png.c revision 6dfc26699a1aacdec9771115c4dcaf6c5c0a8f98
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% % 21b56bb24a985ca4366713bcd8ffdfacbb48a98a2fcristy% Copyright 1999-2015 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 1041d9ecd04e9c567113b4b605cf76681cbb37c093cdcristystatic const char * 10425dff435eceea4f80207a906b11e65aed48fe3f27glennrpMagick_ColorType_from_PNG_ColorType(const int ping_colortype) 10435dff435eceea4f80207a906b11e65aed48fe3f27glennrp{ 10445dff435eceea4f80207a906b11e65aed48fe3f27glennrp switch (ping_colortype) 10455dff435eceea4f80207a906b11e65aed48fe3f27glennrp { 10465dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 0: 10475dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Grayscale"; 10485dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10495dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 2: 10505dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Truecolor"; 10515dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10525dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 3: 10535dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "Indexed"; 10545dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10555dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 4: 10565dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "GrayAlpha"; 10575dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10585dff435eceea4f80207a906b11e65aed48fe3f27glennrp case 6: 10595dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "RGBA"; 10605dff435eceea4f80207a906b11e65aed48fe3f27glennrp 10615dff435eceea4f80207a906b11e65aed48fe3f27glennrp default: 10625dff435eceea4f80207a906b11e65aed48fe3f27glennrp return "UndefinedColorType"; 10635dff435eceea4f80207a906b11e65aed48fe3f27glennrp } 10645dff435eceea4f80207a906b11e65aed48fe3f27glennrp} 10655dff435eceea4f80207a906b11e65aed48fe3f27glennrp 1066d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MAGICKCORE_PNG_DELEGATE */ 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 10703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s M N G % 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsMNG() returns MagickTrue if the image format type, identified by the 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is MNG. 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsMNG method is: 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 10883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 10903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 10943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 10953ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsMNG(const unsigned char *magick,const size_t length) 10963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 10973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 10983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 10990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\212MNG\r\n\032\n",8) == 0) 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s J N G % 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsJNG() returns MagickTrue if the image format type, identified by the 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is JNG. 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsJNG method is: 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11323ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsJNG(const unsigned char *magick,const size_t length) 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\213JNG\r\n\032\n",8) == 0) 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I s P N G % 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IsPNG() returns MagickTrue if the image format type, identified by the 11553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% magick string, is PNG. 11563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the IsPNG method is: 11583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 11623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o magick: compare image format pattern against these bytes. 11643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o length: Specifies the length of the magick string. 11663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType IsPNG(const unsigned char *magick,const size_t length) 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magick,"\211PNG\r\n\032\n",8) == 0) 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 11750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 11803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1184d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER > 10011) 1185bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristystatic size_t WriteBlobMSBULong(Image *image,const size_t value) 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 11873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[4]; 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[0]=(unsigned char) (value >> 24); 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[1]=(unsigned char) (value >> 16); 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[2]=(unsigned char) (value >> 8); 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy buffer[3]=(unsigned char) value; 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((size_t) WriteBlob(image,4,buffer)); 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGLong(png_bytep p,png_uint_32 value) 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1207a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#if defined(JNG_SUPPORTED) 12083ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGsLong(png_bytep p,png_int_32 value) 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 24) & 0xff); 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 16) & 0xff); 12123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1215a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp#endif 12163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGShort(png_bytep p,png_uint_16 value) 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) ((value >> 8) & 0xff); 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p++=(png_byte) (value & 0xff); 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void PNGType(png_bytep p,png_bytep type) 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(p,type,4*sizeof(png_byte)); 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122803812ae402fb53d548f0e1d7d14720768f803c2dglennrpstatic void LogPNGChunk(MagickBooleanType logging, png_bytep type, 122903812ae402fb53d548f0e1d7d14720768f803c2dglennrp size_t length) 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1233e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Writing %c%c%c%c chunk, length: %.20g", 1234e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1236d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1242d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if PNG_LIBPNG_VER > 10011 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d P N G I m a g e % 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadPNGImage() reads a Portable Network Graphics (PNG) or 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file and returns it. It 12563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 12573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image or set of images. 12583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadPNGImage method is: 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 12663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 12683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 12703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do, more or less in chronological order (as of version 5.5.2, 12723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% November 26, 2002 -- glennrp -- see also "To do" under WriteMNGImage): 12733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Get 16-bit cheap transparency working. 12753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG decoding is supposed to be in full MNG-LC compliance) 12773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 12793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 12803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 12813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (At this point, PNG encoding should be in full MNG compliance) 12833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide options for choice of background to use when the MNG BACK 12853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk is not present or is not mandatory (i.e., leave transparent, 12863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% user specified, MNG BACK, PNG bKGD) 12873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Implement LOOP/ENDL [done, but could do discretionary loops more 12893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% efficiently by linking in the duplicate frames.]. 12903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Decode and act on the MHDR simplicity profile (offer option to reject 12923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files or attempt to process them anyway when the profile isn't LC or VLC). 12933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG without Delta-PNG. 12953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 12963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BACK [done a while ago except for background image ID] 12973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MOVE [done 15 May 1999] 12983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o CLIP [done 15 May 1999] 12993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o DISC [done 19 May 1999] 13003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SAVE [partially done 19 May 1999 (marks objects frozen)] 13013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SEEK [partially done 19 May 1999 (discard function only)] 13023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o SHOW 13033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PAST 13043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o BASI 13053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o MNG-level tEXt/iTXt/zTXt 13063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYg 13073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o pHYs 13083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o sBIT 13093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o bKGD 13103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o iTXt (wait for libpng implementation). 13113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use the scene signature to discover when an identical scene is 13133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% being reused, and just point to the original image->exception instead 13143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of storing another set of pixels. This not specific to MNG 13153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% but could be applied generally. 13163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Upgrade to full MNG with Delta-PNG. 13183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG tEXt/iTXt/zTXt 13203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 13213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% We will not attempt to read files containing the CgBI chunk. 13223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% They are really Xcode files meant for display on the iPhone. 13233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% These are not valid PNG files and it is impossible to recover 1324f54e295d6fa414fa04aa4f43767c20eda8ae555eglennrp% the original PNG from files that have been converted to Xcode-PNG, 13253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% since irretrievable loss of color data has occurred due to the 13263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% use of premultiplied alpha. 13273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 13303ed852eea50f9d4cd633efb8c2b054b8e33c253cristyextern "C" { 13313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 13343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy This the function that does the actual reading of data. It is 13353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the same as the one supplied in libpng, except that it receives the 13363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy datastream from the ReadBlob() function instead of standard input. 13373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 13383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 13448fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,data); 13503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 13513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 13533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy msg[MaxTextExtent]; 13543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13553b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 1356e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "Expected %.20g bytes; found %.20g bytes",(double) length, 1357e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) check); 13583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_warning(png_ptr,msg); 13593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 13603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(PNG_READ_EMPTY_PLTE_SUPPORTED) && \ 13653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy !defined(PNG_MNG_FEATURES_SUPPORTED) 13663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* We use mng_get_data() instead of png_get_data() if we have a libpng 13673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * older than libpng-1.0.3a, which was the first to allow the empty 13683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * PLTE, or a newer libpng in which PNG_MNG_FEATURES_SUPPORTED was 13693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * ifdef'ed out. Earlier versions would crash if the bKGD chunk was 13703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * encountered after an empty PLTE, so we have to look ahead for bKGD 13713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * chunks and remove them from the datastream that is passed to libpng, 13723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * and store their contents for later use. 13733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void mng_get_data(png_structp png_ptr,png_bytep data,png_size_t length) 13753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 13763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 13773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 13783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 13803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 13813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 13833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 13843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1385bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 13863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 13873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=0; 13893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) png_get_io_ptr(png_ptr); 13903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) mng_info->image; 13913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (mng_info->bytes_in_read_buffer && length) 13923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[i]=mng_info->read_buffer[i]; 13943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer--; 13953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length--; 13963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i++; 13973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 13988fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 13993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length,(char *) data); 14010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"Read Exception"); 14040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 14063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 0)) 14093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->read_buffer[4]=0; 14133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=4; 14143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_PLTE,4) == 0) 14153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickTrue; 14163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(mng_info->read_buffer,mng_IEND,4) == 0) 14173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 14193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 14203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((data[0] == 0) && (data[1] == 0) && (data[2] == 0) && 14243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (data[3] == 1)) 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_bKGD,4) == 0) 14313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->found_empty_plte) 14323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 14343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Skip the bKGD data byte and CRC. 14353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 14363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) 14373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlob(image,5,(char *) mng_info->read_buffer); 14383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check=(png_size_t) ReadBlob(image,(size_t) length, 14393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (char *) mng_info->read_buffer); 14403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->saved_bkgd_index=mng_info->read_buffer[0]; 14413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickTrue; 14423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 14433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14503ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_put_data(png_structp png_ptr,png_bytep data,png_size_t length) 14513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 14533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 14543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_io_ptr(png_ptr); 14568fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 14573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t 14593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check; 14603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1461bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy check=(png_size_t) WriteBlob(image,(size_t) length,data); 14620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (check != length) 14643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(png_ptr,"WriteBlob Failed"); 14653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14683ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void png_flush_data(png_structp png_ptr) 14693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 14703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_ptr; 14713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 14743ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int PalettesAreEqual(Image *a,Image *b) 14753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1476bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 14773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 14783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 14793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a == (Image *) NULL) || (b == (Image *) NULL)) 14803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->storage_class != PseudoClass || b->storage_class != PseudoClass) 14833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (a->colors != b->colors) 14863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1488bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) a->colors; i++) 14893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 14903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((a->colormap[i].red != b->colormap[i].red) || 14913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].green != b->colormap[i].green) || 14923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (a->colormap[i].blue != b->colormap[i].blue)) 14933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickFalse); 14943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 14950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 14963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((int) MagickTrue); 14973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 14983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 14993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15003ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void MngInfoDiscardObject(MngInfo *mng_info,int i) 15013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i && (i < MNG_MAX_OBJECTS) && (mng_info != (MngInfo *) NULL) && 15033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i] && !mng_info->frozen[i]) 15043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 15063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 15073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count > 0) 15093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->reference_count--; 15100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->reference_count == 0) 15123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i]->image != (Image *) NULL) 15143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->image=DestroyImage(mng_info->ob[i]->image); 15150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=DestroyString(mng_info->ob[i]); 15173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]=(MngBuffer *) NULL; 15203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 15213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[i]=MagickFalse; 15223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[i]=MagickFalse; 15233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[i]=MagickFalse; 15243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickFalse; 15253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=0; 15263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=0; 15273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].left=0; 1528bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 15293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i].top=0; 1530bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 15313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 153421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrpstatic void MngInfoFreeStruct(MngInfo *mng_info, 153521f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp MagickBooleanType *have_mng_structure) 15363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 153721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp if (*have_mng_structure != MagickFalse && (mng_info != (MngInfo *) NULL)) 15383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1539bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 15403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 15413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 15433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 15440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte != (png_colorp) NULL) 15463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) 15473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RelinquishMagickMemory(mng_info->global_plte); 15480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) RelinquishMagickMemory(mng_info); 15503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *have_mng_structure=MagickFalse; 15513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15543ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_minimum_box(MngBox box1,MngBox box2) 15553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=box1; 15603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.left < box2.left) 15613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left=box2.left; 15620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.top < box2.top) 15643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top=box2.top; 15650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.right > box2.right) 15673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right=box2.right; 15680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (box.bottom > box2.bottom) 15703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom=box2.bottom; 15710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return box; 15733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15753ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngBox mng_read_box(MngBox previous_box,char delta_type,unsigned char *p) 15763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 15773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 15783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 15793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 15813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read clipping boundaries from DEFI, CLIP, FRAM, or PAST chunk. 15823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1583bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.left=(ssize_t) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 1584bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.right=(ssize_t) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 1585bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.top=(ssize_t) ((p[8] << 24) | (p[9] << 16) | (p[10] << 8) | p[11]); 1586bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy box.bottom=(ssize_t) ((p[12] << 24) | (p[13] << 16) | (p[14] << 8) | p[15]); 15873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 15883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 15893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.left+=previous_box.left; 15903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.right+=previous_box.right; 15913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.top+=previous_box.top; 15923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box.bottom+=previous_box.bottom; 15933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 15940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 15953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(box); 15963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 15973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 15983ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MngPair mng_read_pair(MngPair previous_pair,int delta_type, 15993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char *p) 16003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 16023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair; 16033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 1604bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy Read two ssize_ts from CLON, MOVE or PAST chunk 16053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 16068182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.a=(long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); 16078182b0758e3429fb8dcd1700f09643fd4d80a41ccristy pair.b=(long) ((p[4] << 24) | (p[5] << 16) | (p[6] << 8) | p[7]); 16080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (delta_type != 0) 16103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 16113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.a+=previous_pair.a; 16123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pair.b+=previous_pair.b; 16133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 16140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 16153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(pair); 16163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16188182b0758e3429fb8dcd1700f09643fd4d80a41ccristystatic long mng_get_long(unsigned char *p) 16193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 16208182b0758e3429fb8dcd1700f09643fd4d80a41ccristy return((long) ((p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3])); 16213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 162316ea139d53d867211d3bb0fa859a83de653f687ecristytypedef struct _PNGErrorInfo 162416ea139d53d867211d3bb0fa859a83de653f687ecristy{ 162516ea139d53d867211d3bb0fa859a83de653f687ecristy Image 162616ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 162716ea139d53d867211d3bb0fa859a83de653f687ecristy 162816ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 162916ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 163016ea139d53d867211d3bb0fa859a83de653f687ecristy} PNGErrorInfo; 163116ea139d53d867211d3bb0fa859a83de653f687ecristy 1632cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGErrorHandler(png_struct *ping,png_const_charp message) 16333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 163416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 163516ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 163616ea139d53d867211d3bb0fa859a83de653f687ecristy 16373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 164016ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 164116ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 16420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 164316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 164416ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 164516ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 1646c82a27bb8e3138ff9bbf0f696663bdf3e704cedecristy 164716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1648b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s error: %s", png_get_libpng_ver(NULL),message); 164916ea139d53d867211d3bb0fa859a83de653f687ecristy 165016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError,message, 165116ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",image->filename); 16520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1653e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 16548371ecc013ff231ce380d8717e517312e62e1f01glennrp /* A warning about deprecated use of jmpbuf here is unavoidable if you 16558371ecc013ff231ce380d8717e517312e62e1f01glennrp * are building with libpng-1.4.x and can be ignored. 16568371ecc013ff231ce380d8717e517312e62e1f01glennrp */ 16573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy longjmp(ping->jmpbuf,1); 1658faa852bad40107edae19405e76a299057668d795glennrp#else 1659faa852bad40107edae19405e76a299057668d795glennrp png_longjmp(ping,1); 1660faa852bad40107edae19405e76a299057668d795glennrp#endif 16613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1663cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic void MagickPNGWarningHandler(png_struct *ping,png_const_charp message) 16643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 166516ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo 166616ea139d53d867211d3bb0fa859a83de653f687ecristy *exception; 166716ea139d53d867211d3bb0fa859a83de653f687ecristy 16683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 16693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 16703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 167116ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 167216ea139d53d867211d3bb0fa859a83de653f687ecristy *error_info; 167316ea139d53d867211d3bb0fa859a83de653f687ecristy 16743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(message, "Missing PLTE before tRNS") == 0) 16753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping, message); 16760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 167716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info=(PNGErrorInfo *) png_get_error_ptr(ping); 167816ea139d53d867211d3bb0fa859a83de653f687ecristy image=error_info->image; 167916ea139d53d867211d3bb0fa859a83de653f687ecristy exception=error_info->exception; 168016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1681b989d32f1a878692144c3b76764f931575f22131glennrp " libpng-%s warning: %s", png_get_libpng_ver(NULL),message); 16820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 168316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderWarning, 16843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy message,"`%s'",image->filename); 16853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 1688943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#if PNG_LIBPNG_VER >= 10400 1689a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_alloc_size_t size) 1690a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 1691a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristystatic png_voidp Magick_png_malloc(png_structp png_ptr,png_size_t size) 1692a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 16933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1694df0d90e1d3bbfa3956818ac7bf43aa0d008020dccristy (void) png_ptr; 16953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_voidp) AcquireMagickMemory((size_t) size)); 16963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 16973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 16983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 16993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free a pointer. It is removed from the list at the same time. 17003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1701cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic png_free_ptr Magick_png_free(png_structp png_ptr,png_voidp ptr) 17023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 17033bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) png_ptr; 17043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ptr=RelinquishMagickMemory(ptr); 17053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((png_free_ptr) NULL); 17063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(__cplusplus) || defined(c_plusplus) 17103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 17113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 17123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17133ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int 1714edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrpMagick_png_read_raw_profile(png_struct *ping,Image *image, 1715edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp const ImageInfo *image_info, png_textp text,int ii,ExceptionInfo *exception) 17163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1717bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 17183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 17193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 17213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp; 17223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register png_charp 17243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp; 17253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 17273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length, 17283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles; 17293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 17313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 17323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17330c3e06bd4809f97aeceaeb7c2334d8b2b850c2e1glennrp const unsigned char 17343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unhex[103]={0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,1, 2,3,4,5,6,7,8,9,0,0, 17373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0, 17383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,10,11,12, 17393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 13,14,15}; 17403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 17413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=text[ii].text+1; 17423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for newline */ 17433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != '\n') 17443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* look for length */ 17473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp == '\0' || *sp == ' ' || *sp == '\n') 17483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1750f2f2727f17ecbb23d902f70bb98f81faabc92dbdcristy length=(png_uint_32) StringToLong(sp); 17510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 175297f90e23c85b9c58387880125c29d8c99126f83aglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 175397f90e23c85b9c58387880125c29d8c99126f83aglennrp " length: %lu",(unsigned long) length); 175497f90e23c85b9c58387880125c29d8c99126f83aglennrp 17553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp != ' ' && *sp != '\n') 17563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* allocate space */ 17593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 0) 17603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1761edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping,"invalid profile length"); 17623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17658723e4bcd840478cecfd29891e792edb499cd0e9cristy profile=BlobToStringInfo((const void *) NULL,length); 17660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile == (StringInfo *) NULL) 17683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1769edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "unable to copy profile"); 17703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* copy profile, skipping white space and column 1 "=" signs */ 17743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=GetStringInfoDatum(profile); 17753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibbles=length*2; 17760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1777bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) nibbles; i++) 17783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (*sp < '0' || (*sp > '9' && *sp < 'a') || *sp > 'f') 17803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 17813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*sp == '\0') 17823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1783edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, "ran out of profile data"); 17843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 17853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 17863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp++; 17883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%2 == 0) 17913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp=(unsigned char) (16*unhex[(int) *sp++]); 17920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 17933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 17943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (*dp++)+=unhex[(int) *sp++]; 17953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 17963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 17973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy We have already read "Raw profile type. 17983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 179916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProfile(image,&text[ii].key[17],profile,exception); 18003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=DestroyStringInfo(profile); 18010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 18033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf(" Found a generic profile, type %s\n",&text[ii].key[17]); 18040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 18053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return MagickTrue; 18063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 18093ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic int read_vpag_chunk_callback(png_struct *ping, png_unknown_chunkp chunk) 18103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 18113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 18123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 18133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* The unknown chunk structure contains the chunk data: 18163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte name[5]; 18173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte *data; 18183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_size_t size; 18193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note that libpng has already taken care of the CRC handling. 18213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 18223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18232ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp LogMagickEvent(CoderEvent,GetMagickModule(), 18242ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp " read_vpag_chunk: found %c%c%c%c chunk", 18252ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp chunk->name[0],chunk->name[1],chunk->name[2],chunk->name[3]); 18263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->name[0] != 118 || chunk->name[1] != 112 || 18283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk->name[2] != 65 ||chunk-> name[3] != 103) 18293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* Did not recognize */ 18303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* recognized vpAg */ 18323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->size != 9) 18343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(-1); /* Error return */ 18353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk->data[8] != 0) 18373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(0); /* ImageMagick requires pixel units */ 18383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=(Image *) png_get_user_chunk_ptr(ping); 18403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1841bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.width=(size_t) ((chunk->data[0] << 24) | 18423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[1] << 16) | (chunk->data[2] << 8) | chunk->data[3]); 18430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1844bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->page.height=(size_t) ((chunk->data[4] << 24) | 18453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (chunk->data[5] << 16) | (chunk->data[6] << 8) | chunk->data[7]); 18463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Return one of the following: */ 18483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(-n); chunk had an error */ 18493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(0); did not recognize */ 18503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* return(n); success */ 18513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(1); 18533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 18543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 18553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 18563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1857fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 1858fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void read_tIME_chunk(Image *image,png_struct *ping,png_info *info, 1859fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ExceptionInfo *exception) 1860fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 1861fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_timep 1862fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time; 1863fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1864fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (png_get_tIME(ping,info,&time)) 1865fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1866fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk char 1867fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp[21]; 1868fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1869fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk FormatLocaleString(timestamp,21,"%04d-%02d-%02dT%02d:%02d:%02dZ", 1870fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time->year,time->month,time->day,time->hour,time->minute,time->second); 1871fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk SetImageProperty(image,"png:tIME",timestamp,exception); 1872fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1873fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 1874fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1875fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 18763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 18773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e P N G I m a g e % 18823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 18853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 18863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOnePNGImage() reads a Portable Network Graphics (PNG) image file 18883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 18893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 18903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 18913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOnePNGImage method is: 18933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOnePNGImage(MngInfo *mng_info, const ImageInfo *image_info, 18953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 18963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 18983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 18993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 19003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 19023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 19043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 19053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 19063ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOnePNGImage(MngInfo *mng_info, 19073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 19083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 19093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Read one PNG image */ 19103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1911cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp /* To do: Read the tEXt/Creation Time chunk into the date:create property */ 1912cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 19133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 19143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 19153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1916d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp char 1917ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp im_vers[32], 1918ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv[32], 1919ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_vers[32], 1920ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv[32], 1921ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_vers[32]; 1922d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 19233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 192498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent, /* "PNG Rendering intent", which is ICC intent + 1 */ 1925cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles, 19263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_text, 19274eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total, 19283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 1929913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors, 1930faa852bad40107edae19405e76a299057668d795glennrp pass, 1931faa852bad40107edae19405e76a299057668d795glennrp ping_bit_depth, 1932faa852bad40107edae19405e76a299057668d795glennrp ping_color_type, 1933fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth, 1934faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method, 1935faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method, 1936faa852bad40107edae19405e76a299057668d795glennrp ping_filter_method, 19374eb3931feb349dd87142c78503b779228f3e1a0fglennrp ping_num_trans, 19384eb3931feb349dd87142c78503b779228f3e1a0fglennrp unit_type; 19394eb3931feb349dd87142c78503b779228f3e1a0fglennrp 19404eb3931feb349dd87142c78503b779228f3e1a0fglennrp double 19414eb3931feb349dd87142c78503b779228f3e1a0fglennrp file_gamma; 19423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 19444383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging, 194598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM, 194698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA, 194798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP, 194898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB, 19493d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM, 1950ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 19513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 19523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19530997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 19540997332e2c35a821b271d6e7473c01c10dc206adcristy *volatile pixel_info; 19550997332e2c35a821b271d6e7473c01c10dc206adcristy 195616ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 195716ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color; 195816ea139d53d867211d3bb0fa859a83de653f687ecristy 195916ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 196016ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 196116ea139d53d867211d3bb0fa859a83de653f687ecristy 1962faa852bad40107edae19405e76a299057668d795glennrp png_bytep 1963faa852bad40107edae19405e76a299057668d795glennrp ping_trans_alpha; 1964faa852bad40107edae19405e76a299057668d795glennrp 1965faa852bad40107edae19405e76a299057668d795glennrp png_color_16p 1966faa852bad40107edae19405e76a299057668d795glennrp ping_background, 1967faa852bad40107edae19405e76a299057668d795glennrp ping_trans_color; 1968faa852bad40107edae19405e76a299057668d795glennrp 19693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 19703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *end_info, 19713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 19723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 19743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 19753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 19773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 19783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1979faa852bad40107edae19405e76a299057668d795glennrp png_uint_32 1980faa852bad40107edae19405e76a299057668d795glennrp ping_height, 1981faa852bad40107edae19405e76a299057668d795glennrp ping_width, 19824eb3931feb349dd87142c78503b779228f3e1a0fglennrp x_resolution, 19834eb3931feb349dd87142c78503b779228f3e1a0fglennrp y_resolution; 1984faa852bad40107edae19405e76a299057668d795glennrp 198516ea139d53d867211d3bb0fa859a83de653f687ecristy QuantumInfo 198616ea139d53d867211d3bb0fa859a83de653f687ecristy *quantum_info; 198716ea139d53d867211d3bb0fa859a83de653f687ecristy 1988bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 1989756ae430d36380dfab8ca703538f5922f3796351cristy ping_rowbytes, 19903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 19913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 19923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 19933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 19943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1995bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 19963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 19973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 19983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 199916ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 20003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 20013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 20023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 200339992b4dd9b12ef752d55b8e402c069698851f72glennrp length, 20043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset; 20053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2006eb3b22a03f31af7f724573d8537cd91fca06ee41cristy ssize_t 2007eb3b22a03f31af7f724573d8537cd91fca06ee41cristy j; 2008eb3b22a03f31af7f724573d8537cd91fca06ee41cristy 200975fc68f33e6e766a22e8ed653c3ed50b0d142827cristy unsigned char 20100997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 201155b78b53f1e013e0af19565ac04aaa7660d53795cristy 2012629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED 20133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte unused_chunks[]= 20143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 20153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 104, 73, 83, 84, (png_byte) '\0', /* hIST */ 20163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105, 84, 88, 116, (png_byte) '\0', /* iTXt */ 20173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112, 67, 65, 76, (png_byte) '\0', /* pCAL */ 20183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 67, 65, 76, (png_byte) '\0', /* sCAL */ 20193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115, 80, 76, 84, (png_byte) '\0', /* sPLT */ 2020fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if !defined(PNG_tIME_SUPPORTED) 20213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116, 73, 77, 69, (png_byte) '\0', /* tIME */ 2022fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 2023629960f505ebba710ec9b6953a539a21dab176f2glennrp#ifdef PNG_APNG_SUPPORTED /* libpng was built with APNG patch; */ 2024629960f505ebba710ec9b6953a539a21dab176f2glennrp /* ignore the APNG chunks */ 2025629960f505ebba710ec9b6953a539a21dab176f2glennrp 97, 99, 84, 76, (png_byte) '\0', /* acTL */ 2026629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 99, 84, 76, (png_byte) '\0', /* fcTL */ 2027629960f505ebba710ec9b6953a539a21dab176f2glennrp 102, 100, 65, 84, (png_byte) '\0', /* fdAT */ 2028629960f505ebba710ec9b6953a539a21dab176f2glennrp#endif 20293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 20303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2032d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 2033d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 2034d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 2035d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 2036d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2037ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibVersionText,32); 2038d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 2039ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp MagickLibAddendum,32); 2040ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2041d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 2042d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 2043ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 2044ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 2045ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 2046ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 2047ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 2048d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 2049d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 2050ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 2051ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 2052ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 2053ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 2054ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 20552dd1906783a5ece58a6105b4f59239e28b13caddglennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(), 20562dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Enter ReadOnePNGImage()\n" 20572dd1906783a5ece58a6105b4f59239e28b13caddglennrp " IM version = %s\n" 20582dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Libpng version = %s", 20592dd1906783a5ece58a6105b4f59239e28b13caddglennrp im_vers, libpng_vers); 20602dd1906783a5ece58a6105b4f59239e28b13caddglennrp 20612dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 20622dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20632dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 2064d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 20652dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20662dd1906783a5ece58a6105b4f59239e28b13caddglennrp libpng_runv); 2067d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 20682dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 20692dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_vers); 20702dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 20712dd1906783a5ece58a6105b4f59239e28b13caddglennrp { 20722dd1906783a5ece58a6105b4f59239e28b13caddglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 20732dd1906783a5ece58a6105b4f59239e28b13caddglennrp zlib_runv); 20742dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 20752dd1906783a5ece58a6105b4f59239e28b13caddglennrp } 2076d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 207725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if (PNG_LIBPNG_VER < 10200) 20783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 20793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 20803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 20813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 20823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 208361b4c957269727a0a2526edc2331881da8346100glennrp#if (PNG_LIBPNG_VER >= 10400) 208461b4c957269727a0a2526edc2331881da8346100glennrp# ifndef PNG_TRANSFORM_GRAY_TO_RGB /* Added at libpng-1.4.0beta67 */ 208561b4c957269727a0a2526edc2331881da8346100glennrp if (image_info->verbose) 208661b4c957269727a0a2526edc2331881da8346100glennrp { 208761b4c957269727a0a2526edc2331881da8346100glennrp printf("Your PNG library (libpng-%s) is an old beta version.\n", 208861b4c957269727a0a2526edc2331881da8346100glennrp PNG_LIBPNG_VER_STRING); 208961b4c957269727a0a2526edc2331881da8346100glennrp printf("Please update it.\n"); 209061b4c957269727a0a2526edc2331881da8346100glennrp } 209161b4c957269727a0a2526edc2331881da8346100glennrp# endif 209261b4c957269727a0a2526edc2331881da8346100glennrp#endif 209361b4c957269727a0a2526edc2331881da8346100glennrp 209416ea139d53d867211d3bb0fa859a83de653f687ecristy 209516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info = (QuantumInfo *) NULL; 20963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 20973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2098a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 209998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2100a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 21012dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Before reading:\n" 21022dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->alpha_trait=%d" 21032dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->rendering_intent=%d\n" 21042dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->colorspace=%d\n" 21052dd1906783a5ece58a6105b4f59239e28b13caddglennrp " image->gamma=%f", 21062dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->alpha_trait, (int) image->rendering_intent, 21072dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) image->colorspace, image->gamma); 210898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 210998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(image->rendering_intent); 211098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21110e319739731741c52a6303723e0c8678a0df5579glennrp /* Set to an out-of-range color unless tRNS chunk is present */ 21120e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.red=65537; 21130e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.green=65537; 21140e319739731741c52a6303723e0c8678a0df5579glennrp transparent_color.blue=65537; 211516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha=65537; 21160e319739731741c52a6303723e0c8678a0df5579glennrp 2117913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp number_colors=0; 2118cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_text = 0; 21194eb3931feb349dd87142c78503b779228f3e1a0fglennrp num_text_total = 0; 2120cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp num_raw_profiles = 0; 2121cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 212298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM = MagickFalse; 212398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA = MagickFalse; 212498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_iCCP = MagickFalse; 212598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_sRGB = MagickFalse; 21264b917593e694424be469d250448c05c878663812glennrp ping_found_sRGB_cHRM = MagickFalse; 2127ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = MagickFalse; 2128ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 212998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 21303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 21323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 213416ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 213516ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 21363e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 2137cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler, NULL, 2138cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 21393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 21403e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_read_struct(PNG_LIBPNG_VER_STRING,&error_info, 2141cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 21423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 21433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 21443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 21470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 21493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,(png_info **) NULL,(png_info **) NULL); 21513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy end_info=png_create_info_struct(ping); 21550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (end_info == (png_info *) NULL) 21573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,(png_info **) NULL); 21593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 21603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 21610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21620997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 21630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2164faa852bad40107edae19405e76a299057668d795glennrp if (setjmp(png_jmpbuf(ping))) 21653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 21663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 21673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG image is corrupt. 21683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 21693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 2170edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2171868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2172cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 21733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2174edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21750997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 21760997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 2177edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 21783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 21793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 21803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() with error."); 21810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 2183f078e391816b7033081339865c711a5547d6aecadirk image->columns=0; 21840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 21853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 21863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2187edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2188edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 2189edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 2190edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 2191edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 2192edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2193868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 2194edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 2195edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 2196edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 2197943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 2198a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 2199a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 2200a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 2201a3a5f956194e91458e2789966ad15308e8f3df47glennrp 22023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 22033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for reading. 22043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2205faa852bad40107edae19405e76a299057668d795glennrp 22063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 22073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sig_bytes(ping,8); 22080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 22103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 22123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 22133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) 22163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 22173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 22193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 22203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->bytes_in_read_buffer=0; 22213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->found_empty_plte=MagickFalse; 22223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index=MagickFalse; 22233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,mng_info,mng_get_data); 22243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 22270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 22283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 22293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_fn(ping,image,png_get_data); 22303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2231e604a757f40a91c286711c49577eeced17ea97adglennrp { 2232e604a757f40a91c286711c49577eeced17ea97adglennrp const char 2233e604a757f40a91c286711c49577eeced17ea97adglennrp *value; 2234e604a757f40a91c286711c49577eeced17ea97adglennrp 2235e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"profile:skip"); 2236e604a757f40a91c286711c49577eeced17ea97adglennrp 2237e604a757f40a91c286711c49577eeced17ea97adglennrp if (IsOptionMember("ICC",value) == MagickFalse) 2238e604a757f40a91c286711c49577eeced17ea97adglennrp { 2239e604a757f40a91c286711c49577eeced17ea97adglennrp 2240e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 2241e604a757f40a91c286711c49577eeced17ea97adglennrp 2242e604a757f40a91c286711c49577eeced17ea97adglennrp if (value == NULL) 2243e604a757f40a91c286711c49577eeced17ea97adglennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 2244e604a757f40a91c286711c49577eeced17ea97adglennrp 2245e604a757f40a91c286711c49577eeced17ea97adglennrp if (value != NULL) 2246e604a757f40a91c286711c49577eeced17ea97adglennrp ping_preserve_iCCP=MagickTrue; 2247201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp 2248201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#if defined(PNG_SKIP_sRGB_CHECK_PROFILE) && defined(PNG_SET_OPTION_SUPPORTED) 2249201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp /* Don't let libpng check for ICC/sRGB profile because we're going 2250201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp * to do that anyway. This feature was added at libpng-1.6.12. 2251cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp * If logging, go ahead and check and issue a warning as appropriate. 2252201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp */ 2253cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp if (logging == MagickFalse) 2254cf45b20b2d8abda43638bdcece704c78090ecbb2glennrp png_set_option(ping, PNG_SKIP_sRGB_CHECK_PROFILE, PNG_OPTION_ON); 2255201f0c995969c480e7cf0285e5826c4c6903b7a1glennrp#endif 2256e604a757f40a91c286711c49577eeced17ea97adglennrp } 2257e604a757f40a91c286711c49577eeced17ea97adglennrp#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 2258e604a757f40a91c286711c49577eeced17ea97adglennrp else 2259e604a757f40a91c286711c49577eeced17ea97adglennrp { 2260e604a757f40a91c286711c49577eeced17ea97adglennrp png_set_keep_unknown_chunks(ping, 1, mng_iCCP, 1); 2261e604a757f40a91c286711c49577eeced17ea97adglennrp } 2262e604a757f40a91c286711c49577eeced17ea97adglennrp#endif 2263e604a757f40a91c286711c49577eeced17ea97adglennrp } 22643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) 22653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Ignore unused chunks and all unknown chunks except for vpAg */ 22662ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#if PNG_LIBPNG_VER < 10700 /* Avoid libpng16 warning */ 22672ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp png_set_keep_unknown_chunks(ping, 2, NULL, 0); 22682ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#else 22693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, NULL, 0); 22702ad70151f4224c47dd9e23caf7d6620c4434fc57glennrp#endif 22713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 2, mng_vpAg, 1); 22723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_keep_unknown_chunks(ping, 1, unused_chunks, 22733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int)sizeof(unused_chunks)/5); 22743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Callback for other unknown chunks */ 22753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_read_user_chunk_fn(ping, image, read_vpag_chunk_callback); 22763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 22773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 22782feb141b6f74ce425fed3272286fab1f50366bb9glennrp#ifdef PNG_SET_USER_LIMITS_SUPPORTED 227909cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# if (PNG_LIBPNG_VER >= 10400) 22802feb141b6f74ce425fed3272286fab1f50366bb9glennrp /* Limit the size of the chunk storage cache used for sPLT, text, 2281687361928f16a28ea56e200d00e970e68173cc25glennrp * and unknown chunks. 22822feb141b6f74ce425fed3272286fab1f50366bb9glennrp */ 2283687361928f16a28ea56e200d00e970e68173cc25glennrp png_set_chunk_cache_max(ping, 32767); 228409cd96287f72032f4d49a779d65e1546e85f6b9fglennrp# endif 22852feb141b6f74ce425fed3272286fab1f50366bb9glennrp#endif 22862feb141b6f74ce425fed3272286fab1f50366bb9glennrp 22879bf97b6c2143eb20c330346b01e82102cc082725glennrp#ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED 22889bf97b6c2143eb20c330346b01e82102cc082725glennrp /* Disable new libpng-1.5.10 feature */ 22899bf97b6c2143eb20c330346b01e82102cc082725glennrp png_set_check_for_invalid_index (ping, 0); 22909bf97b6c2143eb20c330346b01e82102cc082725glennrp#endif 22919bf97b6c2143eb20c330346b01e82102cc082725glennrp 2292991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp#if (PNG_LIBPNG_VER < 10400) 2293991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# if defined(PNG_USE_PNGGCCRD) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ 2294991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp (PNG_LIBPNG_VER >= 10200) && (PNG_LIBPNG_VER < 10220) && defined(__i386__) 22953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Disable thread-unsafe features of pnggccrd */ 22963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_access_version_number() >= 10200) 22973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 22983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 mmx_disable_mask=0; 22993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 asm_flags; 23003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mmx_disable_mask |= ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ 23023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ 23033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ 23043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ); 23053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy asm_flags=png_get_asm_flags(ping); 23063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_asm_flags(ping, asm_flags & ~mmx_disable_mask); 23073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2308991e92a91acb9e432cd6c05843e4f6a57643e29dglennrp# endif 23093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 23103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 23113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_info(ping,ping_info); 2312faa852bad40107edae19405e76a299057668d795glennrp 2313faa852bad40107edae19405e76a299057668d795glennrp png_get_IHDR(ping,ping_info,&ping_width,&ping_height, 2314faa852bad40107edae19405e76a299057668d795glennrp &ping_bit_depth,&ping_color_type, 2315faa852bad40107edae19405e76a299057668d795glennrp &ping_interlace_method,&ping_compression_method, 2316faa852bad40107edae19405e76a299057668d795glennrp &ping_filter_method); 2317faa852bad40107edae19405e76a299057668d795glennrp 2318fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_file_depth = ping_bit_depth; 2319fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp 23200d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp /* Swap bytes if requested */ 23210d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp if (ping_file_depth == 16) 23220d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp { 23230d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp const char 2324a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp *value; 2325a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2326a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageOption(image_info,"png:swap-bytes"); 2327a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2328a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value == NULL) 2329a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp value=GetImageArtifact(image,"png:swap-bytes"); 2330a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp 2331a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp if (value != NULL) 2332a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp png_set_swap(ping); 23330d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp } 23340d767725a26a52a3c8362cbb1b88cbe0fd52522dglennrp 23355830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp /* Save bit-depth and color-type in case we later want to write a PNG00 */ 23365830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 23375830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp char 23385830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp msg[MaxTextExtent]; 23395830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23405830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_color_type); 23413398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color-type-orig",msg,exception); 23425830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 23435830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_bit_depth); 23443398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit-depth-orig",msg,exception); 23455830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 23465830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 2347faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_tRNS(ping, ping_info, &ping_trans_alpha, &ping_num_trans, 2348faa852bad40107edae19405e76a299057668d795glennrp &ping_trans_color); 2349faa852bad40107edae19405e76a299057668d795glennrp 2350faa852bad40107edae19405e76a299057668d795glennrp (void) png_get_bKGD(ping, ping_info, &ping_background); 2351faa852bad40107edae19405e76a299057668d795glennrp 2352faa852bad40107edae19405e76a299057668d795glennrp if (ping_bit_depth < 8) 23533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2354fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp png_set_packing(ping); 2355fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp ping_bit_depth = 8; 23563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2357faa852bad40107edae19405e76a299057668d795glennrp 2358faa852bad40107edae19405e76a299057668d795glennrp image->depth=ping_bit_depth; 23593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->depth=GetImageQuantumDepth(image,MagickFalse); 2360faa852bad40107edae19405e76a299057668d795glennrp image->interlace=ping_interlace_method != 0 ? PNGInterlace : NoInterlace; 236198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2362176b29a003f11fd934137871d574995319408665cristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 2363176b29a003f11fd934137871d574995319408665cristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 2364176b29a003f11fd934137871d574995319408665cristy { 2365176b29a003f11fd934137871d574995319408665cristy image->rendering_intent=UndefinedIntent; 236698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp intent=Magick_RenderingIntent_to_PNG_RenderingIntent(UndefinedIntent); 2367176b29a003f11fd934137871d574995319408665cristy (void) ResetMagickMemory(&image->chromaticity,0, 2368176b29a003f11fd934137871d574995319408665cristy sizeof(image->chromaticity)); 2369176b29a003f11fd934137871d574995319408665cristy } 237098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 23713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 23723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 23733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 23742dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG width: %.20g, height: %.20g\n" 23752dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG color_type: %d, bit_depth: %d\n" 23762dd1906783a5ece58a6105b4f59239e28b13caddglennrp " PNG compression_method: %d\n" 23773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " PNG interlace_method: %d, filter_method: %d", 23782dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) ping_width, (double) ping_height, 23792dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_color_type, ping_bit_depth, 23802dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_compression_method, 2381faa852bad40107edae19405e76a299057668d795glennrp ping_interlace_method,ping_filter_method); 23822dd1906783a5ece58a6105b4f59239e28b13caddglennrp 23833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 23843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2385ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 2386ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2387ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 2388ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (logging != MagickFalse) 2389ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2390ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 2391ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2392ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 239398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_gAMA)) 239498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 239598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_gAMA=MagickTrue; 239698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 239798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 239898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG gAMA chunk."); 239998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 240098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 240198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 240298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 240398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp ping_found_cHRM=MagickTrue; 240498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 240598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 240698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp " Found PNG cHRM chunk."); 240798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 240898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2409ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP != MagickTrue && png_get_valid(ping,ping_info, 2410ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 241198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2412ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB=MagickTrue; 241398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 241498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2415ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG sRGB chunk."); 241698b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 241798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2418ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#ifdef PNG_READ_iCCP_SUPPORTED 2419e604a757f40a91c286711c49577eeced17ea97adglennrp if (ping_found_iCCP !=MagickTrue && 2420ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_sRGB != MagickTrue && 2421ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info, PNG_INFO_iCCP)) 242298b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp { 2423ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_iCCP=MagickTrue; 242498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (logging != MagickFalse) 242598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2426ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Found PNG iCCP chunk."); 242798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp } 242898b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2429faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_iCCP)) 24303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 24323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression; 24333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2434e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 2435e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_charp 2436e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2437e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 2438e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp png_bytep 2439e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp info; 2440e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 2441e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp 24423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 24433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name; 24443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 24463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile_length; 24473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_iCCP(ping,ping_info,&name,(int *) &compression,&info, 24493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &profile_length); 24500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 24513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile_length != 0) 24523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 24533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 24543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 24553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 24563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 24573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 24583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG iCCP chunk."); 2459ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2460e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy profile=BlobToStringInfo(info,profile_length); 2461ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2462e8f8f3877ede9cbc125b64c8f760c7c4a63bc00fcristy if (profile == (StringInfo *) NULL) 2463ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2464ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_warning(ping, "ICC profile is NULL"); 2465ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2466ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2467ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else 2468ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2469ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_preserve_iCCP == MagickFalse) 2470edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2471ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp int 2472ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 2473ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 2474ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2475ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2476ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_uint_32 2477ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length, 2478ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 2479ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2480ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp unsigned char 2481ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp *data; 2482ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2483ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp length=(png_uint_32) GetStringInfoLength(profile); 2484ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2485ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 2486ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2487ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 2488ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2489ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 2490ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2491ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2492ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 2493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2495ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 2496ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 2497ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2498ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 2500ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 2501ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2502ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2503ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 2504ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2505ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2506ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 2507ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 2508ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 2509ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent==UndefinedIntent) 2510ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2511ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2512ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 2513ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 2514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp break; 2516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2517ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2518ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2519ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 2520ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2521ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2522ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 2523ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (unsigned long) length); 2524ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2525ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2526edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2527ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else /* Preserve-iCCP */ 2528edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2529ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) SetImageProfile(image,"icc",profile,exception); 2530edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2531ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2532ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile=DestroyStringInfo(profile); 2533ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2537ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sRGB_SUPPORTED) 25393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2540ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_found_iCCP==MagickFalse && png_get_valid(ping,ping_info, 2541ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp PNG_INFO_sRGB)) 2542ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2543ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (png_get_sRGB(ping,ping_info,&intent)) 25443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2545ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2546ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2547ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent (intent); 25480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2551e610a071534e448c46460a5aa39ede33bf56b329glennrp " Reading PNG sRGB chunk: rendering_intent: %d",intent); 25523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2553ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 2554ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2555ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp else if (mng_info->have_global_srgb) 2556ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 2557ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (image->rendering_intent == UndefinedIntent) 2558ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 2559ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent 2560ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (mng_info->global_srgb_intent); 2561ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 25623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2564ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 2565ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 25663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2567faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_gAMA(ping,ping_info,&file_gamma)) 2568faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_gama) 2569faa852bad40107edae19405e76a299057668d795glennrp png_set_gAMA(ping,ping_info,mng_info->global_gamma); 25700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 25713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png_get_gAMA(ping,ping_info,&file_gamma)) 25723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->gamma=(float) file_gamma; 25743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 25753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 25763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG gAMA chunk: gamma: %f",file_gamma); 25773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 25783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 257998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp 2580faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 2581faa852bad40107edae19405e76a299057668d795glennrp { 2582faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_chrm != MagickFalse) 2583faa852bad40107edae19405e76a299057668d795glennrp { 2584faa852bad40107edae19405e76a299057668d795glennrp (void) png_set_cHRM(ping,ping_info, 2585faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.x, 2586faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.white_point.y, 2587faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.x, 2588faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.red_primary.y, 2589faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.x, 2590faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.green_primary.y, 2591faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.x, 2592faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_chrm.blue_primary.y); 2593faa852bad40107edae19405e76a299057668d795glennrp } 2594faa852bad40107edae19405e76a299057668d795glennrp } 25950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2596faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_cHRM)) 25973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 25983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_cHRM(ping,ping_info, 25993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.x, 26003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.white_point.y, 26013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.x, 26023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.red_primary.y, 26033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.x, 26043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.green_primary.y, 26053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.x, 26063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &image->chromaticity.blue_primary.y); 26070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2608ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_found_cHRM=MagickTrue; 2609ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 26103d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (image->chromaticity.red_primary.x>0.6399f && 26113d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 26123d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 26133d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 26143d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 26153d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 26163d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 26173d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 26183d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 26193d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 26203d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 26213d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 26223d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 26233d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 26243d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 26253d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f) 26263d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_sRGB_cHRM=MagickTrue; 26273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2629e610a071534e448c46460a5aa39ede33bf56b329glennrp if (image->rendering_intent != UndefinedIntent) 26303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26313d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (ping_found_sRGB != MagickTrue && 26323d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_gAMA != MagickTrue || 263384288238d90b2e1831857d6b2427abd7875b7e1bglennrp (image->gamma > .45 && image->gamma < .46)) && 26343d627862fb79aad8a20be4f1587f0b8761db441aglennrp (ping_found_cHRM != MagickTrue || 2635cd8b331760407523f2a59cc65c1cd9c3d4422bafcristy ping_found_sRGB_cHRM != MagickFalse) && 26363d627862fb79aad8a20be4f1587f0b8761db441aglennrp ping_found_iCCP != MagickTrue) 26375cf1bff142633838354b1080183c957900bc80e8glennrp { 26385cf1bff142633838354b1080183c957900bc80e8glennrp png_set_sRGB(ping,ping_info, 26395cf1bff142633838354b1080183c957900bc80e8glennrp Magick_RenderingIntent_to_PNG_RenderingIntent 26405cf1bff142633838354b1080183c957900bc80e8glennrp (image->rendering_intent)); 26415cf1bff142633838354b1080183c957900bc80e8glennrp file_gamma=1.000f/2.200f; 26425cf1bff142633838354b1080183c957900bc80e8glennrp ping_found_sRGB=MagickTrue; 264384288238d90b2e1831857d6b2427abd7875b7e1bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2644918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp " Setting sRGB as if in input"); 26455cf1bff142633838354b1080183c957900bc80e8glennrp } 26463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26475cf1bff142633838354b1080183c957900bc80e8glennrp 26483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_oFFs_SUPPORTED) 2649faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 26503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2651905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.x=(ssize_t) png_get_x_offset_pixels(ping, ping_info); 2652905ef80dad2c83a01a607533f7039528ca7766b9cristy image->page.y=(ssize_t) png_get_y_offset_pixels(ping, ping_info); 26530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x || image->page.y) 26563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2657e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG oFFs chunk: x: %.20g, y: %.20g.",(double) 2658e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy image->page.x,(double) image->page.y); 26593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 26613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 2662faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 2663faa852bad40107edae19405e76a299057668d795glennrp { 2664faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_phys) 2665faa852bad40107edae19405e76a299057668d795glennrp { 2666faa852bad40107edae19405e76a299057668d795glennrp png_set_pHYs(ping,ping_info, 2667faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_x_pixels_per_unit, 2668faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_y_pixels_per_unit, 2669faa852bad40107edae19405e76a299057668d795glennrp mng_info->global_phys_unit_type); 2670faa852bad40107edae19405e76a299057668d795glennrp } 2671faa852bad40107edae19405e76a299057668d795glennrp } 2672faa852bad40107edae19405e76a299057668d795glennrp 26735c97f62ba919c3c109f0072df3b560056565e9e7cristy x_resolution=0; 26745c97f62ba919c3c109f0072df3b560056565e9e7cristy y_resolution=0; 26755c97f62ba919c3c109f0072df3b560056565e9e7cristy unit_type=0; 2676faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 26773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 26793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image resolution. 