icon.c revision 2a11befa48257796843468409d77bb8cfb129cdc
13ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 23ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 33ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 43ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 53ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 63ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IIIII CCCC OOO N N % 73ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I C O O NN N % 83ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I C O O N N N % 93ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% I C O O N NN % 103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% IIIII CCCC OOO N N % 113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Read Microsoft Windows Icon Format % 143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Software Design % 163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% John Cristy % 173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% July 1992 % 183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 207e41fe84a841d7b9d7b36b245b65e9dcb3314943cristy% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % 213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% dedicated to making software imaging solutions freely available. % 223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% You may not use this file except in compliance with the License. You may % 243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% obtain a copy of the License at % 253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% http://www.imagemagick.org/script/license.php % 273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Unless required by applicable law or agreed to in writing, software % 293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% distributed under the License is distributed on an "AS IS" BASIS, % 303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% See the License for the specific language governing permissions and % 323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% limitations under the License. % 333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Include declarations. 413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 424c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/studio.h" 434c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/blob.h" 444c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/blob-private.h" 454c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/cache.h" 464c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/colormap.h" 474c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/colorspace.h" 484c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/exception.h" 494c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/exception-private.h" 504c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/image.h" 514c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/image-private.h" 524c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/list.h" 534c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/log.h" 544c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/magick.h" 554c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/memory_.h" 564c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/monitor.h" 574c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/monitor-private.h" 5817c826f7adb9002b9268865620f09f359e01979ecristy#include "MagickCore/nt-base-private.h" 594c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/pixel-accessor.h" 604c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/quantize.h" 614c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/quantum-private.h" 624c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/static.h" 634c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/string_.h" 644c08aed51c5899665ade97263692328eea4af106cristy#include "MagickCore/module.h" 653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Define declarations. 683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 690157aeadef2fce908277168097a160a8f15a6952cristy#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__) 703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define BI_RGB 0 713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define BI_RLE8 1 723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define BI_BITFIELDS 3 733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#endif 743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy#define MaxIcons 1024 753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Typedef declarations. 783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 793ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _IconEntry 803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width, 833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height, 843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy colors, 853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reserved; 863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short int 883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy planes, 893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bits_per_pixel; 903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 91bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size, 933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset; 943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} IconEntry; 953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 963ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _IconFile 973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy short 993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy reserved, 1003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy resource_type, 1013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy count; 1023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IconEntry 1043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy directory[MaxIcons]; 1053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} IconFile; 1063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1073ed852eea50f9d4cd633efb8c2b054b8e33c253cristytypedef struct _IconInfo 1083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 109bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy file_size, 1113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ba_offset, 1123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset_bits, 1133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size; 1143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 115bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 1163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy width, 1173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy height; 1183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned short 1203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy planes, 1213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bits_per_pixel; 1223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 123bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy compression, 1253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image_size, 1263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x_pixels, 1273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy y_pixels, 1283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy number_colors, 1293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy red_mask, 1303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy green_mask, 1313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy blue_mask, 1323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy alpha_mask, 1333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy colors_important; 1343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 135bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy ssize_t 1363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy colorspace; 1373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} IconInfo; 1383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Forward declaractions. 1413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1423ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType 1431e178e70fb3c956f9fc1e30c3ba863e882666465cristy WriteICONImage(const ImageInfo *,Image *,ExceptionInfo *); 1443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 1463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e a d I C O N I m a g e % 1513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 1543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ReadICONImage() reads a Microsoft icon image file and returns it. It 1573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% allocates the memory necessary for the new Image structure and returns a 1583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% pointer to the new image. 1593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the ReadICONImage method is: 1613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% Image *ReadICONImage(const ImageInfo *image_info, 1633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ExceptionInfo *exception) 1643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows: 1663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 1683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o exception: return any errors or warnings in this structure. 