cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % M M AAA PPPP % |
| 7 | % MM MM A A P P % |
| 8 | % M M M AAAAA PPPP % |
| 9 | % M M A A P % |
| 10 | % M M A A P % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write Image Colormaps As An Image File. % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
cristy | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 20 | % Copyright 1999-2010 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 | */ |
| 42 | #include "magick/studio.h" |
cristy | 5a2ca48 | 2009-10-14 18:24:56 +0000 | [diff] [blame] | 43 | #include "magick/attribute.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 44 | #include "magick/blob.h" |
| 45 | #include "magick/blob-private.h" |
| 46 | #include "magick/cache.h" |
| 47 | #include "magick/color.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 48 | #include "magick/color-private.h" |
cristy | e7e4055 | 2010-04-24 21:34:22 +0000 | [diff] [blame] | 49 | #include "magick/colormap.h" |
| 50 | #include "magick/colormap-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 51 | #include "magick/colorspace.h" |
| 52 | #include "magick/exception.h" |
| 53 | #include "magick/exception-private.h" |
cristy | f2e1166 | 2009-10-14 01:24:43 +0000 | [diff] [blame] | 54 | #include "magick/histogram.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 55 | #include "magick/image.h" |
| 56 | #include "magick/image-private.h" |
| 57 | #include "magick/list.h" |
| 58 | #include "magick/magick.h" |
| 59 | #include "magick/memory_.h" |
| 60 | #include "magick/quantum-private.h" |
| 61 | #include "magick/static.h" |
| 62 | #include "magick/statistic.h" |
| 63 | #include "magick/string_.h" |
| 64 | #include "magick/module.h" |
| 65 | |
| 66 | /* |
| 67 | Forward declarations. |
| 68 | */ |
| 69 | static MagickBooleanType |
| 70 | WriteMAPImage(const ImageInfo *,Image *); |
| 71 | |
| 72 | /* |
| 73 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 74 | % % |
| 75 | % % |
| 76 | % % |
| 77 | % R e a d M A P I m a g e % |
| 78 | % % |
| 79 | % % |
| 80 | % % |
| 81 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 82 | % |
| 83 | % ReadMAPImage() reads an image of raw RGB colormap and colormap index |
| 84 | % bytes and returns it. It allocates the memory necessary for the new Image |
| 85 | % structure and returns a pointer to the new image. |
| 86 | % |
| 87 | % The format of the ReadMAPImage method is: |
| 88 | % |
| 89 | % Image *ReadMAPImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 90 | % |
| 91 | % A description of each parameter follows: |
| 92 | % |
| 93 | % o image_info: the image info. |
| 94 | % |
| 95 | % o exception: return any errors or warnings in this structure. |
| 96 | % |
| 97 | */ |
| 98 | static Image *ReadMAPImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 99 | { |
| 100 | Image |
| 101 | *image; |
| 102 | |
| 103 | IndexPacket |
| 104 | index; |
| 105 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 106 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 107 | y; |
| 108 | |
| 109 | MagickBooleanType |
| 110 | status; |
| 111 | |
| 112 | register IndexPacket |
| 113 | *indexes; |
| 114 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 115 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 116 | x; |
| 117 | |
| 118 | register PixelPacket |
| 119 | *q; |
| 120 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 121 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 122 | i; |
| 123 | |
| 124 | register unsigned char |
| 125 | *p; |
| 126 | |
| 127 | size_t |
| 128 | packet_size; |
| 129 | |
| 130 | ssize_t |
| 131 | count; |
| 132 | |
| 133 | unsigned char |
| 134 | *colormap, |
| 135 | *pixels; |
| 136 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 137 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 138 | depth, |
| 139 | quantum; |
| 140 | |
| 141 | /* |
| 142 | Open image file. |
| 143 | */ |
| 144 | assert(image_info != (const ImageInfo *) NULL); |
| 145 | assert(image_info->signature == MagickSignature); |
