c49577eeced17ea97adglennrp const char 2252e604a757f40a91c286711c49577eeced17ea97adglennrp *value; 2253e604a757f40a91c286711c49577eeced17ea97adglennrp 2254e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"profile:skip"); 2255e604a757f40a91c286711c49577eeced17ea97adglennrp 2256e604a757f40a91c286711c49577eeced17ea97adglennrp if (IsOptionMember("ICC",value) == MagickFalse) 2257e604a757f40a91c286711c49577eeced17ea97adglennrp { 2258e604a757f40a91c286711c49577eeced17ea97adglennrp 2259e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 2260e604a757f40a91c286711c49577eeced17ea97adglennrp 2261e604a757f40a91c286711c49577eeced17ea97adglennrp if (value == NULL) 2262e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 2263e604a757f40a91c286711c49577eeced17ea97adglennrp 2264e604a757f40a91c286711c49577eeced17ea97adglennrp if (value != NULL) 2265e604a757f40a91c286711c49577eeced17ea97adglennrp ping_preserve_iCCP=MagickTrue; 2266201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp 2267201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#if defined(PNG_SKIP_sRGB_CHECK_PROFILE) && defined(PNG_SET_OPTION_SUPPORTED) 2268201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp /* Don't let libpng check for ICC/sRGB profile because we're going 2269201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp * to do that anyway. This feature was added at libpng-1.6.12. 2270cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp * If logging, go ahead and check and issue a warning as appropriate. 2271201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp */ 2272cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp if (logging == MagickFalse) 2273cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON); 2274201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#endif 2275e604a757f40a91c286711c49577eeced17ea97adglennrp } 2276e604a757f40a91c286711c49577eeced17ea97adglennrp#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 2277e604a757f40a91c286711c49577eeced17ea97adglennrp else 2278e604a757f40a91c286711c49577eeced17ea97adglennrp { 2279e604a757f40a91c286711c49577eeced17ea97adglennrp png_set_keep_unknown_chunks(ping, 1, mng_iCCP, 1); 2280e604a757f40a91c286711c49577eeced17ea97adglennrp } 2281e604a757f40a91c286711c49577eeced17ea97adglennrp#endif 2282e604a757f40a91c286711c49577eeced17ea97adglennrp } 22833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22852ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#if PNG_LIBPNG_VER < 10700 /* Avoid libpng16 warning */ 22862ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp png_set_keep_unknown_chunks(ping, 2, NULL, 0); 22872ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#else 22883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22892ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#endif 22903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22972feb141b6f74ce425fed3272286fab1f50366bb9glennrp#ifdef PNG_SET_USER_LIMITS_SUPPORTED 229809cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# if (PNG_LIBPNG_VER >= 10400) 22992feb141b6f74ce425fed3272286fab1f50366bb9glennrp /* Limit the size of the chunk storage cache used for sPLT, text, 2300687361928f16a28ea56e200d00e970e68173cc25glennrp * and unknown chunks. 23012feb141b6f74ce425fed3272286fab1f50366bb9glennrp */ 2302687361928f16a28ea56e200d00e970e68173cc25glennrp png_set_chunk_cache_max(ping, 32767); 230309cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# endif 23042feb141b6f74ce425fed3272286fab1f50366bb9glennrp#endif 23052feb141b6f74ce425fed3272286fab1f50366bb9glennrp 23069bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 23079bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 23089bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 23099bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 23109bf97b6c2143eb20c330346b01e82102cc082725glennrp 2311991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2312991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2313991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 23143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 23153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 23163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 23183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 23193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 23213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 23223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 23233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2327991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2331faa852bad40107edae19405e76a299057668d795glennrp 2332faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2333faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2334faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2335faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2336faa852bad40107edae19405e76a299057668d795glennrp 2337fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2338fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 23390d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp /* Swap bytes if requested */ 23400d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp if (ping_file_depth == 16) 23410d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp { 23420d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp const char 2343a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp *value; 2344a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2345a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageOption(image_info,"png:swap-bytes"); 2346a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2347a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value == NULL) 2348a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageArtifact(image,"png:swap-bytes"); 2349a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2350a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value != NULL) 2351a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp png_set_swap(ping); 23520d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp } 23530d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp 23545830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp /* Save bit-depth and color-type in case we later want to write a PNG00 */ 23555830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 23565830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp char 23575830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp msg[MaxTextExtent]; 23585830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23595830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_color_type); 23603398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color-type-orig",msg,exception); 23615830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23625830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_bit_depth); 23633398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit-depth-orig",msg,exception); 23645830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 23655830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2366faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2367faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2368faa852bad40107edae19405e76a299057668d795glennrp 2369faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2370faa852bad40107edae19405e76a299057668d795glennrp 2371faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2373fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2374fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2376faa852bad40107edae19405e76a299057668d795glennrp 2377faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2379faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 238098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2381176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2382176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2383176b29a003f11fd934137871d574995319408665cristy { 2384176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 238598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2386176b29a003f11fd934137871d574995319408665cristy image->gamma=1.000; 2387176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2388176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2389176b29a003f11fd934137871d574995319408665cristy } 239098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23942dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG width: %.20g, height: %.20g\n" 23952dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG color_type: %d, bit_depth: %d\n" 23962dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG compression_method: %d\n" 23973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 23982dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) ping_width, (double) ping_height, 23992dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_color_type, ping_bit_depth, 24002dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_compression_method, 2401faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 24022dd1906783a5ece58a6105b4f59239e28b13caddglennrp 24033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 24043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2405ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 2406ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2407ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 2408ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (logging != MagickFalse) 2409ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2410ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 2411ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2412ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 241398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 241498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 241598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 241698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 241798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 241898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 241998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 242198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 242298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 242398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 242498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 242598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 242698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 242798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2429ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP != MagickTrue && png_get_valid(ping,ping_info, 2430ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 243198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2432ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB=MagickTrue; 243398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 243498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2435ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG sRGB chunk."); 243698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 243798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2438ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2439e604a757f40a91c286711c49577eeced17ea97adglennrp if (ping_found_iCCP !=MagickTrue && 2440ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB != MagickTrue && 2441ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 244298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2443ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 244498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 244598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2446ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 244798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 244898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2449faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 24503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2454e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2455e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2456e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2457e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2458e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2459e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2460e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2461e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2479ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2480e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2481ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2482e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2483ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2484ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_warning(ping, "ICC profile is NULL"); 2485ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2486ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else 2488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2489ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_preserve_iCCP == MagickFalse) 2490edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2491ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp int 2492ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 2493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 2494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2496ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 2497ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length, 2498ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 2499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2500ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp unsigned char 2501ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp *data; 2502ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2503ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length=(png_uint_32) GetStringInfoLength(profile); 2504ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 2506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2507ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 2508ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2509ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 2510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 2513ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 2516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 2517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2518ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2519ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 2520ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 2521ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2522ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2523ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 2524ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2525ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2526ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 2527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 2528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 2529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent==UndefinedIntent) 2530ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2531ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 2533ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 2534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2535ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp break; 2536ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2537ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2538ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2539ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 2540ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2541ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2542ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 2543ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2544ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2545ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2546edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2547ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else /* Preserve-iCCP */ 2548edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2549ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2550edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2551ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2552ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2553ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2557ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 25593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2560ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP==MagickFalse && png_get_valid(ping,ping_info, 2561ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 2562ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2563ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_sRGB(ping,ping_info,&intent)) 25643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2565ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2566ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2567ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent (intent); 25680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2571e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 25723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2573ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2574ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2575ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else if (mng_info->have_global_srgb) 2576ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2577ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2578ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2579ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent 2580ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (mng_info->global_srgb_intent); 2581ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2584ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2585ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2587faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2588faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2589faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 25900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 25923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 25943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 259998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2600faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2601faa852bad40107edae19405e76a299057668d795glennrp { 2602faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2603faa852bad40107edae19405e76a299057668d795glennrp { 2604faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2605faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2606faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2607faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2608faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2609faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2610faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2611faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2612faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2613faa852bad40107edae19405e76a299057668d795glennrp } 2614faa852bad40107edae19405e76a299057668d795glennrp } 26150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2616faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 26173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 26193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 26203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 26213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 26223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 26233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 26243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 26253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 26263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 26270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2628ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_cHRM=MagickTrue; 2629ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 26303d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (image->chromaticity.red_primary.x>0.6399f && 26313d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 26323d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 26333d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 26343d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 26353d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 26363d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 26373d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 26383d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 26393d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 26403d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 26413d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 26423d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 26433d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 26443d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 26453d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f) 26463d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM=MagickTrue; 26473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2649e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26513d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (ping_found_sRGB != MagickTrue && 26523d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_gAMA != MagickTrue || 265384288238d90b2e1831857d6b2427abd7875b7e1bglennrp (image->gamma > .45 && image->gamma < .46)) && 26543d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_cHRM != MagickTrue || 2655cd8b331760407523f2a59cc65c1cd9c3d4422bafcristy ping_found_sRGB_cHRM != MagickFalse) && 26563d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_iCCP != MagickTrue) 26575cf1bff142633838354b1080183c957900bc80e8glennrp { 26585cf1bff142633838354b1080183c957900bc80e8glennrp png_set_sRGB(ping,ping_info, 26595cf1bff142633838354b1080183c957900bc80e8glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 26605cf1bff142633838354b1080183c957900bc80e8glennrp (image->rendering_intent)); 26615cf1bff142633838354b1080183c957900bc80e8glennrp file_gamma=1.000f/2.200f; 26625cf1bff142633838354b1080183c957900bc80e8glennrp ping_found_sRGB=MagickTrue; 266384288238d90b2e1831857d6b2427abd7875b7e1bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2664918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp " Setting sRGB as if in input"); 26655cf1bff142633838354b1080183c957900bc80e8glennrp } 26663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26675cf1bff142633838354b1080183c957900bc80e8glennrp 26683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2669faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 26703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2671905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2672905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 26730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 26763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2677e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2678e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2682faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2683faa852bad40107edae19405e76a299057668d795glennrp { 2684faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2685faa852bad40107edae19405e76a299057668d795glennrp { 2686faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2687faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2688faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2689faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2690faa852bad40107edae19405e76a299057668d795glennrp } 2691faa852bad40107edae19405e76a299057668d795glennrp } 2692faa852bad40107edae19405e76a299057668d795glennrp 26935c97f62ba919c3c109f0072df3b560056565e9e7cristy x_resolution=0; 26945c97f62ba919c3c109f0072df3b560056565e9e7cristy y_resolution=0; 26955c97f62ba919c3c109f0072df3b560056565e9e7cristy unit_type=0; 2696faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 27003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 27020881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 270316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 270416ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 27050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 270916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 271016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 27143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2715e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2716e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2719823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2720faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2728faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 27313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 27333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 27340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2735faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2736edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2739edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2740edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2742edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2743edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2744edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2745edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2746edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2747edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2748bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 27493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 27503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2753faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 27563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 27603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2762faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2763faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 27640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 27663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 27670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 27693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 27700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 27730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2774c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2775c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2776c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 27773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 27783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2782edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 27833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2786bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2787faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2788faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 27893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 27900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2791faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2793bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2794bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2795bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 27962dd1906783a5ece58a6105b4f59239e28b13caddglennrp /* Set image background color. 27972dd1906783a5ece58a6105b4f59239e28b13caddglennrp * Scale background components to 16-bit, then scale 2798bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2799bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 28002cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2801bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 28020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2803fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2804bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 28050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2806fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2807bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 28080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2809fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2810bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 28110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2812fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2813bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 28142cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2815bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2816bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2817bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 28182cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2819bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2820bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 28212dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 28222dd1906783a5ece58a6105b4f59239e28b13caddglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28232dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Reading PNG bKGD chunk, raw ping_background=(%d,%d,%d).\n" 28242dd1906783a5ece58a6105b4f59239e28b13caddglennrp " bkgd_scale=%d. ping_background=(%d,%d,%d).", 28252dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->red,ping_background->green, 28262dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->blue, 28272dd1906783a5ece58a6105b4f59239e28b13caddglennrp bkgd_scale,ping_background->red, 28282dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->green,ping_background->blue); 2829bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 28302cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2831bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2832faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 28330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2834bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2835faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 28360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2837bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2838bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 28390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 284016ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 28412cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2842bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2843bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2844bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2845bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2846bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2847bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 28483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2849bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2850a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2851faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2854a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 28553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 28573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 285935ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 286035ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 286135ef824baa82511126ff0072ae30eee0da9c05a3cristy 28623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 28653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2866fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 28673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2868faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2869faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2870faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2871faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2872faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2873faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 28743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 28783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2879faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 28808a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 28813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2884a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2885a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2886a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2887fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2888a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2889a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2890a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2891a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2892a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 289316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 289405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2895faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28970f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 28980f111984738842d27d04aed2a3f823d82a943506glennrp { 28990f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29002dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Raw tRNS graylevel = %d, scaled graylevel = %d.", 29012dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) ping_trans_color->gray,(int) transparent_color.alpha); 29020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29030f111984738842d27d04aed2a3f823d82a943506glennrp } 290416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 290516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 290616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 29073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 29123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2913faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 29173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2918faa852bad40107edae19405e76a299057668d795glennrp 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2920faa852bad40107edae19405e76a299057668d795glennrp 2921faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2922faa852bad40107edae19405e76a299057668d795glennrp 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 29253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2927bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 29283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2929bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 29303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 29313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2932faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2933faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 29343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 29353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 29363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 29413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2944faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2945faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2946a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 294716ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 294816ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 29498d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29500a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp double 29510a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp image_gamma = image->gamma; 29520a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29530a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29540a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->gamma=%f",(float) image_gamma); 29550a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29560a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp if (image_gamma > 0.75) 29578d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29580a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp /* Set image->rendering_intent to Undefined, 2959e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 29608d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 296167429939a9bdca8c2ea541cd690b8e479c921527glennrp image->intensity = Rec709LuminancePixelIntensityMethod; 29628d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 29638d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2964ccc36af759d30fb50b1deda241d038402a393b17glennrp else 2965ccc36af759d30fb50b1deda241d038402a393b17glennrp { 2966ccc36af759d30fb50b1deda241d038402a393b17glennrp RenderingIntent 2967ccc36af759d30fb50b1deda241d038402a393b17glennrp save_rendering_intent = image->rendering_intent; 2968ccc36af759d30fb50b1deda241d038402a393b17glennrp ChromaticityInfo 2969ccc36af759d30fb50b1deda241d038402a393b17glennrp save_chromaticity = image->chromaticity; 2970ccc36af759d30fb50b1deda241d038402a393b17glennrp 2971ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,GRAYColorspace,exception); 2972ccc36af759d30fb50b1deda241d038402a393b17glennrp image->rendering_intent = save_rendering_intent; 2973ccc36af759d30fb50b1deda241d038402a393b17glennrp image->chromaticity = save_chromaticity; 2974ccc36af759d30fb50b1deda241d038402a393b17glennrp } 2975ccc36af759d30fb50b1deda241d038402a393b17glennrp 2976ccc36af759d30fb50b1deda241d038402a393b17glennrp image->gamma = image_gamma; 29778d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2978e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2979e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29800a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->colorspace=%d",(int) image->colorspace); 2981a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2982faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 298332340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 298432340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 29853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2986befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2987befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2988befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2990befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2991fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 29923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 29933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 299467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 299567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 299667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 299767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 29983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2999faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 3005bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 30060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 30083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 30143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 30173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 301816ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 3019edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 30200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3021faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 30270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30286af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 30293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 30323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 30333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30346af6cf1a950b111ad0ac706269a703086693ba71glennrp 303567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 30366af6cf1a950b111ad0ac706269a703086693ba71glennrp { 30376af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 30386af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 30396af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 30406af6cf1a950b111ad0ac706269a703086693ba71glennrp } 30413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3045bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 30463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 30473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3048fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale=(QuantumRange/((1UL << ping_file_depth)-1)); 30490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 30513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 30520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3053bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 30543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 30563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 30573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 30583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3061147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3062cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 3063cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3064147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 3065147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 3066147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3067fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 3068147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 3069147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30703b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 30717cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 30723398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.width,height",msg,exception); 3073147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3074fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_file_depth); 30753398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit_depth",msg,exception); 3076147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30775dff435eceea4f80207a906b11e65aed48fe3f27glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (%s)", 30785dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 30795dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 30803398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color_type",msg,exception); 3081147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3082913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 3083913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3084913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Not interlaced)", 3085913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3086913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3087913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 3088913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3089913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Adam7 method)", 3090913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3091913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3092913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 3093913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3094913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Unknown method)", 3095913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3096913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3097913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 3098913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 3099913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 3100913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3101913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d", 3102913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 31033398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:PLTE.number_colors",msg, 3104913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 3105913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3106fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 3107fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3108fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,ping_info,exception); 3109fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3110cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3111147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 31123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 31170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31180ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 3119347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 3120347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31221b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 31231b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 31241b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 31251b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 31263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3128e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 31293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 31303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3131edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3132868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3133cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 31343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3135edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 31363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 31390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 31460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 31480997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(image->rows,ping_rowbytes* 3149cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 31500997332e2c35a821b271d6e7473c01c10dc206adcristy else 31510997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(ping_rowbytes,sizeof(*ping_pixels)); 31520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31530997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 3154edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31550997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 31560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 31603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 31623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 316316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=AcquireQuantumInfo(image_info,image); 316416ea139d53d867211d3bb0fa859a83de653f687ecristy 316516ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 3166edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 31670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31684b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 31694b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp 3170c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3171c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3172c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 3173c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 3174c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3175c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3176c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 31783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3179c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3180c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3181c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3182c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3183c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 3184ccc36af759d30fb50b1deda241d038402a393b17glennrp image->alpha_trait= 3185ccc36af759d30fb50b1deda241d038402a393b17glennrp (((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3186c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3187c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3188b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3190c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3191c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3192c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3193c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 31940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3195c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3196c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 31970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3198cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3199c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3200c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3201c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3202c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3203862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 32043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 320516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3206c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 32070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320816ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 320916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321016ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 32110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321216ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 321316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321416ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 32150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 321616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 321716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 321816ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 32190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 322016ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 322116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 322216ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 32230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 322416ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 322516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 322616ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 32273faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3228c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3229c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3230c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3231a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3232a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3233a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3234a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3235c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3236c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 32375aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 32385aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 323916ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3240c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3241a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3242a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3243a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3244a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3245c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3246c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3247c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 32494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 325016ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 325116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 325216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 325316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 325416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 325516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 32564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3257a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3258a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3259a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 32604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 32614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 32624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 326316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3264c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3265c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3267c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes == 1)) 3268c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 3270c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp image->rows); 32710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3272c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3273c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3274c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3275c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3276c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3277c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3279c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((image->previous == (Image *) NULL) && (num_passes != 1)) 32807a287bfadeadea12e47c2376ca78a5d101687142cristy { 3281c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 32827a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32837a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32847a287bfadeadea12e47c2376ca78a5d101687142cristy } 32853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3289c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 32913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 32933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 32943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 32973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3301c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3302c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3303c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 330416ea139d53d867211d3bb0fa859a83de653f687ecristy 33058a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3306b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 33070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3309b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3310b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 33110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3313edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 33140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3315bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 33163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33174f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp Quantum 33184f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha; 33194f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3321faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3322c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 33243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3325c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3326cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3327c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3328c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3329c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3330c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 33314f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 33320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 333316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3336cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3338c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3339faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 33403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 33423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33434f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 3344faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3345bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3347a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33484f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33494f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleCharToQuantum((unsigned char)*p++); 