26803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 26813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_pHYs(ping,ping_info,&x_resolution,&y_resolution, 26820881b52ab4fee8427578a694081946c4c4e92b35cristy &unit_type); 268316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution; 268416ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution; 26850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (unit_type == PNG_RESOLUTION_METER) 26873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 26883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 268916ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) x_resolution/100.0; 269016ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) y_resolution/100.0; 26913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 26933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 26943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2695e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 2696e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) x_resolution,(double) y_resolution,unit_type); 26973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 26983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2699823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 2700faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 27013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 27033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 27043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 27060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((number_colors == 0) && 2708faa852bad40107edae19405e76a299057668d795glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE)) 27093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte_length) 27113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_PLTE(ping,ping_info,mng_info->global_plte, 27133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (int) mng_info->global_plte_length); 27140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2715faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 2716edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 27173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_trns_length) 27183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2719edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_warning(ping, 2720edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp "global tRNS has more entries than global PLTE"); 27213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2722edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp else 2723edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp { 2724edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_set_tRNS(ping,ping_info,mng_info->global_trns, 2725edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp (int) mng_info->global_trns_length,NULL); 2726edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2727edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp } 2728bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 27293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ( 27303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_saved_bkgd_index || 27323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2733faa852bad40107edae19405e76a299057668d795glennrp png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 27353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_color_16 27363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background; 27373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 27383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 27393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_saved_bkgd_index) 27403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.index=mng_info->saved_bkgd_index; 27413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2742faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping, ping_info, PNG_INFO_bKGD)) 2743faa852bad40107edae19405e76a299057668d795glennrp background.index=ping_background->index; 27440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.red=(png_uint_16) 27463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].red; 27470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.green=(png_uint_16) 27493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].green; 27500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 27513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy background.blue=(png_uint_16) 27523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[background.index].blue; 27530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2754c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp background.gray=(png_uint_16) 2755c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp mng_info->global_plte[background.index].green; 2756c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 27573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_bKGD(ping,ping_info,&background); 27583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 27603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 2762edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"No global PLTE in file"); 27633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 27653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2766bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#ifdef PNG_READ_bKGD_SUPPORTED 2767faa852bad40107edae19405e76a299057668d795glennrp if (mng_info->have_global_bkgd && 2768faa852bad40107edae19405e76a299057668d795glennrp (!png_get_valid(ping,ping_info,PNG_INFO_bKGD))) 27693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_info->mng_global_bkgd; 27700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2771faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 27723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2773bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp unsigned int 2774bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale; 2775bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp 27762dd1906783a5ece58a6105b4f59239e28b13caddglennrp /* Set image background color. 27772dd1906783a5ece58a6105b4f59239e28b13caddglennrp * Scale background components to 16-bit, then scale 2778bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp * to quantum depth 2779bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp */ 27802cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2781bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 1; 27820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2783fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth == 1) 2784bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 255; 27850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2786fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 2) 2787bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 85; 27880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2789fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp else if (ping_file_depth == 4) 2790bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale = 17; 27910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2792fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp if (ping_file_depth <= 8) 2793bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp bkgd_scale *= 257; 27942cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2795bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->red *= bkgd_scale; 2796bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->green *= bkgd_scale; 2797bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ping_background->blue *= bkgd_scale; 27982cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2799bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2800bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp { 28012dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (logging != MagickFalse) 28022dd1906783a5ece58a6105b4f59239e28b13caddglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28032dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Reading PNG bKGD chunk, raw ping_background=(%d,%d,%d).\n" 28042dd1906783a5ece58a6105b4f59239e28b13caddglennrp " bkgd_scale=%d. ping_background=(%d,%d,%d).", 28052dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->red,ping_background->green, 28062dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->blue, 28072dd1906783a5ece58a6105b4f59239e28b13caddglennrp bkgd_scale,ping_background->red, 28082dd1906783a5ece58a6105b4f59239e28b13caddglennrp ping_background->green,ping_background->blue); 2809bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp } 28102cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2811bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.red= 2812faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->red); 28130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2814bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.green= 2815faa852bad40107edae19405e76a299057668d795glennrp ScaleShortToQuantum(ping_background->green); 28160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 2817bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp image->background_color.blue= 2818bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp ScaleShortToQuantum(ping_background->blue); 28190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 282016ea139d53d867211d3bb0fa859a83de653f687ecristy image->background_color.alpha=OpaqueAlpha; 28212cbb4489df0a2a31907769956f217d4b9d982bd0glennrp 2822bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp if (logging != MagickFalse) 2823bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 2824bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp " image->background_color=(%.20g,%.20g,%.20g).", 2825bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.red, 2826bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.green, 2827bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp (double) image->background_color.blue); 28283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2829bfd9e61977198bea7d1ba9bf432226c6de0c38beglennrp#endif /* PNG_READ_bKGD_SUPPORTED */ 2830a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2831faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 28323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2834a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp Image has a tRNS chunk. 28353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 28363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 28373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy max_sample; 28383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 283935ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 284035ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 284135ef824baa82511126ff0072ae30eee0da9c05a3cristy 28423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG tRNS chunk."); 28453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2846fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp max_sample = (int) ((one << ping_file_depth) - 1); 28473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2848faa852bad40107edae19405e76a299057668d795glennrp if ((ping_color_type == PNG_COLOR_TYPE_GRAY && 2849faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->gray > max_sample) || 2850faa852bad40107edae19405e76a299057668d795glennrp (ping_color_type == PNG_COLOR_TYPE_RGB && 2851faa852bad40107edae19405e76a299057668d795glennrp ((int)ping_trans_color->red > max_sample || 2852faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->green > max_sample || 2853faa852bad40107edae19405e76a299057668d795glennrp (int)ping_trans_color->blue > max_sample))) 28543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 28563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Ignoring PNG tRNS chunk with out-of-range sample."); 28583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free_data(ping, ping_info, PNG_FREE_TRNS, 0); 2859faa852bad40107edae19405e76a299057668d795glennrp png_set_invalid(ping,ping_info,PNG_INFO_tRNS); 28608a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 28613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 28633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2864a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp int 2865a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp scale_to_short; 2866a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2867fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale_to_short = 65535L/((1UL << ping_file_depth)-1); 2868a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 2869a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Scale transparent_color to short */ 2870a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.red= scale_to_short*ping_trans_color->red; 2871a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.green= scale_to_short*ping_trans_color->green; 2872a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp transparent_color.blue= scale_to_short*ping_trans_color->blue; 287316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha= scale_to_short*ping_trans_color->gray; 287405eb4a94b088c7f75605e7c1ec06bd13a6b34a3fglennrp 2875faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 28763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 28770f111984738842d27d04aed2a3f823d82a943506glennrp if (logging != MagickFalse) 28780f111984738842d27d04aed2a3f823d82a943506glennrp { 28790f111984738842d27d04aed2a3f823d82a943506glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 28802dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Raw tRNS graylevel = %d, scaled graylevel = %d.", 28812dd1906783a5ece58a6105b4f59239e28b13caddglennrp (int) ping_trans_color->gray,(int) transparent_color.alpha); 28820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 28830f111984738842d27d04aed2a3f823d82a943506glennrp } 288416ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red=transparent_color.alpha; 288516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green=transparent_color.alpha; 288616ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue=transparent_color.alpha; 28873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_READ_sBIT_SUPPORTED) 28913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->have_global_sbit) 28923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2893faa852bad40107edae19405e76a299057668d795glennrp if (!png_get_valid(ping,ping_info,PNG_INFO_sBIT)) 28943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_sBIT(ping,ping_info,&mng_info->global_sbit); 28953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 28963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 28973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 2898faa852bad40107edae19405e76a299057668d795glennrp 28993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_read_update_info(ping,ping_info); 2900faa852bad40107edae19405e76a299057668d795glennrp 2901faa852bad40107edae19405e76a299057668d795glennrp ping_rowbytes=png_get_rowbytes(ping,ping_info); 2902faa852bad40107edae19405e76a299057668d795glennrp 29033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image structure. 29053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 29063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.left=0; 2907bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.right=(ssize_t) ping_width; 29083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_box.top=0; 2909bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->image_box.bottom=(ssize_t) ping_height; 29103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 29113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2912faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_width=ping_width; 2913faa852bad40107edae19405e76a299057668d795glennrp mng_info->mng_height=ping_height; 29143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame=mng_info->image_box; 29153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_info->image_box; 29163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 29193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[mng_info->object_id]; 29213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->compression=ZipCompression; 2924faa852bad40107edae19405e76a299057668d795glennrp image->columns=ping_width; 2925faa852bad40107edae19405e76a299057668d795glennrp image->rows=ping_height; 2926a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 292716ea139d53d867211d3bb0fa859a83de653f687ecristy if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 292816ea139d53d867211d3bb0fa859a83de653f687ecristy ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) 29298d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29300a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp double 29310a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp image_gamma = image->gamma; 29320a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29330a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29340a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->gamma=%f",(float) image_gamma); 29350a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp 29360a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp if (image_gamma > 0.75) 29378d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp { 29380a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp /* Set image->rendering_intent to Undefined, 2939e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp * image->colorspace to GRAY, and reset image->chromaticity. 29408d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp */ 294167429939a9bdca8c2ea541cd690b8e479c921527glennrp image->intensity = Rec709LuminancePixelIntensityMethod; 29428d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp SetImageColorspace(image,GRAYColorspace,exception); 29438d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2944ccc36af759d30fb50b1deda241d038402a393b17glennrp else 2945ccc36af759d30fb50b1deda241d038402a393b17glennrp { 2946ccc36af759d30fb50b1deda241d038402a393b17glennrp RenderingIntent 2947ccc36af759d30fb50b1deda241d038402a393b17glennrp save_rendering_intent = image->rendering_intent; 2948ccc36af759d30fb50b1deda241d038402a393b17glennrp ChromaticityInfo 2949ccc36af759d30fb50b1deda241d038402a393b17glennrp save_chromaticity = image->chromaticity; 2950ccc36af759d30fb50b1deda241d038402a393b17glennrp 2951ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,GRAYColorspace,exception); 2952ccc36af759d30fb50b1deda241d038402a393b17glennrp image->rendering_intent = save_rendering_intent; 2953ccc36af759d30fb50b1deda241d038402a393b17glennrp image->chromaticity = save_chromaticity; 2954ccc36af759d30fb50b1deda241d038402a393b17glennrp } 2955ccc36af759d30fb50b1deda241d038402a393b17glennrp 2956ccc36af759d30fb50b1deda241d038402a393b17glennrp image->gamma = image_gamma; 29578d0bca5eb90971dbd2100bb5d7a8de9e39f76595glennrp } 2958e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp 2959e88af7706d1540872ed85dd059a8faf3339d3f5bglennrp (void)LogMagickEvent(CoderEvent,GetMagickModule(), 29600a5b92ca99910144e70ca19c74d7bfe35eec6fc6glennrp " image->colorspace=%d",(int) image->colorspace); 2961a6c5d34901e480ed05ae3d7be9b4725d6e5ea246glennrp 2962faa852bad40107edae19405e76a299057668d795glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 296332340ffa74550819f755f966e397ed58bbccd8e5glennrp ((int) ping_bit_depth < 16 && 296432340ffa74550819f755f966e397ed58bbccd8e5glennrp (int) ping_color_type == PNG_COLOR_TYPE_GRAY)) 29653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2966befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 2967befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 2968befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 29693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=PseudoClass; 2970befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 2971fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp image->colors=one << ping_file_depth; 29723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (MAGICKCORE_QUANTUM_DEPTH == 8) 29733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->colors > 256) 297467b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=256; 297567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 297667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colors > 65536L) 297767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colors=65536L; 29783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 2979faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 29803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 29823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 29833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 2985bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy image->colors=(size_t) number_colors; 29860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 29873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 29883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 29893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG PLTE chunk: number_colors: %d.",number_colors); 29903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 29923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 29933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 29943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 29963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image colormap. 29973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 299816ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image->colors,exception) == MagickFalse) 2999edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 30000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3001faa852bad40107edae19405e76a299057668d795glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 30023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 30043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette; 30053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 30063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_get_PLTE(ping,ping_info,&palette,&number_colors); 30070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30086af6cf1a950b111ad0ac706269a703086693ba71glennrp for (i=0; i < (ssize_t) number_colors; i++) 30093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=ScaleCharToQuantum(palette[i].red); 30113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=ScaleCharToQuantum(palette[i].green); 30123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=ScaleCharToQuantum(palette[i].blue); 30133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30146af6cf1a950b111ad0ac706269a703086693ba71glennrp 301567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for ( ; i < (ssize_t) image->colors; i++) 30166af6cf1a950b111ad0ac706269a703086693ba71glennrp { 30176af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].red=0; 30186af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].green=0; 30196af6cf1a950b111ad0ac706269a703086693ba71glennrp image->colormap[i].blue=0; 30206af6cf1a950b111ad0ac706269a703086693ba71glennrp } 30213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 30243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3025bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 30263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale; 30273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3028fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp scale=(QuantumRange/((1UL << ping_file_depth)-1)); 30290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scale < 1) 30313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scale=1; 30320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3033bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 30343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 30353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].red=(Quantum) (i*scale); 30363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].green=(Quantum) (i*scale); 30373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colormap[i].blue=(Quantum) (i*scale); 30383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3041147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3042cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set some properties for reporting by "identify" */ 3043cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3044147bc91f6859c598c4f57b6a162111b2f63614d9glennrp char 3045147bc91f6859c598c4f57b6a162111b2f63614d9glennrp msg[MaxTextExtent]; 3046147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3047fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp /* encode ping_width, ping_height, ping_file_depth, ping_color_type, 3048147bc91f6859c598c4f57b6a162111b2f63614d9glennrp ping_interlace_method in value */ 3049147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30503b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 30517cdb11cd177ff29a9d2d8503ad4c920b404eade4glennrp "%d, %d",(int) ping_width, (int) ping_height); 30523398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.width,height",msg,exception); 3053147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3054fcf06169b67cb58a2ab649c11889f91cb400dfd8glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d",(int) ping_file_depth); 30553398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.bit_depth",msg,exception); 3056147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30575dff435eceea4f80207a906b11e65aed48fe3f27glennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (%s)", 30585dff435eceea4f80207a906b11e65aed48fe3f27glennrp (int) ping_color_type, 30595dff435eceea4f80207a906b11e65aed48fe3f27glennrp Magick_ColorType_from_PNG_ColorType((int)ping_color_type)); 30603398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:IHDR.color_type",msg,exception); 3061147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 3062913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (ping_interlace_method == 0) 3063913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3064913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Not interlaced)", 3065913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3066913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3067913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else if (ping_interlace_method == 1) 3068913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3069913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Adam7 method)", 3070913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3071913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3072913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp else 3073913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3074913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d (Unknown method)", 3075913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) ping_interlace_method); 3076913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 3077913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) SetImageProperty(image,"png:IHDR.interlace_method",msg,exception); 3078913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp 3079913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp if (number_colors != 0) 3080913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp { 3081913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (void) FormatLocaleString(msg,MaxTextExtent,"%d", 3082913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp (int) number_colors); 30833398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:PLTE.number_colors",msg, 3084913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp exception); 3085913f961818c9b07fd49b9167cbbd6620bbde52fcglennrp } 308639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 3087fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 308839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp read_tIME_chunk(image,ping,ping_info,exception); 3089fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 309039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 3091147bc91f6859c598c4f57b6a162111b2f63614d9glennrp 30923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 30933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read image scanlines. 30943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 30953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay != 0) 30963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found++; 30970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 30980ca69b143ae83fb90449a01e0b0900cb83a1cbc8glennrp if ((mng_info->mng_type == 0 && (image->ping != MagickFalse)) || ( 3099347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->number_scenes != 0) && (mng_info->scenes_found > (ssize_t) 3100347e40f2829bd04656674c58927cc50cda195475glennrp (image_info->first_scene+image_info->number_scenes)))) 31013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 31021b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp /* This happens later in non-ping decodes */ 31031b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 31041b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp image->storage_class=DirectClass; 31051b888c4e54e47ba7659d081d3c2d72dfb2d09bacglennrp 31063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3108e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping PNG image data for scene %.20g",(double) 31093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->scenes_found-1); 31103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 3111edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3112868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3113cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 31143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3115edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 31163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()."); 31190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 31213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 31220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading PNG IDAT chunk(s)"); 31260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 31280997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(image->rows,ping_rowbytes* 3129cf002022280cc4dedb2748ad6f415aac1d44f530glennrp sizeof(*ping_pixels)); 31300997332e2c35a821b271d6e7473c01c10dc206adcristy else 31310997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(ping_rowbytes,sizeof(*ping_pixels)); 31320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31330997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 3134edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 31350997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 31360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 31383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 31393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Converting PNG pixels to pixel packets"); 31403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 31413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PNG pixels to pixel packets. 31423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 31435f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 314416ea139d53d867211d3bb0fa859a83de653f687ecristy 314516ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info == (QuantumInfo *) NULL) 3146edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Failed to allocate quantum_info"); 31470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 31484b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 31494b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp 3150c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3151c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3152c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp MagickBooleanType 3153c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel; 3154c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3155c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel=MagickFalse; 3156c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 31573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == DirectClass) 31583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3159c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (pass=0; pass < num_passes; pass++) 3160c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3161c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* 3162c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp Convert image to DirectClass pixel packets. 3163c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp */ 3164ccc36af759d30fb50b1deda241d038402a393b17glennrp image->alpha_trait= 3165ccc36af759d30fb50b1deda241d038402a393b17glennrp (((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 3166c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 3167c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3168b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 31690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3170c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (y=0; y < (ssize_t) image->rows; y++) 3171c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3172c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (num_passes > 1) 3173c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=ping_rowbytes*y; 31740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3175c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 3176c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp row_offset=0; 31770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3178cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3179c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3180c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3181c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3182c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3183862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 31843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 318516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 3186c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 31870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 318816ea139d53d867211d3bb0fa859a83de653f687ecristy if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY) 318916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 319016ea139d53d867211d3bb0fa859a83de653f687ecristy GrayQuantum,ping_pixels+row_offset,exception); 31910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 319216ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 319316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 319416ea139d53d867211d3bb0fa859a83de653f687ecristy GrayAlphaQuantum,ping_pixels+row_offset,exception); 31950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 319616ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 319716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 319816ea139d53d867211d3bb0fa859a83de653f687ecristy RGBAQuantum,ping_pixels+row_offset,exception); 31990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320016ea139d53d867211d3bb0fa859a83de653f687ecristy else if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 320116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 320216ea139d53d867211d3bb0fa859a83de653f687ecristy IndexQuantum,ping_pixels+row_offset,exception); 32030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 320416ea139d53d867211d3bb0fa859a83de653f687ecristy else /* ping_color_type == PNG_COLOR_TYPE_RGB */ 320516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 320616ea139d53d867211d3bb0fa859a83de653f687ecristy RGBQuantum,ping_pixels+row_offset,exception); 32073faa9a3fb01696daaf976d595f492cb530bffb21glennrp 3208c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel == MagickFalse) 3209c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3210c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp /* Is there a transparent pixel in the row? */ 3211a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (y== 0 && logging != MagickFalse) 3212a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3213a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Looking for cheap transparent pixel"); 3214a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3215c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 3216c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 32175aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if ((ping_color_type == PNG_COLOR_TYPE_RGBA || 32185aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) && 321916ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,q) != OpaqueAlpha)) 3220c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3221a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3222a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3223a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 3224a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 3225c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp found_transparent_pixel = MagickTrue; 3226c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3227c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((ping_color_type == PNG_COLOR_TYPE_RGB || 32294f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_color_type == PNG_COLOR_TYPE_GRAY) && 323016ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelRed(image,q)) == 323116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 323216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 323316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 323416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 323516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue)) 32364f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 3237a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 3238a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3239a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " ...got one."); 32404f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp found_transparent_pixel = MagickTrue; 32414f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 32424f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 324316ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 3244c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3245c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3247af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 3248c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3249af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 3250af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) y, image->rows); 32510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3252c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (status == MagickFalse) 3253c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3254c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3255c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 3256c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp break; 3257c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 32580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3259af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 32607a287bfadeadea12e47c2376ca78a5d101687142cristy { 3261c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp status=SetImageProgress(image,LoadImageTag,pass,num_passes); 32627a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 32637a287bfadeadea12e47c2376ca78a5d101687142cristy break; 32647a287bfadeadea12e47c2376ca78a5d101687142cristy } 32653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 32670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* image->storage_class != DirectClass */ 3269c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 32703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 32713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Quantum 32733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_scanline; 32743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register Quantum 32763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *r; 32773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 32783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 32793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert grayscale image to PseudoClass pixel packets. 32803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 3281c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (logging != MagickFalse) 3282c17d96f447438bb27d874f1440ed05f6493fde1fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3283c17d96f447438bb27d874f1440ed05f6493fde1fglennrp " Converting grayscale pixels to pixel packets"); 328416ea139d53d867211d3bb0fa859a83de653f687ecristy 32858a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA ? 3286b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 32870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) AcquireQuantumMemory(image->columns, 3289b0a657e13c4aefba39c51292005427b47277869dcristy (image->alpha_trait == BlendPixelTrait? 2 : 1)* 3290b0a657e13c4aefba39c51292005427b47277869dcristy sizeof(*quantum_scanline)); 32910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 32923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (quantum_scanline == (Quantum *) NULL) 3293edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 32940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3295bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 32963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 32974f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp Quantum 32984f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha; 32994f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (num_passes > 1) 3301faa852bad40107edae19405e76a299057668d795glennrp row_offset=ping_rowbytes*y; 3302c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 33033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 33043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy row_offset=0; 3305c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3306cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_read_row(ping,ping_pixels+row_offset,NULL); 3307c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 3308c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp if (pass < num_passes-1) 3309c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp continue; 3310c5c31be334ad2c5e7a99c4d3b1a28b330b26d4dcglennrp 33114f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 33120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 331316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 33143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3316cf002022280cc4dedb2748ad6f415aac1d44f530glennrp p=ping_pixels+row_offset; 33173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 3318c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3319faa852bad40107edae19405e76a299057668d795glennrp switch (ping_bit_depth) 33203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 33223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 33234f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 3324faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 3325bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 33263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3327a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33284f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33294f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleCharToQuantum((unsigned char)*p++); 33304f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33314f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33324f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33334f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 33340b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33354f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 333616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3340bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3341a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp *r++=*p++; 33420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 33433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 33443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 334547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 33473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3348bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 3349a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp { 3350c17d96f447438bb27d874f1440ed05f6493fde1fglennrp#if (MAGICKCORE_QUANTUM_DEPTH == 16) || (MAGICKCORE_QUANTUM_DEPTH == 32) 335187281ec8d96ad26dfed9968c29b2920cb3d96744cristy unsigned short 335258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum; 335358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 335458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (image->colors > 256) 3355c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 335658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 335758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp else 3358c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 335958f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 336058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp quantum|=(*p++); 3361c17d96f447438bb27d874f1440ed05f6493fde1fglennrp *r=ScaleShortToQuantum(quantum); 336258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp r++; 33630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3364faa852bad40107edae19405e76a299057668d795glennrp if (ping_color_type == 4) 33653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 3366c17d96f447438bb27d874f1440ed05f6493fde1fglennrp if (image->colors > 256) 3367c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=((*p++) << 8); 3368c17d96f447438bb27d874f1440ed05f6493fde1fglennrp else 3369c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum=0; 3370c17d96f447438bb27d874f1440ed05f6493fde1fglennrp 3371c17d96f447438bb27d874f1440ed05f6493fde1fglennrp quantum|=(*p++); 33724f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33734f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp alpha=ScaleShortToQuantum(quantum); 33744f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp SetPixelAlpha(image,alpha,q); 33754f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 33764f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp if (alpha != OpaqueAlpha) 337758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp found_transparent_pixel = MagickTrue; 33784f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 337916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 338058f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp } 338158f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp 338258f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp#else /* MAGICKCORE_QUANTUM_DEPTH == 8 */ 338358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp *r++=(*p++); 338458f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; /* strip low byte */ 338547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 338658f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp if (ping_color_type == 4) 338758f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp { 338816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,*p++,q); 33894f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 339016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 33910b206f5daa453dc1035db5890cabc899736dc2d0glennrp found_transparent_pixel = MagickTrue; 33924f99639dd26d0b38e2d421f3758b74c215e9cd4aglennrp 339358f77c7678f35e372fd218e4bb0b9cb8937daed7glennrp p++; 339416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 33953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 33963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 3397a18d5bc7daf77f267862e1dfeee6fa0e5e2ea6e8glennrp } 339847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 33993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 340147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 34033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 34053faa9a3fb01696daaf976d595f492cb530bffb21glennrp 34063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 34073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Transfer image scanline. 34083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 34093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy r=quantum_scanline; 34100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 341116ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 341216ea139d53d867211d3bb0fa859a83de653f687ecristy 341316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 341416ea139d53d867211d3bb0fa859a83de653f687ecristy break; 3415bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 341616ea139d53d867211d3bb0fa859a83de653f687ecristy { 341716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,*r++,q); 341816ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 341916ea139d53d867211d3bb0fa859a83de653f687ecristy } 34200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 34213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 34223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3424af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes == 1) 34257a287bfadeadea12e47c2376ca78a5d101687142cristy { 3426cee9711bbc334b5677d5ec4ea1cc70340d35ee35cristy status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, 34279fff7b4fa7d657da7bfed66239982b85c6337de9cristy image->rows); 342847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34297a287bfadeadea12e47c2376ca78a5d101687142cristy if (status == MagickFalse) 34307a287bfadeadea12e47c2376ca78a5d101687142cristy break; 34317a287bfadeadea12e47c2376ca78a5d101687142cristy } 34323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3433c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3434af9320404a7b05014476f844b11110157a21b73eglennrp if (num_passes != 1) 34353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,pass,num_passes); 343747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 34393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 34403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3441c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 34423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_scanline=(Quantum *) RelinquishMagickMemory(quantum_scanline); 34433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3444c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3445b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=found_transparent_pixel ? BlendPixelTrait : 3446b0a657e13c4aefba39c51292005427b47277869dcristy UndefinedPixelTrait; 3447c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 3448c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 3449c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 3450c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (found_transparent_pixel != MagickFalse) 3451c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3452c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Found transparent pixel"); 3453c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 34545aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 34555aa37f69df93407ddf94afdfd2504f708d8b3242glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34565aa37f69df93407ddf94afdfd2504f708d8b3242glennrp " No transparent pixel was found"); 3457bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 34585aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type&=0x03; 34595aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 3460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 3462c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 346316ea139d53d867211d3bb0fa859a83de653f687ecristy if (quantum_info != (QuantumInfo *) NULL) 346416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info=DestroyQuantumInfo(quantum_info); 346516ea139d53d867211d3bb0fa859a83de653f687ecristy 34665c6f789db7a30bad01ace12b09ad9cd471339e94cristy if (image->storage_class == PseudoClass) 34675c6f789db7a30bad01ace12b09ad9cd471339e94cristy { 3468b0a657e13c4aefba39c51292005427b47277869dcristy PixelTrait 3469b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait; 34705c6f789db7a30bad01ace12b09ad9cd471339e94cristy 3471b0a657e13c4aefba39c51292005427b47277869dcristy alpha_trait=image->alpha_trait; 34728a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 347316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 3474b0a657e13c4aefba39c51292005427b47277869dcristy image->alpha_trait=alpha_trait; 34755c6f789db7a30bad01ace12b09ad9cd471339e94cristy } 347647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 34774eb3931feb349dd87142c78503b779228f3e1a0fglennrp png_read_end(ping,end_info); 34783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 3479ccc36af759d30fb50b1deda241d038402a393b17glennrp if (logging != MagickFalse) 3480ccc36af759d30fb50b1deda241d038402a393b17glennrp { 3481ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 3482ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->storage_class=%d\n",(int) image->storage_class); 3483ccc36af759d30fb50b1deda241d038402a393b17glennrp } 3484ccc36af759d30fb50b1deda241d038402a393b17glennrp 34853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0 && mng_info->scenes_found-1 < 3486bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) image_info->first_scene && image->delay != 0) 34873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 34883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 34890997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 34903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 349116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 3492868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3493cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 34943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 34953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 34963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 34973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage() early."); 34983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 34993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 350047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3501faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 35023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 35033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ClassType 35043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class; 35053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 35073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image has a transparent background. 35083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 35093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy storage_class=image->storage_class; 35108a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 3511c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35123c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp/* Balfour fix from imagemagick discourse server, 5 Feb 2010 */ 3513c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (storage_class == PseudoClass) 35150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 3517c11cf6a442f3046940608a5743a68cc891deb13eglennrp { 35180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < ping_num_trans; x++) 35190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35208a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 352116ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = 352216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleCharToQuantum((unsigned char)ping_trans_alpha[x]); 35230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3524c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 352547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 35260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY) 35270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=0; x < (int) image->colors; x++) 35290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ScaleQuantumToShort(image->colormap[x].red) == 353116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.alpha) 35320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35338a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->colormap[x].alpha_trait=BlendPixelTrait; 353416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[x].alpha = (Quantum) TransparentAlpha; 35350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 353816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 35390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 354047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3541a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if 1 /* Should have already been done above, but glennrp problem P10 3542a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * needs this. 3543a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (y=0; y < (ssize_t) image->rows; y++) 35470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 35480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->storage_class=storage_class; 35490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 3550c11cf6a442f3046940608a5743a68cc891deb13eglennrp 355116ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 35520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3553c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3555a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp /* Caution: on a Q8 build, this does not distinguish between 3556a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp * 16-bit colors that differ only in the low byte 3557a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp */ 35580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (x=(ssize_t) image->columns-1; x >= 0; x--) 35590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 356016ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToShort(GetPixelRed(image,q)) == 356116ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.red && 356216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelGreen(image,q)) == 356316ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.green && 356416ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToShort(GetPixelBlue(image,q)) == 356516ea139d53d867211d3bb0fa859a83de653f687ecristy transparent_color.blue) 35664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 356716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,q); 35684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 35690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 357067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if 0 /* I have not found a case where this is needed. */ 35710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 35724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 357316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,q)=(Quantum) OpaqueAlpha; 35744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 3575a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 35760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 357716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 35780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 35790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 35800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 35810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp break; 3582c11cf6a442f3046940608a5743a68cc891deb13eglennrp } 35830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 3584a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 3585c11cf6a442f3046940608a5743a68cc891deb13eglennrp 35863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 35873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 35883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 3589eb3b22a03f31af7f724573d8537cd91fca06ee41cristy for (j = 0; j < 2; j++) 35904eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 35914eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (j == 0) 3592a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,ping_info,&text,&num_text) != 0 ? 3593a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 35944eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 3595a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp status = png_get_text(ping,end_info,&text,&num_text) != 0 ? 3596a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp MagickTrue : MagickFalse; 35973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 35984eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (status != MagickFalse) 35994eb3931feb349dd87142c78503b779228f3e1a0fglennrp for (i=0; i < (ssize_t) num_text; i++) 36004eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36014eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Check for a profile */ 36020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36034eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36044eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36054eb3931feb349dd87142c78503b779228f3e1a0fglennrp " Reading PNG text chunk"); 36060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36075285ae1de367013bf70a5a4e5feaefe3de8dda7bglennrp if (strlen(text[i].key) > 16 && 36086dfc26699a1aacdec9771115c4dcaf6c5c0a8f98glennrp memcmp(text[i].key, "Raw profile type ",17) == 0) 36094eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 361099f968111025b4fadb966ca482c6f57750bf007bglennrp const char 361199f968111025b4fadb966ca482c6f57750bf007bglennrp *value; 361299f968111025b4fadb966ca482c6f57750bf007bglennrp 361399f968111025b4fadb966ca482c6f57750bf007bglennrp value=GetImageOption(image_info,"profile:skip"); 361499f968111025b4fadb966ca482c6f57750bf007bglennrp 361599f968111025b4fadb966ca482c6f57750bf007bglennrp if (IsOptionMember(text[i].key+17,value) == MagickFalse) 361699f968111025b4fadb966ca482c6f57750bf007bglennrp { 361799f968111025b4fadb966ca482c6f57750bf007bglennrp (void) Magick_png_read_raw_profile(ping,image,image_info,text, 361899f968111025b4fadb966ca482c6f57750bf007bglennrp (int) i,exception); 361999f968111025b4fadb966ca482c6f57750bf007bglennrp num_raw_profiles++; 362099f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 362199f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 362299f968111025b4fadb966ca482c6f57750bf007bglennrp " Read raw profile %s",text[i].key+17); 362399f968111025b4fadb966ca482c6f57750bf007bglennrp } 362499f968111025b4fadb966ca482c6f57750bf007bglennrp else 362599f968111025b4fadb966ca482c6f57750bf007bglennrp { 362699f968111025b4fadb966ca482c6f57750bf007bglennrp if (logging != MagickFalse) 362799f968111025b4fadb966ca482c6f57750bf007bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 362899f968111025b4fadb966ca482c6f57750bf007bglennrp " Skipping raw profile %s",text[i].key+17); 362999f968111025b4fadb966ca482c6f57750bf007bglennrp } 36304eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36314eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36324eb3931feb349dd87142c78503b779228f3e1a0fglennrp else 36334eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 36344eb3931feb349dd87142c78503b779228f3e1a0fglennrp char 36354eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value; 36364eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36374eb3931feb349dd87142c78503b779228f3e1a0fglennrp length=text[i].text_length; 36384eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=(char *) AcquireQuantumMemory(length+MaxTextExtent, 36394eb3931feb349dd87142c78503b779228f3e1a0fglennrp sizeof(*value)); 36404eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (value == (char *) NULL) 36414eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 3642edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36434eb3931feb349dd87142c78503b779228f3e1a0fglennrp break; 36444eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 36454eb3931feb349dd87142c78503b779228f3e1a0fglennrp *value='\0'; 36464eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) ConcatenateMagickString(value,text[i].text,length+2); 36474eb3931feb349dd87142c78503b779228f3e1a0fglennrp 36484eb3931feb349dd87142c78503b779228f3e1a0fglennrp /* Don't save "density" or "units" property if we have a pHYs 36494eb3931feb349dd87142c78503b779228f3e1a0fglennrp * chunk 36504eb3931feb349dd87142c78503b779228f3e1a0fglennrp */ 36514eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (!png_get_valid(ping,ping_info,PNG_INFO_pHYs) || 36524eb3931feb349dd87142c78503b779228f3e1a0fglennrp (LocaleCompare(text[i].key,"density") != 0 && 36534eb3931feb349dd87142c78503b779228f3e1a0fglennrp LocaleCompare(text[i].key,"units") != 0)) 365416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,text[i].key,value,exception); 36553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 36564eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (logging != MagickFalse) 36573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36584eb3931feb349dd87142c78503b779228f3e1a0fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 36592dd1906783a5ece58a6105b4f59239e28b13caddglennrp " length: %lu\n" 36602dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Keyword: %s", 36612dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) length, 36622dd1906783a5ece58a6105b4f59239e28b13caddglennrp text[i].key); 36633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36654eb3931feb349dd87142c78503b779228f3e1a0fglennrp value=DestroyString(value); 366697f90e23c85b9c58387880125c29d8c99126f83aglennrp } 36674eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3668fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk num_text_total += num_text; 3669fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 36703c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 36713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 36723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Store the object if necessary. 36743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id && !mng_info->frozen[object_id]) 36763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 36783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 36803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy create a new object buffer. 36813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 36823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]=(MngBuffer *) 368373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(MngBuffer)); 36840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] != (MngBuffer *) NULL) 36863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=(Image *) NULL; 36883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->reference_count=1; 36893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 36903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 369147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 36923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->ob[object_id] == (MngBuffer *) NULL) || 36933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->frozen) 36943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 36953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id] == (MngBuffer *) NULL) 3696edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation failed"); 36970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 36983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->frozen) 3699edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Cannot overwrite frozen MNG object buffer"); 37003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=DestroyImage 37073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->ob[object_id]->image); 37080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image=CloneImage(image,0,0,MagickTrue, 371016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 37110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[object_id]->image != (Image *) NULL) 37133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->image->file=(FILE *) NULL; 37140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 37153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3716edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cloning image for object buffer failed"); 37170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3718faa852bad40107edae19405e76a299057668d795glennrp if (ping_width > 250000L || ping_height > 250000L) 37193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_error(ping,"PNG Image dimensions are too large."); 37200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3721faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->width=ping_width; 3722faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->height=ping_height; 3723faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->color_type=ping_color_type; 3724faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->sample_depth=ping_bit_depth; 3725faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->interlace_method=ping_interlace_method; 3726faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->compression_method= 3727faa852bad40107edae19405e76a299057668d795glennrp ping_compression_method; 3728faa852bad40107edae19405e76a299057668d795glennrp mng_info->ob[object_id]->filter_method=ping_filter_method; 37290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3730faa852bad40107edae19405e76a299057668d795glennrp if (png_get_valid(ping,ping_info,PNG_INFO_PLTE)) 37313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_colorp 37333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy plte; 37343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 37353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 37363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Copy the PLTE to the object buffer. 37373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 37383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_get_PLTE(ping,ping_info,&plte,&number_colors); 37393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=number_colors; 37403c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 37413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < number_colors; i++) 37423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 37433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte[i]=plte[i]; 37443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 374647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 37473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 37483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[object_id]->plte_length=0; 37493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 37513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 37520a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 37538a46d827a124555f0c48fb2368ec1bba8e079ab6cristy /* Set image->alpha_trait to MagickTrue if the input colortype supports 37540a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * alpha or if a valid tRNS chunk is present, no matter whether there 37550a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp * is actual transparency present. 37560a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp */ 37578a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=(((int) ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) || 37580a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp ((int) ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) || 37590a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp (png_get_valid(ping,ping_info,PNG_INFO_tRNS))) ? 3760b0a657e13c4aefba39c51292005427b47277869dcristy BlendPixelTrait : UndefinedPixelTrait; 37610a55b4c577b5e63eca6f108dea6f5c42191f78acglennrp 3762224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#if 0 /* I'm not sure what's wrong here but it does not work. */ 376317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 37645830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37655830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 37665830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleMatteType,exception); 37675830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37685830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37695830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteMatteType,exception); 37705830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37715830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37725830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 37735830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 37745830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37755830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37765830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 37775830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 37785830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,GrayscaleType,exception); 37795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37805830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 37815830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,PaletteType,exception); 37825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 37835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp else 37845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) SetImageType(image,TrueColorType,exception); 37855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 3786224ad8d90905c1c81d949c30e4a808246b4d5165glennrp#endif 37875830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 3788cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* Set more properties for identify to retrieve */ 3789cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3790cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp char 3791cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp msg[MaxTextExtent]; 3792cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 37934eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (num_text_total != 0) 3794cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 3795cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp /* libpng doesn't tell us whether they were tEXt, zTXt, or iTXt */ 37963b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3797613276d97a7f0e40c1055f9ff5ddfcfa8896e20bglennrp "%d tEXt/zTXt/iTXt chunks were found", num_text_total); 37983398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:text",msg, 379916ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3800cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3801cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3802cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (num_raw_profiles != 0) 3803cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp { 38043b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 3805cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp "%d were found", num_raw_profiles); 380616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(image,"png:text-encoded profiles",msg, 380716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 3808cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3809cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 381098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_cHRM != MagickFalse) 38115961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38123b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38135961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Chromaticity, above)"); 38143398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:cHRM",msg, 381516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38165961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 3817cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 3818cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_bKGD)) 38195961225e531a5f26ae179c1d919582d5cdaa44bbglennrp { 38203b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38215961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found (see Background color, above)"); 38223398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:bKGD",msg, 382316ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38245961225e531a5f26ae179c1d919582d5cdaa44bbglennrp } 38255961225e531a5f26ae179c1d919582d5cdaa44bbglennrp 38263b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"%s", 38275961225e531a5f26ae179c1d919582d5cdaa44bbglennrp "chunk was found"); 3828cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 382998b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#if defined(PNG_iCCP_SUPPORTED) 383098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_iCCP != MagickFalse) 38313398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:iCCP",msg, 383216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 383398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp#endif 3834cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38354eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_tRNS)) 38363398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:tRNS",msg, 383716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38384eb3931feb349dd87142c78503b779228f3e1a0fglennrp 38394eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_sRGB_SUPPORTED) 384098b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_sRGB != MagickFalse) 38414eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38423b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 384398b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp "intent=%d (%s)", 384498b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp (int) intent, 384598b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent(intent)); 38463398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:sRGB",msg, 384798b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp exception); 38484eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38494eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38504eb3931feb349dd87142c78503b779228f3e1a0fglennrp 385198b83d44ee0acdfb9854edd714e4f2f4f0f787e4glennrp if (ping_found_gAMA != MagickFalse) 38524eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38533b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 385416ea139d53d867211d3bb0fa859a83de653f687ecristy "gamma=%.8g (See Gamma, above)", 385516ea139d53d867211d3bb0fa859a83de653f687ecristy file_gamma); 38563398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:gAMA",msg, 385716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38584eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 3859cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38604eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_pHYs_SUPPORTED) 3861cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp if (png_get_valid(ping,ping_info,PNG_INFO_pHYs)) 38624eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38633b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 386407523c7d2e40370804c2036295571e4b6426f94dglennrp "x_res=%.10g, y_res=%.10g, units=%d", 38654eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) x_resolution,(double) y_resolution, unit_type); 38663398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:pHYs",msg, 386716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38684eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38694eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 3870cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38714eb3931feb349dd87142c78503b779228f3e1a0fglennrp#if defined(PNG_oFFs_SUPPORTED) 38724eb3931feb349dd87142c78503b779228f3e1a0fglennrp if (png_get_valid(ping,ping_info,PNG_INFO_oFFs)) 38734eb3931feb349dd87142c78503b779228f3e1a0fglennrp { 38743b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent,"x_off=%.20g, y_off=%.20g", 38754eb3931feb349dd87142c78503b779228f3e1a0fglennrp (double) image->page.x,(double) image->page.y); 38763398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:oFFs",msg, 387716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 38784eb3931feb349dd87142c78503b779228f3e1a0fglennrp } 38794eb3931feb349dd87142c78503b779228f3e1a0fglennrp#endif 38804eb3931feb349dd87142c78503b779228f3e1a0fglennrp 3881fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 3882fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk read_tIME_chunk(image,ping,end_info,exception); 3883fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 3884fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 388507523c7d2e40370804c2036295571e4b6426f94dglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 388607523c7d2e40370804c2036295571e4b6426f94dglennrp (image->page.height != 0 && image->page.height != image->rows)) 388707523c7d2e40370804c2036295571e4b6426f94dglennrp { 38883b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(msg,MaxTextExtent, 388907523c7d2e40370804c2036295571e4b6426f94dglennrp "width=%.20g, height=%.20g", 389007523c7d2e40370804c2036295571e4b6426f94dglennrp (double) image->page.width,(double) image->page.height); 38913398b5b62521b49754d9391aae9e4511857bd63bglennrp (void) SetImageProperty(image,"png:vpAg",msg, 389216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 389307523c7d2e40370804c2036295571e4b6426f94dglennrp } 3894cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp } 3895cb395ac9c5c50c2829a9988f95fd8aea7af82c00glennrp 38963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 38973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 38983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 38993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_read_struct(&ping,&ping_info,&end_info); 39003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39010997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 39023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOnePNGImage()"); 39060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 3907868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 3908edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 3909edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 3910edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 3911edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block, revert to 3912edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 3913edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 3914edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 39153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 39163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* end of reading one PNG image */ 39183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 39193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39203ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 39213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 39223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 3923919429921a43880a338ed87e128d3b96219442efglennrp *image; 39243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 392621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 392721f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 39283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 39293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 39313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 39323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 39343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 39353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ssize_t 39373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 39383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 39413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 39433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 394447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->debug != MagickFalse) 39463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 39473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 394847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 39503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 3951fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadPNGImage()"); 395216ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 39533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 39543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 395547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 39573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(FileOpenError,"UnableToOpenFile"); 395847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify PNG signature. 39613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=ReadBlob(image,8,(unsigned char *) magic_number); 396347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 3964dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp if (count < 8 || memcmp(magic_number,"\211PNG\r\n\032\n",8) != 0) 39653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 396647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 39693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 397173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 397247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 39743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 397547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 39773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 39783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 39793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 39803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 39813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 39823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 39833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 39843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 398547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 39873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 39893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 39903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error"); 39910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 39923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 39933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 399447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 399647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 39973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns == 0) || (image->rows == 0)) 39983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 39993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 40003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 40013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadPNGImage() with error."); 40020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 40043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 400547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 400672715f5c299a6482f8eb175070b056d77b74a43fcristy if ((IssRGBColorspace(image->colorspace) != MagickFalse) && 40073d627862fb79aad8a20be4f1587f0b8761db441aglennrp ((image->gamma < .45) || (image->gamma > .46)) && 40083d627862fb79aad8a20be4f1587f0b8761db441aglennrp !(image->chromaticity.red_primary.x>0.6399f && 40093d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.x<0.6401f && 40103d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y>0.3299f && 40113d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.red_primary.y<0.3301f && 40123d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x>0.2999f && 40133d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.x<0.3001f && 40143d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y>0.5999f && 40153d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.green_primary.y<0.6001f && 40163d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x>0.1499f && 40173d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.x<0.1501f && 40183d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y>0.0599f && 40193d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.blue_primary.y<0.0601f && 40203d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x>0.3126f && 40213d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.x<0.3128f && 40223d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y>0.3289f && 40233d627862fb79aad8a20be4f1587f0b8761db441aglennrp image->chromaticity.white_point.y<0.3291f)) 4024ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4025ccc36af759d30fb50b1deda241d038402a393b17glennrp SetImageColorspace(image,RGBColorspace,exception); 4026ccc36af759d30fb50b1deda241d038402a393b17glennrp } 402772715f5c299a6482f8eb175070b056d77b74a43fcristy 40283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 4029ccc36af759d30fb50b1deda241d038402a393b17glennrp { 4030ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4031ccc36af759d30fb50b1deda241d038402a393b17glennrp " page.w: %.20g, page.h: %.20g,page.x: %.20g, page.y: %.20g.", 4032ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.width,(double) image->page.height, 4033ccc36af759d30fb50b1deda241d038402a393b17glennrp (double) image->page.x,(double) image->page.y); 4034ccc36af759d30fb50b1deda241d038402a393b17glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4035ccc36af759d30fb50b1deda241d038402a393b17glennrp " image->colorspace: %d", (int) image->colorspace); 4036ccc36af759d30fb50b1deda241d038402a393b17glennrp } 403797f90e23c85b9c58387880125c29d8c99126f83aglennrp 403897f90e23c85b9c58387880125c29d8c99126f83aglennrp if (logging != MagickFalse) 40393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadPNGImage()"); 40400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 40413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 40423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 40433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 40473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 40483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d O n e J N G I m a g e % 40533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 40563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 40573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadOneJNGImage() reads a JPEG Network Graphics (JNG) image file 40593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (minus the 8-byte signature) and returns it. It allocates the memory 40603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 40613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 40623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 40643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadOneJNGImage method is: 40663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadOneJNGImage(MngInfo *mng_info, const ImageInfo *image_info, 40683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 40693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 40713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o mng_info: Specifies a pointer to a MngInfo structure. 40733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 40753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 40773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 40783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 40793ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadOneJNGImage(MngInfo *mng_info, 40803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const ImageInfo *image_info, ExceptionInfo *exception) 40813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 40823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 40833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image, 40843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image, 40853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 40863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jng_image; 40873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 40893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *alpha_image_info, 40903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *color_image_info; 40913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40924383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 40934383ec8c3c8811128f5a8a034d67c47db5e7e75acristy logging; 40944383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 4095bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 40963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 40973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 40983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 40993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 41003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 41023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height, 41033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width; 41043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 41063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 41073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth, 41083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method, 41093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method, 41103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 41113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 41123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method, 41133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method; 41143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 411516ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 41163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *s; 41173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4118bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 41193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 41203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 41213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 412216ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 41233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 41243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 41263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 41273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP, 4130e0421fec74bee9a6f9def3d51aed4204f970ad73glennrp reading_idat; 41313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4132bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 41333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 41343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=0; 41363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 41373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=0; 41383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_height=0; 41393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_width=0; 41403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=(Image *) NULL; 41413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=(Image *) NULL; 41423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) NULL; 41433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=(ImageInfo *) NULL; 41443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 4146fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter ReadOneJNGImage()"); 41473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 41490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 415016ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 41513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 41543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 41563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 41573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " AcquireNextImage()"); 41580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 415916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 41600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 41623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 41630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 41653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 41663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 41673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Signature bytes have already been read. 41703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickFalse; 41733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickFalse; 41743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (;;) 41753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 41763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 41773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 41783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 41803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 41813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 41833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 41843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 41863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new JNG chunk. 