1703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 1713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 1723ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic Image *ReadICONImage(const ImageInfo *image_info, 1733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ExceptionInfo *exception) 1743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 1753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IconFile 1763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file; 1773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IconInfo 1793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info; 1803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 1823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *image; 1833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 1853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 1863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 187bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 1883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 1893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 1903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1914c08aed51c5899665ade97263692328eea4af106cristy register Quantum 1923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 1933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 1943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 1953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 1963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 197bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 1983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit, 199eaedf06777741da32408da72c1e512975c600c48cristy byte, 2003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_per_line, 201eaedf06777741da32408da72c1e512975c600c48cristy one, 2023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scanline_pad; 2033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 204ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy ssize_t 205ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy count, 206ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy offset, 207ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy y; 208ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy 2093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open image file. 2113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 2133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 2143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image_info->filename); 2153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception != (ExceptionInfo *) NULL); 2163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(exception->signature == MagickSignature); 2171f1de1882cd91b3fffd8b701d70fbf0949c6cf50cristy image=AcquireImage(image_info,exception); 2183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 2193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 2203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 2223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 2233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 2243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.reserved=(short) ReadBlobLSBShort(image); 2253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.resource_type=(short) ReadBlobLSBShort(image); 2263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.count=(short) ReadBlobLSBShort(image); 2273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((icon_file.reserved != 0) || 2283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ((icon_file.resource_type != 1) && (icon_file.resource_type != 2)) || 2293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (icon_file.count > MaxIcons)) 2303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 2313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < icon_file.count; i++) 2323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].width=(unsigned char) ReadBlobByte(image); 2343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].height=(unsigned char) ReadBlobByte(image); 2353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].colors=(unsigned char) ReadBlobByte(image); 2363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].reserved=(unsigned char) ReadBlobByte(image); 2373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].planes=(unsigned short) ReadBlobLSBShort(image); 2383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].bits_per_pixel=(unsigned short) 2393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ReadBlobLSBShort(image); 2403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].size=ReadBlobLSBLong(image); 2413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].offset=ReadBlobLSBLong(image); 2423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 243eaedf06777741da32408da72c1e512975c600c48cristy one=1; 2443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (i=0; i < icon_file.count; i++) 2453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Verify Icon identifier. 2483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 2493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=(ssize_t) SeekBlob(image,(MagickOffsetType) 2503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[i].offset,SEEK_SET); 2513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (offset < 0) 2523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 2533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.size=ReadBlobLSBLong(image); 254d63c05090aab1e473b06640f5d0d5cf15a2e71adcristy icon_info.width=(unsigned char) ((int) ReadBlobLSBLong(image)); 255d63c05090aab1e473b06640f5d0d5cf15a2e71adcristy icon_info.height=(unsigned char) ((int) ReadBlobLSBLong(image)/2); 2564e09e0312060a073162b0e5a796495e61fccada5cristy icon_info.planes=ReadBlobLSBShort(image); 2574e09e0312060a073162b0e5a796495e61fccada5cristy icon_info.bits_per_pixel=ReadBlobLSBShort(image); 2584e09e0312060a073162b0e5a796495e61fccada5cristy if ((icon_info.planes == 18505) && (icon_info.bits_per_pixel == 21060)) 2593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 2603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 2613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *icon_image; 2623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 2633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 2643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *read_info; 2653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 266f054ee74c237471da2f9be084079112f3c89669ccristy size_t 267f054ee74c237471da2f9be084079112f3c89669ccristy length; 268f054ee74c237471da2f9be084079112f3c89669ccristy 269f054ee74c237471da2f9be084079112f3c89669ccristy unsigned char 270f054ee74c237471da2f9be084079112f3c89669ccristy *png; 271f054ee74c237471da2f9be084079112f3c89669ccristy 2723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 2733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Icon image encoded as a compressed PNG image. 2743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 275f054ee74c237471da2f9be084079112f3c89669ccristy length=icon_file.directory[i].size; 2764e09e0312060a073162b0e5a796495e61fccada5cristy png=(unsigned char *) AcquireQuantumMemory(length+16,sizeof(*png)); 277f054ee74c237471da2f9be084079112f3c89669ccristy if (png == (unsigned char *) NULL) 278f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 279f054ee74c237471da2f9be084079112f3c89669ccristy (void) CopyMagickMemory(png,"\211PNG\r\n\032\n\000\000\000\015",12); 2804e09e0312060a073162b0e5a796495e61fccada5cristy png[12]=(unsigned char) icon_info.planes; 2814e09e0312060a073162b0e5a796495e61fccada5cristy png[13]=(unsigned char) (icon_info.planes >> 8); 2824e09e0312060a073162b0e5a796495e61fccada5cristy png[14]=(unsigned char) icon_info.bits_per_pixel; 2834e09e0312060a073162b0e5a796495e61fccada5cristy png[15]=(unsigned char) (icon_info.bits_per_pixel >> 8); 2844e09e0312060a073162b0e5a796495e61fccada5cristy count=ReadBlob(image,length-16,png+16); 2854e09e0312060a073162b0e5a796495e61fccada5cristy if (count != (ssize_t) (length-16)) 286f054ee74c237471da2f9be084079112f3c89669ccristy { 287f054ee74c237471da2f9be084079112f3c89669ccristy png=(unsigned char *) RelinquishMagickMemory(png); 288f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(CorruptImageError, 289f054ee74c237471da2f9be084079112f3c89669ccristy "InsufficientImageDataInFile"); 290f054ee74c237471da2f9be084079112f3c89669ccristy } 2913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_info=CloneImageInfo(image_info); 2923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(read_info->magick,"PNG",MaxTextExtent); 2934e09e0312060a073162b0e5a796495e61fccada5cristy icon_image=BlobToImage(read_info,png,length+16,exception); 2943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy read_info=DestroyImageInfo(read_info); 295f054ee74c237471da2f9be084079112f3c89669ccristy png=(unsigned char *) RelinquishMagickMemory(png); 29647de5a9da4464b279806af8f178ceb801bc3fc7acristy if (icon_image == (Image *) NULL) 2973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 29847de5a9da4464b279806af8f178ceb801bc3fc7acristy image=DestroyImageList(image); 29947de5a9da4464b279806af8f178ceb801bc3fc7acristy return((Image *) NULL); 3003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 30147de5a9da4464b279806af8f178ceb801bc3fc7acristy DestroyBlob(icon_image); 30247de5a9da4464b279806af8f178ceb801bc3fc7acristy icon_image->blob=ReferenceBlob(image->blob); 30347de5a9da4464b279806af8f178ceb801bc3fc7acristy ReplaceImageInList(&image,icon_image); 3043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 3053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 3063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 307f054ee74c237471da2f9be084079112f3c89669ccristy if (icon_info.bits_per_pixel > 32) 308f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 309f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.compression=ReadBlobLSBLong(image); 310f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.image_size=ReadBlobLSBLong(image); 311f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.x_pixels=ReadBlobLSBLong(image); 312f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.y_pixels=ReadBlobLSBLong(image); 313f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.number_colors=ReadBlobLSBLong(image); 314f054ee74c237471da2f9be084079112f3c89669ccristy icon_info.colors_important=ReadBlobLSBLong(image); 315f054ee74c237471da2f9be084079112f3c89669ccristy image->matte=MagickTrue; 316f054ee74c237471da2f9be084079112f3c89669ccristy image->columns=(size_t) icon_file.directory[i].width; 