cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % IIIII CCCC OOO N N % |
| 7 | % I C O O NN N % |
| 8 | % I C O O N N N % |
| 9 | % I C O O N NN % |
| 10 | % IIIII CCCC OOO N N % |
| 11 | % % |
| 12 | % % |
| 13 | % Read Microsoft Windows Icon Format % |
| 14 | % % |
| 15 | % Software Design % |
cristy | de984cd | 2013-12-01 14:49:27 +0000 | [diff] [blame] | 16 | % Cristy % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
cristy | fe676ee | 2013-11-18 13:03:38 +0000 | [diff] [blame] | 20 | % Copyright 1999-2014 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 42 | #include "MagickCore/studio.h" |
glennrp | aa192b1 | 2012-01-17 21:35:21 +0000 | [diff] [blame] | 43 | #include "MagickCore/artifact.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 44 | #include "MagickCore/blob.h" |
| 45 | #include "MagickCore/blob-private.h" |
| 46 | #include "MagickCore/cache.h" |
| 47 | #include "MagickCore/colormap.h" |
| 48 | #include "MagickCore/colorspace.h" |
cristy | 3d9f5ba | 2012-06-26 13:37:31 +0000 | [diff] [blame] | 49 | #include "MagickCore/colorspace-private.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 50 | #include "MagickCore/exception.h" |
| 51 | #include "MagickCore/exception-private.h" |
| 52 | #include "MagickCore/image.h" |
| 53 | #include "MagickCore/image-private.h" |
| 54 | #include "MagickCore/list.h" |
| 55 | #include "MagickCore/log.h" |
| 56 | #include "MagickCore/magick.h" |
| 57 | #include "MagickCore/memory_.h" |
| 58 | #include "MagickCore/monitor.h" |
| 59 | #include "MagickCore/monitor-private.h" |
cristy | 2c5fc27 | 2012-02-22 01:27:46 +0000 | [diff] [blame] | 60 | #include "MagickCore/nt-base-private.h" |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 61 | #include "MagickCore/option.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 62 | #include "MagickCore/pixel-accessor.h" |
| 63 | #include "MagickCore/quantize.h" |
| 64 | #include "MagickCore/quantum-private.h" |
| 65 | #include "MagickCore/static.h" |
| 66 | #include "MagickCore/string_.h" |
| 67 | #include "MagickCore/module.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 68 | |
| 69 | /* |
| 70 | Define declarations. |
| 71 | */ |
cristy | 07a3cca | 2012-12-10 13:09:10 +0000 | [diff] [blame] | 72 | #if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__) || defined(__MINGW64__) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 73 | #define BI_RGB 0 |
| 74 | #define BI_RLE8 1 |
| 75 | #define BI_BITFIELDS 3 |
| 76 | #endif |
| 77 | #define MaxIcons 1024 |
| 78 | |
| 79 | /* |
| 80 | Typedef declarations. |
| 81 | */ |
| 82 | typedef struct _IconEntry |
| 83 | { |
| 84 | unsigned char |
| 85 | width, |
| 86 | height, |
| 87 | colors, |
| 88 | reserved; |
| 89 | |
| 90 | unsigned short int |
| 91 | planes, |
| 92 | bits_per_pixel; |
| 93 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 94 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 95 | size, |
| 96 | offset; |
| 97 | } IconEntry; |
| 98 | |
| 99 | typedef struct _IconFile |
| 100 | { |
| 101 | short |
| 102 | reserved, |
| 103 | resource_type, |
| 104 | count; |
| 105 | |
| 106 | IconEntry |
| 107 | directory[MaxIcons]; |
| 108 | } IconFile; |
| 109 | |
| 110 | typedef struct _IconInfo |
| 111 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 112 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 113 | file_size, |
| 114 | ba_offset, |
| 115 | offset_bits, |
| 116 | size; |
| 117 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 118 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 119 | width, |
| 120 | height; |
| 121 | |
| 122 | unsigned short |
| 123 | planes, |
| 124 | bits_per_pixel; |
| 125 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 126 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 127 | compression, |
| 128 | image_size, |
| 129 | x_pixels, |
| 130 | y_pixels, |
| 131 | number_colors, |
| 132 | red_mask, |
| 133 | green_mask, |
| 134 | blue_mask, |
| 135 | alpha_mask, |
| 136 | colors_important; |
| 137 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 138 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 139 | colorspace; |
| 140 | } IconInfo; |
| 141 | |
| 142 | /* |
| 143 | Forward declaractions. |
| 144 | */ |
| 145 | static MagickBooleanType |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 146 | WriteICONImage(const ImageInfo *,Image *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 147 | |
| 148 | /* |
| 149 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 150 | % % |
| 151 | % % |
| 152 | % % |
| 153 | % R e a d I C O N I m a g e % |
| 154 | % % |
| 155 | % % |
| 156 | % % |
| 157 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 158 | % |
| 159 | % ReadICONImage() reads a Microsoft icon image file and returns it. It |
| 160 | % allocates the memory necessary for the new Image structure and returns a |
| 161 | % pointer to the new image. |
| 162 | % |
| 163 | % The format of the ReadICONImage method is: |
| 164 | % |
| 165 | % Image *ReadICONImage(const ImageInfo *image_info, |
| 166 | % ExceptionInfo *exception) |
| 167 | % |
| 168 | % A description of each parameter follows: |
| 169 | % |
| 170 | % o image_info: the image info. |
| 171 | % |
| 172 | % o exception: return any errors or warnings in this structure. |
| 173 | % |
| 174 | */ |
| 175 | static Image *ReadICONImage(const ImageInfo *image_info, |
| 176 | ExceptionInfo *exception) |
| 177 | { |
| 178 | IconFile |
| 179 | icon_file; |
| 180 | |
| 181 | IconInfo |
| 182 | icon_info; |
| 183 | |
| 184 | Image |
| 185 | *image; |
| 186 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 187 | MagickBooleanType |
| 188 | status; |
| 189 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 190 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 191 | i, |
| 192 | x; |
| 193 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 194 | register Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 195 | *q; |
| 196 | |
| 197 | register unsigned char |
| 198 | *p; |
| 199 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 200 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 201 | bit, |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 202 | byte, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 203 | bytes_per_line, |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 204 | one, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 205 | scanline_pad; |
| 206 | |
cristy | ebc891a | 2011-04-24 23:04:16 +0000 | [diff] [blame] | 207 | ssize_t |
| 208 | count, |
| 209 | offset, |
| 210 | y; |
| 211 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 212 | /* |
| 213 | Open image file. |
| 214 | */ |
| 215 | assert(image_info != (const ImageInfo *) NULL); |
| 216 | assert(image_info->signature == MagickSignature); |
| 217 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image_info->filename); |
| 218 | assert(exception != (ExceptionInfo *) NULL); |
| 219 | assert(exception->signature == MagickSignature); |
cristy | 1f1de18 | 2011-10-05 18:41:34 +0000 | [diff] [blame] | 220 | image=AcquireImage(image_info,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 221 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 222 | if (status == MagickFalse) |
| 223 | { |
| 224 | image=DestroyImageList(image); |
| 225 | return((Image *) NULL); |
| 226 | } |
| 227 | icon_file.reserved=(short) ReadBlobLSBShort(image); |
| 228 | icon_file.resource_type=(short) ReadBlobLSBShort(image); |
| 229 | icon_file.count=(short) ReadBlobLSBShort(image); |
| 230 | if ((icon_file.reserved != 0) || |