33504f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33514f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33524f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33534f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 33540b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33554f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 335616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3360bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3361a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 336547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 33673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3368bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3369a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3370c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 337187281ec8d96ad26dfed9968c29b2920cb3d96744cristy unsigned short 337258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 337358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3375c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 337658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 337758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3378c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 337958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 338058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3381c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 338258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 33830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3384faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 33853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3386c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3387c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3388c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3389c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3390c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3391c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 33924f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33934f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleShortToQuantum(quantum); 33944f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33954f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33964f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 339758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 33984f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 339916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 340058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 340158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 340258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 340358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 340458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 340547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 340658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 340758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 340816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 34094f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 341016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 34110b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 34124f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 341358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 341416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 34153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3417a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 341847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 342147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 34233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34253faa9a3fb01696daaf976d595f492cb530bffb21glennrp 34263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 34283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 34300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 343116ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 343216ea139d53d867211d3bb0fa859a83de653f687ecristy 343316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 343416ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3435bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 343616ea139d53d867211d3bb0fa859a83de653f687ecristy { 343716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 343816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 343916ea139d53d867211d3bb0fa859a83de653f687ecristy } 34400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34447a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes == 1)) 34457a287bfadeadea12e47c2376ca78a5d101687142cristy { 3446cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 34479fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 344847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34497a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 34507a287bfadeadea12e47c2376ca78a5d101687142cristy break; 34517a287bfadeadea12e47c2376ca78a5d101687142cristy } 34523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3453c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34547a287bfadeadea12e47c2376ca78a5d101687142cristy if ((image->previous == (Image *) NULL) && (num_passes != 1)) 34553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 345747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 34633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3465b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3466b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3471c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3473c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 34745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 34755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3477bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 34785aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 34795aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3481c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3482c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 348316ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 348416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 348516ea139d53d867211d3bb0fa859a83de653f687ecristy 34865c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 34875c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3488b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3489b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 34905c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3491b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 34928a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 349316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3494b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 34955c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 349647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34974eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3499ccc36af759d30fb50b1deda241d038402a393b17glennrp if (logging != MagickFalse) 3500ccc36af759d30fb50b1deda241d038402a393b17glennrp { 3501ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3502ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->storage_class=%d\n",(int) image->storage_class); 3503ccc36af759d30fb50b1deda241d038402a393b17glennrp } 3504ccc36af759d30fb50b1deda241d038402a393b17glennrp 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3506bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 35090997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 35103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 351116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3512868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3513cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 35143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 35153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 35163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 35173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 35183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 35193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 352047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3521faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 35223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 35243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 35253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 35283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 35308a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3531c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35323c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3533c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3537c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 35380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 35390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35408a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 354116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 354216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 35430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3544c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 354547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 35470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 35490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 355116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 35520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35538a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 355416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 35550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 355816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 35590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 356047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3561a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3562a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3563a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 35670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 35690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3570c11cf6a442f3046940608a5743a68cc891deb13eglennrp 357116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 35720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3573c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3575a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3576a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3577a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 35790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 358016ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 358116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 358216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 358316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 358416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 358516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 35864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 358716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 35884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 35890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 359067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 35910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 359316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 35944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3595a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 35960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 359716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 35980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 36010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3602c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 36030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3604a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3605c11cf6a442f3046940608a5743a68cc891deb13eglennrp 36063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 36073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3609eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 36104eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36114eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3612a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3613a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36144eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3615a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3616a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 36173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36184eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 36194eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 36204eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36214eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 36220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36234eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36244eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36254eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 36260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36274eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (memcmp(text[i].key, "Raw profile type ",17) == 0) 36284eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 362999f968111025b4fadb966ca482c6f57750bf007bglennrp const char 363099f968111025b4fadb966ca482c6f57750bf007bglennrp *value; 363199f968111025b4fadb966ca482c6f57750bf007bglennrp 363299f968111025b4fadb966ca482c6f57750bf007bglennrp value=GetImageOption(image_info,"profile:skip"); 363399f968111025b4fadb966ca482c6f57750bf007bglennrp 363499f968111025b4fadb966ca482c6f57750bf007bglennrp if (IsOptionMember(text[i].key+17,value) == MagickFalse) 363599f968111025b4fadb966ca482c6f57750bf007bglennrp { 363699f968111025b4fadb966ca482c6f57750bf007bglennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 363799f968111025b4fadb966ca482c6f57750bf007bglennrp (int) i,exception); 363899f968111025b4fadb966ca482c6f57750bf007bglennrp num_raw_profiles++; 363999f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 364099f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 364199f968111025b4fadb966ca482c6f57750bf007bglennrp " Read raw profile %s",text[i].key+17); 364299f968111025b4fadb966ca482c6f57750bf007bglennrp } 364399f968111025b4fadb966ca482c6f57750bf007bglennrp else 364499f968111025b4fadb966ca482c6f57750bf007bglennrp { 364599f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 364699f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 364799f968111025b4fadb966ca482c6f57750bf007bglennrp " Skipping raw profile %s",text[i].key+17); 364899f968111025b4fadb966ca482c6f57750bf007bglennrp } 36494eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36504eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 36524eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 36544eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 36554eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 36574eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 36594eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 36604eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3661edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36624eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 36634eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36644eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 36654eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 36664eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36674eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 36684eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 36694eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 36704eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 36714eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 36724eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 367316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36754eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36774eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36782dd1906783a5ece58a6105b4f59239e28b13caddglennrp " length: %lu\n" 36792dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Keyword: %s", 36802dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) length, 36812dd1906783a5ece58a6105b4f59239e28b13caddglennrp text[i].key); 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36844eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 368597f90e23c85b9c58387880125c29d8c99126f83aglennrp } 36864eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3687fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk num_text_total += num_text; 3688fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 36893c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 36913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 36973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 370273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 37030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 37083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 371047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3715edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 37160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3718edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 37263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 37270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 372916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 37330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3735edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 37360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3737faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 37390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3740faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3741faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3742faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3743faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3744faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3745faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3746faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3747faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 37480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3749faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 37523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 37533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 37563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 37583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 37593c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 37603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 37613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 37633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 376547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 37683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37710a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 37728a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 37730a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 37740a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 37750a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 37768a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 37770a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 37780a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3779b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 37800a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3781224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#if 0 /* I'm not sure what's wrong here but it does not work. */ 37825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (image->alpha_trait == BlendPixelTrait) 37835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 37855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleMatteType,exception); 37865830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37875830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37885830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteMatteType,exception); 37895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37905830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 37925830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 37935830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37945830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37955830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37965830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 37975830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleType,exception); 37985830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37995830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 38005830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteType,exception); 38015830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 38025830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 38035830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorType,exception); 38045830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 3805224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#endif 38065830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 3807cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3808cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3809cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3810cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3811cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38124eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3813cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3814cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 38153b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3816613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 38173398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:text",msg, 381816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3819cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3820cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3821cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3822cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 38233b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3824cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 382516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 382616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3827cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3828cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 382998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 38305961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38313b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38325961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 38333398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:cHRM",msg, 383416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38355961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3836cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3837cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 38385961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38393b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38405961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 38413398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:bKGD",msg, 384216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38435961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 38445961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 38453b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38465961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3847cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 384898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 384998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 38503398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:iCCP",msg, 385116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 385298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3853cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38544eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 38553398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:tRNS",msg, 385616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38574eb3931feb349dd87142c78503b779228f3e1a0fglennrp 38584eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 385998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 38604eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38613b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 386298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 386398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 386498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 38653398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:sRGB",msg, 386698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 38674eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38684eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38694eb3931feb349dd87142c78503b779228f3e1a0fglennrp 387098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 38714eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38723b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 387316ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 387416ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 38753398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:gAMA",msg, 387616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38774eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3878cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38794eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3880cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 38814eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38823b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 388307523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 38844eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 38853398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:pHYs",msg, 388616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38874eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38884eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3889cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38904eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 38914eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 38924eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38933b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 38944eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 38953398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:oFFs",msg, 389616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38974eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38984eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38994eb3931feb349dd87142c78503b779228f3e1a0fglennrp 3900fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3901fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,end_info,exception); 3902fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3903fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 390407523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 390507523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 390607523c7d2e40370804c2036295571e4b6426f94dglennrp { 39073b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 390807523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 390907523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 39103398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:vpAg",msg, 391116ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 391207523c7d2e40370804c2036295571e4b6426f94dglennrp } 3913cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3914cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39200997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 39250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3926868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3927edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3928edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3929edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3930edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3931edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3932edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3933edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 39443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 394621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 394721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 396447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 39663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 396847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3971fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 397216ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 397547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 397847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 398347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3984dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 39853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 398647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 399173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 399247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 399547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 40023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 40053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 400647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 40083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous != (Image *) NULL) 40103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (previous->signature != MagickSignature) 40123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 40153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 40163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 40170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 40210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 40233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 402447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 402647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 40273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 40293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 40320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 403547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 403672715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 40373d627862fb79aad8a20be4f1587f0b8761db441aglennrp ((image->gamma < .45) || (image->gamma > .46)) && 40383d627862fb79aad8a20be4f1587f0b8761db441aglennrp !(image->chromaticity.red_primary.x>0.6399f && 40393d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 40403d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 40413d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 40423d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 40433d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 40443d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 40453d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 40463d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 40473d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 40483d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 40493d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 40503d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 40513d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 40523d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 40533d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f)) 4054ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4055ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,RGBColorspace,exception); 4056ccc36af759d30fb50b1deda241d038402a393b17glennrp } 405772715f5c299a6482f8eb175070b056d77b74a43fcristy 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 4059ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4060ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4061ccc36af759d30fb50b1deda241d038402a393b17glennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 4062ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.width,(double) image->page.height, 4063ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.x,(double) image->page.y); 4064ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4065ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->colorspace: %d", (int) image->colorspace); 4066ccc36af759d30fb50b1deda241d038402a393b17glennrp } 406797f90e23c85b9c58387880125c29d8c99126f83aglennrp 406897f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 40700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 40923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 40943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 41153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41224383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 41234383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 41244383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 4125bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 41303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 41323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 414516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 41463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4148bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 41503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 415216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 4160e0421fec74bee9a6f9def3d51aed4204f970ad73glennrp reading_idat; 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4162bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 4176fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 41790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 418016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 41880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 418916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 41900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 42053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 42103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 42133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 42173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 42193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 42200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 42223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 42230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4231e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4232e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 42360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 423947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42408fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 42430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 42460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4247bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 42490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 425247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4259bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 4260e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[2] << 8) | p[3]); 4261bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 4262e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[6] << 8) | p[7]); 4263e2440c250d94d64f8c70e596fe90808795aaa07ecristy if ((jng_width == 0) || (jng_height == 0)) 4264e2440c250d94d64f8c70e596fe90808795aaa07ecristy ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); 42653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 42663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 42683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 426947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 427247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 42743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 42763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 427747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42812dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_width: %16lu, jng_height: %16lu\n" 42822dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_color_type: %16d, jng_image_sample_depth: %3d\n" 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 42842dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) jng_width, (unsigned long) jng_height, 42852dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_color_type, jng_image_sample_depth, 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 428747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42892dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_image_interlace_method: %3d" 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 42912dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_image_interlace_method, 42923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 429347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42952dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_compression_method:%3d\n" 42962dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_filter_method: %3d\n" 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 42982dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_compression_method, 42992dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_filter_method, 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 430347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43048fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 430647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 43173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 43183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 43213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 432273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 432347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 432647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 432816ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 43290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 43313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 43360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 43393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 434773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 43480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 435316ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 43540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 43650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 43810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 43840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 438703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 43933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 44033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 440447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 44093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 441147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44128fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 441447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 442347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4431bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 443303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 44383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44408fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 444847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44598fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 44680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44698fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 44783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 44813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 44823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 44853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 44963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 44988182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 44990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45088182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 45098182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 45108182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 45118182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 45128182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 45138182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 45148182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 45158182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 451747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4526e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4527cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4528da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 45293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 45373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 453847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45475eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 45485eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 45490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 45543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 455647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45578fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 456716ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 456816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 457216ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 457316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4584fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45858fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45928fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 45963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 462016ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 46213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 46243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 462647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 46300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4631f0eec7524321f1be1bfe568a13ab7d4d0333c814cristy assert(color_image_info != (ImageInfo *) NULL); 46323b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 46333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 46340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 46363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 46370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 46433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 46510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 46540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4655bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 465716ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 46583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 465916ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 466016ea139d53d867211d3bb0fa859a83de653f687ecristy { 466116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 466216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 466316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 466416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 466516ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 466616ea139d53d867211d3bb0fa859a83de653f687ecristy } 466747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 46730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 46773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 46793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 46813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 46823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 46833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 468403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 46863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 46900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 469316ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 46943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46953b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 46990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4701bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 470416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 470647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47078a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 470816ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 470916ea139d53d867211d3bb0fa859a83de653f687ecristy { 471016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 471116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 471216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 471316ea139d53d867211d3bb0fa859a83de653f687ecristy } 47140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 471616ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 47173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 471816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 471916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 47208a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 472116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 472216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 47233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 47273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 47293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 47303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 473647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 473747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 47450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 47470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 47480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 47510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 47530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 47640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 47680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 48003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 48013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 48043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 48073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 481021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 481121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 48123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 48153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 48193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 48213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 48223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 48253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 48263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 48273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4831fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 483216ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 48403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 484247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 484347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 484547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48463b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 484947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 485047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 485273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 48530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 485747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 485847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 48703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 48723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 48733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 488247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 48940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 49053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49084383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 490921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 491021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 49114383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4918bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 49283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 493616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 49373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 49383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4943bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4949bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 49633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4966bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 49693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 497538ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 497638ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 497738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4978bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 49803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 49813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 49823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 49833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 49873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 49883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 49893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 49993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 500047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 500147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 50033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 50043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 5007fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 500816ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 50110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 50140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 501847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 501947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 502047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 502173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 50220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 50250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 502647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 502747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 503747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 504147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 504247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5045bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 5046bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 505047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 50553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 50603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 50633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 50673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 50703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 50733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 50743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 50763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 50883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 50903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5093e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 5094e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 50973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 50980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 51010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 51040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51058fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 510847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 511147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5112bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 511447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 51213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 512616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 51280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 51333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 51350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 513716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 51390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 51433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 514447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 51490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51508fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 51560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 51613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5162bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 51640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5165bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5171e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 51723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5173e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 51778182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 51780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 51810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 51843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 51850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 51873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 51880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 51928182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 51960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 51990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 52020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 520716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 52083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 520947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 521016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 52110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 52133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 52140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 52220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52233b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 5224e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5225f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 52260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5228bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 52293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5230bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 52320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 52350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 52413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52468fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 52480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 52503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52518182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 52528182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 52530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 52560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5264280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " repeat=%d, final_delay=%.20g, iterations=%.20g", 5265280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp repeat,(double) final_delay, (double) image->iterations); 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 527416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 52790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 528116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 