41873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 41883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 41893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 41900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 41923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 41930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 41943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 41953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 41963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 41973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(unsigned int) ReadBlob(image,4,(unsigned char *) type); 41983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 41993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 4201e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading JNG chunk type %c%c%c%c, length: %.20g", 4202e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 42033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX || count == 0) 42056af512ae5eeeed8effd9af4d57aab7caf74c65eddirk ThrowReaderException(CorruptImageError,"CorruptImage"); 42060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 42083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 420947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42108fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 42130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 42153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 42160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4217bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 42183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 42190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 42203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 42213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 422247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 42243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 42263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 16) 42283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 4230e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[2] << 8) | p[3]); 4231bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy jng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 4232e2440c250d94d64f8c70e596fe90808795aaa07ecristy (p[6] << 8) | p[7]); 4233e2440c250d94d64f8c70e596fe90808795aaa07ecristy if ((jng_width == 0) || (jng_height == 0)) 4234e2440c250d94d64f8c70e596fe90808795aaa07ecristy ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); 42353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=p[8]; 42363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_sample_depth=p[9]; 42373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method=p[10]; 42383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_interlace_method=p[11]; 423947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->interlace=jng_image_interlace_method != 0 ? PNGInterlace : 42413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy NoInterlace; 424247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=p[12]; 42443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method=p[13]; 42453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_filter_method=p[14]; 42463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method=p[15]; 424747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 42493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42512dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_width: %16lu, jng_height: %16lu\n" 42522dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_color_type: %16d, jng_image_sample_depth: %3d\n" 42533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_image_compression_method:%3d", 42542dd1906783a5ece58a6105b4f59239e28b13caddglennrp (unsigned long) jng_width, (unsigned long) jng_height, 42552dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_color_type, jng_image_sample_depth, 42563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image_compression_method); 425747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42592dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_image_interlace_method: %3d" 42603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_sample_depth: %3d", 42612dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_image_interlace_method, 42623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth); 426347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 42652dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_compression_method:%3d\n" 42662dd1906783a5ece58a6105b4f59239e28b13caddglennrp " jng_alpha_filter_method: %3d\n" 42673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " jng_alpha_interlace_method: %3d", 42682dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_compression_method, 42692dd1906783a5ece58a6105b4f59239e28b13caddglennrp jng_alpha_filter_method, 42703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_interlace_method); 42713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 427347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42748fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 42753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 427647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 42783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 42793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 42813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((reading_idat == MagickFalse) && (read_JSEP == MagickFalse) && 42823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((memcmp(type,mng_JDAT,4) == 0) || (memcmp(type,mng_JdAA,4) == 0) || 42833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (memcmp(type,mng_IDAT,4) == 0) || (memcmp(type,mng_JDAA,4) == 0))) 42843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 42853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 42863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o create color_image 42873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o open color_blob, attached to color_image 42883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color type has alpha) 42893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy open alpha_blob, attached to alpha_image 42903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 42913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 429273bd4a51b419e914565bdf204bf1540dc4c8ee26cristy color_image_info=(ImageInfo *)AcquireMagickMemory(sizeof(ImageInfo)); 429347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image_info == (ImageInfo *) NULL) 42953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 429647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 42973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(color_image_info); 429816ea139d53d867211d3bb0fa859a83de653f687ecristy color_image=AcquireImage(color_image_info,exception); 42990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (color_image == (Image *) NULL) 43013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating color_blob."); 43060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(color_image->filename); 43083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(color_image_info,color_image,WriteBinaryBlobMode, 43093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_info->ping == MagickFalse) && (jng_color_type >= 12)) 43153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=(ImageInfo *) 431773bd4a51b419e914565bdf204bf1540dc4c8ee26cristy AcquireMagickMemory(sizeof(ImageInfo)); 43180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image_info == (ImageInfo *) NULL) 43203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 43210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageInfo(alpha_image_info); 432316ea139d53d867211d3bb0fa859a83de653f687ecristy alpha_image=AcquireImage(alpha_image_info,exception); 43240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (alpha_image == (Image *) NULL) 43263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 43283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 43293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 43303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating alpha_blob."); 43350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(alpha_image->filename); 43373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(alpha_image_info,alpha_image,WriteBinaryBlobMode, 43383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 43390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 43413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 43420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 43443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 43463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[18]; 43473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing IHDR chunk to alpha_blob."); 43510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,8,(const unsigned char *) 43533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "\211PNG\r\n\032\n"); 43540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 43553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,13L); 43563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IHDR); 435703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IHDR,13L); 43583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+4,jng_width); 43593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(data+8,jng_height); 43603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[12]=jng_alpha_sample_depth; 43613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[13]=0; /* color_type gray */ 43623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[14]=0; /* compression method 0 */ 43633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[15]=0; /* filter_method 0 */ 43643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[16]=0; /* interlace_method 0 */ 43653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,17,data); 43663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,17)); 43673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reading_idat=MagickTrue; 43703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JDAT,4) == 0) 43733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 437447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk to color_image->blob */ 43753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAT chunk data to color_blob."); 43793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(color_image,length,chunk); 438147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43828fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 43833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 438447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 43853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 43863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 43873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IDAT,4) == 0) 43893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 43913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 43923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 439347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy IDAT header and chunk data to alpha_image->blob */ 43943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 43953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 43963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 43973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 43983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 43993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying IDAT chunk data to alpha_blob."); 44003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4401bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(alpha_image,(size_t) length); 44023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IDAT); 440303812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IDAT,length); 44043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 44053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image, 44073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crc32(crc32(0,data,4),chunk,(uInt) length)); 44083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44108fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_JDAA,4) == 0) || (memcmp(type,mng_JdAA,4) == 0)) 44173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 441847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Copy chunk data to alpha_image->blob */ 44193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 44213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 44233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 44243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying JDAA chunk data to alpha_blob."); 44253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,length,chunk); 44273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44298fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JSEP,4) == 0) 44363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_JSEP=MagickTrue; 44380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44398fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 44403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 44463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 2) 44483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=image->background_color.red; 44513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=image->background_color.red; 44523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 6) 44553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.red=ScaleCharToQuantum(p[1]); 44573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.green=ScaleCharToQuantum(p[3]); 44583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color.blue=ScaleCharToQuantum(p[5]); 44593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 44663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 44688182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->gamma=((float) mng_get_long(p))*0.00001; 44690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 44703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 44753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 44773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44788182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.x=0.00001*mng_get_long(p); 44798182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.white_point.y=0.00001*mng_get_long(&p[4]); 44808182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.x=0.00001*mng_get_long(&p[8]); 44818182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.red_primary.y=0.00001*mng_get_long(&p[12]); 44828182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.x=0.00001*mng_get_long(&p[16]); 44838182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.green_primary.y=0.00001*mng_get_long(&p[20]); 44848182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.x=0.00001*mng_get_long(&p[24]); 44858182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image->chromaticity.blue_primary.y=0.00001*mng_get_long(&p[28]); 44863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 448747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 44883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 44893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 44903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 44913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 44923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 44933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 44943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 1) 44953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4496e610a071534e448c46460a5aa39ede33bf56b329glennrp image->rendering_intent= 4497cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 4498da7803d6b1161960bc1e7db4d9718284c116fab8cristy image->gamma=1.000f/2.200f; 44993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.x=0.6400f; 45003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.red_primary.y=0.3300f; 45013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.x=0.3000f; 45023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.green_primary.y=0.6000f; 45033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.x=0.1500f; 45043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.blue_primary.y=0.0600f; 45053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.x=0.3127f; 45063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->chromaticity.white_point.y=0.3290f; 45073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 450847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_oFFs,4) == 0) 45143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45175eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.x=(ssize_t) mng_get_long(p); 45185eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp image->page.y=(ssize_t) mng_get_long(&p[4]); 45190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] != 0) 45213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x/=10000; 45233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y/=10000; 45243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 452647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45278fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 45343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 45363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 453716ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=(double) mng_get_long(p); 453816ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=(double) mng_get_long(&p[4]); 45393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) p[8] == PNG_RESOLUTION_METER) 45403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 45413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->units=PixelsPerCentimeterResolution; 454216ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.x=image->resolution.x/100.0f; 454316ea139d53d867211d3bb0fa859a83de653f687ecristy image->resolution.y=image->resolution.y/100.0f; 45443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if 0 45523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 45533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4554fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 45558fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 45613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45628fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 45633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 45643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4)) 45663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 45670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 45683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 45693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 45703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* IEND found */ 45733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 45753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finish up reading image data: 45763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o read main image from color_blob. 45783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close color_blob. 45803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o if (color_type has alpha) 45823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is PNG 45833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadPNG 45843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if alpha_encoding is JPEG 45853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read secondary image from alpha_blob via ReadJPEG 45863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o close alpha_blob. 45883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o copy intensity of secondary image into 459016ea139d53d867211d3bb0fa859a83de653f687ecristy alpha samples of main image. 45913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy o destroy the secondary image. 45933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 45943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 45953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(color_image); 459647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 45973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 45983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 45993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Reading jng_image from color_blob."); 46000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4601f0eec7524321f1be1bfe568a13ab7d4d0333c814cristy assert(color_image_info != (ImageInfo *) NULL); 46023b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(color_image_info->filename,MaxTextExtent,"%s", 46033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image->filename); 46040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info->ping=MagickFalse; /* To do: avoid this */ 46063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(color_image_info,exception); 46070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(color_image->filename); 46123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image=DestroyImage(color_image); 46133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy color_image_info=DestroyImageInfo(color_image_info); 46143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image == (Image *) NULL) 46163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 46173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 46203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Copying jng_image pixels to main image."); 46210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=jng_height; 46233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=jng_width; 46240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 4625bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 462716ea139d53d867211d3bb0fa859a83de653f687ecristy s=GetVirtualPixels(jng_image,0,y,image->columns,1,exception); 46283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 462916ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 463016ea139d53d867211d3bb0fa859a83de653f687ecristy { 463116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(jng_image,s),q); 463216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(jng_image,s),q); 463316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(jng_image,s),q); 463416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 463516ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 463616ea139d53d867211d3bb0fa859a83de653f687ecristy } 463747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 46383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 46430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 46453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type >= 12) 46473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method == 0) 46493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_byte 46513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data[5]; 46523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,0x00000000L); 46533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(data,mng_IEND); 465403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0L); 46553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(alpha_image,4,data); 46563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(alpha_image,crc32(0,data,4)); 46573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(alpha_image); 46600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 46623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 466316ea139d53d867211d3bb0fa859a83de653f687ecristy " Reading alpha from alpha_blob."); 46643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46653b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(alpha_image_info->filename,MaxTextExtent, 46663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",alpha_image->filename); 46673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 46683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=ReadImage(alpha_image_info,exception); 46690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 4671bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 46723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 46733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s=GetVirtualPixels(jng_image,0,y,image->columns,1, 467416ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 46753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 467647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 467717f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 467816ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 467916ea139d53d867211d3bb0fa859a83de653f687ecristy { 468016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 468116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 468216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 468316ea139d53d867211d3bb0fa859a83de653f687ecristy } 46840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 468616ea139d53d867211d3bb0fa859a83de653f687ecristy for (x=(ssize_t) image->columns; x != 0; x--) 46873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 468816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelRed(jng_image,s),q); 468916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != OpaqueAlpha) 46908a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=BlendPixelTrait; 469116ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 469216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(jng_image); 46933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 46953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 46963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 46973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 46983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(alpha_image->filename); 46993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image=DestroyImage(alpha_image); 47003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_image_info=DestroyImageInfo(alpha_image_info); 47013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_image != (Image *) NULL) 47023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_image=DestroyImage(jng_image); 47033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 470647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read the JNG image. */ 470747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 47083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->mng_type == 0) 47093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 47103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_width=jng_width; 47113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_height=jng_height; 47123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 47130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.width == 0 && image->page.height == 0) 47150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.width=jng_width; 47170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.height=jng_height; 47180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->page.x == 0 && image->page.y == 0) 47210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.x=mng_info->x_off[mng_info->object_id]; 47230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 47270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 47280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp image->page.y=mng_info->y_off[mng_info->object_id]; 47290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 47300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 47323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,2*TellBlob(image), 47333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2*GetBlobSize(image)); 47340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 47363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 47373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit ReadOneJNGImage()"); 47380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 47393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 47403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 47413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 47433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d J N G I m a g e % 47483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 47513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 47523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadJNGImage() reads a JPEG Network Graphics (JNG) image file 47543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (including the 8-byte signature) and returns it. It allocates the memory 47553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% necessary for the new Image structure and returns a pointer to the new 47563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image. 47573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 47593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadJNGImage method is: 47613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadJNGImage(const ImageInfo *image_info, ExceptionInfo 47633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% *exception) 47643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 47663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 47683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 47703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 47713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 47723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47733ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadJNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 47743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 47753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 47767ee973a2149db53911459cbf26f28eccdbc99efbglennrp *image; 47773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 477921f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 478021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 47813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 47823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 47843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 47853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 47873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 47883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 47903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 47913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 47923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 47933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 47943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 47953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 47963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 47973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 47983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 47993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4800fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadJNGImage()"); 480116ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 48023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 48033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 48040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 48063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"JNG") != 0) 48093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 481147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify JNG signature. */ 481247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 481447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48153b8763efd02f5343a141d40636f6a8dfdc2c7682glennrp if (count < 8 || memcmp(magic_number,"\213JNG\r\n\032\n",8) != 0) 48163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 48170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 481847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 481947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 482173bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(*mng_info)); 48220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 48243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 48250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 482647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 482747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 48293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 48303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 48323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 48333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 48340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 48363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 48423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 484447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 48453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 48463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 48473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 48493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "exit ReadJNGImage() with error"); 48500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 48523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 48530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 48553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadJNGImage()"); 48560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 48573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(image); 48583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 48593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 48603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48613ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 48623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 48633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 48643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy page_geometry[MaxTextExtent]; 48653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 48673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image, 48683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *previous; 48693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48704383ec8c3c8811128f5a8a034d67c47db5e7e75acristy MagickBooleanType 487121f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 487221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure; 48734383ec8c3c8811128f5a8a034d67c47db5e7e75acristy 48743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 48753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object, 48763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id, 48773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found, 48783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend; 48793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4880bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile ssize_t 48813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 48823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 48843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 48853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 48873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 48883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 48903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 48913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 48933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb, 48943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb, 48953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb; 48963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 48973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 489816ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 48993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color; 49003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 49033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 49043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4905bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 49063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 49073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 49093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 49103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4911bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 49123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level; 49133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile short 49153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop; 49163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 49193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 49203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 49233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 49243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=0, 49253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; /* 0: PNG or JNG; 1: MNG; 2: MNG-LC; 3: MNG-VLC */ 49273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 4928bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 49293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout, 49303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout, 49313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_height, 49333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_width, 49343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 49363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 493738ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp /* These delays are all measured in image ticks_per_second, 493838ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp * not in MNG ticks_per_second 493938ea08308f079e4d21ad8b8ac465dcc3e1d78458glennrp */ 4940bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 49413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay, 49423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay, 49433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay, 49443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay, 49453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 49463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers, 49473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 49483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=1, 49493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0, 49503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_height=0, 49513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy subframe_width=0; 49523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.top=0; 49543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.bottom=0; 49553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.left=0; 49563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb.right=0; 49573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.top=0; 49583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.bottom=0; 49593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.left=0; 49603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb.right=0; 49613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 496247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Open image file. */ 496347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 49653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 49663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image_info->filename); 49673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 49683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 4969fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter ReadMNGImage()"); 497016ea139d53d867211d3bb0fa859a83de653f687ecristy image=AcquireImage(image_info,exception); 49713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info=(MngInfo *) NULL; 49723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 49730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 49753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 49760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 49783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 49793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 498047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 498147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate a MngInfo structure. */ 498247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 498373bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 49840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 49853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 49863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 49870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 498847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize members of the MngInfo structure. */ 498947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 49903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 49913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 49923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 49933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 49943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 49953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 49963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 49973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magic_number[MaxTextExtent]; 49983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 499947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Verify MNG signature. */ 50003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,8,(unsigned char *) magic_number); 50013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(magic_number,"\212MNG\r\n\032\n",8) != 0) 50023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 500347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 500447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Initialize some nonzero members of the MngInfo structure. */ 50053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 50063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5007bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].right=(ssize_t) PNG_UINT_31_MAX; 5008bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->object_clip[i].bottom=(ssize_t) PNG_UINT_31_MAX; 50093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[0]=MagickTrue; 50113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 501247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickTrue; 50143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=0; 50153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickFalse; /* should be False when converting or mogrifying */ 50173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 50193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=0; 50203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=0; 50213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1; 50223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 50233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=0; 50243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 50253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 50263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 50273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=MagickFalse; 50293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 50313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color=image->background_color; 50323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=mng_info->frame; 50343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=mng_info->frame; 50353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 50363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 50383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[MaxTextExtent]; 50393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(image_info->magick,"MNG") == 0) 50413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 50433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *chunk; 50443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 50463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read a new chunk. 50473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 50483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[0]='\0'; 50493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(type,"errr",MaxTextExtent); 50503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=ReadBlobMSBLong(image); 50513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count=(size_t) ReadBlob(image,4,(unsigned char *) type); 50523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 50543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5055e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Reading MNG chunk type %c%c%c%c, length: %.20g", 5056e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy type[0],type[1],type[2],type[3],(double) length); 50573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > PNG_UINT_31_MAX) 50593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickFalse; 50600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (count == 0) 50623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"CorruptImage"); 50630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=NULL; 50653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) NULL; 50660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50678fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 50683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) AcquireQuantumMemory(length,sizeof(*chunk)); 507047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (chunk == (unsigned char *) NULL) 50723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 507347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5074bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 50753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[i]=(unsigned char) ReadBlobByte(image); 507647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 50773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=chunk; 50783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ReadBlobMSBLong(image); /* read crc word */ 50813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 50823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if !defined(JNG_SUPPORTED) 50833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_JHDR,4) == 0) 50843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 50860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->jhdr_warning == 0) 508816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 50893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"JNGCompressNotSupported","`%s'",image->filename); 50900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->jhdr_warning++; 50923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 50933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 50943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DHDR,4) == 0) 50953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 50963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 50970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 50983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->dhdr_warning == 0) 509916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 51003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DeltaPNGNotSupported","`%s'",image->filename); 51010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->dhdr_warning++; 51033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MEND,4) == 0) 51053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 510647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 51073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skip_to_iend) 51083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IEND,4) == 0) 51103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickFalse; 51110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51128fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 51133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 51173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skip to IEND."); 51180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 51203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MHDR,4) == 0) 51233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5124bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 51253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 51260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5127bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->mng_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 51283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 51290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 51313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5133e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG width: %.20g",(double) mng_info->mng_width); 51343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5135e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " MNG height: %.20g",(double) mng_info->mng_height); 51363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=8; 51398182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->ticks_per_second=(size_t) mng_get_long(p); 51400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second == 0) 51423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=0; 51430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 51453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=1UL*image->ticks_per_second/ 51463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second; 51470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 51493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy simplicity=0; 51500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 51523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 51533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=16; 51548182b0758e3429fb8dcd1700f09643fd4d80a41ccristy simplicity=(size_t) mng_get_long(p); 51553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=1; /* Full MNG */ 51580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 11) == 11)) 51603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=2; /* LC */ 51610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((simplicity != 0) && ((simplicity | 9) == 9)) 51633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_type=3; /* VLC */ 51640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 51663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type != 3) 51673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy insert_layers=MagickTrue; 51683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 516916ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 51703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 517147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 517216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 51730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 51753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 51760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 51783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 51793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 51803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 51813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->mng_width > 65535L) || 51823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height > 65535L)) 51833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit"); 51840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51853b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(page_geometry,MaxTextExtent, 5186e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy "%.20gx%.20g+0+0",(double) mng_info->mng_width,(double) 5187f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->mng_height); 51880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.left=0; 5190bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.right=(ssize_t) mng_info->mng_width; 51913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frame.top=0; 5192bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy mng_info->frame.bottom=(ssize_t) mng_info->mng_height; 51933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=default_fb=previous_fb=mng_info->frame; 51940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < MNG_MAX_OBJECTS; i++) 51963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_info->frame; 51970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 51983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 51993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_TERM,4) == 0) 52033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 52053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=0; 52063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 52088fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 52093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy repeat=p[0]; 52100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (repeat == 3) 52123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52138182b0758e3429fb8dcd1700f09643fd4d80a41ccristy final_delay=(png_uint_32) mng_get_long(&p[2]); 52148182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_iterations=(png_uint_32) mng_get_long(&p[6]); 52150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == PNG_UINT_31_MAX) 52173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_iterations=0; 52180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 52203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickTrue; 52213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5226280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " repeat=%d, final_delay=%.20g, iterations=%.20g", 5227280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp repeat,(double) final_delay, (double) image->iterations); 52283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 52313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_DEFI,4) == 0) 52343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 523616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"DEFI chunk found in MNG-VLC datastream","`%s'", 52383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=(p[0] << 8) | p[1]; 52410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 2 && object_id != 0) 524316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Nonzero object_id in MNG-LC datastream","`%s'", 52453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (object_id > MNG_MAX_OBJECTS) 52483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5250edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp Instead of using a warning we should allocate a larger 52513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo structure and continue. 52523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 525316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 52543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"object id too large","`%s'",image->filename); 52553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy object_id=MNG_MAX_OBJECTS; 52563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[object_id]) 52593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->frozen[object_id]) 52603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 526216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 52633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 52643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "DEFI cannot redefine a frozen MNG object","`%s'", 52653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 52663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 52673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 52700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 2) 52723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->invisible[object_id]=p[2]; 52730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object offset info. 52763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 52783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->x_off[object_id]=(ssize_t) ((p[4] << 24) | 52800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[5] << 16) | (p[6] << 8) | p[7]); 52810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp mng_info->y_off[object_id]=(ssize_t) ((p[8] << 24) | 52830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (p[9] << 16) | (p[10] << 8) | p[11]); 52840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 52863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 52873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5288280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " x_off[%d]: %.20g, y_off[%d]: %.20g", 5289280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->x_off[object_id], 5290280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp object_id,(double) mng_info->y_off[object_id]); 52913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 52930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 52943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 52953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Extract object clipping info. 52963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 52973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 27) 52983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[object_id]=mng_read_box(mng_info->frame,0, 52993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &p[12]); 53000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_bKGD,4) == 0) 53053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickFalse; 53070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 5) 53093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.red= 53113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.green= 53143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_global_bkgd.blue= 53173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_bkgd=MagickTrue; 53203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BACK,4) == 0) 53263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 53283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 53293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=p[6]; 53300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mandatory_back=0; 53330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mandatory_back && length > 5) 53353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.red= 53373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[0] << 8) | p[1])); 53380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.green= 53403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[2] << 8) | p[3])); 53410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_color.blue= 53433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ScaleShortToQuantum((unsigned short) ((p[4] << 8) | p[5])); 53440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 534516ea139d53d867211d3bb0fa859a83de653f687ecristy mng_background_color.alpha=OpaqueAlpha; 53463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 53493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 53503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_background_object=(p[7] << 8) | p[8]; 53513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 535647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PLTE,4) == 0) 53583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 535947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global PLTE. */ 536047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length && (length < 769)) 53623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->global_plte == (png_colorp) NULL) 53643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte=(png_colorp) AcquireQuantumMemory(256, 53653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sizeof(*mng_info->global_plte)); 53660fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5367bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) (length/3); i++) 53683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=p[3*i]; 53703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=p[3*i+1]; 53713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=p[3*i+2]; 53723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 537435ef824baa82511126ff0072ae30eee0da9c05a3cristy mng_info->global_plte_length=(unsigned int) (length/3); 53753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 53773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 53783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].red=i; 53803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].green=i; 53813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte[i].blue=i; 53823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 53830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53848fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 53853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=256; 53863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 53873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 53883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_plte_length=0; 53890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 53903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 53913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 53923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 539347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 53943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_tRNS,4) == 0) 53953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 53963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* read global tRNS */ 53973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 53983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 257) 5399bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 54003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=p[i]; 54013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_LOOSE 54033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for ( ; i < 256; i++) 54043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_trns[i]=255; 54053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 540612560f31d66b4ef4afdcff2c20807c555dcf2f7dcristy mng_info->global_trns_length=(unsigned int) length; 54073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_gAMA,4) == 0) 54113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 4) 54133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5414bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 54153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy igamma; 54163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54178182b0758e3429fb8dcd1700f09643fd4d80a41ccristy igamma=mng_get_long(p); 54183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_gamma=((float) igamma)*0.00001; 54193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickTrue; 54203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_gama=MagickFalse; 54240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_cHRM,4) == 0) 54303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 543147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read global cHRM */ 543247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length == 32) 54343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54358182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.x=0.00001*mng_get_long(p); 54368182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.white_point.y=0.00001*mng_get_long(&p[4]); 54378182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_info->global_chrm.red_primary.x=0.00001*mng_get_long(&p[8]); 54383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.red_primary.y=0.00001* 54398182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[12]); 54403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.x=0.00001* 54418182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[16]); 54423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.green_primary.y=0.00001* 54438182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[20]); 54443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.x=0.00001* 54458182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[24]); 54463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_chrm.blue_primary.y=0.00001* 54478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(&p[28]); 54483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickTrue; 54493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_chrm=MagickFalse; 545247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 545647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sRGB,4) == 0) 54583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global sRGB. 54613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54628fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5464e610a071534e448c46460a5aa39ede33bf56b329glennrp mng_info->global_srgb_intent= 5465cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]); 54663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickTrue; 54673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 54683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 54693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_srgb=MagickFalse; 547047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 54723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 547447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_iCCP,4) == 0) 54763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5477fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: */ 54783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 54793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 54803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read global iCCP. 54813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 54828fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 54833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 548447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 54863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 548747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 54883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_FRAM,4) == 0) 54893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 54903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type == 3) 549116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 54923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"FRAM chunk found in MNG-VLC datastream","`%s'", 54933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 54940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->framing_mode == 2) || (mng_info->framing_mode == 4)) 54963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 54970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 54983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 54993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_timeout=default_frame_timeout; 55003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=default_fb; 550147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55028fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 55033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p[0]) 55043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=p[0]; 55050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Framing_mode=%d",mng_info->framing_mode); 55090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 55113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 551247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Note the delay and frame clipping boundaries. */ 551347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* framing mode */ 551547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5516bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy while (*p && ((p-chunk) < (ssize_t) length)) 55173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name */ 551847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* frame name terminator */ 552047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 5521bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if ((p-chunk) < (ssize_t) (length-4)) 55223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 55243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay, 55253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout, 55263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping; 55273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 55283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_delay=(*p++); 55293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_timeout=(*p++); 55303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy change_clipping=(*p++); 55313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p++; /* change_sync */ 553247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay) 55343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55358182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay=1UL*image->ticks_per_second* 55368182b0758e3429fb8dcd1700f09643fd4d80a41ccristy mng_get_long(p); 55370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55388182b0758e3429fb8dcd1700f09643fd4d80a41ccristy if (mng_info->ticks_per_second != 0) 55398182b0758e3429fb8dcd1700f09643fd4d80a41ccristy frame_delay/=mng_info->ticks_per_second; 55400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5541bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5542bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_delay=PNG_UINT_31_MAX; 55430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_delay=frame_delay; 55460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5551e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_delay=%.20g",(double) frame_delay); 55523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 555347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_timeout) 55553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5556bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=1UL*image->ticks_per_second* 5557bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp mng_get_long(p); 55580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5559bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp if (mng_info->ticks_per_second != 0) 5560bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout/=mng_info->ticks_per_second; 55610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5562bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp else 5563bb010dd620d8cf1743e64bc12f83e2bf1ffeddddglennrp frame_timeout=PNG_UINT_31_MAX; 55640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_delay == 2) 55663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_frame_timeout=frame_timeout; 55670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 55690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5572e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Framing_timeout=%.20g",(double) frame_timeout); 55733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 557447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping) 55763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 55773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy fb=mng_read_box(previous_fb,(char) p[0],&p[1]); 55783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=17; 55793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_fb=fb; 55800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 55813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 55823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 55830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Frame_clip: L=%.20g R=%.20g T=%.20g B=%.20g", 5584e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.left,(double) fb.right,(double) fb.top, 5585e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) fb.bottom); 558647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 55873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (change_clipping == 2) 55883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default_fb=fb; 55893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 55923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=fb; 55933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clip=mng_minimum_box(fb,mng_info->frame); 55940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5595bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_width=(size_t) (mng_info->clip.right 55963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.left); 55970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 5598bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy subframe_height=(size_t) (mng_info->clip.bottom 55993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy -mng_info->clip.top); 56003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the frame if framing_mode is 4. 56023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 56043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5606e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " subframe_width=%.20g, subframe_height=%.20g",(double) 5607e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy subframe_width,(double) subframe_height); 56080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 4) && 56103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height)) 56113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 561247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 561316ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 56143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 561516ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 561647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 56183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 56203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 56213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 56223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 562347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 56253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 56280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 56303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 56323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 56333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 56343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 56373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 56380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 56403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 56413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 56423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 56433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 56443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 56453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 56468a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 56473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 564816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 56490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 56513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 56520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert backgd layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 5653e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 5654e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 56553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLIP,4) == 0) 56613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 56633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 56643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 56653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 56673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read CLIP. 56683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 56693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 56703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 567147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=(int) first_object; i <= (int) last_object; i++) 56733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 56753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 56773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box; 56783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 56793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy box=mng_info->object_clip[i]; 56803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_clip[i]=mng_read_box(box,(char) p[4],&p[5]); 56813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 568347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 56843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 56853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 56863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SAVE,4) == 0) 56883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 56903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i]) 56913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 56923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->frozen[i]=MagickTrue; 56933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 56943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ob[i] != (MngBuffer *) NULL) 56953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ob[i]->frozen=MagickTrue; 56963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 56973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 56980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 56998fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((memcmp(type,mng_DISC,4) == 0) || (memcmp(type,mng_SEEK,4) == 0)) 57063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 570747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Read DISC or SEEK. */ 570847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((length == 0) || !memcmp(type,mng_SEEK,4)) 57103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=1; i < MNG_MAX_OBJECTS; i++) 57123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5717bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 57183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy j; 57193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 5720bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (j=0; j < (ssize_t) length; j+=2) 57213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i=p[j] << 8 | p[j+1]; 57233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoDiscardObject(mng_info,i); 57243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57278fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 57283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 573247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MOVE,4) == 0) 57343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5735bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 57363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object, 57373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object; 57383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 573947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* read MOVE */ 574047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_object=(p[0] << 8) | p[1]; 57423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_object=(p[2] << 8) | p[3]; 5743bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=(ssize_t) first_object; i <= (ssize_t) last_object; i++) 57443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->exists[i] && !mng_info->frozen[i]) 57463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair; 57493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngPair 57513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair; 57523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.a=mng_info->x_off[i]; 57543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_pair.b=mng_info->y_off[i]; 57553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy new_pair=mng_read_pair(old_pair,(int) p[4],&p[5]); 57563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->x_off[i]=new_pair.a; 57573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->y_off[i]=new_pair.b; 57583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 576047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 57653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_LOOP,4) == 0) 57663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5767bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t loop_iters=1; 57683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 57693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=1; /* mark loop active */ 577047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 577147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Record starting point. */ 57728182b0758e3429fb8dcd1700f09643fd4d80a41ccristy loop_iters=mng_get_long(&chunk[1]); 57730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 57753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 5776e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " LOOP level %.20g has %.20g iterations ",(double) loop_level, 5777e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_iters); 57780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (loop_iters == 0) 57803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=loop_level; 57810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 57833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_jump[loop_level]=TellBlob(image); 57853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]=loop_iters; 57863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 57870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 57883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]=0; 57893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 57903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 57913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 579247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_ENDL,4) == 0) 57943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=chunk[0]; 579647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 57973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop > 0) 57983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 57993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (skipping_loop == loop_level) 58003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Found end of zero-iteration loop. 58033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skipping_loop=(-1); 58053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 580847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[loop_level] == 1) 58123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_count[loop_level]--; 58143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_iteration[loop_level]++; 58150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 58173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 58180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " ENDL: LOOP level %.20g has %.20g remaining iters ", 5819e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) loop_level,(double) 5820f2faecf9facdbbb14fcba373365f9f691a9658e0cristy mng_info->loop_count[loop_level]); 582147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_count[loop_level] != 0) 58233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,mng_info->loop_jump[loop_level], 58253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SEEK_SET); 58260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 58283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError, 58293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "ImproperImageHeader"); 58303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 583147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 58353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level; 58363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 58383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Finished loop. 58393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 58403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->loop_active[loop_level]=0; 58413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(-1); 58423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < loop_level; i++) 58433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->loop_active[i] == 1) 58443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy last_level=(short) i; 58453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy loop_level=last_level; 58463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 58483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 584947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 58513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 58523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 585347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_CLON,4) == 0) 58553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->clon_warning == 0) 585716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 58583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"CLON is not implemented yet","`%s'", 58593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 586047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->clon_warning++; 58623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 586347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_MAGN,4) == 0) 58653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 58663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 58673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first, 58683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last, 58693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb, 58703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml, 58713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr, 58723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt, 58733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx, 58743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my, 58753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx, 58763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy; 58773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 58783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 1) 58793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=(p[0] << 8) | p[1]; 58800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_first=0; 58830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 3) 58853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=(p[2] << 8) | p[3]; 58860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 58873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 58883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_last=magn_first; 58893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef MNG_OBJECT_BUFFERS 58903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first || magn_last) 58913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 58923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 589316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 58943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 58953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MAGN is not implemented yet for nonzero objects", 58963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image->filename); 589747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 58983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 58993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 4) 59023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=p[4]; 590347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=0; 59063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 6) 59083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=(p[5] << 8) | p[6]; 590947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 591247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mx == 0) 59143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mx=1; 59153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 59173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=(p[7] << 8) | p[8]; 591847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=magn_mx; 592147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_my == 0) 59233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_my=1; 59243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 10) 59263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=(p[9] << 8) | p[10]; 592747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=magn_mx; 593047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_ml == 0) 59323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_ml=1; 59333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 12) 59353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=(p[11] << 8) | p[12]; 593647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=magn_mx; 593947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mr == 0) 59413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mr=1; 59423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 14) 59443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=(p[13] << 8) | p[14]; 594547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=magn_my; 594847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mt == 0) 59503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mt=1; 59513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 16) 59533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=(p[15] << 8) | p[16]; 595447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=magn_my; 595747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_mb == 0) 59593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_mb=1; 59603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 59613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 59623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=p[17]; 596347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 59653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=magn_methx; 59663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 596747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx > 5 || magn_methy > 5) 59693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_warning == 0) 59703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 597116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 59723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetMagickModule(),CoderError, 59733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Unknown MAGN method in MNG datastream","`%s'", 59743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 597547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_warning++; 59773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_OBJECT_BUFFERS 59793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Magnify existing objects in the range magn_first to magn_last */ 59803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 59813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_first == 0 || magn_last == 0) 59823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Save the magnification factors for object 0 */ 59843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mb=magn_mb; 59853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_ml=magn_ml; 59863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mr=magn_mr; 59873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mt=magn_mt; 59883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_mx=magn_mx; 59893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_my=magn_my; 59903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methx=magn_methx; 59913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->magn_methy=magn_methy; 59923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 59933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 599447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 59953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_PAST,4) == 0) 59963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 59973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->past_warning == 0) 599816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 59993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"PAST is not implemented yet","`%s'", 60003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 600147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->past_warning++; 60033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 600447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_SHOW,4) == 0) 60063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->show_warning == 0) 600816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"SHOW is not implemented yet","`%s'", 60103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 601147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->show_warning++; 60133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 601447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_sBIT,4) == 0) 60163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 4) 60183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickFalse; 601947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.gray=p[0]; 60233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.red=p[0]; 60243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.green=p[1]; 60253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.blue=p[2]; 60263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_sbit.alpha=p[3]; 60273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_sbit=MagickTrue; 60283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYs,4) == 0) 60313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 8) 60333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_x_pixels_per_unit= 60358182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(p); 60363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_y_pixels_per_unit= 60378182b0758e3429fb8dcd1700f09643fd4d80a41ccristy (size_t) mng_get_long(&p[4]); 60383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->global_phys_unit_type=p[8]; 60393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickTrue; 60403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 604147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_global_phys=MagickFalse; 60443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_pHYg,4) == 0) 60463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->phyg_warning == 0) 604816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"pHYg is not implemented.","`%s'",image->filename); 605047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->phyg_warning++; 60523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 60533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_BASI,4) == 0) 60543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 605647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->basi_warning == 0) 605816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 60593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"BASI is not implemented yet","`%s'", 60603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->filename); 606147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->basi_warning++; 60633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_BASI_SUPPORTED 6064bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_width=(size_t) ((p[0] << 24) | (p[1] << 16) | 60653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[2] << 8) | p[3]); 6066bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy basi_height=(size_t) ((p[4] << 24) | (p[5] << 16) | 60673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (p[6] << 8) | p[7]); 60683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_color_type=p[8]; 60693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_compression_method=p[9]; 60703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_filter_type=p[10]; 60713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_interlace_method=p[11]; 60723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 11) 60733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=(p[12] << 8) & p[13]; 607447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_red=0; 607747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 13) 60793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=(p[14] << 8) & p[15]; 608047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_green=0; 608347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 15) 60853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=(p[16] << 8) & p[17]; 608647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_blue=0; 608947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 17) 60913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=(p[18] << 8) & p[19]; 609247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 60933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 60953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (basi_sample_depth == 16) 60963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=65535L; 60973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 60983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_alpha=255; 60993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 610047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length > 19) 61023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=p[20]; 610347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy basi_viewable=0; 610647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 611147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) 61133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 61143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy && memcmp(type,mng_JHDR,4) 61153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ) 61173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Not an IHDR or JHDR chunk */ 61198fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (length != 0) 61203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 612147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Process IHDR */ 61253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing %c%c%c%c chunk",type[0],type[1],type[2],type[3]); 612847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->exists[object_id]=MagickTrue; 61303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->viewable[object_id]=MagickTrue; 613147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->invisible[object_id]) 61333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 61353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 61363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Skipping invisible object"); 613747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy skip_to_iend=MagickTrue; 61393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy continue; 61413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (length < 8) 61443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 614547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61468182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_width=(size_t) mng_get_long(p); 61478182b0758e3429fb8dcd1700f09643fd4d80a41ccristy image_height=(size_t) mng_get_long(&p[4]); 61483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 61493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk=(unsigned char *) RelinquishMagickMemory(chunk); 61503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 61513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a transparent background layer behind the entire animation 61533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if it is not full screen. 