| 231 | ((icon_file.resource_type != 1) && (icon_file.resource_type != 2)) || |
| 232 | (icon_file.count > MaxIcons)) |
| 233 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 234 | for (i=0; i < icon_file.count; i++) |
| 235 | { |
| 236 | icon_file.directory[i].width=(unsigned char) ReadBlobByte(image); |
| 237 | icon_file.directory[i].height=(unsigned char) ReadBlobByte(image); |
| 238 | icon_file.directory[i].colors=(unsigned char) ReadBlobByte(image); |
| 239 | icon_file.directory[i].reserved=(unsigned char) ReadBlobByte(image); |
| 240 | icon_file.directory[i].planes=(unsigned short) ReadBlobLSBShort(image); |
| 241 | icon_file.directory[i].bits_per_pixel=(unsigned short) |
| 242 | ReadBlobLSBShort(image); |
| 243 | icon_file.directory[i].size=ReadBlobLSBLong(image); |
| 244 | icon_file.directory[i].offset=ReadBlobLSBLong(image); |
| 245 | } |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 246 | one=1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 247 | for (i=0; i < icon_file.count; i++) |
| 248 | { |
| 249 | /* |
| 250 | Verify Icon identifier. |
| 251 | */ |
| 252 | offset=(ssize_t) SeekBlob(image,(MagickOffsetType) |
| 253 | icon_file.directory[i].offset,SEEK_SET); |
| 254 | if (offset < 0) |
| 255 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 256 | icon_info.size=ReadBlobLSBLong(image); |
cristy | d63c050 | 2011-01-03 15:45:11 +0000 | [diff] [blame] | 257 | icon_info.width=(unsigned char) ((int) ReadBlobLSBLong(image)); |
| 258 | icon_info.height=(unsigned char) ((int) ReadBlobLSBLong(image)/2); |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 259 | icon_info.planes=ReadBlobLSBShort(image); |
| 260 | icon_info.bits_per_pixel=ReadBlobLSBShort(image); |
| 261 | if ((icon_info.planes == 18505) && (icon_info.bits_per_pixel == 21060)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 262 | { |
| 263 | Image |
| 264 | *icon_image; |
| 265 | |
| 266 | ImageInfo |
| 267 | *read_info; |
| 268 | |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 269 | size_t |
| 270 | length; |
| 271 | |
| 272 | unsigned char |
| 273 | *png; |
| 274 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 275 | /* |
| 276 | Icon image encoded as a compressed PNG image. |
| 277 | */ |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 278 | length=icon_file.directory[i].size; |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 279 | png=(unsigned char *) AcquireQuantumMemory(length+16,sizeof(*png)); |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 280 | if (png == (unsigned char *) NULL) |
| 281 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 282 | (void) CopyMagickMemory(png,"\211PNG\r\n\032\n\000\000\000\015",12); |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 283 | png[12]=(unsigned char) icon_info.planes; |
| 284 | png[13]=(unsigned char) (icon_info.planes >> 8); |
| 285 | png[14]=(unsigned char) icon_info.bits_per_pixel; |
| 286 | png[15]=(unsigned char) (icon_info.bits_per_pixel >> 8); |
| 287 | count=ReadBlob(image,length-16,png+16); |
| 288 | if (count != (ssize_t) (length-16)) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 289 | { |
| 290 | png=(unsigned char *) RelinquishMagickMemory(png); |
| 291 | ThrowReaderException(CorruptImageError, |
| 292 | "InsufficientImageDataInFile"); |
| 293 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 294 | read_info=CloneImageInfo(image_info); |
| 295 | (void) CopyMagickString(read_info->magick,"PNG",MaxTextExtent); |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 296 | icon_image=BlobToImage(read_info,png,length+16,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 297 | read_info=DestroyImageInfo(read_info); |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 298 | png=(unsigned char *) RelinquishMagickMemory(png); |
cristy | 47de5a9 | 2011-10-05 01:47:42 +0000 | [diff] [blame] | 299 | if (icon_image == (Image *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 300 | { |
cristy | 47de5a9 | 2011-10-05 01:47:42 +0000 | [diff] [blame] | 301 | image=DestroyImageList(image); |
| 302 | return((Image *) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 303 | } |
cristy | 47de5a9 | 2011-10-05 01:47:42 +0000 | [diff] [blame] | 304 | DestroyBlob(icon_image); |
| 305 | icon_image->blob=ReferenceBlob(image->blob); |
| 306 | ReplaceImageInList(&image,icon_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 307 | } |
| 308 | else |
| 309 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 310 | if (icon_info.bits_per_pixel > 32) |
| 311 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 312 | icon_info.compression=ReadBlobLSBLong(image); |
| 313 | icon_info.image_size=ReadBlobLSBLong(image); |
| 314 | icon_info.x_pixels=ReadBlobLSBLong(image); |
| 315 | icon_info.y_pixels=ReadBlobLSBLong(image); |
| 316 | icon_info.number_colors=ReadBlobLSBLong(image); |
| 317 | icon_info.colors_important=ReadBlobLSBLong(image); |
cristy | 8a46d82 | 2012-08-28 23:32:39 +0000 | [diff] [blame] | 318 | image->alpha_trait=BlendPixelTrait; |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 319 | image->columns=(size_t) icon_file.directory[i].width; |
| 320 | if ((ssize_t) image->columns > icon_info.width) |
| 321 | image->columns=(size_t) icon_info.width; |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 322 | if (image->columns == 0) |
| 323 | image->columns=256; |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 324 | image->rows=(size_t) icon_file.directory[i].height; |
| 325 | if ((ssize_t) image->rows > icon_info.height) |
| 326 | image->rows=(size_t) icon_info.height; |
cristy | 4e09e03 | 2011-10-05 19:42:10 +0000 | [diff] [blame] | 327 | if (image->rows == 0) |
| 328 | image->rows=256; |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 329 | image->depth=icon_info.bits_per_pixel; |
| 330 | if (image->debug != MagickFalse) |
| 331 | { |
| 332 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 333 | " scene = %.20g",(double) i); |
| 334 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 335 | " size = %.20g",(double) icon_info.size); |
| 336 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 337 | " width = %.20g",(double) icon_file.directory[i].width); |
| 338 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 339 | " height = %.20g",(double) icon_file.directory[i].height); |
| 340 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 341 | " colors = %.20g",(double ) icon_info.number_colors); |
| 342 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 343 | " planes = %.20g",(double) icon_info.planes); |
| 344 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 345 | " bpp = %.20g",(double) icon_info.bits_per_pixel); |
| 346 | } |
| 347 | if ((icon_info.number_colors != 0) || (icon_info.bits_per_pixel <= 16)) |
| 348 | { |
| 349 | image->storage_class=PseudoClass; |
| 350 | image->colors=icon_info.number_colors; |
| 351 | if (image->colors == 0) |
| 352 | image->colors=one << icon_info.bits_per_pixel; |
| 353 | } |
| 354 | if (image->storage_class == PseudoClass) |
| 355 | { |
| 356 | register ssize_t |
| 357 | i; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 358 | |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 359 | size_t |
| 360 | number_colors, |
| 361 | one; |
| 362 | |
| 363 | unsigned char |
| 364 | *icon_colormap; |
| 365 | |
| 366 | /* |
| 367 | Read Icon raster colormap. |
| 368 | */ |
| 369 | one=1; |
| 370 | number_colors=one << icon_info.bits_per_pixel; |
| 371 | if (AcquireImageColormap(image,number_colors,exception) == MagickFalse) |