52833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5288edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 52893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 52903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 529116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 52933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 530016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 53080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 53110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 53180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 53190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 53210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 53220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5326280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " x_off[%d]: %.20g, y_off[%d]: %.20g", 5327280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->x_off[object_id], 5328280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->y_off[object_id]); 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 53333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 53380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 53450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 53473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 53680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 53710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 53733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 538316ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 53843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 53893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 539447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 539747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 539847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 54040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5405bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 54063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 541235ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54228fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 54243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 54270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 543147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 54353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5437bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 54393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 54433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 544412560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 54453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5452bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54558182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 54563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 54620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 546947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 547047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54738182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 54748182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 54758182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 54778182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 54798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 54818182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 54823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 54838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 54843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 54858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 54873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 549047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 549447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55008fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5502e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5503cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 55053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 550847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 551247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5515fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 55163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 55183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 55208fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 552247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 552547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 552916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 55320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 55350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 55373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 55383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 553947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55408fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 55423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 55430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 55470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 555047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 555147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 555347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5554bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 555647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 555847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5559bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 55603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 55633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 55643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 55673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 55693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 557047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 55723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55738182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 55748182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 55750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55768182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 55778182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 55780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5579bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5580bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 55810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 55840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5589e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 559147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5594bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5595bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 55960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5597bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5598bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 55990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5600bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5601bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 56020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 56050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 56070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5610e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 561247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 56163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 56180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5622e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5623e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 562447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 56263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 56320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5633bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 56350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5636bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 56383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5644e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5645e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 56460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 56483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 56493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 565047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 565116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 56523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 565316ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 565447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 566147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 56660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 56713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 56760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 56833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 56848a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 568616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 56870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5691e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5692e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 56993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 57013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 57073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 57083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 570947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 572147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 57263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 57293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 57323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 57353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57378fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 574547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 574647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5755bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5758bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57658fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 577047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 57723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5773bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 577747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 577847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5781bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 57873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 57923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 57963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5805bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 580847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 580947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 58108182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 58110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5814e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5815e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 58160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 58183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 58190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 583047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 583447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 58530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5857e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5858f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 585947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 58633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 58640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 586947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 58803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 58833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 588747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 589147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 58933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 589516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 58973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 589847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 590147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 59033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 59093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 59123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 59180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 59210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 59240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 59273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 593116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 593547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 594147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 594747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 595047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 595647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 595947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 596547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 596847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 59713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 597447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 597747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 598347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 598647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 599247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 599547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 59983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 600147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 60043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 600547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 60083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 600916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 60113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 601347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 60193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 603247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 603616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 603947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 60413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 604247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 604616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 60483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 604947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 605247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 60563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 605747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 60613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 60643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 60663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 60738182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 60743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 60758182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 60773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 607947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 608616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 608847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 60923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 609447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 609616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 609947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 6102bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 61033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 6104bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 61063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 61113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 611247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 611547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 611847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 612447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 612747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 613047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 61373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 613847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 614147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 614447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 614947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 61578fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 615947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 616647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 616947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 617547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 61773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 618347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61848182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 61858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 61913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 61923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6198bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6200bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 620216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 620716ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 620847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 621547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 621947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 622647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 622947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 623047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 623147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 62353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 624016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6243e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6244e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 62453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 62543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 625516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 626016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 626147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 626847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 628347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 62883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 62928a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 629316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6298e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6299e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 630347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 630416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 630916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 631047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 63123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 631747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 63223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 63230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 63260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 63350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 63483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 635047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 635447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 635947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6360bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 636147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 637347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 63843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 638647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 63923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 64023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 64043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 64113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 641947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 642247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 642447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 642547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 64263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 642747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64304e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 643147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 643447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 643747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 643947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 644047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 64413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 644247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 64443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 644647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 644947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 645147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 645247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 64533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 645447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64574e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 645847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 646147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 646447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 646647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 646747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 646947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 647916ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 648016ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 648116ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 648216ea139d53d867211d3bb0fa859a83de653f687ecristy 648316ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 648416ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 648516ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 648616ea139d53d867211d3bb0fa859a83de653f687ecristy 6487bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 649116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 649516ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 649616ea139d53d867211d3bb0fa859a83de653f687ecristy x; 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 649847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 649947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 65023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 650347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 650416ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 650547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 65173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 65193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65213faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 65223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 65233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 65243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 65273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6529bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 653347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6534bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 653616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 653716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 653816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 653916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 654016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 654116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 654216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 654316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 654416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 65453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 654647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 65483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 65493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65558a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 655616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 655747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 656016ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 656116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 656247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 656547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 65673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 656847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 65703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 657147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 65743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 65773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6580e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6581bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 65823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 658316ea139d53d867211d3bb0fa859a83de653f687ecristy length=(size_t) image->columns*GetPixelChannels(image); 658416ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 658516ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 658647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 658716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 658816ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 65943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 659547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 659847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6599bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 66003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6602bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 660347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6604bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6605bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 660647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6607bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6608bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 660947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6610bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 661247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6614bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 661547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 66173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 66183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 661947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6620bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 662647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 66283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 662916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 66303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 66313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6632bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 66333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 66343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 66353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 66369fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 663716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 663816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 663947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6640bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6642fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 66433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 66453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 66503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6651bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 665216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 665316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 665416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 665516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 665616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 665716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 665816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 666047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6664bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 666516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 666616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 666716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 666816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 666916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 667016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 667116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 667216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6673bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 667447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 667816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 667916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 668016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6681bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 668216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 668316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 668416ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 668516ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6686bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 668716ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 668816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 668916ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 669016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6691bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 669216ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 669347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66948a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 669516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 669616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 669716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6698bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 669916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 67003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 670147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 67033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 67053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 670616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 670716ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 67083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 670916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 671016ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 67113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 671347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 67153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6718bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 671916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 672016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 672116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 672216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 672316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 672416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 672516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 672616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6727bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 672847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6730bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 673116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 673216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 673316ea139d53d867211d3bb0fa859a83de653f687ecristy q); 673416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 673516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 673616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 673716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6738bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 673947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 674216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 674316ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 674416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6745bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 674616ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 674916ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 675016ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 675116ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 67523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 675347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 67553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 675647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 67583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 675947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 676016ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 676116ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 67623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 67643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 67703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 67763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6778e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 67793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6780bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 67813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 678216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 678616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 678716ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 678847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6789bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6790bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 67913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 679216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 67937c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6794bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6795bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 679647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6797bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6798bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 679947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6800bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6801bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 680247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6803bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 68043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 680547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6807bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 680847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 68103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 68123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 681416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 681516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 681616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 681716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 68183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 681947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6823bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 682416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 682516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 682616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 682716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6828bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 682947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 683016ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 68313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 68323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 683416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 683516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 683616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6837bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 683816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6839bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 684016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 684116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 684216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6843bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 684416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6845bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 684616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 684716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 684816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6849bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 685016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 68518a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 685216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 685316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 685416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6855bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 685616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 685847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 68603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6863bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 686416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 686516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6866bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6868bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 686916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 687016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6871bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 687447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6879bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 688016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 688116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 688216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 688316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6884bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 688547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6887bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 688816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 688916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 689016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 689116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6892bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 689347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 689716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 689816ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 689916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6900bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 690116ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 690416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 690616ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 690847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69123faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 69143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6918bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 692147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 69233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 692416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 692516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 692616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 692716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 692816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 692916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 693016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 693116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 693216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 693447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 69533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 69643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 696847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 69763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6984bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6985bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 699147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 69933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 69953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 69963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 69973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 70003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 70013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 700347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 70093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 70103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 70133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 701416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 70163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 70173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 70262b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 70272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 702816ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 70292b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 70302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 70312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 70322b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 70332b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 70343faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 7035cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 7036cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 7037cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7038cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7039cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7040cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 704116ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 70428640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7044d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 7048bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7051d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 7055d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 705747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 705947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 706347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 70653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 70663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 70673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 70703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 70740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 707516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 708016ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 70813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 708547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 708947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 70933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 70973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 70983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 71018a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 71020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 710416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 71050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 71100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 71123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 71153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 712147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 712216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 712547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 71300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 713547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 713616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 71393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 714147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 71433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 71443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 714947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 715016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 71533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 715447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 716047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 716116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 716347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 71653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 716647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 71733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 71740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 71793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 71800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 718547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 71910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 71930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7196e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7197e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 71980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 720647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 720947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7211e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 721247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7217e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 723447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 723616ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 723747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 724047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 724347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 72473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 72493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 72503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 72513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 725247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 725547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 72573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 72593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 72603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 72613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 72623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 72653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 727247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 728247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 728547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7287e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7288e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 728947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7291f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7292f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 729347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7294f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7295e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7296e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7297f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7298f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 729947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 730347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 730647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 730925c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 73103ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 73133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 731447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 731747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 732047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 732525c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 73263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 73403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 73443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7348bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7351bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 73523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 73553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 73603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 73633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 736447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 73663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 737047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 737847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 73813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 738247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 73843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 73873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 739047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 73923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 739347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 73973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 739847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 740147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 740447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7405afc97b1e31b78c973c4bf5e0be8d5090cfca8065glennrp entry->mime_type=ConstantString("video/x-mng"); 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 74083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 741147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 741647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 7420d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 742247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 742547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 74273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 743047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 743547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 74393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 7440d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 74453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 744647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 74493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 745047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 74523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 74543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 74553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 745747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 746047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 746547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 7468fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 24-bit RGB"); 7469d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 747447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 747947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 7483d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7487fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG48"); 7488fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7489fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7490fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7491fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7492fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7493fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7494fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 7495fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7496fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 48-bit RGB"); 7497d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7498fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7499fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7500fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7501fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG64"); 7502fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7503fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7504fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7505fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7506fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7507fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7508fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 7509fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7510fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or transparent 64-bit RGBA"); 7511d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7512fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7513fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7514fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 75155830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry=SetMagickInfo("PNG00"); 75165830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75175830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 75185830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 75195830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 75205830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#endif 75215830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75225830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 75235830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->adjoin=MagickFalse; 75246270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp entry->description=ConstantString( 75256270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp "PNG inheriting bit-depth and color-type from original"); 7526d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 75275830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->module=ConstantString("PNG"); 75285830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) RegisterMagickInfo(entry); 75295830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 753147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 75333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 75343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 753847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 75427fee329aec1090ff832c1b07fc4cc70c3b604f65glennrp entry->mime_type=ConstantString("image/x-jng"); 75433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 75443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 754647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7547868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 75483d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy ping_semaphore=AcquireSemaphoreInfo(); 754918b17443128598500357da7bff2f01683cf32890cristy#endif 