61543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 61553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 61563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && mng_type && first_mng_object) 61573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->clip.left > 0) || (mng_info->clip.top > 0) || 61593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_width < mng_info->mng_width) || 6160bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.right < (ssize_t) mng_info->mng_width) || 61613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_height < mng_info->mng_height) || 6162bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (mng_info->clip.bottom < (ssize_t) mng_info->mng_height)) 61633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 616416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 61653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 61673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 61683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 616916ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 617047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 61723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 61743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 61753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 61763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 617747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 61793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 61803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 618147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 61833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 61843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 61853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 61863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 61873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 618847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 61903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 619147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 619247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Make a background rectangle. */ 619347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 61943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 61953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 61963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 61973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 61983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 61993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 62003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 62013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 620216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6205e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Inserted transparent background layer, W=%.20g, H=%.20g", 6206e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->mng_width,(double) mng_info->mng_height); 62073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer behind the upcoming image if 62113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy framing_mode is 3, and we haven't already inserted one. 62123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 62133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && (mng_info->framing_mode == 3) && 62143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (subframe_width) && (subframe_height) && (simplicity == 0 || 62153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (simplicity & 0x08))) 62163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 621716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 622216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 622347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 623047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 62403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 624547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 62473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=subframe_width; 62483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=subframe_height; 62493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=subframe_width; 62503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=subframe_height; 62513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->clip.left; 62523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->clip.top; 62533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 62548a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 625516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 62560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 62583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 62590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Insert background layer, L=%.20g, R=%.20g T=%.20g, B=%.20g", 6260e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.left,(double) mng_info->clip.right, 6261e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) mng_info->clip.top,(double) mng_info->clip.bottom); 62623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif /* MNG_INSERT_LAYERS */ 62643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy first_mng_object=MagickFalse; 626547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 626616ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 62673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 62693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 62703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 627116ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 627247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 62743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 62763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 62773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 62783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 627947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 62803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 62813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 62833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 62843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 62850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 62873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 62880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (term_chunk_found) 62903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 62913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 62923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy term_chunk_found=MagickFalse; 62933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 62940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 62963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickFalse; 62970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 62983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->framing_mode == 1 || mng_info->framing_mode == 3) 62993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=frame_delay; 63013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy frame_delay=default_frame_delay; 63023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=0; 63060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 63083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 63093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=mng_info->x_off[object_id]; 63103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=mng_info->y_off[object_id]; 63113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 631247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 63143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Seek back to the beginning of the IHDR or JHDR chunk's length field. 63153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 631647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Seeking back to beginning of %c%c%c%c chunk",type[0],type[1], 63203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy type[2],type[3]); 632147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6322bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy offset=SeekBlob(image,-((ssize_t) length+12),SEEK_CUR); 632347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 63253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 63263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous=image; 63293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->mng_type=mng_type; 63313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->object_id=object_id; 63323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (memcmp(type,mng_IHDR,4) == 0) 63343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOnePNGImage(mng_info,image_info,exception); 633547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 63373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=ReadOneJNGImage(mng_info,image_info,exception); 63393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 63403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image == (Image *) NULL) 63423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (IsImageObject(previous) != MagickFalse) 63443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) DestroyImageList(previous); 63463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(previous); 63473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 634847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns == 0 || image->rows == 0) 63543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 63563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 63573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 63583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 63593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 63600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 63613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 63623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_type) 63643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngBox 63663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box; 63673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx || mng_info->magn_methy) 63693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 63713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height, 63723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width; 63733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 63753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 63763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Processing MNG MAGN chunk"); 63773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 63783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methx == 1) 63793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width=mng_info->magn_ml; 638147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 63833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr; 638447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 638647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 638747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-2)*(mng_info->magn_mx)); 63883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 638947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 63913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 63924e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_width=(png_uint_32) image->columns; 639347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 1) 63953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_ml-1; 639647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 63973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 2) 63983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width += mng_info->magn_mr-1; 639947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->columns > 3) 640147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_width += (png_uint_32) 640247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->columns-3)*(mng_info->magn_mx-1)); 64033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 640447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->magn_methy == 1) 64063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height=mng_info->magn_mt; 640847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb; 641147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 641347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 641447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-2)*(mng_info->magn_my)); 64153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 641647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 64183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64194e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy magnified_height=(png_uint_32) image->rows; 642047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 1) 64223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mt-1; 642347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 2) 64253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_height += mng_info->magn_mb-1; 642647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rows > 3) 642847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp magnified_height += (png_uint_32) 642947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp ((image->rows-3)*(mng_info->magn_my-1)); 64303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 643147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magnified_height > image->rows || 64333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magnified_width > image->columns) 64343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 64363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *large_image; 64373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 64393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy; 64403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 644116ea139d53d867211d3bb0fa859a83de653f687ecristy Quantum 644216ea139d53d867211d3bb0fa859a83de653f687ecristy *next, 644316ea139d53d867211d3bb0fa859a83de653f687ecristy *prev; 644416ea139d53d867211d3bb0fa859a83de653f687ecristy 644516ea139d53d867211d3bb0fa859a83de653f687ecristy png_uint_16 644616ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methx, 644716ea139d53d867211d3bb0fa859a83de653f687ecristy magn_methy; 644816ea139d53d867211d3bb0fa859a83de653f687ecristy 6449bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 64503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m, 64513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 64523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 645316ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 64543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *n, 64553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 64563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 645716ea139d53d867211d3bb0fa859a83de653f687ecristy register ssize_t 645816ea139d53d867211d3bb0fa859a83de653f687ecristy x; 64593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 646047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp /* Allocate next image structure. */ 646147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 64633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 64643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocate magnified image"); 646547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 646616ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 646747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 64683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 64693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 64713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 64723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 64733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 64743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image=SyncNextImageInList(image); 64763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->columns=magnified_width; 64783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy large_image->rows=magnified_height; 64793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=mng_info->magn_methx; 64813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=mng_info->magn_methy; 64823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 64833faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 64843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM unsigned short 64853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 64863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 64883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Scale pixels to unsigned shorts to prevent 64893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy overflow of intermediate values of interpolations 64903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6491bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 64923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 64933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1, 64943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 649547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6496bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 64973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 649816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleQuantumToShort( 649916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 650016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleQuantumToShort( 650116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 650216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleQuantumToShort( 650316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 650416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleQuantumToShort( 650516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 650616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 65073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 650847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 65103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 65113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 65143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define QM Quantum 65153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 65163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 651717f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 651816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 651947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 65213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 652216ea139d53d867211d3bb0fa859a83de653f687ecristy large_image->background_color.alpha=OpaqueAlpha; 652316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(large_image,exception); 652447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 65263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=2; 652747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 65293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methx=3; 653047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 65323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=2; 653347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 65353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy magn_methy=3; 65363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 65373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the rows into the right side of the large image */ 65393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 65403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 65413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6542e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the rows to %.20g",(double) large_image->rows); 6543bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 65443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy yy=0; 65454f7c434c6c7047588b48a5b71281f9ecf4c9d1accristy length=(size_t) GetPixelChannels(image)*image->columns; 654616ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) AcquireQuantumMemory(length,sizeof(*next)); 654716ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) AcquireQuantumMemory(length,sizeof(*prev)); 654847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 654916ea139d53d867211d3bb0fa859a83de653f687ecristy if ((prev == (Quantum *) NULL) || 655016ea139d53d867211d3bb0fa859a83de653f687ecristy (next == (Quantum *) NULL)) 65513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 65533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 65543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError, 65553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "MemoryAllocationFailed"); 65563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 655747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,0,image->columns,1,exception); 65593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 656047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6561bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 65623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (y == 0) 6564bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mt; 656547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6566bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-2) 6567bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 656847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6569bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy <= 1 && y == (ssize_t) image->rows-1) 6570bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mb; 657147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6572bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methy > 1 && y == (ssize_t) image->rows-1) 65733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 657447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6576bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_my; 657747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=prev; 65793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy prev=next; 65803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=n; 658147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6582bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (y < (ssize_t) image->rows-1) 65833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 65843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=GetAuthenticPixels(image,0,y+1,image->columns,1, 65853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy exception); 65863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickMemory(next,n,length); 65873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 658847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 65893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++, yy++) 65903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 659116ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 65923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 65933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6594bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy assert(yy < (ssize_t) large_image->rows); 65953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=prev; 65963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy n=next; 65973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(large_image,0,yy,large_image->columns, 65989fff7b4fa7d657da7bfed66239982b85c6337de9cristy 1,exception); 659916ea139d53d867211d3bb0fa859a83de653f687ecristy q+=(large_image->columns-image->columns)* 660016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelChannels(large_image); 660147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6602bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 66033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6604fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: get color as function of indexes[x] */ 66053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 66063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->storage_class == PseudoClass) 66073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 66103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 66113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy <= 1) 66123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6613bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /* replicate previous */ 661416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,pixels),q); 661516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 661616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 661716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 661816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 661916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 662016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 662247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methy == 2 || magn_methy == 4) 66243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6626bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 662716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 662816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 662916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 663016ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 663116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 663216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 663316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 663416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6635bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 663647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 66383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 664016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,((QM) (((ssize_t) 664116ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelRed(image,n) 664216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels)+m))/ 6643bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 664416ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelRed(image,pixels)))),q); 664516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,((QM) (((ssize_t) 664616ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelGreen(image,n) 664716ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels)+m))/ 6648bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 664916ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelGreen(image,pixels)))),q); 665016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,((QM) (((ssize_t) 665116ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelBlue(image,n) 665216ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels)+m))/ 6653bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 665416ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelBlue(image,pixels)))),q); 665547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 665617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 665716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image, ((QM) (((ssize_t) 665816ea139d53d867211d3bb0fa859a83de653f687ecristy (2*i*(GetPixelAlpha(image,n) 665916ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)+m)) 6660bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 666116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)))),q); 66623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 666347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 4) 66653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 666816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 666916ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 66703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 667116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 667216ea139d53d867211d3bb0fa859a83de653f687ecristy n),q); 66733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 66743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 667547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methy == 3 || magn_methy == 5) */ 66773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 66783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 66793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6680bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 668116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image, 668216ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 668316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image, 668416ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 668516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image, 668616ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 668716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image, 668816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels),q); 6689bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 669047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 66913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6692bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 669316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(large_image,GetPixelRed(image,n),q); 669416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(large_image,GetPixelGreen(image,n), 669516ea139d53d867211d3bb0fa859a83de653f687ecristy q); 669616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(large_image,GetPixelBlue(image,n), 669716ea139d53d867211d3bb0fa859a83de653f687ecristy q); 669816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,GetPixelAlpha(image,n), 669916ea139d53d867211d3bb0fa859a83de653f687ecristy q); 6700bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 670147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methy == 5) 67033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 670416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(large_image,(QM) (((ssize_t) (2*i* 670516ea139d53d867211d3bb0fa859a83de653f687ecristy (GetPixelAlpha(image,n) 670616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels)) 6707bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp +m))/((ssize_t) (m*2)) 670816ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 67093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 67103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 671116ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 671216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(large_image); 671316ea139d53d867211d3bb0fa859a83de653f687ecristy pixels+=GetPixelChannels(image); 67143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* x */ 671547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(large_image,exception) == 0) 67173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 671847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* i */ 67203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* y */ 672147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 672216ea139d53d867211d3bb0fa859a83de653f687ecristy prev=(Quantum *) RelinquishMagickMemory(prev); 672316ea139d53d867211d3bb0fa859a83de653f687ecristy next=(Quantum *) RelinquishMagickMemory(next); 67243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=image->columns; 67263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 67293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Delete original image"); 67303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy DeleteImageFromList(&image); 67323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=large_image; 67343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 67363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* magnify the columns */ 67383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 67393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 6740e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Magnify the columns to %.20g",(double) image->columns); 67413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6742bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 67433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 674416ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 67453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 67463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 67473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 674816ea139d53d867211d3bb0fa859a83de653f687ecristy pixels=q+(image->columns-length)*GetPixelChannels(image); 674916ea139d53d867211d3bb0fa859a83de653f687ecristy n=pixels+GetPixelChannels(image); 675047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6751bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) (image->columns-length); 6752bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy x < (ssize_t) image->columns; x++) 67533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 675416ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 67557c7b31566a7598be23cac1b5e32c697cfe7082f4glennrp 6756bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (x == (ssize_t) (image->columns-length)) 6757bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_ml; 675847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6759bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-2) 6760bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 676147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6762bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx <= 1 && x == (ssize_t) image->columns-1) 6763bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mr; 676447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6765bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy else if (magn_methx > 1 && x == (ssize_t) image->columns-1) 67663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy m=1; 676747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6769bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy m=(ssize_t) mng_info->magn_mx; 677047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < m; i++) 67723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx <= 1) 67743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* replicate previous */ 677616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 677716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 677816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 677916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 67803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 678147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 67823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (magn_methx == 2 || magn_methx == 4) 67833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i == 0) 6785bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 678616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 678716ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 678816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 678916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6790bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 679147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 679216ea139d53d867211d3bb0fa859a83de653f687ecristy /* To do: Rewrite using Get/Set***PixelChannel() */ 67933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 67943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 67953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 679616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,(QM) ((2*i*( 679716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,n) 679816ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelRed(image,pixels))+m) 6799bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 680016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,pixels)),q); 6801bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 680216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,(QM) ((2*i*( 680316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,n) 680416ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelGreen(image,pixels))+m) 6805bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 680616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,pixels)),q); 6807bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 680816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,(QM) ((2*i*( 680916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,n) 681016ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelBlue(image,pixels))+m) 6811bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 681216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,pixels)),q); 681317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 681416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,(QM) ((2*i*( 681516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n) 681616ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m) 6817bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp /((ssize_t) (m*2))+ 681816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)),q); 68193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 682047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 4) 68223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6825bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 682616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 682716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,pixels)+0,q); 6828bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6830bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 683116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 683216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,n)+0,q); 6833bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 68343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 683647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else /* if (magn_methx == 3 || magn_methx == 5) */ 68383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Replicate nearest */ 68403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i <= ((m+1) << 1)) 6841bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 684216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,pixels),q); 684316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,pixels),q); 684416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,pixels),q); 684516ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,pixels),q); 6846bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 684747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 6849bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp { 685016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,GetPixelRed(image,n),q); 685116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,GetPixelGreen(image,n),q); 685216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,GetPixelBlue(image,n),q); 685316ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,GetPixelAlpha(image,n),q); 6854bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 685547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx == 5) 68573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Interpolate */ 685916ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image, 686016ea139d53d867211d3bb0fa859a83de653f687ecristy (QM) ((2*i*( GetPixelAlpha(image,n) 686116ea139d53d867211d3bb0fa859a83de653f687ecristy -GetPixelAlpha(image,pixels))+m)/ 6862bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp ((ssize_t) (m*2)) 686316ea139d53d867211d3bb0fa859a83de653f687ecristy +GetPixelAlpha(image,pixels)),q); 68643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 686616ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 68673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 686816ea139d53d867211d3bb0fa859a83de653f687ecristy n+=GetPixelChannels(image); 68693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 687047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 68723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 68733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 68743faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 68753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (magn_methx != 1 || magn_methy != 1) 68763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 68783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Rescale pixels to Quantum 68793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6880bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 68813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 68823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 688347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 6884bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=(ssize_t) image->columns-1; x >= 0; x--) 68853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 688616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleShortToQuantum( 688716ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q)),q); 688816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelGreen(image,ScaleShortToQuantum( 688916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q)),q); 689016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelBlue(image,ScaleShortToQuantum( 689116ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q)),q); 689216ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,ScaleShortToQuantum( 689316ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q)),q); 689416ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 68953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 689647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 68973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 68983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 68993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished MAGN processing"); 69053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_box is with respect to the upper left corner of the MNG. 69103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.left=mng_info->image_box.left+mng_info->x_off[object_id]; 69123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.right=mng_info->image_box.right+mng_info->x_off[object_id]; 69133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.top=mng_info->image_box.top+mng_info->y_off[object_id]; 69143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box.bottom=mng_info->image_box.bottom+mng_info->y_off[object_id]; 69153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->clip); 69163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->frame); 69173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_box=mng_minimum_box(crop_box,mng_info->object_clip[object_id]); 69183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left != (mng_info->image_box.left 69193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.right != (mng_info->image_box.right 69213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->x_off[object_id])) || 69223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top != (mng_info->image_box.top 69233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id])) || 69243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.bottom != (mng_info->image_box.bottom 69253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy +mng_info->y_off[object_id]))) 69263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 69283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 69293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Crop the PNG image"); 693047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((crop_box.left < crop_box.right) && 69323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (crop_box.top < crop_box.bottom)) 69333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 69353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *im; 69363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy RectangleInfo 69383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info; 69393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Crop_info is with respect to the upper left corner of 69423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the image. 69433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.x=(crop_box.left-mng_info->x_off[object_id]); 69453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy crop_info.y=(crop_box.top-mng_info->y_off[object_id]); 6946bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.width=(size_t) (crop_box.right-crop_box.left); 6947bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy crop_info.height=(size_t) (crop_box.bottom-crop_box.top); 69483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=CropImage(image,&crop_info,exception); 695347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (im != (Image *) NULL) 69553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=im->columns; 69573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=im->rows; 69583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy im=DestroyImage(im); 69593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=image->columns; 69603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=image->rows; 69613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=crop_box.left; 69623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=crop_box.top; 69633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 696547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 69663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 69673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 69683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 69693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy No pixels in crop area. The MNG spec still requires 69703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy a layer, though, so make a single transparent pixel in 69713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the top left corner. 69723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 69733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=1; 69743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=1; 69753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->colors=2; 697616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 69773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=1; 69783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=1; 69793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 69803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 69813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifndef PNG_READ_EMPTY_PLTE_SUPPORTED 69843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=mng_info->image; 69853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 69863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 69873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 69882b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 69892b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 699016ea139d53d867211d3bb0fa859a83de653f687ecristy * if lossy. 69912b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 69922b013e4b9b602533eff410e61c3683fb2a3ab913glennrp if (image->depth > 16) 69932b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 69942b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 69952b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 69963faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 6997cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 6998cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 6999cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 7000cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 7001cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 7002cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 700316ea139d53d867211d3bb0fa859a83de653f687ecristy if (LosslessReduceDepthOK(image,exception) != MagickFalse) 70048640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 70053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 7006d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 70083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->scenes_found > 7010bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (ssize_t) (image_info->first_scene+image_info->number_scenes)) 70113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 70123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 7013d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading image datastream."); 7017d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp 70183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (LocaleCompare(image_info->magick,"MNG") == 0); 701947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 702147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Finished reading all image datastreams."); 702547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MNG_INSERT_LAYERS) 70273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers && !mng_info->image_found && (mng_info->mng_width) && 70283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->mng_height)) 70293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Insert a background layer if nothing else was found. 70323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 70333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No images found. Inserting a background layer."); 70360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 703716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetAuthenticPixelQueue(image) != (Quantum *) NULL) 70383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 70403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 70413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 704216ea139d53d867211d3bb0fa859a83de653f687ecristy AcquireNextImage(image_info,image,exception); 70433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 70443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 70463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 704747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 70503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Allocation failed, returning NULL."); 705147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 70533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 70553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->columns=mng_info->mng_width; 70573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows=mng_info->mng_height; 70583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.width=mng_info->mng_width; 70593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.height=mng_info->mng_height; 70603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.x=0; 70613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->page.y=0; 70623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->background_color=mng_background_color; 70638a46d827a124555f0c48fb2368ec1bba8e079ab6cristy image->alpha_trait=UndefinedPixelTrait; 70640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->ping == MagickFalse) 706616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageBackgroundColor(image,exception); 70670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image_found++; 70693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 70713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->iterations=mng_iterations; 70720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_iterations == 1) 70743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 70750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 70773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 70793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count > 10*mng_info->image_found) 70803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," No beginning"); 708347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 708416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 70853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted, beginning of list not found", 70863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 708747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 70883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 70893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 70900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 70920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 70933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 70943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 70953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 70963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Corrupt list"); 709747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 709816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 70993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"Linked list is corrupted; next_image is NULL","`%s'", 71003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 71013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 710347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second && mng_info->image_found > 1 && 71053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetNextImageInList(image) == 71063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (Image *) NULL) 71073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " First image null"); 711147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 711216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"image->next for first image is NULL but shouldn't be.", 71143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "`%s'",image_info->filename); 71153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 711647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->image_found == 0) 71183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " No visible images found."); 712247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 712316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 71243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy CoderError,"No visible images in file","`%s'",image_info->filename); 712547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image != (Image *) NULL) 71273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 712847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 71303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 71313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->ticks_per_second) 71343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=1UL*MagickMax(image->ticks_per_second,1L)* 71353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/mng_info->ticks_per_second; 71360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 71383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->start_loop=MagickTrue; 71390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Find final nonzero image delay */ 71413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=0; 71420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay) 71463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_image_delay=image->delay; 714747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay < final_image_delay) 71523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=final_image_delay; 71530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay=final_delay; 71550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7158e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image->delay=%.20g, final_delay=%.20g",(double) image->delay, 7159e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) final_delay); 71600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 71613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 71643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 71653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 71673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 716847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 71703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Before coalesce:"); 717147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7173e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g",(double) image->delay); 717447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 71763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 71783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7179e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g",(double) scene++,(double) image->delay); 71803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 71823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 71843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef MNG_COALESCE_LAYERS 71853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (insert_layers) 71863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 71873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 71883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image, 71893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 71903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7191bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 71923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 71933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 71943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 71953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule()," Coalesce Images"); 719647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 71973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=image->scene; 719816ea139d53d867211d3bb0fa859a83de653f687ecristy next_image=CoalesceImages(image,exception); 719947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 720247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 72043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 720547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next=image; next != (Image *) NULL; next=next_image) 72073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.width=mng_info->mng_width; 72093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.height=mng_info->mng_height; 72103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.x=0; 72113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->page.y=0; 72123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->scene=scene++; 72133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next); 721447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image == (Image *) NULL) 72163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 721747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->delay == 0) 72193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene--; 72213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->previous=GetPreviousImageInList(next); 72223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetPreviousImageInList(next) == (Image *) NULL) 72233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=next_image; 72243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 72253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next->previous->next=next_image; 72263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=DestroyImage(next); 72273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 72303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 72333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetNextImageInList(image); 723447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->dispose=BackgroundDispose; 72363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 72393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 72403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 72413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 72433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 724447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 72463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " After coalesce:"); 724747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7249e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene 0 delay=%.20g dispose=%.20g",(double) image->delay, 7250e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->dispose); 725147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetNextImageInList(image) != (Image *) NULL) 7253f2faecf9facdbbb14fcba373365f9f691a9658e0cristy { 7254f2faecf9facdbbb14fcba373365f9f691a9658e0cristy image=GetNextImageInList(image); 725547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7256f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 7257e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " scene %.20g delay=%.20g dispose=%.20g",(double) scene++, 7258e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) image->delay,(double) image->dispose); 7259f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 7260f2faecf9facdbbb14fcba373365f9f691a9658e0cristy } 726147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetFirstImageInList(image); 72633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 72643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 726547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 72673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit ReadMNGImage()"); 726847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 72703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 727125c1e2baba76d9cf3ec582f217f96af95259e747glennrp#else /* PNG_LIBPNG_VER > 10011 */ 72723ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadPNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 72733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 72743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 72753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 727647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 72783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "PNG library is too old","`%s'",image_info->filename); 727947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(Image *) NULL; 72813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 728247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 72833ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadMNGImage(const ImageInfo *image_info,ExceptionInfo *exception) 72843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 72853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(ReadPNGImage(image_info,exception)); 72863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 728725c1e2baba76d9cf3ec582f217f96af95259e747glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 72883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 72893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 72903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 72913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 72923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r P N G I m a g e % 72963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 72993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterPNGImage() adds properties for the PNG image format to 73023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The properties include the image format 73033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 73043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 73053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 73063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 73073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterPNGImage method is: 73093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7310bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterPNGImage(void) 73113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 73123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7313bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterPNGImage(void) 73143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 73153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 73163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy version[MaxTextExtent]; 73173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 73193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 73203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy static const char 73223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *PNGNote= 73233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/ for details about the PNG format." 73253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 732647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *JNGNote= 73283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the JNG\n" 73303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }, 733247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *MNGNote= 73343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "See http://www.libpng.org/pub/mng/ for details about the MNG\n" 73363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "format." 73373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy }; 73383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 734047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_LIBPNG_VER_STRING) 73423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"libpng ",MaxTextExtent); 73433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,PNG_LIBPNG_VER_STRING,MaxTextExtent); 734447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(PNG_LIBPNG_VER_STRING,png_get_header_ver(NULL)) != 0) 73463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 73473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 73483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,png_get_libpng_ver(NULL), 73493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MaxTextExtent); 73503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 73513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 735247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("MNG"); 73543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; /* To do: eliminate this. */ 735547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadMNGImage; 73583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteMNGImage; 73593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 736047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsMNG; 73623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Multiple-image Network Graphics"); 736347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 73653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 736647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7367afc97b1e31b78c973c4bf5e0be8d5090cfca8065glennrp entry->mime_type=ConstantString("video/x-mng"); 73683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 73693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(MNGNote); 73703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 73713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG"); 737347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 73763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 73773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 737847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 73803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 73813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Portable Network Graphics"); 7382d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 73833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 738447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 73863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 738747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(PNGNote); 73893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 73903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 73913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG8"); 739247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 73943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 73953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 73963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 739747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 73983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 73993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString( 74013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "8-bit indexed with optional binary transparency"); 7402d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG24"); 74073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *version='\0'; 740847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(ZLIB_VERSION) 74103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,"zlib ",MaxTextExtent); 74113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent); 741247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(ZLIB_VERSION,zlib_version) != 0) 74143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 74153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,",",MaxTextExtent); 74163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(version,zlib_version,MaxTextExtent); 74173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 74183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 741947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*version != '\0') 74213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->version=ConstantString(version); 742247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 742747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 7430fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 24-bit RGB"); 7431d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 74353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("PNG32"); 743647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WritePNGImage; 74403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 744147b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsPNG; 74433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 74443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("opaque or transparent 32-bit RGBA"); 7445d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 74473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 74483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7449fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG48"); 7450fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7451fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7452fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7453fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7454fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7455fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7456fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 7457fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7458fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or binary transparent 48-bit RGB"); 7459d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7460fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7461fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7462fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7463fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry=SetMagickInfo("PNG64"); 7464fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7465fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 7466fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 7467fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 7468fd164d2bf84b111e304959af5698757d60e9b8aeglennrp#endif 7469fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 7470fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 7471fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->adjoin=MagickFalse; 7472fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->description=ConstantString("opaque or transparent 64-bit RGBA"); 7473d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 7474fd164d2bf84b111e304959af5698757d60e9b8aeglennrp entry->module=ConstantString("PNG"); 7475fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) RegisterMagickInfo(entry); 7476fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 74775830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry=SetMagickInfo("PNG00"); 74785830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 74795830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#if defined(MAGICKCORE_PNG_DELEGATE) 74805830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->decoder=(DecodeImageHandler *) ReadPNGImage; 74815830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->encoder=(EncodeImageHandler *) WritePNGImage; 74825830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp#endif 74835830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 74845830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->magick=(IsImageFormatHandler *) IsPNG; 74855830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->adjoin=MagickFalse; 74866270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp entry->description=ConstantString( 74876270857991c1a3fb1d05e652e81835ee4fcf0a34glennrp "PNG inheriting bit-depth and color-type from original"); 7488d625c5209f3ea468a8494fb5a2a73ac36eead2b5cristy entry->mime_type=ConstantString("image/png"); 74895830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp entry->module=ConstantString("PNG"); 74905830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) RegisterMagickInfo(entry); 74915830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 74923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("JNG"); 749347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 74943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 74953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 74963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadJNGImage; 74973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteJNGImage; 74983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 74993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 750047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->magick=(IsImageFormatHandler *) IsJNG; 75023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 75033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("JPEG Network Graphics"); 75047fee329aec1090ff832c1b07fc4cc70c3b604f65glennrp entry->mime_type=ConstantString("image/x-jng"); 75053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("PNG"); 75063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->note=ConstantString(JNGNote); 75073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 750847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7509868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 75103d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy ping_semaphore=AcquireSemaphoreInfo(); 751118b17443128598500357da7bff2f01683cf32890cristy#endif 751247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 75133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 75143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r P N G I m a g e % 75223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage() removes format registrations made by the 75283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG module from the list of supported formats. 75293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterPNGImage method is: 75313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterPNGImage(void) 75333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 75353ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterPNGImage(void) 75363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 75373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("MNG"); 75383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG"); 75393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG8"); 75403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG24"); 75413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("PNG32"); 7542fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG48"); 7543fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (void) UnregisterMagickInfo("PNG64"); 75445830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp (void) UnregisterMagickInfo("PNG00"); 75453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("JNG"); 754647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7547868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 7548cf002022280cc4dedb2748ad6f415aac1d44f530glennrp if (ping_semaphore != (SemaphoreInfo *) NULL) 75493d162a93f537cb7cbb6d9fa3b8e73e8f992a527acristy RelinquishSemaphoreInfo(&ping_semaphore); 75503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 75513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 75523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 75533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(MAGICKCORE_PNG_DELEGATE) 755425c1e2baba76d9cf3ec582f217f96af95259e747glennrp#if PNG_LIBPNG_VER > 10011 75553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 75563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e M N G I m a g e % 75613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 75643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 75653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteMNGImage() writes an image in the Portable Network Graphics 75673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Group's "Multiple-image Network Graphics" encoded image format. 75683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 75703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteMNGImage method is: 75723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 757316ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteMNGImage(const ImageInfo *image_info, 757416ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 75753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 75773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 75793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 75813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 758216ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 75833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% To do (as of version 5.5.2, November 26, 2002 -- glennrp -- see also 75853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "To do" under ReadPNGImage): 75863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Preserve all unknown and not-yet-handled known chunks found in input 75883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG file and copy them into output PNG files according to the PNG 75893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% copying rules. 75903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Write the iCCP chunk at MNG level when (icc profile length > 0) 75923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Improve selection of color type (use indexed-colour or indexed-colour 75943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% with tRNS when 256 or fewer unique RGBA values are present). 75953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 75963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Figure out what to do with "dispose=<restore-to-previous>" (dispose == 3) 75973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% This will be complicated if we limit ourselves to generating MNG-LC 75983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% files. For now we ignore disposal method 3 and simply overlay the next 75993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image on it. 76003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical PLTE's or PLTE/tRNS combinations and use a 76023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% global MNG PLTE or PLTE/tRNS combination when appropriate. 76033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% [mostly done 15 June 1999 but still need to take care of tRNS] 76043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sRGB and replace with a global sRGB (and remove 76063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% gAMA/cHRM if sRGB is found; check for identical gAMA/cHRM and 76073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% replace with global gAMA/cHRM (or with sRGB if appropriate; replace 76083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% local gAMA/cHRM with local sRGB if appropriate). 76093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Check for identical sBIT chunks and write global ones. 76113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide option to skip writing the signature tEXt chunks. 76133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use signatures to detect identical objects and reuse the first 76153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instance of such objects instead of writing duplicate objects. 76163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Use a smaller-than-32k value of compression window size when 76183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% appropriate. 76193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Encode JNG datastreams. Mostly done as of 5.5.2; need to write 76213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary text chunks and save profiles. 76223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force LC files (to ensure exact framing rate) 76243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% instead of VLC. 76253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 76263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Provide an option to force VLC files instead of LC, even when offsets 76273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% are present. This will involve expanding the embedded images with a 76283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparent region at the top and/or left. 76293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 76303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76313ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic void 7632cf002022280cc4dedb2748ad6f415aac1d44f530glennrpMagick_png_write_raw_profile(const ImageInfo *image_info,png_struct *ping, 76333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info *ping_info, unsigned char *profile_type, unsigned char 76343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile_description, unsigned char *profile_data, png_uint_32 length) 76353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 76363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_textp 76373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text; 76383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7639bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 76403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 76413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *sp; 76443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_charp 76463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp; 76473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 76493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length, 76503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length; 76513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 76533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy hex[16]={'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'}; 76543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleNCompare((char *) profile_type+1, "ng-chunk-",9) == 0) 76563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return; 76573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 76583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 76593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) printf("writing raw profile: type=%s, length=%.20g\n", 76610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (char *) profile_type, (double) length); 76623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 76630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 7664ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7665a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_alloc_size_t) sizeof(png_text)); 7666a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7667a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 7668a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy description_length=(png_uint_32) strlen((const char *) profile_description); 76703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length=(png_uint_32) (length*2 + (length >> 5) + 20 76713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy + description_length); 7672ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 7673a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, 7674a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) allocated_length); 7675a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_alloc_size_t) 80); 7676a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 7677a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].text=(png_charp) png_malloc(ping, (png_size_t) allocated_length); 7678a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text[0].key=(png_charp) png_malloc(ping, (png_size_t) 80); 7679a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 76803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].key[0]='\0'; 76813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key, 76823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "Raw profile type ",MaxTextExtent); 76833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ConcatenateMagickString(text[0].key,(const char *) profile_type,62); 76843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy sp=profile_data; 76853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp=text[0].text; 76863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 76873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(dp,(const char *) profile_description, 76883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy allocated_length); 76893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=description_length; 76903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 76913b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(dp,allocated_length- 7692f2faecf9facdbbb14fcba373365f9f691a9658e0cristy (png_size_t) (dp-text[0].text),"%8lu ",(unsigned long) length); 76933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy dp+=8; 769447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7695bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) length; i++) 76963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 76973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (i%36 == 0) 76983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 76993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp >> 4) & 0x0f)]; 77003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(dp++)=(char) hex[((*sp++ ) & 0x0f)]; 77013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 770247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp++='\n'; 77043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *dp='\0'; 77053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length=(png_size_t) (dp-text[0].text); 77063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].compression=image_info->compression == NoCompression || 77073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->compression == UndefinedCompression && 77083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy text[0].text_length < 128) ? -1 : 0; 770947b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (text[0].text_length <= allocated_length) 77113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_text(ping,ping_info,text,1); 771247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].text); 77143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text[0].key); 77153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_free(ping,text); 77163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7718cf002022280cc4dedb2748ad6f415aac1d44f530glennrpstatic MagickBooleanType Magick_png_write_chunk_from_profile(Image *image, 77194383ec8c3c8811128f5a8a034d67c47db5e7e75acristy const char *string, MagickBooleanType logging) 77203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 77213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 77223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name; 77233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 77253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 77263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 77283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *data; 77293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_32 length; 77313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 77323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ResetImageProfileIterator(image); 773347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 773447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 773547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 77363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy profile=GetImageProfile(image,name); 773747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (profile != (const StringInfo *) NULL) 77393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 77403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy StringInfo 7741cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *ping_profile; 77423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 774347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (LocaleNCompare(name,string,11) == 0) 774447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp { 774547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp if (logging != MagickFalse) 774647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 774747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp " Found %s profile",name); 774847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 7749cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=CloneStringInfo(profile); 7750cf002022280cc4dedb2748ad6f415aac1d44f530glennrp data=GetStringInfoDatum(ping_profile), 7751cf002022280cc4dedb2748ad6f415aac1d44f530glennrp length=(png_uint_32) GetStringInfoLength(ping_profile); 775247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[4]=data[3]; 775347b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[3]=data[2]; 775447b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[2]=data[1]; 775547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp data[1]=data[0]; 775647b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,length-5); /* data length */ 775747b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlob(image,length-1,data+1); 775847b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp (void) WriteBlobMSBULong(image,crc32(0,data+1,(uInt) length-1)); 7759cf002022280cc4dedb2748ad6f415aac1d44f530glennrp ping_profile=DestroyStringInfo(ping_profile); 776047b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp } 77613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 776247b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy name=GetNextImageProfile(image); 77643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 776547b9dd5e18d5870d82f2a28c6160b32917916ad7glennrp 77663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 77673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 77683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7769fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 7770fd6fd07e58e3d37313bec849313ac6e2b92e3957dirkstatic void write_tIME_chunk(Image *image,png_struct *ping,png_info *info, 7771fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char *date,ExceptionInfo *exception) 7772fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk{ 7773fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk unsigned int 7774fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk day, 7775fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk hour, 7776fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk minute, 7777fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk month, 7778fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk second, 7779fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk year; 7780fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7781fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_time 7782fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime; 7783fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7784fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time_t 7785fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ttime; 7786fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 7787fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (date != (const char *) NULL) 7788fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7789fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (sscanf(date,"%d-%d-%dT%d:%d:%dZ",&year,&month,&day,&hour,&minute, 7790fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk &second) != 6) 7791fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7792fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 7793fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk "Invalid date format specified for png:tIME","`%s'", 7794fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk image->filename); 7795fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk return; 7796fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7797fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.year=(png_uint_16) year; 7798fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.month=(png_byte) month; 7799fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.day=(png_byte) day; 7800fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.hour=(png_byte) hour; 7801fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.minute=(png_byte) minute; 7802fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ptime.second=(png_byte) second; 7803fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7804fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk else 7805fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 7806fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk time(&ttime); 7807fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_convert_from_time_t(&ptime,ttime); 7808fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 7809fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk png_set_tIME(ping,info,&ptime); 7810fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk} 7811fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 7812b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7813b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp/* Write one PNG image */ 78143ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOnePNGImage(MngInfo *mng_info, 781516ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *IMimage_info,Image *IMimage,ExceptionInfo *exception) 78163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 78170997332e2c35a821b271d6e7473c01c10dc206adcristy char 78180997332e2c35a821b271d6e7473c01c10dc206adcristy im_vers[32], 78190997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_runv[32], 78200997332e2c35a821b271d6e7473c01c10dc206adcristy libpng_vers[32], 78210997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_runv[32], 78220997332e2c35a821b271d6e7473c01c10dc206adcristy zlib_vers[32]; 78230997332e2c35a821b271d6e7473c01c10dc206adcristy 782416ea139d53d867211d3bb0fa859a83de653f687ecristy Image 782516ea139d53d867211d3bb0fa859a83de653f687ecristy *image; 782616ea139d53d867211d3bb0fa859a83de653f687ecristy 782716ea139d53d867211d3bb0fa859a83de653f687ecristy ImageInfo 782816ea139d53d867211d3bb0fa859a83de653f687ecristy *image_info; 782916ea139d53d867211d3bb0fa859a83de653f687ecristy 78303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy char 78313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy s[2]; 78323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 78343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *name, 78353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *property, 78363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 78373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const StringInfo 78393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *profile; 78403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 78423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes, 7843cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp pass; 7844cecd5765c41f64cc68d4a5d77bb4afe92707a49eglennrp 7845e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp png_byte 7846e9c26dc68fb7cff87adcf2677968737acc9d3d2cglennrp ping_trans_alpha[256]; 78475af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 784839992b4dd9b12ef752d55b8e402c069698851f72glennrp png_color 784939992b4dd9b12ef752d55b8e402c069698851f72glennrp palette[257]; 78503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78515af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_color_16 78525af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background, 78535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color; 78545af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 78553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_info 78563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping_info; 78573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_struct 78593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *ping; 78603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78615af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp png_uint_32 78625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_height, 78635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_width; 78645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7865bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 78663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y; 78673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 78683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 786958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp image_matte, 787021f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 787158e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp matte, 787258e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp 7873da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob, 7874fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency, 7875d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color, 78768d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw, 787739992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE, 7878991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD, 7879918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP, 7880991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs, 7881918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB, 7882991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS, 788326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 788426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_bKGD, 788526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_cHRM, 7886a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date, 7887e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_EXIF, */ 788826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_gAMA, 788926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_iCCP, 789026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* ping_exclude_iTXt, */ 789126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_oFFs, 789226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_pHYs, 789326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_sRGB, 789426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_tEXt, 7895fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME, 7896e4e2d7916fb10ae2957bc36639b56fa303fd4a0eglennrp /* ping_exclude_tRNS, */ 789726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_vpAg, 789826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zCCP, /* hex-encoded iCCP */ 789926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_exclude_zTXt, 790026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 79018d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap, 7902ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP, 79030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning, 79040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 790582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp status, 79068ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332, 7907d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_333, 7908d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444; 79093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79100997332e2c35a821b271d6e7473c01c10dc206adcristy MemoryInfo 7911af1534a4abd2d6ef7f7e2833b95400301faff3d3cristy *volatile pixel_info; 79120997332e2c35a821b271d6e7473c01c10dc206adcristy 79133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy QuantumInfo 79143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *quantum_info; 79153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 791616ea139d53d867211d3bb0fa859a83de653f687ecristy PNGErrorInfo 791716ea139d53d867211d3bb0fa859a83de653f687ecristy error_info; 791816ea139d53d867211d3bb0fa859a83de653f687ecristy 7919bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 79203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 79213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 79223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 79233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 79240997332e2c35a821b271d6e7473c01c10dc206adcristy *ping_pixels; 7925d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 79265af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp volatile int 7927f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors, 79280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth, 79295af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type, 79305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method, 79315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method, 79325af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method, 79335af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans; 79345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 7935bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 79365af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth, 79375af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp old_bit_depth; 79383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7939bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 79403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quality, 79413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes, 79423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth; 79433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7944dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp int 7945fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp j, 7946f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, 79478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque, 79488bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent, 79498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent, 7950dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type; 7951dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 7952dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp png_uint_32 7953dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution, 7954dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution; 7955dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 79563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 7957fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOnePNGImage()"); 79583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 795916ea139d53d867211d3bb0fa859a83de653f687ecristy image = CloneImage(IMimage,0,0,MagickFalse,exception); 796016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=(ImageInfo *) CloneImageInfo(IMimage_info); 796116ea139d53d867211d3bb0fa859a83de653f687ecristy if (image_info == (ImageInfo *) NULL) 796216ea139d53d867211d3bb0fa859a83de653f687ecristy ThrowWriterException(ResourceLimitError, "MemoryAllocationFailed"); 7963b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 7964d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp /* Define these outside of the following "if logging()" block so they will 7965d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp * show in debuggers. 