| 372 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 373 | icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t) |
| 374 | image->colors,4UL*sizeof(*icon_colormap)); |
| 375 | if (icon_colormap == (unsigned char *) NULL) |
| 376 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 377 | count=ReadBlob(image,(size_t) (4*image->colors),icon_colormap); |
| 378 | if (count != (ssize_t) (4*image->colors)) |
| 379 | ThrowReaderException(CorruptImageError, |
| 380 | "InsufficientImageDataInFile"); |
| 381 | p=icon_colormap; |
| 382 | for (i=0; i < (ssize_t) image->colors; i++) |
| 383 | { |
| 384 | image->colormap[i].blue=(Quantum) ScaleCharToQuantum(*p++); |
| 385 | image->colormap[i].green=(Quantum) ScaleCharToQuantum(*p++); |
| 386 | image->colormap[i].red=(Quantum) ScaleCharToQuantum(*p++); |
| 387 | p++; |
| 388 | } |
| 389 | icon_colormap=(unsigned char *) RelinquishMagickMemory(icon_colormap); |
| 390 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 391 | /* |
| 392 | Convert Icon raster image to pixel packets. |
| 393 | */ |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 394 | if ((image_info->ping != MagickFalse) && |
| 395 | (image_info->number_scenes != 0)) |
| 396 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 397 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 398 | bytes_per_line=(((image->columns*icon_info.bits_per_pixel)+31) & |
| 399 | ~31) >> 3; |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 400 | (void) bytes_per_line; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 401 | scanline_pad=((((image->columns*icon_info.bits_per_pixel)+31) & ~31)- |
| 402 | (image->columns*icon_info.bits_per_pixel)) >> 3; |
| 403 | switch (icon_info.bits_per_pixel) |
| 404 | { |
| 405 | case 1: |
| 406 | { |
| 407 | /* |
| 408 | Convert bitmap scanline. |
| 409 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 410 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 411 | { |
| 412 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 413 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 414 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 415 | for (x=0; x < (ssize_t) (image->columns-7); x+=8) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 416 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 417 | byte=(size_t) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | for (bit=0; bit < 8; bit++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 419 | { |
| 420 | SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 : |
| 421 | 0x00),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 422 | q+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 423 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 424 | } |
| 425 | if ((image->columns % 8) != 0) |
| 426 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 427 | byte=(size_t) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 428 | for (bit=0; bit < (image->columns % 8); bit++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 429 | { |
| 430 | SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 : |
| 431 | 0x00),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 432 | q+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 433 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 434 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 435 | for (x=0; x < (ssize_t) scanline_pad; x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 436 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 437 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 438 | break; |
| 439 | if (image->previous == (Image *) NULL) |
| 440 | { |
| 441 | status=SetImageProgress(image,LoadImageTag,image->rows-y-1, |
| 442 | image->rows); |
| 443 | if (status == MagickFalse) |
| 444 | break; |
| 445 | } |
| 446 | } |
| 447 | break; |
| 448 | } |
| 449 | case 4: |
| 450 | { |
| 451 | /* |
| 452 | Read 4-bit Icon scanline. |
| 453 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 454 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 455 | { |
| 456 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 457 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 458 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 459 | for (x=0; x < ((ssize_t) image->columns-1); x+=2) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 460 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 461 | byte=(size_t) ReadBlobByte(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 462 | SetPixelIndex(image,((byte >> 4) & 0xf),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 463 | q+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 464 | SetPixelIndex(image,((byte) & 0xf),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 465 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 466 | } |
| 467 | if ((image->columns % 2) != 0) |
| 468 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 469 | byte=(size_t) ReadBlobByte(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 470 | SetPixelIndex(image,((byte >> 4) & 0xf),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 471 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 472 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 473 | for (x=0; x < (ssize_t) scanline_pad; x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 474 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 475 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 476 | break; |
| 477 | if (image->previous == (Image *) NULL) |
| 478 | { |
| 479 | status=SetImageProgress(image,LoadImageTag,image->rows-y-1, |
| 480 | image->rows); |
| 481 | if (status == MagickFalse) |
| 482 | break; |
| 483 | } |
| 484 | } |
| 485 | break; |
| 486 | } |
| 487 | case 8: |
| 488 | { |
| 489 | /* |
| 490 | Convert PseudoColor scanline. |
| 491 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 492 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 493 | { |
| 494 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 495 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 496 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 497 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 498 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 499 | byte=(size_t) ReadBlobByte(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 500 | SetPixelIndex(image,byte,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 501 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 502 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 503 | for (x=0; x < (ssize_t) scanline_pad; x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 504 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 505 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 506 | break; |
| 507 | if (image->previous == (Image *) NULL) |
| 508 | { |
| 509 | status=SetImageProgress(image,LoadImageTag,image->rows-y-1, |
| 510 | image->rows); |
| 511 | if (status == MagickFalse) |
| 512 | break; |
| 513 | } |
| 514 | } |
| 515 | break; |
| 516 | } |
| 517 | case 16: |
| 518 | { |
| 519 | /* |
| 520 | Convert PseudoColor scanline. |
| 521 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 522 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 523 | { |
| 524 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 525 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 526 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 527 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 528 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 529 | byte=(size_t) ReadBlobByte(image); |