755047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 75603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 75673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 75733ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 75743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 75793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 7580fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG48"); 7581fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG64"); 75825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) UnregisterMagickInfo("PNG00"); 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 758447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7585868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 7586cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 75873d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy RelinquishSemaphoreInfo(&ping_semaphore); 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 759225c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 75993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 76033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 76063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 761116ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 761216ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 762016ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 76263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 76283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 76323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 76373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 76413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 76443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 76463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 76493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 76513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 76573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 76603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 76633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 76653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 76663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 76673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 76683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7670cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 76723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 76733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 76743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 76753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 76763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7677bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 76793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 76823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 76843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 76853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 76923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 76943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 76953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 76990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 77010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7702ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7703a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7704a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7705a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7706a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 77093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7710ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7711a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7712a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7713a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7714a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7715a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7716a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7717a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 77183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 77193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 77203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 77243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 77273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77293b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7730f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 77313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 773247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7733bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 77343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 77363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 774047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 77433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 77443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 77453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 77463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 774747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 77493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 775047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 77523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 77533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 77543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7756cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 77574383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 77583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 77593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 77603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 77613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 77633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 77643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 77673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 77693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 777147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 777247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 777347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 77743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 777547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 77773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7779cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 77803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 778147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 778247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 778347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 778447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 778547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 778647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7787cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7788cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7789cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 779047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 779147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 779247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 779347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 779447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 779547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 779647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7797cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 779847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 77993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 780047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 78013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 78023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 780347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 78043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 78053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 78063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7807fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 7808fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void write_tIME_chunk(Image *image,png_struct *ping,png_info *info, 7809fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char *date,ExceptionInfo *exception) 7810fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 7811fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk unsigned int 7812fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk day, 7813fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk hour, 7814fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk minute, 7815fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk month, 7816fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk second, 7817fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk year; 7818fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7819fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_time 7820fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime; 7821fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7822fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time_t 7823fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ttime; 7824fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7825fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (date != (const char *) NULL) 7826fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7827fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (sscanf(date,"%d-%d-%dT%d:%d:%dZ",&year,&month,&day,&hour,&minute, 7828fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk &second) != 6) 7829fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7830fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 7831fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk "Invalid date format specified for png:tIME","`%s'", 7832fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk image->filename); 7833fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk return; 7834fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7835fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.year=(png_uint_16) year; 7836fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.month=(png_byte) month; 7837fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.day=(png_byte) day; 7838fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.hour=(png_byte) hour; 7839fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.minute=(png_byte) minute; 7840fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.second=(png_byte) second; 7841fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7842fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 7843fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7844fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time(&ttime); 7845fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_convert_from_time_t(&ptime,ttime); 7846fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7847fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_set_tIME(ping,info,&ptime); 7848fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 7849fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 7850b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7851b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 78523ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 785316ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 78543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 78550997332e2c35a821b271d6e7473c01c10dc206adcristy char 78560997332e2c35a821b271d6e7473c01c10dc206adcristy im_vers[32], 78570997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_runv[32], 78580997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_vers[32], 78590997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_runv[32], 78600997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_vers[32]; 78610997332e2c35a821b271d6e7473c01c10dc206adcristy 786216ea139d53d867211d3bb0fa859a83de653f687ecristy Image 786316ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 786416ea139d53d867211d3bb0fa859a83de653f687ecristy 786516ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 786616ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 786716ea139d53d867211d3bb0fa859a83de653f687ecristy 78683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 78693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 78703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 78723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 78733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 78743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 78753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 78773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 78783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 78803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7881cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7882cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7883e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7884e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 78855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 788639992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 788739992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 78883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78895af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 78905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 78915af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 78925af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 78933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 78943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 78953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 78973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 78983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 79005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 79015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 79025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7903bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 79043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 79053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 790758e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 790821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 790958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 791058e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7911da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7912fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7913d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 79148d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 791539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7916991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7917918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP, 7918991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7919918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB, 7920991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 792126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 792226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 792326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7924a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7925e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 792626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 792726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 792826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 792926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 793026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 793126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 793226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7933fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME, 7934e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 793526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 793626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 793726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 793826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 79398d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 7940ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 79410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 79420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 794382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 79448ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7945d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7946d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 79473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79480997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 7949af1534a4abd2d6ef7f7e2833b95400301faff3d3cristy *volatile pixel_info; 79500997332e2c35a821b271d6e7473c01c10dc206adcristy 79513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 79523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 79533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 795416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 795516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 795616ea139d53d867211d3bb0fa859a83de653f687ecristy 7957bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 79583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 79593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 79603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79620997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 7963d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 79645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7965f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 79660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 79675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 79685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 79695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 79705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 79715af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 79725af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7973bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 79745af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 79755af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 79763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7977bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 79783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 79793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 79803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 79813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7982dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7983fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7984f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 79858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 79868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 79878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7988dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7989dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7990dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7991dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7992dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7993dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 79943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7995fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 79963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 799716ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 799816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 799916ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 800016ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 8001b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 8002d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 8003d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 8004d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 8005d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 8006d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 8007d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibVersionText,MaxTextExtent); 8008d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 8009d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibAddendum,MaxTextExtent); 8010ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 8011d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 8012d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 8013ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 8014ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 8015ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 8016ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 8017ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 8018d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 8019d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 8020ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 8021ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 8022ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 8023ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 8024ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 80258fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 8026d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 8027d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," IM version = %s", 8028d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp im_vers); 8029d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Libpng version = %s", 8030d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp libpng_vers); 8031ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 8032ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8033ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8034ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv); 8035ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8036d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 8037d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp zlib_vers); 8038ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 8039ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8040ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8041ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv); 8042ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8043d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 8044d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 80455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 80460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 80475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 80485af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 80495af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 80505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 80515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 80525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 80545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 80555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 80565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 80575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 80585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 80605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 80615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 80625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 80635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8064dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 8065dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 8066dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 8067dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8068da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 8069f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp ping_have_cheap_transparency=MagickFalse; 8070d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 80718d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 807239992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 8073991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 8074918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP=MagickFalse; 8075991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 8076918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB=MagickFalse; 8077991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 8078991d11dd9c33e65872778b81aff1347cd2878154glennrp 80790e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 80800e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 8081a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 8082dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 80830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 80840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 80850e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 80860e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 80870e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 80880e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 80890e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 8090fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME=mng_info->ping_exclude_tIME; 8091dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 80920e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 80930e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 80940e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 80950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80968d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 8097ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = mng_info->ping_preserve_iCCP; 80980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 80990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 81000d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 81010d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 81020d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 81030d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 81040d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 8105ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8106ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * To do: recognize other variants of the sRGB profile, using the CRC to 8107ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * verify all recognized variants including the 7 already known. 8108ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8109ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Work around libpng16+ rejecting some "known invalid sRGB profiles". 8110ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8111ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Use something other than image->rendering_intent to record the fact 8112ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * that the sRGB profile was found. 8113ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8114ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Record the ICC version (currently v2 or v4) of the incoming sRGB ICC 8115ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * profile. Record the Blackpoint Compensation, if any. 81160d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 8117ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_exclude_sRGB == MagickFalse && ping_preserve_iCCP == MagickFalse) 81180d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81190d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 81200d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 81210d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81220d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 81230d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 81240d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81250d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 81260d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 81270d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81280d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 81290d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81300d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 81310d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 81320d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 8133ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (LocaleCompare(name,"ICM") == 0)) 8134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 8135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8136ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 8137ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 8138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 81390d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81400d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8141ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 8142ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 8143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 814429a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8145ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 8146ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 81470d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8148ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 814929a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8150ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 815129a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 8152ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 8153ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8154ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 8155ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8156ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8157ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 8158ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 81590d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8160ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 8161ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 81620d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8163ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8164ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 8165ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 8166ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8167ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 8168ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 8169ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8170ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8171ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 8172ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 8173ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 8174ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 8175ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8176ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 8177ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 8178ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 8179ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8180ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_iCCP = MagickTrue; 8181ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_zCCP = MagickTrue; 8182ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_sRGB = MagickTrue; 8183ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 8184ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 818529a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81860d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 8187ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 818829a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8189ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 819029a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 819129a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 81940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81950d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81960d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 81988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 81998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 82008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8201fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8202fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8203fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 8204fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8205fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=UndefinedClass"); 8206fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 8207fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8208fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=DirectClass"); 8209fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 8210fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8211fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " storage_class=PseudoClass"); 8212fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 821328af3713c9111a471cc868c787760de89236fa3cglennrp 8214750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 82157e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 8216fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 8217fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->write_png_colortype != 1 && 8218fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype != 5))) 82197e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 822016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82217e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 82227e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 82237e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 8224c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 822528af3713c9111a471cc868c787760de89236fa3cglennrp { 8226c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 8227c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8228c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 8229c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8230c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8231c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 8232e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 8233c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 8234c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 823528af3713c9111a471cc868c787760de89236fa3cglennrp } 8236bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8237c28acd632b7ea1724a54191d15db932f2e4d25e6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 823816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 82390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82403241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 82413241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 82423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 82433241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 82443241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 824516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82463241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8247a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 8248a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 8249a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 8250a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 8251a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8252a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 8253a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8254a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 8255a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 8256a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 8257a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 82588e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 8259cd979955e4249aab3bdd79043718fa3b120239b8dirk if (image->depth < 4) 826067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 826116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 82628e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 82638e58efdecda887b08ef730d68290a61081ef2566glennrp 8264aac49630945ded4a68aca4f7c892e18b21afeba8dirk if (image->depth > 2) 82658e58efdecda887b08ef730d68290a61081ef2566glennrp { 82668e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 826791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 82688e58efdecda887b08ef730d68290a61081ef2566glennrp 82698e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82708e58efdecda887b08ef730d68290a61081ef2566glennrp { 827116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82728e58efdecda887b08ef730d68290a61081ef2566glennrp 827316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82748e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82758e58efdecda887b08ef730d68290a61081ef2566glennrp 82768e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82778e58efdecda887b08ef730d68290a61081ef2566glennrp { 827816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 827916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82808e58efdecda887b08ef730d68290a61081ef2566glennrp } 8281bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82828e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82838e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82848e58efdecda887b08ef730d68290a61081ef2566glennrp } 82858e58efdecda887b08ef730d68290a61081ef2566glennrp 82868e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82878e58efdecda887b08ef730d68290a61081ef2566glennrp { 82883e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82898e58efdecda887b08ef730d68290a61081ef2566glennrp { 829091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 82918e58efdecda887b08ef730d68290a61081ef2566glennrp } 82928e58efdecda887b08ef730d68290a61081ef2566glennrp } 82938e58efdecda887b08ef730d68290a61081ef2566glennrp } 82948e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 82958e58efdecda887b08ef730d68290a61081ef2566glennrp { 82968e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 829791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 82988e58efdecda887b08ef730d68290a61081ef2566glennrp 82998e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83008e58efdecda887b08ef730d68290a61081ef2566glennrp { 830116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83028e58efdecda887b08ef730d68290a61081ef2566glennrp 830316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83048e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83058e58efdecda887b08ef730d68290a61081ef2566glennrp 83068e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83078e58efdecda887b08ef730d68290a61081ef2566glennrp { 830816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 830916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83108e58efdecda887b08ef730d68290a61081ef2566glennrp } 8311bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83128e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83138e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83148e58efdecda887b08ef730d68290a61081ef2566glennrp } 83158e58efdecda887b08ef730d68290a61081ef2566glennrp 83168e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83178e58efdecda887b08ef730d68290a61081ef2566glennrp { 83183e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83198e58efdecda887b08ef730d68290a61081ef2566glennrp { 832091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 83218e58efdecda887b08ef730d68290a61081ef2566glennrp } 83228e58efdecda887b08ef730d68290a61081ef2566glennrp } 83238e58efdecda887b08ef730d68290a61081ef2566glennrp } 83248e58efdecda887b08ef730d68290a61081ef2566glennrp else 83258e58efdecda887b08ef730d68290a61081ef2566glennrp { 83268e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 832791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 83288e58efdecda887b08ef730d68290a61081ef2566glennrp 83298e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 83308e58efdecda887b08ef730d68290a61081ef2566glennrp { 833116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 83328e58efdecda887b08ef730d68290a61081ef2566glennrp 833316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 83348e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83358e58efdecda887b08ef730d68290a61081ef2566glennrp 83368e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83378e58efdecda887b08ef730d68290a61081ef2566glennrp { 833816ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 833916ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83408e58efdecda887b08ef730d68290a61081ef2566glennrp } 8341bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83428e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83438e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83448e58efdecda887b08ef730d68290a61081ef2566glennrp } 83458e58efdecda887b08ef730d68290a61081ef2566glennrp 83468e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83478e58efdecda887b08ef730d68290a61081ef2566glennrp { 83483e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83498e58efdecda887b08ef730d68290a61081ef2566glennrp { 835091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 83518e58efdecda887b08ef730d68290a61081ef2566glennrp } 83528e58efdecda887b08ef730d68290a61081ef2566glennrp } 83538e58efdecda887b08ef730d68290a61081ef2566glennrp } 8354cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8355cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 835667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 835767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 835870e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8359a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 83602b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 83612b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 83622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 83632b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 83648e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 83652b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 83662b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 83672b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83683faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8369cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8370cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8371cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8372cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8373cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8374cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8375c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 837616ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 83778640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 83788640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 83798640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8380d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp image_colors = (int) image->colors; 8381d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_opaque = (int) image->colors; 8382d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_transparent = 0; 8383d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_semitransparent = 0; 8384d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 8385197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype && 8386a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8387a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 8388a8036d6466b63ead629795b60772f160cca77c4cglennrp image->alpha_trait != BlendPixelTrait))) 8389a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8390a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8391a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8392a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8393a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8394a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8395a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8396a8036d6466b63ead629795b60772f160cca77c4cglennrp 8397a8036d6466b63ead629795b60772f160cca77c4cglennrp if (image->alpha_trait == BlendPixelTrait) 8398a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8399a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8400a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8401a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8402a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8403a8036d6466b63ead629795b60772f160cca77c4cglennrp 8404197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype < 7) 8405a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8406a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8407a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8408a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8409e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8410e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 84118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 84128ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 84138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 84148ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8415c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 841682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84178ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 841882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8419d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 842082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 84218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8422d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8423a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 84338a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8435d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8436d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8438d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8439d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8440d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8441d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84433c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8444d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8445d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 84468bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 844716ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 84518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 845216ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 845316ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8454d6bf1617e99df0272b231855a933a74e99b6578fglennrp 845516ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 845616ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8457fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8458fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8467d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84708a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 847103812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 84733c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8474fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 84757ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 84767ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8477d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 84788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 847916ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 84802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8481d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 84827ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8483d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8485d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8486d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8487d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8488d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 848916ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 84907ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 84912cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8492d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8493d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8495d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8498d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8499d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8500d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 850216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8504d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8505d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85062cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8507d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 850983c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8510d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 851116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 851216ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 85137ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 85148d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 85158d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 85168d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8517d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85187ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8519d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8520fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8521fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8522fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 85232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8524d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8525d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 85277ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 852816ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 853097fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8531d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8532d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 85338a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait || 853416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 85358d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8536d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 85378d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8538d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 854116ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8542d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8544d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8545d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854716ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8548d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8549d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8550d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 855116ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8552d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 855416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 855516ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8556d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85578d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85588d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 855916ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 85608d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 85628d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 856616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 856716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 856816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 856916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 857016ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 857116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 857216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8573972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8574d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8577d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8578d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 857916ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8580d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8581d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8582d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8583d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8585d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8586d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 858716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8588d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85898d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85908d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8592d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8593d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8594d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8595d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8596d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 859716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8598d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8599d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8601d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8602d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 860316ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 860416ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 860516ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8606d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8607d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8608d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8609d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8610d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8611d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8612d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 861316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8614d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8615d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 861716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8618d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8619d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86203c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 86214054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 86224054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8623d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8624d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8625d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8626d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8627c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8628c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8629c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8630c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8631c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8632c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8633c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8634c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8635d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8636d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8637ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8638ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8639ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8640ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8641d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8642d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 864303812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 86448e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8645c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8646388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8647c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8648c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8649c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8650c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8651c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8652c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 