317f054ee74c237471da2f9be084079112f3c89669ccristy if ((ssize_t) image->columns > icon_info.width) 318f054ee74c237471da2f9be084079112f3c89669ccristy image->columns=(size_t) icon_info.width; 3194e09e0312060a073162b0e5a796495e61fccada5cristy if (image->columns == 0) 3204e09e0312060a073162b0e5a796495e61fccada5cristy image->columns=256; 321f054ee74c237471da2f9be084079112f3c89669ccristy image->rows=(size_t) icon_file.directory[i].height; 322f054ee74c237471da2f9be084079112f3c89669ccristy if ((ssize_t) image->rows > icon_info.height) 323f054ee74c237471da2f9be084079112f3c89669ccristy image->rows=(size_t) icon_info.height; 3244e09e0312060a073162b0e5a796495e61fccada5cristy if (image->rows == 0) 3254e09e0312060a073162b0e5a796495e61fccada5cristy image->rows=256; 326f054ee74c237471da2f9be084079112f3c89669ccristy image->depth=icon_info.bits_per_pixel; 327f054ee74c237471da2f9be084079112f3c89669ccristy if (image->debug != MagickFalse) 328f054ee74c237471da2f9be084079112f3c89669ccristy { 329f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 330f054ee74c237471da2f9be084079112f3c89669ccristy " scene = %.20g",(double) i); 331f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 332f054ee74c237471da2f9be084079112f3c89669ccristy " size = %.20g",(double) icon_info.size); 333f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 334f054ee74c237471da2f9be084079112f3c89669ccristy " width = %.20g",(double) icon_file.directory[i].width); 335f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 336f054ee74c237471da2f9be084079112f3c89669ccristy " height = %.20g",(double) icon_file.directory[i].height); 337f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 338f054ee74c237471da2f9be084079112f3c89669ccristy " colors = %.20g",(double ) icon_info.number_colors); 339f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 340f054ee74c237471da2f9be084079112f3c89669ccristy " planes = %.20g",(double) icon_info.planes); 341f054ee74c237471da2f9be084079112f3c89669ccristy (void) LogMagickEvent(CoderEvent,GetMagickModule(), 342f054ee74c237471da2f9be084079112f3c89669ccristy " bpp = %.20g",(double) icon_info.bits_per_pixel); 343f054ee74c237471da2f9be084079112f3c89669ccristy } 344f054ee74c237471da2f9be084079112f3c89669ccristy if ((icon_info.number_colors != 0) || (icon_info.bits_per_pixel <= 16)) 345f054ee74c237471da2f9be084079112f3c89669ccristy { 346f054ee74c237471da2f9be084079112f3c89669ccristy image->storage_class=PseudoClass; 347f054ee74c237471da2f9be084079112f3c89669ccristy image->colors=icon_info.number_colors; 348f054ee74c237471da2f9be084079112f3c89669ccristy if (image->colors == 0) 349f054ee74c237471da2f9be084079112f3c89669ccristy image->colors=one << icon_info.bits_per_pixel; 350f054ee74c237471da2f9be084079112f3c89669ccristy } 351f054ee74c237471da2f9be084079112f3c89669ccristy if (image->storage_class == PseudoClass) 352f054ee74c237471da2f9be084079112f3c89669ccristy { 353f054ee74c237471da2f9be084079112f3c89669ccristy register ssize_t 354f054ee74c237471da2f9be084079112f3c89669ccristy i; 355f054ee74c237471da2f9be084079112f3c89669ccristy 356f054ee74c237471da2f9be084079112f3c89669ccristy size_t 357f054ee74c237471da2f9be084079112f3c89669ccristy number_colors, 358f054ee74c237471da2f9be084079112f3c89669ccristy one; 359f054ee74c237471da2f9be084079112f3c89669ccristy 360f054ee74c237471da2f9be084079112f3c89669ccristy unsigned char 361f054ee74c237471da2f9be084079112f3c89669ccristy *icon_colormap; 362ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy 363f054ee74c237471da2f9be084079112f3c89669ccristy /* 364f054ee74c237471da2f9be084079112f3c89669ccristy Read Icon raster colormap. 365f054ee74c237471da2f9be084079112f3c89669ccristy */ 366f054ee74c237471da2f9be084079112f3c89669ccristy one=1; 367f054ee74c237471da2f9be084079112f3c89669ccristy number_colors=one << icon_info.bits_per_pixel; 368f054ee74c237471da2f9be084079112f3c89669ccristy if (AcquireImageColormap(image,number_colors,exception) == MagickFalse) 369f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 370f054ee74c237471da2f9be084079112f3c89669ccristy icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t) 371f054ee74c237471da2f9be084079112f3c89669ccristy image->colors,4UL*sizeof(*icon_colormap)); 372f054ee74c237471da2f9be084079112f3c89669ccristy if (icon_colormap == (unsigned char *) NULL) 373f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 374f054ee74c237471da2f9be084079112f3c89669ccristy count=ReadBlob(image,(size_t) (4*image->colors),icon_colormap); 375f054ee74c237471da2f9be084079112f3c89669ccristy if (count != (ssize_t) (4*image->colors)) 376f054ee74c237471da2f9be084079112f3c89669ccristy ThrowReaderException(CorruptImageError, 377f054ee74c237471da2f9be084079112f3c89669ccristy "InsufficientImageDataInFile"); 378f054ee74c237471da2f9be084079112f3c89669ccristy p=icon_colormap; 379f054ee74c237471da2f9be084079112f3c89669ccristy for (i=0; i < (ssize_t) image->colors; i++) 380f054ee74c237471da2f9be084079112f3c89669ccristy { 381f054ee74c237471da2f9be084079112f3c89669ccristy image->colormap[i].blue=(Quantum) ScaleCharToQuantum(*p++); 382f054ee74c237471da2f9be084079112f3c89669ccristy image->colormap[i].green=(Quantum) ScaleCharToQuantum(*p++); 383f054ee74c237471da2f9be084079112f3c89669ccristy image->colormap[i].red=(Quantum) ScaleCharToQuantum(*p++); 384f054ee74c237471da2f9be084079112f3c89669ccristy p++; 385f054ee74c237471da2f9be084079112f3c89669ccristy } 386f054ee74c237471da2f9be084079112f3c89669ccristy icon_colormap=(unsigned char *) RelinquishMagickMemory(icon_colormap); 387f054ee74c237471da2f9be084079112f3c89669ccristy } 3883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 3893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert Icon raster image to pixel packets. 3903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 391f054ee74c237471da2f9be084079112f3c89669ccristy if ((image_info->ping != MagickFalse) && 392f054ee74c237471da2f9be084079112f3c89669ccristy (image_info->number_scenes != 0)) 393f054ee74c237471da2f9be084079112f3c89669ccristy if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 394f054ee74c237471da2f9be084079112f3c89669ccristy break; 3953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_per_line=(((image->columns*icon_info.bits_per_pixel)+31) & 3963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ~31) >> 3; 397da16f16767eb31921af855f17bda465fffc4e000cristy (void) bytes_per_line; 3983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scanline_pad=((((image->columns*icon_info.bits_per_pixel)+31) & ~31)- 3993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (image->columns*icon_info.bits_per_pixel)) >> 3; 4003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy switch (icon_info.bits_per_pixel) 4013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 4033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 4053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert bitmap scanline. 4063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 407bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 4083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 410acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 4113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 412bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) (image->columns-7); x+=8) 4133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 414f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 4153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=0; bit < 8; bit++) 4164c08aed51c5899665ade97263692328eea4af106cristy { 4174c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 : 4184c08aed51c5899665ade97263692328eea4af106cristy 0x00),q); 419ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4204c08aed51c5899665ade97263692328eea4af106cristy } 4213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 4233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 424f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 4253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=0; bit < (image->columns % 8); bit++) 4264c08aed51c5899665ade97263692328eea4af106cristy { 4274c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 : 4284c08aed51c5899665ade97263692328eea4af106cristy 0x00),q); 429ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4304c08aed51c5899665ade97263692328eea4af106cristy } 4313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 432bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) scanline_pad; x++) 433f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 4343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 4353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 4373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,image->rows-y-1, 4393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows); 4403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 4413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 4473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 4493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read 4-bit Icon scanline. 4503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 451bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 4523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 454acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 4553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 456bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < ((ssize_t) image->columns-1); x+=2) 4573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 458f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 4594c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,((byte >> 4) & 0xf),q); 460ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4614c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,((byte) & 0xf),q); 462ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 2) != 0) 4653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 466f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 4674c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,((byte >> 4) & 0xf),q); 468ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 470bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) scanline_pad; x++) 471f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 4723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 4733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 4753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,image->rows-y-1, 4773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows); 4783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 4793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 4833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 4843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 4853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 4873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoColor scanline. 