| 530 | byte|=(size_t) (ReadBlobByte(image) << 8); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 531 | SetPixelIndex(image,byte,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 532 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 533 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 534 | for (x=0; x < (ssize_t) scanline_pad; x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 535 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 536 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 537 | break; |
| 538 | if (image->previous == (Image *) NULL) |
| 539 | { |
| 540 | status=SetImageProgress(image,LoadImageTag,image->rows-y-1, |
| 541 | image->rows); |
| 542 | if (status == MagickFalse) |
| 543 | break; |
| 544 | } |
| 545 | } |
| 546 | break; |
| 547 | } |
| 548 | case 24: |
| 549 | case 32: |
| 550 | { |
| 551 | /* |
| 552 | Convert DirectColor scanline. |
| 553 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 554 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 555 | { |
| 556 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 557 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 558 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 559 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 560 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 561 | SetPixelBlue(image,ScaleCharToQuantum((unsigned char) |
| 562 | ReadBlobByte(image)),q); |
| 563 | SetPixelGreen(image,ScaleCharToQuantum((unsigned char) |
| 564 | ReadBlobByte(image)),q); |
| 565 | SetPixelRed(image,ScaleCharToQuantum((unsigned char) |
| 566 | ReadBlobByte(image)),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 567 | if (icon_info.bits_per_pixel == 32) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 568 | SetPixelAlpha(image,ScaleCharToQuantum((unsigned char) |
| 569 | ReadBlobByte(image)),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 570 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 571 | } |
| 572 | if (icon_info.bits_per_pixel == 24) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 573 | for (x=0; x < (ssize_t) scanline_pad; x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 574 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 575 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 576 | break; |
| 577 | if (image->previous == (Image *) NULL) |
| 578 | { |
| 579 | status=SetImageProgress(image,LoadImageTag,image->rows-y-1, |
| 580 | image->rows); |
| 581 | if (status == MagickFalse) |
| 582 | break; |
| 583 | } |
| 584 | } |
| 585 | break; |
| 586 | } |
| 587 | default: |
| 588 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 589 | } |
cristy | 5dd7188 | 2010-08-01 20:53:13 +0000 | [diff] [blame] | 590 | if (image_info->ping == MagickFalse) |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 591 | (void) SyncImage(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 592 | if (icon_info.bits_per_pixel != 32) |
| 593 | { |
| 594 | /* |
| 595 | Read the ICON alpha mask. |
| 596 | */ |
| 597 | image->storage_class=DirectClass; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 598 | for (y=(ssize_t) image->rows-1; y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 599 | { |
| 600 | q=GetAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 601 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 602 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 603 | for (x=0; x < ((ssize_t) image->columns-7); x+=8) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 604 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 605 | byte=(size_t) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 606 | for (bit=0; bit < 8; bit++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 607 | { |
| 608 | SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ? |
| 609 | TransparentAlpha : OpaqueAlpha),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 610 | q+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 611 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 612 | } |
| 613 | if ((image->columns % 8) != 0) |
| 614 | { |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 615 | byte=(size_t) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 616 | for (bit=0; bit < (image->columns % 8); bit++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 617 | { |
| 618 | SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ? |
| 619 | TransparentAlpha : OpaqueAlpha),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 620 | q+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 621 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 622 | } |
cristy | 0e8200f | 2009-09-13 21:10:06 +0000 | [diff] [blame] | 623 | if ((image->columns % 32) != 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 624 | for (x=0; x < (ssize_t) ((32-(image->columns % 32))/8); x++) |
cristy | f054ee7 | 2011-10-05 17:04:08 +0000 | [diff] [blame] | 625 | (void) ReadBlobByte(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 626 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 627 | break; |
| 628 | } |
| 629 | } |
| 630 | if (EOFBlob(image) != MagickFalse) |
| 631 | { |
| 632 | ThrowFileException(exception,CorruptImageError, |
| 633 | "UnexpectedEndOfFile",image->filename); |
| 634 | break; |
| 635 | } |
| 636 | } |
| 637 | /* |
| 638 | Proceed to next image. |
| 639 | */ |
| 640 | if (image_info->number_scenes != 0) |
| 641 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 642 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 643 | if (i < (ssize_t) (icon_file.count-1)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 644 | { |
| 645 | /* |
| 646 | Allocate next image structure. |
| 647 | */ |
cristy | 1f1de18 | 2011-10-05 18:41:34 +0000 | [diff] [blame] | 648 | AcquireNextImage(image_info,image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 649 | if (GetNextImageInList(image) == (Image *) NULL) |
| 650 | { |
| 651 | image=DestroyImageList(image); |
| 652 | return((Image *) NULL); |
| 653 | } |
| 654 | image=SyncNextImageInList(image); |
| 655 | status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
| 656 | GetBlobSize(image)); |
| 657 | if (status == MagickFalse) |
| 658 | break; |
| 659 | } |
| 660 | } |
| 661 | (void) CloseBlob(image); |
| 662 | return(GetFirstImageInList(image)); |
| 663 | } |
| 664 | |
| 665 | /* |
| 666 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 667 | % % |
| 668 | % % |
| 669 | % % |
| 670 | % R e g i s t e r I C O N I m a g e % |
| 671 | % % |
| 672 | % % |
| 673 | % % |
| 674 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 675 | % |
| 676 | % RegisterICONImage() adds attributes for the Icon image format to |
| 677 | % the list of supported formats. The attributes include the image format |
| 678 | % tag, a method to read and/or write the format, whether the format |
| 679 | % supports the saving of more than one frame to the same file or blob, |
| 680 | % whether the format supports native in-memory I/O, and a brief |
| 681 | % description of the format. |
| 682 | % |
| 683 | % The format of the RegisterICONImage method is: |
| 684 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 685 | % size_t RegisterICONImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 686 | % |
| 687 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 688 | ModuleExport size_t RegisterICONImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 689 | { |
| 690 | MagickInfo |
| 691 | *entry; |
| 692 | |
| 693 | entry=SetMagickInfo("CUR"); |
| 694 | entry->decoder=(DecodeImageHandler *) ReadICONImage; |