865303812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8654a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8655a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8656a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8657d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8659d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 86603241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8661d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8662d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8663d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8664d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8665d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 86663241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8667d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8668d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8669d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8670d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86713241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 86728d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 86738d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 86748d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8675fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8676d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8677d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 86780fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 86790fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 868045d4c34ce93ff377b9671844ffa1153b821061f6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 86810fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 868296bc620815234aaec28b928df51d1754cbe390dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 868396bc620815234aaec28b928df51d1754cbe390dcglennrp "incompatible colorspace"); 86847fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 868598b95773e388844e22c6e4006bb88396b33cf6b4glennrp ping_have_non_bw=MagickTrue; 86860fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 86870fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8688d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8689d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8690d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8691d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8692d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 86936185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 869416ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8695d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 86966185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8697e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8698e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8699e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 870016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 870116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8702e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8703e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8704e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8705e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8706e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 870716ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8708e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8709e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8710e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8711e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8712e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8713d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8714d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8715d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 87166185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8717d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8718d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8719d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8720d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 87216185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 872216ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 872316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8724d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8725d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8726e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8727d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 872816ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8729d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8730e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8731d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8732bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8733bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 87344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8735d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8736d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 873716ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8738d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8739bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8740d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8741d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8742d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8743d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8744d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8745d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8746d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8747d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8748d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8749d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8750d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 87513241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8752d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8753d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 87543241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8755d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8756d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8757d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8758d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8759d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8760d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8761c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8762c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8763bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8764d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8765d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8766d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8767d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8768d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8769d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8770d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8771d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8772d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8773d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8774d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8775d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8776d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8777d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8778d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8779d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8780d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8781d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8782d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8783d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8784d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8785d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 87863241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8787d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8788d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8789d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8790d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8791d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8792d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8793d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 87946185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8795d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8796d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8797d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8798d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 87992cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8800d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8801d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8802d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8803d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8804d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8805d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 880616ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8807d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 88083faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 88093faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8810d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8811d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8812d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8813d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8814d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8815d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8816d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8817d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8818d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8819bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8820d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8821d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8822d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8823d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8824fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8825fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8826d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8827d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 882816ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 88293c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 883016ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8831d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88323c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8833d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8834d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8835d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 883603812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 88378a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if ((image->alpha_trait != BlendPixelTrait || 883816ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 883916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 884016ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 884116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 88426185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 884316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8844d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88456185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 884603812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 884716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8848d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8849d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8850d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8851d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8852d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8853d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8854d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8855d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8856d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8857d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8858d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8859d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8860d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8861d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8862d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8863d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 886416ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 886583c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8866d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8867d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 886872988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8869d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8870d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8871d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8872d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8873d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8874d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8875d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 887616ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8877d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88786185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88796185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88803c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8881d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8882d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8883d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8884d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8885d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 88863c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8887d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8888d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 88893c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8890d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8891d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8892d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8893d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 889403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8895d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8896d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8897d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 88986185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8899d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8900d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8901d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8902d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 89036185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8904d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8905d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8906d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8907a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8908d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8909d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8910d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8911a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8912d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8913d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8914d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8915d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8916d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8917d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8918d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 89196185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 892003812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 892103812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8922d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 89233c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8924c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8925c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8926fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8927c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8928c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8929c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8930c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8931c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8932c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8933fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8934c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8935130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8936130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8937130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8938c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8939130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8940c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8941c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8942c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8943fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8944c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8945c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 894616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8947fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 894816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8949c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8950fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8951c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8952c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 895316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 89548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 895516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 895616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 89578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 89588ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 895916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 896016ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8961c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8962bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8963c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8964c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8965fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8966c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8967c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8968c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 896916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 897016ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 897116ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8972c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8973c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8974c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8975c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8976c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8977e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8978e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8979e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8980c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8981d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8982d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8983d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8984d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8985d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8986d337164012450d70d62e71cf4a308a29004f7d57glennrp 8987d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8988d337164012450d70d62e71cf4a308a29004f7d57glennrp 898991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8990d337164012450d70d62e71cf4a308a29004f7d57glennrp 8991d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8992d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8993d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8994d337164012450d70d62e71cf4a308a29004f7d57glennrp 8995d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8996d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8997d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8998d337164012450d70d62e71cf4a308a29004f7d57glennrp { 899916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9000d337164012450d70d62e71cf4a308a29004f7d57glennrp 900116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9002d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 9003d337164012450d70d62e71cf4a308a29004f7d57glennrp 9004d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 9005d337164012450d70d62e71cf4a308a29004f7d57glennrp { 900616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 900754cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 900816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9009d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9010bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9011d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9012d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 9013d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9014d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9015d337164012450d70d62e71cf4a308a29004f7d57glennrp 9016d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 9017d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 9018d337164012450d70d62e71cf4a308a29004f7d57glennrp { 9019d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 9020d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9021d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 90228e58efdecda887b08ef730d68290a61081ef2566glennrp 9023d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 9024d337164012450d70d62e71cf4a308a29004f7d57glennrp { 902591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 9026d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9027d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9028d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 9029d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9030d337164012450d70d62e71cf4a308a29004f7d57glennrp 903182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 903282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 903482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 903582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 903682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 903882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 904082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 904182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 904282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9043e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 904482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 904582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 904682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 904782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 904882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 904916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 905082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 905116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 905282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 905382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 905482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 905582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 905616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 905716ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 905816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 905982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9060bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 906182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 906282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 906382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 906482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 906582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 906682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 906782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 906882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 906982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 907082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9071e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 907282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 907382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 907491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 907582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9076d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9077d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 907882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9079c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9081c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9082c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9083c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9084c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 9085c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90868ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 90878ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 90883faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 90893faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 90903faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 90913faa9a3fb01696daaf976d595f492cb530bffb21glennrp 909291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 9093fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9094c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9095c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9096e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 9097fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9098c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 9099c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9100c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 9101c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 910216ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 91038d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 910416ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9105c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9106c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9107c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 9108c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 910916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 911054cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 911116ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9112c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9113bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9114c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9115c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9116c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9117c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9118c722dd852e8abe407c2846d39662f7ade9c234deglennrp 9119c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 9120c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 9121c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9122c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9123c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9124e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 9125c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 9126c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 912791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 9128c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9129c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9130c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9131c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 91328ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91338ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 91348ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 913534ef720923a27004960cbcf4d75a8075445e85d7glennrp /* Take care of special case with 256 opaque colors + 1 transparent 91368ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 91378ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 91388ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 91398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 914034ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 914134ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 914234ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red background colors to 3-3-2-1"); 914334ef720923a27004960cbcf4d75a8075445e85d7glennrp 91448ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 91458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 91468ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 91478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 91498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9150bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 915134ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 915234ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 915334ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red pixel colors to 3-3-2-1"); 915434ef720923a27004960cbcf4d75a8075445e85d7glennrp 91558ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 91568ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 91588ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 915916ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9160bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 916116ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 91628ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9163bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91648ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 91658ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 916616ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 916716ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 916816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 916916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 91708ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 917116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 91728ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 917316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 91748ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9175bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91768ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 91778ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9178bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91798ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91808ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91818ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91828ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 91838ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91848ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 91858ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91868ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 91878ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 91888ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 91898ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91908ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 91918ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91928ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91938ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91948ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9195fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9196a8036d6466b63ead629795b60772f160cca77c4cglennrp } 9197fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 9198fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9199fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 9200fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 9201fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 9202fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 92040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 92050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 9206d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 92070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92080e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 92090e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 92100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92110e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 92120e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 92130e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 92148d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 9215d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 92160e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 92170b206f5daa453dc1035db5890cabc899736dc2d0glennrp 92180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 92190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 9220fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 9221fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 9222fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 92235a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 92245a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 92255a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 9226fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 92275a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 92285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 9229fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9230fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 9231fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9232fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 9233fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9234fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9235fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 9236fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 9237fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 923816ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 9239fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 9240fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9241fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 9242fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9243fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 9244fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 924516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 9246fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9247fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9248fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 9249fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 925016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 925116ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 925216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 925316ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 925416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 925516ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 925616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 9257fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9258fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9259fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9260fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9261fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 926216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 9263fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9264bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9265fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9266fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9267fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9268fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9269fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9270fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 927167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 927267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 927367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 9274fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 927567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 927667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 927767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 927867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 9279fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 928067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 928167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 9282fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9283fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9284bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9285fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 9286fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9287fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9288fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9289fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 9290fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9291fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9292fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9293fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 9294fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9295fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9296fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9297fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9298fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 92993c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 93003c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 93013c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 93023c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 9303f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 9304b0a657e13c4aefba39c51292005427b47277869dcristy image_matte=image->alpha_trait == BlendPixelTrait ? MagickTrue : MagickFalse; 930583c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 930648c20621d4ce02a3833b107f710843d1e524d559glennrp if (mng_info->write_png_colortype < 5) 9307197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 9308197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp image_colors <= 256 && image->colormap != NULL; 9309197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp else 9310197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette = MagickFalse; 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 931252a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 931352a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 931452a479ca718756af72f96e127f8256499ab68f76glennrp { 931516ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 931616ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 931716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 931815e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 931916ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 932052a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 932152a479ca718756af72f96e127f8256499ab68f76glennrp } 932252a479ca718756af72f96e127f8256499ab68f76glennrp 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 93253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 932716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 932816ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 932916ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9330cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9331cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 93320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 933416ea139d53d867211d3bb0fa859a83de653f687ecristy ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9335cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 93360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 93393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 93420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 93443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 93463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 93500997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 93513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 93603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9362868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9363cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 93643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9365edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 93660997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 93670997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 9368edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9369edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9370edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9371edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 937216ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 937316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 937416ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 937516ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 93763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9378edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9379edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9380edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9381edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9382edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9383edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9384868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9385edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9386edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9387edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9388943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 9389a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 9390a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 9391a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 9392a3a5f956194e91458e2789966ad15308e8f3df47glennrp 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 93953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93969bf97b6c2143eb20c330346b01e82102cc082725glennrp 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 939925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 940125024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 940225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 940325024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 940425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 940525024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 940625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 940725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 94082b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 94103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 94113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 94132b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 94153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 94162b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 94182b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94194e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 94204e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 94212b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 94223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 94233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9425fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48 || mng_info->write_png64) 9426fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_depth=16; 9427fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 94293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 94300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 94323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 94340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 94363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 94393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 94400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9444e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 94453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9446e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 94473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94488a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 94493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94508640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 94513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94528640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 94533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94548640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 94565af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9457dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 945826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 94593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 946026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 946126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 946216ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 94643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9466dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9467dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 94683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 94703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9471dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9472823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 947316ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9474823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 947516ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 94763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9477dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 94783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 94793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9480dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 948116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 948216ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 94833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9484991d11dd9c33e65872778b81aff1347cd2878154glennrp 94853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9487dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 948816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 948916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 94903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9491991d11dd9c33e65872778b81aff1347cd2878154glennrp 9492823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9493823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9494823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9495823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9496823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9497991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 94983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 949926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9501a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 950226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 950326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9504a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 95053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9506a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9507a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9508a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9509a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9510a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9511a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 95120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9513a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9514a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 95150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9516a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9517a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 95180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9519a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9520a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 95210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9522a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9523a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 95240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9525a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9526a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 95270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9528a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9529a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9530c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9531c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 95320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95353b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 95363b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95373b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9538c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9539c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9540c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 95413b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 95423b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95433b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 95443b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 95450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 954726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 95513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 95540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95551273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 95563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9557fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 95580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 95590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 95618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 95628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 95630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 95660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 95680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9572f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 95730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 95750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 95760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 95770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 95780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 95790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 958167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 95820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 958367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 958467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 958567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 95860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 95873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95892b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 95918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 95928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 95935af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 959458e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 95958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 95980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 96008bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 96013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 96028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 96038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 96040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96062cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 96078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 96080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 96100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 96110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 96148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96161273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 96174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 96181273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 96191273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 96201273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 96211273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 96224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 96234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 96244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 96250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9627c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9628c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9629c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9630c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9631c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9632c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9633c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 96344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 96360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9637fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png_colortype == 1) 9638fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 9639fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_matte=MagickFalse; 9640fd164d2bf84b111e304959af5698757d60e9b8aeglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 9641fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 9642fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 9643fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png24 || mng_info->write_png48 || 9644fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 3) 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9650fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png32 || mng_info->write_png64 || 9651fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 7) 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 96623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 96640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 96665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 96673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 96717c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 96727c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 96737c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96747c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 96753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96777c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 96783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96813c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 96820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9683d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 96848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 96850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9686d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 96873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96885af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9692d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 