| 146 | if (image_info->debug != MagickFalse) |
| 147 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 148 | image_info->filename); |
| 149 | assert(exception != (ExceptionInfo *) NULL); |
| 150 | assert(exception->signature == MagickSignature); |
| 151 | image=AcquireImage(image_info); |
| 152 | if ((image->columns == 0) || (image->rows == 0)) |
| 153 | ThrowReaderException(OptionError,"MustSpecifyImageSize"); |
| 154 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 155 | if (status == MagickFalse) |
| 156 | { |
| 157 | image=DestroyImageList(image); |
| 158 | return((Image *) NULL); |
| 159 | } |
| 160 | /* |
| 161 | Initialize image structure. |
| 162 | */ |
| 163 | image->storage_class=PseudoClass; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 164 | status=AcquireImageColormap(image,(size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 165 | (image->offset != 0 ? image->offset : 256)); |
| 166 | if (status == MagickFalse) |
| 167 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 168 | depth=GetImageQuantumDepth(image,MagickTrue); |
| 169 | packet_size=(size_t) (depth/8); |
| 170 | pixels=(unsigned char *) AcquireQuantumMemory(image->columns,packet_size* |
| 171 | sizeof(*pixels)); |
| 172 | packet_size=(size_t) (image->colors > 256 ? 6UL : 3UL); |
| 173 | colormap=(unsigned char *) AcquireQuantumMemory(image->colors,packet_size* |
| 174 | sizeof(*colormap)); |
| 175 | if ((pixels == (unsigned char *) NULL) || |
| 176 | (colormap == (unsigned char *) NULL)) |
| 177 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 178 | /* |
| 179 | Read image colormap. |
| 180 | */ |
| 181 | count=ReadBlob(image,packet_size*image->colors,colormap); |
| 182 | if (count != (ssize_t) (packet_size*image->colors)) |
| 183 | ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile"); |
| 184 | p=colormap; |
| 185 | if (image->depth <= 8) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 186 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 187 | { |
| 188 | image->colormap[i].red=ScaleCharToQuantum(*p++); |
| 189 | image->colormap[i].green=ScaleCharToQuantum(*p++); |
| 190 | image->colormap[i].blue=ScaleCharToQuantum(*p++); |
| 191 | } |
| 192 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 193 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 194 | { |
| 195 | quantum=(*p++ << 8); |
| 196 | quantum|=(*p++); |
| 197 | image->colormap[i].red=(Quantum) quantum; |
| 198 | quantum=(*p++ << 8); |
| 199 | quantum|=(*p++); |
| 200 | image->colormap[i].green=(Quantum) quantum; |
| 201 | quantum=(*p++ << 8); |
| 202 | quantum|=(*p++); |
| 203 | image->colormap[i].blue=(Quantum) quantum; |
| 204 | } |
| 205 | colormap=(unsigned char *) RelinquishMagickMemory(colormap); |
| 206 | if (image_info->ping != MagickFalse) |
| 207 | { |
| 208 | (void) CloseBlob(image); |
| 209 | return(GetFirstImageInList(image)); |
| 210 | } |
| 211 | /* |
| 212 | Read image pixels. |
| 213 | */ |
| 214 | packet_size=(size_t) (depth/8); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 215 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 216 | { |
| 217 | p=pixels; |
| 218 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| 219 | if (q == (PixelPacket *) NULL) |
| 220 | break; |
| 221 | indexes=GetAuthenticIndexQueue(image); |
| 222 | count=ReadBlob(image,(size_t) packet_size*image->columns,pixels); |
| 223 | if (count != (ssize_t) (packet_size*image->columns)) |
| 224 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 225 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 226 | { |
| 227 | index=ConstrainColormapIndex(image,*p); |
| 228 | p++; |
| 229 | if (image->colors > 256) |
| 230 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 231 | index=ConstrainColormapIndex(image,((size_t) index << 8)+(*p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 232 | p++; |
| 233 | } |
| 234 | indexes[x]=(IndexPacket) index; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 235 | *q++=image->colormap[(ssize_t) index]; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 236 | } |