| 695 | entry->encoder=(EncodeImageHandler *) WriteICONImage; |
| 696 | entry->adjoin=MagickFalse; |
| 697 | entry->seekable_stream=MagickTrue; |
| 698 | entry->description=ConstantString("Microsoft icon"); |
| 699 | entry->module=ConstantString("CUR"); |
| 700 | (void) RegisterMagickInfo(entry); |
| 701 | entry=SetMagickInfo("ICO"); |
| 702 | entry->decoder=(DecodeImageHandler *) ReadICONImage; |
| 703 | entry->encoder=(EncodeImageHandler *) WriteICONImage; |
| 704 | entry->adjoin=MagickTrue; |
| 705 | entry->seekable_stream=MagickTrue; |
| 706 | entry->description=ConstantString("Microsoft icon"); |
| 707 | entry->module=ConstantString("ICON"); |
| 708 | (void) RegisterMagickInfo(entry); |
| 709 | entry=SetMagickInfo("ICON"); |
| 710 | entry->decoder=(DecodeImageHandler *) ReadICONImage; |
| 711 | entry->encoder=(EncodeImageHandler *) WriteICONImage; |
| 712 | entry->adjoin=MagickFalse; |
| 713 | entry->seekable_stream=MagickTrue; |
| 714 | entry->description=ConstantString("Microsoft icon"); |
| 715 | entry->module=ConstantString("ICON"); |
| 716 | (void) RegisterMagickInfo(entry); |
| 717 | return(MagickImageCoderSignature); |
| 718 | } |
| 719 | |
| 720 | /* |
| 721 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 722 | % % |
| 723 | % % |
| 724 | % % |
| 725 | % U n r e g i s t e r I C O N I m a g e % |
| 726 | % % |
| 727 | % % |
| 728 | % % |
| 729 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 730 | % |
| 731 | % UnregisterICONImage() removes format registrations made by the |
| 732 | % ICON module from the list of supported formats. |
| 733 | % |
| 734 | % The format of the UnregisterICONImage method is: |
| 735 | % |
| 736 | % UnregisterICONImage(void) |
| 737 | % |
| 738 | */ |
| 739 | ModuleExport void UnregisterICONImage(void) |
| 740 | { |
| 741 | (void) UnregisterMagickInfo("CUR"); |
| 742 | (void) UnregisterMagickInfo("ICO"); |
| 743 | (void) UnregisterMagickInfo("ICON"); |
| 744 | } |
| 745 | |
| 746 | /* |
| 747 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 748 | % % |
| 749 | % % |
| 750 | % % |
| 751 | % W r i t e I C O N I m a g e % |
| 752 | % % |
| 753 | % % |
| 754 | % % |
| 755 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 756 | % |
| 757 | % WriteICONImage() writes an image in Microsoft Windows bitmap encoded |
| 758 | % image format, version 3 for Windows or (if the image has a matte channel) |
| 759 | % version 4. |
| 760 | % |
cristy | 83cb91e | 2012-10-31 00:58:22 +0000 | [diff] [blame] | 761 | % It encodes any subimage as a compressed PNG image ("BI_PNG)", only when its |
| 762 | % dimensions are 256x256 and image->compression is undefined or is defined as |
| 763 | % ZipCompression. |
glennrp | 4b708b8 | 2012-07-17 19:15:58 +0000 | [diff] [blame] | 764 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 765 | % The format of the WriteICONImage method is: |
| 766 | % |
| 767 | % MagickBooleanType WriteICONImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 768 | % Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 769 | % |
| 770 | % A description of each parameter follows. |
| 771 | % |
| 772 | % o image_info: the image info. |
| 773 | % |
| 774 | % o image: The image. |
| 775 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 776 | % o exception: return any errors or warnings in this structure. |
| 777 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 778 | */ |
| 779 | static MagickBooleanType WriteICONImage(const ImageInfo *image_info, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 780 | Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 781 | { |
| 782 | IconFile |
| 783 | icon_file; |
| 784 | |
| 785 | IconInfo |
| 786 | icon_info; |
| 787 | |
| 788 | Image |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 789 | *images, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 790 | *next; |
| 791 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 792 | MagickBooleanType |
| 793 | status; |
| 794 | |
| 795 | MagickOffsetType |
| 796 | offset, |
| 797 | scene; |
| 798 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 799 | register const Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 800 | *p; |
| 801 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 802 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 803 | i, |
| 804 | x; |
| 805 | |
| 806 | register unsigned char |
| 807 | *q; |
| 808 | |
cristy | ebc891a | 2011-04-24 23:04:16 +0000 | [diff] [blame] | 809 | size_t |
| 810 | bytes_per_line, |
| 811 | scanline_pad; |
| 812 | |
| 813 | ssize_t |
| 814 | y; |
| 815 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 816 | unsigned char |
| 817 | bit, |
| 818 | byte, |
| 819 | *pixels; |
| 820 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 821 | /* |
| 822 | Open output image file. |
| 823 | */ |
| 824 | assert(image_info != (const ImageInfo *) NULL); |
| 825 | assert(image_info->signature == MagickSignature); |
| 826 | assert(image != (Image *) NULL); |
| 827 | assert(image->signature == MagickSignature); |
| 828 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image->filename); |
cristy | 3a37efd | 2011-08-28 20:31:03 +0000 | [diff] [blame] | 829 | assert(exception != (ExceptionInfo *) NULL); |
| 830 | assert(exception->signature == MagickSignature); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 831 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 832 | if (status == MagickFalse) |
| 833 | return(status); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 834 | images=(Image *) NULL; |
| 835 | if (GetImageOption(image_info,"icon:auto-resize") != (const char *) NULL) |
| 836 | { |
| 837 | size_t |
| 838 | sizes[]={192,128,96,64,48,40,32,24,16}; |
| 839 | |
| 840 | if ((image->columns != 256L) && (image->rows != 256L)) |
| 841 | ThrowWriterException(ImageError,"SizeMustBe256x256"); |
| 842 | if (image->next != (Image *) NULL) |
| 843 | ThrowWriterException(ImageError,"OnlyOneImageAllowed"); |
| 844 | images=CloneImage(image,0,0,MagickTrue,exception); |
| 845 | if (images == (Image *) NULL) |
| 846 | return(MagickFalse); |
| 847 | scene=sizeof(sizes)/sizeof(sizes[0]); |
| 848 | for (i=0; i < scene; i++) |
| 849 | { |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 850 | next=ResizeImage(image,sizes[i],sizes[i],image->filter,exception); |
| 851 | if (next == (Image *) NULL) |
| 852 | { |
| 853 | images=DestroyImageList(images); |
| 854 | return(MagickFalse); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 855 | } |
| 856 | AppendImageToList(&images,next); |
| 857 | } |
| 858 | scene++; |
| 859 | } |
| 860 | else |
| 861 | { |
| 862 | scene=0; |
| 863 | next=image; |
| 864 | do |
| 865 | { |
| 866 | if ((image->columns > 256L) || (image->rows > 256L)) |
| 867 | ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); |
| 868 | scene++; |
| 869 | next=SyncNextImageInList(next); |
| 870 | } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); |
| 871 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 872 | /* |
| 873 | Dump out a ICON header template to be properly initialized later. |
| 874 | */ |
| 875 | (void) WriteBlobLSBShort(image,0); |
| 876 | (void) WriteBlobLSBShort(image,1); |
| 877 | (void) WriteBlobLSBShort(image,(unsigned char) scene); |
| 878 | (void) ResetMagickMemory(&icon_file,0,sizeof(icon_file)); |
| 879 | (void) ResetMagickMemory(&icon_info,0,sizeof(icon_info)); |
| 880 | scene=0; |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 881 | next=(images != (Image *) NULL) ? images : image; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 882 | do |