7966d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp */ 7967d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *im_vers='\0'; 7968d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7969d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibVersionText,MaxTextExtent); 7970d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(im_vers, 7971d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp MagickLibAddendum,MaxTextExtent); 7972ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7973d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *libpng_vers='\0'; 7974d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(libpng_vers, 7975ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp PNG_LIBPNG_VER_STRING,32); 7976ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *libpng_runv='\0'; 7977ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(libpng_runv, 7978ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp png_get_libpng_ver(NULL),32); 7979ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 7980d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp *zlib_vers='\0'; 7981d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp (void) ConcatenateMagickString(zlib_vers, 7982ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp ZLIB_VERSION,32); 7983ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp *zlib_runv='\0'; 7984ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp (void) ConcatenateMagickString(zlib_runv, 7985ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_version,32); 7986ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp 79878fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 7988d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp { 7989d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," IM version = %s", 7990d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp im_vers); 7991d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Libpng version = %s", 7992d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp libpng_vers); 7993ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(libpng_vers,libpng_runv) != 0) 7994ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 7995ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 7996ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp libpng_runv); 7997ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 7998d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp LogMagickEvent(CoderEvent,GetMagickModule()," Zlib version = %s", 7999d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp zlib_vers); 8000ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp if (LocaleCompare(zlib_vers,zlib_runv) != 0) 8001ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp { 8002ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp LogMagickEvent(CoderEvent,GetMagickModule()," running with %s", 8003ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp zlib_runv); 8004ec0ddbc89d50eda4c550fb76c06d6b7dccd147acglennrp } 8005d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp } 8006d0cae2599e87ce432f40fd50ad66439f4281ee64glennrp 80075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp /* Initialize some stuff */ 80080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=0, 80095af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=0, 80105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_interlace_method=0, 80115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_compression_method=0, 80125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_filter_method=0, 80135af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans = 0; 80145af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.red = 0; 80165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.green = 0; 80175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.blue = 0; 80185af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.gray = 0; 80195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_background.index = 0; 80205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 80215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red=0; 80225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green=0; 80235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue=0; 80245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray=0; 80255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 8026dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type = 0; 8027dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_x_resolution = 0; 8028dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_y_resolution = 0; 8029dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 8030da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickFalse; 8031f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp ping_have_cheap_transparency=MagickFalse; 8032d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_color=MagickTrue; 80338d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw=MagickTrue; 803439992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickFalse; 8035991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD=MagickFalse; 8036918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP=MagickFalse; 8037991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs=MagickFalse; 8038918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB=MagickFalse; 8039991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_tRNS=MagickFalse; 8040991d11dd9c33e65872778b81aff1347cd2878154glennrp 80410e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_bKGD=mng_info->ping_exclude_bKGD; 80420e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_cHRM=mng_info->ping_exclude_cHRM; 8043a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp ping_exclude_date=mng_info->ping_exclude_date; 8044dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_EXIF=mng_info->ping_exclude_EXIF; */ 80450e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_gAMA=mng_info->ping_exclude_gAMA; 80460e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_iCCP=mng_info->ping_exclude_iCCP; 80470e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* ping_exclude_iTXt=mng_info->ping_exclude_iTXt; */ 80480e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_oFFs=mng_info->ping_exclude_oFFs; 80490e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_pHYs=mng_info->ping_exclude_pHYs; 80500e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_sRGB=mng_info->ping_exclude_sRGB; 80510e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_tEXt=mng_info->ping_exclude_tEXt; 8052fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk ping_exclude_tIME=mng_info->ping_exclude_tIME; 8053dde35db6e37a8fd3adaa19bdfe20c7a54b2085efglennrp /* ping_exclude_tRNS=mng_info->ping_exclude_tRNS; */ 80540e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_vpAg=mng_info->ping_exclude_vpAg; 80550e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zCCP=mng_info->ping_exclude_zCCP; /* hex-encoded iCCP in zTXt */ 80560e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_exclude_zTXt=mng_info->ping_exclude_zTXt; 80570e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80588d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp ping_preserve_colormap = mng_info->ping_preserve_colormap; 8059ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_preserve_iCCP = mng_info->ping_preserve_iCCP; 80600e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning = MagickFalse; 80610e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 80620d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Recognize the ICC sRGB profile and convert it to the sRGB chunk, 80630d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * i.e., eliminate the ICC profile and set image->rendering_intent. 80640d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * Note that this will not involve any changes to the actual pixels 80650d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * but merely passes information to applications that read the resulting 80660d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy * PNG image. 8067ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8068ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * To do: recognize other variants of the sRGB profile, using the CRC to 8069ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * verify all recognized variants including the 7 already known. 8070ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8071ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Work around libpng16+ rejecting some "known invalid sRGB profiles". 8072ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8073ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Use something other than image->rendering_intent to record the fact 8074ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * that the sRGB profile was found. 8075ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * 8076ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * Record the ICC version (currently v2 or v4) of the incoming sRGB ICC 8077ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp * profile. Record the Blackpoint Compensation, if any. 80780d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy */ 8079ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (ping_exclude_sRGB == MagickFalse && ping_preserve_iCCP == MagickFalse) 80800d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 80810d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy char 80820d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *name; 80830d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 80840d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy const StringInfo 80850d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy *profile; 80860d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 80870d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ResetImageProfileIterator(image); 80880d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 80890d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 80900d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy profile=GetImageProfile(image,name); 80910d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 80920d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (profile != (StringInfo *) NULL) 80930d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 80940d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((LocaleCompare(name,"ICC") == 0) || 8095ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (LocaleCompare(name,"ICM") == 0)) 8096ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 8097ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8098ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp int 8099ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp icheck, 8100ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc=0; 81010d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81020d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8103ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp png_uint_32 8104ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length, 8105ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=0; 810629a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8107ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp unsigned char 8108ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp *data; 81090d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8110ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp length=(png_uint_32) GetStringInfoLength(profile); 811129a106ed9ec29e243521b0f2a26c14281de8347fglennrp 8112ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp for (icheck=0; sRGB_info[icheck].len > 0; icheck++) 811329a106ed9ec29e243521b0f2a26c14281de8347fglennrp { 8114ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (length == sRGB_info[icheck].len) 8115ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8116ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (got_crc == 0) 8117ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8118ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8119ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp " Got a %lu-byte ICC profile (potentially sRGB)", 8120ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (unsigned long) length); 81210d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8122ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp data=GetStringInfoDatum(profile); 8123ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp profile_crc=crc32(0,data,length); 81240d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 8125ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8126ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " with crc=%8x",(unsigned int) profile_crc); 8127ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp got_crc++; 8128ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8129ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp 8130ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (profile_crc == sRGB_info[icheck].crc) 8131ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp { 8132ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8133ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " It is sRGB with rendering intent = %s", 8134ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntentString_from_PNG_RenderingIntent( 8135ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent)); 8136ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp if (image->rendering_intent==UndefinedIntent) 8137ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp { 8138ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp image->rendering_intent= 8139ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp Magick_RenderingIntent_from_PNG_RenderingIntent( 8140ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp sRGB_info[icheck].intent); 8141ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp } 8142ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_iCCP = MagickTrue; 8143ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_exclude_zCCP = MagickTrue; 8144ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_sRGB = MagickTrue; 8145ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp break; 8146ee7b4c0ec5013e84a2ab2e0fe9c4beaed4b75606glennrp } 814729a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81480d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 8149ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (sRGB_info[icheck].len == 0) 815029a106ed9ec29e243521b0f2a26c14281de8347fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8151ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Got a %lu-byte ICC profile not recognized as sRGB", 815229a106ed9ec29e243521b0f2a26c14281de8347fglennrp (unsigned long) length); 815329a106ed9ec29e243521b0f2a26c14281de8347fglennrp } 81540d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81550d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy name=GetNextImageProfile(image); 81560d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81570d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 81580d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy 81598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_opaque = 0; 81608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent = 0; 81618bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_transparent = 0; 81628bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 8163fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 8164fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 8165fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == UndefinedClass) 8166fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8167f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=UndefinedClass"); 8168fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == DirectClass) 8169fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8170f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=DirectClass"); 8171fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass) 8172fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8173f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp " image->storage_class=PseudoClass"); 8174f3794ae8cfb6e17f5161c2ecfe15a29fba5ece80glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), image->taint ? 8175cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickTrue": 8176cc96f2d3d09f91c9333d05e2e7216d4006f8a5eaglennrp " image->taint=MagickFalse"); 8177fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 817828af3713c9111a471cc868c787760de89236fa3cglennrp 8179750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp if (image->storage_class == PseudoClass && 81807e65e93c71716f2a5c03c0808adedae21d519fb2glennrp (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32 || 8181fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 8182fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->write_png_colortype != 1 && 8183fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype != 5))) 81847e65e93c71716f2a5c03c0808adedae21d519fb2glennrp { 818516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 81867e65e93c71716f2a5c03c0808adedae21d519fb2glennrp image->storage_class = DirectClass; 81877e65e93c71716f2a5c03c0808adedae21d519fb2glennrp } 81887e65e93c71716f2a5c03c0808adedae21d519fb2glennrp 8189c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (ping_preserve_colormap == MagickFalse) 819028af3713c9111a471cc868c787760de89236fa3cglennrp { 8191c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (image->storage_class != PseudoClass && image->colormap != NULL) 8192c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8193c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp /* Free the bogus colormap; it can cause trouble later */ 8194c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8195c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8196c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Freeing bogus colormap"); 8197e9ac4c3545df599381509bfa2a60d58971d3c5b8cristy (void) RelinquishMagickMemory(image->colormap); 8198c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp image->colormap=NULL; 8199c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 820028af3713c9111a471cc868c787760de89236fa3cglennrp } 8201bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8202c28acd632b7ea1724a54191d15db932f2e4d25e6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 820316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) TransformImageColorspace(image,sRGBColorspace,exception); 82040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 82053241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp /* 82063241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp Sometimes we get PseudoClass images whose RGB values don't match 82073241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp the colors in the colormap. This code syncs the RGB values. 82083241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp */ 82093241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp if (image->depth <= 8 && image->taint && image->storage_class == PseudoClass) 821016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 82113241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8212a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#if (MAGICKCORE_QUANTUM_DEPTH == 8) 8213a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (image->depth > 8) 8214a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp { 8215a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp if (logging != MagickFalse) 8216a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8217a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp " Reducing PNG bit depth to 8 since this is a Q8 build."); 8218a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8219a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp image->depth=8; 8220a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp } 8221a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp#endif 8222a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 82238e58efdecda887b08ef730d68290a61081ef2566glennrp /* Respect the -depth option */ 8224cd979955e4249aab3bdd79043718fa3b120239b8dirk if (image->depth < 4) 822567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp { 822616ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 82278e58efdecda887b08ef730d68290a61081ef2566glennrp *r; 82288e58efdecda887b08ef730d68290a61081ef2566glennrp 8229aac49630945ded4a68aca4f7c892e18b21afeba8dirk if (image->depth > 2) 82308e58efdecda887b08ef730d68290a61081ef2566glennrp { 82318e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 4-bit */ 823291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->background_color); 82338e58efdecda887b08ef730d68290a61081ef2566glennrp 82348e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82358e58efdecda887b08ef730d68290a61081ef2566glennrp { 823616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82378e58efdecda887b08ef730d68290a61081ef2566glennrp 823816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82398e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82408e58efdecda887b08ef730d68290a61081ef2566glennrp 82418e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82428e58efdecda887b08ef730d68290a61081ef2566glennrp { 824316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR04PixelRGBA(r); 824416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82458e58efdecda887b08ef730d68290a61081ef2566glennrp } 8246bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82478e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82488e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82498e58efdecda887b08ef730d68290a61081ef2566glennrp } 82508e58efdecda887b08ef730d68290a61081ef2566glennrp 82518e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82528e58efdecda887b08ef730d68290a61081ef2566glennrp { 82533e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82548e58efdecda887b08ef730d68290a61081ef2566glennrp { 825591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGBO(image->colormap[i]); 82568e58efdecda887b08ef730d68290a61081ef2566glennrp } 82578e58efdecda887b08ef730d68290a61081ef2566glennrp } 82588e58efdecda887b08ef730d68290a61081ef2566glennrp } 82598e58efdecda887b08ef730d68290a61081ef2566glennrp else if (image->depth > 1) 82608e58efdecda887b08ef730d68290a61081ef2566glennrp { 82618e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 2-bit */ 826291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->background_color); 82638e58efdecda887b08ef730d68290a61081ef2566glennrp 82648e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82658e58efdecda887b08ef730d68290a61081ef2566glennrp { 826616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82678e58efdecda887b08ef730d68290a61081ef2566glennrp 826816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82698e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82708e58efdecda887b08ef730d68290a61081ef2566glennrp 82718e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 82728e58efdecda887b08ef730d68290a61081ef2566glennrp { 827316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR02PixelRGBA(r); 827416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 82758e58efdecda887b08ef730d68290a61081ef2566glennrp } 8276bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 82778e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 82788e58efdecda887b08ef730d68290a61081ef2566glennrp break; 82798e58efdecda887b08ef730d68290a61081ef2566glennrp } 82808e58efdecda887b08ef730d68290a61081ef2566glennrp 82818e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 82828e58efdecda887b08ef730d68290a61081ef2566glennrp { 82833e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 82848e58efdecda887b08ef730d68290a61081ef2566glennrp { 828591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketRGBO(image->colormap[i]); 82868e58efdecda887b08ef730d68290a61081ef2566glennrp } 82878e58efdecda887b08ef730d68290a61081ef2566glennrp } 82888e58efdecda887b08ef730d68290a61081ef2566glennrp } 82898e58efdecda887b08ef730d68290a61081ef2566glennrp else 82908e58efdecda887b08ef730d68290a61081ef2566glennrp { 82918e58efdecda887b08ef730d68290a61081ef2566glennrp /* Scale to 1-bit */ 829291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->background_color); 82938e58efdecda887b08ef730d68290a61081ef2566glennrp 82948e58efdecda887b08ef730d68290a61081ef2566glennrp for (y=0; y < (ssize_t) image->rows; y++) 82958e58efdecda887b08ef730d68290a61081ef2566glennrp { 829616ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 82978e58efdecda887b08ef730d68290a61081ef2566glennrp 829816ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 82998e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83008e58efdecda887b08ef730d68290a61081ef2566glennrp 83018e58efdecda887b08ef730d68290a61081ef2566glennrp for (x=0; x < (ssize_t) image->columns; x++) 83028e58efdecda887b08ef730d68290a61081ef2566glennrp { 830316ea139d53d867211d3bb0fa859a83de653f687ecristy LBR01PixelRGBA(r); 830416ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 83058e58efdecda887b08ef730d68290a61081ef2566glennrp } 8306bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 83078e58efdecda887b08ef730d68290a61081ef2566glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 83088e58efdecda887b08ef730d68290a61081ef2566glennrp break; 83098e58efdecda887b08ef730d68290a61081ef2566glennrp } 83108e58efdecda887b08ef730d68290a61081ef2566glennrp 83118e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 83128e58efdecda887b08ef730d68290a61081ef2566glennrp { 83133e08f1130848df134cab76223cc758607d25efa7cristy for (i=0; i < (ssize_t) image->colors; i++) 83148e58efdecda887b08ef730d68290a61081ef2566glennrp { 831591d99255dd77083750426ba5463e002a586bc9a6glennrp LBR01PacketRGBO(image->colormap[i]); 83168e58efdecda887b08ef730d68290a61081ef2566glennrp } 83178e58efdecda887b08ef730d68290a61081ef2566glennrp } 83188e58efdecda887b08ef730d68290a61081ef2566glennrp } 8319cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp } 8320cc95c3f37f025a52b71d927cba8009c4f8bc83a5glennrp 832167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* To do: set to next higher multiple of 8 */ 832267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->depth < 8) 832370e68a844517efda3094dc170a8f54affc9c82bcglennrp image->depth=8; 8324a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 83252b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 16) 83262b013e4b9b602533eff410e61c3683fb2a3ab913glennrp /* PNG does not handle depths greater than 16 so reduce it even 83272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp * if lossy 83282b013e4b9b602533eff410e61c3683fb2a3ab913glennrp */ 83298e58efdecda887b08ef730d68290a61081ef2566glennrp if (image->depth > 8) 83302b013e4b9b602533eff410e61c3683fb2a3ab913glennrp image->depth=16; 83312b013e4b9b602533eff410e61c3683fb2a3ab913glennrp#endif 83322b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 83333faa9a3fb01696daaf976d595f492cb530bffb21glennrp#if (MAGICKCORE_QUANTUM_DEPTH > 8) 8334cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp if (image->depth > 8) 8335cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp { 8336cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* To do: fill low byte properly */ 8337cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp image->depth=16; 8338cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp } 8339cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 8340c722dd852e8abe407c2846d39662f7ade9c234deglennrp if (image->depth == 16 && mng_info->write_png_depth != 16) 834116ea139d53d867211d3bb0fa859a83de653f687ecristy if (mng_info->write_png8 || LosslessReduceDepthOK(image,exception) != MagickFalse) 83428640fb5e9b1094f35f8beab436f81661b8a99448glennrp image->depth = 8; 83438640fb5e9b1094f35f8beab436f81661b8a99448glennrp#endif 83448640fb5e9b1094f35f8beab436f81661b8a99448glennrp 8345d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp image_colors = (int) image->colors; 8346d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_opaque = (int) image->colors; 8347d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_transparent = 0; 8348d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp number_semitransparent = 0; 8349d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 8350197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype && 8351a8036d6466b63ead629795b60772f160cca77c4cglennrp (mng_info->write_png_colortype > 4 || (mng_info->write_png_depth >= 8 && 8352a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype < 4 && 835317f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image->alpha_trait == UndefinedPixelTrait))) 8354a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8355a8036d6466b63ead629795b60772f160cca77c4cglennrp /* Avoid the expensive BUILD_PALETTE operation if we're sure that we 8356a8036d6466b63ead629795b60772f160cca77c4cglennrp * are not going to need the result. 8357a8036d6466b63ead629795b60772f160cca77c4cglennrp */ 8358a8036d6466b63ead629795b60772f160cca77c4cglennrp if (mng_info->write_png_colortype == 1 || 8359a8036d6466b63ead629795b60772f160cca77c4cglennrp mng_info->write_png_colortype == 5) 8360a8036d6466b63ead629795b60772f160cca77c4cglennrp ping_have_color=MagickFalse; 8361a8036d6466b63ead629795b60772f160cca77c4cglennrp 836217f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 8363a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8364a8036d6466b63ead629795b60772f160cca77c4cglennrp number_transparent = 2; 8365a8036d6466b63ead629795b60772f160cca77c4cglennrp number_semitransparent = 1; 8366a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8367a8036d6466b63ead629795b60772f160cca77c4cglennrp } 8368a8036d6466b63ead629795b60772f160cca77c4cglennrp 8369197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp if (mng_info->write_png_colortype < 7) 8370a8036d6466b63ead629795b60772f160cca77c4cglennrp { 8371a8036d6466b63ead629795b60772f160cca77c4cglennrp /* BUILD_PALETTE 8372a8036d6466b63ead629795b60772f160cca77c4cglennrp * 8373a8036d6466b63ead629795b60772f160cca77c4cglennrp * Normally we run this just once, but in the case of writing PNG8 8374e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * we reduce the transparency to binary and run again, then if there 8375e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * are still too many colors we reduce to a simple 4-4-4-1, then 3-3-3-1 83768ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * RGBA palette and run again, and then to a simple 3-3-2-1 RGBA 83778ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * palette. Then (To do) we take care of a final reduction that is only 83788ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * needed if there are still 256 colors present and one of them has both 83798ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * transparent and opaque instances. 8380c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 838182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 83828ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickFalse; 838382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickFalse; 8384d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickFalse; 838582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 83868ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (j=0; j<6; j++) 8387d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8388a8036d6466b63ead629795b60772f160cca77c4cglennrp /* 8389d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get DirectClass images that have 256 colors or fewer. 8390d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will build a colormap. 8391d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8392d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also, sometimes we get PseudoClass images with an out-of-date 8393d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * colormap. This code will replace the colormap with a new one. 8394d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Sometimes we get PseudoClass images that have more than 256 colors. 8395d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * This code will delete the colormap and change the image to 8396d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * DirectClass. 8397d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 83988a46d827a124555f0c48fb2368ec1bba8e079ab6cristy * If image->alpha_trait is MagickFalse, we ignore the alpha channel 8399d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * even though it sometimes contains left-over non-opaque values. 8400d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8401d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Also we gather some information (number of opaque, transparent, 8402d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * and semitransparent pixels, and whether the image has any non-gray 8403d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixels or only black-and-white pixels) that we might need later. 8404d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * 8405d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Even if the user wants to force GrayAlpha or RGBA (colortype 4 or 6) 8406d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * we need to check for bogus non-opaque values, at least. 8407d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 84083c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8409d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp int 8410d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n; 84118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 841216ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8413d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp opaque[260], 8414d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp semitransparent[260], 8415d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp transparent[260]; 84168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 841716ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 841816ea139d53d867211d3bb0fa859a83de653f687ecristy *s; 8419d6bf1617e99df0272b231855a933a74e99b6578fglennrp 842016ea139d53d867211d3bb0fa859a83de653f687ecristy register Quantum 842116ea139d53d867211d3bb0fa859a83de653f687ecristy *q, 8422fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *r; 8423fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8424d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8425d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8426d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Enter BUILD_PALETTE:"); 8427d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8428d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8429d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8430d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8431d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->columns=%.20g",(double) image->columns); 8432d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8433d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->rows=%.20g",(double) image->rows); 8434d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84358a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image->alpha_trait=%.20g",(double) image->alpha_trait); 843603812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8437d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->depth=%.20g",(double) image->depth); 84383c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8439fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image->storage_class == PseudoClass && image->colormap != NULL) 84407ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 84417ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8442d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Original colormap:"); 84438bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 844416ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 84452cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8446d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < 256; i++) 84477ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp { 8448d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8449d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8450d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8451d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8452d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8453d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 845416ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 84557ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp } 84562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8457d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=image->colors - 10; i < (ssize_t) image->colors; i++) 8458d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8459d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i > 255) 8460d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8461d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8462d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8463d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8464d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8465d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8466d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 846716ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8468d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8469d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8470d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84712cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8472d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8473d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d",(int) image->colors); 847483c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8475d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colors == 0) 847616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 847716ea139d53d867211d3bb0fa859a83de653f687ecristy " (zero means unknown)"); 84787ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 84798d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap == MagickFalse) 84808d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 84818d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp " Regenerate the colormap"); 8482d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 84837ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 8484d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=0; 8485fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_opaque = 0; 8486fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_semitransparent = 0; 8487fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp number_transparent = 0; 84882cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8489d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8490d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8491d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 84927ddcc22478e0199aa11e9aeab088874b3b2cef63glennrp 849316ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8494d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 849597fd3d052fbd2e629d5d2387f26de9e250dd3e32glennrp 8496d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8497d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 849817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait || 849916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,q) == OpaqueAlpha) 85008d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8501d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259) 85028d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8503d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque == 0) 8504d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 850516ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque); 850616ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[0].alpha=OpaqueAlpha; 8507d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque=1; 8508d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8509d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8510d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_opaque; i++) 8511d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 851216ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, opaque+i)) 8513d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8514d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8515d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 851616ea139d53d867211d3bb0fa859a83de653f687ecristy if (i == (ssize_t) number_opaque && number_opaque < 259) 8517d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8518d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque++; 851916ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, opaque+i); 852016ea139d53d867211d3bb0fa859a83de653f687ecristy opaque[i].alpha=OpaqueAlpha; 8521d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85228d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85238d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 852416ea139d53d867211d3bb0fa859a83de653f687ecristy else if (GetPixelAlpha(image,q) == TransparentAlpha) 85258d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8526d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 259) 85278d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp { 8528d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent == 0) 8529d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 853016ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, transparent); 853116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red=(unsigned short) 853216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,q); 853316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green=(unsigned short) 853416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelGreen(image,q); 853516ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue=(unsigned short) 853616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelBlue(image,q); 853716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.gray=(unsigned short) 8538972d1c4895c4ee6da1b6745e1bb9cb71ee5d6d08cristy GetPixelGray(image,q); 8539d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent = 1; 8540d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8541d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8542d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_transparent; i++) 8543d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 854416ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, transparent+i)) 8545d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8546d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8547d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8548d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_transparent && 8549d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent < 259) 8550d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8551d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent++; 855216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,transparent+i); 8553d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85548d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 85558d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp } 8556d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8557d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8558d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 259) 8559d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8560d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent == 0) 8561d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856216ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image,q,semitransparent); 8563d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent = 1; 8564d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85658d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 8566d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) number_semitransparent; i++) 8567d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 856816ea139d53d867211d3bb0fa859a83de653f687ecristy if (IsPixelEquivalent(image,q, semitransparent+i) 856916ea139d53d867211d3bb0fa859a83de653f687ecristy && GetPixelAlpha(image,q) == 857016ea139d53d867211d3bb0fa859a83de653f687ecristy semitransparent[i].alpha) 8571d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8572d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8573d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8574d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (i == (ssize_t) number_semitransparent && 8575d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent < 259) 8576d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8577d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent++; 857816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelInfoPixel(image, q, semitransparent+i); 8579d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8580d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85818bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 858216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8583d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8584d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 85853c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 85864054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png8 == MagickFalse && 85874054bfbdca478fe065f01d7f8285f7c173ccfcfccristy ping_exclude_bKGD == MagickFalse) 8588d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8589d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Add the background color to the palette, if it 8590d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * isn't already there. 8591d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8592c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8593c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8594c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8595c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Check colormap for background (%d,%d,%d)", 8596c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.red, 8597c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.green, 8598c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) image->background_color.blue); 8599c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8600d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8601d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8602ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp if (opaque[i].red == image->background_color.red && 8603ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].green == image->background_color.green && 8604ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp opaque[i].blue == image->background_color.blue) 8605ca7ad3a4c4d394b32265e215c857b485fb57296fglennrp break; 8606d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8607d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 259 && i == number_opaque) 860803812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 86098e045c8f9e00ec89df5b20bf07c059d60e7aaa77glennrp opaque[i] = image->background_color; 8610c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index = i; 8611388a8c871db8f82488f34c4f41fc64a58b8cfbf7glennrp number_opaque++; 8612c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 8613c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 8614c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8615c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d",(int) i); 8616c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 8617c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 861803812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 8619a080bc32a4a8b2ffec83fd836a28753959175363glennrp else if (logging != MagickFalse) 8620a080bc32a4a8b2ffec83fd836a28753959175363glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8621a080bc32a4a8b2ffec83fd836a28753959175363glennrp " No room in the colormap to add background color"); 8622d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8624d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors=number_opaque+number_transparent+number_semitransparent; 86253241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8626d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8627d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8628d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors > 256) 8629d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8630d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has more than 256 colors"); 86313241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8632d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8633d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8634d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image has %d colors",image_colors); 8635d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 86363241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 86378d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (ping_preserve_colormap != MagickFalse) 86388d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp break; 86398d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 8640fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (mng_info->write_png_colortype != 7) /* We won't need this info */ 8641d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8642d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickFalse; 86430fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp ping_have_non_bw=MagickFalse; 86440fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 864545d4c34ce93ff377b9671844ffa1153b821061f6glennrp if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse) 86460fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp { 864796bc620815234aaec28b928df51d1754cbe390dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 864896bc620815234aaec28b928df51d1754cbe390dcglennrp "incompatible colorspace"); 86497fb2652ba366fc984d1dbb0c66560b91c57dab78cristy ping_have_color=MagickTrue; 865098b95773e388844e22c6e4006bb88396b33cf6b4glennrp ping_have_non_bw=MagickTrue; 86510fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp } 86520fa2580a52ea729dca17269f8c2b17f93ff263d6glennrp 8653d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if(image_colors > 256) 8654d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8655d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8656d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8657d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 86586185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 865916ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8660d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 86616185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8662e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp s=q; 8663e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp for (x=0; x < (ssize_t) image->columns; x++) 8664e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 866516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != GetPixelGreen(image,s) || 866616ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != GetPixelBlue(image,s)) 8667e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp { 8668e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_color=MagickTrue; 8669e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp ping_have_non_bw=MagickTrue; 8670e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8671e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 867216ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8673e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8674e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8675e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp if (ping_have_color != MagickFalse) 8676e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8677e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp 8678d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Worst case is black-and-white; we are looking at every 8679d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * pixel twice. 8680d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 86816185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8682d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8683d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8684d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp s=q; 8685d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 86866185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 868716ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelRed(image,s) != 0 && 868816ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelRed(image,s) != QuantumRange) 8689d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8690d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8691e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp break; 8692d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 869316ea139d53d867211d3bb0fa859a83de653f687ecristy s+=GetPixelChannels(image); 8694d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8695e5e6b80f72d72eb8dc5be1bd1425b4ad504f0ef7glennrp } 8696d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8697bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 8698bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp } 86994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 8700d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image_colors < 257) 8701d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 870216ea139d53d867211d3bb0fa859a83de653f687ecristy PixelInfo 8703d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[260]; 8704bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8705d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* 8706d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * Initialize image colormap. 8707d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8708d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8709d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8710d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8711d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Sort the new colormap"); 8712d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8713d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* Sort palette, transparent first */; 8714d6bf1617e99df0272b231855a933a74e99b6578fglennrp 8715d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp n = 0; 87163241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8717d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_transparent; i++) 8718d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = transparent[i]; 87193241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8720d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_semitransparent; i++) 8721d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = semitransparent[i]; 8722d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8723d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<number_opaque; i++) 8724d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[n++] = opaque[i]; 8725d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8726c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.index += 8727c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (number_transparent + number_semitransparent); 8728bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8729d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp /* image_colors < 257; search the colormap instead of the pixels 8730d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp * to get ping_have_color and ping_have_non_bw 8731d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp */ 8732d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i<n; i++) 8733d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8734d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_color == MagickFalse) 8735d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8736d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != colormap[i].green || 8737d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp colormap[i].red != colormap[i].blue) 8738d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8739d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_color=MagickTrue; 8740d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8741d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8742d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8743d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8744d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8745d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8746d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8747d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (colormap[i].red != 0 && colormap[i].red != QuantumRange) 8748d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp ping_have_non_bw=MagickTrue; 8749d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8750d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 87513241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp 8752d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if ((mng_info->ping_exclude_tRNS == MagickFalse || 8753d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (number_transparent == 0 && number_semitransparent == 0)) && 8754d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (((mng_info->write_png_colortype-1) == 8755d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp PNG_COLOR_TYPE_PALETTE) || 8756d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (mng_info->write_png_colortype == 0))) 8757d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8758d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 87596185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 8760d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (n != (ssize_t) image_colors) 8761d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8762d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image_colors (%d) and n (%d) don't match", 8763d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image_colors, n); 87642cc891a179d622dde7bbb8854138851e828bc6eaglennrp 8765d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8766d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " AcquireImageColormap"); 8767d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8768d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8769d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colors = image_colors; 8770d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 877116ea139d53d867211d3bb0fa859a83de653f687ecristy if (AcquireImageColormap(image,image_colors,exception) == 8772d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp MagickFalse) 87733faa9a3fb01696daaf976d595f492cb530bffb21glennrp ThrowWriterException(ResourceLimitError, 87743faa9a3fb01696daaf976d595f492cb530bffb21glennrp "MemoryAllocationFailed"); 8775d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8776d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 8777d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp image->colormap[i] = colormap[i]; 8778d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8779d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8780d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8781d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8782d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d (%d)", 8783d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colors, image_colors); 8784bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8785d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8786d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " Update the pixel indexes"); 8787d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8788d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8789fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* Sync the pixel indices with the new colormap */ 8790fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8791d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (y=0; y < (ssize_t) image->rows; y++) 8792d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 879316ea139d53d867211d3bb0fa859a83de653f687ecristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 87943c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 879516ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 8796d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 87973c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8798d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (x=0; x < (ssize_t) image->columns; x++) 8799d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8800d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i< (ssize_t) image_colors; i++) 880103812ae402fb53d548f0e1d7d14720768f803c2dglennrp { 880217f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((image->alpha_trait == UndefinedPixelTrait || 880316ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha == GetPixelAlpha(image,q)) && 880416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red == GetPixelRed(image,q) && 880516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green == GetPixelGreen(image,q) && 880616ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue == GetPixelBlue(image,q)) 88076185c5395ac23a4c51586d671ec3e0ba9c126349glennrp { 880816ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelIndex(image,i,q); 8809d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 88106185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 881103812ae402fb53d548f0e1d7d14720768f803c2dglennrp } 881216ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 8813d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8814d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8815d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8816d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp break; 8817d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8818d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8819d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 8820d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8821d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse) 8822d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8823d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8824d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " image->colors=%d", (int) image->colors); 8825d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8826d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (image->colormap != NULL) 8827d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8828d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 882916ea139d53d867211d3bb0fa859a83de653f687ecristy " i (red,green,blue,alpha)"); 883083c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 8831d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp for (i=0; i < (ssize_t) image->colors; i++) 8832d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 883372988485e53441bbc7e5e7fbcb8e81012212efb6cristy if (i < 300 || i >= (ssize_t) image->colors - 10) 8834d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp { 8835d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8836d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " %d (%d,%d,%d,%d)", 8837d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) i, 8838d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].red, 8839d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].green, 8840d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (int) image->colormap[i].blue, 884116ea139d53d867211d3bb0fa859a83de653f687ecristy (int) image->colormap[i].alpha); 8842d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88436185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88446185c5395ac23a4c51586d671ec3e0ba9c126349glennrp } 88453c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8846d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_transparent < 257) 8847d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8848d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent = %d", 8849d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_transparent); 8850d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 88513c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8852d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8853d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_transparent > 256"); 88543c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8855d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_opaque < 257) 8856d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8857d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque = %d", 8858d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_opaque); 885903812ae402fb53d548f0e1d7d14720768f803c2dglennrp 8860d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8861d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8862d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_opaque > 256"); 88636185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8864d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (number_semitransparent < 257) 8865d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8866d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent = %d", 8867d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp number_semitransparent); 88686185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 8869d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8870d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8871d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " number_semitransparent > 256"); 8872a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8873d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (ping_have_non_bw == MagickFalse) 8874d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8875d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are black or white"); 8876a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 8877d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else if (ping_have_color == MagickFalse) 8878d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8879d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " All pixels and the background are gray"); 8880d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp 8881d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp else 8882d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8883d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp " At least one pixel or the background is non-gray"); 88846185c5395ac23a4c51586d671ec3e0ba9c126349glennrp 888503812ae402fb53d548f0e1d7d14720768f803c2dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 888603812ae402fb53d548f0e1d7d14720768f803c2dglennrp " Exit BUILD_PALETTE:"); 8887d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp } 88883c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 8889c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (mng_info->write_png8 == MagickFalse) 8890c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8891fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8892c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* Make any reductions necessary for the PNG8 format */ 8893c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors <= 256 && 8894c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image_colors != 0 && image->colormap != NULL && 8895c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_semitransparent == 0 && 8896c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp number_transparent <= 1) 8897c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8898fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8899c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have semitransparent colors so we threshold the 8900130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * opacity to 0 or OpaqueOpacity, and PNG8 can only have one 8901130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * transparent color so if more than one is transparent we merge 8902130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp * them into image->background_color. 8903c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8904130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp if (number_semitransparent != 0 || number_transparent > 1) 8905c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 8906c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8907c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Thresholding the alpha channel to binary"); 8908fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8909c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 8910c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 891116ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8912fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 891316ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8914c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8915fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8916c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 8917c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 891816ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) < OpaqueAlpha/2) 89198ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 892016ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelInfoPixel(image,&image->background_color,r); 892116ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,TransparentAlpha,r); 89228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 89238ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 892416ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelAlpha(image,OpaqueAlpha,r); 892516ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8926c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8927bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8928c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8929c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 8930fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 8931c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image_colors != 0 && image_colors <= 256 && 8932c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp image->colormap != NULL) 8933c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 893416ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].alpha = 893516ea139d53d867211d3bb0fa859a83de653f687ecristy (image->colormap[i].alpha > TransparentAlpha/2 ? 893616ea139d53d867211d3bb0fa859a83de653f687ecristy TransparentAlpha : OpaqueAlpha); 8937c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8938c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 8939c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 8940c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 8941c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp /* PNG8 can't have more than 256 colors so we quantize the pixels and 8942e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * background color to the 4-4-4-1, 3-3-3-1 or 3-3-2-1 palette. If the 8943e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * image is mostly gray, the 4-4-4-1 palette is likely to end up with 256 8944e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp * colors or less. 8945c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp */ 8946d337164012450d70d62e71cf4a308a29004f7d57glennrp if (tried_444 == MagickFalse && (image_colors == 0 || image_colors > 256)) 8947d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8948d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8949d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8950d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the background color to 4-4-4"); 8951d337164012450d70d62e71cf4a308a29004f7d57glennrp 8952d337164012450d70d62e71cf4a308a29004f7d57glennrp tried_444 = MagickTrue; 8953d337164012450d70d62e71cf4a308a29004f7d57glennrp 895491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->background_color); 8955d337164012450d70d62e71cf4a308a29004f7d57glennrp 8956d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8957d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8958d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the pixel colors to 4-4-4"); 8959d337164012450d70d62e71cf4a308a29004f7d57glennrp 8960d337164012450d70d62e71cf4a308a29004f7d57glennrp if (image->colormap == NULL) 8961d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8962d337164012450d70d62e71cf4a308a29004f7d57glennrp for (y=0; y < (ssize_t) image->rows; y++) 8963d337164012450d70d62e71cf4a308a29004f7d57glennrp { 896416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 8965d337164012450d70d62e71cf4a308a29004f7d57glennrp 896616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 8967d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8968d337164012450d70d62e71cf4a308a29004f7d57glennrp 8969d337164012450d70d62e71cf4a308a29004f7d57glennrp for (x=0; x < (ssize_t) image->columns; x++) 8970d337164012450d70d62e71cf4a308a29004f7d57glennrp { 897116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 897254cf79782d2eba6612b706093f62474beb855c8dglennrp LBR04PixelRGB(r); 897316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 8974d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8975bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 8976d337164012450d70d62e71cf4a308a29004f7d57glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 8977d337164012450d70d62e71cf4a308a29004f7d57glennrp break; 8978d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8979d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8980d337164012450d70d62e71cf4a308a29004f7d57glennrp 8981d337164012450d70d62e71cf4a308a29004f7d57glennrp else /* Should not reach this; colormap already exists and 8982d337164012450d70d62e71cf4a308a29004f7d57glennrp must be <= 256 */ 8983d337164012450d70d62e71cf4a308a29004f7d57glennrp { 8984d337164012450d70d62e71cf4a308a29004f7d57glennrp if (logging != MagickFalse) 8985d337164012450d70d62e71cf4a308a29004f7d57glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 8986d337164012450d70d62e71cf4a308a29004f7d57glennrp " Quantizing the colormap to 4-4-4"); 89878e58efdecda887b08ef730d68290a61081ef2566glennrp 8988d337164012450d70d62e71cf4a308a29004f7d57glennrp for (i=0; i<image_colors; i++) 8989d337164012450d70d62e71cf4a308a29004f7d57glennrp { 899091d99255dd77083750426ba5463e002a586bc9a6glennrp LBR04PacketRGB(image->colormap[i]); 8991d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8992d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8993d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 8994d337164012450d70d62e71cf4a308a29004f7d57glennrp } 8995d337164012450d70d62e71cf4a308a29004f7d57glennrp 899682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (tried_333 == MagickFalse && (image_colors == 0 || image_colors > 256)) 899782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 899882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 899982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 900082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp " Quantizing the background color to 3-3-3"); 900182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 900282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp tried_333 = MagickTrue; 900382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 900491d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->background_color); 900582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 900682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 900782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9008e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-3-1"); 900982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (image->colormap == NULL) 901182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 901282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (y=0; y < (ssize_t) image->rows; y++) 901382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 901416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 901582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 901782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 901882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 901982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (x=0; x < (ssize_t) image->columns; x++) 902082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 902116ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 902216ea139d53d867211d3bb0fa859a83de653f687ecristy LBR03RGB(r); 902316ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 902482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9025bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 902682b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 902782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp break; 902882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 902982b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 903082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp 903182b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp else /* Should not reach this; colormap already exists and 903282b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp must be <= 256 */ 903382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903482b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp if (logging != MagickFalse) 903582b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9036e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-3-1"); 903782b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp for (i=0; i<image_colors; i++) 903882b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp { 903991d99255dd77083750426ba5463e002a586bc9a6glennrp LBR03PacketRGB(image->colormap[i]); 904082b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9041d337164012450d70d62e71cf4a308a29004f7d57glennrp } 9042d337164012450d70d62e71cf4a308a29004f7d57glennrp continue; 904382b3c538ac5cfab10ee4ce71e69605dda09195a3glennrp } 9044c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (tried_332 == MagickFalse && (image_colors == 0 || image_colors > 256)) 9046c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9047c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9048c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9049c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp " Quantizing the background color to 3-3-2"); 9050c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 90518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp tried_332 = MagickTrue; 90528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 90533faa9a3fb01696daaf976d595f492cb530bffb21glennrp /* Red and green were already done so we only quantize the blue 90543faa9a3fb01696daaf976d595f492cb530bffb21glennrp * channel 90553faa9a3fb01696daaf976d595f492cb530bffb21glennrp */ 90563faa9a3fb01696daaf976d595f492cb530bffb21glennrp 905791d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->background_color); 9058fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9059c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9060c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9061e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the pixel colors to 3-3-2-1"); 9062fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9063c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (image->colormap == NULL) 9064c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9065c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (y=0; y < (ssize_t) image->rows; y++) 9066c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 906716ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 90688d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp 906916ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 9070c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9071c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp 9072c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (x=0; x < (ssize_t) image->columns; x++) 9073c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 907416ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,r) == OpaqueAlpha) 907554cf79782d2eba6612b706093f62474beb855c8dglennrp LBR02PixelBlue(r); 907616ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 9077c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9078bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9079c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 9080c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp break; 9081c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9082c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9083c722dd852e8abe407c2846d39662f7ade9c234deglennrp 9084c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp else /* Should not reach this; colormap already exists and 9085c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp must be <= 256 */ 9086c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 9087c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp if (logging != MagickFalse) 9088c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9089e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp " Quantizing the colormap to 3-3-2-1"); 9090c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp for (i=0; i<image_colors; i++) 9091c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp { 909291d99255dd77083750426ba5463e002a586bc9a6glennrp LBR02PacketBlue(image->colormap[i]); 9093c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9094c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 9095c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp continue; 9096c8c2f066877e87b2d3ece7f92a80287177717d9fglennrp } 90978ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 90988ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image_colors == 0 || image_colors > 256) 90998ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 910034ef720923a27004960cbcf4d75a8075445e85d7glennrp /* Take care of special case with 256 opaque colors + 1 transparent 91018ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * color. We don't need to quantize to 2-3-2-1; we only need to 91028ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * eliminate one color, so we'll merge the two darkest red 91038ca51ad2da164dabc55b192ed7884b745fde0e26glennrp * colors (0x49, 0, 0) -> (0x24, 0, 0). 91048ca51ad2da164dabc55b192ed7884b745fde0e26glennrp */ 910534ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 910634ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 910734ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red background colors to 3-3-2-1"); 910834ef720923a27004960cbcf4d75a8075445e85d7glennrp 91098ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->background_color.red) == 0x49 && 91108ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.green) == 0x00 && 91118ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->background_color.blue) == 0x00) 91128ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91138ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->background_color.red=ScaleCharToQuantum(0x24); 91148ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9115bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 911634ef720923a27004960cbcf4d75a8075445e85d7glennrp if (logging != MagickFalse) 911734ef720923a27004960cbcf4d75a8075445e85d7glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 911834ef720923a27004960cbcf4d75a8075445e85d7glennrp " Merging two dark red pixel colors to 3-3-2-1"); 911934ef720923a27004960cbcf4d75a8075445e85d7glennrp 91208ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (image->colormap == NULL) 91218ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91228ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (y=0; y < (ssize_t) image->rows; y++) 91238ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 912416ea139d53d867211d3bb0fa859a83de653f687ecristy r=GetAuthenticPixels(image,0,y,image->columns,1,exception); 9125bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 912616ea139d53d867211d3bb0fa859a83de653f687ecristy if (r == (Quantum *) NULL) 91278ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9128bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91298ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (x=0; x < (ssize_t) image->columns; x++) 91308ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 913116ea139d53d867211d3bb0fa859a83de653f687ecristy if (ScaleQuantumToChar(GetPixelRed(image,r)) == 0x49 && 913216ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelGreen(image,r)) == 0x00 && 913316ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(GetPixelBlue(image,r)) == 0x00 && 913416ea139d53d867211d3bb0fa859a83de653f687ecristy GetPixelAlpha(image,r) == OpaqueAlpha) 91358ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 913616ea139d53d867211d3bb0fa859a83de653f687ecristy SetPixelRed(image,ScaleCharToQuantum(0x24),r); 91378ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 913816ea139d53d867211d3bb0fa859a83de653f687ecristy r+=GetPixelChannels(image); 91398ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9140bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91418ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (SyncAuthenticPixels(image,exception) == MagickFalse) 91428ca51ad2da164dabc55b192ed7884b745fde0e26glennrp break; 9143bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 91448ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91458ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91468ca51ad2da164dabc55b192ed7884b745fde0e26glennrp 91478ca51ad2da164dabc55b192ed7884b745fde0e26glennrp else 91488ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91498ca51ad2da164dabc55b192ed7884b745fde0e26glennrp for (i=0; i<image_colors; i++) 91508ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91518ca51ad2da164dabc55b192ed7884b745fde0e26glennrp if (ScaleQuantumToChar(image->colormap[i].red) == 0x49 && 91528ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].green) == 0x00 && 91538ca51ad2da164dabc55b192ed7884b745fde0e26glennrp ScaleQuantumToChar(image->colormap[i].blue) == 0x00) 91548ca51ad2da164dabc55b192ed7884b745fde0e26glennrp { 91558ca51ad2da164dabc55b192ed7884b745fde0e26glennrp image->colormap[i].red=ScaleCharToQuantum(0x24); 91568ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91578ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91588ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 91598ca51ad2da164dabc55b192ed7884b745fde0e26glennrp } 9160fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9161a8036d6466b63ead629795b60772f160cca77c4cglennrp } 9162fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* END OF BUILD_PALETTE */ 9163fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9164fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* If we are excluding the tRNS chunk and there is transparency, 9165fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * then we must write a Gray-Alpha (color-type 4) or RGBA (color-type 6) 9166fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * PNG. 9167fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 91680e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (mng_info->ping_exclude_tRNS != MagickFalse && 91690e8ea19baa0666ccfe869d19116372f60fe9230fglennrp (number_transparent != 0 || number_semitransparent != 0)) 91700e8ea19baa0666ccfe869d19116372f60fe9230fglennrp { 9171d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp unsigned int colortype=mng_info->write_png_colortype; 91720e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91730e8ea19baa0666ccfe869d19116372f60fe9230fglennrp if (ping_have_color == MagickFalse) 91740e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 5; 91750e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91760e8ea19baa0666ccfe869d19116372f60fe9230fglennrp else 91770e8ea19baa0666ccfe869d19116372f60fe9230fglennrp mng_info->write_png_colortype = 7; 91780e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 91798d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp if (colortype != 0 && 9180d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp mng_info->write_png_colortype != colortype) 91810e8ea19baa0666ccfe869d19116372f60fe9230fglennrp ping_need_colortype_warning=MagickTrue; 91820b206f5daa453dc1035db5890cabc899736dc2d0glennrp 91830e8ea19baa0666ccfe869d19116372f60fe9230fglennrp } 91840e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 9185fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* See if cheap transparency is possible. It is only possible 9186fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * when there is a single transparent color, no semitransparent 9187fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * color, and no opaque color that has the same RGB components 91885a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * as the transparent color. We only need this information if 91895a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * we are writing a PNG with colortype 0 or 2, and we have not 91905a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp * excluded the tRNS chunk. 