96933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96945af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96985aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 96995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 97005aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 97015aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97027c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 9703261f64eea2c3a5a9586da65af2c59d2a39b05de0glennrp image_info->type == UndefinedType) 97043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97055aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 97068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 97075aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 97085aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97095aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 97105aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97115aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97130b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97145aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97155aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 97165aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97188bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 97195aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 97205aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97215aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 97225aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97235aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 97245aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 97255aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 97270b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 97285aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 97295aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 97305aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 97315aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97325aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 97330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97345aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 973826c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97398640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 974026c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 97415af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 97420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 97450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 97470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9749d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9750d6bf1617e99df0272b231855a933a74e99b6578fglennrp 97515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 97523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97538a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait != BlendPixelTrait && ping_have_non_bw == MagickFalse) 97548d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 97553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97568640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97575af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 97583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 975935ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 97605af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 97610f111984738842d27d04aed2a3f823d82a943506glennrp 97620f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 97630f111984738842d27d04aed2a3f823d82a943506glennrp { 97640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9765edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 97660f111984738842d27d04aed2a3f823d82a943506glennrp } 97670f111984738842d27d04aed2a3f823d82a943506glennrp 976835ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 97695af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9770d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9772d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9773d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9774d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9775d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 97760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9777d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9778d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9779d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9781d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9782d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 97833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97842cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97855af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 97862b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97901a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 97911a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 97921a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 97930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9795e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 97960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9798e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 97990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98013c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 98028640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 98038640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98048640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9805e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 98063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 980858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 98093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 98114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98127c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98137c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 98147c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 98152b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98167c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 98177c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 98187c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 98192b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 98214f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 98223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 98234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 98244f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 98264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 98274f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9828a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 98294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 98307c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 98317c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98327c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 98334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9838bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 98393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 98410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 98434f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 98440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 98464f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 98470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 98494f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 98500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98514f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 98524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 98530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 98554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 98560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 98584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 98590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 98614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 98620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98634f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 986416ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 98654f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 98660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 98680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 98704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9875fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9876fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9877fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9878fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9879fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 98804f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98812b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98834f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98847c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98857c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 98860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 98884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 98904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 98914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 98924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 98934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 98993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 99015af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 99025af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 99035af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99078640fb5e9b1094f35f8beab436f81661b8a99448glennrp 99083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 99090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99102e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 99113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 99120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 991339992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 99143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 99158d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 99168d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 991835ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 99190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 99219c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 99220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99237c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 99243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 99264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 99273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 99284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 99304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 99314f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 99324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 99334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 99354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 99393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 99400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9941136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9942d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9943f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 99440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 99465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 99470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 99515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99555af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 99560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 995735ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9958bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 99595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99622b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 99640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 99653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 99681a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 99693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 99723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 99733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9974bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 99803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 99833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 99854bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99882b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 99909c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 99910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 99939c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 99940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 99969c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 99973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99992b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 100005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 100013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 100063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1000717a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1000817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 100103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 100133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 100150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100163d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (!(mng_info->have_write_global_plte && matte == MagickFalse)) 100173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10018bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 100213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 100233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100253b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 100263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1002798156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 10028f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 100290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1003039992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 100313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 10034d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 100353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10036befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 10037befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 10038befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 100395af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 10040befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 100410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1004216ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 100435af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100465af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 100470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1004858e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 100490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 100500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 10051d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 10052d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 100530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 100543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10055d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 10056d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 100573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 100590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 100600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10061d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 100620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10063c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10064c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10065c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10066c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 10067c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10068d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 10069d6bf1617e99df0272b231855a933a74e99b6578fglennrp 10070d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 10071d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 10072750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 1007316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 10074d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 100750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10082c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 100833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 100843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 100850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 100873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 100924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100975af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 100985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 100995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 101005af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 101014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 101024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 101034f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 101044f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 101064f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 101074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 101084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 101094f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 101103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 101123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101134383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 101144383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 101152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 101163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 101183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 101203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 101213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 101223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 101243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1012535ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 1012635ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 1012735ef824baa82511126ff0072ae30eee0da9c05a3cristy 1012822ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 101293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 1013126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1013316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 1013416ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 1013516ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 1013616ea139d53d867211d3bb0fa859a83de653f687ecristy 101373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101388f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1013916ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 1014016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1014116ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 1014216ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 101433b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 10144991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 1014526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101473e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101483e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101493e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 101503e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 101513e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101529be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 101533e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 101543e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101553e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101563e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101573e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 101583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1015917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1016026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1016126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101621273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 1016317a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 1016417a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 1016517a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 1016617a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 1016717a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1016817a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1016917a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10170a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 10171a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 1017217a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 1017317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1017417a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 1017517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101763b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 101800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10181a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1018213d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 10183a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 101840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 101853b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 101900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 101910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 101920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 101930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10194a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 1019517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10196d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 101973c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 101983b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101993b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 102013c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 102023c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 1020317a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 1020426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1020517a1485544c62993fc7a94e343c87fed5f3e6407glennrp 102063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102081a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 102091a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 102103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 102113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 102123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 102133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 102150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 102170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 102200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 102210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 102230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 102253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 102270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102284054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 102294054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 1023010d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 1023110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023210d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 1023310d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 1023410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 1023610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10237ef804f5802b3d6517d516556b64fccc5843710b6glennrp 0 or omitted: Use Z_HUFFMAN_ONLY strategy with the 1023810d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 1023910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 1024110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 1024310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 1024510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1024610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 1024710d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 1024810d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 10249750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 1025010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 1025110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1025210d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 1025385dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp a MNG, otherwise "none". Did not work in IM-6.7.0-9 1025410d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 1025510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1025685dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp 8: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), adaptive 1025785dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp filtering. Unused prior to IM-6.7.0-10, was same as 6 1025810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10259ef804f5802b3d6517d516556b64fccc5843710b6glennrp 9: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), no PNG filters 102601868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 1026110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1026210d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 1026310d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 1026416ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 1026516ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 1026610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1026710d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 1026810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1026929dd80efe8d7489d5f689a8a723454e684f92a8fdirk quality=image_info->quality == UndefinedCompressionQuality ? 75UL : 1027029dd80efe8d7489d5f689a8a723454e684f92a8fdirk image_info->quality; 102710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102721868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 102731868258559ddf946fa73ef72dd43507b32623705glennrp { 102741868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102751868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 102761868258559ddf946fa73ef72dd43507b32623705glennrp } 10277750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 102781868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 102793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 102813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 102823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10283bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 102840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102851868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 102861868258559ddf946fa73ef72dd43507b32623705glennrp } 102870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102881868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102891868258559ddf946fa73ef72dd43507b32623705glennrp { 102901868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 10291a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 10292a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 10293a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 10294a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 10295a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 102963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102981868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 102991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 103001868258559ddf946fa73ef72dd43507b32623705glennrp 103011868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 103023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 103031868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 103043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103051868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 103061868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 103070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103081868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 103091868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103101868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 103111868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 103120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103131868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103141868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 103153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 103164054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 1031710d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103181868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 103194054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 103204054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 103211868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103221868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 103231868258559ddf946fa73ef72dd43507b32623705glennrp else 103241868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 103251868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 103261868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 103273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 103280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103291868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 103301868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 103310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103321868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 103331868258559ddf946fa73ef72dd43507b32623705glennrp { 103341868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 103351868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 103361868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 103371868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103381868258559ddf946fa73ef72dd43507b32623705glennrp else 103391868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 103401868258559ddf946fa73ef72dd43507b32623705glennrp } 103414054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 103421868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 103431868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1034410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 103451868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 103461868258559ddf946fa73ef72dd43507b32623705glennrp { 103471868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 103481868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 103491868258559ddf946fa73ef72dd43507b32623705glennrp { 103501868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 103511868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 103521868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 103531868258559ddf946fa73ef72dd43507b32623705glennrp } 103541868258559ddf946fa73ef72dd43507b32623705glennrp#endif 103554054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103561868258559ddf946fa73ef72dd43507b32623705glennrp } 103570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103581868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 103591868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103611868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 103621868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 103631868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 103640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103651868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 103661868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 103671868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 103682b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10369dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method=image_info->interlace != NoInterlace; 10370dec72c9b492c176af9813be3105518e91835ed37glennrp 10371dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_mng) 10372dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_sig_bytes(ping,8); 10373dec72c9b492c176af9813be3105518e91835ed37glennrp 10374dec72c9b492c176af9813be3105518e91835ed37glennrp /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 10375dec72c9b492c176af9813be3105518e91835ed37glennrp 10376dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype != 0) 10377dec72c9b492c176af9813be3105518e91835ed37glennrp { 10378dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 10379dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10380dec72c9b492c176af9813be3105518e91835ed37glennrp { 10381dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB; 10382dec72c9b492c176af9813be3105518e91835ed37glennrp 10383dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_bit_depth < 8) 10384dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth=8; 10385dec72c9b492c176af9813be3105518e91835ed37glennrp } 10386dec72c9b492c176af9813be3105518e91835ed37glennrp 10387dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 10388dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10389dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10390dec72c9b492c176af9813be3105518e91835ed37glennrp } 10391dec72c9b492c176af9813be3105518e91835ed37glennrp 10392dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse || 10393dec72c9b492c176af9813be3105518e91835ed37glennrp ((mng_info->write_png_depth && 10394dec72c9b492c176af9813be3105518e91835ed37glennrp (int) mng_info->write_png_depth != ping_bit_depth) || 10395dec72c9b492c176af9813be3105518e91835ed37glennrp (mng_info->write_png_colortype && 10396dec72c9b492c176af9813be3105518e91835ed37glennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10397dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype != 7 && 10398dec72c9b492c176af9813be3105518e91835ed37glennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 10399dec72c9b492c176af9813be3105518e91835ed37glennrp { 10400dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10401dec72c9b492c176af9813be3105518e91835ed37glennrp { 10402dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse) 10403dec72c9b492c176af9813be3105518e91835ed37glennrp { 10404dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10405dec72c9b492c176af9813be3105518e91835ed37glennrp " Image has transparency but tRNS chunk was excluded"); 10406dec72c9b492c176af9813be3105518e91835ed37glennrp } 10407dec72c9b492c176af9813be3105518e91835ed37glennrp 10408dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_depth) 10409dec72c9b492c176af9813be3105518e91835ed37glennrp { 10410dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10411dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:bit-depth=%u, Computed depth=%u", 10412dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_depth, 10413dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth); 10414dec72c9b492c176af9813be3105518e91835ed37glennrp } 10415dec72c9b492c176af9813be3105518e91835ed37glennrp 10416dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype) 10417dec72c9b492c176af9813be3105518e91835ed37glennrp { 10418dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10419dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:color-type=%u, Computed color type=%u", 10420dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype-1, 10421dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type); 10422dec72c9b492c176af9813be3105518e91835ed37glennrp } 10423dec72c9b492c176af9813be3105518e91835ed37glennrp } 10424dec72c9b492c176af9813be3105518e91835ed37glennrp 10425dec72c9b492c176af9813be3105518e91835ed37glennrp png_warning(ping, 10426dec72c9b492c176af9813be3105518e91835ed37glennrp "Cannot write image with defined png:bit-depth or png:color-type."); 10427dec72c9b492c176af9813be3105518e91835ed37glennrp } 10428dec72c9b492c176af9813be3105518e91835ed37glennrp 10429dec72c9b492c176af9813be3105518e91835ed37glennrp if (image_matte != MagickFalse && image->alpha_trait != BlendPixelTrait) 10430dec72c9b492c176af9813be3105518e91835ed37glennrp { 10431dec72c9b492c176af9813be3105518e91835ed37glennrp /* Add an opaque matte channel */ 10432dec72c9b492c176af9813be3105518e91835ed37glennrp image->alpha_trait = BlendPixelTrait; 10433dec72c9b492c176af9813be3105518e91835ed37glennrp (void) SetImageAlpha(image,OpaqueAlpha,exception); 10434dec72c9b492c176af9813be3105518e91835ed37glennrp 10435dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10436dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10437dec72c9b492c176af9813be3105518e91835ed37glennrp " Added an opaque matte channel"); 10438dec72c9b492c176af9813be3105518e91835ed37glennrp } 10439dec72c9b492c176af9813be3105518e91835ed37glennrp 10440dec72c9b492c176af9813be3105518e91835ed37glennrp if (number_transparent != 0 || number_semitransparent != 0) 10441dec72c9b492c176af9813be3105518e91835ed37glennrp { 10442dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type < 4) 10443dec72c9b492c176af9813be3105518e91835ed37glennrp { 10444dec72c9b492c176af9813be3105518e91835ed37glennrp ping_have_tRNS=MagickTrue; 10445dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10446dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10447dec72c9b492c176af9813be3105518e91835ed37glennrp " Setting ping_have_tRNS=MagickTrue."); 10448dec72c9b492c176af9813be3105518e91835ed37glennrp } 10449dec72c9b492c176af9813be3105518e91835ed37glennrp } 10450dec72c9b492c176af9813be3105518e91835ed37glennrp 10451dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10452dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10453dec72c9b492c176af9813be3105518e91835ed37glennrp " Writing PNG header chunks"); 10454dec72c9b492c176af9813be3105518e91835ed37glennrp 10455dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 10456dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth,ping_color_type, 10457dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method,ping_compression_method, 10458dec72c9b492c176af9813be3105518e91835ed37glennrp ping_filter_method); 10459dec72c9b492c176af9813be3105518e91835ed37glennrp 10460dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 10461dec72c9b492c176af9813be3105518e91835ed37glennrp { 10462dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 10463dec72c9b492c176af9813be3105518e91835ed37glennrp 10464dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10465dec72c9b492c176af9813be3105518e91835ed37glennrp { 10466dec72c9b492c176af9813be3105518e91835ed37glennrp for (i=0; i< (ssize_t) number_colors; i++) 10467dec72c9b492c176af9813be3105518e91835ed37glennrp { 10468dec72c9b492c176af9813be3105518e91835ed37glennrp if (i < ping_num_trans) 10469dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10470dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10471dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10472dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10473dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10474dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue, 10475dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10476dec72c9b492c176af9813be3105518e91835ed37glennrp (int) ping_trans_alpha[i]); 10477dec72c9b492c176af9813be3105518e91835ed37glennrp else 10478dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10479dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d)", 10480dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10481dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10482dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10483dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue); 10484dec72c9b492c176af9813be3105518e91835ed37glennrp } 10485dec72c9b492c176af9813be3105518e91835ed37glennrp } 10486dec72c9b492c176af9813be3105518e91835ed37glennrp } 10487dec72c9b492c176af9813be3105518e91835ed37glennrp 104880d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 104890d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 104903d627862fb79aad8a20be4f1587f0b8761db441aglennrp (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 104910d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 104920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 104930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 104940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10495c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10496c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10497c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 104983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10499c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 105000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10501c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10502c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10503c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10504c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10505c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1050626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10507c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10509c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up iCCP chunk"); 10512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 1051316ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10514e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10515c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10516e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10517e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10518e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10519c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10520918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP = MagickTrue; 10521c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1052226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10524c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 105253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10526c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10527c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10528ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up zTXT chunk with uuencoded ICC"); 10530cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10531c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10532c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10533c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10534ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP = MagickTrue; 10535c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10536c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105370b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10538c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10539c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10540c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 105410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10542c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10543c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105440d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 10549ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP != MagickTrue && 10550ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (ping_have_sRGB != MagickFalse || 10551ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1055326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1055426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1055526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1055626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1055726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1055826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1055926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1056026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 105610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1056226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10563cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10564cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 10565918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp 10566918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB = MagickTrue; 1056726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1056926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 105705af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105732cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 10574918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP == MagickFalse && 10575918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB == MagickFalse && 105762cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1057726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1057826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 105793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 105803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 105833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 105843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 105883b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 105893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 105903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1059126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105922b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10593918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp if (ping_exclude_cHRM == MagickFalse && ping_have_sRGB == MagickFalse) 105943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1059526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1059626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1059726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1059826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1059926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 10600918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp Note: if cHRM+gAMA == sRGB write sRGB instead. 1060126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1060226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1060326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1060426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1060526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1060626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1060726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1060826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1060926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1061026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1061126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1061226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1061326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1061426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1061526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1061626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1061726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1061826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1061926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1062026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 106213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10622dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1062326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1062426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1062526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10626c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1062726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 106288fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10629c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10630c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10631c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10632c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10633c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10634c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10635c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10636c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10637c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10638c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10639c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10640c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10641c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10642c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1064326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10644991d11dd9c33e65872778b81aff1347cd2878154glennrp 1064526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10646dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1064726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1064826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1064926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1065026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1065126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1065226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10653823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 106548fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10655823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10656823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10657823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10658823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10659823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10660823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10661823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10662823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10663823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10664823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10665823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10666823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10667823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1066826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10669dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10670dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10671dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 106724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10673dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1067426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1067526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1067626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1067726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10678dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1067926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1068026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1068126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1068226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1068326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10684dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10685dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10686dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10687fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 10688fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (ping_exclude_tIME == MagickFalse) 10689fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10690fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char 10691fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk *timestamp; 10692fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 10693fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageOption(image_info,"png:tIME"); 10694fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (timestamp != (const char *) NULL) 10695fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10696fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 10697fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10698fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (image->taint == MagickFalse) 10699fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageProperty(image,"png:tIME",exception); 10700fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10701fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10702fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10703fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 10704fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 10705da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10706da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1070716ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10708da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10709da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10710da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10711da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10712da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10713da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10715991d11dd9c33e65872778b81aff1347cd2878154glennrp 1071639992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10717991d11dd9c33e65872778b81aff1347cd2878154glennrp { 107183b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 107210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 107220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10723991d11dd9c33e65872778b81aff1347cd2878154glennrp 107240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 107250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 107270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 107280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10729991d11dd9c33e65872778b81aff1347cd2878154glennrp 107300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 107310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 107340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 107350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 107360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107373b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10740c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 107410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 107420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 107430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 107440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10747991d11dd9c33e65872778b81aff1347cd2878154glennrp 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10749cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10750da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10752991d11dd9c33e65872778b81aff1347cd2878154glennrp 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10754cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1075626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 107594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1076026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1076126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1076226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1076326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1076426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1076526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1076603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1076726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1076826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1076926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1077026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1077126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1077226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 107733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 107769c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 107773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 