| 883 | { |
| 884 | (void) WriteBlobByte(image,icon_file.directory[scene].width); |
| 885 | (void) WriteBlobByte(image,icon_file.directory[scene].height); |
| 886 | (void) WriteBlobByte(image,icon_file.directory[scene].colors); |
| 887 | (void) WriteBlobByte(image,icon_file.directory[scene].reserved); |
| 888 | (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes); |
| 889 | (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel); |
cristy | 0b29b25 | 2010-05-30 01:59:46 +0000 | [diff] [blame] | 890 | (void) WriteBlobLSBLong(image,(unsigned int) |
| 891 | icon_file.directory[scene].size); |
| 892 | (void) WriteBlobLSBLong(image,(unsigned int) |
| 893 | icon_file.directory[scene].offset); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 894 | scene++; |
| 895 | next=SyncNextImageInList(next); |
| 896 | } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); |
| 897 | scene=0; |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 898 | next=(images != (Image *) NULL) ? images : image; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 899 | do |
| 900 | { |
glennrp | 4b708b8 | 2012-07-17 19:15:58 +0000 | [diff] [blame] | 901 | if ((next->columns > 255L) && (next->rows > 255L) && |
| 902 | ((next->compression == UndefinedCompression) || |
| 903 | (next->compression == ZipCompression))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 904 | { |
| 905 | Image |
| 906 | *write_image; |
| 907 | |
| 908 | ImageInfo |
| 909 | *write_info; |
| 910 | |
| 911 | size_t |
| 912 | length; |
| 913 | |
| 914 | unsigned char |
| 915 | *png; |
| 916 | |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 917 | write_image=CloneImage(next,0,0,MagickTrue,exception); |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 918 | if (write_image == (Image *) NULL) |
| 919 | { |
| 920 | images=DestroyImageList(images); |
| 921 | return(MagickFalse); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 922 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 923 | write_info=CloneImageInfo(image_info); |
| 924 | (void) CopyMagickString(write_info->filename,"PNG:",MaxTextExtent); |
glennrp | 4b708b8 | 2012-07-17 19:15:58 +0000 | [diff] [blame] | 925 | |
| 926 | /* Don't write any ancillary chunks except for gAMA */ |
| 927 | (void) SetImageArtifact(write_image,"png:include-chunk","none,gama"); |
| 928 | |
| 929 | /* Only write PNG32 formatted PNG (32-bit RGBA), 8 bits per channel */ |
| 930 | (void) SetImageArtifact(write_image,"png:format","png32"); |
| 931 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 932 | png=(unsigned char *) ImageToBlob(write_info,write_image,&length, |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 933 | exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 934 | write_image=DestroyImage(write_image); |
| 935 | write_info=DestroyImageInfo(write_info); |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 936 | if (png == (unsigned char *) NULL) |
| 937 | { |
| 938 | images=DestroyImageList(images); |
| 939 | return(MagickFalse); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 940 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 941 | icon_file.directory[scene].width=0; |
| 942 | icon_file.directory[scene].height=0; |
| 943 | icon_file.directory[scene].colors=0; |
| 944 | icon_file.directory[scene].reserved=0; |
| 945 | icon_file.directory[scene].planes=1; |
| 946 | icon_file.directory[scene].bits_per_pixel=32; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 947 | icon_file.directory[scene].size=(size_t) length; |
| 948 | icon_file.directory[scene].offset=(size_t) TellBlob(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 949 | (void) WriteBlob(image,(size_t) length,png); |
| 950 | png=(unsigned char *) RelinquishMagickMemory(png); |
| 951 | } |
| 952 | else |
| 953 | { |
| 954 | /* |
| 955 | Initialize ICON raster file header. |
| 956 | */ |
cristy | 3d9f5ba | 2012-06-26 13:37:31 +0000 | [diff] [blame] | 957 | if (IssRGBCompatibleColorspace(next->colorspace) == MagickFalse) |
cristy | c511e88 | 2012-04-16 21:11:14 +0000 | [diff] [blame] | 958 | (void) TransformImageColorspace(next,sRGBColorspace,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 959 | icon_info.file_size=14+12+28; |
| 960 | icon_info.offset_bits=icon_info.file_size; |
| 961 | icon_info.compression=BI_RGB; |
| 962 | if ((next->storage_class != DirectClass) && (next->colors > 256)) |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 963 | (void) SetImageStorageClass(next,DirectClass,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 964 | if (next->storage_class == DirectClass) |
| 965 | { |
| 966 | /* |
| 967 | Full color ICON raster. |
| 968 | */ |
| 969 | icon_info.number_colors=0; |
| 970 | icon_info.bits_per_pixel=32; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 971 | icon_info.compression=(size_t) BI_RGB; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 972 | } |
| 973 | else |
| 974 | { |
cristy | 35ef824 | 2010-06-03 16:24:13 +0000 | [diff] [blame] | 975 | size_t |
| 976 | one; |
| 977 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 978 | /* |
| 979 | Colormapped ICON raster. |
| 980 | */ |
| 981 | icon_info.bits_per_pixel=8; |
| 982 | if (next->colors <= 256) |
| 983 | icon_info.bits_per_pixel=8; |
| 984 | if (next->colors <= 16) |
| 985 | icon_info.bits_per_pixel=4; |
| 986 | if (next->colors <= 2) |
| 987 | icon_info.bits_per_pixel=1; |
cristy | 35ef824 | 2010-06-03 16:24:13 +0000 | [diff] [blame] | 988 | one=1; |
| 989 | icon_info.number_colors=one << icon_info.bits_per_pixel; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 990 | if (icon_info.number_colors < next->colors) |
| 991 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 992 | (void) SetImageStorageClass(next,DirectClass,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 993 | icon_info.number_colors=0; |
| 994 | icon_info.bits_per_pixel=(unsigned short) 24; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 995 | icon_info.compression=(size_t) BI_RGB; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 996 | } |
| 997 | else |
| 998 | { |
cristy | 0b29b25 | 2010-05-30 01:59:46 +0000 | [diff] [blame] | 999 | size_t |
| 1000 | one; |
| 1001 | |
| 1002 | one=1; |
| 1003 | icon_info.file_size+=3*(one << icon_info.bits_per_pixel); |
| 1004 | icon_info.offset_bits+=3*(one << icon_info.bits_per_pixel); |
| 1005 | icon_info.file_size+=(one << icon_info.bits_per_pixel); |
| 1006 | icon_info.offset_bits+=(one << icon_info.bits_per_pixel); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1007 | } |
| 1008 | } |
| 1009 | bytes_per_line=(((next->columns*icon_info.bits_per_pixel)+31) & |
| 1010 | ~31) >> 3; |
| 1011 | icon_info.ba_offset=0; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1012 | icon_info.width=(ssize_t) next->columns; |
| 1013 | icon_info.height=(ssize_t) next->rows; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1014 | icon_info.planes=1; |
| 1015 | icon_info.image_size=bytes_per_line*next->rows; |
| 1016 | icon_info.size=40; |
| 1017 | icon_info.size+=(4*icon_info.number_colors); |
| 1018 | icon_info.size+=icon_info.image_size; |
| 1019 | icon_info.size+=(((icon_info.width+31) & ~31) >> 3)*icon_info.height; |
| 1020 | icon_info.file_size+=icon_info.image_size; |
| 1021 | icon_info.x_pixels=0; |
| 1022 | icon_info.y_pixels=0; |
| 1023 | switch (next->units) |
| 1024 | { |
| 1025 | case UndefinedResolution: |
| 1026 | case PixelsPerInchResolution: |
| 1027 | { |
