cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % IIIII M M AAA GGGG EEEEE % |
| 7 | % I MM MM A A G E % |
| 8 | % I M M M AAAAA G GG EEE % |
| 9 | % I M M A A G G E % |
| 10 | % IIIII M M A A GGGG EEEEE % |
| 11 | % % |
| 12 | % % |
| 13 | % MagickCore Image Methods % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
| 20 | % Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization % |
| 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 | /* |
| 41 | Include declarations. |
| 42 | */ |
| 43 | #include "magick/studio.h" |
| 44 | #include "magick/animate.h" |
| 45 | #include "magick/artifact.h" |
| 46 | #include "magick/blob.h" |
| 47 | #include "magick/blob-private.h" |
| 48 | #include "magick/cache.h" |
| 49 | #include "magick/cache-private.h" |
| 50 | #include "magick/cache-view.h" |
| 51 | #include "magick/client.h" |
| 52 | #include "magick/color.h" |
| 53 | #include "magick/color-private.h" |
cristy | 316d517 | 2009-09-17 19:31:25 +0000 | [diff] [blame] | 54 | #include "magick/colormap.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 55 | #include "magick/colorspace.h" |
| 56 | #include "magick/colorspace-private.h" |
| 57 | #include "magick/composite.h" |
| 58 | #include "magick/composite-private.h" |
| 59 | #include "magick/compress.h" |
| 60 | #include "magick/constitute.h" |
| 61 | #include "magick/deprecate.h" |
| 62 | #include "magick/display.h" |
| 63 | #include "magick/draw.h" |
| 64 | #include "magick/enhance.h" |
| 65 | #include "magick/exception.h" |
| 66 | #include "magick/exception-private.h" |
| 67 | #include "magick/gem.h" |
| 68 | #include "magick/geometry.h" |
| 69 | #include "magick/list.h" |
| 70 | #include "magick/image-private.h" |
| 71 | #include "magick/magic.h" |
| 72 | #include "magick/magick.h" |
| 73 | #include "magick/memory_.h" |
| 74 | #include "magick/module.h" |
| 75 | #include "magick/monitor.h" |
| 76 | #include "magick/monitor-private.h" |
| 77 | #include "magick/option.h" |
| 78 | #include "magick/paint.h" |
| 79 | #include "magick/pixel-private.h" |
| 80 | #include "magick/profile.h" |
| 81 | #include "magick/property.h" |
| 82 | #include "magick/quantize.h" |
| 83 | #include "magick/random_.h" |
| 84 | #include "magick/segment.h" |
| 85 | #include "magick/semaphore.h" |
| 86 | #include "magick/signature-private.h" |
| 87 | #include "magick/statistic.h" |
| 88 | #include "magick/string_.h" |
| 89 | #include "magick/thread-private.h" |
| 90 | #include "magick/threshold.h" |
| 91 | #include "magick/timer.h" |
| 92 | #include "magick/utility.h" |
| 93 | #include "magick/version.h" |
| 94 | #include "magick/xwindow-private.h" |
| 95 | |
| 96 | /* |
| 97 | Constant declaration. |
| 98 | */ |
| 99 | const char |
cristy | 7138c59 | 2009-09-08 13:58:52 +0000 | [diff] [blame] | 100 | BackgroundColor[] = "#ffffff", /* white */ |
| 101 | BorderColor[] = "#dfdfdf", /* gray */ |
| 102 | DefaultTileFrame[] = "15x15+3+3", |
| 103 | DefaultTileGeometry[] = "120x120+4+3>", |
| 104 | DefaultTileLabel[] = "%f\n%G\n%b", |
| 105 | ForegroundColor[] = "#000", /* black */ |
| 106 | LoadImageTag[] = "Load/Image", |
| 107 | LoadImagesTag[] = "Load/Images", |
| 108 | MatteColor[] = "#bdbdbd", /* gray */ |
| 109 | PSDensityGeometry[] = "72.0x72.0", |
| 110 | PSPageGeometry[] = "612x792", |
| 111 | SaveImageTag[] = "Save/Image", |
| 112 | SaveImagesTag[] = "Save/Images", |
| 113 | TransparentColor[] = "#00000000"; /* transparent black */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 114 | |
| 115 | const double |
| 116 | DefaultResolution = 72.0; |
| 117 | |
| 118 | /* |
| 119 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 120 | % % |
| 121 | % % |
| 122 | % % |
| 123 | % A c q u i r e I m a g e % |
| 124 | % % |
| 125 | % % |
| 126 | % % |
| 127 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 128 | % |
| 129 | % AcquireImage() returns a pointer to an image structure initialized to |
| 130 | % default values. |
| 131 | % |
| 132 | % The format of the AcquireImage method is: |
| 133 | % |
| 134 | % Image *AcquireImage(const ImageInfo *image_info) |
| 135 | % |
| 136 | % A description of each parameter follows: |
| 137 | % |
| 138 | % o image_info: Many of the image default values are set from this |
| 139 | % structure. For example, filename, compression, depth, background color, |
| 140 | % and others. |
| 141 | % |
| 142 | */ |
| 143 | MagickExport Image *AcquireImage(const ImageInfo *image_info) |
| 144 | { |
| 145 | Image |
| 146 | *image; |
| 147 | |
| 148 | MagickStatusType |
| 149 | flags; |
| 150 | |
| 151 | /* |
| 152 | Allocate image structure. |
| 153 | */ |
| 154 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 155 | image=(Image *) AcquireMagickMemory(sizeof(*image)); |
| 156 | if (image == (Image *) NULL) |
| 157 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 158 | (void) ResetMagickMemory(image,0,sizeof(*image)); |
| 159 | /* |
| 160 | Initialize Image structure. |
| 161 | */ |
| 162 | (void) CopyMagickString(image->magick,"MIFF",MaxTextExtent); |
| 163 | image->storage_class=DirectClass; |
| 164 | image->depth=MAGICKCORE_QUANTUM_DEPTH; |
| 165 | image->colorspace=RGBColorspace; |
| 166 | image->interlace=NoInterlace; |
| 167 | image->ticks_per_second=UndefinedTicksPerSecond; |
| 168 | image->compose=OverCompositeOp; |
| 169 | image->blur=1.0; |
| 170 | GetExceptionInfo(&image->exception); |
| 171 | (void) QueryColorDatabase(BackgroundColor,&image->background_color, |
| 172 | &image->exception); |
| 173 | (void) QueryColorDatabase(BorderColor,&image->border_color,&image->exception); |
| 174 | (void) QueryColorDatabase(MatteColor,&image->matte_color,&image->exception); |
| 175 | (void) QueryColorDatabase(TransparentColor,&image->transparent_color, |
| 176 | &image->exception); |
| 177 | image->x_resolution=DefaultResolution; |
| 178 | image->y_resolution=DefaultResolution; |
| 179 | image->units=PixelsPerInchResolution; |
| 180 | GetTimerInfo(&image->timer); |
| 181 | image->cache=AcquirePixelCache(0); |
| 182 | image->blob=CloneBlobInfo((BlobInfo *) NULL); |
| 183 | image->debug=IsEventLogging(); |
| 184 | image->reference_count=1; |
| 185 | image->semaphore=AllocateSemaphoreInfo(); |
| 186 | image->signature=MagickSignature; |
| 187 | if (image_info == (ImageInfo *) NULL) |
| 188 | return(image); |
| 189 | /* |
| 190 | Transfer image info. |
| 191 | */ |
| 192 | SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue : |
| 193 | MagickFalse); |
| 194 | (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent); |
| 195 | (void) CopyMagickString(image->magick_filename,image_info->filename, |
| 196 | MaxTextExtent); |
| 197 | (void) CopyMagickString(image->magick,image_info->magick,MaxTextExtent); |
| 198 | if (image_info->size != (char *) NULL) |
| 199 | { |
| 200 | (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info); |
| 201 | image->columns=image->extract_info.width; |
| 202 | image->rows=image->extract_info.height; |
| 203 | image->offset=image->extract_info.x; |
| 204 | image->extract_info.x=0; |
| 205 | image->extract_info.y=0; |
| 206 | } |
| 207 | if (image_info->extract != (char *) NULL) |
| 208 | { |
| 209 | RectangleInfo |
| 210 | geometry; |
| 211 | |
| 212 | flags=ParseAbsoluteGeometry(image_info->extract,&geometry); |
| 213 | if (((flags & XValue) != 0) || ((flags & YValue) != 0)) |
| 214 | { |
| 215 | image->extract_info=geometry; |
| 216 | Swap(image->columns,image->extract_info.width); |
| 217 | Swap(image->rows,image->extract_info.height); |
| 218 | } |
| 219 | } |
| 220 | image->compression=image_info->compression; |
| 221 | image->quality=image_info->quality; |
| 222 | image->endian=image_info->endian; |
| 223 | image->interlace=image_info->interlace; |
| 224 | image->units=image_info->units; |
| 225 | if (image_info->density != (char *) NULL) |
| 226 | { |
| 227 | GeometryInfo |
| 228 | geometry_info; |
| 229 | |
| 230 | flags=ParseGeometry(image_info->density,&geometry_info); |
| 231 | image->x_resolution=geometry_info.rho; |
| 232 | image->y_resolution=geometry_info.sigma; |
| 233 | if ((flags & SigmaValue) == 0) |
| 234 | image->y_resolution=image->x_resolution; |
| 235 | } |
| 236 | if (image_info->page != (char *) NULL) |
| 237 | { |
| 238 | char |
| 239 | *geometry; |
| 240 | |
| 241 | image->page=image->extract_info; |
| 242 | geometry=GetPageGeometry(image_info->page); |
| 243 | (void) ParseAbsoluteGeometry(geometry,&image->page); |
| 244 | geometry=DestroyString(geometry); |
| 245 | } |
| 246 | if (image_info->depth != 0) |
| 247 | image->depth=image_info->depth; |
| 248 | image->dither=image_info->dither; |
| 249 | image->background_color=image_info->background_color; |
| 250 | image->border_color=image_info->border_color; |
| 251 | image->matte_color=image_info->matte_color; |
| 252 | image->transparent_color=image_info->transparent_color; |
| 253 | image->progress_monitor=image_info->progress_monitor; |
| 254 | image->client_data=image_info->client_data; |
| 255 | if (image_info->cache != (void *) NULL) |
| 256 | ClonePixelCacheMethods(image->cache,image_info->cache); |
| 257 | (void) SetImageVirtualPixelMethod(image,image_info->virtual_pixel_method); |
| 258 | return(image); |
| 259 | } |
| 260 | |
| 261 | /* |
| 262 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 263 | % % |
| 264 | % % |
| 265 | % % |
| 266 | % A c q u i r e I m a g e C o l o r m a p % |
| 267 | % % |
| 268 | % % |
| 269 | % % |
| 270 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 271 | % |
| 272 | % AcquireImageColormap() allocates an image colormap and initializes |
| 273 | % it to a linear gray colorspace. If the image already has a colormap, |
| 274 | % it is replaced. AcquireImageColormap() returns MagickTrue if successful, |
| 275 | % otherwise MagickFalse if there is not enough memory. |
| 276 | % |
| 277 | % The format of the AcquireImageColormap method is: |
| 278 | % |
| 279 | % MagickBooleanType AcquireImageColormap(Image *image, |
| 280 | % const unsigned long colors) |
| 281 | % |
| 282 | % A description of each parameter follows: |
| 283 | % |
| 284 | % o image: the image. |
| 285 | % |
| 286 | % o colors: the number of colors in the image colormap. |
| 287 | % |
| 288 | */ |
| 289 | |
| 290 | static inline unsigned long MagickMax(const unsigned long x, |
| 291 | const unsigned long y) |
| 292 | { |
| 293 | if (x > y) |
| 294 | return(x); |
| 295 | return(y); |
| 296 | } |
| 297 | |
| 298 | static inline unsigned long MagickMin(const unsigned long x, |
| 299 | const unsigned long y) |
| 300 | { |
| 301 | if (x < y) |
| 302 | return(x); |
| 303 | return(y); |
| 304 | } |
| 305 | |
| 306 | MagickExport MagickBooleanType AcquireImageColormap(Image *image, |
| 307 | const unsigned long colors) |
| 308 | { |
| 309 | register long |
| 310 | i; |
| 311 | |
| 312 | size_t |
| 313 | length; |
| 314 | |
| 315 | /* |
| 316 | Allocate image colormap. |
| 317 | */ |
| 318 | assert(image != (Image *) NULL); |
| 319 | assert(image->signature == MagickSignature); |
| 320 | if (image->debug != MagickFalse) |
| 321 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 322 | image->colors=MagickMin(colors,MaxColormapSize); |
| 323 | length=(size_t) colors; |
| 324 | if (image->colormap == (PixelPacket *) NULL) |
| 325 | image->colormap=(PixelPacket *) AcquireQuantumMemory(length, |
| 326 | sizeof(*image->colormap)); |
| 327 | else |
| 328 | image->colormap=(PixelPacket *) ResizeQuantumMemory(image->colormap,length, |
| 329 | sizeof(*image->colormap)); |
| 330 | if (image->colormap == (PixelPacket *) NULL) |
| 331 | ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed", |
| 332 | image->filename); |
| 333 | for (i=0; i < (long) image->colors; i++) |
| 334 | { |
| 335 | unsigned long |
| 336 | pixel; |
| 337 | |
| 338 | pixel=(unsigned long) (i*(QuantumRange/MagickMax(colors-1,1))); |
| 339 | image->colormap[i].red=(Quantum) pixel; |
| 340 | image->colormap[i].green=(Quantum) pixel; |
| 341 | image->colormap[i].blue=(Quantum) pixel; |
| 342 | image->colormap[i].opacity=OpaqueOpacity; |
| 343 | } |
| 344 | return(SetImageStorageClass(image,PseudoClass)); |
| 345 | } |
| 346 | |
| 347 | /* |
| 348 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 349 | % % |
| 350 | % % |
| 351 | % % |
| 352 | % A c q u i r e I m a g e I n f o % |
| 353 | % % |
| 354 | % % |
| 355 | % % |
| 356 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 357 | % |
| 358 | % AcquireImageInfo() allocates the ImageInfo structure. |
| 359 | % |
| 360 | % The format of the AcquireImageInfo method is: |
| 361 | % |
| 362 | % ImageInfo *AcquireImageInfo(void) |
| 363 | % |
| 364 | */ |
| 365 | MagickExport ImageInfo *AcquireImageInfo(void) |
| 366 | { |
| 367 | ImageInfo |
| 368 | *image_info; |
| 369 | |
| 370 | image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info)); |
| 371 | if (image_info == (ImageInfo *) NULL) |
| 372 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 373 | GetImageInfo(image_info); |
| 374 | return(image_info); |
| 375 | } |
| 376 | |
| 377 | /* |
| 378 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 379 | % % |
| 380 | % % |
| 381 | % % |
| 382 | % A c q u i r e N e x t I m a g e % |
| 383 | % % |
| 384 | % % |
| 385 | % % |
| 386 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 387 | % |