4883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 489bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 4903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 4913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 492acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 4933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 494bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 4953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 496f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 4974c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,byte,q); 498ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 4993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 500bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) scanline_pad; x++) 501f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 5023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 5033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 5053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,image->rows-y-1, 5073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows); 5083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 5093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 16: 5153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoColor scanline. 5183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 519bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 5203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 522acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 5233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 524bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 5253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 526f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 527f054ee74c237471da2f9be084079112f3c89669ccristy byte|=(size_t) (ReadBlobByte(image) << 8); 5284c08aed51c5899665ade97263692328eea4af106cristy SetPixelIndex(image,byte,q); 529ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 5303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 531bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) scanline_pad; x++) 532f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 5333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 5343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 5363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,image->rows-y-1, 5383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows); 5393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 5403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 24: 5463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 32: 5473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert DirectColor scanline. 5503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 551bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 5523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 554acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 5553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 556bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) image->columns; x++) 5573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 558f054ee74c237471da2f9be084079112f3c89669ccristy SetPixelBlue(image,ScaleCharToQuantum((unsigned char) 559f054ee74c237471da2f9be084079112f3c89669ccristy ReadBlobByte(image)),q); 560f054ee74c237471da2f9be084079112f3c89669ccristy SetPixelGreen(image,ScaleCharToQuantum((unsigned char) 561f054ee74c237471da2f9be084079112f3c89669ccristy ReadBlobByte(image)),q); 562f054ee74c237471da2f9be084079112f3c89669ccristy SetPixelRed(image,ScaleCharToQuantum((unsigned char) 563f054ee74c237471da2f9be084079112f3c89669ccristy ReadBlobByte(image)),q); 5643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_info.bits_per_pixel == 32) 565f054ee74c237471da2f9be084079112f3c89669ccristy SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) 566f054ee74c237471da2f9be084079112f3c89669ccristy ReadBlobByte(image)),q); 567ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 5683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_info.bits_per_pixel == 24) 570bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) scanline_pad; x++) 571f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 5723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 5733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->previous == (Image *) NULL) 5753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImageTag,image->rows-y-1, 5773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->rows); 5783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 5793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 5833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy default: 5853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 5863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 5875dd718802969a0ef5386a9f68ddaee5469fd9e87cristy if (image_info->ping == MagickFalse) 588ea1a8aa04a9fe1500104284407c1cc06d20da699cristy (void) SyncImage(image,exception); 5893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_info.bits_per_pixel != 32) 5903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 5923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Read the ICON alpha mask. 5933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 5943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image->storage_class=DirectClass; 595bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=(ssize_t) image->rows-1; y >= 0; y--) 5963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 5973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 598acd2ed254c18c254a0ab5aafa06d1645e5d079d8cristy if (q == (Quantum *) NULL) 5993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 600bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < ((ssize_t) image->columns-7); x+=8) 6013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 602f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 6033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=0; bit < 8; bit++) 6044c08aed51c5899665ade97263692328eea4af106cristy { 6054c08aed51c5899665ade97263692328eea4af106cristy SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ? 6064c08aed51c5899665ade97263692328eea4af106cristy TransparentAlpha : OpaqueAlpha),q); 607ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 6084c08aed51c5899665ade97263692328eea4af106cristy } 6093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns % 8) != 0) 6113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 612f054ee74c237471da2f9be084079112f3c89669ccristy byte=(size_t) ReadBlobByte(image); 6133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy for (bit=0; bit < (image->columns % 8); bit++) 6144c08aed51c5899665ade97263692328eea4af106cristy { 6154c08aed51c5899665ade97263692328eea4af106cristy SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ? 6164c08aed51c5899665ade97263692328eea4af106cristy TransparentAlpha : OpaqueAlpha),q); 617ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy q+=GetPixelChannels(image); 6184c08aed51c5899665ade97263692328eea4af106cristy } 6193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6200e8200f78c4cb859725d32da48fcaf6f41f6ca02cristy if ((image->columns % 32) != 0) 621bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) ((32-(image->columns % 32))/8); x++) 622f054ee74c237471da2f9be084079112f3c89669ccristy (void) ReadBlobByte(image); 6233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (SyncAuthenticPixels(image,exception) == MagickFalse) 6243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 6253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (EOFBlob(image) != MagickFalse) 6283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowFileException(exception,CorruptImageError, 6303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy "UnexpectedEndOfFile",image->filename); 6313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 6323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 6353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Proceed to next image. 6363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image_info->number_scenes != 0) 6383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 6393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 640bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy if (i < (ssize_t) (icon_file.count-1)) 6413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 6433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Allocate next image structure. 