| 237 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 238 | break; |
| 239 | } |
| 240 | pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 241 | if (y < (ssize_t) image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 242 | ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| 243 | image->filename); |
| 244 | (void) CloseBlob(image); |
| 245 | return(GetFirstImageInList(image)); |
| 246 | } |
| 247 | |
| 248 | /* |
| 249 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 250 | % % |
| 251 | % % |
| 252 | % % |
| 253 | % R e g i s t e r M A P I m a g e % |
| 254 | % % |
| 255 | % % |
| 256 | % % |
| 257 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 258 | % |
| 259 | % RegisterMAPImage() adds attributes for the MAP image format to |
| 260 | % the list of supported formats. The attributes include the image format |
| 261 | % tag, a method to read and/or write the format, whether the format |
| 262 | % supports the saving of more than one frame to the same file or blob, |
| 263 | % whether the format supports native in-memory I/O, and a brief |
| 264 | % description of the format. |
| 265 | % |
| 266 | % The format of the RegisterMAPImage method is: |
| 267 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 268 | % size_t RegisterMAPImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 269 | % |
| 270 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 271 | ModuleExport size_t RegisterMAPImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 272 | { |
| 273 | MagickInfo |
| 274 | *entry; |
| 275 | |
| 276 | entry=SetMagickInfo("MAP"); |
| 277 | entry->decoder=(DecodeImageHandler *) ReadMAPImage; |
| 278 | entry->encoder=(EncodeImageHandler *) WriteMAPImage; |
| 279 | entry->adjoin=MagickFalse; |
| 280 | entry->format_type=ExplicitFormatType; |
| 281 | entry->raw=MagickTrue; |
| 282 | entry->endian_support=MagickTrue; |
| 283 | entry->description=ConstantString("Colormap intensities and indices"); |
| 284 | entry->module=ConstantString("MAP"); |
| 285 | (void) RegisterMagickInfo(entry); |
| 286 | return(MagickImageCoderSignature); |
| 287 | } |
| 288 | |
| 289 | /* |
| 290 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 291 | % % |
| 292 | % % |
| 293 | % % |
| 294 | % U n r e g i s t e r M A P I m a g e % |
| 295 | % % |
| 296 | % % |
| 297 | % % |
| 298 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 299 | % |
| 300 | % UnregisterMAPImage() removes format registrations made by the |
| 301 | % MAP module from the list of supported formats. |
| 302 | % |
| 303 | % The format of the UnregisterMAPImage method is: |
| 304 | % |
| 305 | % UnregisterMAPImage(void) |
| 306 | % |
| 307 | */ |
| 308 | ModuleExport void UnregisterMAPImage(void) |
| 309 | { |
| 310 | (void) UnregisterMagickInfo("MAP"); |
| 311 | } |
| 312 | |
| 313 | /* |
| 314 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 315 | % % |
| 316 | % % |
| 317 | % % |
| 318 | % W r i t e M A P I m a g e % |
| 319 | % % |
| 320 | % % |
| 321 | % % |
| 322 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 323 | % |
| 324 | % WriteMAPImage() writes an image to a file as red, green, and blue |
| 325 | % colormap bytes followed by the colormap indexes. |
| 326 | % |
| 327 | % The format of the WriteMAPImage method is: |
| 328 | % |
| 329 | % MagickBooleanType WriteMAPImage(const ImageInfo *image_info,Image *image) |
| 330 | % |
| 331 | % A description of each parameter follows. |
| 332 | % |
| 333 | % o image_info: the image info. |
| 334 | % |
| 335 | % o image: The image. |
| 336 | % |
| 337 | % |
| 338 | */ |
| 339 | static MagickBooleanType WriteMAPImage(const ImageInfo *image_info,Image *image) |
| 340 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 341 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 342 | y; |
| 343 | |
| 344 | MagickBooleanType |
| 345 | status; |
| 346 | |
| 347 | register const IndexPacket |
| 348 | *indexes; |
| 349 | |
| 350 | register const PixelPacket |
| 351 | *p; |
| 352 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 353 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 354 | i, |