| 388 | % AcquireNextImage() initializes the next image in a sequence to |
| 389 | % default values. The next member of image points to the newly allocated |
| 390 | % image. If there is a memory shortage, next is assigned NULL. |
| 391 | % |
| 392 | % The format of the AcquireNextImage method is: |
| 393 | % |
| 394 | % void AcquireNextImage(const ImageInfo *image_info,Image *image) |
| 395 | % |
| 396 | % A description of each parameter follows: |
| 397 | % |
| 398 | % o image_info: Many of the image default values are set from this |
| 399 | % structure. For example, filename, compression, depth, background color, |
| 400 | % and others. |
| 401 | % |
| 402 | % o image: the image. |
| 403 | % |
| 404 | */ |
| 405 | MagickExport void AcquireNextImage(const ImageInfo *image_info,Image *image) |
| 406 | { |
| 407 | /* |
| 408 | Allocate image structure. |
| 409 | */ |
| 410 | assert(image != (Image *) NULL); |
| 411 | assert(image->signature == MagickSignature); |
| 412 | if (image->debug != MagickFalse) |
| 413 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 414 | image->next=AcquireImage(image_info); |
| 415 | if (GetNextImageInList(image) == (Image *) NULL) |
| 416 | return; |
| 417 | (void) CopyMagickString(GetNextImageInList(image)->filename,image->filename, |
| 418 | MaxTextExtent); |
| 419 | if (image_info != (ImageInfo *) NULL) |
| 420 | (void) CopyMagickString(GetNextImageInList(image)->filename, |
| 421 | image_info->filename,MaxTextExtent); |
| 422 | DestroyBlob(GetNextImageInList(image)); |
| 423 | image->next->blob=ReferenceBlob(image->blob); |
| 424 | image->next->endian=image->endian; |
| 425 | image->next->scene=image->scene+1; |
| 426 | image->next->previous=image; |
| 427 | } |
| 428 | |
| 429 | /* |
| 430 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 431 | % % |
| 432 | % % |
| 433 | % % |
| 434 | % A p p e n d I m a g e s % |
| 435 | % % |
| 436 | % % |
| 437 | % % |
| 438 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 439 | % |
| 440 | % AppendImages() takes all images from the current image pointer to the end |
| 441 | % of the image list and appends them to each other top-to-bottom if the |
| 442 | % stack parameter is true, otherwise left-to-right. |
| 443 | % |
| 444 | % The current gravity setting now effects how the image is justified in the |
| 445 | % final image. |
| 446 | % |
| 447 | % The format of the AppendImages method is: |
| 448 | % |
| 449 | % Image *AppendImages(const Image *image,const MagickBooleanType stack, |
| 450 | % ExceptionInfo *exception) |
| 451 | % |
| 452 | % A description of each parameter follows: |
| 453 | % |
| 454 | % o image: the image sequence. |
| 455 | % |
| 456 | % o stack: A value other than 0 stacks the images top-to-bottom. |
| 457 | % |
| 458 | % o exception: return any errors or warnings in this structure. |
| 459 | % |
| 460 | */ |
| 461 | MagickExport Image *AppendImages(const Image *image, |
| 462 | const MagickBooleanType stack,ExceptionInfo *exception) |
| 463 | { |
| 464 | #define AppendImageTag "Append/Image" |
| 465 | |
| 466 | CacheView |
| 467 | *append_view, |
| 468 | *image_view; |
| 469 | |
| 470 | Image |
| 471 | *append_image; |
| 472 | |
| 473 | long |
| 474 | n, |
| 475 | x_offset, |
| 476 | y, |
| 477 | y_offset; |
| 478 | |
| 479 | MagickBooleanType |
| 480 | matte, |
| 481 | proceed, |
| 482 | status; |
| 483 | |
| 484 | RectangleInfo |
| 485 | geometry; |
| 486 | |
| 487 | register const Image |
| 488 | *next; |
| 489 | |
| 490 | unsigned long |
| 491 | height, |
| 492 | number_images, |
| 493 | width; |
| 494 | |
| 495 | /* |
| 496 | Ensure the image have the same column width. |
| 497 | */ |
| 498 | assert(image != (Image *) NULL); |
| 499 | assert(image->signature == MagickSignature); |
| 500 | if (image->debug != MagickFalse) |
| 501 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 502 | assert(exception != (ExceptionInfo *) NULL); |
| 503 | assert(exception->signature == MagickSignature); |
| 504 | matte=image->matte; |
| 505 | number_images=1; |
| 506 | width=image->columns; |
| 507 | height=image->rows; |
| 508 | next=GetNextImageInList(image); |
| 509 | for ( ; next != (Image *) NULL; next=GetNextImageInList(next)) |
| 510 | { |
| 511 | if (next->matte != MagickFalse) |
| 512 | matte=MagickTrue; |
| 513 | number_images++; |
| 514 | if (stack != MagickFalse) |
| 515 | { |
| 516 | if (next->columns > width) |
| 517 | width=next->columns; |
| 518 | height+=next->rows; |
| 519 | continue; |
| 520 | } |
| 521 | width+=next->columns; |
| 522 | if (next->rows > height) |
| 523 | height=next->rows; |
| 524 | } |
| 525 | /* |
| 526 | Initialize append next attributes. |
| 527 | */ |
| 528 | append_image=CloneImage(image,width,height,MagickTrue,exception); |
| 529 | if (append_image == (Image *) NULL) |
| 530 | return((Image *) NULL); |
| 531 | if (SetImageStorageClass(append_image,DirectClass) == MagickFalse) |
| 532 | { |
| 533 | InheritException(exception,&append_image->exception); |
| 534 | append_image=DestroyImage(append_image); |
| 535 | return((Image *) NULL); |
| 536 | } |
| 537 | append_image->matte=matte; |
| 538 | (void) SetImageBackgroundColor(append_image); |
| 539 | status=MagickTrue; |
| 540 | x_offset=0; |
| 541 | y_offset=0; |
| 542 | append_view=AcquireCacheView(append_image); |
| 543 | for (n=0; n < (long) number_images; n++) |
| 544 | { |
| 545 | SetGeometry(append_image,&geometry); |
| 546 | GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry); |
| 547 | if (stack != MagickFalse) |
| 548 | x_offset-=geometry.x; |
| 549 | else |
| 550 | y_offset-=geometry.y; |
| 551 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 552 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 553 | #pragma omp parallel for schedule(static,1) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 554 | #endif |
| 555 | for (y=0; y < (long) image->rows; y++) |
| 556 | { |
| 557 | MagickBooleanType |
| 558 | sync; |
| 559 | |
| 560 | register const IndexPacket |
| 561 | *__restrict indexes; |
| 562 | |
| 563 | register const PixelPacket |
| 564 | *__restrict p; |
| 565 | |
| 566 | register IndexPacket |
| 567 | *__restrict append_indexes; |
| 568 | |
| 569 | register long |
| 570 | x; |
| 571 | |
| 572 | register PixelPacket |
| 573 | *__restrict q; |
| 574 | |
| 575 | if (status == MagickFalse) |
| 576 | continue; |
| 577 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 578 | q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset, |
| 579 | image->columns,1,exception); |
| 580 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 581 | { |
| 582 | status=MagickFalse; |
| 583 | continue; |
| 584 | } |
| 585 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 586 | append_indexes=GetCacheViewAuthenticIndexQueue(append_view); |
| 587 | for (x=0; x < (long) image->columns; x++) |
| 588 | { |
| 589 | q->red=p->red; |
| 590 | q->green=p->green; |
| 591 | q->blue=p->blue; |
| 592 | q->opacity=OpaqueOpacity; |
| 593 | if (image->matte != MagickFalse) |
| 594 | q->opacity=p->opacity; |
| 595 | if (image->colorspace == CMYKColorspace) |
| 596 | append_indexes[x]=indexes[x]; |
| 597 | p++; |
| 598 | q++; |
| 599 | } |
| 600 | sync=SyncCacheViewAuthenticPixels(append_view,exception); |
| 601 | if (sync == MagickFalse) |
| 602 | continue; |
| 603 | } |
| 604 | image_view=DestroyCacheView(image_view); |
| 605 | proceed=SetImageProgress(image,AppendImageTag,n,number_images); |
| 606 | if (proceed == MagickFalse) |
| 607 | break; |
| 608 | if (stack == MagickFalse) |
| 609 | { |
| 610 | x_offset+=image->columns; |
| 611 | y_offset=0; |
| 612 | } |
| 613 | else |
| 614 | { |
| 615 | x_offset=0; |
| 616 | y_offset+=image->rows; |
| 617 | } |
| 618 | image=GetNextImageInList(image); |
| 619 | } |
| 620 | append_view=DestroyCacheView(append_view); |
| 621 | if (status == MagickFalse) |
| 622 | append_image=DestroyImage(append_image); |
| 623 | return(append_image); |
| 624 | } |
| 625 | |
| 626 | /* |
| 627 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 628 | % % |
| 629 | % % |
| 630 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 631 | % C a t c h I m a g e E x c e p t i o n % |
| 632 | % % |
| 633 | % % |
| 634 | % % |
| 635 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 636 | % |
| 637 | % CatchImageException() returns if no exceptions are found in the image |
| 638 | % sequence, otherwise it determines the most severe exception and reports |
| 639 | % it as a warning or error depending on the severity. |
| 640 | % |
| 641 | % The format of the CatchImageException method is: |
| 642 | % |
| 643 | % ExceptionType CatchImageException(Image *image) |
| 644 | % |
| 645 | % A description of each parameter follows: |
| 646 | % |
| 647 | % o image: An image sequence. |
| 648 | % |
| 649 | */ |
| 650 | MagickExport ExceptionType CatchImageException(Image *image) |
| 651 | { |
| 652 | ExceptionInfo |
| 653 | *exception; |
| 654 | |
| 655 | ExceptionType |
| 656 | severity; |
| 657 | |
| 658 | assert(image != (const Image *) NULL); |
| 659 | assert(image->signature == MagickSignature); |
| 660 | if (image->debug != MagickFalse) |
| 661 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 662 | exception=AcquireExceptionInfo(); |
| 663 | GetImageException(image,exception); |
| 664 | CatchException(exception); |
| 665 | severity=exception->severity; |
| 666 | exception=DestroyExceptionInfo(exception); |
| 667 | return(severity); |
| 668 | } |
| 669 | |
| 670 | /* |
| 671 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 672 | % % |
| 673 | % % |
| 674 | % % |
| 675 | % C l i p I m a g e P a t h % |
| 676 | % % |
| 677 | % % |
| 678 | % % |
| 679 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 680 | % |
| 681 | % ClipImagePath() sets the image clip mask based any clipping path information |
| 682 | % if it exists. |
| 683 | % |
| 684 | % The format of the ClipImagePath method is: |
| 685 | % |
| 686 | % MagickBooleanType ClipImagePath(Image *image,const char *pathname, |
| 687 | % const MagickBooleanType inside) |
| 688 | % |
| 689 | % A description of each parameter follows: |
| 690 | % |
| 691 | % o image: the image. |
| 692 | % |
| 693 | % o pathname: name of clipping path resource. If name is preceded by #, use |
| 694 | % clipping path numbered by name. |
| 695 | % |
| 696 | % o inside: if non-zero, later operations take effect inside clipping path. |
| 697 | % Otherwise later operations take effect outside clipping path. |
| 698 | % |
| 699 | */ |
| 700 | |
| 701 | MagickExport MagickBooleanType ClipImage(Image *image) |
| 702 | { |
| 703 | return(ClipImagePath(image,"#1",MagickTrue)); |
| 704 | } |
| 705 | |
| 706 | MagickExport MagickBooleanType ClipImagePath(Image *image,const char *pathname, |
| 707 | const MagickBooleanType inside) |
| 708 | { |
| 709 | #define ClipImagePathTag "ClipPath/Image" |
| 710 | |
| 711 | char |
| 712 | *property; |
| 713 | |
| 714 | const char |
| 715 | *value; |
| 716 | |
| 717 | Image |
| 718 | *clip_mask; |
| 719 | |
| 720 | ImageInfo |
| 721 | *image_info; |
| 722 | |
| 723 | assert(image != (const Image *) NULL); |
| 724 | assert(image->signature == MagickSignature); |
| 725 | if (image->debug != MagickFalse) |
| 726 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 727 | assert(pathname != NULL); |
| 728 | property=AcquireString(pathname); |
| 729 | (void) FormatMagickString(property,MaxTextExtent,"8BIM:1999,2998:%s", |
| 730 | pathname); |
| 731 | value=GetImageProperty(image,property); |
| 732 | property=DestroyString(property); |
| 733 | if (value == (const char *) NULL) |
| 734 | { |
| 735 | ThrowFileException(&image->exception,OptionError,"NoClipPathDefined", |
| 736 | image->filename); |
| 737 | return(MagickFalse); |
| 738 | } |
| 739 | image_info=AcquireImageInfo(); |
| 740 | (void) CopyMagickString(image_info->filename,image->filename,MaxTextExtent); |
| 741 | (void) ConcatenateMagickString(image_info->filename,pathname,MaxTextExtent); |
| 742 | clip_mask=BlobToImage(image_info,value,strlen(value),&image->exception); |
| 743 | image_info=DestroyImageInfo(image_info); |
| 744 | if (clip_mask == (Image *) NULL) |
| 745 | return(MagickFalse); |
| 746 | if (clip_mask->storage_class == PseudoClass) |
| 747 | { |
| 748 | (void) SyncImage(clip_mask); |
| 749 | if (SetImageStorageClass(clip_mask,DirectClass) == MagickFalse) |
| 750 | return(MagickFalse); |
| 751 | } |
| 752 | if (inside == MagickFalse) |
| 753 | (void) NegateImage(clip_mask,MagickFalse); |
| 754 | (void) FormatMagickString(clip_mask->magick_filename,MaxTextExtent, |
| 755 | "8BIM:1999,2998:%s\nPS",pathname); |
| 756 | (void) SetImageClipMask(image,clip_mask); |
| 757 | clip_mask=DestroyImage(clip_mask); |
| 758 | return(MagickTrue); |
| 759 | } |
| 760 | |
| 761 | /* |
| 762 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 763 | % % |
| 764 | % % |
| 765 | % % |
| 766 | % C l o n e I m a g e % |
| 767 | % % |
| 768 | % % |
| 769 | % % |
| 770 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 771 | % |
| 772 | % CloneImage() copies an image and returns the copy as a new image object. |
| 773 | % If the specified columns and rows is 0, an exact copy of the image is |
| 774 | % returned, otherwise the pixel data is undefined and must be initialized |