cristy | 2a11bef | 2011-10-28 18:33:11 +0000 | [diff] [blame] | 1028 | icon_info.x_pixels=(size_t) (100.0*next->resolution.x/2.54); |
| 1029 | icon_info.y_pixels=(size_t) (100.0*next->resolution.y/2.54); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1030 | break; |
| 1031 | } |
| 1032 | case PixelsPerCentimeterResolution: |
| 1033 | { |
cristy | 2a11bef | 2011-10-28 18:33:11 +0000 | [diff] [blame] | 1034 | icon_info.x_pixels=(size_t) (100.0*next->resolution.x); |
| 1035 | icon_info.y_pixels=(size_t) (100.0*next->resolution.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1036 | break; |
| 1037 | } |
| 1038 | } |
| 1039 | icon_info.colors_important=icon_info.number_colors; |
| 1040 | /* |
| 1041 | Convert MIFF to ICON raster pixels. |
| 1042 | */ |
| 1043 | pixels=(unsigned char *) AcquireQuantumMemory((size_t) |
| 1044 | icon_info.image_size,sizeof(*pixels)); |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 1045 | if (pixels == (unsigned char *) NULL) |
| 1046 | { |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 1047 | images=DestroyImageList(images); |
| 1048 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 1049 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1050 | (void) ResetMagickMemory(pixels,0,(size_t) icon_info.image_size); |
| 1051 | switch (icon_info.bits_per_pixel) |
| 1052 | { |
| 1053 | case 1: |
| 1054 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1055 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1056 | bit, |
| 1057 | byte; |
| 1058 | |
| 1059 | /* |
| 1060 | Convert PseudoClass image to a ICON monochrome image. |
| 1061 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1062 | for (y=0; y < (ssize_t) next->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1063 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1064 | p=GetVirtualPixels(next,0,y,next->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1065 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1066 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1067 | q=pixels+(next->rows-y-1)*bytes_per_line; |
| 1068 | bit=0; |
| 1069 | byte=0; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1070 | for (x=0; x < (ssize_t) next->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1071 | { |
| 1072 | byte<<=1; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1073 | byte|=GetPixelIndex(next,p) != 0 ? 0x01 : 0x00; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1074 | bit++; |
| 1075 | if (bit == 8) |
| 1076 | { |
| 1077 | *q++=(unsigned char) byte; |
| 1078 | bit=0; |
| 1079 | byte=0; |
| 1080 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1081 | p+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1082 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1083 | if (bit != 0) |
| 1084 | *q++=(unsigned char) (byte << (8-bit)); |
| 1085 | if (next->previous == (Image *) NULL) |
| 1086 | { |
| 1087 | status=SetImageProgress(next,SaveImageTag,y,next->rows); |
| 1088 | if (status == MagickFalse) |
| 1089 | break; |
| 1090 | } |
| 1091 | } |
| 1092 | break; |
| 1093 | } |
| 1094 | case 4: |
| 1095 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1096 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1097 | nibble, |
| 1098 | byte; |
| 1099 | |
| 1100 | /* |
| 1101 | Convert PseudoClass image to a ICON monochrome image. |
| 1102 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1103 | for (y=0; y < (ssize_t) next->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1104 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1105 | p=GetVirtualPixels(next,0,y,next->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1106 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1107 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1108 | q=pixels+(next->rows-y-1)*bytes_per_line; |
| 1109 | nibble=0; |
| 1110 | byte=0; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1111 | for (x=0; x < (ssize_t) next->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1112 | { |
| 1113 | byte<<=4; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1114 | byte|=((size_t) GetPixelIndex(next,p) & 0x0f); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1115 | nibble++; |
| 1116 | if (nibble == 2) |
| 1117 | { |
| 1118 | *q++=(unsigned char) byte; |
| 1119 | nibble=0; |
| 1120 | byte=0; |
| 1121 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1122 | p+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1123 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1124 | if (nibble != 0) |
| 1125 | *q++=(unsigned char) (byte << 4); |
| 1126 | if (next->previous == (Image *) NULL) |
| 1127 | { |
| 1128 | status=SetImageProgress(next,SaveImageTag,y,next->rows); |
| 1129 | if (status == MagickFalse) |
| 1130 | break; |
| 1131 | } |
| 1132 | } |
| 1133 | break; |
| 1134 | } |
| 1135 | case 8: |
| 1136 | { |
| 1137 | /* |
| 1138 | Convert PseudoClass packet to ICON pixel. |
| 1139 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1140 | for (y=0; y < (ssize_t) next->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1141 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1142 | p=GetVirtualPixels(next,0,y,next->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1143 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1144 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1145 | q=pixels+(next->rows-y-1)*bytes_per_line; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1146 | for (x=0; x < (ssize_t) next->columns; x++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1147 | { |
| 1148 | *q++=(unsigned char) GetPixelIndex(next,p); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1149 | p+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1150 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1151 | if (next->previous == (Image *) NULL) |
| 1152 | { |
| 1153 | status=SetImageProgress(next,SaveImageTag,y,next->rows); |
| 1154 | if (status == MagickFalse) |
| 1155 | break; |
| 1156 | } |
| 1157 | } |
| 1158 | break; |
| 1159 | } |
| 1160 | case 24: |
| 1161 | case 32: |
| 1162 | { |
| 1163 | /* |
| 1164 | Convert DirectClass packet to ICON BGR888 or BGRA8888 pixel. |
| 1165 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1166 | for (y=0; y < (ssize_t) next->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1167 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1168 | p=GetVirtualPixels(next,0,y,next->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1169 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1170 | break; |
| 1171 | q=pixels+(next->rows-y-1)*bytes_per_line; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1172 | for (x=0; x < (ssize_t) next->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1173 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1174 | *q++=ScaleQuantumToChar(GetPixelBlue(next,p)); |
| 1175 | *q++=ScaleQuantumToChar(GetPixelGreen(next,p)); |
| 1176 | *q++=ScaleQuantumToChar(GetPixelRed(next,p)); |
cristy | 8a46d82 | 2012-08-28 23:32:39 +0000 | [diff] [blame] | 1177 | if (next->alpha_trait != BlendPixelTrait) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1178 | *q++=ScaleQuantumToChar(QuantumRange); |
| 1179 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1180 | *q++=ScaleQuantumToChar(GetPixelAlpha(next,p)); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1181 | p+=GetPixelChannels(next); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1182 | } |
| 1183 | if (icon_info.bits_per_pixel == 24) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1184 | for (x=3L*(ssize_t) next->columns; x < (ssize_t) bytes_per_line; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1185 | *q++=0x00; |