9191fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 91925a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp if (number_transparent == 1 && 91935a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp mng_info->write_png_colortype < 4) 9194fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9195fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickTrue; 9196fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9197fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (number_semitransparent != 0) 9198fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9199fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9200fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else if (image_colors == 0 || image_colors > 256 || 9201fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp image->colormap == NULL) 9202fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 920316ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 9204fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp *q; 9205fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9206fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (y=0; y < (ssize_t) image->rows; y++) 9207fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9208fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp q=GetVirtualPixels(image,0,y,image->columns,1, exception); 9209fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 921016ea139d53d867211d3bb0fa859a83de653f687ecristy if (q == (Quantum *) NULL) 9211fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9212fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9213fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp for (x=0; x < (ssize_t) image->columns; x++) 9214fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 921516ea139d53d867211d3bb0fa859a83de653f687ecristy if (GetPixelAlpha(image,q) != TransparentAlpha && 921616ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelRed(image,q) == 921716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.red && 921816ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelGreen(image,q) == 921916ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.green && 922016ea139d53d867211d3bb0fa859a83de653f687ecristy (unsigned short) GetPixelBlue(image,q) == 922116ea139d53d867211d3bb0fa859a83de653f687ecristy ping_trans_color.blue) 9222fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9223fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9224fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9225fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9226fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 922716ea139d53d867211d3bb0fa859a83de653f687ecristy q+=GetPixelChannels(image); 9228fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9229bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9230fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9231fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp break; 9232fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9233fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9234fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9235fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 923667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp /* Assuming that image->colormap[0] is the one transparent color 923767b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp * and that all others are opaque. 923867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp */ 9239fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (image_colors > 1) 924067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp for (i=1; i<image_colors; i++) 924167b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp if (image->colormap[i].red == image->colormap[0].red && 924267b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].green == image->colormap[0].green && 924367b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp image->colormap[i].blue == image->colormap[0].blue) 9244fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 924567b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp ping_have_cheap_transparency = MagickFalse; 924667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp break; 9247fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9248fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9249bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp 9250fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (logging != MagickFalse) 9251fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp { 9252fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9253fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9254fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is not possible."); 9255fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 9256fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9257fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9258fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Cheap transparency is possible."); 9259fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9260fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp } 9261fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp else 9262fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_cheap_transparency = MagickFalse; 9263fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp 92643c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp image_depth=image->depth; 92653c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 92663c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp quantum_info = (QuantumInfo *) NULL; 92673c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp number_colors=0; 9268f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) image->colors; 926917f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image_matte=image->alpha_trait != UndefinedPixelTrait ? MagickTrue : MagickFalse; 927083c2de583a59e41b57be8036d1cf7392c01d03d7glennrp 927148c20621d4ce02a3833b107f710843d1e524d559glennrp if (mng_info->write_png_colortype < 5) 9272197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette=image->storage_class == PseudoClass && 9273197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp image_colors <= 256 && image->colormap != NULL; 9274197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp else 9275197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp mng_info->IsPalette = MagickFalse; 92763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 927752a479ca718756af72f96e127f8256499ab68f76glennrp if ((mng_info->write_png_colortype == 4 || mng_info->write_png8) && 927852a479ca718756af72f96e127f8256499ab68f76glennrp (image->colors == 0 || image->colormap == NULL)) 927952a479ca718756af72f96e127f8256499ab68f76glennrp { 928016ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 928116ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 928216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(),CoderError, 928315e0155e1d2502703b937a3454bd7907e6fd8dc7glennrp "Cannot write PNG8 or color-type 3; colormap is NULL", 928416ea139d53d867211d3bb0fa859a83de653f687ecristy "`%s'",IMimage->filename); 928552a479ca718756af72f96e127f8256499ab68f76glennrp return(MagickFalse); 928652a479ca718756af72f96e127f8256499ab68f76glennrp } 928752a479ca718756af72f96e127f8256499ab68f76glennrp 92883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 92893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate the PNG structures 92903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 92913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_USER_MEM_SUPPORTED 929216ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.image=image; 929316ea139d53d867211d3bb0fa859a83de653f687ecristy error_info.exception=exception; 92943e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct_2(PNG_LIBPNG_VER_STRING,&error_info, 9295cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler,(void *) NULL, 9296cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (png_malloc_ptr) Magick_png_malloc,(png_free_ptr) Magick_png_free); 92970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 92983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 92993e0971dc28bdc9227481f5a7f9e1510be662ec4aglennrp ping=png_create_write_struct(PNG_LIBPNG_VER_STRING,&error_info, 9300cf002022280cc4dedb2748ad6f415aac1d44f530glennrp MagickPNGErrorHandler,MagickPNGWarningHandler); 93010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping == (png_struct *) NULL) 93043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ping_info=png_create_info_struct(ping); 93070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (ping_info == (png_info *) NULL) 93093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,(png_info **) NULL); 93113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 93123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 93130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_write_fn(ping,image,png_put_data,png_flush_data); 93150997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=(MemoryInfo *) NULL; 93163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 93175af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (setjmp(png_jmpbuf(ping))) 93183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 93193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG write failed. 93213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_DEBUG 93233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 93243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) printf("PNG write has failed.\n"); 93253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 9327868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9328cf002022280cc4dedb2748ad6f415aac1d44f530glennrp UnlockSemaphoreInfo(ping_semaphore); 93293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9330edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 93310997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info != (MemoryInfo *) NULL) 93320997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 9333edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9334edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp if (quantum_info != (QuantumInfo *) NULL) 9335edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp quantum_info=DestroyQuantumInfo(quantum_info); 9336edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 933716ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 933816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 933916ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 934016ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 93413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 93423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9343edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9344edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* { For navigation to end of SETJMP-protected block. Within this 9345edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * block, use png_error() instead of Throwing an Exception, to ensure 9346edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * that libpng is able to clean up, and that the semaphore is unlocked. 9347edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 9348edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9349868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 9350edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp LockSemaphoreInfo(ping_semaphore); 9351edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 9352edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 9353943b7d3decdd71b57fba7c2fe73fa26f380d692fglennrp#ifdef PNG_BENIGN_ERRORS_SUPPORTED 9354a3a5f956194e91458e2789966ad15308e8f3df47glennrp /* Allow benign errors */ 9355a3a5f956194e91458e2789966ad15308e8f3df47glennrp png_set_benign_errors(ping, 1); 9356a3a5f956194e91458e2789966ad15308e8f3df47glennrp#endif 9357a3a5f956194e91458e2789966ad15308e8f3df47glennrp 93583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 93593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Prepare PNG for writing. 93603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 93619bf97b6c2143eb20c330346b01e82102cc082725glennrp 93623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_MNG_FEATURES_SUPPORTED) 93633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 936425024a6b81adca7509dfd90b03c27dbb42c5889bglennrp { 93653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) png_permit_mng_features(ping,PNG_ALL_MNG_FEATURES); 936625024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# ifdef PNG_WRITE_CHECK_FOR_INVALID_INDEX_SUPPORTED 936725024a6b81adca7509dfd90b03c27dbb42c5889bglennrp /* Disable new libpng-1.5.10 feature when writing a MNG because 936825024a6b81adca7509dfd90b03c27dbb42c5889bglennrp * zero-length PLTE is OK 936925024a6b81adca7509dfd90b03c27dbb42c5889bglennrp */ 937025024a6b81adca7509dfd90b03c27dbb42c5889bglennrp png_set_check_for_invalid_index (ping, 0); 937125024a6b81adca7509dfd90b03c27dbb42c5889bglennrp# endif 937225024a6b81adca7509dfd90b03c27dbb42c5889bglennrp } 93732b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#else 93753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 93763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng) 93773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_permit_empty_plte(ping,MagickTrue); 93782b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy# endif 93803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 93812b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x=0; 93832b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93844e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_width=(png_uint_32) image->columns; 93854e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy ping_height=(png_uint_32) image->rows; 93862b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 93873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8 || mng_info->write_png24 || mng_info->write_png32) 93883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 93890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9390fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48 || mng_info->write_png64) 9391fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_depth=16; 9392fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 93933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth != 0) 93943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=mng_info->write_png_depth; 93950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 93963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Adjust requested depth to next higher valid depth if necessary */ 93973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 93983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=16; 93990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image_depth > 4) && (image_depth < 8)) 94013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 94020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 3) 94043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=4; 94050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 94073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9409e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " width=%.20g",(double) ping_width); 94103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9411e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " height=%.20g",(double) ping_height); 94123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94138a46d827a124555f0c48fb2368ec1bba8e079ab6cristy " image_matte=%.20g",(double) image->alpha_trait); 94143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94158640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth=%.20g",(double) image->depth); 94163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 94178640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Tentative ping_bit_depth=%.20g",(double) image_depth); 94183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 94198640fb5e9b1094f35f8beab436f81661b8a99448glennrp 94203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy save_image_depth=image_depth; 94215af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=(png_byte) save_image_depth; 9422dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 942326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 94243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_pHYs_SUPPORTED) 942526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 942626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 942716ea139d53d867211d3bb0fa859a83de653f687ecristy if ((image->resolution.x != 0) && (image->resolution.y != 0) && 94283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (!mng_info->write_mng || !mng_info->equal_physs)) 94293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 94300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 9431dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9432dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp " Setting up pHYs chunk"); 94333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 94343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 94353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9436dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 9437823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_x_resolution= 943816ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.x+0.5)/2.54); 9439823b55c200d7fc1818ab539b036a9c24feaecda8glennrp ping_pHYs_y_resolution= 944016ea139d53d867211d3bb0fa859a83de653f687ecristy (png_uint_32) ((100.0*image->resolution.y+0.5)/2.54); 94413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9442dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 94433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (image->units == PixelsPerCentimeterResolution) 94443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9445dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_METER; 944616ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) (100.0*image->resolution.x+0.5); 944716ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) (100.0*image->resolution.y+0.5); 94483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9449991d11dd9c33e65872778b81aff1347cd2878154glennrp 94503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 94513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9452dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp ping_pHYs_unit_type=PNG_RESOLUTION_UNKNOWN; 945316ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_x_resolution=(png_uint_32) image->resolution.x; 945416ea139d53d867211d3bb0fa859a83de653f687ecristy ping_pHYs_y_resolution=(png_uint_32) image->resolution.y; 94553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9456991d11dd9c33e65872778b81aff1347cd2878154glennrp 9457823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (logging != MagickFalse) 9458823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9459823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Set up PNG pHYs chunk: xres: %.20g, yres: %.20g, units: %d.", 9460823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (double) ping_pHYs_x_resolution,(double) ping_pHYs_y_resolution, 9461823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (int) ping_pHYs_unit_type); 9462991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_pHYs = MagickTrue; 94633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 946426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 94653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 9466a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 946726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 946826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 9469a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if ((!mng_info->adjoin || !mng_info->equal_backgrounds)) 94703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9471a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp unsigned int 9472a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask; 9473a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 9474a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0xffff; 9475a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 8) 9476a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x00ff; 94770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9478a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 4) 9479a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x000f; 94800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9481a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 2) 9482a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0003; 94830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9484a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (ping_bit_depth == 1) 9485a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mask=0x0001; 94860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9487a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.red=(png_uint_16) 9488a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.red) & mask); 94890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9490a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.green=(png_uint_16) 9491a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.green) & mask); 94920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9493a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp ping_background.blue=(png_uint_16) 9494a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp (ScaleQuantumToShort(image->background_color.blue) & mask); 9495c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9496c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp ping_background.gray=(png_uint_16) ping_background.green; 94970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 94980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 94990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95003b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp { 95013b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95023b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Setting up bKGD chunk (1)"); 9503c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9504c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9505c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 95063b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 95073b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " ping_bit_depth=%d",ping_bit_depth); 95093b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp } 95100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 951226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 95133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 95153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Select the color type. 95163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 95173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 95183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy old_bit_depth=0; 95190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95201273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && mng_info->write_png8) 95213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9522fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp /* To do: make this a function cause it's used twice, except 95230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for reducing the sample depth from 8. */ 95240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp number_colors=image_colors; 95268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 95278bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickFalse; 95280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Set image palette. 95310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 95330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95340fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 95360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up PLTE chunk with %d colors (%d)", 9537f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors, image_colors); 95380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95390fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp for (i=0; i < (ssize_t) number_colors; i++) 95400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 95410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 95420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 95430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 95440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (logging != MagickFalse) 95450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 954667b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#if MAGICKCORE_QUANTUM_DEPTH == 8 95470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " %3ld (%3d,%3d,%3d)", 954867b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#else 954967b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp " %5ld (%5d,%5d,%5d)", 955067b9c1a76a0be5ad88b138c4f46dd860b272e1bcglennrp#endif 95510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (long) i,palette[i].red,palette[i].green,palette[i].blue); 95523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 95542b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 95558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_PLTE=MagickTrue; 95568bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=ping_bit_depth; 95578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_num_trans=0; 95585af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 955958e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 95608bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 95610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 95620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp Identify which colormap entry is transparent. 95630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp */ 95640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 95658bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp assert(image->colormap != NULL); 95663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 95678bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (i=0; i < (ssize_t) number_transparent; i++) 95688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_trans_alpha[i]=0; 95690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95712cc891a179d622dde7bbb8854138851e828bc6eaglennrp ping_num_trans=(unsigned short) (number_transparent + 95728bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp number_semitransparent); 95730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 95750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 95760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 95788bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp ping_have_tRNS=MagickTrue; 95798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 95800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95811273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (ping_exclude_bKGD == MagickFalse) 95824f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 95831273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp /* 95841273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp * Identify which colormap entry is the background color. 95851273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp */ 95861273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp 95874f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors-1L,1L); i++) 95884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (IsPNGColorEqual(ping_background,image->colormap[i])) 95894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp break; 95900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 95914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_background.index=(png_byte) i; 9592c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp 9593c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp if (logging != MagickFalse) 9594c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 9595c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9596c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background_color index is %d", 9597c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index); 9598c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 95994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 96003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } /* end of write_png8 */ 96010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9602fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png_colortype == 1) 9603fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 9604fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image_matte=MagickFalse; 9605fd164d2bf84b111e304959af5698757d60e9b8aeglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 9606fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 9607fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 9608fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png24 || mng_info->write_png48 || 9609fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 3) 96103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96125af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9615fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (mng_info->write_png32 || mng_info->write_png64 || 9616fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype == 7) 96173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96195af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* mng_info->write_pngNN not specified */ 96233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 96250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96268bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->write_png_colortype != 0) 96273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96285af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) mng_info->write_png_colortype-1; 96290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96305af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 96315af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 96323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96332cc891a179d622dde7bbb8854138851e828bc6eaglennrp 96348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 96358bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_matte=MagickFalse; 96367c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 96377c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (logging != MagickFalse) 96387c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96397c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp " PNG colortype %d was specified:",(int) ping_color_type); 96403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96427c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else /* write_png_colortype not specified */ 96433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 96453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 96463c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp " Selecting PNG colortype:"); 96470fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9648d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_color_type=(png_byte) ((matte != MagickFalse)? 96498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp PNG_COLOR_TYPE_RGB_ALPHA:PNG_COLOR_TYPE_RGB); 96500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9651d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorType) 96523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96535af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 96553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9657d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (image_info->type == TrueColorMatteType) 96583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96595af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB_ALPHA; 96603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickTrue; 96613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 96620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96635aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_info->type == PaletteType || 96645aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_info->type == PaletteMatteType) 96655aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 96665aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 96677c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0 && 9668261f64eea2c3a5a9586da65af2c59d2a39b05de0glennrp image_info->type == UndefinedType) 96693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 96705aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (ping_have_color == MagickFalse) 96718bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 96725aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 96735aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96745aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY; 96755aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 96765aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 96780b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 96795aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96805aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_GRAY_ALPHA; 96815aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 96825aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 96845aa37f69df93407ddf94afdfd2504f708d8b3242glennrp else 96855aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96865aa37f69df93407ddf94afdfd2504f708d8b3242glennrp if (image_matte == MagickFalse) 96875aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96885aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGB; 96895aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickFalse; 96905aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96918bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 96920b206f5daa453dc1035db5890cabc899736dc2d0glennrp else 96935aa37f69df93407ddf94afdfd2504f708d8b3242glennrp { 96945aa37f69df93407ddf94afdfd2504f708d8b3242glennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_RGBA; 96955aa37f69df93407ddf94afdfd2504f708d8b3242glennrp image_matte=MagickTrue; 96965aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96975aa37f69df93407ddf94afdfd2504f708d8b3242glennrp } 96980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 96995aa37f69df93407ddf94afdfd2504f708d8b3242glennrp 97003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 970326c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97048640fb5e9b1094f35f8beab436f81661b8a99448glennrp " Selected PNG colortype=%d",ping_color_type); 970526c990a974947ce90bfb1d08bcd8794bf85f7a65glennrp 97065af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8) 97070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 97080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA || 97090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB || 97100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_color_type == PNG_COLOR_TYPE_RGB_ALPHA) 97110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_bit_depth=8; 97120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 97133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9714d6bf1617e99df0272b231855a933a74e99b6578fglennrp old_bit_depth=ping_bit_depth; 9715d6bf1617e99df0272b231855a933a74e99b6578fglennrp 97165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 97173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 971817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait == UndefinedPixelTrait && ping_have_non_bw == MagickFalse) 97198d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_bit_depth=1; 97203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97218640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97225af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_PALETTE) 97233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 972435ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one = 1; 97255af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 97260f111984738842d27d04aed2a3f823d82a943506glennrp 97270f111984738842d27d04aed2a3f823d82a943506glennrp if (image->colors == 0) 97280f111984738842d27d04aed2a3f823d82a943506glennrp { 97290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* DO SOMETHING */ 9730edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"image has 0 colors"); 97310f111984738842d27d04aed2a3f823d82a943506glennrp } 97320f111984738842d27d04aed2a3f823d82a943506glennrp 973335ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) < (ssize_t) image_colors) 97345af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 9735d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9737d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (logging != MagickFalse) 9738d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 9739d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9740d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Number of colors: %.20g",(double) image_colors); 97410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9742d6bf1617e99df0272b231855a933a74e99b6578fglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9743d6bf1617e99df0272b231855a933a74e99b6578fglennrp " Tentative PNG bit depth: %d",ping_bit_depth); 9744d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 97450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9746d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (ping_bit_depth < (int) mng_info->write_png_depth) 9747d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_bit_depth = mng_info->write_png_depth; 97483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97492cc891a179d622dde7bbb8854138851e828bc6eaglennrp 97505af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 97512b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 97533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97551a56e9c9268976936eeab9fe97eb664b847e444cglennrp " Tentative PNG color type: %s (%.20g)", 97561a56e9c9268976936eeab9fe97eb664b847e444cglennrp PngColorTypeToString(ping_color_type), 97571a56e9c9268976936eeab9fe97eb664b847e444cglennrp (double) ping_color_type); 97580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9760e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_info->type: %.20g",(double) image_info->type); 97610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9763e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " image_depth: %.20g",(double) image_depth); 97640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 97653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 97663c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp 97678640fb5e9b1094f35f8beab436f81661b8a99448glennrp " image->depth: %.20g",(double) image->depth); 97688640fb5e9b1094f35f8beab436f81661b8a99448glennrp 97698640fb5e9b1094f35f8beab436f81661b8a99448glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 9770e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " ping_bit_depth: %.20g",(double) ping_bit_depth); 97713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 97723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 977358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 97743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 97754f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (mng_info->IsPalette) 97764f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97777c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 97787c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp { 97797c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 97802b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97817c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (ping_have_color != MagickFalse) 97827c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type=PNG_COLOR_TYPE_RGBA; 97837c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp } 97842b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 97853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 97864f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp * Determine if there is any transparent color. 97873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 97884f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (number_transparent + number_semitransparent == 0) 97894f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 97904f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 97914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp No transparent pixels are present. Change 4 or 6 to 0 or 2. 97924f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp */ 9793a6a0663bea94c73cf424f0b49076e7c037d084d4glennrp 97944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image_matte=MagickFalse; 97957c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp 97967c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 97977c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type&=0x03; 97984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 97990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98014f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98024f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp unsigned int 9803bb4f99d3d6ed6a8eee38324baf473c45e4f644e4glennrp mask; 98043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 98054f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0xffff; 98060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98074f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 8) 98084f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x00ff; 98090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98104f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 4) 98114f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x000f; 98120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98134f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 2) 98144f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0003; 98150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98164f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_bit_depth == 1) 98174f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp mask=0x0001; 98180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98194f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red=(png_uint_16) 98204f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].red) & mask); 98210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98224f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green=(png_uint_16) 98234f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].green) & mask); 98240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98254f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue=(png_uint_16) 98264f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (ScaleQuantumToShort(image->colormap[0].blue) & mask); 98270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98284f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray=(png_uint_16) 982916ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(GetPixelInfoIntensity( 98304f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp image->colormap)) & mask); 98310fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.index=(png_byte) 0; 98330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98344f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_have_tRNS=MagickTrue; 98354f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98384f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98394f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp /* 9840fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * Determine if there is one and only one transparent color 9841fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp * and if so if it is fully transparent. 9842fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp */ 9843fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp if (ping_have_cheap_transparency == MagickFalse) 9844fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp ping_have_tRNS=MagickFalse; 98454f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98462b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 98474f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_have_tRNS != MagickFalse) 98484f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98497c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp if (mng_info->write_png_colortype == 0) 98507c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp ping_color_type &= 0x03; /* changes 4 or 6 to 0 or 2 */ 98510fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98524f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (image_depth == 8) 98534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.red&=0xff; 98554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.green&=0xff; 98564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.blue&=0xff; 98574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray&=0xff; 98584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp else 98624f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth == 8) 98643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red&=0xff; 98665af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green&=0xff; 98675af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue&=0xff; 98685af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray&=0xff; 98693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 98728640fb5e9b1094f35f8beab436f81661b8a99448glennrp 98733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy matte=image_matte; 98740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98752e09f55407bbe197cbaf4f88b1d7265f62d7f6c7glennrp if (ping_have_tRNS != MagickFalse) 98763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_matte=MagickFalse; 98770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 987839992b4dd9b12ef752d55b8e402c069698851f72glennrp if ((mng_info->IsPalette) && 98793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE && 98808d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_color == MagickFalse && 98818d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp (image_matte == MagickFalse || image_depth >= 8)) 98823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 988335ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t one=1; 98840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_matte != MagickFalse) 98869c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_color_type=PNG_COLOR_TYPE_GRAY_ALPHA; 98870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 98887c4c9e67499f5a8e5cfd4148a3424bacd8fc635bglennrp else if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_GRAY_ALPHA) 98893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 98905af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=PNG_COLOR_TYPE_GRAY; 98914f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 98923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (save_image_depth == 16 && image_depth == 8) 98934f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98944f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 98954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 98964f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 98974f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color (0)"); 98984f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 98994f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp ping_trans_color.gray*=0x0101; 99004f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 99013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > MAGICKCORE_QUANTUM_DEPTH) 99043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=MAGICKCORE_QUANTUM_DEPTH; 99050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 9906136ee3aa5987c7418c835f7ee741e1af1dadb113glennrp if ((image_colors == 0) || 9907d17915c2c5a29b7f778217765f0f2d354c829e9eglennrp ((ssize_t) (image_colors-1) > (ssize_t) MaxColormapSize)) 9908f09bdedccf9ca10bc002a946227df3367cb58d14glennrp image_colors=(int) (one << image_depth); 99090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth > 8) 99115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=16; 99120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99155af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=8; 99165af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 99173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if(!mng_info->write_png_depth) 99193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 99210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 992235ef824baa82511126ff0072ae30eee0da9c05a3cristy while ((int) (one << ping_bit_depth) 9923bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy < (ssize_t) image_colors) 99245af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 99253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99272b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else if (ping_color_type == 99290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp PNG_COLOR_TYPE_GRAY && image_colors < 17 && 99303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->IsPalette) 99313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if grayscale is reducible */ 99331a0aaa639fb2360f2db93f9b0ed2b42ef6d2106dglennrp 99343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 99353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=MagickTrue, 99363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=MagickTrue, 99373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickTrue; 99383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 9939bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image_colors; i++) 99403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 99423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity; 99433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy intensity=ScaleQuantumToChar(image->colormap[i].red); 99453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 99463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((intensity & 0x0f) != ((intensity & 0xf0) >> 4)) 99473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_4_ok=depth_2_ok=depth_1_ok=MagickFalse; 99483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if ((intensity & 0x03) != ((intensity & 0x0c) >> 2)) 99493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_2_ok=depth_1_ok=MagickFalse; 99504bf89731a90c6e03598950223e19e7be7b95d630glennrp else if ((intensity & 0x01) != ((intensity & 0x02) >> 1)) 99513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy depth_1_ok=MagickFalse; 99523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99532b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (depth_1_ok && mng_info->write_png_depth <= 1) 99559c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=1; 99560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_2_ok && mng_info->write_png_depth <= 2) 99589c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=2; 99590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (depth_4_ok && mng_info->write_png_depth <= 4) 99619c1eb0729653219b9da9037e044501a6dce79d10glennrp ping_bit_depth=4; 99623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99642b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 99655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp image_depth=ping_bit_depth; 99663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 99690fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 99713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 997217a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 997317a1485544c62993fc7a94e343c87fed5f3e6407glennrp 99743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth <= 8) 99753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 99773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Set image palette. 99783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 99795af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_color_type=(png_byte) PNG_COLOR_TYPE_PALETTE; 99800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99813d627862fb79aad8a20be4f1587f0b8761db441aglennrp if (!(mng_info->have_write_global_plte && matte == MagickFalse)) 99823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9983bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) number_colors; i++) 99843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 99853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].red=ScaleQuantumToChar(image->colormap[i].red); 99863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].green=ScaleQuantumToChar(image->colormap[i].green); 99873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palette[i].blue=ScaleQuantumToChar(image->colormap[i].blue); 99883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99903b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 99913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 999298156a3a465a004545e39434c63052b955a74d1cglennrp " Setting up PLTE chunk with %d colors", 9993f09bdedccf9ca10bc002a946227df3367cb58d14glennrp number_colors); 99940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 999539992b4dd9b12ef752d55b8e402c069698851f72glennrp ping_have_PLTE=MagickTrue; 99963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 99970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 99983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* color_type is PNG_COLOR_TYPE_PALETTE */ 9999d6bf1617e99df0272b231855a933a74e99b6578fglennrp if (mng_info->write_png_depth == 0) 100003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10001befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy size_t 10002befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one; 10003befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy 100045af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth=1; 10005befe4d21bf21c8f8fb5c8cc01fe60fe4accac47fcristy one=1; 100060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1000716ea139d53d867211d3bb0fa859a83de653f687ecristy while ((one << ping_bit_depth) < (size_t) number_colors) 100085af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_bit_depth <<= 1; 100093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100115af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_num_trans=0; 100120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1001358e017631f66141a6e36ddbe03a54f6e3ee3a253glennrp if (matte != MagickFalse) 100140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 100150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* 10016d6bf1617e99df0272b231855a933a74e99b6578fglennrp * Set up trans_colors array. 10017d6bf1617e99df0272b231855a933a74e99b6578fglennrp */ 100180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp assert(number_colors <= 256); 100193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10020d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_num_trans=(unsigned short) (number_transparent + 10021d6bf1617e99df0272b231855a933a74e99b6578fglennrp number_semitransparent); 100223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_num_trans == 0) 100240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_tRNS=MagickFalse; 100250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10026d6bf1617e99df0272b231855a933a74e99b6578fglennrp else 100270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 10028c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10029c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10030c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10031c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Scaling ping_trans_color (1)"); 10032c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10033d6bf1617e99df0272b231855a933a74e99b6578fglennrp ping_have_tRNS=MagickTrue; 10034d6bf1617e99df0272b231855a933a74e99b6578fglennrp 10035d6bf1617e99df0272b231855a933a74e99b6578fglennrp for (i=0; i < ping_num_trans; i++) 10036d6bf1617e99df0272b231855a933a74e99b6578fglennrp { 10037750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp ping_trans_alpha[i]= (png_byte) 1003816ea139d53d867211d3bb0fa859a83de653f687ecristy ScaleQuantumToChar(image->colormap[i].alpha); 10039d6bf1617e99df0272b231855a933a74e99b6578fglennrp } 100400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100410fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 100423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 100463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10047c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 100483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_depth < 8) 100493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_depth=8; 100500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 100513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((save_image_depth == 16) && (image_depth == 8)) 100523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100534f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100544f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100554f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100564f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " Scaling ping_trans_color from (%d,%d,%d)", 100574f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100584f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100594f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100604f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100614f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100625af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.red*=0x0101; 100635af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.green*=0x0101; 100645af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.blue*=0x0101; 100655af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp ping_trans_color.gray*=0x0101; 100664f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp 100674f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (logging != MagickFalse) 100684f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp { 100694f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 100704f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp " to (%d,%d,%d)", 100714f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.red, 100724f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.green, 100734f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (int) ping_trans_color.blue); 100744f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp } 100753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 100773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100784383ec8c3c8811128f5a8a034d67c47db5e7e75acristy if (ping_bit_depth < (ssize_t) mng_info->write_png_depth) 100794383ec8c3c8811128f5a8a034d67c47db5e7e75acristy ping_bit_depth = (ssize_t) mng_info->write_png_depth; 100802cc891a179d622dde7bbb8854138851e828bc6eaglennrp 100813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 100823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Adjust background and transparency samples in sub-8-bit grayscale files. 100833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 100845af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_bit_depth < 8 && ping_color_type == 100853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_COLOR_TYPE_GRAY) 100863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 100873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_uint_16 100883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy maxval; 100893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1009035ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 1009135ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 1009235ef824baa82511126ff0072ae30eee0da9c05a3cristy 1009322ffd97a7a54140ebcfe886af90cbdb7bfe41e89cristy maxval=(png_uint_16) ((one << ping_bit_depth)-1); 100943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 100954f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_bKGD == MagickFalse) 1009626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 100973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1009816ea139d53d867211d3bb0fa859a83de653f687ecristy ping_background.gray=(png_uint_16) ((maxval/65535.)* 1009916ea139d53d867211d3bb0fa859a83de653f687ecristy (ScaleQuantumToShort(((GetPixelInfoIntensity( 1010016ea139d53d867211d3bb0fa859a83de653f687ecristy &image->background_color))) +.5))); 1010116ea139d53d867211d3bb0fa859a83de653f687ecristy 101023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101038f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1010416ea139d53d867211d3bb0fa859a83de653f687ecristy " Setting up bKGD chunk (2)"); 1010516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1010616ea139d53d867211d3bb0fa859a83de653f687ecristy " background_color index is %d", 1010716ea139d53d867211d3bb0fa859a83de653f687ecristy (int) ping_background.index); 101083b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 10109991d11dd9c33e65872778b81aff1347cd2878154glennrp ping_have_bKGD = MagickTrue; 1011026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 101113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 101123e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101133e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101143e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " Scaling ping_trans_color.gray from %d", 101153e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (int)ping_trans_color.gray); 101163e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101179be9b1cfe4c5ead507b2ad633cced4321db3c806glennrp ping_trans_color.gray=(png_uint_16) ((maxval/255.)*( 101183e3e20f27f74686a93873f25b015e0e8e40f451dglennrp ping_trans_color.gray)+.5); 101193e3e20f27f74686a93873f25b015e0e8e40f451dglennrp 101203e3e20f27f74686a93873f25b015e0e8e40f451dglennrp if (logging != MagickFalse) 101213e3e20f27f74686a93873f25b015e0e8e40f451dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101223e3e20f27f74686a93873f25b015e0e8e40f451dglennrp " to %d", (int)ping_trans_color.gray); 101233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1012417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1012526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1012626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 101271273f7b031edcb07e2ee4835455712ebdd0b2f60glennrp if (mng_info->IsPalette && (int) ping_color_type == PNG_COLOR_TYPE_PALETTE) 1012817a1485544c62993fc7a94e343c87fed5f3e6407glennrp { 1012917a1485544c62993fc7a94e343c87fed5f3e6407glennrp /* 1013017a1485544c62993fc7a94e343c87fed5f3e6407glennrp Identify which colormap entry is the background color. 1013117a1485544c62993fc7a94e343c87fed5f3e6407glennrp */ 1013217a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1013317a1485544c62993fc7a94e343c87fed5f3e6407glennrp number_colors=image_colors; 1013417a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10135a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp for (i=0; i < (ssize_t) MagickMax(1L*number_colors,1L); i++) 10136a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp if (IsPNGColorEqual(image->background_color,image->colormap[i])) 1013717a1485544c62993fc7a94e343c87fed5f3e6407glennrp break; 1013817a1485544c62993fc7a94e343c87fed5f3e6407glennrp 1013917a1485544c62993fc7a94e343c87fed5f3e6407glennrp ping_background.index=(png_byte) i; 1014017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101413b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101440fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up bKGD chunk with index=%d",(int) i); 101450fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10146a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1014713d07043243e0c8c151aad7db5240b75e76ca281cristy if (i < (ssize_t) number_colors) 10148a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp { 101490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_have_bKGD = MagickTrue; 101503b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 101513b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101530fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " background =(%d,%d,%d)", 101550fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.red, 101560fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.green, 101570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_background.blue); 101580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10159a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp } 1016017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 10161d6bf1617e99df0272b231855a933a74e99b6578fglennrp else /* Can't happen */ 101623c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp { 101633b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 101643b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101653b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " No room in PLTE to add bKGD color"); 101663c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp ping_have_bKGD = MagickFalse; 101673c21811cab8a3b168295e3f0da1909c4e2a7da15glennrp } 1016817a1485544c62993fc7a94e343c87fed5f3e6407glennrp } 1016926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1017017a1485544c62993fc7a94e343c87fed5f3e6407glennrp 101713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101731a56e9c9268976936eeab9fe97eb664b847e444cglennrp " PNG color type: %s (%d)", PngColorTypeToString(ping_color_type), 101741a56e9c9268976936eeab9fe97eb664b847e444cglennrp ping_color_type); 101753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 101763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize compression level and filtering. 101773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 101783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 101800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Setting up deflate compression"); 101820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Compression buffer size: 32768"); 101850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 101860fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_compression_buffer_size(ping,32768L); 101880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 101903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 101913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Compression mem level: 9"); 101920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 101934054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_compression_mem_level(ping, 9); 101944054bfbdca478fe065f01d7f8285f7c173ccfcfccristy 1019510d739ef54404090a55cb8977fc51f85cafa81a5glennrp /* Untangle the "-quality" setting: 1019610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1019710d739ef54404090a55cb8977fc51f85cafa81a5glennrp Undefined is 0; the default is used. 1019810d739ef54404090a55cb8977fc51f85cafa81a5glennrp Default is 75 1019910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1020010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10's digit: 1020110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10202ef804f5802b3d6517d516556b64fccc5843710b6glennrp 0 or omitted: Use Z_HUFFMAN_ONLY strategy with the 1020310d739ef54404090a55cb8977fc51f85cafa81a5glennrp zlib default compression level 1020410d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1020510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1-9: the zlib compression level 1020610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1020710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1's digit: 1020810d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1020910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 0-4: the PNG filter method 1021010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 5: libpng adaptive filtering if compression level > 5 1021210d739ef54404090a55cb8977fc51f85cafa81a5glennrp libpng filter type "none" if compression level <= 5 1021310d739ef54404090a55cb8977fc51f85cafa81a5glennrp or if image is grayscale or palette 10214750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 1021510d739ef54404090a55cb8977fc51f85cafa81a5glennrp 6: libpng adaptive filtering 1021610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1021710d739ef54404090a55cb8977fc51f85cafa81a5glennrp 7: "LOCO" filtering (intrapixel differing) if writing 1021885dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp a MNG, otherwise "none". Did not work in IM-6.7.0-9 1021910d739ef54404090a55cb8977fc51f85cafa81a5glennrp and earlier because of a missing "else". 1022010d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022185dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp 8: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), adaptive 1022285dfe1a0f14d543ecebd2cc0741ba9dcb2fe67bbglennrp filtering. Unused prior to IM-6.7.0-10, was same as 6 1022310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 10224ef804f5802b3d6517d516556b64fccc5843710b6glennrp 9: Z_RLE strategy (or Z_HUFFMAN_ONLY if quality < 10), no PNG filters 102251868258559ddf946fa73ef72dd43507b32623705glennrp Unused prior to IM-6.7.0-10, was same as 6 1022610d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1022710d739ef54404090a55cb8977fc51f85cafa81a5glennrp Note that using the -quality option, not all combinations of 1022810d739ef54404090a55cb8977fc51f85cafa81a5glennrp PNG filter type, zlib compression level, and zlib compression 1022916ea139d53d867211d3bb0fa859a83de653f687ecristy strategy are possible. This will be addressed soon in a 1023016ea139d53d867211d3bb0fa859a83de653f687ecristy release that accomodates "-define png:compression-strategy", etc. 1023110d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023210d739ef54404090a55cb8977fc51f85cafa81a5glennrp */ 1023310d739ef54404090a55cb8977fc51f85cafa81a5glennrp 1023429dd80efe8d7489d5f689a8a723454e684f92a8fdirk quality=image_info->quality == UndefinedCompressionQuality ? 75UL : 1023529dd80efe8d7489d5f689a8a723454e684f92a8fdirk image_info->quality; 102360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102371868258559ddf946fa73ef72dd43507b32623705glennrp if (quality <= 9) 102381868258559ddf946fa73ef72dd43507b32623705glennrp { 102391868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102401868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 102411868258559ddf946fa73ef72dd43507b32623705glennrp } 10242750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp 102431868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_level == 0) 102443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 102463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy level; 102473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10248bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy level=(int) MagickMin((ssize_t) quality/10,9); 102490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102501868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = level+1; 102511868258559ddf946fa73ef72dd43507b32623705glennrp } 102520fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102531868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy == 0) 102541868258559ddf946fa73ef72dd43507b32623705glennrp { 102551868258559ddf946fa73ef72dd43507b32623705glennrp if ((quality %10) == 8 || (quality %10) == 9) 10256a24b245fac14ef0617d691de0942697f2eb31b05glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 10257a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy=Z_RLE+1; 10258a24b245fac14ef0617d691de0942697f2eb31b05glennrp#else 10259a24b245fac14ef0617d691de0942697f2eb31b05glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 10260a24b245fac14ef0617d691de0942697f2eb31b05glennrp#endif 102613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102631868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 0) 102641868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter=((int) quality % 10) + 1; 102651868258559ddf946fa73ef72dd43507b32623705glennrp 102661868258559ddf946fa73ef72dd43507b32623705glennrp if (logging != MagickFalse) 102673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 102681868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level) 102693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102701868258559ddf946fa73ef72dd43507b32623705glennrp " Compression level: %d", 102711868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_level-1); 102720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102731868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy) 102741868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102751868258559ddf946fa73ef72dd43507b32623705glennrp " Compression strategy: %d", 102761868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_strategy-1); 102770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102781868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102791868258559ddf946fa73ef72dd43507b32623705glennrp " Setting up filtering"); 102803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 102814054bfbdca478fe065f01d7f8285f7c173ccfcfccristy if (mng_info->write_png_compression_filter == 6) 1028210d739ef54404090a55cb8977fc51f85cafa81a5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102831868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: ADAPTIVE"); 102844054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 0 || 102854054bfbdca478fe065f01d7f8285f7c173ccfcfccristy mng_info->write_png_compression_filter == 1) 102861868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102871868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: NONE"); 102881868258559ddf946fa73ef72dd43507b32623705glennrp else 102891868258559ddf946fa73ef72dd43507b32623705glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 102901868258559ddf946fa73ef72dd43507b32623705glennrp " Base filter method: %d", 102911868258559ddf946fa73ef72dd43507b32623705glennrp (int) mng_info->write_png_compression_filter-1); 102923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 102930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102941868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_level != 0) 102951868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_level(ping,mng_info->write_png_compression_level-1); 102960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 102971868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_filter == 6) 102981868258559ddf946fa73ef72dd43507b32623705glennrp { 102991868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_GRAY) || 103001868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_PALETTE) || 103011868258559ddf946fa73ef72dd43507b32623705glennrp (quality < 50)) 103021868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103031868258559ddf946fa73ef72dd43507b32623705glennrp else 103041868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 103051868258559ddf946fa73ef72dd43507b32623705glennrp } 103064054bfbdca478fe065f01d7f8285f7c173ccfcfccristy else if (mng_info->write_png_compression_filter == 7 || 103071868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter == 10) 103081868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_ALL_FILTERS); 1030910d739ef54404090a55cb8977fc51f85cafa81a5glennrp 103101868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 8) 103111868258559ddf946fa73ef72dd43507b32623705glennrp { 103121868258559ddf946fa73ef72dd43507b32623705glennrp#if defined(PNG_MNG_FEATURES_SUPPORTED) && defined(PNG_INTRAPIXEL_DIFFERENCING) 103131868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_mng) 103141868258559ddf946fa73ef72dd43507b32623705glennrp { 103151868258559ddf946fa73ef72dd43507b32623705glennrp if (((int) ping_color_type == PNG_COLOR_TYPE_RGB) || 103161868258559ddf946fa73ef72dd43507b32623705glennrp ((int) ping_color_type == PNG_COLOR_TYPE_RGBA)) 103171868258559ddf946fa73ef72dd43507b32623705glennrp ping_filter_method=PNG_INTRAPIXEL_DIFFERENCING; 103181868258559ddf946fa73ef72dd43507b32623705glennrp } 103191868258559ddf946fa73ef72dd43507b32623705glennrp#endif 103204054bfbdca478fe065f01d7f8285f7c173ccfcfccristy png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103211868258559ddf946fa73ef72dd43507b32623705glennrp } 103220fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103231868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter == 9) 103241868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE,PNG_NO_FILTERS); 103250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103261868258559ddf946fa73ef72dd43507b32623705glennrp else if (mng_info->write_png_compression_filter != 0) 103271868258559ddf946fa73ef72dd43507b32623705glennrp png_set_filter(ping,PNG_FILTER_TYPE_BASE, 103281868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter-1); 103290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 103301868258559ddf946fa73ef72dd43507b32623705glennrp if (mng_info->write_png_compression_strategy != 0) 103311868258559ddf946fa73ef72dd43507b32623705glennrp png_set_compression_strategy(ping, 103321868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy-1); 103332b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10334dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method=image_info->interlace != NoInterlace; 10335dec72c9b492c176af9813be3105518e91835ed37glennrp 10336dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_mng) 10337dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_sig_bytes(ping,8); 10338dec72c9b492c176af9813be3105518e91835ed37glennrp 10339dec72c9b492c176af9813be3105518e91835ed37glennrp /* Bail out if cannot meet defined png:bit-depth or png:color-type */ 10340dec72c9b492c176af9813be3105518e91835ed37glennrp 10341dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype != 0) 10342dec72c9b492c176af9813be3105518e91835ed37glennrp { 10343dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY) 10344dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10345dec72c9b492c176af9813be3105518e91835ed37glennrp { 10346dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB; 10347dec72c9b492c176af9813be3105518e91835ed37glennrp 10348dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_bit_depth < 8) 10349dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth=8; 10350dec72c9b492c176af9813be3105518e91835ed37glennrp } 10351dec72c9b492c176af9813be3105518e91835ed37glennrp 10352dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_GRAY_ALPHA) 10353dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_have_color != MagickFalse) 10354dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type = PNG_COLOR_TYPE_RGB_ALPHA; 10355dec72c9b492c176af9813be3105518e91835ed37glennrp } 10356dec72c9b492c176af9813be3105518e91835ed37glennrp 10357dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse || 10358dec72c9b492c176af9813be3105518e91835ed37glennrp ((mng_info->write_png_depth && 10359dec72c9b492c176af9813be3105518e91835ed37glennrp (int) mng_info->write_png_depth != ping_bit_depth) || 10360dec72c9b492c176af9813be3105518e91835ed37glennrp (mng_info->write_png_colortype && 10361dec72c9b492c176af9813be3105518e91835ed37glennrp ((int) mng_info->write_png_colortype-1 != ping_color_type && 10362dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype != 7 && 10363dec72c9b492c176af9813be3105518e91835ed37glennrp !(mng_info->write_png_colortype == 5 && ping_color_type == 0))))) 10364dec72c9b492c176af9813be3105518e91835ed37glennrp { 10365dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10366dec72c9b492c176af9813be3105518e91835ed37glennrp { 10367dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_need_colortype_warning != MagickFalse) 10368dec72c9b492c176af9813be3105518e91835ed37glennrp { 10369dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10370dec72c9b492c176af9813be3105518e91835ed37glennrp " Image has transparency but tRNS chunk was excluded"); 10371dec72c9b492c176af9813be3105518e91835ed37glennrp } 10372dec72c9b492c176af9813be3105518e91835ed37glennrp 10373dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_depth) 10374dec72c9b492c176af9813be3105518e91835ed37glennrp { 10375dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10376dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:bit-depth=%u, Computed depth=%u", 10377dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_depth, 10378dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth); 10379dec72c9b492c176af9813be3105518e91835ed37glennrp } 10380dec72c9b492c176af9813be3105518e91835ed37glennrp 10381dec72c9b492c176af9813be3105518e91835ed37glennrp if (mng_info->write_png_colortype) 10382dec72c9b492c176af9813be3105518e91835ed37glennrp { 10383dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10384dec72c9b492c176af9813be3105518e91835ed37glennrp " Defined png:color-type=%u, Computed color type=%u", 10385dec72c9b492c176af9813be3105518e91835ed37glennrp mng_info->write_png_colortype-1, 10386dec72c9b492c176af9813be3105518e91835ed37glennrp ping_color_type); 10387dec72c9b492c176af9813be3105518e91835ed37glennrp } 10388dec72c9b492c176af9813be3105518e91835ed37glennrp } 10389dec72c9b492c176af9813be3105518e91835ed37glennrp 10390dec72c9b492c176af9813be3105518e91835ed37glennrp png_warning(ping, 10391dec72c9b492c176af9813be3105518e91835ed37glennrp "Cannot write image with defined png:bit-depth or png:color-type."); 10392dec72c9b492c176af9813be3105518e91835ed37glennrp } 10393dec72c9b492c176af9813be3105518e91835ed37glennrp 1039417f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image_matte != MagickFalse && image->alpha_trait == UndefinedPixelTrait) 10395dec72c9b492c176af9813be3105518e91835ed37glennrp { 10396dec72c9b492c176af9813be3105518e91835ed37glennrp /* Add an opaque matte channel */ 10397dec72c9b492c176af9813be3105518e91835ed37glennrp image->alpha_trait = BlendPixelTrait; 10398dec72c9b492c176af9813be3105518e91835ed37glennrp (void) SetImageAlpha(image,OpaqueAlpha,exception); 10399dec72c9b492c176af9813be3105518e91835ed37glennrp 10400dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10401dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10402dec72c9b492c176af9813be3105518e91835ed37glennrp " Added an opaque matte channel"); 10403dec72c9b492c176af9813be3105518e91835ed37glennrp } 10404dec72c9b492c176af9813be3105518e91835ed37glennrp 10405dec72c9b492c176af9813be3105518e91835ed37glennrp if (number_transparent != 0 || number_semitransparent != 0) 10406dec72c9b492c176af9813be3105518e91835ed37glennrp { 10407dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type < 4) 10408dec72c9b492c176af9813be3105518e91835ed37glennrp { 10409dec72c9b492c176af9813be3105518e91835ed37glennrp ping_have_tRNS=MagickTrue; 10410dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10411dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10412dec72c9b492c176af9813be3105518e91835ed37glennrp " Setting ping_have_tRNS=MagickTrue."); 10413dec72c9b492c176af9813be3105518e91835ed37glennrp } 10414dec72c9b492c176af9813be3105518e91835ed37glennrp } 10415dec72c9b492c176af9813be3105518e91835ed37glennrp 10416dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10417dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10418dec72c9b492c176af9813be3105518e91835ed37glennrp " Writing PNG header chunks"); 10419dec72c9b492c176af9813be3105518e91835ed37glennrp 10420dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_IHDR(ping,ping_info,ping_width,ping_height, 10421dec72c9b492c176af9813be3105518e91835ed37glennrp ping_bit_depth,ping_color_type, 10422dec72c9b492c176af9813be3105518e91835ed37glennrp ping_interlace_method,ping_compression_method, 10423dec72c9b492c176af9813be3105518e91835ed37glennrp ping_filter_method); 10424dec72c9b492c176af9813be3105518e91835ed37glennrp 10425dec72c9b492c176af9813be3105518e91835ed37glennrp if (ping_color_type == 3 && ping_have_PLTE != MagickFalse) 10426dec72c9b492c176af9813be3105518e91835ed37glennrp { 10427dec72c9b492c176af9813be3105518e91835ed37glennrp png_set_PLTE(ping,ping_info,palette,number_colors); 10428dec72c9b492c176af9813be3105518e91835ed37glennrp 10429dec72c9b492c176af9813be3105518e91835ed37glennrp if (logging != MagickFalse) 10430dec72c9b492c176af9813be3105518e91835ed37glennrp { 10431dec72c9b492c176af9813be3105518e91835ed37glennrp for (i=0; i< (ssize_t) number_colors; i++) 10432dec72c9b492c176af9813be3105518e91835ed37glennrp { 10433dec72c9b492c176af9813be3105518e91835ed37glennrp if (i < ping_num_trans) 10434dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10435dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d), tRNS[%d] = (%d)", 10436dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10437dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10438dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10439dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue, 10440dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10441dec72c9b492c176af9813be3105518e91835ed37glennrp (int) ping_trans_alpha[i]); 10442dec72c9b492c176af9813be3105518e91835ed37glennrp else 10443dec72c9b492c176af9813be3105518e91835ed37glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10444dec72c9b492c176af9813be3105518e91835ed37glennrp " PLTE[%d] = (%d,%d,%d)", 10445dec72c9b492c176af9813be3105518e91835ed37glennrp (int) i, 10446dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].red, 10447dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].green, 10448dec72c9b492c176af9813be3105518e91835ed37glennrp (int) palette[i].blue); 10449dec72c9b492c176af9813be3105518e91835ed37glennrp } 10450dec72c9b492c176af9813be3105518e91835ed37glennrp } 10451dec72c9b492c176af9813be3105518e91835ed37glennrp } 10452dec72c9b492c176af9813be3105518e91835ed37glennrp 104530d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy /* Only write the iCCP chunk if we are not writing the sRGB chunk. */ 104540d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if (ping_exclude_sRGB != MagickFalse || 104553d627862fb79aad8a20be4f1587f0b8761db441aglennrp (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 104560d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy { 104570d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy if ((ping_exclude_tEXt == MagickFalse || 104580d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy ping_exclude_zTXt == MagickFalse) && 104590d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy (ping_exclude_iCCP == MagickFalse || ping_exclude_zCCP == MagickFalse)) 10460c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10461c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp ResetImageProfileIterator(image); 10462c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp for (name=GetNextImageProfile(image); name != (const char *) NULL; ) 104633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10464c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp profile=GetImageProfile(image,name); 104650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10466c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (profile != (StringInfo *) NULL) 10467c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10468c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp#ifdef PNG_WRITE_iCCP_SUPPORTED 10469c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if ((LocaleCompare(name,"ICC") == 0) || 10470c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (LocaleCompare(name,"ICM") == 0)) 1047126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 10472c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp 10473c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_iCCP == MagickFalse) 10474c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10475ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10476ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up iCCP chunk"); 10477ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 1047816ea139d53d867211d3bb0fa859a83de653f687ecristy png_set_iCCP(ping,ping_info,(png_charp) name,0, 10479e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#if (PNG_LIBPNG_VER < 10500) 10480c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_charp) GetStringInfoDatum(profile), 10481e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#else 10482e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp (png_const_bytep) GetStringInfoDatum(profile), 10483e4017e34baec05ee0a45800ed8efb2ff6d5c9f5aglennrp#endif 10484c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10485918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP = MagickTrue; 10486c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 1048726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 104880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10489c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp else 104903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 10491c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (ping_exclude_zCCP == MagickFalse) 10492c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp { 10493ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10494ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp " Setting up zTXT chunk with uuencoded ICC"); 10495cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_png_write_raw_profile(image_info,ping,ping_info, 10496c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (unsigned char *) name,(unsigned char *) name, 10497c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp GetStringInfoDatum(profile), 10498c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (png_uint_32) GetStringInfoLength(profile)); 10499ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP = MagickTrue; 10500c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 10501c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105020b206f5daa453dc1035db5890cabc899736dc2d0glennrp 10503c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp if (logging != MagickFalse) 10504c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10505c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " Setting up text chunk with %s profile",name); 105060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10507c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp name=GetNextImageProfile(image); 10508c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp } 105090d57eecc316d3f57bd2c77ebbda7fc5fc95f2523cristy } 105103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 105113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 105123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_sRGB_SUPPORTED) 105133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_srgb == 0) && 10514ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp ping_have_iCCP != MagickTrue && 10515ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp (ping_have_sRGB != MagickFalse || 10516ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1051826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_sRGB == MagickFalse) 1051926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1052026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1052126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image rendering intent. 1052226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1052326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1052426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1052526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up sRGB chunk"); 105260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1052726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) png_set_sRGB(ping,ping_info,( 10528cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 10529cf002022280cc4dedb2748ad6f415aac1d44f530glennrp image->rendering_intent))); 10530918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp 10531918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB = MagickTrue; 1053226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1053426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 105355af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if ((!mng_info->write_mng) || (!png_get_valid(ping,ping_info,PNG_INFO_sRGB))) 105363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 105373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105382cc891a179d622dde7bbb8854138851e828bc6eaglennrp if (ping_exclude_gAMA == MagickFalse && 10539918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_iCCP == MagickFalse && 10540918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp ping_have_sRGB == MagickFalse && 105412cc891a179d622dde7bbb8854138851e828bc6eaglennrp (ping_exclude_sRGB == MagickFalse || 1054226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->gamma < .45 || image->gamma > .46))) 1054326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 105443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->have_write_global_gama == 0) && (image->gamma != 0.0)) 105453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 105463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 105473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Note image gamma. 105483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 105493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 105503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 105513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 105523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Setting up gAMA chunk"); 105533b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 105543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_gAMA(ping,ping_info,image->gamma); 105553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1055626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105572b013e4b9b602533eff410e61c3683fb2a3ab913glennrp 10558918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp if (ping_exclude_cHRM == MagickFalse && ping_have_sRGB == MagickFalse) 105593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1056026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if ((mng_info->have_write_global_chrm == 0) && 1056126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (image->chromaticity.red_primary.x != 0.0)) 1056226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1056326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* 1056426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp Note image chromaticity. 10565918b9dc4bb00c06632ccc6169ea05a828f7b6fc1glennrp Note: if cHRM+gAMA == sRGB write sRGB instead. 