| 775 | % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On |
| 776 | % failure, a NULL image is returned and exception describes the reason for the |
| 777 | % failure. |
| 778 | % |
| 779 | % The format of the CloneImage method is: |
| 780 | % |
| 781 | % Image *CloneImage(const Image *image,const unsigned long columns, |
| 782 | % const unsigned long rows,const MagickBooleanType orphan, |
| 783 | % ExceptionInfo *exception) |
| 784 | % |
| 785 | % A description of each parameter follows: |
| 786 | % |
| 787 | % o image: the image. |
| 788 | % |
| 789 | % o columns: the number of columns in the cloned image. |
| 790 | % |
| 791 | % o rows: the number of rows in the cloned image. |
| 792 | % |
| 793 | % o detach: With a value other than 0, the cloned image is detached from |
| 794 | % its parent I/O stream. |
| 795 | % |
| 796 | % o exception: return any errors or warnings in this structure. |
| 797 | % |
| 798 | */ |
| 799 | MagickExport Image *CloneImage(const Image *image,const unsigned long columns, |
| 800 | const unsigned long rows,const MagickBooleanType detach, |
| 801 | ExceptionInfo *exception) |
| 802 | { |
| 803 | Image |
| 804 | *clone_image; |
| 805 | |
| 806 | MagickRealType |
| 807 | scale; |
| 808 | |
| 809 | size_t |
| 810 | length; |
| 811 | |
| 812 | /* |
| 813 | Clone the image. |
| 814 | */ |
| 815 | assert(image != (const Image *) NULL); |
| 816 | assert(image->signature == MagickSignature); |
| 817 | if (image->debug != MagickFalse) |
| 818 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 819 | assert(exception != (ExceptionInfo *) NULL); |
| 820 | assert(exception->signature == MagickSignature); |
| 821 | clone_image=(Image *) AcquireMagickMemory(sizeof(*clone_image)); |
| 822 | if (clone_image == (Image *) NULL) |
| 823 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 824 | (void) ResetMagickMemory(clone_image,0,sizeof(*clone_image)); |
| 825 | clone_image->signature=MagickSignature; |
| 826 | clone_image->storage_class=image->storage_class; |
| 827 | clone_image->colorspace=image->colorspace; |
| 828 | clone_image->matte=image->matte; |
| 829 | clone_image->columns=image->columns; |
| 830 | clone_image->rows=image->rows; |
| 831 | clone_image->dither=image->dither; |
| 832 | if (image->colormap != (PixelPacket *) NULL) |
| 833 | { |
| 834 | /* |
| 835 | Allocate and copy the image colormap. |
| 836 | */ |
| 837 | clone_image->colors=image->colors; |
| 838 | length=(size_t) image->colors; |
| 839 | clone_image->colormap=(PixelPacket *) AcquireQuantumMemory(length, |
| 840 | sizeof(*clone_image->colormap)); |
| 841 | if (clone_image->colormap == (PixelPacket *) NULL) |
| 842 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 843 | (void) CopyMagickMemory(clone_image->colormap,image->colormap,length* |
| 844 | sizeof(*clone_image->colormap)); |
| 845 | } |
| 846 | (void) CloneImageProfiles(clone_image,image); |
| 847 | (void) CloneImageProperties(clone_image,image); |
| 848 | (void) CloneImageArtifacts(clone_image,image); |
| 849 | GetTimerInfo(&clone_image->timer); |
| 850 | GetExceptionInfo(&clone_image->exception); |
| 851 | InheritException(&clone_image->exception,&image->exception); |
| 852 | if (image->ascii85 != (void *) NULL) |
| 853 | Ascii85Initialize(clone_image); |
| 854 | clone_image->magick_columns=image->magick_columns; |
| 855 | clone_image->magick_rows=image->magick_rows; |
| 856 | clone_image->type=image->type; |
| 857 | (void) CopyMagickString(clone_image->magick_filename,image->magick_filename, |
| 858 | MaxTextExtent); |
| 859 | (void) CopyMagickString(clone_image->magick,image->magick,MaxTextExtent); |
| 860 | (void) CopyMagickString(clone_image->filename,image->filename,MaxTextExtent); |
| 861 | clone_image->progress_monitor=image->progress_monitor; |
| 862 | clone_image->client_data=image->client_data; |
| 863 | clone_image->reference_count=1; |
| 864 | clone_image->next=NewImageList(); |
| 865 | clone_image->previous=NewImageList(); |
| 866 | clone_image->list=NewImageList(); |
| 867 | clone_image->clip_mask=NewImageList(); |
| 868 | clone_image->mask=NewImageList(); |
| 869 | if (detach == MagickFalse) |
| 870 | clone_image->blob=ReferenceBlob(image->blob); |
| 871 | else |
| 872 | clone_image->blob=CloneBlobInfo((BlobInfo *) NULL); |
| 873 | clone_image->debug=IsEventLogging(); |
| 874 | clone_image->semaphore=AllocateSemaphoreInfo(); |
| 875 | if ((columns == 0) && (rows == 0)) |
| 876 | { |
| 877 | if (image->montage != (char *) NULL) |
| 878 | (void) CloneString(&clone_image->montage,image->montage); |
| 879 | if (image->directory != (char *) NULL) |
| 880 | (void) CloneString(&clone_image->directory,image->directory); |
| 881 | if (image->clip_mask != (Image *) NULL) |
| 882 | clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue, |
| 883 | exception); |
| 884 | if (image->mask != (Image *) NULL) |
| 885 | clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception); |
| 886 | clone_image->cache=ReferencePixelCache(image->cache); |
| 887 | return(clone_image); |
| 888 | } |
| 889 | scale=(MagickRealType) columns/(MagickRealType) image->columns; |
| 890 | clone_image->page.width=(unsigned long) (scale*image->page.width+0.5); |
| 891 | clone_image->page.x=(long) (scale*image->page.x+0.5); |
| 892 | clone_image->tile_offset.x=(long) (scale*image->tile_offset.x+0.5); |
| 893 | scale=(MagickRealType) rows/(MagickRealType) image->rows; |
| 894 | clone_image->page.height=(unsigned long) (scale*image->page.height+0.5); |
| 895 | clone_image->page.y=(long) (image->page.y*scale+0.5); |
| 896 | clone_image->tile_offset.y=(long) (scale*image->tile_offset.y+0.5); |
| 897 | clone_image->columns=columns; |
| 898 | clone_image->rows=rows; |
| 899 | clone_image->cache=ClonePixelCache(image->cache); |
| 900 | return(clone_image); |
| 901 | } |
| 902 | |
| 903 | /* |
| 904 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 905 | % % |
| 906 | % % |
| 907 | % % |
| 908 | % C l o n e I m a g e I n f o % |
| 909 | % % |
| 910 | % % |
| 911 | % % |
| 912 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 913 | % |
| 914 | % CloneImageInfo() makes a copy of the given image info structure. If |
| 915 | % NULL is specified, a new image info structure is created initialized to |
| 916 | % default values. |
| 917 | % |
| 918 | % The format of the CloneImageInfo method is: |
| 919 | % |
| 920 | % ImageInfo *CloneImageInfo(const ImageInfo *image_info) |
| 921 | % |
| 922 | % A description of each parameter follows: |
| 923 | % |
| 924 | % o image_info: the image info. |
| 925 | % |
| 926 | */ |
| 927 | MagickExport ImageInfo *CloneImageInfo(const ImageInfo *image_info) |
| 928 | { |
| 929 | ImageInfo |
| 930 | *clone_info; |
| 931 | |
| 932 | clone_info=AcquireImageInfo(); |
| 933 | if (image_info == (ImageInfo *) NULL) |
| 934 | return(clone_info); |
| 935 | clone_info->compression=image_info->compression; |
| 936 | clone_info->temporary=image_info->temporary; |
| 937 | clone_info->adjoin=image_info->adjoin; |
| 938 | clone_info->antialias=image_info->antialias; |
| 939 | clone_info->scene=image_info->scene; |
| 940 | clone_info->number_scenes=image_info->number_scenes; |
| 941 | clone_info->depth=image_info->depth; |
| 942 | if (image_info->size != (char *) NULL) |
| 943 | (void) CloneString(&clone_info->size,image_info->size); |
| 944 | if (image_info->extract != (char *) NULL) |
| 945 | (void) CloneString(&clone_info->extract,image_info->extract); |
| 946 | if (image_info->scenes != (char *) NULL) |
| 947 | (void) CloneString(&clone_info->scenes,image_info->scenes); |
| 948 | if (image_info->page != (char *) NULL) |
| 949 | (void) CloneString(&clone_info->page,image_info->page); |
| 950 | clone_info->interlace=image_info->interlace; |
| 951 | clone_info->endian=image_info->endian; |
| 952 | clone_info->units=image_info->units; |
| 953 | clone_info->quality=image_info->quality; |
| 954 | if (image_info->sampling_factor != (char *) NULL) |
| 955 | (void) CloneString(&clone_info->sampling_factor, |
| 956 | image_info->sampling_factor); |
| 957 | if (image_info->server_name != (char *) NULL) |
| 958 | (void) CloneString(&clone_info->server_name,image_info->server_name); |
| 959 | if (image_info->font != (char *) NULL) |
| 960 | (void) CloneString(&clone_info->font,image_info->font); |
| 961 | if (image_info->texture != (char *) NULL) |
| 962 | (void) CloneString(&clone_info->texture,image_info->texture); |
| 963 | if (image_info->density != (char *) NULL) |
| 964 | (void) CloneString(&clone_info->density,image_info->density); |
| 965 | clone_info->pointsize=image_info->pointsize; |
| 966 | clone_info->fuzz=image_info->fuzz; |
| 967 | clone_info->pen=image_info->pen; |
| 968 | clone_info->background_color=image_info->background_color; |
| 969 | clone_info->border_color=image_info->border_color; |
| 970 | clone_info->matte_color=image_info->matte_color; |
| 971 | clone_info->transparent_color=image_info->transparent_color; |
| 972 | clone_info->dither=image_info->dither; |
| 973 | clone_info->monochrome=image_info->monochrome; |
| 974 | clone_info->colors=image_info->colors; |
| 975 | clone_info->colorspace=image_info->colorspace; |
| 976 | clone_info->type=image_info->type; |
| 977 | clone_info->orientation=image_info->orientation; |
| 978 | clone_info->preview_type=image_info->preview_type; |
| 979 | clone_info->group=image_info->group; |
| 980 | clone_info->ping=image_info->ping; |
| 981 | clone_info->verbose=image_info->verbose; |
| 982 | if (image_info->view != (char *) NULL) |
| 983 | (void) CloneString(&clone_info->view,image_info->view); |
| 984 | if (image_info->authenticate != (char *) NULL) |
| 985 | (void) CloneString(&clone_info->authenticate,image_info->authenticate); |
| 986 | (void) CloneImageOptions(clone_info,image_info); |
| 987 | clone_info->progress_monitor=image_info->progress_monitor; |
| 988 | clone_info->client_data=image_info->client_data; |
| 989 | clone_info->cache=image_info->cache; |
| 990 | if (image_info->cache != (void *) NULL) |
| 991 | clone_info->cache=ReferencePixelCache(image_info->cache); |
| 992 | if (image_info->profile != (void *) NULL) |
| 993 | clone_info->profile=(void *) CloneStringInfo((StringInfo *) |
| 994 | image_info->profile); |
| 995 | SetImageInfoFile(clone_info,image_info->file); |
| 996 | SetImageInfoBlob(clone_info,image_info->blob,image_info->length); |
| 997 | clone_info->stream=image_info->stream; |
| 998 | clone_info->virtual_pixel_method=image_info->virtual_pixel_method; |
| 999 | (void) CopyMagickString(clone_info->magick,image_info->magick,MaxTextExtent); |
| 1000 | (void) CopyMagickString(clone_info->unique,image_info->unique,MaxTextExtent); |
| 1001 | (void) CopyMagickString(clone_info->zero,image_info->zero,MaxTextExtent); |
| 1002 | (void) CopyMagickString(clone_info->filename,image_info->filename, |
| 1003 | MaxTextExtent); |
| 1004 | clone_info->subimage=image_info->scene; /* deprecated */ |
| 1005 | clone_info->subrange=image_info->number_scenes; /* deprecated */ |
| 1006 | clone_info->channel=image_info->channel; |
| 1007 | clone_info->debug=IsEventLogging(); |
| 1008 | clone_info->signature=image_info->signature; |
| 1009 | return(clone_info); |
| 1010 | } |
| 1011 | |
| 1012 | /* |
| 1013 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1014 | % % |
| 1015 | % % |
| 1016 | % % |
| 1017 | % C o m b i n e I m a g e s % |
| 1018 | % % |
| 1019 | % % |
| 1020 | % % |
| 1021 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1022 | % |
| 1023 | % CombineImages() combines one or more images into a single image. The |
| 1024 | % grayscale value of the pixels of each image in the sequence is assigned in |
| 1025 | % order to the specified channels of the combined image. The typical |
| 1026 | % ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc. |
| 1027 | % |
| 1028 | % The format of the CombineImages method is: |
| 1029 | % |
| 1030 | % Image *CombineImages(const Image *image,const ChannelType channel, |
| 1031 | % ExceptionInfo *exception) |
| 1032 | % |
| 1033 | % A description of each parameter follows: |
| 1034 | % |
| 1035 | % o image: the image. |
| 1036 | % |
| 1037 | % o exception: return any errors or warnings in this structure. |
| 1038 | % |
| 1039 | */ |
| 1040 | MagickExport Image *CombineImages(const Image *image,const ChannelType channel, |
| 1041 | ExceptionInfo *exception) |
| 1042 | { |
| 1043 | #define CombineImageTag "Combine/Image" |
| 1044 | |
| 1045 | CacheView |
| 1046 | *combine_view; |
| 1047 | |
| 1048 | const Image |
| 1049 | *next; |
| 1050 | |
| 1051 | Image |
| 1052 | *combine_image; |
| 1053 | |
| 1054 | long |
| 1055 | progress, |
| 1056 | y; |
| 1057 | |
| 1058 | MagickBooleanType |
| 1059 | status; |
| 1060 | |
| 1061 | /* |
| 1062 | Ensure the image are the same size. |
| 1063 | */ |
| 1064 | assert(image != (const Image *) NULL); |
| 1065 | assert(image->signature == MagickSignature); |
| 1066 | if (image->debug != MagickFalse) |
| 1067 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1068 | assert(exception != (ExceptionInfo *) NULL); |
| 1069 | assert(exception->signature == MagickSignature); |
| 1070 | for (next=image; next != (Image *) NULL; next=GetNextImageInList(next)) |
| 1071 | { |