6443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 6451f1de1882cd91b3fffd8b701d70fbf0949c6cf50cristy AcquireNextImage(image_info,image,exception); 6463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(image) == (Image *) NULL) 6473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 6483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=DestroyImageList(image); 6493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return((Image *) NULL); 6503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy image=SyncNextImageInList(image); 6523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 6533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetBlobSize(image)); 6543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 6553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 6563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 6583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 6593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(GetFirstImageInList(image)); 6603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 6613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 6633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% R e g i s t e r I C O N I m a g e % 6683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 6713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 6723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% RegisterICONImage() adds attributes for the Icon image format to 6743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% the list of supported formats. The attributes include the image format 6753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% tag, a method to read and/or write the format, whether the format 6763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% supports the saving of more than one frame to the same file or blob, 6773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% whether the format supports native in-memory I/O, and a brief 6783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% description of the format. 6793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the RegisterICONImage method is: 6813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 682bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy% size_t RegisterICONImage(void) 6833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 6843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 685bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristyModuleExport size_t RegisterICONImage(void) 6863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 6873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickInfo 6883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *entry; 6893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 6903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("CUR"); 6913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadICONImage; 6923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteICONImage; 6933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 6943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; 6953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Microsoft icon"); 6963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("CUR"); 6973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 6983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("ICO"); 6993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadICONImage; 7003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteICONImage; 7013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickTrue; 7023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; 7033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Microsoft icon"); 7043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("ICON"); 7053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 7063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry=SetMagickInfo("ICON"); 7073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->decoder=(DecodeImageHandler *) ReadICONImage; 7083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->encoder=(EncodeImageHandler *) WriteICONImage; 7093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->adjoin=MagickFalse; 7103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->seekable_stream=MagickTrue; 7113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->description=ConstantString("Microsoft icon"); 7123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy entry->module=ConstantString("ICON"); 7133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) RegisterMagickInfo(entry); 7143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickImageCoderSignature); 7153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 7163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% U n r e g i s t e r I C O N I m a g e % 7233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterICONImage() removes format registrations made by the 7293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% ICON module from the list of supported formats. 7303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the UnregisterICONImage method is: 7323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% UnregisterICONImage(void) 7343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7363ed852eea50f9d4cd633efb8c2b054b8e33c253cristyModuleExport void UnregisterICONImage(void) 7373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("CUR"); 7393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("ICO"); 7403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) UnregisterMagickInfo("ICON"); 7413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 7423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy/* 7443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% W r i t e I C O N I m a g e % 7493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% % 7523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 7533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% WriteICONImage() writes an image in Microsoft Windows bitmap encoded 7553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% image format, version 3 for Windows or (if the image has a matte channel) 7563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% version 4. 7573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% The format of the WriteICONImage method is: 7593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% MagickBooleanType WriteICONImage(const ImageInfo *image_info, 7611e178e70fb3c956f9fc1e30c3ba863e882666465cristy% Image *image,ExceptionInfo *exception) 7623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% A description of each parameter follows. 7643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image_info: the image info. 7663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% o image: The image. 7683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy% 7691e178e70fb3c956f9fc1e30c3ba863e882666465cristy% o exception: return any errors or warnings in this structure. 7701e178e70fb3c956f9fc1e30c3ba863e882666465cristy% 7713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy*/ 7723ed852eea50f9d4cd633efb8c2b054b8e33c253cristystatic MagickBooleanType WriteICONImage(const ImageInfo *image_info, 7731e178e70fb3c956f9fc1e30c3ba863e882666465cristy Image *image,ExceptionInfo *exception) 7743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy{ 7753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IconFile 7763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file; 7773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy IconInfo 7793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info; 7803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 7823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *next; 7833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickBooleanType 7853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status; 7863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy MagickOffsetType 7883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset, 7893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene; 7903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7914c08aed51c5899665ade97263692328eea4af106cristy register const Quantum 7923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *p; 7933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 794bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy register ssize_t 7953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy i, 7963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy x; 7973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 7983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy register unsigned char 7993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q; 8003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 801ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy size_t 802ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy bytes_per_line, 803ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy scanline_pad; 804ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy 805ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy ssize_t 806ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy y; 807ebc891a1d9621a19c509200d7bf3470ca18dde7fcristy 8083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit, 8103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte, 8113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *pixels; 8123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 8143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Open output image file. 8153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info != (const ImageInfo *) NULL); 8173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image_info->signature == MagickSignature); 8183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image != (Image *) NULL); 8193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy assert(image->signature == MagickSignature); 8203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image->filename); 8213a37efd7ece979e9c63dc8f2f2d3816bab8b1156cristy assert(exception != (ExceptionInfo *) NULL); 8223a37efd7ece979e9c63dc8f2f2d3816bab8b1156cristy assert(exception->signature == MagickSignature); 8231e178e70fb3c956f9fc1e30c3ba863e882666465cristy status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 8243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 8253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(status); 8263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 8273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=image; 8283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 8293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((image->columns > 256L) || (image->rows > 256L)) 8313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); 8323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene++; 8333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=SyncNextImageInList(next); 8343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); 8353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 8363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Dump out a ICON header template to be properly initialized later. 