| 355 | x; |
| 356 | |
| 357 | register unsigned char |
| 358 | *q; |
| 359 | |
| 360 | size_t |
| 361 | packet_size; |
| 362 | |
| 363 | unsigned char |
| 364 | *colormap, |
| 365 | *pixels; |
| 366 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 367 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 368 | depth; |
| 369 | |
| 370 | /* |
| 371 | Open output image file. |
| 372 | */ |
| 373 | assert(image_info != (const ImageInfo *) NULL); |
| 374 | assert(image_info->signature == MagickSignature); |
| 375 | assert(image != (Image *) NULL); |
| 376 | assert(image->signature == MagickSignature); |
| 377 | if (image->debug != MagickFalse) |
| 378 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 379 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| 380 | if (status == MagickFalse) |
| 381 | return(status); |
| 382 | if (image->colorspace != RGBColorspace) |
| 383 | (void) TransformImageColorspace(image,RGBColorspace); |
| 384 | /* |
| 385 | Allocate colormap. |
| 386 | */ |
| 387 | if (IsPaletteImage(image,&image->exception) == MagickFalse) |
| 388 | (void) SetImageType(image,PaletteType); |
| 389 | depth=GetImageQuantumDepth(image,MagickTrue); |
| 390 | packet_size=(size_t) (depth/8); |
| 391 | pixels=(unsigned char *) AcquireQuantumMemory(image->columns,packet_size* |
| 392 | sizeof(*pixels)); |
| 393 | packet_size=(size_t) (image->colors > 256 ? 6UL : 3UL); |
| 394 | colormap=(unsigned char *) AcquireQuantumMemory(image->colors,packet_size* |
| 395 | sizeof(*colormap)); |
| 396 | if ((pixels == (unsigned char *) NULL) || |
| 397 | (colormap == (unsigned char *) NULL)) |
| 398 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 399 | /* |
| 400 | Write colormap to file. |
| 401 | */ |
| 402 | q=colormap; |
| 403 | if (image->depth <= 8) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 404 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 405 | { |
| 406 | *q++=(unsigned char) image->colormap[i].red; |
| 407 | *q++=(unsigned char) image->colormap[i].green; |
| 408 | *q++=(unsigned char) image->colormap[i].blue; |
| 409 | } |
| 410 | else |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 411 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 412 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 413 | *q++=(unsigned char) ((size_t) image->colormap[i].red >> 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 414 | *q++=(unsigned char) image->colormap[i].red; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 415 | *q++=(unsigned char) ((size_t) image->colormap[i].green >> 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 416 | *q++=(unsigned char) image->colormap[i].green; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 417 | *q++=(unsigned char) ((size_t) image->colormap[i].blue >> 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | *q++=(unsigned char) image->colormap[i].blue; |
| 419 | } |
| 420 | (void) WriteBlob(image,packet_size*image->colors,colormap); |
| 421 | colormap=(unsigned char *) RelinquishMagickMemory(colormap); |
| 422 | /* |
| 423 | Write image pixels to file. |
| 424 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 425 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 426 | { |
| 427 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 428 | if (p == (const PixelPacket *) NULL) |
| 429 | break; |
| 430 | indexes=GetVirtualIndexQueue(image); |
| 431 | q=pixels; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 432 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 433 | { |
| 434 | if (image->colors > 256) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame^] | 435 | *q++=(unsigned char) ((size_t) indexes[x] >> 8); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 436 | *q++=(unsigned char) indexes[x]; |
| 437 | } |
| 438 | (void) WriteBlob(image,(size_t) (q-pixels),pixels); |
| 439 | } |
| 440 | pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| 441 | (void) CloseBlob(image); |
| 442 | return(status); |
| 443 | } |