| 1072 | if ((next->columns != image->columns) || (next->rows != image->rows)) |
| 1073 | ThrowImageException(OptionError,"ImagesAreNotTheSameSize"); |
| 1074 | } |
| 1075 | combine_image=CloneImage(image,0,0,MagickTrue,exception); |
| 1076 | if (combine_image == (Image *) NULL) |
| 1077 | return((Image *) NULL); |
| 1078 | if (SetImageStorageClass(combine_image,DirectClass) == MagickFalse) |
| 1079 | { |
| 1080 | InheritException(exception,&combine_image->exception); |
| 1081 | combine_image=DestroyImage(combine_image); |
| 1082 | return((Image *) NULL); |
| 1083 | } |
| 1084 | if ((channel & OpacityChannel) != 0) |
| 1085 | combine_image->matte=MagickTrue; |
| 1086 | (void) SetImageBackgroundColor(combine_image); |
| 1087 | /* |
| 1088 | Combine images. |
| 1089 | */ |
| 1090 | status=MagickTrue; |
| 1091 | progress=0; |
| 1092 | combine_view=AcquireCacheView(combine_image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 1093 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 1094 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1095 | #endif |
| 1096 | for (y=0; y < (long) combine_image->rows; y++) |
| 1097 | { |
| 1098 | CacheView |
| 1099 | *image_view; |
| 1100 | |
| 1101 | const Image |
| 1102 | *next; |
| 1103 | |
| 1104 | PixelPacket |
| 1105 | *pixels; |
| 1106 | |
| 1107 | register const PixelPacket |
| 1108 | *__restrict p; |
| 1109 | |
| 1110 | register long |
| 1111 | x; |
| 1112 | |
| 1113 | register PixelPacket |
| 1114 | *__restrict q; |
| 1115 | |
| 1116 | if (status == MagickFalse) |
| 1117 | continue; |
| 1118 | pixels=GetCacheViewAuthenticPixels(combine_view,0,y,combine_image->columns, |
| 1119 | 1,exception); |
| 1120 | if (pixels == (PixelPacket *) NULL) |
| 1121 | { |
| 1122 | status=MagickFalse; |
| 1123 | continue; |
| 1124 | } |
| 1125 | next=image; |
| 1126 | if (((channel & RedChannel) != 0) && (next != (Image *) NULL)) |
| 1127 | { |
| 1128 | image_view=AcquireCacheView(next); |
| 1129 | p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); |
| 1130 | if (p == (const PixelPacket *) NULL) |
| 1131 | continue; |
| 1132 | q=pixels; |
| 1133 | for (x=0; x < (long) combine_image->columns; x++) |
| 1134 | { |
| 1135 | q->red=PixelIntensityToQuantum(p); |
| 1136 | p++; |
| 1137 | q++; |
| 1138 | } |
| 1139 | image_view=DestroyCacheView(image_view); |
| 1140 | next=GetNextImageInList(next); |
| 1141 | } |
| 1142 | if (((channel & GreenChannel) != 0) && (next != (Image *) NULL)) |
| 1143 | { |
| 1144 | image_view=AcquireCacheView(next); |
| 1145 | p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); |
| 1146 | if (p == (const PixelPacket *) NULL) |
| 1147 | continue; |
| 1148 | q=pixels; |
| 1149 | for (x=0; x < (long) combine_image->columns; x++) |
| 1150 | { |
| 1151 | q->green=PixelIntensityToQuantum(p); |
| 1152 | p++; |
| 1153 | q++; |
| 1154 | } |
| 1155 | image_view=DestroyCacheView(image_view); |
| 1156 | next=GetNextImageInList(next); |
| 1157 | } |
| 1158 | if (((channel & BlueChannel) != 0) && (next != (Image *) NULL)) |
| 1159 | { |
| 1160 | image_view=AcquireCacheView(next); |
| 1161 | p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); |
| 1162 | if (p == (const PixelPacket *) NULL) |
| 1163 | continue; |
| 1164 | q=pixels; |
| 1165 | for (x=0; x < (long) combine_image->columns; x++) |
| 1166 | { |
| 1167 | q->blue=PixelIntensityToQuantum(p); |
| 1168 | p++; |
| 1169 | q++; |
| 1170 | } |
| 1171 | image_view=DestroyCacheView(image_view); |
| 1172 | next=GetNextImageInList(next); |
| 1173 | } |
| 1174 | if (((channel & OpacityChannel) != 0) && (next != (Image *) NULL)) |
| 1175 | { |
| 1176 | image_view=AcquireCacheView(next); |
| 1177 | p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); |
| 1178 | if (p == (const PixelPacket *) NULL) |
| 1179 | continue; |
| 1180 | q=pixels; |
| 1181 | for (x=0; x < (long) combine_image->columns; x++) |
| 1182 | { |
| 1183 | q->opacity=PixelIntensityToQuantum(p); |
| 1184 | p++; |
| 1185 | q++; |
| 1186 | } |
| 1187 | image_view=DestroyCacheView(image_view); |
| 1188 | next=GetNextImageInList(next); |
| 1189 | } |
| 1190 | if (((channel & IndexChannel) != 0) && |
| 1191 | (image->colorspace == CMYKColorspace) && (next != (Image *) NULL)) |
| 1192 | { |
| 1193 | IndexPacket |
| 1194 | *indexes; |
| 1195 | |
| 1196 | image_view=AcquireCacheView(next); |
| 1197 | p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); |
| 1198 | if (p == (const PixelPacket *) NULL) |
| 1199 | continue; |
| 1200 | indexes=GetCacheViewAuthenticIndexQueue(combine_view); |
| 1201 | for (x=0; x < (long) combine_image->columns; x++) |
| 1202 | { |
| 1203 | indexes[x]=PixelIntensityToQuantum(p); |
| 1204 | p++; |
| 1205 | } |
| 1206 | image_view=DestroyCacheView(image_view); |
| 1207 | next=GetNextImageInList(next); |
| 1208 | } |
| 1209 | if (SyncCacheViewAuthenticPixels(combine_view,exception) == MagickFalse) |
| 1210 | status=MagickFalse; |
| 1211 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1212 | { |
| 1213 | MagickBooleanType |
| 1214 | proceed; |
| 1215 | |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 1216 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1217 | #pragma omp critical (MagickCore_CombineImages) |
| 1218 | #endif |
| 1219 | proceed=SetImageProgress(image,CombineImageTag,progress++, |
| 1220 | combine_image->rows); |
| 1221 | if (proceed == MagickFalse) |
| 1222 | status=MagickFalse; |
| 1223 | } |
| 1224 | } |
| 1225 | combine_view=DestroyCacheView(combine_view); |
| 1226 | if (status == MagickFalse) |
| 1227 | combine_image=DestroyImage(combine_image); |
| 1228 | return(combine_image); |
| 1229 | } |
| 1230 | |
| 1231 | /* |
| 1232 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1233 | % % |
| 1234 | % % |
| 1235 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1236 | % D e s t r o y I m a g e % |
| 1237 | % % |
| 1238 | % % |
| 1239 | % % |
| 1240 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1241 | % |
| 1242 | % DestroyImage() dereferences an image, deallocating memory associated with |
| 1243 | % the image if the reference count becomes zero. |
| 1244 | % |
| 1245 | % The format of the DestroyImage method is: |
| 1246 | % |
| 1247 | % Image *DestroyImage(Image *image) |
| 1248 | % |
| 1249 | % A description of each parameter follows: |
| 1250 | % |
| 1251 | % o image: the image. |
| 1252 | % |
| 1253 | */ |
| 1254 | MagickExport Image *DestroyImage(Image *image) |
| 1255 | { |
| 1256 | MagickBooleanType |
| 1257 | destroy; |
| 1258 | |
| 1259 | /* |
| 1260 | Dereference image. |
| 1261 | */ |
| 1262 | assert(image != (Image *) NULL); |
| 1263 | assert(image->signature == MagickSignature); |
| 1264 | if (image->debug != MagickFalse) |
| 1265 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1266 | destroy=MagickFalse; |
| 1267 | (void) LockSemaphoreInfo(image->semaphore); |
| 1268 | image->reference_count--; |
| 1269 | if (image->reference_count == 0) |
| 1270 | destroy=MagickTrue; |
| 1271 | (void) UnlockSemaphoreInfo(image->semaphore); |
| 1272 | if (destroy == MagickFalse) |
| 1273 | return((Image *) NULL); |
| 1274 | /* |
| 1275 | Destroy image. |
| 1276 | */ |
| 1277 | DestroyImagePixels(image); |
| 1278 | if (image->clip_mask != (Image *) NULL) |
| 1279 | image->clip_mask=DestroyImage(image->clip_mask); |
| 1280 | if (image->mask != (Image *) NULL) |
| 1281 | image->mask=DestroyImage(image->mask); |
| 1282 | if (image->montage != (char *) NULL) |
| 1283 | image->montage=DestroyString(image->montage); |
| 1284 | if (image->directory != (char *) NULL) |
| 1285 | image->directory=DestroyString(image->directory); |
| 1286 | if (image->colormap != (PixelPacket *) NULL) |
| 1287 | image->colormap=(PixelPacket *) RelinquishMagickMemory(image->colormap); |
| 1288 | if (image->geometry != (char *) NULL) |
| 1289 | image->geometry=DestroyString(image->geometry); |
| 1290 | #if !defined(MAGICKCORE_EXCLUDE_DEPRECATED) |
| 1291 | DestroyImageAttributes(image); |
| 1292 | #endif |
| 1293 | DestroyImageProfiles(image); |
| 1294 | DestroyImageProperties(image); |
| 1295 | DestroyImageArtifacts(image); |
| 1296 | if (image->ascii85 != (Ascii85Info*) NULL) |
| 1297 | image->ascii85=(Ascii85Info *) RelinquishMagickMemory(image->ascii85); |
| 1298 | DestroyBlob(image); |
| 1299 | (void) DestroyExceptionInfo(&image->exception); |
| 1300 | if (image->semaphore != (SemaphoreInfo *) NULL) |
| 1301 | DestroySemaphoreInfo(&image->semaphore); |
| 1302 | image->signature=(~MagickSignature); |
| 1303 | image=(Image *) RelinquishMagickMemory(image); |
| 1304 | return(image); |
| 1305 | } |
| 1306 | |
| 1307 | /* |
| 1308 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1309 | % % |
| 1310 | % % |
| 1311 | % % |
| 1312 | % D e s t r o y I m a g e I n f o % |
| 1313 | % % |
| 1314 | % % |
| 1315 | % % |
| 1316 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1317 | % |
| 1318 | % DestroyImageInfo() deallocates memory associated with an ImageInfo |
| 1319 | % structure. |
| 1320 | % |
| 1321 | % The format of the DestroyImageInfo method is: |
| 1322 | % |
| 1323 | % ImageInfo *DestroyImageInfo(ImageInfo *image_info) |
| 1324 | % |
| 1325 | % A description of each parameter follows: |
| 1326 | % |
| 1327 | % o image_info: the image info. |
| 1328 | % |
| 1329 | */ |
| 1330 | MagickExport ImageInfo *DestroyImageInfo(ImageInfo *image_info) |
| 1331 | { |
| 1332 | assert(image_info != (ImageInfo *) NULL); |
| 1333 | assert(image_info->signature == MagickSignature); |
| 1334 | if (image_info->debug != MagickFalse) |
| 1335 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 1336 | image_info->filename); |
| 1337 | if (image_info->size != (char *) NULL) |
| 1338 | image_info->size=DestroyString(image_info->size); |
| 1339 | if (image_info->extract != (char *) NULL) |
| 1340 | image_info->extract=DestroyString(image_info->extract); |
| 1341 | if (image_info->scenes != (char *) NULL) |
| 1342 | image_info->scenes=DestroyString(image_info->scenes); |
| 1343 | if (image_info->page != (char *) NULL) |
| 1344 | image_info->page=DestroyString(image_info->page); |
| 1345 | if (image_info->sampling_factor != (char *) NULL) |
| 1346 | image_info->sampling_factor=DestroyString( |
| 1347 | image_info->sampling_factor); |
| 1348 | if (image_info->server_name != (char *) NULL) |
| 1349 | image_info->server_name=DestroyString( |
| 1350 | image_info->server_name); |
| 1351 | if (image_info->font != (char *) NULL) |
| 1352 | image_info->font=DestroyString(image_info->font); |
| 1353 | if (image_info->texture != (char *) NULL) |
| 1354 | image_info->texture=DestroyString(image_info->texture); |
| 1355 | if (image_info->density != (char *) NULL) |
| 1356 | image_info->density=DestroyString(image_info->density); |
| 1357 | if (image_info->view != (char *) NULL) |
| 1358 | image_info->view=DestroyString(image_info->view); |
| 1359 | if (image_info->authenticate != (char *) NULL) |
| 1360 | image_info->authenticate=DestroyString( |
| 1361 | image_info->authenticate); |
| 1362 | DestroyImageOptions(image_info); |
| 1363 | if (image_info->cache != (void *) NULL) |
| 1364 | image_info->cache=DestroyPixelCache(image_info->cache); |
| 1365 | if (image_info->profile != (StringInfo *) NULL) |
| 1366 | image_info->profile=(void *) DestroyStringInfo((StringInfo *) |
| 1367 | image_info->profile); |
| 1368 | image_info->signature=(~MagickSignature); |
| 1369 | image_info=(ImageInfo *) RelinquishMagickMemory(image_info); |
| 1370 | return(image_info); |
| 1371 | } |
| 1372 | |
| 1373 | /* |
| 1374 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1375 | % % |
| 1376 | % % |
| 1377 | % % |
| 1378 | + D i s a s s o c i a t e I m a g e S t r e a m % |
| 1379 | % % |
| 1380 | % % |
| 1381 | % % |
| 1382 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1383 | % |
| 1384 | % DisassociateImageStream() disassociates the image stream. |
| 1385 | % |
| 1386 | % The format of the DisassociateImageStream method is: |
| 1387 | % |
| 1388 | % MagickBooleanType DisassociateImageStream(const Image *image) |
| 1389 | % |
| 1390 | % A description of each parameter follows: |
| 1391 | % |
| 1392 | % o image: the image. |
| 1393 | % |
| 1394 | */ |
| 1395 | MagickExport void DisassociateImageStream(Image *image) |
| 1396 | { |
| 1397 | assert(image != (const Image *) NULL); |
| 1398 | assert(image->signature == MagickSignature); |
| 1399 | if (image->debug != MagickFalse) |
| 1400 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1401 | (void) DetachBlob(image->blob); |
| 1402 | } |
| 1403 | |
| 1404 | /* |
| 1405 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1406 | % % |
| 1407 | % % |
| 1408 | % % |
| 1409 | % G e t I m a g e A l p h a C h a n n e l % |
| 1410 | % % |
| 1411 | % % |
| 1412 | % % |
| 1413 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1414 | % |
| 1415 | % GetImageAlphaChannel() returns MagickFalse if the image alpha channel is |
| 1416 | % not activated. That is, the image is RGB rather than RGBA or CMYK rather |
| 1417 | % than CMYKA. |
| 1418 | % |
| 1419 | % The format of the GetImageAlphaChannel method is: |
| 1420 | % |
| 1421 | % MagickBooleanType GetImageAlphaChannel(const Image *image) |
| 1422 | % |
| 1423 | % A description of each parameter follows: |
| 1424 | % |
| 1425 | % o image: the image. |
| 1426 | % |