1056626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp */ 1056726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PrimaryInfo 1056826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp, 1056926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp, 1057026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp, 1057126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp; 1057226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1057326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp wp=image->chromaticity.white_point; 1057426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp rp=image->chromaticity.red_primary; 1057526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp gp=image->chromaticity.green_primary; 1057626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp=image->chromaticity.blue_primary; 1057726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1057826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1057926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1058026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up cHRM chunk"); 1058126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1058226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_cHRM(ping,ping_info,wp.x,wp.y,rp.x,rp.y,gp.x,gp.y, 1058326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp bp.x,bp.y); 1058426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1058526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 105863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10587dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1058826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_bKGD == MagickFalse) 1058926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1059026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_bKGD != MagickFalse) 10591c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 1059226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_bKGD(ping,ping_info,&ping_background); 105938fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10594c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp { 10595c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10596c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " Setting up bKGD chunk"); 10597c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10598c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " background color = (%d,%d,%d)", 10599c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.red, 10600c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.green, 10601c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.blue); 10602c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10603c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp " index = %d, gray=%d", 10604c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.index, 10605c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp (int) ping_background.gray); 10606c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 10607c6c391a2036b6e500b986d1635c50b9a89ea331dglennrp } 1060826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10609991d11dd9c33e65872778b81aff1347cd2878154glennrp 1061026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_pHYs == MagickFalse) 10611dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1061226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_have_pHYs != MagickFalse) 1061326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1061426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_pHYs(ping,ping_info, 1061526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_x_resolution, 1061626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_y_resolution, 1061726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ping_pHYs_unit_type); 10618823b55c200d7fc1818ab539b036a9c24feaecda8glennrp 106198fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (logging != MagickFalse) 10620823b55c200d7fc1818ab539b036a9c24feaecda8glennrp { 10621823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10622823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " Setting up pHYs chunk"); 10623823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10624823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " x_resolution=%lu", 10625823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_x_resolution); 10626823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10627823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " y_resolution=%lu", 10628823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_y_resolution); 10629823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10630823b55c200d7fc1818ab539b036a9c24feaecda8glennrp " unit_type=%lu", 10631823b55c200d7fc1818ab539b036a9c24feaecda8glennrp (unsigned long) ping_pHYs_unit_type); 10632823b55c200d7fc1818ab539b036a9c24feaecda8glennrp } 1063326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10634dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10635dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10636dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#if defined(PNG_oFFs_SUPPORTED) 106374f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if (ping_exclude_oFFs == MagickFalse) 10638dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp { 1063926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (image->page.x || image->page.y) 1064026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1064126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_set_oFFs(ping,ping_info,(png_int_32) image->page.x, 1064226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (png_int_32) image->page.y, 0); 10643dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 1064426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (logging != MagickFalse) 1064526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1064626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " Setting up oFFs chunk with x=%d, y=%d, units=0", 1064726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (int) image->page.x, (int) image->page.y); 1064826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 10649dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp } 10650dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp#endif 10651dfd7080ae717c8ddb013b59958f2d0790f5e3145glennrp 10652fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#if defined(PNG_tIME_SUPPORTED) 10653fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (ping_exclude_tIME == MagickFalse) 10654fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 10655fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk const char 10656fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk *timestamp; 10657fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 1065839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (image->taint == MagickFalse) 10659fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk { 1066039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageOption(image_info,"png:tIME"); 1066139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1066239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp == (const char *) NULL) 10663fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk timestamp=GetImageProperty(image,"png:tIME",exception); 10664fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 1066539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1066639d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp else 1066739d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp { 1066839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1066939d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp " Reset tIME in tainted image"); 1067039d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1067139d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp timestamp=GetImageProperty(image,"date:modify",exception); 1067239d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp } 1067339d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 1067439d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp if (timestamp != (const char *) NULL) 1067539d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp write_tIME_chunk(image,ping,ping_info,timestamp,exception); 10676fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk } 10677fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk#endif 1067839d99e13b7e8233a9ce9fc6d9fd425829426525bglennrp 10679da8f3a7bfddac2680a3069a490db541e7944edafglennrp if (mng_info->need_blob != MagickFalse) 10680da8f3a7bfddac2680a3069a490db541e7944edafglennrp { 1068116ea139d53d867211d3bb0fa859a83de653f687ecristy if (OpenBlob(image_info,image,WriteBinaryBlobMode,exception) == 10682da8f3a7bfddac2680a3069a490db541e7944edafglennrp MagickFalse) 10683da8f3a7bfddac2680a3069a490db541e7944edafglennrp png_error(ping,"WriteBlob Failed"); 10684da8f3a7bfddac2680a3069a490db541e7944edafglennrp 10685da8f3a7bfddac2680a3069a490db541e7944edafglennrp ping_have_blob=MagickTrue; 10686da8f3a7bfddac2680a3069a490db541e7944edafglennrp } 10687da8f3a7bfddac2680a3069a490db541e7944edafglennrp 106883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info_before_PLTE(ping, ping_info); 10689991d11dd9c33e65872778b81aff1347cd2878154glennrp 1069039992b4dd9b12ef752d55b8e402c069698851f72glennrp if (ping_have_tRNS != MagickFalse && ping_color_type < 4) 10691991d11dd9c33e65872778b81aff1347cd2878154glennrp { 106923b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 106930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 106940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 106950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp " Calling png_set_tRNS with num_trans=%d",ping_num_trans); 106960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10697991d11dd9c33e65872778b81aff1347cd2878154glennrp 106980fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if (ping_color_type == 3) 106990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_trans_alpha, 107010fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp ping_num_trans, 107020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL); 10703991d11dd9c33e65872778b81aff1347cd2878154glennrp 107040fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp else 107050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) png_set_tRNS(ping, ping_info, 107070fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp NULL, 107080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 0, 107090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp &ping_trans_color); 107100fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107113b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107120fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp { 107130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10714c8cbc5d89664c67b8a8f3f4619fc7ce19ea654bcglennrp " tRNS color =(%d,%d,%d)", 107150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.red, 107160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.green, 107170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp (int) ping_trans_color.blue); 107180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107190fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 107200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp } 10721991d11dd9c33e65872778b81aff1347cd2878154glennrp 107223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any png-chunk-b profiles */ 10723cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-b",logging); 10724da8f3a7bfddac2680a3069a490db541e7944edafglennrp 107253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_info(ping,ping_info); 10726991d11dd9c33e65872778b81aff1347cd2878154glennrp 107273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-m profiles */ 10728cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-m",logging); 107293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1073026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (ping_exclude_vpAg == MagickFalse) 107313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 107324f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp if ((image->page.width != 0 && image->page.width != image->columns) || 107334f25bd0f2f7f8673457c20de30664b5982b57b7cglennrp (image->page.height != 0 && image->page.height != image->rows)) 1073426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1073526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp unsigned char 1073626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[14]; 1073726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1073826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 1073926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGType(chunk,mng_vpAg); 1074003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 1074126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+4,(png_uint_32) image->page.width); 1074226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp PNGLong(chunk+8,(png_uint_32) image->page.height); 1074326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp chunk[12]=0; /* unit = pixels */ 1074426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlob(image,13,chunk); 1074526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 1074626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 107473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if (PNG_LIBPNG_VER == 10206) 107509c1eb0729653219b9da9037e044501a6dce79d10glennrp /* avoid libpng-1.2.6 bug by setting PNG_HAVE_IDAT flag */ 107513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define PNG_HAVE_IDAT 0x04 107529c1eb0729653219b9da9037e044501a6dce79d10glennrp ping->mode |= PNG_HAVE_IDAT; 107533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#undef PNG_HAVE_IDAT 107543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 107553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 107563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_set_packing(ping); 107573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate memory. 107593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes=image->columns; 10761b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp if (image_depth > 8) 10762b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 107637202c101b42be63076be56386f79429bb2f39784cristy switch (ping_color_type) 107643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10765b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGB: 107663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=3; 10767b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10769b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_GRAY_ALPHA: 10770b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp rowbytes*=2; 10771b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10773b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp case PNG_COLOR_TYPE_RGBA: 107743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy rowbytes*=4; 10775b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10777b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp default: 10778b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp break; 107793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107803b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp 107813b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse) 107823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10783b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10784b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing PNG image data"); 107850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10786b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10787e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Allocating %.20g bytes of memory for pixels",(double) rowbytes); 107883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 107890997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=AcquireVirtualMemory(rowbytes,sizeof(*ping_pixels)); 107900997332e2c35a821b271d6e7473c01c10dc206adcristy if (pixel_info == (MemoryInfo *) NULL) 10791edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Allocation of memory for pixels failed"); 107920997332e2c35a821b271d6e7473c01c10dc206adcristy ping_pixels=(unsigned char *) GetVirtualMemoryBlob(pixel_info); 107930fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 107943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 107953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize image scanlines. 107963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 107975f766ef8b0cd9906c2c3a56d845828380a251073cristy quantum_info=AcquireQuantumInfo(image_info,image); 10798ed5525230af20461366cdc5b8bbe0f7f9b166c44cristy if (quantum_info == (QuantumInfo *) NULL) 10799edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping,"Memory allocation for quantum_info failed"); 108003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->format=UndefinedQuantumFormat; 108013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=image_depth; 108024b840d7930c24dbb98f8b9926b8f09f1e1b98970glennrp (void) SetQuantumEndian(image,quantum_info,MSBEndian); 108033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_passes=png_set_interlace_handling(ping); 108048bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 108053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((!mng_info->write_png8 && !mng_info->write_png24 && 10806fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 108078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp !mng_info->write_png32) && 108088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (mng_info->IsPalette || 108093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image_info->type == BilevelType)) && 108108d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp image_matte == MagickFalse && 108118d579660c9b96b7a3f3292fc6c518f8b6ca44d50glennrp ping_have_non_bw == MagickFalse) 108123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp /* Palette, Bilevel, or Opaque Monochrome */ 1081416ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 108160fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy quantum_info->depth=8; 108183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (pass=0; pass < num_passes; pass++) 108193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 108213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a PNG monochrome image. 108223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 10823bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 108243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10825d71e86a4e57997f1aad16e85b542612b1d2f9b6eglennrp if (logging != MagickFalse && y == 0) 108263b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 108273b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp " Writing row of pixels (0)"); 10828a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp 1082916ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 108300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1083116ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 108323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 108353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1083616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1083716ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 108383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 == PNG_COLOR_TYPE_PALETTE && 108393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth && 108403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png_depth != old_bit_depth) 108413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Undo pixel scaling */ 10843bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10844cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) (*(ping_pixels+i) 108453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy >> (8-old_bit_depth)); 108463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 108503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1085116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1085216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 108533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype-1 != PNG_COLOR_TYPE_PALETTE) 10856bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->columns; i++) 10857cf002022280cc4dedb2748ad6f415aac1d44f530glennrp *(ping_pixels+i)=(unsigned char) ((*(ping_pixels+i) > 127) ? 108583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 255 : 0); 108590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108603b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10861b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 10862b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Writing row of pixels (1)"); 108630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 10864cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10865af9320404a7b05014476f844b11110157a21b73eglennrp 10866af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10867af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10868af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 10869af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10870af9320404a7b05014476f844b11110157a21b73eglennrp break; 108713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 108740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* Not Palette, Bilevel, or Opaque Monochrome */ 108763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp if ((!mng_info->write_png8 && !mng_info->write_png24 && 10878fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png48 && !mng_info->write_png64 && 10879fd164d2bf84b111e304959af5698757d60e9b8aeglennrp !mng_info->write_png32) && (image_matte != MagickFalse || 10880fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (ping_bit_depth >= MAGICKCORE_QUANTUM_DEPTH)) && 10881fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (mng_info->IsPalette) && ping_have_color == MagickFalse) 108823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1088316ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 108848bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 108850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 108868bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 108873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108888bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 10889bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) image->rows; y++) 108903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1089116ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1,exception); 108922cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1089316ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 108943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 108952cc891a179d622dde7bbb8854138851e828bc6eaglennrp 108965af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 108973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 108988bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (mng_info->IsPalette) 1089916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1090016ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 1090316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1090416ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109052cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109068bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY PNG pixels (2)"); 109093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 109102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else /* PNG_COLOR_TYPE_GRAY_ALPHA */ 10912b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 109133b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10914b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (2)"); 109162cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1091716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1091816ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayAlphaQuantum,ping_pixels,exception); 10919b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 109202cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109213b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10922b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (2)"); 109242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10925cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 109262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10927af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10928af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10929af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 10930af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10931af9320404a7b05014476f844b11110157a21b73eglennrp break; 109328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109338bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109348bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 109373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1093816ea139d53d867211d3bb0fa859a83de653f687ecristy register const Quantum 109398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp *p; 109400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 109418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (pass=0; pass < num_passes; pass++) 109423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10943fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if ((image_depth > 8) || 10944fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || 109458bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp mng_info->write_png32 || 10946fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || 10947fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 || 10948fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 109498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 10951b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp { 10952862a33cdfa342ec7df3a7c4b4b46def7c45712b3cristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 109532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1095416ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 109558bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 109562cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109578bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 109588bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 109598bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (image->storage_class == DirectClass) 1096016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1096116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RedQuantum,ping_pixels,exception); 109622cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1096416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1096516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 109668bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109672cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109688bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 109698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1097016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 10971cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1097216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 109732cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109748bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 109758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (3)"); 109778bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 109782cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109798bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (image_matte != MagickFalse) 1098016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098116ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBAQuantum,ping_pixels,exception); 109822cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109838bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 1098416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1098516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,RGBQuantum,ping_pixels,exception); 109862cc891a179d622dde7bbb8854138851e828bc6eaglennrp 109873b51f0e7f4f7cce3e7466784c8b4e5dac9f55741glennrp if (logging != MagickFalse && y == 0) 10988b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 109898bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing row of pixels (3)"); 109902cc891a179d622dde7bbb8854138851e828bc6eaglennrp 10991cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 10992af9320404a7b05014476f844b11110157a21b73eglennrp 10993af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 10994af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 10995af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 10996af9320404a7b05014476f844b11110157a21b73eglennrp if (status == MagickFalse) 10997af9320404a7b05014476f844b11110157a21b73eglennrp break; 10998b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp } 109998bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110002cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110018bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 11002fd164d2bf84b111e304959af5698757d60e9b8aeglennrp /* not ((image_depth > 8) || 11003fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 || mng_info->write_png32 || 11004fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 || mng_info->write_png64 || 11005fd164d2bf84b111e304959af5698757d60e9b8aeglennrp (!mng_info->write_png8 && !mng_info->IsPalette)) 11006fd164d2bf84b111e304959af5698757d60e9b8aeglennrp */ 110078bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110088bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if ((ping_color_type != PNG_COLOR_TYPE_GRAY) && 110098bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (ping_color_type != PNG_COLOR_TYPE_GRAY_ALPHA)) 110108bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110118bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse) 110128bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110138bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is not GRAY or GRAY_ALPHA",pass); 110142cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110158bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp quantum_info->depth=8; 110168bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp image_depth=8; 110178bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110198bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp for (y=0; y < (ssize_t) image->rows; y++) 110208640fb5e9b1094f35f8beab436f81661b8a99448glennrp { 110218bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110228bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110238bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " pass %d, Image Is RGB, 16-bit GRAY, or GRAY_ALPHA",pass); 110242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1102516ea139d53d867211d3bb0fa859a83de653f687ecristy p=GetVirtualPixels(image,0,y,image->columns,1, exception); 110262cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1102716ea139d53d867211d3bb0fa859a83de653f687ecristy if (p == (const Quantum *) NULL) 110288bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110292cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110308bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (ping_color_type == PNG_COLOR_TYPE_GRAY) 1103144757ab033a4bc1f272fb26c9a46325ca01a5482glennrp { 110324bf89731a90c6e03598950223e19e7be7b95d630glennrp quantum_info->depth=image->depth; 110334bf89731a90c6e03598950223e19e7be7b95d630glennrp 1103416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1103516ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,GrayQuantum,ping_pixels,exception); 1103644757ab033a4bc1f272fb26c9a46325ca01a5482glennrp } 110372cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110388bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else if (ping_color_type == PNG_COLOR_TYPE_GRAY_ALPHA) 110398bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 110408bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (logging != MagickFalse && y == 0) 110418bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110428bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp " Writing GRAY_ALPHA PNG pixels (4)"); 110432cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1104416ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 11045cf002022280cc4dedb2748ad6f415aac1d44f530glennrp quantum_info,GrayAlphaQuantum,ping_pixels, 1104616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 110478bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110482cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110498bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp else 110508bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp { 1105116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ExportQuantumPixels(image,(CacheView *) NULL, 1105216ea139d53d867211d3bb0fa859a83de653f687ecristy quantum_info,IndexQuantum,ping_pixels,exception); 110532cc891a179d622dde7bbb8854138851e828bc6eaglennrp 110545eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp if (logging != MagickFalse && y <= 2) 110555eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp { 110565eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110571a7d6dbd296698a7cddbc625896987bf674c0cc4glennrp " Writing row of non-gray pixels (4)"); 110585eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp 110595eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110605eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp " ping_pixels[0]=%d,ping_pixels[1]=%d", 110615eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp (int)ping_pixels[0],(int)ping_pixels[1]); 110625eae76090b1e30c1e546508dd1d17711ddd3fcc0glennrp } 110638bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 11064cf002022280cc4dedb2748ad6f415aac1d44f530glennrp png_write_row(ping,ping_pixels); 110652cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11066af9320404a7b05014476f844b11110157a21b73eglennrp status=SetImageProgress(image,LoadImageTag, 11067af9320404a7b05014476f844b11110157a21b73eglennrp (MagickOffsetType) (pass * image->rows + y), 11068af9320404a7b05014476f844b11110157a21b73eglennrp num_passes * image->rows); 110698bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp if (status == MagickFalse) 110708bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp break; 110718640fb5e9b1094f35f8beab436f81661b8a99448glennrp } 11072af9320404a7b05014476f844b11110157a21b73eglennrp } 110733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110758bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp } 110768bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 11077b32b90a7e1ee2275333589072c496b5f69e17feccristy if (quantum_info != (QuantumInfo *) NULL) 11078b32b90a7e1ee2275333589072c496b5f69e17feccristy quantum_info=DestroyQuantumInfo(quantum_info); 110793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 110803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 110813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11083b4a1341a4d06abe5f603ad9052b6ddc1a667dcd5glennrp " Wrote PNG image data"); 110840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11086e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Width: %.20g",(double) ping_width); 110870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11089e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Height: %.20g",(double) ping_height); 110900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_depth) 110923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 110933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110945d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:bit-depth: %d",mng_info->write_png_depth); 110953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 110960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 110973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 110985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG bit-depth written: %d",ping_bit_depth); 110990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png_colortype) 111013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111035d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Defined png:color-type: %d",mng_info->write_png_colortype-1); 111043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111075af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG color-type written: %d",ping_color_type); 111080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111105af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp " PNG Interlace method: %d",ping_interlace_method); 111113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11113a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp Generate text chunks after IDAT. 111143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11115823b55c200d7fc1818ab539b036a9c24feaecda8glennrp if (ping_exclude_tEXt == MagickFalse || ping_exclude_zTXt == MagickFalse) 111163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1111726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp ResetImagePropertyIterator(image); 1111826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1111926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp while (property != (const char *) NULL) 1112026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1112126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp png_textp 1112226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp text; 111232cc891a179d622dde7bbb8854138851e828bc6eaglennrp 1112416ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(image,property,exception); 11125a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11126e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp /* Don't write any "png:" or "jpeg:" properties; those are just for 11127e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp * "identify" or for passing through to another JPEG 11128e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp */ 11129e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp if ((LocaleNCompare(property,"png:",4) != 0 && 11130a3d5f0e19b5d325c69100fcd14fb174a581ee599glennrp LocaleNCompare(property,"jpeg:",5) != 0) && 11131e4d5fafd9fbdf0985a964fe9efee73d5d37ccd44glennrp 11132a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11133a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress density and units if we wrote a pHYs chunk */ 11134a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_pHYs != MagickFalse || 11135823b55c200d7fc1818ab539b036a9c24feaecda8glennrp LocaleCompare(property,"density") != 0 || 11136a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleCompare(property,"units") != 0) && 11137a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11138a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp /* Suppress the IM-generated Date:create and Date:modify */ 11139a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (ping_exclude_date == MagickFalse || 11140a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp LocaleNCompare(property, "Date:",5) != 0)) 1114126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11142c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (value != (const char *) NULL) 11143c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11144a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy 11145ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp#if PNG_LIBPNG_VER >= 10400 11146a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping, 11147a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy (png_alloc_size_t) sizeof(png_text)); 11148a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#else 11149a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy text=(png_textp) png_malloc(ping,(png_size_t) sizeof(png_text)); 11150a865ccd68cbccfdf00a5fdd40bc491c5f5390303cristy#endif 11151c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].key=(char *) property; 11152c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text=(char *) value; 11153c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length=strlen(value); 111542cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11155c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (ping_exclude_tEXt != MagickFalse) 11156c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_zTXt; 111572cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11158c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else if (ping_exclude_zTXt != MagickFalse) 11159c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=PNG_TEXT_COMPRESSION_NONE; 111602cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11161c70af4ac292f8db9a1ab488318912894d412cb8cglennrp else 1116226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 11163c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].compression=image_info->compression == NoCompression || 11164c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (image_info->compression == UndefinedCompression && 11165c70af4ac292f8db9a1ab488318912894d412cb8cglennrp text[0].text_length < 128) ? PNG_TEXT_COMPRESSION_NONE : 11166c70af4ac292f8db9a1ab488318912894d412cb8cglennrp PNG_TEXT_COMPRESSION_zTXt ; 1116726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 111682cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11169c70af4ac292f8db9a1ab488318912894d412cb8cglennrp if (logging != MagickFalse) 11170c70af4ac292f8db9a1ab488318912894d412cb8cglennrp { 11171c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11172c70af4ac292f8db9a1ab488318912894d412cb8cglennrp " Setting up text chunk"); 11173c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11174c70af4ac292f8db9a1ab488318912894d412cb8cglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11175cbc9215c23fce410bf0bea825dee908c15271bb3glennrp " keyword: '%s'",text[0].key); 11176c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 11177c70af4ac292f8db9a1ab488318912894d412cb8cglennrp 11178c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_set_text(ping,ping_info,text,1); 11179c70af4ac292f8db9a1ab488318912894d412cb8cglennrp png_free(ping,text); 11180c70af4ac292f8db9a1ab488318912894d412cb8cglennrp } 1118126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1118226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp property=GetNextImageProperty(image); 1118326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 111843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 111853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* write any PNG-chunk-e profiles */ 11187cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"PNG-chunk-e",logging); 111883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 111893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 111903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 111913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG end info"); 111920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_write_end(ping,ping_info); 111940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 111953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && (int) image->dispose == BackgroundDispose) 111963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 111973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.x || mng_info->page.y || 111985af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_width != mng_info->page.width) || 111995af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (ping_height != mng_info->page.height)) 112003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 112013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 112023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[32]; 112033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write FRAM 4 with clipping boundaries followed by FRAM 1. 112063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,27L); /* data length=27 */ 112083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1120903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,27L); 112103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=4; 112113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 112123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=1; /* flag for changing delay, for next frame only */ 112133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 112143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=1; /* flag for changing frame clipping for next frame */ 112153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 112163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) (0L)); /* temporary 0 delay */ 112173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=0; /* clipping boundaries delta type */ 112183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+15,(png_uint_32) (mng_info->page.x)); /* left cb */ 112193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+19, 112205af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.x + ping_width)); 112213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+23,(png_uint_32) (mng_info->page.y)); /* top cb */ 112223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+27, 112235af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp (png_uint_32) (mng_info->page.y + ping_height)); 112243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,31,chunk); 112253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,31)); 112263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=4; 112273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 112283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 112313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 112323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 112333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng && !mng_info->need_fram && 112343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((int) image->dispose == 3)) 11235edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp png_error(ping, "Cannot convert GIF with disposal method 3 to MNG-LC"); 112360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 112373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 112383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Free PNG resources. 112393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 112405af765f10ae9ac5aae02c0b7c213e22a43c0672dglennrp 112413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png_destroy_write_struct(&ping,&ping_info); 112423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112430997332e2c35a821b271d6e7473c01c10dc206adcristy pixel_info=RelinquishVirtualMemory(pixel_info); 112443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1124516ea139d53d867211d3bb0fa859a83de653f687ecristy if (ping_have_blob != MagickFalse) 1124616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) CloseBlob(image); 1124716ea139d53d867211d3bb0fa859a83de653f687ecristy 1124816ea139d53d867211d3bb0fa859a83de653f687ecristy image_info=DestroyImageInfo(image_info); 1124916ea139d53d867211d3bb0fa859a83de653f687ecristy image=DestroyImage(image); 1125016ea139d53d867211d3bb0fa859a83de653f687ecristy 11251b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp /* Store bit depth actually written */ 11252b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[0]=(char) ping_bit_depth; 11253b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp s[1]='\0'; 11254b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 1125516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageProperty(IMimage,"png:bit-depth-written",s,exception); 11256b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp 112573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 112583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 112593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOnePNGImage()"); 112600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11261868fff35aea4233c40dca33989293cb5bc91601aglennrp#ifdef IMPNG_SETJMP_NOT_THREAD_SAFE 11262edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp UnlockSemaphoreInfo(ping_semaphore); 11263edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp#endif 11264edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 11265edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp /* } for navigation to beginning of SETJMP-protected block. Revert to 11266edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp * Throwing an Exception when an error occurs. 11267edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp */ 11268edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 112703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* End write one PNG image */ 11271edaa0389d5b58b8460dee2d1e585985ff0d80d31glennrp 112723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 112733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 112743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 112753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 112763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e P N G I m a g e % 112803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 112833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 112843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WritePNGImage() writes a Portable Network Graphics (PNG) or 112863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Multiple-image Network Graphics (MNG) image file. 112873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MNG support written by Glenn Randers-Pehrson, glennrp@image... 112893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WritePNGImage method is: 112913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1129216ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1129316ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 112943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 112963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 112983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 112993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 113003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1130116ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1130216ea139d53d867211d3bb0fa859a83de653f687ecristy% 113033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Returns MagickTrue on success, MagickFalse on failure. 113043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Communicating with the PNG encoder: 113063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% While the datastream written is always in PNG format and normally would 113083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be given the "png" file extension, this method also writes the following 113095d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% pseudo-formats which are subsets of png: 113103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113115a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% o PNG8: An 8-bit indexed PNG datastream is written. If the image has 113125a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% a depth greater than 8, the depth is reduced. If transparency 113133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is present, the tRNS chunk must only have values 0 and 255 113143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% (i.e., transparency is binary: fully opaque or fully 113155a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent). If other values are present they will be 113165a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 50%-thresholded to binary transparency. If more than 256 11317e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% colors are present, they will be quantized to the 4-4-4-1, 11318130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% 3-3-3-1, or 3-3-2-1 palette. The underlying RGB color 11319130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% of any resulting fully-transparent pixels is changed to 11320130fc4535f884af19ec188e80a5cdcd89b0052e0glennrp% the image's background color. 11321e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% 11322e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% If you want better quantization or dithering of the colors 11323e9637cb863ebc78027c145832eaf0b3a62bf2a56glennrp% or alpha than that, you need to do it before calling the 113245a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG encoder. The pixels contain 8-bit indices even if 113255a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% they could be represented with 1, 2, or 4 bits. Grayscale 113263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% images will be written as indexed PNG files even though the 113275a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% PNG grayscale type might be slightly more efficient. Please 113285a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% note that writing to the PNG8 format may result in loss 113295a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% of color and alpha data. 113303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG24: An 8-bit per sample RGB PNG datastream is written. The tRNS 113323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% chunk can be present to convey binary transparency by naming 113335a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% one of the colors as transparent. The only loss incurred 113345a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% is reduction of sample depth to 8. If the image has more 113355a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% than one transparent color, has semitransparent pixels, or 113365a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% has an opaque pixel with the same RGB components as the 113375a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparent color, an image is not written. 113383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o PNG32: An 8-bit per sample RGBA PNG is written. Partial 113403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% transparency is permitted, i.e., the alpha sample for 113413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% each pixel can have any value from 0 to 255. The alpha 113420fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% channel is present even if the image is fully opaque. 113435a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% The only loss in data is the reduction of the sample depth 113445a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% to 8. 113453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11346fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG48: A 16-bit per sample RGB PNG datastream is written. The tRNS 11347fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% chunk can be present to convey binary transparency by naming 11348fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% one of the colors as transparent. If the image has more 11349fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% than one transparent color, has semitransparent pixels, or 11350fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% has an opaque pixel with the same RGB components as the 11351fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparent color, an image is not written. 11352fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 11353fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% o PNG64: A 16-bit per sample RGBA PNG is written. Partial 11354fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% transparency is permitted, i.e., the alpha sample for 11355fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% each pixel can have any value from 0 to 65535. The alpha 11356fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% channel is present even if the image is fully opaque. 11357fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% 113585830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% o PNG00: A PNG that inherits its colortype and bit-depth from the input 113595830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% image, if the input was a PNG, is written. If these values 113605830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% cannot be found, then "PNG00" falls back to the regular "PNG" 113615830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% format. 113625830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp% 113633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o -define: For more precise control of the PNG output, you can use the 113643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image options "png:bit-depth" and "png:color-type". These 113653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% can be set from the commandline with "-define" and also 11366bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% from the application programming interfaces. The options 11367bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% are case-independent and are converted to lowercase before 11368bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% being passed to this encoder. 113693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:color-type can be 0, 2, 3, 4, or 6. 113713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 0 (Grayscale), png:bit-depth can 113733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, 8, or 16. 113743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 2 (RGB), png:bit-depth can 113763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 8 or 16. 113773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 3 (Indexed), png:bit-depth can 113793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% be 1, 2, 4, or 8. This refers to the number of bits 113803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% used to store the index. The color samples always have 113813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% bit-depth 8 in indexed PNG files. 113823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% When png:color-type is 4 (Gray-Matte) or 6 (RGB-Matte), 113843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% png:bit-depth can be 8 or 16. 113853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11386fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% If the image cannot be written without loss with the 11387fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% requested bit-depth and color-type, a PNG file will not 11388fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% be written, a warning will be issued, and the encoder will 11389fd164d2bf84b111e304959af5698757d60e9b8aeglennrp% return MagickFalse. 113905a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% 113913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Since image encoders should not be responsible for the "heavy lifting", 113923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the user should make sure that ImageMagick has already reduced the 113933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image depth and number of colors and limit transparency to binary 113945a39f3714559b4d9c08beb391ce4326354bb0f0cglennrp% transparency prior to attempting to write the image with depth, color, 1139516ea139d53d867211d3bb0fa859a83de653f687ecristy% or transparency limitations. 113963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 113973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Note that another definition, "png:bit-depth-written" exists, but it 113983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% is not intended for external use. It is only used internally by the 113993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% PNG encoder to inform the JNG encoder of the depth of the alpha channel. 114003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% It is possible to request that the PNG encoder write previously-formatted 114023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ancillary chunks in the output PNG file, using the "-profile" commandline 114033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% option as shown below or by setting the profile via a programming 114043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% interface: 114053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% -profile PNG-chunk-x:<file> 114073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% where x is a location flag and <file> is a file containing the chunk 114093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% name in the first 4 bytes, then a colon (":"), followed by the chunk data. 11410bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% This encoder will compute the chunk length and CRC, so those must not 11411bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% be included in the file. 114123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% "x" can be "b" (before PLTE), "m" (middle, i.e., between PLTE and IDAT), 114143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% or "e" (end, i.e., after IDAT). If you want to write multiple chunks 114153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% of the same type, then add a short unique string after the "x" to prevent 11416bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% subsequent profiles from overwriting the preceding ones, e.g., 114173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 11418bb8a733a352d1143bf6e823471ccce72aee8189fglennrp% -profile PNG-chunk-b01:file01 -profile PNG-chunk-b02:file02 114193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 114203241bd0c43e56612fc7aa006a0d30333dacbb51aglennrp% As of version 6.6.6 the following optimizations are always done: 114210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 11422d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o 32-bit depth is reduced to 16. 114230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o 16-bit depth is reduced to 8 if all pixels contain samples whose 114240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% high byte and low byte are identical. 114250fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Palette is sorted to remove unused entries and to put a 11426cf002022280cc4dedb2748ad6f415aac1d44f530glennrp% transparent color first, if BUILD_PNG_PALETTE is defined. 114270fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% o Opaque matte channel is removed when writing an indexed PNG. 11428d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Grayscale images are reduced to 1, 2, or 4 bit depth if 11429d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% this can be done without loss and a larger bit depth N was not 114305d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy% requested via the "-define png:bit-depth=N" option. 11431d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o If matte channel is present but only one transparent color is 11432d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% present, RGB+tRNS is written instead of RGBA 11433d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% o Opaque matte channel is removed (or added, if color-type 4 or 6 11434d6afd54fac7c96376ea623fb7ab6c3e398cb7064glennrp% was requested when converting an opaque image). 114350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp% 114363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 114373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 114383ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info, 1143916ea139d53d867211d3bb0fa859a83de653f687ecristy Image *image,ExceptionInfo *exception) 114403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 114413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1144221f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp excluding, 1144321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp logging, 1144421f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 114453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 114463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 114483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 114493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 114513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 114523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 114545c7cf4e469a4dad7e277783749155932252c52dfglennrp source; 114555c7cf4e469a4dad7e277783749155932252c52dfglennrp 114563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 114583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 114603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 114613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 114623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 114633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 11464fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WritePNGImage()"); 114653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 114673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1146973bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 114700fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 114723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 114730fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 114743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 114753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 114763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 114773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 114783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 11479a521b2fe1f4c8b8ab9412bd6ef23b6736b90e43dglennrp mng_info->equal_backgrounds=MagickTrue; 114803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 114813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* See if user has requested a specific PNG subformat */ 114833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 114843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 114853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 114863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 11487fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48=LocaleCompare(image_info->magick,"PNG48") == 0; 11488fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64=LocaleCompare(image_info->magick,"PNG64") == 0; 114893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11490092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:format"); 114915a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value == (char *) NULL) 114925a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (LocaleCompare(image_info->magick,"PNG00") == 0) 11493b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 114945a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp if (value != (char *) NULL || LocaleCompare(image_info->magick,"PNG00") == 0) 11495b381a2618e8bb9e1e76299676711d0ec1063feabglennrp { 11496f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11497f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " Format=%s",value); 11498f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11499fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png8 = MagickFalse; 11500fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png24 = MagickFalse; 11501fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png32 = MagickFalse; 11502fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickFalse; 11503fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickFalse; 11504fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11505b381a2618e8bb9e1e76299676711d0ec1063feabglennrp if (LocaleCompare(value,"png8") == 0) 11506b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png8 = MagickTrue; 11507b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11508b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png24") == 0) 11509b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png24 = MagickTrue; 11510b381a2618e8bb9e1e76299676711d0ec1063feabglennrp 11511b381a2618e8bb9e1e76299676711d0ec1063feabglennrp else if (LocaleCompare(value,"png32") == 0) 11512b381a2618e8bb9e1e76299676711d0ec1063feabglennrp mng_info->write_png32 = MagickTrue; 11513fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11514fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png48") == 0) 11515fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png48 = MagickTrue; 11516fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11517fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else if (LocaleCompare(value,"png64") == 0) 11518fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png64 = MagickTrue; 115195830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115205a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if ((LocaleCompare(value,"png00") == 0) || 115215a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp LocaleCompare(image_info->magick,"PNG00") == 0) 115225830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp { 115233398b5b62521b49754d9391aae9e4511857bd63bglennrp /* Retrieve png:IHDR.bit-depth-orig and png:IHDR.color-type-orig. */ 115243398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.bit-depth-orig",exception); 11525f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11526f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11527f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11528f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11529f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited bit depth=%s",value); 11530f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11531f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"1") == 0) 11532f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 1; 11533f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115345a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"2") == 0) 11535f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 2; 11536f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115375a4989dda1dc69f5b48487088bcc68b78fc4f322glennrp else if (LocaleCompare(value,"4") == 0) 11538f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 4; 11539f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11540f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"8") == 0) 11541f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 8; 11542f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11543f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"16") == 0) 11544f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_depth = 16; 11545f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 11546f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 115473398b5b62521b49754d9391aae9e4511857bd63bglennrp value=GetImageProperty(image,"png:IHDR.color-type-orig",exception); 11548f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11549f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (value != (char *) NULL) 11550f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp { 11551f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11552f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp " png00 inherited color type=%s",value); 11553f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11554f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp if (LocaleCompare(value,"0") == 0) 11555f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 1; 11556f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11557f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"2") == 0) 11558f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 3; 11559f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11560f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"3") == 0) 11561f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 4; 11562f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11563f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"4") == 0) 11564f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 5; 11565f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp 11566f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp else if (LocaleCompare(value,"6") == 0) 11567f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp mng_info->write_png_colortype = 7; 11568f70c4d28c683ec8266f6a12ce6a7bf6c8a68b798glennrp } 115695830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115705830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp } 115715830fbc206b62351c31ade8fbe8cbaf259e7036eglennrp 115723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png8) 115733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115749c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 3 */ 4; 115759c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115769c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png24) 115803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115819c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 2 */ 3; 115829c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115839c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 115840fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1158517f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 1158616ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorMatteType,exception); 115870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 115889c1eb0729653219b9da9037e044501a6dce79d10glennrp else 1158916ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(image,TrueColorType,exception); 115900fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1159116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 115923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 115933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_png32) 115953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 115969c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = /* 6 */ 7; 115979c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 115989c1eb0729653219b9da9037e044501a6dce79d10glennrp image->depth = 8; 1159947da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 116000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11601197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 1160216ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SyncImage(image,exception); 116033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11605fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png48) 11606fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11607fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 2 */ 3; 11608fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11609fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 11610fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 1161117f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 116124dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorMatteType,exception); 11613fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11614fd164d2bf84b111e304959af5698757d60e9b8aeglennrp else 116154dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SetImageType(image,TrueColorType,exception); 11616fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 116174dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11618fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11619fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11620fd164d2bf84b111e304959af5698757d60e9b8aeglennrp if (mng_info->write_png64) 11621fd164d2bf84b111e304959af5698757d60e9b8aeglennrp { 11622fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_colortype = /* 6 */ 7; 11623fd164d2bf84b111e304959af5698757d60e9b8aeglennrp mng_info->write_png_depth = 16; 11624fd164d2bf84b111e304959af5698757d60e9b8aeglennrp image->depth = 16; 1162547da46dca23c0c6f51670977d82dce24204c5693dirk image->alpha_trait = BlendPixelTrait; 11626fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11627197c8e6d7a6d3658c44fa95f56c19f88f5d64390glennrp (void) SetImageType(image,TrueColorMatteType,exception); 116284dda64fa7c4d4967629a7138cc7a9ce1db4b915eglennrp (void) SyncImage(image,exception); 11629fd164d2bf84b111e304959af5698757d60e9b8aeglennrp } 11630fd164d2bf84b111e304959af5698757d60e9b8aeglennrp 11631092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:bit-depth"); 116328bb3a02a0021145f36ed1057d3153c74abdcabaeglennrp 116333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"1") == 0) 116369c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 1; 116370fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116399c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 2; 116400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116429c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 4; 116430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"8") == 0) 116459c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 8; 116460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"16") == 0) 116489c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_depth = 16; 116490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11650bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1165116ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11652bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11653bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:bit-depth", 11654bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11655bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 116563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116579c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11658bb8a733a352d1143bf6e823471ccce72aee8189fglennrp " png:bit-depth=%d was defined.\n",mng_info->write_png_depth); 116593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116600fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11661092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:color-type"); 116620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 116643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 116653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* We must store colortype+1 because 0 is a valid colortype */ 116663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (LocaleCompare(value,"0") == 0) 116679c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 1; 116680fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1166916ea139d53d867211d3bb0fa859a83de653f687ecristy else if (LocaleCompare(value,"1") == 0) 1167016ea139d53d867211d3bb0fa859a83de653f687ecristy mng_info->write_png_colortype = 2; 1167116ea139d53d867211d3bb0fa859a83de653f687ecristy 116723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"2") == 0) 116739c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 3; 116740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"3") == 0) 116769c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 4; 116770fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"4") == 0) 116799c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 5; 116800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 116813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else if (LocaleCompare(value,"6") == 0) 116829c1eb0729653219b9da9037e044501a6dce79d10glennrp mng_info->write_png_colortype = 7; 116830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 11684bb8a733a352d1143bf6e823471ccce72aee8189fglennrp else 1168516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 11686bb8a733a352d1143bf6e823471ccce72aee8189fglennrp GetMagickModule(),CoderWarning, 11687bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "ignoring invalid defined png:color-type", 11688bb8a733a352d1143bf6e823471ccce72aee8189fglennrp "=%s",value); 11689bb8a733a352d1143bf6e823471ccce72aee8189fglennrp 116903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 116919c1eb0729653219b9da9037e044501a6dce79d10glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 11692d6bf1617e99df0272b231855a933a74e99b6578fglennrp " png:color-type=%d was defined.\n",mng_info->write_png_colortype-1); 116933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 116943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 116950e8ea19baa0666ccfe869d19116372f60fe9230fglennrp /* Check for chunks to be excluded: 116960e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 116970dff56c31fb2f5daa9744018ca533e387c246afcglennrp * The default is to not exclude any known chunks except for any 116980e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * listed in the "unused_chunks" array, above. 116990e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117005d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * Chunks can be listed for exclusion via a "png:exclude-chunk" 117010e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * define (in the image properties or in the image artifacts) 117020e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or via a mng_info member. For convenience, in addition 117030e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * to or instead of a comma-separated list of chunks, the 117040e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string can be simply "all" or "none". 117050e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117060e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The exclude-chunk define takes priority over the mng_info. 117070e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117085d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * A "png:include-chunk" define takes priority over both the 117095d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy * mng_info and the "png:exclude-chunk" define. Like the 117100e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * "exclude-chunk" string, it can define "all" or "none" as 117110dff56c31fb2f5daa9744018ca533e387c246afcglennrp * well as a comma-separated list. Chunks that are unknown to 117120dff56c31fb2f5daa9744018ca533e387c246afcglennrp * ImageMagick are always excluded, regardless of their "copy-safe" 117130dff56c31fb2f5daa9744018ca533e387c246afcglennrp * status according to the PNG specification, and even if they 11714aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * appear in the "include-chunk" list. Such defines appearing among 11715aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * the image options take priority over those found among the image 11716aa192b15c78ecafb5ee45ea185519ba2cf4e1f60glennrp * artifacts. 117170e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117180e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * Finally, all chunks listed in the "unused_chunks" array are 117190e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * automatically excluded, regardless of the other instructions 117200e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * or lack thereof. 117210e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117220e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * if you exclude sRGB but not gAMA (recommended), then sRGB chunk 117230e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * will not be written and the gAMA chunk will only be written if it 117240e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is not between .45 and .46, or approximately (1.0/2.2). 117250e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117260e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * If you exclude tRNS and the image has transparency, the colortype 117270e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * is forced to be 4 or 6 (GRAY_ALPHA or RGB_ALPHA). 117280e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * 117290e8ea19baa0666ccfe869d19116372f60fe9230fglennrp * The -strip option causes StripImage() to set the png:include-chunk 11730104f206c40efbb0a0eeba846672009345423e969glennrp * artifact to "none,trns,gama". 117310e8ea19baa0666ccfe869d19116372f60fe9230fglennrp */ 117320e8ea19baa0666ccfe869d19116372f60fe9230fglennrp 1173326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_bKGD=MagickFalse; 1173426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_cHRM=MagickFalse; 11735a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickFalse; 1173626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_EXIF=MagickFalse; /* hex-encoded EXIF in zTXt */ 1173726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_gAMA=MagickFalse; 1173826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_iCCP=MagickFalse; 1173926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp /* mng_info->ping_exclude_iTXt=MagickFalse; */ 1174026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_oFFs=MagickFalse; 1174126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_pHYs=MagickFalse; 1174226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_sRGB=MagickFalse; 1174326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_tEXt=MagickFalse; 11744fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=MagickFalse; 11745a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickFalse; 1174626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_vpAg=MagickFalse; 1174726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zCCP=MagickFalse; /* hex-encoded iCCP in zTXt */ 1174826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp mng_info->ping_exclude_zTXt=MagickFalse; 1174926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 117508d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickFalse; 117518d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11752092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:preserve-colormap"); 117538d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value == NULL) 117548b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:preserve-colormap"); 117558d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp if (value != NULL) 117568d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap=MagickTrue; 117578d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp 11758ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickFalse; 11759ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11760ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageOption(image_info,"png:preserve-iCCP"); 11761ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value == NULL) 11762ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp value=GetImageArtifact(image,"png:preserve-iCCP"); 11763ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp if (value != NULL) 11764ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp mng_info->ping_preserve_iCCP=MagickTrue; 11765ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp 11766ecab7d7b7fc598881ff3c72240381caa5c444a56glennrp /* These compression-level, compression-strategy, and compression-filter 117671868258559ddf946fa73ef72dd43507b32623705glennrp * defines take precedence over values from the -quality option. 117681868258559ddf946fa73ef72dd43507b32623705glennrp */ 11769092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-level"); 117701868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 117718b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-level"); 117721868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 117731868258559ddf946fa73ef72dd43507b32623705glennrp { 117741868258559ddf946fa73ef72dd43507b32623705glennrp /* We have to add 1 to everything because 0 is a valid input, 117751868258559ddf946fa73ef72dd43507b32623705glennrp * and we want to use 0 (the default) to mean undefined. 117761868258559ddf946fa73ef72dd43507b32623705glennrp */ 117771868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 117781868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 1; 117791868258559ddf946fa73ef72dd43507b32623705glennrp 117800ffb95c048e16be4f2a8d6aaa76de1dfd7775124glennrp else if (LocaleCompare(value,"1") == 0) 117811868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 2; 117821868258559ddf946fa73ef72dd43507b32623705glennrp 117831868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 117841868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 3; 117851868258559ddf946fa73ef72dd43507b32623705glennrp 117861868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 117871868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 4; 117881868258559ddf946fa73ef72dd43507b32623705glennrp 117891868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 117901868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 5; 117911868258559ddf946fa73ef72dd43507b32623705glennrp 117921868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 117931868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 6; 117941868258559ddf946fa73ef72dd43507b32623705glennrp 117951868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"6") == 0) 117961868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 7; 117971868258559ddf946fa73ef72dd43507b32623705glennrp 117981868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"7") == 0) 117991868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 8; 118001868258559ddf946fa73ef72dd43507b32623705glennrp 118011868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"8") == 0) 118021868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 9; 118031868258559ddf946fa73ef72dd43507b32623705glennrp 118041868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"9") == 0) 118051868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_level = 10; 118061868258559ddf946fa73ef72dd43507b32623705glennrp 118071868258559ddf946fa73ef72dd43507b32623705glennrp else 1180816ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118091868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118101868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-level", 118111868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118121868258559ddf946fa73ef72dd43507b32623705glennrp } 118131868258559ddf946fa73ef72dd43507b32623705glennrp 11814092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-strategy"); 118151868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118168b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-strategy"); 118171868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118181868258559ddf946fa73ef72dd43507b32623705glennrp { 118191868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118201868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 118211868258559ddf946fa73ef72dd43507b32623705glennrp 118221868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"1") == 0) 118231868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FILTERED+1; 118241868258559ddf946fa73ef72dd43507b32623705glennrp 118251868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118261868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_HUFFMAN_ONLY+1; 118271868258559ddf946fa73ef72dd43507b32623705glennrp 118281868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 1182998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_RLE /* Z_RLE was added to zlib-1.2.0 */ 118301868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_RLE+1; 1183198c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1183298c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1183398c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118341868258559ddf946fa73ef72dd43507b32623705glennrp 118351868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 1183698c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#ifdef Z_FIXED /* Z_FIXED was added to zlib-1.2.2.2 */ 118371868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_strategy = Z_FIXED+1; 1183898c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#else 1183998c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp mng_info->write_png_compression_strategy = Z_DEFAULT_STRATEGY+1; 1184098c07ad97d2b2c4571ec3b58241df30d43ba51d0glennrp#endif 118411868258559ddf946fa73ef72dd43507b32623705glennrp 118421868258559ddf946fa73ef72dd43507b32623705glennrp else 1184316ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118441868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118451868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-strategy", 118461868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118471868258559ddf946fa73ef72dd43507b32623705glennrp } 118481868258559ddf946fa73ef72dd43507b32623705glennrp 11849092ec8d083fedaedfb7792995e7ea42164553cffcristy value=GetImageOption(image_info,"png:compression-filter"); 118501868258559ddf946fa73ef72dd43507b32623705glennrp if (value == NULL) 118518b206bac411969018dc3a6d395f525f1664af412cristy value=GetImageArtifact(image,"png:compression-filter"); 118521868258559ddf946fa73ef72dd43507b32623705glennrp if (value != NULL) 118531868258559ddf946fa73ef72dd43507b32623705glennrp { 118541868258559ddf946fa73ef72dd43507b32623705glennrp /* To do: combinations of filters allowed by libpng 118551868258559ddf946fa73ef72dd43507b32623705glennrp * masks 0x08 through 0xf8 118561868258559ddf946fa73ef72dd43507b32623705glennrp * 118571868258559ddf946fa73ef72dd43507b32623705glennrp * Implement this as a comma-separated list of 0,1,2,3,4,5 118581868258559ddf946fa73ef72dd43507b32623705glennrp * where 5 is a special case meaning PNG_ALL_FILTERS. 118591868258559ddf946fa73ef72dd43507b32623705glennrp */ 118601868258559ddf946fa73ef72dd43507b32623705glennrp 118611868258559ddf946fa73ef72dd43507b32623705glennrp if (LocaleCompare(value,"0") == 0) 118621868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 1; 118631868258559ddf946fa73ef72dd43507b32623705glennrp 11864b19b8125320afb5954bd73b82d00700e8ed9e984cristy else if (LocaleCompare(value,"1") == 0) 118651868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 2; 118661868258559ddf946fa73ef72dd43507b32623705glennrp 118671868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"2") == 0) 118681868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 3; 118691868258559ddf946fa73ef72dd43507b32623705glennrp 118701868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"3") == 0) 118711868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 4; 118721868258559ddf946fa73ef72dd43507b32623705glennrp 118731868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"4") == 0) 118741868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 5; 118751868258559ddf946fa73ef72dd43507b32623705glennrp 118761868258559ddf946fa73ef72dd43507b32623705glennrp else if (LocaleCompare(value,"5") == 0) 118771868258559ddf946fa73ef72dd43507b32623705glennrp mng_info->write_png_compression_filter = 6; 118781868258559ddf946fa73ef72dd43507b32623705glennrp 118791868258559ddf946fa73ef72dd43507b32623705glennrp else 1188016ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception, 118811868258559ddf946fa73ef72dd43507b32623705glennrp GetMagickModule(),CoderWarning, 118821868258559ddf946fa73ef72dd43507b32623705glennrp "ignoring invalid defined png:compression-filter", 118831868258559ddf946fa73ef72dd43507b32623705glennrp "=%s",value); 118841a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1188503812ae402fb53d548f0e1d7d14720768f803c2dglennrp 118861a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp for (source=0; source<8; source++) 118875c7cf4e469a4dad7e277783749155932252c52dfglennrp { 118881a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp value = NULL; 11889acba004f7fac1660554dfefd2a078ead5ac8ee14glennrp 118902dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 0) 118912dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunks"); 118922dd1906783a5ece58a6105b4f59239e28b13caddglennrp 118932dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 1) 118942dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunks"); 118952dd1906783a5ece58a6105b4f59239e28b13caddglennrp 118962dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 2) 118972dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:exclude-chunk"); 118982dd1906783a5ece58a6105b4f59239e28b13caddglennrp 118992dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 3) 119002dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:exclude-chunk"); 119012dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119022dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 4) 119032dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunks"); 119042dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119052dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 5) 119062dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunks"); 119072dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119082dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 6) 119092dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageOption(image_info,"png:include-chunk"); 119102dd1906783a5ece58a6105b4f59239e28b13caddglennrp 119112dd1906783a5ece58a6105b4f59239e28b13caddglennrp if (source == 7) 119122dd1906783a5ece58a6105b4f59239e28b13caddglennrp value=GetImageArtifact(image,"png:include-chunk"); 1191326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 119141a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (value == NULL) 119151a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp continue; 119161a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp 119171a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source < 4) 119181a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickTrue; 119191a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else 119201a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp excluding = MagickFalse; 1192126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 1192203812ae402fb53d548f0e1d7d14720768f803c2dglennrp if (logging != MagickFalse) 119232cc891a179d622dde7bbb8854138851e828bc6eaglennrp { 119241a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (source == 0 || source == 2) 119251a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119261a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:exclude-chunk=%s found in image options.\n", value); 119271a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 1 || source == 3) 119282cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119292cc891a179d622dde7bbb8854138851e828bc6eaglennrp " png:exclude-chunk=%s found in image artifacts.\n", value); 119301a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else if (source == 4 || source == 6) 119312cc891a179d622dde7bbb8854138851e828bc6eaglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image options.\n", value); 119331a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp else /* if (source == 5 || source == 7) */ 119341a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 119351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp " png:include-chunk=%s found in image artifacts.