107789c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 107803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 107833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 107853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10787b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10788b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 107897202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 107903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10791b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 107923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10793b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10795b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10796b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10797b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10799b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10801b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10803b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10804b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108063b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 108073b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 108083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10809b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10810b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 108110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10812b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10813e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 108143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108150997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(rowbytes,sizeof(*ping_pixels)); 108160997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 10817edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 108180997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 108190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10823ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy quantum_info=AcquireQuantumInfo(image_info,image); 10824ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10825edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 108263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 108273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 108284b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 108293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 108308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 108313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 10832fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 108338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 108348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 108368d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 108378d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1084016ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 108443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 108483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10849bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10851d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 108523b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10854a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1085516ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 108560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1085716ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 108613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1086216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1086316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 108643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 108653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 108663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 108673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10869bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10870cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1087716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1087816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 108793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10882bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10883cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 108843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 108850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108863b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10887b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10888b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 108890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10890cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 108913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 108933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 108953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 108963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 10904fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 10905fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png32) && (image_matte != MagickFalse || 10906fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 10907fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 109083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1090916ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109148bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10915bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 109163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1091716ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 109182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1091916ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 109212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 109248bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1092516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1092616ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1092916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1093016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109312cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 109353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10938b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 109393b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10940b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 109422cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1094316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1094416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10945b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 109462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109473b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10948b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 109502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10951cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 109523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 109558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 109578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 109588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 109598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1096516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10970fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if ((image_depth > 8) || 10971fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || 109728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 10973fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || 10974fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 || 10975fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 109768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10978b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10979862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 109802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1098116ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109828bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 109832cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109858bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1098716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109892cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1099116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1099216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109942cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109958bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 109968bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1099716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10998cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1099916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110028bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110038bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 110048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1100716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1100816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 110092cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1101116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1101216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 110132cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110143b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 11015b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 110172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11018cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 11019b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 110208bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 11023fd164d2bf84b111e304959af5698757d60e9b8aeglennrp /* not ((image_depth > 8) || 11024fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || mng_info->write_png32 || 11025fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 11026fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 11027fd164d2bf84b111e304959af5698757d60e9b8aeglennrp */ 110288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110298bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 110308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 110318bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 110338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 110352cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110368bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 110378bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 110388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 110418640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 110428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110448bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 110452cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104616ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 110472cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104816ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 110498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110502cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110518bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1105244757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 110534bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 110544bf89731a90c6e03598950223e19e7be7b95d630glennrp 1105516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1105616ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1105744757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 110582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 110608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 110642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1106516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11066cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1106716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110692cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 110718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1107216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1107316ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 110742cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110755eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 110765eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 110775eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110781a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 110795eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 110805eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110815eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 110825eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 110835eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 110848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 11085cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 110868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110878bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->previous == (Image *) NULL) 110908bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 110928bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 110938bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110948640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110978bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 11099b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 11100b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11105b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 111060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11108e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 111090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11111e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 111120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111165d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 111173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 111210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 111233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111255d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 111263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 111300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 111333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11135a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 111363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11137823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 111383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1113926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1114026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1114126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1114226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1114326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1114426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 111452cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1114616ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 11147a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11148e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp /* Don't write any "png:" or "jpeg:" properties; those are just for 11149e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp * "identify" or for passing through to another JPEG 11150e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp */ 11151e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp if ((LocaleNCompare(property,"png:",4) != 0 && 11152a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp LocaleNCompare(property,"jpeg:",5) != 0) && 11153e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp 11154a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11155a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 11156a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 11157823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 11158a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 11159a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11160a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 11161a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 11162a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1116326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11164c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 11165c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11166a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 11167ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 11168a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 11169a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 11170a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 11171a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 11172a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 11173c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 11174c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 11175c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 111762cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11177c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 11178c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 111792cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11180c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 11181c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 111822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11183c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1118426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11185c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 11186c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 11187c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 11188c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1118926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 111902cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11191c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 11192c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11193c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11194c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 11195c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11196c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11197cbc9215c23fce410bf0bea825dee908c15271bb3glennrp " keyword: '%s'",text[0].key); 11198c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 11199c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11200c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 11201c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 11202c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1120326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1120426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1120526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 11209cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 112140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 112160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 112205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 112215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1123103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 112353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 112403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 112425af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 112433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 112455af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 112463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 112473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 112483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 112493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 112503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 112543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 112563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 11257edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 112580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 112613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 112633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 112643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112650997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 112663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1126716ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1126816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1126916ea139d53d867211d3bb0fa859a83de653f687ecristy 1127016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1127116ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1127216ea139d53d867211d3bb0fa859a83de653f687ecristy 11273b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 11274b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 11275b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 11276b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1127716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 11278b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 112820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11283868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 11284edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 11285edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 11286edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 11287edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 11288edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 11289edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 11290edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 112923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 11293edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 113023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 113093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 113113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 113133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1131416ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1131516ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 113163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 113183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 113203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 113223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1132316ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1132416ea139d53d867211d3bb0fa859a83de653f687ecristy% 113253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 113283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 113303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 113315d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 113323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113335a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 113345a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 113353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 113363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 113375a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 113385a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 11339e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 11340130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 11341130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 11342130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 11343e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 11344e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 11345e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 113465a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 113475a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 113483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 113495a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 113505a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 113515a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 113523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 113543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 113555a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 113565a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 113575a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 113585a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 113595a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 113603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 113623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 113640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 113655a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 113665a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 113673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11368fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG48: A 16-bit per sample RGB PNG datastream is written. The tRNS 11369fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% chunk can be present to convey binary transparency by naming 11370fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% one of the colors as transparent. If the image has more 11371fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% than one transparent color, has semitransparent pixels, or 11372fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% has an opaque pixel with the same RGB components as the 11373fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparent color, an image is not written. 11374fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 11375fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG64: A 16-bit per sample RGBA PNG is written. Partial 11376fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparency is permitted, i.e., the alpha sample for 11377fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% each pixel can have any value from 0 to 65535. The alpha 11378fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% channel is present even if the image is fully opaque. 11379fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 113805830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% o PNG00: A PNG that inherits its colortype and bit-depth from the input 113815830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% image, if the input was a PNG, is written. If these values 113825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% cannot be found, then "PNG00" falls back to the regular "PNG" 113835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% format. 113845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% 113853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 113863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 113873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11388bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11389bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11390bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 113953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 114033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 114043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 114063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 114073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11408fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% If the image cannot be written without loss with the 11409fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% requested bit-depth and color-type, a PNG file will not 11410fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% be written, a warning will be issued, and the encoder will 11411fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% return MagickFalse. 114125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 114133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 114165a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1141716ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 114183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 114203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 114213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 114223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 114243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 114253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 114263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 114273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 114293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 114313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11432bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11433bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 114343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 114363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 114373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11438bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 114393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11440bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 114413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114423241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 114430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11444d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 114450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 114460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 114470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11448cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 114490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11450d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11451d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 114525d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11453d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11454d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11455d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11456d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 114570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 114603ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1146116ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1146421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1146521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1146621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 114683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 114703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 114713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 114733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 114743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 114765c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 114775c7cf4e469a4dad7e277783749155932252c52dfglennrp 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 114823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11486fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 114873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1149173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 114920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 114943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 114950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 114983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 115003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11501a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 115023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 115033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 115053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 115073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 115083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 11509fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48=LocaleCompare(image_info->magick,"PNG48") == 0; 11510fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64=LocaleCompare(image_info->magick,"PNG64") == 0; 115113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11512092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:format"); 115135a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value == (char *) NULL) 115145a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (LocaleCompare(image_info->magick,"PNG00") == 0) 11515b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 115165a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value != (char *) NULL || LocaleCompare(image_info->magick,"PNG00") == 0) 11517b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11518f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11519f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " Format=%s",value); 11520f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11521fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png8 = MagickFalse; 11522fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 = MagickFalse; 11523fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png32 = MagickFalse; 11524fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickFalse; 11525fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickFalse; 11526fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11527b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11528b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11529b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11530b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11531b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11532b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11533b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11534b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11535fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11536fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png48") == 0) 11537fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickTrue; 11538fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11539fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png64") == 0) 11540fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickTrue; 115415830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115425a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if ((LocaleCompare(value,"png00") == 0) || 115435a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp LocaleCompare(image_info->magick,"PNG00") == 0) 115445830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 115453398b5b62521b49754d9391aae9e4511857bd63bglennrp /* Retrieve png:IHDR.bit-depth-orig and png:IHDR.color-type-orig. */ 115463398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.bit-depth-orig",exception); 11547f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11548f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11549f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11550f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11551f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited bit depth=%s",value); 11552f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11553f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"1") == 0) 11554f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 1; 11555f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115565a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"2") == 0) 11557f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 2; 11558f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115595a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"4") == 0) 11560f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 4; 11561f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11562f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"8") == 0) 11563f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 8; 11564f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11565f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"16") == 0) 11566f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 16; 11567f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 11568f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115693398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.color-type-orig",exception); 11570f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11571f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11572f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11573f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11574f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited color type=%s",value); 11575f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11576f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"0") == 0) 11577f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 1; 11578f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11579f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"2") == 0) 11580f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 3; 11581f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11582f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"3") == 0) 11583f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 4; 11584f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11585f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"4") == 0) 11586f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 5; 11587f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11588f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"6") == 0) 11589f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 7; 11590f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 115915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115925830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115935830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115969c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 115979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115989c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 116023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116039c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 116049c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116059c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 116060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116078a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 1160816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 116090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116109c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1161116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 116120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1161316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 116173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116189c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 116199c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116209c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 1162147da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 116220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11623197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 1162416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11627fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48) 11628fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11629fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 2 */ 3; 11630fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11631fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 11632fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 116334dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp if (image->alpha_trait == BlendPixelTrait) 116344dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 11635fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11636fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else 116374dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorType,exception); 11638fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 116394dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11640fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11641fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11642fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png64) 11643fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11644fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 6 */ 7; 11645fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11646fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 1164747da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 11648fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11649197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 116504dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11651fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11652fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11653092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:bit-depth"); 116548bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 116553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 116589c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 116590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116619c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 116620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116649c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 116650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 116679c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 116709c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 116710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11672bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1167316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11674bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11675bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11676bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11677bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 116783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116799c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11680bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 116813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11683092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:color-type"); 116840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 116883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 116899c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 116900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1169116ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1169216ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1169316ea139d53d867211d3bb0fa859a83de653f687ecristy 116943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116959c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 116960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 116989c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 116990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 117019c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 117020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 117033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 117049c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 117050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11706bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1170716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11708bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11709bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11710bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11711bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 117123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 117139c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11714d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 117153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 117163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 117170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 117180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117190dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 117200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 117210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117225d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 117230e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 117240e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 117250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 117260e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 117270e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117280e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 117290e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117305d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 117315d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 117320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 117330dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 117340dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 117350dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11736aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11737aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11738aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 117390e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117400e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 117410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 117420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 117430e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117440e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 117450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 117460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 117470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 117490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 117500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11752104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 117530e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 117540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1175526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1175626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11757a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1175826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1175926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1176026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1176126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1176226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1176326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1176426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1176526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11766fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=MagickFalse; 11767a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1176826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1176926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1177026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1177126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 117728d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 117738d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11774092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:preserve-colormap"); 117758d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 117768b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:preserve-colormap"); 117778d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 117788d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 117798d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11780ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickFalse; 11781ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11782ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 11783ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value == NULL) 11784ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 11785ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value != NULL) 11786ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickTrue; 11787ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11788ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* These compression-level, compression-strategy, and compression-filter 117891868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 117901868258559ddf946fa73ef72dd43507b32623705glennrp */ 11791092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-level"); 117921868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 117938b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-level"); 117941868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 117951868258559ddf946fa73ef72dd43507b32623705glennrp { 117961868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 117971868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 117981868258559ddf946fa73ef72dd43507b32623705glennrp */ 117991868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118001868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 118011868258559ddf946fa73ef72dd43507b32623705glennrp 118020ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 118031868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 118041868258559ddf946fa73ef72dd43507b32623705glennrp 118051868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118061868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 118071868258559ddf946fa73ef72dd43507b32623705glennrp 118081868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118091868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 118101868258559ddf946fa73ef72dd43507b32623705glennrp 118111868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118121868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 118131868258559ddf946fa73ef72dd43507b32623705glennrp 118141868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118151868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 118161868258559ddf946fa73ef72dd43507b32623705glennrp 118171868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 118181868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 118191868258559ddf946fa73ef72dd43507b32623705glennrp 118201868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 118211868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 118221868258559ddf946fa73ef72dd43507b32623705glennrp 118231868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 118241868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 118251868258559ddf946fa73ef72dd43507b32623705glennrp 118261868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 118271868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 118281868258559ddf946fa73ef72dd43507b32623705glennrp 118291868258559ddf946fa73ef72dd43507b32623705glennrp else 1183016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118311868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118321868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 118331868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118341868258559ddf946fa73ef72dd43507b32623705glennrp } 118351868258559ddf946fa73ef72dd43507b32623705glennrp 11836092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-strategy"); 118371868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118388b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-strategy"); 118391868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118401868258559ddf946fa73ef72dd43507b32623705glennrp { 118411868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118421868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 118431868258559ddf946fa73ef72dd43507b32623705glennrp 118441868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 118451868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 118461868258559ddf946fa73ef72dd43507b32623705glennrp 118471868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118481868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 118491868258559ddf946fa73ef72dd43507b32623705glennrp 118501868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1185198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 118521868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1185398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1185498c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1185598c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118561868258559ddf946fa73ef72dd43507b32623705glennrp 118571868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1185898c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 118591868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1186098c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1186198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1186298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118631868258559ddf946fa73ef72dd43507b32623705glennrp 118641868258559ddf946fa73ef72dd43507b32623705glennrp else 1186516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118661868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118671868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 118681868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118691868258559ddf946fa73ef72dd43507b32623705glennrp } 118701868258559ddf946fa73ef72dd43507b32623705glennrp 11871092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-filter"); 118721868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118738b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-filter"); 118741868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118751868258559ddf946fa73ef72dd43507b32623705glennrp { 118761868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 118771868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 118781868258559ddf946fa73ef72dd43507b32623705glennrp * 118791868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 118801868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 118811868258559ddf946fa73ef72dd43507b32623705glennrp */ 118821868258559ddf946fa73ef72dd43507b32623705glennrp 118831868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118841868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 118851868258559ddf946fa73ef72dd43507b32623705glennrp 11886b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 118871868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 118881868258559ddf946fa73ef72dd43507b32623705glennrp 118891868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118901868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 118911868258559ddf946fa73ef72dd43507b32623705glennrp 118921868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118931868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 118941868258559ddf946fa73ef72dd43507b32623705glennrp 118951868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118961868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 118971868258559ddf946fa73ef72dd43507b32623705glennrp 118981868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 119001868258559ddf946fa73ef72dd43507b32623705glennrp 119011868258559ddf946fa73ef72dd43507b32623705glennrp else 1190216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 119031868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 119041868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 119051868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 119061a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1190703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119081a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp for (source=0; source<8; source++) 119095c7cf4e469a4dad7e277783749155932252c52dfglennrp { 119101a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp value = NULL; 11911acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 119122dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 0) 119132dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunks"); 119142dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119152dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 1) 119162dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunks"); 119172dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119182dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 2) 119192dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 119202dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119212dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 3) 119222dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 119232dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119242dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 4) 119252dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunks"); 119262dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119272dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 5) 119282dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunks"); 119292dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119302dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 6) 119312dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunk"); 119322dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119332dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 7) 119342dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunk"); 1193526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 119361a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (value == NULL) 119371a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp continue; 119381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp 119391a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source < 4) 119401a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickTrue; 119411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else 119421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickFalse; 1194326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1194403812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 119452cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 119461a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source == 0 || source == 2) 119471a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119481a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:exclude-chunk=%s found in image options.