| 1427 | */ |
| 1428 | MagickExport MagickBooleanType GetImageAlphaChannel(const Image *image) |
| 1429 | { |
| 1430 | assert(image != (const Image *) NULL); |
| 1431 | if (image->debug != MagickFalse) |
| 1432 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1433 | assert(image->signature == MagickSignature); |
| 1434 | return(image->matte); |
| 1435 | } |
| 1436 | |
| 1437 | /* |
| 1438 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1439 | % % |
| 1440 | % % |
| 1441 | % % |
| 1442 | % G e t I m a g e C l i p M a s k % |
| 1443 | % % |
| 1444 | % % |
| 1445 | % % |
| 1446 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1447 | % |
| 1448 | % GetImageClipMask() returns the clip path associated with the image. |
| 1449 | % |
| 1450 | % The format of the GetImageClipMask method is: |
| 1451 | % |
| 1452 | % Image *GetImageClipMask(const Image *image,ExceptionInfo *exception) |
| 1453 | % |
| 1454 | % A description of each parameter follows: |
| 1455 | % |
| 1456 | % o image: the image. |
| 1457 | % |
| 1458 | */ |
| 1459 | MagickExport Image *GetImageClipMask(const Image *image, |
| 1460 | ExceptionInfo *exception) |
| 1461 | { |
| 1462 | assert(image != (const Image *) NULL); |
| 1463 | if (image->debug != MagickFalse) |
| 1464 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1465 | assert(image->signature == MagickSignature); |
| 1466 | if (image->clip_mask == (Image *) NULL) |
| 1467 | return((Image *) NULL); |
| 1468 | return(CloneImage(image->clip_mask,0,0,MagickTrue,exception)); |
| 1469 | } |
| 1470 | |
| 1471 | /* |
| 1472 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1473 | % % |
| 1474 | % % |
| 1475 | % % |
| 1476 | % G e t I m a g e E x c e p t i o n % |
| 1477 | % % |
| 1478 | % % |
| 1479 | % % |
| 1480 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1481 | % |
| 1482 | % GetImageException() traverses an image sequence and returns any |
| 1483 | % error more severe than noted by the exception parameter. |
| 1484 | % |
| 1485 | % The format of the GetImageException method is: |
| 1486 | % |
| 1487 | % void GetImageException(Image *image,ExceptionInfo *exception) |
| 1488 | % |
| 1489 | % A description of each parameter follows: |
| 1490 | % |
| 1491 | % o image: Specifies a pointer to a list of one or more images. |
| 1492 | % |
| 1493 | % o exception: return the highest severity exception. |
| 1494 | % |
| 1495 | */ |
| 1496 | MagickExport void GetImageException(Image *image,ExceptionInfo *exception) |
| 1497 | { |
| 1498 | register Image |
| 1499 | *next; |
| 1500 | |
| 1501 | assert(image != (Image *) NULL); |
| 1502 | assert(image->signature == MagickSignature); |
| 1503 | if (image->debug != MagickFalse) |
| 1504 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1505 | assert(exception != (ExceptionInfo *) NULL); |
| 1506 | assert(exception->signature == MagickSignature); |
| 1507 | for (next=image; next != (Image *) NULL; next=GetNextImageInList(next)) |
| 1508 | { |
| 1509 | if (next->exception.severity == UndefinedException) |
| 1510 | continue; |
| 1511 | if (next->exception.severity > exception->severity) |
| 1512 | InheritException(exception,&next->exception); |
| 1513 | next->exception.severity=UndefinedException; |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | /* |
| 1518 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1519 | % % |
| 1520 | % % |
| 1521 | % % |
| 1522 | % G e t I m a g e I n f o % |
| 1523 | % % |
| 1524 | % % |
| 1525 | % % |
| 1526 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1527 | % |
| 1528 | % GetImageInfo() initializes image_info to default values. |
| 1529 | % |
| 1530 | % The format of the GetImageInfo method is: |
| 1531 | % |
| 1532 | % void GetImageInfo(ImageInfo *image_info) |
| 1533 | % |
| 1534 | % A description of each parameter follows: |
| 1535 | % |
| 1536 | % o image_info: the image info. |
| 1537 | % |
| 1538 | */ |
| 1539 | MagickExport void GetImageInfo(ImageInfo *image_info) |
| 1540 | { |
| 1541 | ExceptionInfo |
| 1542 | *exception; |
| 1543 | |
| 1544 | /* |
| 1545 | File and image dimension members. |
| 1546 | */ |
| 1547 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1548 | assert(image_info != (ImageInfo *) NULL); |
| 1549 | (void) ResetMagickMemory(image_info,0,sizeof(*image_info)); |
| 1550 | image_info->adjoin=MagickTrue; |
| 1551 | image_info->interlace=NoInterlace; |
| 1552 | image_info->channel=DefaultChannels; |
| 1553 | image_info->quality=UndefinedCompressionQuality; |
| 1554 | image_info->antialias=MagickTrue; |
| 1555 | image_info->dither=MagickTrue; |
| 1556 | exception=AcquireExceptionInfo(); |
| 1557 | (void) QueryColorDatabase(BackgroundColor,&image_info->background_color, |
| 1558 | exception); |
| 1559 | (void) QueryColorDatabase(BorderColor,&image_info->border_color,exception); |
| 1560 | (void) QueryColorDatabase(MatteColor,&image_info->matte_color,exception); |
| 1561 | (void) QueryColorDatabase(TransparentColor,&image_info->transparent_color, |
| 1562 | exception); |
| 1563 | exception=DestroyExceptionInfo(exception); |
| 1564 | image_info->debug=IsEventLogging(); |
| 1565 | image_info->signature=MagickSignature; |
| 1566 | } |
| 1567 | |
| 1568 | /* |
| 1569 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1570 | % % |
| 1571 | % % |
| 1572 | % % |
| 1573 | % G e t I m a g e M a s k % |
| 1574 | % % |
| 1575 | % % |
| 1576 | % % |
| 1577 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1578 | % |
| 1579 | % GetImageMask() returns the mask associated with the image. |
| 1580 | % |
| 1581 | % The format of the GetImageMask method is: |
| 1582 | % |
| 1583 | % Image *GetImageMask(const Image *image,ExceptionInfo *exception) |
| 1584 | % |
| 1585 | % A description of each parameter follows: |
| 1586 | % |
| 1587 | % o image: the image. |
| 1588 | % |
| 1589 | */ |
| 1590 | MagickExport Image *GetImageMask(const Image *image,ExceptionInfo *exception) |
| 1591 | { |
| 1592 | assert(image != (const Image *) NULL); |
| 1593 | if (image->debug != MagickFalse) |
| 1594 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 1595 | assert(image->signature == MagickSignature); |
| 1596 | if (image->mask == (Image *) NULL) |
| 1597 | return((Image *) NULL); |
| 1598 | return(CloneImage(image->mask,0,0,MagickTrue,exception)); |
| 1599 | } |
| 1600 | |
| 1601 | /* |
| 1602 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1603 | % % |
| 1604 | % % |
| 1605 | % % |
| 1606 | + G e t I m a g e R e f e r e n c e C o u n t % |
| 1607 | % % |
| 1608 | % % |
| 1609 | % % |
| 1610 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1611 | % |
| 1612 | % GetImageReferenceCount() returns the image reference count. |
| 1613 | % |
| 1614 | % The format of the GetReferenceCount method is: |
| 1615 | % |
| 1616 | % long GetImageReferenceCount(Image *image) |
| 1617 | % |
| 1618 | % A description of each parameter follows: |
| 1619 | % |
| 1620 | % o image: the image. |
| 1621 | % |
| 1622 | */ |
| 1623 | MagickExport long GetImageReferenceCount(Image *image) |
| 1624 | { |
| 1625 | long |
| 1626 | reference_count; |
| 1627 | |
| 1628 | assert(image != (Image *) NULL); |
| 1629 | assert(image->signature == MagickSignature); |
| 1630 | if (image->debug != MagickFalse) |
| 1631 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1632 | AcquireSemaphoreInfo(&image->semaphore); |
| 1633 | reference_count=image->reference_count; |
| 1634 | RelinquishSemaphoreInfo(image->semaphore); |
| 1635 | return(reference_count); |
| 1636 | } |
| 1637 | |
| 1638 | /* |
| 1639 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1640 | % % |
| 1641 | % % |
| 1642 | % % |
| 1643 | % G e t I m a g e T y p e % |
| 1644 | % % |
| 1645 | % % |
| 1646 | % % |
| 1647 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1648 | % |
| 1649 | % GetImageType() returns the potential type of image: |
| 1650 | % |
| 1651 | % Bilevel Grayscale GrayscaleMatte |
| 1652 | % Palette PaletteMatte TrueColor |
| 1653 | % TrueColorMatte ColorSeparation ColorSeparationMatte |
| 1654 | % |
| 1655 | % To ensure the image type matches its potential, use SetImageType(): |
| 1656 | % |
| 1657 | % (void) SetImageType(image,GetImageType(image)); |
| 1658 | % |
| 1659 | % The format of the GetImageType method is: |
| 1660 | % |
| 1661 | % ImageType GetImageType(const Image *image,ExceptionInfo *exception) |
| 1662 | % |
| 1663 | % A description of each parameter follows: |
| 1664 | % |
| 1665 | % o image: the image. |
| 1666 | % |
| 1667 | % o exception: return any errors or warnings in this structure. |
| 1668 | % |
| 1669 | */ |
| 1670 | MagickExport ImageType GetImageType(const Image *image,ExceptionInfo *exception) |
| 1671 | { |
| 1672 | assert(image != (Image *) NULL); |
| 1673 | assert(image->signature == MagickSignature); |
| 1674 | if (image->debug != MagickFalse) |
| 1675 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1676 | if (image->colorspace == CMYKColorspace) |
| 1677 | { |
| 1678 | if (image->matte == MagickFalse) |
| 1679 | return(ColorSeparationType); |
| 1680 | return(ColorSeparationMatteType); |
| 1681 | } |
| 1682 | if (IsMonochromeImage(image,exception) != MagickFalse) |
| 1683 | return(BilevelType); |
| 1684 | if (IsGrayImage(image,exception) != MagickFalse) |
| 1685 | { |
| 1686 | if (image->matte != MagickFalse) |
| 1687 | return(GrayscaleMatteType); |
| 1688 | return(GrayscaleType); |
| 1689 | } |
| 1690 | if (IsPaletteImage(image,exception) != MagickFalse) |
| 1691 | { |
| 1692 | if (image->matte != MagickFalse) |
| 1693 | return(PaletteMatteType); |
| 1694 | return(PaletteType); |
| 1695 | } |
| 1696 | if (image->matte != MagickFalse) |
| 1697 | return(TrueColorMatteType); |
| 1698 | return(TrueColorType); |
| 1699 | } |
| 1700 | |
| 1701 | /* |
| 1702 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1703 | % % |
| 1704 | % % |
| 1705 | % % |
| 1706 | % G e t I m a g e V i r t u a l P i x e l M e t h o d % |
| 1707 | % % |
| 1708 | % % |
| 1709 | % % |
| 1710 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1711 | % |
| 1712 | % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the |
| 1713 | % image. A virtual pixel is any pixel access that is outside the boundaries |
| 1714 | % of the image cache. |
| 1715 | % |
| 1716 | % The format of the GetImageVirtualPixelMethod() method is: |
| 1717 | % |
| 1718 | % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image) |
| 1719 | % |
| 1720 | % A description of each parameter follows: |
| 1721 | % |
| 1722 | % o image: the image. |
| 1723 | % |
| 1724 | */ |
| 1725 | MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image) |
| 1726 | { |
| 1727 | assert(image != (Image *) NULL); |
| 1728 | assert(image->signature == MagickSignature); |
| 1729 | if (image->debug != MagickFalse) |
| 1730 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1731 | return(GetPixelCacheVirtualMethod(image)); |
| 1732 | } |
| 1733 | |
| 1734 | /* |
| 1735 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1736 | % % |
| 1737 | % % |
| 1738 | % % |
| 1739 | % I n t e r p r e t I m a g e F i l e n a m e % |
| 1740 | % % |
| 1741 | % % |
| 1742 | % % |
| 1743 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1744 | % |
| 1745 | % InterpretImageFilename() interprets embedded characters in an image filename. |
| 1746 | % The filename length is returned. |
| 1747 | % |
| 1748 | % The format of the InterpretImageFilename method is: |
| 1749 | % |
| 1750 | % size_t InterpretImageFilename(const ImageInfo *image_info, |
| 1751 | % Image *image,const char *format,int value,char *filename) |
| 1752 | % |
| 1753 | % A description of each parameter follows. |
| 1754 | % |
| 1755 | % o image_info: the image info.. |
| 1756 | % |
| 1757 | % o image: the image. |
| 1758 | % |
| 1759 | % o format: A filename describing the format to use to write the numeric |
| 1760 | % argument. Only the first numeric format identifier is replaced. |
| 1761 | % |
| 1762 | % o value: Numeric value to substitute into format filename. |
| 1763 | % |
| 1764 | % o filename: return the formatted filename in this character buffer. |
| 1765 | % |
| 1766 | */ |
| 1767 | MagickExport size_t InterpretImageFilename(const ImageInfo *image_info, |
| 1768 | Image *image,const char *format,int value,char *filename) |
| 1769 | { |
| 1770 | char |
| 1771 | *q; |
| 1772 | |
| 1773 | int |
| 1774 | c; |
| 1775 | |
| 1776 | MagickBooleanType |
| 1777 | canonical; |
| 1778 | |
| 1779 | register const char |
| 1780 | *p; |
| 1781 | |
| 1782 | canonical=MagickFalse; |
| 1783 | (void) CopyMagickString(filename,format,MaxTextExtent); |
| 1784 | for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%')) |
| 1785 | { |
| 1786 | q=(char *) p+1; |
| 1787 | if (*q == '%') |
| 1788 | { |
| 1789 | p=q+1; |
| 1790 | continue; |
| 1791 | } |
| 1792 | if (*q == '0') |
| 1793 | { |
| 1794 | long |
| 1795 | value; |
| 1796 | |
| 1797 | value=strtol(q,&q,10); |
| 1798 | } |
| 1799 | switch (*q) |
| 1800 | { |
| 1801 | case 'd': |
| 1802 | case 'o': |
| 1803 | case 'x': |
| 1804 | { |
| 1805 | q++; |
| 1806 | c=(*q); |
| 1807 | *q='\0'; |
| 1808 | (void) FormatMagickString(filename+(p-format),(size_t) (MaxTextExtent- |
| 1809 | (p-format)),p,value); |
| 1810 | *q=c; |
| 1811 | (void) ConcatenateMagickString(filename,q,MaxTextExtent); |