\n", value); 119362cc891a179d622dde7bbb8854138851e828bc6eaglennrp } 1193703812ae402fb53d548f0e1d7d14720768f803c2dglennrp 119381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (IsOptionMember("all",value) != MagickFalse) 119391a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 119401a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 119411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 119421a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 119431a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 119441a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 119451a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 119461a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=excluding; */ 119471a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 119481a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 119491a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 119501a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 11951fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 119521a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 119531a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 119541a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 119551a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 119561a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 11957280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp 11958689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("none",value) != MagickFalse) 119591a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp { 11960a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_bKGD=excluding != MagickFalse ? MagickFalse : 11961a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11962a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_cHRM=excluding != MagickFalse ? MagickFalse : 11963a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11964a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_date=excluding != MagickFalse ? MagickFalse : 11965a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11966a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_EXIF=excluding != MagickFalse ? MagickFalse : 11967a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11968a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_gAMA=excluding != MagickFalse ? MagickFalse : 11969a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11970a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_iCCP=excluding != MagickFalse ? MagickFalse : 11971a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 119721a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp /* mng_info->ping_exclude_iTXt=!excluding; */ 11973a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_oFFs=excluding != MagickFalse ? MagickFalse : 11974a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11975a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_pHYs=excluding != MagickFalse ? MagickFalse : 11976a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11977a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_sRGB=excluding != MagickFalse ? MagickFalse : 11978a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11979a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tEXt=excluding != MagickFalse ? MagickFalse : 11980a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11981fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding != MagickFalse ? MagickFalse : 11982fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk MagickTrue; 11983a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_tRNS=excluding != MagickFalse ? MagickFalse : 11984a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11985a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_vpAg=excluding != MagickFalse ? MagickFalse : 11986a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11987a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zCCP=excluding != MagickFalse ? MagickFalse : 11988a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 11989a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy mng_info->ping_exclude_zTXt=excluding != MagickFalse ? MagickFalse : 11990a20c8fe839f466073b171f5a6fd16fdf9a8bd0edcristy MagickTrue; 119911a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp } 1199203812ae402fb53d548f0e1d7d14720768f803c2dglennrp 11993689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("bkgd",value) != MagickFalse) 119941a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_bKGD=excluding; 119952cc891a179d622dde7bbb8854138851e828bc6eaglennrp 11996689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("chrm",value) != MagickFalse) 119971a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_cHRM=excluding; 11998a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp 11999689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("date",value) != MagickFalse) 120001a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_date=excluding; 120012cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12002689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("exif",value) != MagickFalse) 120031a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_EXIF=excluding; 120042cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12005689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("gama",value) != MagickFalse) 120061a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_gAMA=excluding; 120072cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12008689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("iccp",value) != MagickFalse) 120091a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iCCP=excluding; 120102cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12011689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 12012689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("itxt",value) != MagickFalse) 120131a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_iTXt=excluding; 12014689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 120152cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12016689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("offs",value) != MagickFalse) 120171a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_oFFs=excluding; 120182cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12019689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("phys",value) != MagickFalse) 120201a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_pHYs=excluding; 120212cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12022689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("srgb",value) != MagickFalse) 120231a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_sRGB=excluding; 120242cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12025689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("text",value) != MagickFalse) 120261a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tEXt=excluding; 120272cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12028fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (IsOptionMember("time",value) != MagickFalse) 12029fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk mng_info->ping_exclude_tIME=excluding; 12030fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk 12031689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("trns",value) != MagickFalse) 120321a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_tRNS=excluding; 12033a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp 12034689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("vpag",value) != MagickFalse) 120351a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_vpAg=excluding; 120362cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12037689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("zccp",value) != MagickFalse) 120381a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zCCP=excluding; 120392cc891a179d622dde7bbb8854138851e828bc6eaglennrp 12040689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp if (IsOptionMember("ztxt",value) != MagickFalse) 120411a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp mng_info->ping_exclude_zTXt=excluding; 1204226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1204326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 120441a506acce0fc50a6bbb35b1c04e7e51c1f7129f3glennrp if (logging != MagickFalse) 1204526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp { 1204626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 120475d6fc9c70199232d90da3ceaf6933100fe2c25d4cristy " Chunks to be excluded from the output png:"); 1204826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_bKGD != MagickFalse) 1204926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1205026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " bKGD"); 1205126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_cHRM != MagickFalse) 1205226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1205326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " cHRM"); 12054a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp if (mng_info->ping_exclude_date != MagickFalse) 12055a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12056a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp " date"); 1205726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_EXIF != MagickFalse) 1205826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1205926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " EXIF"); 1206026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_gAMA != MagickFalse) 1206126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " gAMA"); 1206326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iCCP != MagickFalse) 1206426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iCCP"); 12066689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#if 0 1206726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_iTXt != MagickFalse) 1206826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1206926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " iTXt"); 12070689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp#endif 12071689efa2792fc00b3418a812abcdc9bb76e5293b0glennrp 1207226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_oFFs != MagickFalse) 1207326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " oFFs"); 1207526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_pHYs != MagickFalse) 1207626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1207726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " pHYs"); 1207826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_sRGB != MagickFalse) 1207926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " sRGB"); 1208126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_tEXt != MagickFalse) 1208226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1208326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " tEXt"); 12084fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk if (mng_info->ping_exclude_tIME != MagickFalse) 12085fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12086fd6fd07e58e3d37313bec849313ac6e2b92e3957dirk " tIME"); 12087a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp if (mng_info->ping_exclude_tRNS != MagickFalse) 12088a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12089a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp " tRNS"); 1209026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_vpAg != MagickFalse) 1209126f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209226f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " vpAg"); 1209326f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zCCP != MagickFalse) 1209426f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209526f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zCCP"); 1209626f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp if (mng_info->ping_exclude_zTXt != MagickFalse) 1209726f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1209826f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp " zTXt"); 1209926f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp } 1210026f379198a1c94db76f302873c7f1f2e8d5ec6a0glennrp 12101b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickTrue; 121023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1210316ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 121043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 121060fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WritePNGImage()"); 121090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 121113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 121123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 121143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* Write one JNG image */ 121163ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteOneJNGImage(MngInfo *mng_info, 1211716ea139d53d867211d3bb0fa859a83de653f687ecristy const ImageInfo *image_info,Image *image,ExceptionInfo *exception) 121183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 121193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 121203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image; 121213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 121233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *jpeg_image_info; 121243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1212603812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 121273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 121283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 121303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 121313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 121333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *blob, 121343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[80], 121353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 121363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 121383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_compression_method, 121393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth, 121403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type, 121413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent; 121423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12143bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1214459575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality, 121453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_quality; 121463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy logging=LogMagickEvent(CoderEvent,GetMagickModule(), 12148fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp " Enter WriteOneJNGImage()"); 121493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) NULL; 121513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=(Image *) NULL; 121523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) NULL; 121533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=MagickTrue; 121553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy transparent=image_info->type==GrayscaleMatteType || 1215617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy image_info->type==TrueColorMatteType || image->alpha_trait != UndefinedPixelTrait; 121573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 121584b917593e694424be469d250448c05c878663812glennrp jng_alpha_sample_depth = 0; 121594b917593e694424be469d250448c05c878663812glennrp 1216059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_quality=image_info->quality == 0UL ? 75UL : image_info->quality%1000; 1216159575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1216259575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=image->compression==JPEGCompression? 8 : 0; 1216359575fa5c228308a41d7f5028390be2083aaaf6dglennrp 12164750105bf9b66a5a86aca655f78c493202bf8f5c2glennrp jng_alpha_quality=image_info->quality == 0UL ? 75UL : 1216559575fa5c228308a41d7f5028390be2083aaaf6dglennrp image_info->quality; 1216659575fa5c228308a41d7f5028390be2083aaaf6dglennrp 1216759575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (jng_alpha_quality >= 1000) 1216859575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_quality /= 1000; 121693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12170d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp length=0; 12171d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp 121728fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 121733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 121743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type=14; 121750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Create JPEG blob, image, and image_info */ 121773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1217916ea139d53d867211d3bb0fa859a83de653f687ecristy " Creating jpeg_image_info for alpha."); 121800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 121820fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 121843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 121850fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 121863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 121873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 121883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 121890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1219016ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=SeparateImage(image,AlphaChannel,exception); 121913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 121923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 121933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 121948a46d827a124555f0c48fb2368ec1bba8e079ab6cristy jpeg_image->alpha_trait=UndefinedPixelTrait; 121958f77fdc7ab98b7b964922604fc7822d8b7fe8ec2glennrp jpeg_image->quality=jng_alpha_quality; 1219616ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image_info->type=GrayscaleType; 1219716ea139d53d867211d3bb0fa859a83de653f687ecristy (void) SetImageType(jpeg_image,GrayscaleType,exception); 121983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 121993b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent, 122003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "%s",jpeg_image->filename); 122013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1220259575fa5c228308a41d7f5028390be2083aaaf6dglennrp else 1220359575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1220459575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_compression_method=0; 1220559575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_color_type=10; 1220659575fa5c228308a41d7f5028390be2083aaaf6dglennrp jng_alpha_sample_depth=0; 1220759575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 122083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: check bit depth of PNG alpha channel */ 122103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Check if image is grayscale. */ 122123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->type != TrueColorMatteType && image_info->type != 122137fb2652ba366fc984d1dbb0c66560b91c57dab78cristy TrueColorType && IsImageGray(image,exception)) 122143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_color_type-=2; 122153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1221659575fa5c228308a41d7f5028390be2083aaaf6dglennrp if (logging != MagickFalse) 1221759575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1221859575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1221959575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Quality = %d",(int) jng_quality); 1222059575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1222159575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Color Type = %d",jng_color_type); 122228fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 1222359575fa5c228308a41d7f5028390be2083aaaf6dglennrp { 1222459575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1222559575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Compression = %d",jng_alpha_compression_method); 1222659575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1222759575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Depth = %d",jng_alpha_sample_depth); 1222859575fa5c228308a41d7f5028390be2083aaaf6dglennrp (void) LogMagickEvent(CoderEvent,GetMagickModule(), 1222959575fa5c228308a41d7f5028390be2083aaaf6dglennrp " JNG Alpha Quality = %d",(int) jng_alpha_quality); 1223059575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1223159575fa5c228308a41d7f5028390be2083aaaf6dglennrp } 1223259575fa5c228308a41d7f5028390be2083aaaf6dglennrp 122338fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 122343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 122363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 122373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 122383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *value; 122393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1224016ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale PNG blob */ 122413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1224216ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating PNG blob."); 122463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"PNG",MaxTextExtent); 122483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"PNG",MaxTextExtent); 122493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12251cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp /* Exclude all ancillary chunks */ 12252cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp (void) SetImageArtifact(jpeg_image,"png:exclude-chunks","all"); 12253cc5d45ba3d6a1494b0c655f29e95f8eeac659acbglennrp 122543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1225516ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Retrieve sample depth used */ 1225816ea139d53d867211d3bb0fa859a83de653f687ecristy value=GetImageProperty(jpeg_image,"png:bit-depth-written",exception); 122593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (value != (char *) NULL) 122603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth= (unsigned int) value[0]; 122613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 122633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1226416ea139d53d867211d3bb0fa859a83de653f687ecristy /* Encode alpha as a grayscale JPEG blob */ 122653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1226716ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 122703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 122713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->interlace=NoInterlace; 122723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 122743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 122753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length, 1227616ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 122773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jng_alpha_sample_depth=8; 122780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 122793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 122803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12281e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12282e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 122833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Destroy JPEG image and image_info */ 122863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 122873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 122883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 122893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 122903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 122913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JHDR chunk */ 122923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,16L); /* chunk data length=16 */ 122933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JHDR); 1229403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JHDR,16L); 122954e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) image->columns); 122964e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) image->rows); 122973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=jng_color_type; 122983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[13]=8; /* sample depth */ 122993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[14]=8; /*jng_image_compression_method */ 123003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[15]=(unsigned char) (image_info->interlace == NoInterlace ? 0 : 8); 123013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[16]=jng_alpha_sample_depth; 123023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[17]=jng_alpha_compression_method; 123033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[18]=0; /*jng_alpha_filter_method */ 123043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[19]=0; /*jng_alpha_interlace_method */ 123053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,20,chunk); 123063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,20)); 123073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 123083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12310f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG width:%15lu",(unsigned long) image->columns); 123110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12313f2faecf9facdbbb14fcba373365f9f691a9658e0cristy " JNG height:%14lu",(unsigned long) image->rows); 123140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG color type:%10d",jng_color_type); 123170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG sample depth:%8d",8); 123200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG compression:%9d",8); 123230fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG interlace:%11d",0); 123260fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha depth:%9d",jng_alpha_sample_depth); 123290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha compression:%3d",jng_alpha_compression_method); 123320fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha filter:%8d",0); 123350fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 123373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " JNG alpha interlace:%5d",0); 123383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp /* Write any JNG-chunk-b profiles */ 12341cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-b",logging); 123423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write leading ancillary chunks 123453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123478fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 123483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG bKGD chunk 123513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 123543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue, 123553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 123563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red; 123573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12358bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 123593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes; 123603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 123623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=6L; 123633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 123643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy num_bytes=10L; 12365bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) (num_bytes-4L)); 123663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1236703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,(size_t) (num_bytes-4L)); 123683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToChar(image->background_color.red); 123693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToChar(image->background_color.green); 123703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToChar(image->background_color.blue); 123713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+4)=0; 123723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+5)=red; 123733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+6)=0; 123743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+7)=green; 123753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+8)=0; 123763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *(chunk+9)=blue; 123773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) num_bytes,chunk); 123783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) num_bytes)); 123793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 123803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent)) 123823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 123833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 123843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG sRGB chunk 123853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 123863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 123873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1238803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 123890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 12391e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12392cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12393e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 123940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 123953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 12396e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 12397cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 12398e610a071534e448c46460a5aa39ede33bf56b329glennrp (PerceptualIntent)); 123990fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 124013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 124023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma != 0.0) 124063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG gAMA chunk 124093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 124113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1241203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1241335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 124143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 124153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 124163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124170fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->equal_chrms == MagickFalse) && 124193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->chromaticity.red_primary.x != 0.0)) 124203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 124223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 124233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG cHRM chunk 124263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 124283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1242903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 124303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1243135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1243235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 124333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1243435ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1243535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 124363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1243735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1243835ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 124393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1244035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1244135ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 124423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 124433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 124443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124460fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1244716ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && !mng_info->equal_physs) 124483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG pHYs chunk 124513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 124533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1245403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 124553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 124563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1245735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1245816ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 124590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1246035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1246116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 124620fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124650fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 124693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1247035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1247116ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 124720fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1247335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1247416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 124750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 124773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124780fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 124793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 124803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1248116ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1248216ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 124833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 124843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 124873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 124883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 124893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 124903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.x || image->page.y)) 124913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 124923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 124933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write JNG oFFs chunk 124943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 124953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 124963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_oFFs); 1249703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_oFFs,9L); 12498bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+4,(ssize_t) (image->page.x)); 12499bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy PNGsLong(chunk+8,(ssize_t) (image->page.y)); 125003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 125013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->write_mng == 0 && (image->page.width || image->page.height)) 125053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); /* data length=8 */ 125073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_vpAg); 1250803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_vpAg,9L); 125093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+4,(png_uint_32) image->page.width); 125103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) image->page.height); 125113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; /* unit = pixels */ 125123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 125133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 125143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125178fe9159929faad07fb14f2bb0fac9c14d0fd4e20glennrp if (transparent != 0) 125183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_alpha_compression_method==0) 125203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12521bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 125223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 125233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12524fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy size_t 125253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len; 125263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IDAT chunk header */ 125283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12530e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write IDAT chunks from blob, length=%.20g.",(double) 12531f2faecf9facdbbb14fcba373365f9f691a9658e0cristy length); 125323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Copy IDAT chunks */ 125343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy len=0; 125353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p=blob+8; 12536bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=8; i<(ssize_t) length; i+=len+12) 125373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125385389e5ad63c880fe6885e3b24c76acbdbf63bd61cristy len=(size_t) (*p<<24)|((*(p+1))<<16)|((*(p+2))<<8)|(*(p+3)); 125393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=4; 125400fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (*(p)==73 && *(p+1)==68 && *(p+2)==65 && *(p+3)==84) /* IDAT */ 125423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Found an IDAT chunk. */ 12544fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image,len); 12545fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy LogPNGChunk(logging,mng_IDAT,len); 12546fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlob(image,len+4,p); 12547fa6de8c321ddfb1c035dcb0901b917b67461dbefcristy (void) WriteBlobMSBULong(image, crc32(0,p,(uInt) len+4)); 125483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125490fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 125503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12554e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Skipping %c%c%c%c chunk, length=%.20g.", 12555e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy *(p),*(p+1),*(p+2),*(p+3),(double) len); 125563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy p+=(8+len); 125583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 125613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 125623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAA chunk header */ 125633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12565e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAA chunk, length=%.20g.",(double) length); 12566bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 125673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAA); 1256803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAA,length); 125693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) data */ 125703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 125713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 125723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob, 125733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) length)); 125743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 125763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 125773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Encode image as a JPEG blob */ 125793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image_info."); 125823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=(ImageInfo *) CloneImageInfo(image_info); 125833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image_info == (ImageInfo *) NULL) 125843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 125853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 125873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 125883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating jpeg_image."); 125893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1259016ea139d53d867211d3bb0fa859a83de653f687ecristy jpeg_image=CloneImage(image,0,0,MagickTrue,exception); 125913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jpeg_image == (Image *) NULL) 125923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 125933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 125943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) AcquireUniqueFilename(jpeg_image->filename); 125963b6fd2ec2d9f69f9404445dba0aff5bac02e685ccristy (void) FormatLocaleString(jpeg_image_info->filename,MaxTextExtent,"%s", 125973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image->filename); 125983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 125993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(jpeg_image_info,jpeg_image,WriteBinaryBlobMode, 1260016ea139d53d867211d3bb0fa859a83de653f687ecristy exception); 126013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12604e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Created jpeg_image, %.20g x %.20g.",(double) jpeg_image->columns, 12605e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) jpeg_image->rows); 126063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (jng_color_type == 8 || jng_color_type == 12) 126083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info->type=GrayscaleType; 126090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1261059575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image_info->quality=jng_quality; 1261159575fa5c228308a41d7f5028390be2083aaaf6dglennrp jpeg_image->quality=jng_quality; 126123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image_info->magick,"JPEG",MaxTextExtent); 126133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(jpeg_image->magick,"JPEG",MaxTextExtent); 126140fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Creating blob."); 126180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1261916ea139d53d867211d3bb0fa859a83de653f687ecristy blob=ImageToBlob(jpeg_image_info,jpeg_image,&length,exception); 126200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 126233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12624e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Successfully read jpeg_image into a blob, length=%.20g.", 12625e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy (double) length); 126263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12628e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Write JDAT chunk, length=%.20g.",(double) length); 126293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 126300fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write JDAT chunk(s) */ 12632bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 126333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_JDAT); 1263403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_JDAT,length); 126353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,blob); 126373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(crc32(0,chunk,4),blob,(uInt) length)); 126383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image=DestroyImage(jpeg_image); 126403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RelinquishUniqueFileResource(jpeg_image_info->filename); 126413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy jpeg_image_info=DestroyImageInfo(jpeg_image_info); 126423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blob=(unsigned char *) RelinquishMagickMemory(blob); 126433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write any JNG-chunk-e profiles */ 12645cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (void) Magick_png_write_chunk_from_profile(image,"JNG-chunk-e",logging); 126463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Write IEND chunk */ 126483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0L); 126493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_IEND); 1265003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_IEND,0); 126513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 126523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 126533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 126553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 126563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " exit WriteOneJNGImage()"); 126570fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 126583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 126593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 126603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 126623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 126633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e J N G I m a g e % 126683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 126713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteJNGImage() writes a JPEG Network Graphics (JNG) image file. 126743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% JNG support written by Glenn Randers-Pehrson, glennrp@image... 126763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteJNGImage method is: 126783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1267916ea139d53d867211d3bb0fa859a83de653f687ecristy% MagickBooleanType WriteJNGImage(const ImageInfo *image_info, 1268016ea139d53d867211d3bb0fa859a83de653f687ecristy% Image *image,ExceptionInfo *exception) 126813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 126833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 126853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 126863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 126873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1268816ea139d53d867211d3bb0fa859a83de653f687ecristy% o exception: return any errors or warnings in this structure. 1268916ea139d53d867211d3bb0fa859a83de653f687ecristy% 126903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 126913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1269216ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteJNGImage(const ImageInfo *image_info,Image *image, 1269316ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 126943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 126953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1269621f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 1269703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging, 126983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 126993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 127053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 127073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 127083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 127093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 127103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12711fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteJNGImage()"); 1271216ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 127133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 127143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 127183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1272073bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 127213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 127223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 127233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 127243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 127253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 127263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 127273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 127283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 127293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\213JNG\r\n\032\n"); 127313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1273216ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,image_info,image,exception); 127333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 127343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 127363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 127373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 127383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteJNGImage()"); 127393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 127403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 127413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1274316ea139d53d867211d3bb0fa859a83de653f687ecristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image, 1274416ea139d53d867211d3bb0fa859a83de653f687ecristy ExceptionInfo *exception) 127453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 127463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy const char 127473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *option; 127483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 127503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next_image; 127513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1275321f0e6211a440c0f96134ea25a1bfe7c5f91c29cglennrp have_mng_structure, 127543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 127553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1275603812ae402fb53d548f0e1d7d14720768f803c2dglennrp volatile MagickBooleanType 1275703812ae402fb53d548f0e1d7d14720768f803c2dglennrp logging; 1275803812ae402fb53d548f0e1d7d14720768f803c2dglennrp 127593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfo 127603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *mng_info; 127613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy int 127633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count, 127643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations, 127653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte; 127663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile int 127683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 127693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 127703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte, 127713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray, 127733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi, 127743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte; 127753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12776bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 127773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i; 127783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 127803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[800]; 127813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy volatile unsigned int 127833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng, 127843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng; 127853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12786bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy volatile size_t 127873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 127883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12789bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 127903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=0, 127913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay; 127923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 12793d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#if (PNG_LIBPNG_VER < 10200) 127943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->verbose) 127953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library (libpng-%s) is rather old.\n", 127963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 127973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 127983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 127993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 128013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 128033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 128043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 128053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 128063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 12807fd05d626fbb7efa0aeff3755d902b5bcdb89b152glennrp logging=LogMagickEvent(CoderEvent,GetMagickModule(),"Enter WriteMNGImage()"); 1280816ea139d53d867211d3bb0fa859a83de653f687ecristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 128093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 128103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 128113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate a MngInfo structure. 128143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickFalse; 1281673bd4a51b419e914565bdf204bf1540dc4c8ee26cristy mng_info=(MngInfo *) AcquireMagickMemory(sizeof(MngInfo)); 128173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info == (MngInfo *) NULL) 128183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 128193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize members of the MngInfo structure. 128213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(mng_info,0,sizeof(MngInfo)); 128233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->image=image; 128243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy have_mng_structure=MagickTrue; 128253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_mng=LocaleCompare(image_info->magick,"MNG") == 0; 128263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 128283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * See if user has requested a specific PNG subformat to be used 128293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * for all of the PNGs in the MNG being written, e.g., 128303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * convert *.png png8:animation.mng 128323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * 128333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * To do: check -define png:bit_depth and png:color_type as well, 128343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * or perhaps use mng:bit_depth and mng:color_type instead for 128353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy * global settings. 128363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 128373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png8=LocaleCompare(image_info->magick,"PNG8") == 0; 128393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png24=LocaleCompare(image_info->magick,"PNG24") == 0; 128403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_png32=LocaleCompare(image_info->magick,"PNG32") == 0; 128413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickFalse; 128433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 128443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_jng=MagickTrue; 128453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->adjoin=image_info->adjoin && 128473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && write_mng; 128483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 128503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* Log some info about the input */ 128523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 128533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 128543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128562dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Checking input image(s)\n" 128572dd1906783a5ece58a6105b4f59239e28b13caddglennrp " Image_info depth: %.20g, Type: %d", 128582dd1906783a5ece58a6105b4f59239e28b13caddglennrp (double) image_info->depth, image_info->type); 128593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 128613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) 128623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 128630fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12865280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp " Scene: %.20g\n, Image depth: %.20g", 12866280283d1a79ab37cd5a59809848acaf2d6f7843aglennrp (double) scene++, (double) p->depth); 128670fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1286817f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (p->alpha_trait != UndefinedPixelTrait) 128693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: True"); 128710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Matte: False"); 128750fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->storage_class == PseudoClass) 128773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: PseudoClass"); 128790fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Storage class: DirectClass"); 128830fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (p->colors) 128853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 12886e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Number of colors: %.20g",(double) p->colors); 128870fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 128893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 128903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Number of colors: unspecified"); 128910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 128923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin == MagickFalse) 128933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 128943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 128963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 128973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 128983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 128993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 129003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 129013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickFalse; 129033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickFalse; 129043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=1; 129053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=1; 129063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->page != (char *) NULL) 129093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Determine image bounding box. 129123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy SetGeometry(image,&mng_info->page); 129143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ParseMetaGeometry(image_info->page,&mng_info->page.x, 129153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy &mng_info->page.y,&mng_info->page.width,&mng_info->page.height); 129163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 129183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned int 129203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom; 129213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 129233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red, 129243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green, 129253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue; 129263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 129273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 129283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickTrue; 129293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->page.width || mng_info->page.height) 129303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_geom=MagickFalse; 129313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Check all the scenes. 129333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 129343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy initial_delay=image->delay; 129353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 129363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=image->chromaticity.red_primary.x != 0.0; 129373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickTrue, 129383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickTrue; 129393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickTrue; 129403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickTrue; 129413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count=0; 129423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickTrue; 129453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 129463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickFalse; 129473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (next_image=image; next_image != (Image *) NULL; ) 129493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_geom) 129513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->columns+next_image->page.x) > mng_info->page.width) 129533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.width=next_image->columns+next_image->page.x; 129540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->rows+next_image->page.y) > mng_info->page.height) 129563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page.height=next_image->rows+next_image->page.y; 129573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->page.x || next_image->page.y) 129603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_defi=MagickTrue; 129610fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1296217f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (next_image->alpha_trait != UndefinedPixelTrait) 129633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_matte=MagickTrue; 129640fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) next_image->dispose >= BackgroundDispose) 1296617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if ((next_image->alpha_trait != UndefinedPixelTrait) || 12967dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy next_image->page.x || next_image->page.y || 129683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((next_image->columns < mng_info->page.width) && 129693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (next_image->rows < mng_info->page.height))) 129703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 129710fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->iterations) 129733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickTrue; 129740fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay=next_image->delay; 129760fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != initial_delay || final_delay > 1UL* 129783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->ticks_per_second) 129793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=1; 129800fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 129823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 129833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 129843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy check for global palette possibility. 129853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1298617f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (image->alpha_trait != UndefinedPixelTrait) 129873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 129880fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 129893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte == 0) 129903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 129917fb2652ba366fc984d1dbb0c66560b91c57dab78cristy if (IsImageGray(image,exception) == MagickFalse) 129923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy all_images_are_gray=MagickFalse; 129933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,next_image); 129943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (use_global_plte == 0) 129953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=mng_info->equal_palettes; 129963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=!mng_info->equal_palettes; 129973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 129983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 129993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next_image) != (Image *) NULL) 130003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->background_color.red != 130023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.red || 130033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.green != 130043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.green || 130053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->background_color.blue != 130063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->background_color.blue) 130073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->gamma != next_image->next->gamma) 130103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->rendering_intent != 130133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->rendering_intent) 130143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next_image->units != next_image->next->units) || 1301716ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.x != next_image->next->resolution.x) || 1301816ea139d53d867211d3bb0fa859a83de653f687ecristy (next_image->resolution.y != next_image->next->resolution.y)) 130193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130200fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 130223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next_image->chromaticity.red_primary.x != 130243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.x || 130253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.red_primary.y != 130263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.red_primary.y || 130273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.x != 130283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.x || 130293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.green_primary.y != 130303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.green_primary.y || 130313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.x != 130323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.x || 130333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.blue_primary.y != 130343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.blue_primary.y || 130353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.x != 130363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.x || 130373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->chromaticity.white_point.y != 130383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image->next->chromaticity.white_point.y) 130393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_count++; 130433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next_image=GetNextImageInList(next_image); 130443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_count < 2) 130463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_backgrounds=MagickFalse; 130483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_chrms=MagickFalse; 130493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_gammas=MagickFalse; 130503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs=MagickFalse; 130513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_physs=MagickFalse; 130523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy use_global_plte=MagickFalse; 130533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 130543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_local_plte=MagickTrue; 130553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 130563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy need_iterations=MagickFalse; 130573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130580fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram == MagickFalse) 130603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Only certain framing rates 100/n are exactly representable without 130633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy the FRAM chunk but we'll allow some slop in VLC files 130643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay == 0) 130663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_iterations != MagickFalse) 130683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 130693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 130703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy It's probably a GIF with loop; don't run it *too* fast. 130713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 130720261712cdc8fb4765add50146936e3ba2cb9fefaglennrp if (mng_info->adjoin) 13073d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp { 13074d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp final_delay=10; 1307516ea139d53d867211d3bb0fa859a83de653f687ecristy (void) ThrowMagickException(exception,GetMagickModule(), 1307616ea139d53d867211d3bb0fa859a83de653f687ecristy CoderWarning, 13077d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp "input has zero delay between all frames; assuming", 13078d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp " 10 cs `%s'",""); 13079d908de4208e47f6b6ddb7c288b50d8f6d8845bb2glennrp } 130803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 130823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=0; 130833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 130843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay != 0) 13085cf002022280cc4dedb2748ad6f415aac1d44f530glennrp mng_info->ticks_per_second=(png_uint_32) 13086cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (image->ticks_per_second/final_delay); 130873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 50) 130883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=2; 130890fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 75) 130913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1; 130920fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (final_delay > 125) 130943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; 130950fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 130963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi && final_delay > 2 && (final_delay != 4) && 130973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (final_delay != 5) && (final_delay != 10) && (final_delay != 20) && 13098d0ee5a2a5576be4065e1e4d9dbdd97da0ade7a9bglennrp (final_delay != 25) && (final_delay != 50) && (1UL*final_delay != 130993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1UL*image->ticks_per_second)) 131003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->need_fram=MagickTrue; /* make it exact; cannot be VLC */ 131013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131020fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram != MagickFalse) 131043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->ticks_per_second=1UL*image->ticks_per_second; 131053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If pseudocolor, we should also check to see if all the 131073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy palettes are identical and write a global PLTE if they are. 131083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ../glennrp Feb 99. 131093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MNG version 1.0 signature and MHDR chunk. 131123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,(const unsigned char *) "\212MNG\r\n\032\n"); 131143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,28L); /* chunk data length=28 */ 131153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MHDR); 1311603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MHDR,28L); 131174e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+4,(png_uint_32) mng_info->page.width); 131184e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.height); 131193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,mng_info->ticks_per_second); 131203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+16,0L); /* layer count=unknown */ 131213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+20,0L); /* frame count=unknown */ 131223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+24,0L); /* play time=unknown */ 131233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_jng) 131243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,27L); /* simplicity=LC+JNG */ 131290fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,25L); /* simplicity=VLC+JNG */ 131323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,19L); /* simplicity=LC+JNG, no transparency */ 131380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,17L); /* simplicity=VLC+JNG, no transparency */ 131413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_matte) 131473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,11L); /* simplicity=LC */ 131500fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,9L); /* simplicity=VLC */ 131533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131540fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi || mng_info->need_fram || use_global_plte) 131583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,3L); /* simplicity=LC, no transparency */ 131590fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 131613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+28,1L); /* simplicity=VLC, no transparency */ 131623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,32,chunk); 131653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,32)); 13166092ec8d083fedaedfb7792995e7ea42164553cffcristy option=GetImageOption(image_info,"mng:need-cacheoff"); 131673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (option != (const char *) NULL) 131683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 131703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 131713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 131723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write "nEED CACHEOFF" to turn playback caching off for streaming MNG. 131743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_nEED); 131763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length=CopyMagickString((char *) chunk+4,"CACHEOFF",20); 13177bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy (void) WriteBlobMSBULong(image,(size_t) length); 1317803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_nEED,(size_t) length); 131793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length+=4; 131803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,length,chunk); 131813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) length)); 131823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 131833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((GetPreviousImageInList(image) == (Image *) NULL) && 131843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (GetNextImageInList(image) != (Image *) NULL) && 131853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->iterations != 1)) 131863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 131873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 131883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG TERM chunk 131893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 131903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 131913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_TERM); 1319203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_TERM,10L); 131933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=3; /* repeat animation */ 131943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* show last frame when done */ 131953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+6,(png_uint_32) (mng_info->ticks_per_second* 131963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy final_delay/MagickMax(image->ticks_per_second,1))); 131970fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 131983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 131993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,PNG_UINT_31_MAX); 132000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) image->iterations); 132030fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 132053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13207e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM delay: %.20g",(double) (mng_info->ticks_per_second* 13208e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy final_delay/MagickMax(image->ticks_per_second,1))); 132090fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->iterations == 0) 132113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13212e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " TERM iterations: %.20g",(double) PNG_UINT_31_MAX); 132130fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 13216e8c25f9b4c9fb72cad6db08eeda58c7c5784014ecristy " Image iterations: %.20g",(double) image->iterations); 132173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 132193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 132203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy To do: check for cHRM+gAMA == sRGB, and write sRGB instead. 132233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->colorspace == sRGBColorspace || image->rendering_intent) && 132253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_srgbs) 132263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG sRGB chunk 132293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); 132313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_sRGB); 1323203812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_sRGB,1L); 132330fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->rendering_intent != UndefinedIntent) 13235e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13236cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13237e610a071534e448c46460a5aa39ede33bf56b329glennrp (image->rendering_intent)); 132380fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 13240e610a071534e448c46460a5aa39ede33bf56b329glennrp chunk[4]=(unsigned char) 13241cf002022280cc4dedb2748ad6f415aac1d44f530glennrp Magick_RenderingIntent_to_PNG_RenderingIntent( 13242cf002022280cc4dedb2748ad6f415aac1d44f530glennrp (PerceptualIntent)); 132430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 132453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 132463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_srgb=MagickTrue; 132473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132480fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 132493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 132503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->gamma && mng_info->equal_gammas) 132523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG gAMA chunk 132553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,4L); 132573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_gAMA); 1325803812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_gAMA,4L); 1325935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*image->gamma+0.5)); 132603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,8,chunk); 132613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,8)); 132623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_gama=MagickTrue; 132633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_chrms) 132653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PrimaryInfo 132673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary; 132683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 132693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG cHRM chunk 132713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,32L); 132733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_cHRM); 1327403812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_cHRM,32L); 132753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.white_point; 1327635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) (100000*primary.x+0.5)); 1327735ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) (100000*primary.y+0.5)); 132783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.red_primary; 1327935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+12,(png_uint_32) (100000*primary.x+0.5)); 1328035ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+16,(png_uint_32) (100000*primary.y+0.5)); 132813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.green_primary; 1328235ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+20,(png_uint_32) (100000*primary.x+0.5)); 1328335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+24,(png_uint_32) (100000*primary.y+0.5)); 132843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy primary=image->chromaticity.blue_primary; 1328535ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+28,(png_uint_32) (100000*primary.x+0.5)); 1328635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+32,(png_uint_32) (100000*primary.y+0.5)); 132873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,36,chunk); 132883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,36)); 132893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_chrm=MagickTrue; 132903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 132913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1329216ea139d53d867211d3bb0fa859a83de653f687ecristy if (image->resolution.x && image->resolution.y && mng_info->equal_physs) 132933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 132943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 132953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG pHYs chunk 132963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 132973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,9L); 132983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_pHYs); 1329903812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_pHYs,9L); 133000fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerInchResolution) 133023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1330335ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1330416ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0/2.54+0.5)); 133050fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1330635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1330716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0/2.54+0.5)); 133080fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133110fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->units == PixelsPerCentimeterResolution) 133153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1331635ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+4,(png_uint_32) 1331716ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.x*100.0+0.5)); 133180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 1331935ef824baa82511126ff0072ae30eee0da9c05a3cristy PNGLong(chunk+8,(png_uint_32) 1332016ea139d53d867211d3bb0fa859a83de653f687ecristy (image->resolution.y*100.0+0.5)); 133210fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=1; 133233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133240fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 133263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1332716ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+4,(png_uint_32) (image->resolution.x+0.5)); 1332816ea139d53d867211d3bb0fa859a83de653f687ecristy PNGLong(chunk+8,(png_uint_32) (image->resolution.y+0.5)); 133293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[12]=0; 133303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,13,chunk); 133333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,13)); 133343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG BACK chunk and global bKGD chunk, if the image is transparent 133373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy or does not cover the entire frame. 133383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1333917f11b056210f082a6d0e54ac5d68e6d72fa76b2cristy if (write_mng && ((image->alpha_trait != UndefinedPixelTrait) || 13340dc2d327c3b86b0567bdcf9b4d04b5e4663864480cristy image->page.x > 0 || image->page.y > 0 || (image->page.width && 133413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->page.width+image->page.x < mng_info->page.width)) 133423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy || (image->page.height && (image->page.height+image->page.y 133433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy < mng_info->page.height)))) 133443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_BACK); 1334703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_BACK,6L); 133483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red=ScaleQuantumToShort(image->background_color.red); 133493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green=ScaleQuantumToShort(image->background_color.green); 133503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue=ScaleQuantumToShort(image->background_color.blue); 133513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+4,red); 133523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+6,green); 133533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGShort(chunk+8,blue); 133543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_backgrounds) 133573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 133583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,6L); 133593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_bKGD); 1336003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_bKGD,6L); 133613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,10,chunk); 133623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,10)); 133633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#ifdef PNG_WRITE_EMPTY_PLTE_SUPPORTED 133673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((need_local_plte == MagickFalse) && 133683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->storage_class == PseudoClass) && 133693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (all_images_are_gray == MagickFalse)) 133703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13371bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 133723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 133733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 133743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 133753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 133763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 133773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 133783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 133793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1338003812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 133810fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13382bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 133833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1338416ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[4+i*3]=(unsigned char) (ScaleQuantumToChar( 1338516ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].red) & 0xff); 1338616ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[5+i*3]=(unsigned char) (ScaleQuantumToChar( 1338716ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].green) & 0xff); 1338816ea139d53d867211d3bb0fa859a83de653f687ecristy chunk[6+i*3]=(unsigned char) (ScaleQuantumToChar( 1338916ea139d53d867211d3bb0fa859a83de653f687ecristy image->colormap[i].blue) & 0xff); 133903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 133923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 133933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,(uInt) (data_length+4))); 133943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 133953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 133973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 133983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 133993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->delay=0; 134003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=MagickFalse; 134033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 134053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->adjoin) 134073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) || \ 134093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy defined(PNG_MNG_FEATURES_SUPPORTED) 134103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy If we aren't using a global palette for the entire MNG, check to 134123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy see if we can use one for two or more consecutive images. 134133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_local_plte && use_global_plte && !all_images_are_gray) 134153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->IsPalette) 134173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy When equal_palettes is true, this image has the same palette 134203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy as the previous PseudoClass image 134213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 134223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=mng_info->equal_palettes; 134233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->equal_palettes=PalettesAreEqual(image,image->next); 134243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->equal_palettes && !mng_info->have_write_global_plte) 134253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 134273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write MNG PLTE chunk 134283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 13429bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 134303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length; 134313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy data_length=3*image->colors; 134333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,data_length); 134343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_PLTE); 1343503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_PLTE,data_length); 134360fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 13437bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) image->colors; i++) 134383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4+i*3]=ScaleQuantumToChar(image->colormap[i].red); 134403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5+i*3]=ScaleQuantumToChar(image->colormap[i].green); 134413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6+i*3]=ScaleQuantumToChar(image->colormap[i].blue); 134423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134430fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 134443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,data_length+4,chunk); 134453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk, 134463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (uInt) (data_length+4))); 134473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickTrue; 134483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->have_write_global_plte=MagickFalse; 134523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 134543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (need_defi) 134553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 13456bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 134573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x, 134583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y; 134593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (scene) 134613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=mng_info->page.x; 134633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=mng_info->page.y; 134643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 134663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_x=0; 134683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy previous_y=0; 134693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->page=image->page; 134713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((mng_info->page.x != previous_x) || 134723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->page.y != previous_y)) 134733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,12L); /* data length=12 */ 134753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_DEFI); 1347603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_DEFI,12L); 134773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=0; /* object 0 MSB */ 134783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* object 0 LSB */ 134793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=0; /* visible */ 134803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* abstract */ 134813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+8,(png_uint_32) mng_info->page.x); 134823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+12,(png_uint_32) mng_info->page.y); 134833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,16,chunk); 134843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,16)); 134853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 134883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->write_mng=write_mng; 134903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((int) image->dispose >= 3) 134923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->framing_mode=3; 134933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 134943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (mng_info->need_fram && mng_info->adjoin && 134953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((image->delay != mng_info->delay) || 134963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (mng_info->framing_mode != mng_info->old_framing_mode))) 134973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 134983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->delay == mng_info->delay) 134993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the new framing mode. 135023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,1L); /* data length=1 */ 135043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1350503812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,1L); 135063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,5,chunk); 135083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,5)); 135093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 135133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write a MNG FRAM chunk with the delay. 135143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 135153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,10L); /* data length=10 */ 135163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_FRAM); 1351703812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_FRAM,10L); 135183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[4]=(unsigned char) mng_info->framing_mode; 135193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[5]=0; /* frame name separator (no name) */ 135203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[6]=2; /* flag for changing default delay */ 135213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[7]=0; /* flag for changing frame timeout */ 135223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[8]=0; /* flag for changing frame clipping */ 135233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy chunk[9]=0; /* flag for changing frame sync_id */ 135243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGLong(chunk+10,(png_uint_32) 135253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((mng_info->ticks_per_second* 135263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->delay)/MagickMax(image->ticks_per_second,1))); 135273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,14,chunk); 135283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,14)); 135294e5bc84ff8bf274c4d9206d5e6ffd1a5e5d75335cristy mng_info->delay=(png_uint_32) image->delay; 135303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy mng_info->old_framing_mode=mng_info->framing_mode; 135323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#if defined(JNG_SUPPORTED) 135353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->compression == JPEGCompression) 135363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 135383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 135393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing JNG object."); 135433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* To do: specify the desired alpha compression method. */ 135443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 135453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info->compression=UndefinedCompression; 1354616ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOneJNGImage(mng_info,write_info,image,exception); 135473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 135483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 135503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 135513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 135533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 135543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy " Writing PNG object."); 135552f2e514554975d510c88df54de98c6cdc1080f1cglennrp 13556b9cfe27bef51dbbd1f05aef89c767749d7e37864glennrp mng_info->need_blob = MagickFalse; 135578d3d6e584829223ac5f6e6653c3caa38a2562a74glennrp mng_info->ping_preserve_colormap = MagickFalse; 135582f2e514554975d510c88df54de98c6cdc1080f1cglennrp 135592f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* We don't want any ancillary chunks written */ 135602f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_bKGD=MagickTrue; 135612f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_cHRM=MagickTrue; 13562a0ed009a1e9480ac6f3f4520e9ef29d6d37e27dcglennrp mng_info->ping_exclude_date=MagickTrue; 135632f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_EXIF=MagickTrue; 135642f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_gAMA=MagickTrue; 135652f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_iCCP=MagickTrue; 135662f2e514554975d510c88df54de98c6cdc1080f1cglennrp /* mng_info->ping_exclude_iTXt=MagickTrue; */ 135672f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_oFFs=MagickTrue; 135682f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_pHYs=MagickTrue; 135692f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_sRGB=MagickTrue; 135702f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_tEXt=MagickTrue; 13571a1e3b7b4887860a199d00bddbf4b12e0a93ee1e5glennrp mng_info->ping_exclude_tRNS=MagickTrue; 135722f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_vpAg=MagickTrue; 135732f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zCCP=MagickTrue; 135742f2e514554975d510c88df54de98c6cdc1080f1cglennrp mng_info->ping_exclude_zTXt=MagickTrue; 135752f2e514554975d510c88df54de98c6cdc1080f1cglennrp 1357616ea139d53d867211d3bb0fa859a83de653f687ecristy status=WriteOnePNGImage(mng_info,image_info,image,exception); 135773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 135803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 135823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 135833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 135843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 135853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CatchImageException(image); 135863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 135873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 135883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 135893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,SaveImagesTag,scene++, 135903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(image)); 135910fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 135923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 135933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 135940fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 135953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while (mng_info->adjoin); 135960fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 135973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_mng) 135983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 135993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy while (GetPreviousImageInList(image) != (Image *) NULL) 136003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=GetPreviousImageInList(image); 136013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write the MEND chunk. 136033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,0x00000000L); 136053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNGType(chunk,mng_MEND); 1360603812ae402fb53d548f0e1d7d14720768f803c2dglennrp LogPNGChunk(logging,mng_MEND,0L); 136073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,4,chunk); 136083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobMSBULong(image,crc32(0,chunk,4)); 136093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 136103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 136113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Relinquish resources. 136123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 136133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 136143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MngInfoFreeStruct(mng_info,&have_mng_structure); 136150fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (logging != MagickFalse) 136173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"exit WriteMNGImage()"); 136180fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 136203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13621d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#else /* PNG_LIBPNG_VER > 10011 */ 1362239992b4dd9b12ef752d55b8e402c069698851f72glennrp 136233ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WritePNGImage(const ImageInfo *image_info,Image *image) 136243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136253bd393f9074299ed9f2f3d128e4985118077c2bdglennrp (void) image; 136263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy printf("Your PNG library is too old: You have libpng-%s\n", 136273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy PNG_LIBPNG_VER_STRING); 136280fe50b47f88ea0fc74b8bdb0e552fc7c58e2b5a0glennrp 136293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowBinaryException(CoderError,"PNG library is too old", 136303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_info->filename); 136313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1363239992b4dd9b12ef752d55b8e402c069698851f72glennrp 136333ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteMNGImage(const ImageInfo *image_info,Image *image) 136343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 136353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(WritePNGImage(image_info,image)); 136363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 13637d5045b44ae266ec7d6d2fca5e7c8a69a28938ec4glennrp#endif /* PNG_LIBPNG_VER > 10011 */ 136383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 13639