8373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,0); 8393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,1); 8403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,(unsigned char) scene); 8413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(&icon_file,0,sizeof(icon_file)); 8423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(&icon_info,0,sizeof(icon_info)); 8433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 8443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=image; 8453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 8463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].width); 8483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].height); 8493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].colors); 8503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].reserved); 8513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes); 8523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel); 8530b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy (void) WriteBlobLSBLong(image,(unsigned int) 8540b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_file.directory[scene].size); 8550b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy (void) WriteBlobLSBLong(image,(unsigned int) 8560b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_file.directory[scene].offset); 8573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene++; 8583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=SyncNextImageInList(next); 8593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); 8603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 8613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=image; 8623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 8633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8647b2ce92257c00648b4e30cccddaaca450a83930dcristy if (next->compression == ZipCompression) 8653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 8663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Image 8673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_image; 8683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ImageInfo 8703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *write_info; 8713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy size_t 8733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy length; 8743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 8763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *png; 8773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 8783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 8793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Icon image encoded as a compressed PNG image. 8803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 8811e178e70fb3c956f9fc1e30c3ba863e882666465cristy write_image=CloneImage(next,0,0,MagickTrue,exception); 8823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (write_image == (Image *) NULL) 8833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=CloneImageInfo(image_info); 8853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CopyMagickString(write_info->filename,"PNG:",MaxTextExtent); 8863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png=(unsigned char *) ImageToBlob(write_info,write_image,&length, 8871e178e70fb3c956f9fc1e30c3ba863e882666465cristy exception); 8883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_image=DestroyImage(write_image); 8893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy write_info=DestroyImageInfo(write_info); 8903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (png == (unsigned char *) NULL) 8913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickFalse); 8923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].width=0; 8933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].height=0; 8943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].colors=0; 8953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].reserved=0; 8963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].planes=1; 8973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].bits_per_pixel=32; 898bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_file.directory[scene].size=(size_t) length; 899bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_file.directory[scene].offset=(size_t) TellBlob(image); 9003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) length,png); 9013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy png=(unsigned char *) RelinquishMagickMemory(png); 9023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 9043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 9063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Initialize ICON raster file header. 9073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->colorspace != RGBColorspace) 909e941a75fe8bf344bc5c06a7f74bb5173c87db115cristy (void) TransformImageColorspace(next,RGBColorspace,exception); 9103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.file_size=14+12+28; 9113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.offset_bits=icon_info.file_size; 9123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.compression=BI_RGB; 9133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next->storage_class != DirectClass) && (next->colors > 256)) 9141e178e70fb3c956f9fc1e30c3ba863e882666465cristy (void) SetImageStorageClass(next,DirectClass,exception); 9153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->storage_class == DirectClass) 9163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 9183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Full color ICON raster. 9193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.number_colors=0; 9213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=32; 922bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_info.compression=(size_t) BI_RGB; 9233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 9253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 92635ef824baa82511126ff0072ae30eee0da9c05a3cristy size_t 92735ef824baa82511126ff0072ae30eee0da9c05a3cristy one; 92835ef824baa82511126ff0072ae30eee0da9c05a3cristy 9293ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 9303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Colormapped ICON raster. 9313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=8; 9333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->colors <= 256) 9343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=8; 9353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->colors <= 16) 9363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=4; 9373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->colors <= 2) 9383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=1; 93935ef824baa82511126ff0072ae30eee0da9c05a3cristy one=1; 94035ef824baa82511126ff0072ae30eee0da9c05a3cristy icon_info.number_colors=one << icon_info.bits_per_pixel; 9413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_info.number_colors < next->colors) 9423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9431e178e70fb3c956f9fc1e30c3ba863e882666465cristy (void) SetImageStorageClass(next,DirectClass,exception); 9443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.number_colors=0; 9453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel=(unsigned short) 24; 946bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_info.compression=(size_t) BI_RGB; 9473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 9493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9500b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy size_t 9510b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy one; 9520b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy 9530b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy one=1; 9540b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_info.file_size+=3*(one << icon_info.bits_per_pixel); 9550b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_info.offset_bits+=3*(one << icon_info.bits_per_pixel); 9560b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_info.file_size+=(one << icon_info.bits_per_pixel); 9570b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_info.offset_bits+=(one << icon_info.bits_per_pixel); 9583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bytes_per_line=(((next->columns*icon_info.bits_per_pixel)+31) & 9613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ~31) >> 3; 9623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.ba_offset=0; 963bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_info.width=(ssize_t) next->columns; 964bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_info.height=(ssize_t) next->rows; 9653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.planes=1; 9663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.image_size=bytes_per_line*next->rows; 9673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.size=40; 9683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.size+=(4*icon_info.number_colors); 9693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.size+=icon_info.image_size; 9703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.size+=(((icon_info.width+31) & ~31) >> 3)*icon_info.height; 9713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.file_size+=icon_info.image_size; 9723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.x_pixels=0; 9733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.y_pixels=0; 9743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy switch (next->units) 9753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case UndefinedResolution: 9773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case PixelsPerInchResolution: 9783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9792a11befa48257796843468409d77bb8cfb129cdccristy icon_info.x_pixels=(size_t) (100.0*next->resolution.x/2.54); 9802a11befa48257796843468409d77bb8cfb129cdccristy icon_info.y_pixels=(size_t) (100.0*next->resolution.y/2.54); 9813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 9823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case PixelsPerCentimeterResolution: 9843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 9852a11befa48257796843468409d77bb8cfb129cdccristy icon_info.x_pixels=(size_t) (100.0*next->resolution.x); 9862a11befa48257796843468409d77bb8cfb129cdccristy icon_info.y_pixels=(size_t) (100.0*next->resolution.y); 9873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 9883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 9903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.colors_important=icon_info.number_colors; 9913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 9923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert MIFF to ICON raster pixels. 