| 1812 | canonical=MagickTrue; |
| 1813 | if (*(q-1) != '%') |
| 1814 | break; |
| 1815 | p++; |
| 1816 | break; |
| 1817 | } |
| 1818 | case '[': |
| 1819 | { |
| 1820 | char |
| 1821 | pattern[MaxTextExtent]; |
| 1822 | |
| 1823 | const char |
| 1824 | *value; |
| 1825 | |
| 1826 | long |
| 1827 | depth; |
| 1828 | |
| 1829 | register char |
| 1830 | *r; |
| 1831 | |
| 1832 | register long |
| 1833 | i; |
| 1834 | |
| 1835 | /* |
| 1836 | Image option. |
| 1837 | */ |
| 1838 | if (strchr(p,']') == (char *) NULL) |
| 1839 | break; |
| 1840 | depth=1; |
| 1841 | r=q+1; |
| 1842 | for (i=0; (i < (MaxTextExtent-1L)) && (*r != '\0'); i++) |
| 1843 | { |
| 1844 | if (*r == '[') |
| 1845 | depth++; |
| 1846 | if (*r == ']') |
| 1847 | depth--; |
| 1848 | if (depth <= 0) |
| 1849 | break; |
| 1850 | pattern[i]=(*r++); |
| 1851 | } |
| 1852 | pattern[i]='\0'; |
| 1853 | if (LocaleNCompare(pattern,"filename:",9) != 0) |
| 1854 | break; |
| 1855 | value=(const char *) NULL; |
| 1856 | if ((image_info != (const ImageInfo *) NULL) && |
| 1857 | (image != (const Image *) NULL)) |
| 1858 | value=GetMagickProperty(image_info,image,pattern); |
| 1859 | else |
| 1860 | if (image != (Image *) NULL) |
| 1861 | value=GetImageProperty(image,pattern); |
| 1862 | else |
| 1863 | if (image_info != (ImageInfo *) NULL) |
| 1864 | value=GetImageOption(image_info,pattern); |
| 1865 | if (value == (const char *) NULL) |
| 1866 | break; |
| 1867 | q--; |
| 1868 | c=(*q); |
| 1869 | *q='\0'; |
| 1870 | (void) CopyMagickString(filename+(p-format),value,(size_t) |
| 1871 | (MaxTextExtent-(p-format))); |
| 1872 | *q=c; |
| 1873 | (void) ConcatenateMagickString(filename,r+1,MaxTextExtent); |
| 1874 | canonical=MagickTrue; |
| 1875 | if (*(q-1) != '%') |
| 1876 | break; |
| 1877 | p++; |
| 1878 | break; |
| 1879 | } |
| 1880 | default: |
| 1881 | break; |
| 1882 | } |
| 1883 | } |
| 1884 | for (q=filename; *q != '\0'; q++) |
| 1885 | if ((*q == '%') && (*(q+1) == '%')) |
| 1886 | (void) CopyMagickString(q,q+1,(size_t) (MaxTextExtent-(q-filename))); |
| 1887 | if (canonical == MagickFalse) |
| 1888 | (void) CopyMagickString(filename,format,MaxTextExtent); |
| 1889 | return(strlen(filename)); |
| 1890 | } |
| 1891 | |
| 1892 | /* |
| 1893 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1894 | % % |
| 1895 | % % |
| 1896 | % % |
| 1897 | % I s H i g h D y n a m i c R a n g e I m a g e % |
| 1898 | % % |
| 1899 | % % |
| 1900 | % % |
| 1901 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1902 | % |
| 1903 | % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is |
| 1904 | % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16 |
| 1905 | % 0..65535. |
| 1906 | % |
| 1907 | % The format of the IsHighDynamicRangeImage method is: |
| 1908 | % |
| 1909 | % MagickBooleanType IsHighDynamicRangeImage(const Image *image, |
| 1910 | % ExceptionInfo *exception) |
| 1911 | % |
| 1912 | % A description of each parameter follows: |
| 1913 | % |
| 1914 | % o image: the image. |
| 1915 | % |
| 1916 | % o exception: return any errors or warnings in this structure. |
| 1917 | % |
| 1918 | */ |
| 1919 | MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image, |
| 1920 | ExceptionInfo *exception) |
| 1921 | { |
| 1922 | #if !defined(MAGICKCORE_HDRI_SUPPORT) |
| 1923 | (void) image; |
| 1924 | (void) exception; |
| 1925 | return(MagickFalse); |
| 1926 | #else |
| 1927 | CacheView |
| 1928 | *image_view; |
| 1929 | |
| 1930 | long |
| 1931 | y; |
| 1932 | |
| 1933 | MagickBooleanType |
| 1934 | status; |
| 1935 | |
| 1936 | MagickPixelPacket |
| 1937 | zero; |
| 1938 | |
| 1939 | assert(image != (Image *) NULL); |
| 1940 | assert(image->signature == MagickSignature); |
| 1941 | if (image->debug != MagickFalse) |
| 1942 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1943 | status=MagickTrue; |
| 1944 | GetMagickPixelPacket(image,&zero); |
| 1945 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 1946 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 1947 | #pragma omp parallel for schedule(static,1) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1948 | #endif |
| 1949 | for (y=0; y < (long) image->rows; y++) |
| 1950 | { |
| 1951 | MagickPixelPacket |
| 1952 | pixel; |
| 1953 | |
| 1954 | register const IndexPacket |
| 1955 | *indexes; |
| 1956 | |
| 1957 | register const PixelPacket |
| 1958 | *p; |
| 1959 | |
| 1960 | register long |
| 1961 | x; |
| 1962 | |
| 1963 | if (status == MagickFalse) |
| 1964 | continue; |
| 1965 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1966 | if (p == (const PixelPacket *) NULL) |
| 1967 | { |
| 1968 | status=MagickFalse; |
| 1969 | continue; |
| 1970 | } |
| 1971 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 1972 | pixel=zero; |
| 1973 | for (x=0; x < (long) image->columns; x++) |
| 1974 | { |
| 1975 | SetMagickPixelPacket(image,p,indexes+x,&pixel); |
| 1976 | if ((pixel.red < 0.0) || (pixel.red > QuantumRange) || |
| 1977 | (pixel.red != (QuantumAny) pixel.red)) |
| 1978 | break; |
| 1979 | if ((pixel.green < 0.0) || (pixel.green > QuantumRange) || |
| 1980 | (pixel.green != (QuantumAny) pixel.green)) |
| 1981 | break; |
| 1982 | if ((pixel.blue < 0.0) || (pixel.blue > QuantumRange) || |
| 1983 | (pixel.blue != (QuantumAny) pixel.blue)) |
| 1984 | break; |
| 1985 | if (pixel.matte != MagickFalse) |
| 1986 | { |
| 1987 | if ((pixel.opacity < 0.0) || (pixel.opacity > QuantumRange) || |
| 1988 | (pixel.opacity != (QuantumAny) pixel.opacity)) |
| 1989 | break; |
| 1990 | } |
| 1991 | if (pixel.colorspace == CMYKColorspace) |
| 1992 | { |
| 1993 | if ((pixel.index < 0.0) || (pixel.index > QuantumRange) || |
| 1994 | (pixel.index != (QuantumAny) pixel.index)) |
| 1995 | break; |
| 1996 | } |
| 1997 | p++; |
| 1998 | } |
| 1999 | if (x < (long) image->columns) |
| 2000 | status=MagickFalse; |
| 2001 | } |
| 2002 | image_view=DestroyCacheView(image_view); |
| 2003 | return(status != MagickFalse ? MagickFalse : MagickTrue); |
| 2004 | #endif |
| 2005 | } |
| 2006 | |
| 2007 | /* |
| 2008 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2009 | % % |
| 2010 | % % |
| 2011 | % % |
| 2012 | % I s I m a g e O b j e c t % |
| 2013 | % % |
| 2014 | % % |
| 2015 | % % |
| 2016 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2017 | % |
| 2018 | % IsImageObject() returns MagickTrue if the image sequence contains a valid |
| 2019 | % set of image objects. |
| 2020 | % |
| 2021 | % The format of the IsImageObject method is: |
| 2022 | % |
| 2023 | % MagickBooleanType IsImageObject(const Image *image) |
| 2024 | % |
| 2025 | % A description of each parameter follows: |
| 2026 | % |
| 2027 | % o image: the image. |
| 2028 | % |
| 2029 | */ |
| 2030 | MagickExport MagickBooleanType IsImageObject(const Image *image) |
| 2031 | { |
| 2032 | register const Image |
| 2033 | *p; |
| 2034 | |
| 2035 | assert(image != (Image *) NULL); |
| 2036 | if (image->debug != MagickFalse) |
| 2037 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2038 | for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) |
| 2039 | if (p->signature != MagickSignature) |
| 2040 | return(MagickFalse); |
| 2041 | return(MagickTrue); |
| 2042 | } |
| 2043 | |
| 2044 | /* |
| 2045 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2046 | % % |
| 2047 | % % |
| 2048 | % % |
| 2049 | % I s T a i n t I m a g e % |
| 2050 | % % |
| 2051 | % % |
| 2052 | % % |
| 2053 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2054 | % |
| 2055 | % IsTaintImage() returns MagickTrue any pixel in the image has been altered |
| 2056 | % since it was first constituted. |
| 2057 | % |
| 2058 | % The format of the IsTaintImage method is: |
| 2059 | % |
| 2060 | % MagickBooleanType IsTaintImage(const Image *image) |
| 2061 | % |
| 2062 | % A description of each parameter follows: |
| 2063 | % |
| 2064 | % o image: the image. |
| 2065 | % |
| 2066 | */ |
| 2067 | MagickExport MagickBooleanType IsTaintImage(const Image *image) |
| 2068 | { |
| 2069 | char |
| 2070 | magick[MaxTextExtent], |
| 2071 | filename[MaxTextExtent]; |
| 2072 | |
| 2073 | register const Image |
| 2074 | *p; |
| 2075 | |
| 2076 | assert(image != (Image *) NULL); |
| 2077 | if (image->debug != MagickFalse) |
| 2078 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2079 | assert(image->signature == MagickSignature); |
| 2080 | (void) CopyMagickString(magick,image->magick,MaxTextExtent); |
| 2081 | (void) CopyMagickString(filename,image->filename,MaxTextExtent); |
| 2082 | for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) |
| 2083 | { |
| 2084 | if (p->taint != MagickFalse) |
| 2085 | return(MagickTrue); |
| 2086 | if (LocaleCompare(p->magick,magick) != 0) |
| 2087 | return(MagickTrue); |
| 2088 | if (LocaleCompare(p->filename,filename) != 0) |
| 2089 | return(MagickTrue); |
| 2090 | } |
| 2091 | return(MagickFalse); |
| 2092 | } |
| 2093 | |
| 2094 | /* |
| 2095 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2096 | % % |
| 2097 | % % |
| 2098 | % % |
| 2099 | % M o d i f y I m a g e % |
| 2100 | % % |
| 2101 | % % |
| 2102 | % % |
| 2103 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2104 | % |
| 2105 | % ModifyImage() ensures that there is only a single reference to the image |
| 2106 | % to be modified, updating the provided image pointer to point to a clone of |
| 2107 | % the original image if necessary. |
| 2108 | % |
| 2109 | % The format of the ModifyImage method is: |
| 2110 | % |
| 2111 | % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception) |
| 2112 | % |
| 2113 | % A description of each parameter follows: |
| 2114 | % |
| 2115 | % o image: the image. |
| 2116 | % |
| 2117 | % o exception: return any errors or warnings in this structure. |
| 2118 | % |
| 2119 | */ |
| 2120 | MagickExport MagickBooleanType ModifyImage(Image **image, |
| 2121 | ExceptionInfo *exception) |
| 2122 | { |
| 2123 | Image |
| 2124 | *clone_image; |
| 2125 | |
| 2126 | assert(image != (Image **) NULL); |
| 2127 | assert(*image != (Image *) NULL); |
| 2128 | assert((*image)->signature == MagickSignature); |
| 2129 | if ((*image)->debug != MagickFalse) |
| 2130 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename); |
| 2131 | if (GetImageReferenceCount(*image) <= 1) |
| 2132 | return(MagickTrue); |
| 2133 | clone_image=CloneImage(*image,0,0,MagickTrue,exception); |
| 2134 | AcquireSemaphoreInfo(&(*image)->semaphore); |
| 2135 | (*image)->reference_count--; |
| 2136 | RelinquishSemaphoreInfo((*image)->semaphore); |
| 2137 | *image=clone_image; |
| 2138 | return(MagickTrue); |
| 2139 | } |
| 2140 | |
| 2141 | /* |
| 2142 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2143 | % % |
| 2144 | % % |
| 2145 | % % |
| 2146 | % N e w M a g i c k I m a g e % |
| 2147 | % % |
| 2148 | % % |
| 2149 | % % |
| 2150 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2151 | % |
| 2152 | % NewMagickImage() creates a blank image canvas of the specified size and |
| 2153 | % background color. |
| 2154 | % |
| 2155 | % The format of the NewMagickImage method is: |
| 2156 | % |
| 2157 | % Image *NewMagickImage(const ImageInfo *image_info, |
| 2158 | % const unsigned long width,const unsigned long height, |
| 2159 | % const MagickPixelPacket *background) |
| 2160 | % |
| 2161 | % A description of each parameter follows: |
| 2162 | % |
| 2163 | % o image: the image. |
| 2164 | % |
| 2165 | % o width: the image width. |
| 2166 | % |
| 2167 | % o height: the image height. |
| 2168 | % |
| 2169 | % o background: the image color. |
| 2170 | % |
| 2171 | */ |
| 2172 | MagickExport Image *NewMagickImage(const ImageInfo *image_info, |
| 2173 | const unsigned long width,const unsigned long height, |
| 2174 | const MagickPixelPacket *background) |
| 2175 | { |
| 2176 | CacheView |
| 2177 | *image_view; |
| 2178 | |
| 2179 | ExceptionInfo |
| 2180 | *exception; |
| 2181 | |
| 2182 | Image |
| 2183 | *image; |
| 2184 | |
| 2185 | long |
| 2186 | y; |
| 2187 | |
| 2188 | MagickBooleanType |
| 2189 | status; |
| 2190 | |
| 2191 | assert(image_info != (const ImageInfo *) NULL); |
| 2192 | if (image_info->debug != MagickFalse) |
| 2193 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2194 | assert(image_info->signature == MagickSignature); |
| 2195 | assert(background != (const MagickPixelPacket *) NULL); |
| 2196 | image=AcquireImage(image_info); |
| 2197 | image->columns=width; |
| 2198 | image->rows=height; |
| 2199 | image->colorspace=background->colorspace; |
| 2200 | image->matte=background->matte; |
| 2201 | image->fuzz=background->fuzz; |
| 2202 | image->depth=background->depth; |
| 2203 | status=MagickTrue; |
| 2204 | exception=(&image->exception); |
| 2205 | image_view=AcquireCacheView(image); |
| 2206 | for (y=0; y < (long) image->rows; y++) |
| 2207 | { |
| 2208 | register IndexPacket |
| 2209 | *__restrict indexes; |
| 2210 | |
| 2211 | register long |
| 2212 | x; |
| 2213 | |
| 2214 | register PixelPacket |
| 2215 | *__restrict q; |
| 2216 | |
| 2217 | q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 2218 | if (q == (PixelPacket *) NULL) |
| 2219 | { |
| 2220 | status=MagickFalse; |
| 2221 | continue; |
| 2222 | } |
| 2223 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2224 | for (x=0; x < (long) image->columns; x++) |