\n", value); 119491a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 1 || source == 3) 119502cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119512cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 119521a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 4 || source == 6) 119532cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119541a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image options.\n", value); 119551a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else /* if (source == 5 || source == 7) */ 119561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119571a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image artifacts.\n", value); 119582cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1195903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119601a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (IsOptionMember("all",value) != MagickFalse) 119611a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 119621a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 119631a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 119641a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 119651a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 119661a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 119671a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 119681a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=excluding; */ 119691a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 119701a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 119711a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 119721a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 11973fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 119741a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 119751a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 119761a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 119771a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 119781a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 11979280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp 11980689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("none",value) != MagickFalse) 119811a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 11982a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_bKGD=excluding != MagickFalse ? MagickFalse : 11983a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11984a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_cHRM=excluding != MagickFalse ? MagickFalse : 11985a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11986a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_date=excluding != MagickFalse ? MagickFalse : 11987a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11988a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_EXIF=excluding != MagickFalse ? MagickFalse : 11989a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11990a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_gAMA=excluding != MagickFalse ? MagickFalse : 11991a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11992a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_iCCP=excluding != MagickFalse ? MagickFalse : 11993a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 119941a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=!excluding; */ 11995a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_oFFs=excluding != MagickFalse ? MagickFalse : 11996a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11997a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_pHYs=excluding != MagickFalse ? MagickFalse : 11998a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11999a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_sRGB=excluding != MagickFalse ? MagickFalse : 12000a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12001a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tEXt=excluding != MagickFalse ? MagickFalse : 12002a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12003fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding != MagickFalse ? MagickFalse : 12004fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk MagickTrue; 12005a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tRNS=excluding != MagickFalse ? MagickFalse : 12006a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12007a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_vpAg=excluding != MagickFalse ? MagickFalse : 12008a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12009a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zCCP=excluding != MagickFalse ? MagickFalse : 12010a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 12011a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zTXt=excluding != MagickFalse ? MagickFalse : 12012a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 120131a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1201403812ae402fb53d548f0e1d7d14720768f803c2dglennrp 12015689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("bkgd",value) != MagickFalse) 120161a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 120172cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12018689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("chrm",value) != MagickFalse) 120191a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 12020a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 12021689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("date",value) != MagickFalse) 120221a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12024689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("exif",value) != MagickFalse) 120251a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12027689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("gama",value) != MagickFalse) 120281a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12030689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("iccp",value) != MagickFalse) 120311a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120322cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12033689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 12034689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("itxt",value) != MagickFalse) 120351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iTXt=excluding; 12036689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 120372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12038689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("offs",value) != MagickFalse) 120391a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 120402cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12041689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("phys",value) != MagickFalse) 120421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 120432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12044689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("srgb",value) != MagickFalse) 120451a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 120462cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12047689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("text",value) != MagickFalse) 120481a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 120492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12050fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (IsOptionMember("time",value) != MagickFalse) 12051fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 12052fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 12053689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("trns",value) != MagickFalse) 120541a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 12055a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 12056689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("vpag",value) != MagickFalse) 120571a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 120582cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12059689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("zccp",value) != MagickFalse) 120601a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 120612cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12062689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("ztxt",value) != MagickFalse) 120631a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 1206426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1206526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 120661a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (logging != MagickFalse) 1206726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1206826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120695d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1207026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1207126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1207326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1207426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 12076a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 12077a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12078a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1207926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1208026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1208226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1208326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1208526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1208626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 12088689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 1208926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1209026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 12092689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 12093689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp 1209426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1209526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1209726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1209826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1210026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1210126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1210226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1210326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1210426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1210526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 12106fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (mng_info->ping_exclude_tIME != MagickFalse) 12107fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12108fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk " tIME"); 12109a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 12110a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12111a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1211226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1211326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1211526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1211626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1211726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1211826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1211926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1212026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1212126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1212226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 12123b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 121243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1212516ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 121263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 121280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 121310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 121363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1213916ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 121413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 121433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1214803812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 121563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 121583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 121603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 121613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 121623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 121633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 121643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12165bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1216659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 121673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 121683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 12170fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 121713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 121743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 121753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 121773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 121788a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image_info->type==TrueColorMatteType || image->alpha_trait == BlendPixelTrait; 121793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121804b917593e694424be469d250448c05c878663812glennrp jng_alpha_sample_depth = 0; 121814b917593e694424be469d250448c05c878663812glennrp 1218259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1218359575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1218459575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1218559575fa5c228308a41d7f5028390be2083aaaf6dglennrp 12186750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1218759575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1218859575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1218959575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1219059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12192d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp length=0; 12193d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 121948fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 121953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 121970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 121993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1220116ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 122020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 122040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 122063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 122110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1221216ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 122133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 122143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122168a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 122178f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1221816ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1221916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 122203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 122213b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 122223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 122233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1222459575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1222559575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1222659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1222759575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1222859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1222959575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 122303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 122323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 122357fb2652ba366fc984d1dbb0c66560b91c57dab78cristy TrueColorType && IsImageGray(image,exception)) 122363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 122373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1223859575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1223959575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1224059575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224159575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1224259575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224359575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 122448fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 1224559575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1224659575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224759575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1224859575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1224959575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1225059575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1225159575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1225259575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1225359575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1225459575fa5c228308a41d7f5028390be2083aaaf6dglennrp 122558fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 122583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 122603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 122613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1226216ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1226416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 122703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12273cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 12274cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 12275cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 122763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1227716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1228016ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 122813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 122823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1228616ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1228916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1229816ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 123000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12303e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12304e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 123103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 123113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 123143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1231603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 123174e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 123184e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 123203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 123233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 123263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 123283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 123293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12332f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 123330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12335f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 123360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 123390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 123420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 123450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 123480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 123510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 123540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 123570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 12363cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 123673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123698fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 123763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12380bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 123853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12387bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 123883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1238903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 123913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 123923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 123933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 123943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 123963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 123973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 123983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 123993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 124093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1241003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 124110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12413e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12414cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12415e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 124160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12418e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12419cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12420e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 124210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 124313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1243403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1243535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 124373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 124383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 124413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1245103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1245335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1245435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1245635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1245735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 124583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1245935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1246035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 124613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1246235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1246335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 124643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 124653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1246916ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 124703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 124733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 124753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1247603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 124783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1247935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1248016ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 124810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1248235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1248316ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 124840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1249235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1249316ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 124940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1249535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1249616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 124970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1250316ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1250416ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 125163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 125173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1251903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12520bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12521bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 125293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1253003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 125313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 125323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125398fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 125403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12543bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 125443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 125453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12546fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy size_t 125473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 125483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12552e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12553f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 125543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12558bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125605389e5ad63c880fe6885e3b24c76acbdbf63bd61cristy len=(size_t) (*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 125620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12566fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image,len); 12567fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy LogPNGChunk(logging,mng_IDAT,len); 12568fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlob(image,len+4,p); 12569fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image, crc32(0,p,(uInt) len+4)); 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12576e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12577e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12587e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12588bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1259003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 125963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 126043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 126053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 126113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1261216ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 126143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 126153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 126183b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 126193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 126203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1262216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 126233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12626e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12627e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 126283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 126303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 126310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1263259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1263359575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 126343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 126360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 126400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1264116ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 126420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12646e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12647e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 126483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12650e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12654bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1265603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 126573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 126593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12667cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1267203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 126753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 126790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 126963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 126983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1270116ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1270216ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1271016ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1271116ea139d53d867211d3bb0fa859a83de653f687ecristy% 127123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1271416ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1271516ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1271821f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1271903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 127203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 127293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 127303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 127323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12733fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1273416ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 127363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1274273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 127433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 127443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 127533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1275416ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 127563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 127583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 127613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1276516ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1276616ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1277521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 127763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1277803812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1277903812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1278003812ae402fb53d548f0e1d7d14720768f803c2dglennrp 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 127863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 127933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12798bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 128033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 128073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12808bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12811bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12815d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 128163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12829fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1283016ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1283873bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 128413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 128523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 128563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 128573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 128583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 128633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 128653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 128663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 128673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 128753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 128763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128782dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Checking input image(s)\n" 128792dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Image_info depth: %.20g, Type: %d", 128802dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) image_info->depth, image_info->type); 128813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 128833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12887280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " Scene: %.20g\n, Image depth: %.20g", 12888280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp (double) scene++, (double) p->depth); 128890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12890dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy if (p->alpha_trait == BlendPixelTrait) 128913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 128930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 128970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 129010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 129050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12908e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 129090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 129130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 129583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 129613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 129623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 129643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 129673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 129713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 129760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 129793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 129830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 12984dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy if (next_image->alpha_trait == BlendPixelTrait) 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 129860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 12988dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy if ((next_image->alpha_trait == BlendPixelTrait) || 12989dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy next_image->page.x || next_image->page.y || 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 129913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 129930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 129960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 129980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 130020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130088a46d827a124555f0c48fb2368ec1bba8e079ab6cristy if (image->alpha_trait == BlendPixelTrait) 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130137fb2652ba366fc984d1dbb0c66560b91c57dab78cristy if (IsImageGray(image,exception) == MagickFalse) 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 130153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 130173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 130183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 130263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1303916ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1304016ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 130583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 130753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 130793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 130853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 130863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 130903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130940261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 13095d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 13096d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1309716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1309816ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 13099d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 13100d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 13101d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 131023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 13107cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 13108cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 131103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 131110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 131140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 131163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 131170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 13120d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp (final_delay != 25) && (final_delay != 50) && (1UL*final_delay != 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 131293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 131363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1313803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 131394e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 131404e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 131433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 131510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 131543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 131600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 131720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 131753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 131810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 131843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 13188092ec8d083fedaedfb7792995e7ea42164553cffcristy option=GetImageOption(image_info,"mng:need-cacheoff"); 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 131923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 13199bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1320003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 132013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 132023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 132033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 132063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 132073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 132083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 132133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1321403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 132153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 132163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 132173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 132183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 132190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 132220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 132250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13229e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 13230e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 132310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13234e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 132350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13238e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 132413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 132423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 132483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 132513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 132533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1325403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 132550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 13257e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13258cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13259e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 132600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 13262e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13263cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13264cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 132650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 132743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 132773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 132793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1328003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1328135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 132823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 132833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 132843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 132853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 132953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1329603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 132973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1329835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1329935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 133003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1330135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1330235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 133033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1330435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1330535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 133063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1330735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1330835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 133093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 133103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 133113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 133123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1331416ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 133153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 133183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 133203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1332103812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 133220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 133243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1332535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1332616ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 133270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1332835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1332916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 133300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 133373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1333835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1333916ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 133400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1334135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1334216ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 133430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1334916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1335016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 133513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 133523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 133553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 133563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 133593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 133603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13361dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy if (write_mng && ((image->alpha_trait == BlendPixelTrait) || 13362dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy image->page.x > 0 || image->page.y > 0 || (image->page.width && 133633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 133643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 133653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 133663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1336903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 133703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 133713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 133723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 133733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 133743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 133753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 133763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 133793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1338203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 133833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 133893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 133903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 133913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 133923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13393bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 133943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 133953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 133983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1340203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13404bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1340616ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1340716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1340816ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1340916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1341016ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1341116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 134123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 134163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 134213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 134223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 134253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 134273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 134293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 134343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 134353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 134373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 134393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 134423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 134433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 134453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 134463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 134473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13451bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 134523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 134533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1345703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13459bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 134623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 134633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 134643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 134683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 134693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 134743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 134773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13478bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 134793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 134803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 134813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 134833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 134853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 134863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 134903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 134913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 134933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 134943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 134953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 134973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1349803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 134993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 135003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 135013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 135023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 135033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 135043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 135053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 135063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 135073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 135123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 135143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 135153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 135173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 135183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 135193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 135213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 135243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 135263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1352703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 135283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 135303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 135313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 135363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 135383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1353903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 135403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 135423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 135433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 135443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 135453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 135463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 135473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 135483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 135493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 135503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 135514e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 135523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 135543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 135573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 135583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 135603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 135613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 135653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 135663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 135673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1356816ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 135693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 135703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 135772f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13578b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 135798d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 135802f2e514554975d510c88df54de98c6cdc1080f1cglennrp 135812f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 135822f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 135832f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13584a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 135852f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 135862f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 135872f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 135882f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 135892f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 135902f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 135912f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 135922f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13593a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 135942f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 135952f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 135962f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 135972f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1359816ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 135993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 136013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 136063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 136083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 136093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 136113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 136123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 136130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 136153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 136160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 136180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 136203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 136213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 136223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 136233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 136253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 136273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1362803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 136293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 136303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 136313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 136343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 136400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 136423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13643d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1364439992b4dd9b12ef752d55b8e402c069698851f72glennrp 136453ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 136463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136473bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 136483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 136493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 136500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 136523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 136533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1365439992b4dd9b12ef752d55b8e402c069698851f72glennrp 136553ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 136563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 136583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13659d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 136603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13661