9933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 9943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=(unsigned char *) AcquireQuantumMemory((size_t) 9953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.image_size,sizeof(*pixels)); 9963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (pixels == (unsigned char *) NULL) 9973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 9983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) ResetMagickMemory(pixels,0,(size_t) icon_info.image_size); 9993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy switch (icon_info.bits_per_pixel) 10003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 1: 10023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1003bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 10043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit, 10053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte; 10063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a ICON monochrome image. 10093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1010bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) next->rows; y++) 10113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10121e178e70fb3c956f9fc1e30c3ba863e882666465cristy p=GetVirtualPixels(next,0,y,next->columns,1,exception); 10134c08aed51c5899665ade97263692328eea4af106cristy if (p == (const Quantum *) NULL) 10143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=pixels+(next->rows-y-1)*bytes_per_line; 10163ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit=0; 10173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 1018bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) next->columns; x++) 10193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte<<=1; 10214c08aed51c5899665ade97263692328eea4af106cristy byte|=GetPixelIndex(next,p) != 0 ? 0x01 : 0x00; 10223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit++; 10233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (bit == 8) 10243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) byte; 10263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit=0; 10273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 10283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1029ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy p+=GetPixelChannels(image); 10304c08aed51c5899665ade97263692328eea4af106cristy } 10313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (bit != 0) 10323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) (byte << (8-bit)); 10333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->previous == (Image *) NULL) 10343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(next,SaveImageTag,y,next->rows); 10363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 10373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 4: 10433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 1044bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy size_t 10453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibble, 10463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte; 10473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 10483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass image to a ICON monochrome image. 10503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1051bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) next->rows; y++) 10523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10531e178e70fb3c956f9fc1e30c3ba863e882666465cristy p=GetVirtualPixels(next,0,y,next->columns,1,exception); 10544c08aed51c5899665ade97263692328eea4af106cristy if (p == (const Quantum *) NULL) 10553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10563ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=pixels+(next->rows-y-1)*bytes_per_line; 10573ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibble=0; 10583ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 1059bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) next->columns; x++) 10603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte<<=4; 10624c08aed51c5899665ade97263692328eea4af106cristy byte|=((size_t) GetPixelIndex(next,p) & 0x0f); 10633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibble++; 10643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (nibble == 2) 10653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10663ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) byte; 10673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy nibble=0; 10683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 10693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1070ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy p+=GetPixelChannels(image); 10714c08aed51c5899665ade97263692328eea4af106cristy } 10723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (nibble != 0) 10733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) (byte << 4); 10743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->previous == (Image *) NULL) 10753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(next,SaveImageTag,y,next->rows); 10773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 10783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10803ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 10833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 8: 10843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 10863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert PseudoClass packet to ICON pixel. 10873ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1088bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) next->rows; y++) 10893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 10901e178e70fb3c956f9fc1e30c3ba863e882666465cristy p=GetVirtualPixels(next,0,y,next->columns,1,exception); 10914c08aed51c5899665ade97263692328eea4af106cristy if (p == (const Quantum *) NULL) 10923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 10933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=pixels+(next->rows-y-1)*bytes_per_line; 1094bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) next->columns; x++) 10954c08aed51c5899665ade97263692328eea4af106cristy { 10964c08aed51c5899665ade97263692328eea4af106cristy *q++=(unsigned char) GetPixelIndex(next,p); 1097ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy p+=GetPixelChannels(image); 10984c08aed51c5899665ade97263692328eea4af106cristy } 10993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->previous == (Image *) NULL) 11003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(next,SaveImageTag,y,next->rows); 11023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 11033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 11043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11053ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 11073ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11083ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 24: 11093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy case 32: 11103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11123ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Convert DirectClass packet to ICON BGR888 or BGRA8888 pixel. 11133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 1114bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=0; y < (ssize_t) next->rows; y++) 11153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11161e178e70fb3c956f9fc1e30c3ba863e882666465cristy p=GetVirtualPixels(next,0,y,next->columns,1,exception); 11174c08aed51c5899665ade97263692328eea4af106cristy if (p == (const Quantum *) NULL) 11183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 11193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=pixels+(next->rows-y-1)*bytes_per_line; 1120bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) next->columns; x++) 11213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11224c08aed51c5899665ade97263692328eea4af106cristy *q++=ScaleQuantumToChar(GetPixelBlue(next,p)); 11234c08aed51c5899665ade97263692328eea4af106cristy *q++=ScaleQuantumToChar(GetPixelGreen(next,p)); 11244c08aed51c5899665ade97263692328eea4af106cristy *q++=ScaleQuantumToChar(GetPixelRed(next,p)); 11253ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->matte == MagickFalse) 11263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=ScaleQuantumToChar(QuantumRange); 11273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy else 11284c08aed51c5899665ade97263692328eea4af106cristy *q++=ScaleQuantumToChar(GetPixelAlpha(next,p)); 1129ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy p+=GetPixelChannels(next); 11303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_info.bits_per_pixel == 24) 1132bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=3L*(ssize_t) next->columns; x < (ssize_t) bytes_per_line; x++) 11333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=0x00; 11343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->previous == (Image *) NULL) 11353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(next,SaveImageTag,y,next->rows); 11373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 11383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 11393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 11423ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write 40-byte version 3+ bitmap header. 