| 2225 | { |
| 2226 | SetPixelPacket(image,background,q,indexes+x); |
| 2227 | q++; |
| 2228 | } |
| 2229 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 2230 | status=MagickFalse; |
| 2231 | if (status == MagickFalse) |
| 2232 | break; |
| 2233 | } |
| 2234 | image_view=DestroyCacheView(image_view); |
| 2235 | if (status == MagickFalse) |
| 2236 | image=DestroyImage(image); |
| 2237 | return(image); |
| 2238 | } |
| 2239 | |
| 2240 | /* |
| 2241 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2242 | % % |
| 2243 | % % |
| 2244 | % % |
| 2245 | % R e f e r e n c e I m a g e % |
| 2246 | % % |
| 2247 | % % |
| 2248 | % % |
| 2249 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2250 | % |
| 2251 | % ReferenceImage() increments the reference count associated with an image |
| 2252 | % returning a pointer to the image. |
| 2253 | % |
| 2254 | % The format of the ReferenceImage method is: |
| 2255 | % |
| 2256 | % Image *ReferenceImage(Image *image) |
| 2257 | % |
| 2258 | % A description of each parameter follows: |
| 2259 | % |
| 2260 | % o image: the image. |
| 2261 | % |
| 2262 | */ |
| 2263 | MagickExport Image *ReferenceImage(Image *image) |
| 2264 | { |
| 2265 | assert(image != (Image *) NULL); |
| 2266 | if (image->debug != MagickFalse) |
| 2267 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2268 | assert(image->signature == MagickSignature); |
| 2269 | (void) LockSemaphoreInfo(image->semaphore); |
| 2270 | image->reference_count++; |
| 2271 | (void) UnlockSemaphoreInfo(image->semaphore); |
| 2272 | return(image); |
| 2273 | } |
| 2274 | |
| 2275 | /* |
| 2276 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2277 | % % |
| 2278 | % % |
| 2279 | % % |
| 2280 | % R e s e t I m a g e P a g e % |
| 2281 | % % |
| 2282 | % % |
| 2283 | % % |
| 2284 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2285 | % |
| 2286 | % ResetImagePage() resets the image page canvas and position. |
| 2287 | % |
| 2288 | % The format of the ResetImagePage method is: |
| 2289 | % |
| 2290 | % MagickBooleanType ResetImagePage(Image *image,const char *page) |
| 2291 | % |
| 2292 | % A description of each parameter follows: |
| 2293 | % |
| 2294 | % o image: the image. |
| 2295 | % |
| 2296 | % o page: the relative page specification. |
| 2297 | % |
| 2298 | */ |
| 2299 | MagickExport MagickBooleanType ResetImagePage(Image *image,const char *page) |
| 2300 | { |
| 2301 | MagickStatusType |
| 2302 | flags; |
| 2303 | |
| 2304 | RectangleInfo |
| 2305 | geometry; |
| 2306 | |
| 2307 | assert(image != (Image *) NULL); |
| 2308 | assert(image->signature == MagickSignature); |
| 2309 | if (image->debug != MagickFalse) |
| 2310 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2311 | flags=ParseAbsoluteGeometry(page,&geometry); |
| 2312 | if ((flags & WidthValue) != 0) |
| 2313 | { |
| 2314 | if ((flags & HeightValue) == 0) |
| 2315 | geometry.height=geometry.width; |
| 2316 | image->page.width=geometry.width; |
| 2317 | image->page.height=geometry.height; |
| 2318 | } |
| 2319 | if ((flags & AspectValue) != 0) |
| 2320 | { |
| 2321 | if ((flags & XValue) != 0) |
| 2322 | image->page.x+=geometry.x; |
| 2323 | if ((flags & YValue) != 0) |
| 2324 | image->page.y+=geometry.y; |
| 2325 | } |
| 2326 | else |
| 2327 | { |
| 2328 | if ((flags & XValue) != 0) |
| 2329 | { |
| 2330 | image->page.x=geometry.x; |
| 2331 | if ((image->page.width == 0) && (geometry.x > 0)) |
| 2332 | image->page.width=image->columns+geometry.x; |
| 2333 | } |
| 2334 | if ((flags & YValue) != 0) |
| 2335 | { |
| 2336 | image->page.y=geometry.y; |
| 2337 | if ((image->page.height == 0) && (geometry.y > 0)) |
| 2338 | image->page.height=image->rows+geometry.y; |
| 2339 | } |
| 2340 | } |
| 2341 | return(MagickTrue); |
| 2342 | } |
| 2343 | |
| 2344 | /* |
| 2345 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2346 | % % |
| 2347 | % % |
| 2348 | % % |
| 2349 | % S e p a r a t e I m a g e C h a n n e l % |
| 2350 | % % |
| 2351 | % % |
| 2352 | % % |
| 2353 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2354 | % |
| 2355 | % SeparateImageChannel() separates a channel from the image and returns it as |
| 2356 | % a grayscale image. A channel is a particular color component of each pixel |
| 2357 | % in the image. |
| 2358 | % |
| 2359 | % The format of the SeparateImageChannel method is: |
| 2360 | % |
| 2361 | % MagickBooleanType SeparateImageChannel(Image *image, |
| 2362 | % const ChannelType channel) |
| 2363 | % |
| 2364 | % A description of each parameter follows: |
| 2365 | % |
| 2366 | % o image: the image. |
| 2367 | % |
| 2368 | % o channel: Identify which channel to extract: RedChannel, GreenChannel, |
| 2369 | % BlueChannel, OpacityChannel, CyanChannel, MagentaChannel, |
| 2370 | % YellowChannel, or BlackChannel. |
| 2371 | % |
| 2372 | */ |
| 2373 | MagickExport MagickBooleanType SeparateImageChannel(Image *image, |
| 2374 | const ChannelType channel) |
| 2375 | { |
| 2376 | #define SeparateImageTag "Separate/Image" |
| 2377 | |
| 2378 | CacheView |
| 2379 | *image_view; |
| 2380 | |
| 2381 | ExceptionInfo |
| 2382 | *exception; |
| 2383 | |
| 2384 | long |
| 2385 | progress, |
| 2386 | y; |
| 2387 | |
| 2388 | MagickBooleanType |
| 2389 | status; |
| 2390 | |
| 2391 | assert(image != (Image *) NULL); |
| 2392 | assert(image->signature == MagickSignature); |
| 2393 | if (image->debug != MagickFalse) |
| 2394 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2395 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 2396 | return(MagickFalse); |
| 2397 | /* |
| 2398 | Separate image channels. |
| 2399 | */ |
| 2400 | status=MagickTrue; |
| 2401 | if ( channel == GrayChannels ) |
| 2402 | image->matte=MagickTrue; |
| 2403 | progress=0; |
| 2404 | exception=(&image->exception); |
| 2405 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 2406 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 2407 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2408 | #endif |
| 2409 | for (y=0; y < (long) image->rows; y++) |
| 2410 | { |
| 2411 | register IndexPacket |
| 2412 | *__restrict indexes; |
| 2413 | |
| 2414 | register long |
| 2415 | x; |
| 2416 | |
| 2417 | register PixelPacket |
| 2418 | *__restrict q; |
| 2419 | |
| 2420 | if (status == MagickFalse) |
| 2421 | continue; |
| 2422 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 2423 | if (q == (PixelPacket *) NULL) |
| 2424 | { |
| 2425 | status=MagickFalse; |
| 2426 | continue; |
| 2427 | } |
| 2428 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2429 | switch (channel) |
| 2430 | { |
| 2431 | case RedChannel: |
| 2432 | { |
| 2433 | for (x=0; x < (long) image->columns; x++) |
| 2434 | { |
| 2435 | q->green=q->red; |
| 2436 | q->blue=q->red; |
| 2437 | q++; |
| 2438 | } |
| 2439 | break; |
| 2440 | } |
| 2441 | case GreenChannel: |
| 2442 | { |
| 2443 | for (x=0; x < (long) image->columns; x++) |
| 2444 | { |
| 2445 | q->red=q->green; |
| 2446 | q->blue=q->green; |
| 2447 | q++; |
| 2448 | } |
| 2449 | break; |
| 2450 | } |
| 2451 | case BlueChannel: |
| 2452 | { |
| 2453 | for (x=0; x < (long) image->columns; x++) |
| 2454 | { |
| 2455 | q->red=q->blue; |
| 2456 | q->green=q->blue; |
| 2457 | q++; |
| 2458 | } |
| 2459 | break; |
| 2460 | } |
| 2461 | case OpacityChannel: |
| 2462 | { |
| 2463 | for (x=0; x < (long) image->columns; x++) |
| 2464 | { |
| 2465 | q->red=q->opacity; |
| 2466 | q->green=q->opacity; |
| 2467 | q->blue=q->opacity; |
| 2468 | q++; |
| 2469 | } |
| 2470 | break; |
| 2471 | } |
| 2472 | case BlackChannel: |
| 2473 | { |
| 2474 | if ((image->storage_class != PseudoClass) && |
| 2475 | (image->colorspace != CMYKColorspace)) |
| 2476 | break; |
| 2477 | for (x=0; x < (long) image->columns; x++) |
| 2478 | { |
| 2479 | q->red=indexes[x]; |
| 2480 | q->green=indexes[x]; |
| 2481 | q->blue=indexes[x]; |
| 2482 | q++; |
| 2483 | } |
| 2484 | break; |
| 2485 | } |
| 2486 | case TrueAlphaChannel: |
| 2487 | { |
| 2488 | for (x=0; x < (long) image->columns; x++) |
| 2489 | { |
| 2490 | q->red=(Quantum) (QuantumRange-q->opacity); |
| 2491 | q->green=(Quantum) (QuantumRange-q->opacity); |
| 2492 | q->blue=(Quantum) (QuantumRange-q->opacity); |
| 2493 | q++; |
| 2494 | } |
| 2495 | break; |
| 2496 | } |
| 2497 | case GrayChannels: |
| 2498 | { |
| 2499 | for (x=0; x < (long) image->columns; x++) |
| 2500 | { |
| 2501 | q->opacity=(Quantum) (QuantumRange-PixelIntensityToQuantum(q)); |
| 2502 | q++; |
| 2503 | } |
| 2504 | break; |
| 2505 | } |
| 2506 | default: |
| 2507 | break; |
| 2508 | } |
| 2509 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 2510 | status=MagickFalse; |
| 2511 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2512 | { |
| 2513 | MagickBooleanType |
| 2514 | proceed; |
| 2515 | |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 2516 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2517 | #pragma omp critical (MagickCore_SeparateImageChannel) |
| 2518 | #endif |
| 2519 | proceed=SetImageProgress(image,SeparateImageTag,progress++,image->rows); |
| 2520 | if (proceed == MagickFalse) |
| 2521 | status=MagickFalse; |
| 2522 | } |
| 2523 | } |
| 2524 | image_view=DestroyCacheView(image_view); |
| 2525 | if ( channel != GrayChannels ) |
| 2526 | image->matte=MagickFalse; |
| 2527 | (void) SetImageColorspace(image,RGBColorspace); |
| 2528 | return(status); |
| 2529 | } |
| 2530 | |
| 2531 | /* |
| 2532 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2533 | % % |
| 2534 | % % |
| 2535 | % % |
| 2536 | % S e p a r a t e I m a g e s % |
| 2537 | % % |
| 2538 | % % |
| 2539 | % % |
| 2540 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2541 | % |
| 2542 | % SeparateImages() returns a separate grayscale image for each channel |
| 2543 | % specified. |
| 2544 | % |
| 2545 | % The format of the SeparateImages method is: |
| 2546 | % |
| 2547 | % MagickBooleanType SeparateImages(const Image *image, |
| 2548 | % const ChannelType channel,ExceptionInfo *exception) |
| 2549 | % |
| 2550 | % A description of each parameter follows: |
| 2551 | % |
| 2552 | % o image: the image. |
| 2553 | % |
| 2554 | % o channel: Identify which channels to extract: RedChannel, GreenChannel, |
| 2555 | % BlueChannel, OpacityChannel, CyanChannel, MagentaChannel, |
| 2556 | % YellowChannel, or BlackChannel. |
| 2557 | % |
| 2558 | % o exception: return any errors or warnings in this structure. |
| 2559 | % |
| 2560 | */ |
| 2561 | MagickExport Image *SeparateImages(const Image *image,const ChannelType channel, |
| 2562 | ExceptionInfo *exception) |
| 2563 | { |
| 2564 | Image |
| 2565 | *images, |
| 2566 | *separate_image; |
| 2567 | |
| 2568 | assert(image != (Image *) NULL); |
| 2569 | assert(image->signature == MagickSignature); |
| 2570 | if (image->debug != MagickFalse) |
| 2571 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2572 | images=NewImageList(); |
| 2573 | if ((channel & RedChannel) != 0) |
| 2574 | { |
| 2575 | separate_image=CloneImage(image,0,0,MagickTrue,exception); |
| 2576 | (void) SeparateImageChannel(separate_image,RedChannel); |
| 2577 | AppendImageToList(&images,separate_image); |
| 2578 | } |
| 2579 | if ((channel & GreenChannel) != 0) |
| 2580 | { |
| 2581 | separate_image=CloneImage(image,0,0,MagickTrue,exception); |
| 2582 | (void) SeparateImageChannel(separate_image,GreenChannel); |
| 2583 | AppendImageToList(&images,separate_image); |
| 2584 | } |
| 2585 | if ((channel & BlueChannel) != 0) |
| 2586 | { |
| 2587 | separate_image=CloneImage(image,0,0,MagickTrue,exception); |
| 2588 | (void) SeparateImageChannel(separate_image,BlueChannel); |
| 2589 | AppendImageToList(&images,separate_image); |
| 2590 | } |
| 2591 | if (((channel & BlackChannel) != 0) && (image->colorspace == CMYKColorspace)) |
| 2592 | { |
| 2593 | separate_image=CloneImage(image,0,0,MagickTrue,exception); |
| 2594 | (void) SeparateImageChannel(separate_image,BlackChannel); |
| 2595 | AppendImageToList(&images,separate_image); |
| 2596 | } |
| 2597 | if ((channel & OpacityChannel) != 0) |
| 2598 | { |
| 2599 | separate_image=CloneImage(image,0,0,MagickTrue,exception); |
| 2600 | (void) SeparateImageChannel(separate_image,OpacityChannel); |
| 2601 | AppendImageToList(&images,separate_image); |
| 2602 | } |
| 2603 | return(images); |
| 2604 | } |
| 2605 | |
| 2606 | /* |
| 2607 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2608 | % % |
| 2609 | % % |
| 2610 | % % |
| 2611 | % S e t I m a g e A l p h a C h a n n e l % |
| 2612 | % % |
| 2613 | % % |
| 2614 | % % |
| 2615 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2616 | % |
| 2617 | % SetImageAlphaChannel() activates, deactivates, resets, or sets the alpha |
| 2618 | % channel. |
| 2619 | % |
| 2620 | % The format of the SetImageAlphaChannel method is: |
| 2621 | % |
| 2622 | % MagickBooleanType SetImageAlphaChannel(Image *image, |
| 2623 | % const AlphaChannelType alpha_type) |
| 2624 | % |
| 2625 | % A description of each parameter follows: |
| 2626 | % |
| 2627 | % o image: the image. |
| 2628 | % |
| 2629 | % o alpha_type: The alpha channel type: ActivateAlphaChannel, |
| 2630 | % CopyAlphaChannel, DeactivateAlphaChannel, ExtractAlphaChannel, |
| 2631 | % OpaqueAlphaChannel, ResetAlphaChannel, SetAlphaChannel, |