| 1186 | if (next->previous == (Image *) NULL) |
| 1187 | { |
| 1188 | status=SetImageProgress(next,SaveImageTag,y,next->rows); |
| 1189 | if (status == MagickFalse) |
| 1190 | break; |
| 1191 | } |
| 1192 | } |
| 1193 | break; |
| 1194 | } |
| 1195 | } |
| 1196 | /* |
| 1197 | Write 40-byte version 3+ bitmap header. |
| 1198 | */ |
| 1199 | icon_file.directory[scene].width=(unsigned char) icon_info.width; |
| 1200 | icon_file.directory[scene].height=(unsigned char) icon_info.height; |
| 1201 | icon_file.directory[scene].colors=(unsigned char) |
| 1202 | icon_info.number_colors; |
| 1203 | icon_file.directory[scene].reserved=0; |
| 1204 | icon_file.directory[scene].planes=icon_info.planes; |
| 1205 | icon_file.directory[scene].bits_per_pixel=icon_info.bits_per_pixel; |
| 1206 | icon_file.directory[scene].size=icon_info.size; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1207 | icon_file.directory[scene].offset=(size_t) TellBlob(image); |
cristy | 35ef824 | 2010-06-03 16:24:13 +0000 | [diff] [blame] | 1208 | (void) WriteBlobLSBLong(image,(unsigned int) 40); |
| 1209 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.width); |
| 1210 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.height*2); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1211 | (void) WriteBlobLSBShort(image,icon_info.planes); |
| 1212 | (void) WriteBlobLSBShort(image,icon_info.bits_per_pixel); |
cristy | 35ef824 | 2010-06-03 16:24:13 +0000 | [diff] [blame] | 1213 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.compression); |
| 1214 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.image_size); |
| 1215 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.x_pixels); |
| 1216 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.y_pixels); |
| 1217 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.number_colors); |
| 1218 | (void) WriteBlobLSBLong(image,(unsigned int) icon_info.colors_important); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1219 | if (next->storage_class == PseudoClass) |
| 1220 | { |
| 1221 | unsigned char |
| 1222 | *icon_colormap; |
| 1223 | |
| 1224 | /* |
| 1225 | Dump colormap to file. |
| 1226 | */ |
| 1227 | icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t) |
| 1228 | (1UL << icon_info.bits_per_pixel),4UL*sizeof(*icon_colormap)); |
dirk | c1e5200 | 2014-01-09 20:22:42 +0000 | [diff] [blame^] | 1229 | if (icon_colormap == (unsigned char *) NULL) |
| 1230 | { |
| 1231 | images=DestroyImageList(images); |
| 1232 | ThrowWriterException(ResourceLimitError, |
| 1233 | "MemoryAllocationFailed"); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 1234 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1235 | q=icon_colormap; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1236 | for (i=0; i < (ssize_t) next->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1237 | { |
| 1238 | *q++=ScaleQuantumToChar(next->colormap[i].blue); |
| 1239 | *q++=ScaleQuantumToChar(next->colormap[i].green); |
| 1240 | *q++=ScaleQuantumToChar(next->colormap[i].red); |
| 1241 | *q++=(unsigned char) 0x0; |
| 1242 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1243 | for ( ; i < (ssize_t) (1UL << icon_info.bits_per_pixel); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1244 | { |
| 1245 | *q++=(unsigned char) 0x00; |
| 1246 | *q++=(unsigned char) 0x00; |
| 1247 | *q++=(unsigned char) 0x00; |
| 1248 | *q++=(unsigned char) 0x00; |
| 1249 | } |
| 1250 | (void) WriteBlob(image,(size_t) (4UL*(1UL << |
| 1251 | icon_info.bits_per_pixel)),icon_colormap); |
| 1252 | icon_colormap=(unsigned char *) RelinquishMagickMemory( |
| 1253 | icon_colormap); |
| 1254 | } |
| 1255 | (void) WriteBlob(image,(size_t) icon_info.image_size,pixels); |
| 1256 | pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| 1257 | /* |
| 1258 | Write matte mask. |
| 1259 | */ |
| 1260 | scanline_pad=(((next->columns+31) & ~31)-next->columns) >> 3; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1261 | for (y=((ssize_t) next->rows - 1); y >= 0; y--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1262 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1263 | p=GetVirtualPixels(next,0,y,next->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1264 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1265 | break; |
| 1266 | bit=0; |
| 1267 | byte=0; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1268 | for (x=0; x < (ssize_t) next->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1269 | { |
| 1270 | byte<<=1; |
cristy | 8a46d82 | 2012-08-28 23:32:39 +0000 | [diff] [blame] | 1271 | if ((next->alpha_trait == BlendPixelTrait) && |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1272 | (GetPixelAlpha(next,p) == (Quantum) TransparentAlpha)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1273 | byte|=0x01; |
| 1274 | bit++; |
| 1275 | if (bit == 8) |
| 1276 | { |
| 1277 | (void) WriteBlobByte(image,(unsigned char) byte); |
| 1278 | bit=0; |
| 1279 | byte=0; |
| 1280 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1281 | p+=GetPixelChannels(next); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1282 | } |
| 1283 | if (bit != 0) |
| 1284 | (void) WriteBlobByte(image,(unsigned char) (byte << (8-bit))); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1285 | for (i=0; i < (ssize_t) scanline_pad; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1286 | (void) WriteBlobByte(image,(unsigned char) 0); |
| 1287 | } |
| 1288 | } |
| 1289 | if (GetNextImageInList(next) == (Image *) NULL) |
| 1290 | break; |
| 1291 | next=SyncNextImageInList(next); |
| 1292 | status=SetImageProgress(next,SaveImagesTag,scene++, |
| 1293 | GetImageListLength(next)); |
| 1294 | if (status == MagickFalse) |
| 1295 | break; |
| 1296 | } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); |
| 1297 | offset=SeekBlob(image,0,SEEK_SET); |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 1298 | (void) offset; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1299 | (void) WriteBlobLSBShort(image,0); |
| 1300 | (void) WriteBlobLSBShort(image,1); |
| 1301 | (void) WriteBlobLSBShort(image,(unsigned short) (scene+1)); |
| 1302 | scene=0; |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 1303 | next=(images != (Image *) NULL) ? images : image; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1304 | do |
| 1305 | { |
| 1306 | (void) WriteBlobByte(image,icon_file.directory[scene].width); |
| 1307 | (void) WriteBlobByte(image,icon_file.directory[scene].height); |
| 1308 | (void) WriteBlobByte(image,icon_file.directory[scene].colors); |
| 1309 | (void) WriteBlobByte(image,icon_file.directory[scene].reserved); |
| 1310 | (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes); |
| 1311 | (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel); |
cristy | 0b29b25 | 2010-05-30 01:59:46 +0000 | [diff] [blame] | 1312 | (void) WriteBlobLSBLong(image,(unsigned int) |
| 1313 | icon_file.directory[scene].size); |
| 1314 | (void) WriteBlobLSBLong(image,(unsigned int) |
| 1315 | icon_file.directory[scene].offset); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1316 | scene++; |
| 1317 | next=SyncNextImageInList(next); |
| 1318 | } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse)); |
| 1319 | (void) CloseBlob(image); |
dirk | 9e13770 | 2014-01-09 19:29:59 +0000 | [diff] [blame] | 1320 | images=DestroyImageList(images); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1321 | return(MagickTrue); |
| 1322 | } |