11463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].width=(unsigned char) icon_info.width; 11483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].height=(unsigned char) icon_info.height; 11493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].colors=(unsigned char) 11503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.number_colors; 11513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].reserved=0; 11523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].planes=icon_info.planes; 11533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].bits_per_pixel=icon_info.bits_per_pixel; 11543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_file.directory[scene].size=icon_info.size; 1155bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy icon_file.directory[scene].offset=(size_t) TellBlob(image); 115635ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) 40); 115735ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.width); 115835ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.height*2); 11593ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_info.planes); 11603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_info.bits_per_pixel); 116135ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.compression); 116235ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.image_size); 116335ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.x_pixels); 116435ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.y_pixels); 116535ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.number_colors); 116635ef824baa82511126ff0072ae30eee0da9c05a3cristy (void) WriteBlobLSBLong(image,(unsigned int) icon_info.colors_important); 11673ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (next->storage_class == PseudoClass) 11683ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11693ed852eea50f9d4cd633efb8c2b054b8e33c253cristy unsigned char 11703ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *icon_colormap; 11713ed852eea50f9d4cd633efb8c2b054b8e33c253cristy 11723ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 11733ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Dump colormap to file. 11743ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 11753ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t) 11763ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (1UL << icon_info.bits_per_pixel),4UL*sizeof(*icon_colormap)); 11773ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (icon_colormap == (unsigned char *) NULL) 11783ed852eea50f9d4cd633efb8c2b054b8e33c253cristy ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 11793ed852eea50f9d4cd633efb8c2b054b8e33c253cristy q=icon_colormap; 1180bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) next->colors; i++) 11813ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11823ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=ScaleQuantumToChar(next->colormap[i].blue); 11833ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=ScaleQuantumToChar(next->colormap[i].green); 11843ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=ScaleQuantumToChar(next->colormap[i].red); 11853ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) 0x0; 11863ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1187bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for ( ; i < (ssize_t) (1UL << icon_info.bits_per_pixel); i++) 11883ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 11893ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) 0x00; 11903ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) 0x00; 11913ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) 0x00; 11923ed852eea50f9d4cd633efb8c2b054b8e33c253cristy *q++=(unsigned char) 0x00; 11933ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11943ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) (4UL*(1UL << 11953ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_info.bits_per_pixel)),icon_colormap); 11963ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_colormap=(unsigned char *) RelinquishMagickMemory( 11973ed852eea50f9d4cd633efb8c2b054b8e33c253cristy icon_colormap); 11983ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 11993ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlob(image,(size_t) icon_info.image_size,pixels); 12003ed852eea50f9d4cd633efb8c2b054b8e33c253cristy pixels=(unsigned char *) RelinquishMagickMemory(pixels); 12013ed852eea50f9d4cd633efb8c2b054b8e33c253cristy /* 12023ed852eea50f9d4cd633efb8c2b054b8e33c253cristy Write matte mask. 12033ed852eea50f9d4cd633efb8c2b054b8e33c253cristy */ 12043ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scanline_pad=(((next->columns+31) & ~31)-next->columns) >> 3; 1205bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (y=((ssize_t) next->rows - 1); y >= 0; y--) 12063ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12071e178e70fb3c956f9fc1e30c3ba863e882666465cristy p=GetVirtualPixels(next,0,y,next->columns,1,exception); 12084c08aed51c5899665ade97263692328eea4af106cristy if (p == (const Quantum *) NULL) 12093ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 12103ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit=0; 12113ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 1212bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (x=0; x < (ssize_t) next->columns; x++) 12133ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12143ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte<<=1; 12153ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if ((next->matte == MagickTrue) && 12164c08aed51c5899665ade97263692328eea4af106cristy (GetPixelAlpha(next,p) == (Quantum) TransparentAlpha)) 12173ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte|=0x01; 12183ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit++; 12193ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (bit == 8) 12203ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12213ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,(unsigned char) byte); 12223ed852eea50f9d4cd633efb8c2b054b8e33c253cristy bit=0; 12233ed852eea50f9d4cd633efb8c2b054b8e33c253cristy byte=0; 12243ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 1225ed2315769b26818ed9d0c1291dc0457f0d8da0a4cristy p+=GetPixelChannels(next); 12263ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12273ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (bit != 0) 12283ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,(unsigned char) (byte << (8-bit))); 1229bb50337b2a8a16ca7e903cc04ab195ff0fd47ae6cristy for (i=0; i < (ssize_t) scanline_pad; i++) 12303ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,(unsigned char) 0); 12313ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12323ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } 12333ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (GetNextImageInList(next) == (Image *) NULL) 12343ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 12353ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=SyncNextImageInList(next); 12363ed852eea50f9d4cd633efb8c2b054b8e33c253cristy status=SetImageProgress(next,SaveImagesTag,scene++, 12373ed852eea50f9d4cd633efb8c2b054b8e33c253cristy GetImageListLength(next)); 12383ed852eea50f9d4cd633efb8c2b054b8e33c253cristy if (status == MagickFalse) 12393ed852eea50f9d4cd633efb8c2b054b8e33c253cristy break; 12403ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); 12413ed852eea50f9d4cd633efb8c2b054b8e33c253cristy offset=SeekBlob(image,0,SEEK_SET); 1242da16f16767eb31921af855f17bda465fffc4e000cristy (void) offset; 12433ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,0); 12443ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,1); 12453ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,(unsigned short) (scene+1)); 12463ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene=0; 12473ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=image; 12483ed852eea50f9d4cd633efb8c2b054b8e33c253cristy do 12493ed852eea50f9d4cd633efb8c2b054b8e33c253cristy { 12503ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].width); 12513ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].height); 12523ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].colors); 12533ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobByte(image,icon_file.directory[scene].reserved); 12543ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes); 12553ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel); 12560b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy (void) WriteBlobLSBLong(image,(unsigned int) 12570b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_file.directory[scene].size); 12580b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy (void) WriteBlobLSBLong(image,(unsigned int) 12590b29b25525c4612c77b1b3c8abcc40685d0aa33fcristy icon_file.directory[scene].offset); 12603ed852eea50f9d4cd633efb8c2b054b8e33c253cristy scene++; 12613ed852eea50f9d4cd633efb8c2b054b8e33c253cristy next=SyncNextImageInList(next); 12623ed852eea50f9d4cd633efb8c2b054b8e33c253cristy } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); 12633ed852eea50f9d4cd633efb8c2b054b8e33c253cristy (void) CloseBlob(image); 12643ed852eea50f9d4cd633efb8c2b054b8e33c253cristy return(MagickTrue); 12653ed852eea50f9d4cd633efb8c2b054b8e33c253cristy} 1266