| 2632 | % ShapeAlphaChannel, and TransparentAlphaChannel. |
| 2633 | % |
| 2634 | */ |
| 2635 | MagickExport MagickBooleanType SetImageAlphaChannel(Image *image, |
| 2636 | const AlphaChannelType alpha_type) |
| 2637 | { |
| 2638 | MagickBooleanType |
| 2639 | status; |
| 2640 | |
| 2641 | assert(image != (Image *) NULL); |
| 2642 | if (image->debug != MagickFalse) |
| 2643 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2644 | assert(image->signature == MagickSignature); |
| 2645 | status=MagickFalse; |
| 2646 | switch (alpha_type) |
| 2647 | { |
| 2648 | case ActivateAlphaChannel: |
| 2649 | { |
| 2650 | image->matte=MagickTrue; |
| 2651 | break; |
| 2652 | } |
| 2653 | case BackgroundAlphaChannel: |
| 2654 | { |
| 2655 | CacheView |
| 2656 | *image_view; |
| 2657 | |
| 2658 | ExceptionInfo |
| 2659 | *exception; |
| 2660 | |
| 2661 | IndexPacket |
| 2662 | index; |
| 2663 | |
| 2664 | long |
| 2665 | y; |
| 2666 | |
| 2667 | MagickBooleanType |
| 2668 | status; |
| 2669 | |
| 2670 | MagickPixelPacket |
| 2671 | background; |
| 2672 | |
| 2673 | PixelPacket |
| 2674 | pixel; |
| 2675 | |
| 2676 | /* |
| 2677 | Set transparent pixels to background color. |
| 2678 | */ |
| 2679 | if (image->matte == MagickFalse) |
| 2680 | break; |
| 2681 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 2682 | break; |
| 2683 | GetMagickPixelPacket(image,&background); |
| 2684 | SetMagickPixelPacket(image,&image->background_color,(const IndexPacket *) |
| 2685 | NULL,&background); |
| 2686 | if (image->colorspace == CMYKColorspace) |
| 2687 | ConvertRGBToCMYK(&background); |
| 2688 | index=0; |
| 2689 | SetPixelPacket(image,&background,&pixel,&index); |
| 2690 | status=MagickTrue; |
| 2691 | exception=(&image->exception); |
| 2692 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 2693 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 2694 | #pragma omp parallel for schedule(static,1) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2695 | #endif |
| 2696 | for (y=0; y < (long) image->rows; y++) |
| 2697 | { |
| 2698 | register IndexPacket |
| 2699 | *__restrict indexes; |
| 2700 | |
| 2701 | register long |
| 2702 | x; |
| 2703 | |
| 2704 | register PixelPacket |
| 2705 | *__restrict q; |
| 2706 | |
| 2707 | if (status == MagickFalse) |
| 2708 | continue; |
| 2709 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, |
| 2710 | exception); |
| 2711 | if (q == (PixelPacket *) NULL) |
| 2712 | { |
| 2713 | status=MagickFalse; |
| 2714 | continue; |
| 2715 | } |
| 2716 | for (x=0; x < (long) image->columns; x++) |
| 2717 | { |
| 2718 | if (q->opacity == TransparentOpacity) |
| 2719 | { |
| 2720 | q->red=pixel.red; |
| 2721 | q->green=pixel.green; |
| 2722 | q->blue=pixel.blue; |
| 2723 | } |
| 2724 | q++; |
| 2725 | } |
| 2726 | if (image->colorspace == CMYKColorspace) |
| 2727 | { |
| 2728 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2729 | for (x=0; x < (long) image->columns; x++) |
| 2730 | indexes[x]=index; |
| 2731 | } |
| 2732 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 2733 | status=MagickFalse; |
| 2734 | } |
| 2735 | image_view=DestroyCacheView(image_view); |
| 2736 | return(status); |
| 2737 | } |
| 2738 | case DeactivateAlphaChannel: |
| 2739 | { |
| 2740 | image->matte=MagickFalse; |
| 2741 | break; |
| 2742 | } |
| 2743 | case ShapeAlphaChannel: |
| 2744 | case CopyAlphaChannel: |
| 2745 | { |
| 2746 | /* |
| 2747 | Special usage case for SeparateImageChannel(): copy grayscale color to |
| 2748 | the alpha channel. |
| 2749 | */ |
| 2750 | status=SeparateImageChannel(image,GrayChannels); |
| 2751 | image->matte=MagickTrue; /* make sure transparency is now on! */ |
| 2752 | if (alpha_type == ShapeAlphaChannel) |
| 2753 | { |
| 2754 | MagickPixelPacket |
| 2755 | background; |
| 2756 | |
| 2757 | /* |
| 2758 | Reset all color channels to background color. |
| 2759 | */ |
| 2760 | GetMagickPixelPacket(image,&background); |
| 2761 | SetMagickPixelPacket(image,&(image->background_color),(IndexPacket *) |
| 2762 | NULL,&background); |
cristy | 308b4e6 | 2009-09-21 14:40:44 +0000 | [diff] [blame^] | 2763 | (void) LevelColorsImage(image,&background,&background,MagickTrue); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2764 | } |
| 2765 | break; |
| 2766 | } |
| 2767 | case ExtractAlphaChannel: |
| 2768 | { |
| 2769 | status=SeparateImageChannel(image,TrueAlphaChannel); |
| 2770 | image->matte=MagickFalse; |
| 2771 | break; |
| 2772 | } |
| 2773 | case ResetAlphaChannel: |
| 2774 | case OpaqueAlphaChannel: |
| 2775 | { |
| 2776 | status=SetImageOpacity(image,OpaqueOpacity); |
| 2777 | image->matte=MagickTrue; |
| 2778 | break; |
| 2779 | } |
| 2780 | case TransparentAlphaChannel: |
| 2781 | { |
| 2782 | status=SetImageOpacity(image,TransparentOpacity); |
| 2783 | image->matte=MagickTrue; |
| 2784 | break; |
| 2785 | } |
| 2786 | case SetAlphaChannel: |
| 2787 | { |
| 2788 | if (image->matte == MagickFalse) |
| 2789 | { |
| 2790 | status=SetImageOpacity(image,OpaqueOpacity); |
| 2791 | image->matte=MagickTrue; |
| 2792 | } |
| 2793 | break; |
| 2794 | } |
| 2795 | case UndefinedAlphaChannel: |
| 2796 | break; |
| 2797 | } |
| 2798 | return(status); |
| 2799 | } |
| 2800 | |
| 2801 | /* |
| 2802 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2803 | % % |
| 2804 | % % |
| 2805 | % % |
| 2806 | % S e t I m a g e B a c k g r o u n d C o l o r % |
| 2807 | % % |
| 2808 | % % |
| 2809 | % % |
| 2810 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2811 | % |
| 2812 | % SetImageBackgroundColor() initializes the image pixels to the image |
| 2813 | % background color. The background color is defined by the background_color |
| 2814 | % member of the image structure. |
| 2815 | % |
| 2816 | % The format of the SetImage method is: |
| 2817 | % |
| 2818 | % MagickBooleanType SetImageBackgroundColor(Image *image) |
| 2819 | % |
| 2820 | % A description of each parameter follows: |
| 2821 | % |
| 2822 | % o image: the image. |
| 2823 | % |
| 2824 | */ |
| 2825 | MagickExport MagickBooleanType SetImageBackgroundColor(Image *image) |
| 2826 | { |
| 2827 | CacheView |
| 2828 | *image_view; |
| 2829 | |
| 2830 | ExceptionInfo |
| 2831 | *exception; |
| 2832 | |
| 2833 | IndexPacket |
| 2834 | index; |
| 2835 | |
| 2836 | long |
| 2837 | y; |
| 2838 | |
| 2839 | MagickBooleanType |
| 2840 | status; |
| 2841 | |
| 2842 | MagickPixelPacket |
| 2843 | background; |
| 2844 | |
| 2845 | PixelPacket |
| 2846 | pixel; |
| 2847 | |
| 2848 | assert(image != (Image *) NULL); |
| 2849 | if (image->debug != MagickFalse) |
| 2850 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2851 | assert(image->signature == MagickSignature); |
| 2852 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 2853 | return(MagickFalse); |
| 2854 | if (image->background_color.opacity != OpaqueOpacity) |
| 2855 | image->matte=MagickTrue; |
| 2856 | GetMagickPixelPacket(image,&background); |
| 2857 | SetMagickPixelPacket(image,&image->background_color,(const IndexPacket *) |
| 2858 | NULL,&background); |
| 2859 | if (image->colorspace == CMYKColorspace) |
| 2860 | ConvertRGBToCMYK(&background); |
| 2861 | index=0; |
| 2862 | SetPixelPacket(image,&background,&pixel,&index); |
| 2863 | /* |
| 2864 | Set image background color. |
| 2865 | */ |
| 2866 | status=MagickTrue; |
| 2867 | exception=(&image->exception); |
| 2868 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 2869 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 2870 | #pragma omp parallel for schedule(static,1) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2871 | #endif |
| 2872 | for (y=0; y < (long) image->rows; y++) |
| 2873 | { |
| 2874 | register IndexPacket |
| 2875 | *__restrict indexes; |
| 2876 | |
| 2877 | register long |
| 2878 | x; |
| 2879 | |
| 2880 | register PixelPacket |
| 2881 | *__restrict q; |
| 2882 | |
| 2883 | if (status == MagickFalse) |
| 2884 | continue; |
| 2885 | q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 2886 | if (q == (PixelPacket *) NULL) |
| 2887 | { |
| 2888 | status=MagickFalse; |
| 2889 | continue; |
| 2890 | } |
| 2891 | for (x=0; x < (long) image->columns; x++) |
| 2892 | *q++=pixel; |
| 2893 | if (image->colorspace == CMYKColorspace) |
| 2894 | { |
| 2895 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2896 | for (x=0; x < (long) image->columns; x++) |
| 2897 | indexes[x]=index; |
| 2898 | } |
| 2899 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 2900 | status=MagickFalse; |
| 2901 | } |
| 2902 | image_view=DestroyCacheView(image_view); |
| 2903 | return(status); |
| 2904 | } |
| 2905 | |
| 2906 | /* |
| 2907 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2908 | % % |
| 2909 | % % |
| 2910 | % % |
| 2911 | % S e t I m a g e S t o r a g e C l a s s % |
| 2912 | % % |
| 2913 | % % |
| 2914 | % % |
| 2915 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2916 | % |
| 2917 | % SetImageStorageClass() sets the image class: DirectClass for true color |
| 2918 | % images or PseudoClass for colormapped images. |
| 2919 | % |
| 2920 | % The format of the SetImageStorageClass method is: |
| 2921 | % |
| 2922 | % MagickBooleanType SetImageStorageClass(Image *image, |
| 2923 | % const ClassType storage_class) |
| 2924 | % |
| 2925 | % A description of each parameter follows: |
| 2926 | % |
| 2927 | % o image: the image. |
| 2928 | % |
| 2929 | % o storage_class: The image class. |
| 2930 | % |
| 2931 | */ |
| 2932 | MagickExport MagickBooleanType SetImageStorageClass(Image *image, |
| 2933 | const ClassType storage_class) |
| 2934 | { |
| 2935 | Cache |
| 2936 | cache; |
| 2937 | |
| 2938 | if (image->storage_class == storage_class) |
| 2939 | return(MagickTrue); |
| 2940 | image->storage_class=storage_class; |
| 2941 | cache=GetImagePixelCache(image,MagickTrue,&image->exception); |
| 2942 | return(cache == (Cache) NULL ? MagickFalse : MagickTrue); |
| 2943 | } |
| 2944 | |
| 2945 | /* |
| 2946 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2947 | % % |
| 2948 | % % |
| 2949 | % % |
| 2950 | % S e t I m a g e C l i p M a s k % |
| 2951 | % % |
| 2952 | % % |
| 2953 | % % |
| 2954 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2955 | % |
| 2956 | % SetImageClipMask() associates a clip path with the image. The clip path |
| 2957 | % must be the same dimensions as the image. Set any pixel component of |
| 2958 | % the clip path to TransparentOpacity to prevent that corresponding image |
| 2959 | % pixel component from being updated when SyncAuthenticPixels() is applied. |
| 2960 | % |
| 2961 | % The format of the SetImageClipMask method is: |
| 2962 | % |
| 2963 | % MagickBooleanType SetImageClipMask(Image *image,const Image *clip_mask) |
| 2964 | % |
| 2965 | % A description of each parameter follows: |
| 2966 | % |
| 2967 | % o image: the image. |
| 2968 | % |
| 2969 | % o clip_mask: the image clip path. |
| 2970 | % |
| 2971 | */ |
| 2972 | MagickExport MagickBooleanType SetImageClipMask(Image *image, |
| 2973 | const Image *clip_mask) |
| 2974 | { |
| 2975 | assert(image != (Image *) NULL); |
| 2976 | if (image->debug != MagickFalse) |
| 2977 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 2978 | assert(image->signature == MagickSignature); |
| 2979 | if (clip_mask != (const Image *) NULL) |
| 2980 | if ((clip_mask->columns != image->columns) || |
| 2981 | (clip_mask->rows != image->rows)) |
| 2982 | ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename); |
| 2983 | if (image->clip_mask != (Image *) NULL) |
| 2984 | image->clip_mask=DestroyImage(image->clip_mask); |
| 2985 | image->clip_mask=NewImageList(); |
| 2986 | if (clip_mask == (Image *) NULL) |
| 2987 | return(MagickTrue); |
| 2988 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 2989 | return(MagickFalse); |
| 2990 | image->clip_mask=CloneImage(clip_mask,0,0,MagickTrue,&image->exception); |
| 2991 | if (image->clip_mask == (Image *) NULL) |
| 2992 | return(MagickFalse); |
| 2993 | return(MagickTrue); |
| 2994 | } |
| 2995 | |
| 2996 | /* |
| 2997 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2998 | % % |
| 2999 | % % |
| 3000 | % % |
| 3001 | % S e t I m a g e E x t e n t % |
| 3002 | % % |
| 3003 | % % |
| 3004 | % % |
| 3005 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3006 | % |
| 3007 | % SetImageExtent() sets the image size (i.e. columns & rows). |
| 3008 | % |
| 3009 | % The format of the SetImageExtent method is: |
| 3010 | % |
| 3011 | % MagickBooleanType SetImageExtent(Image *image, |
| 3012 | % const unsigned long columns,const unsigned long rows) |
| 3013 | % |
| 3014 | % A description of each parameter follows: |
| 3015 | % |
| 3016 | % o image: the image. |
| 3017 | % |
| 3018 | % o columns: The image width in pixels. |
| 3019 | % |
| 3020 | % o rows: The image height in pixels. |
| 3021 | % |
| 3022 | */ |
| 3023 | MagickExport MagickBooleanType SetImageExtent(Image *image, |
| 3024 | const unsigned long columns,const unsigned long rows) |
| 3025 | { |
| 3026 | Cache |
| 3027 | cache; |
| 3028 | |
| 3029 | if ((columns != 0) && (rows != 0)) |
| 3030 | { |
| 3031 | image->columns=columns; |
| 3032 | image->rows=rows; |
| 3033 | } |
| 3034 | cache=GetImagePixelCache(image,MagickTrue,&image->exception); |
| 3035 | return(cache == (Cache) NULL ? MagickFalse : MagickTrue); |
| 3036 | } |
| 3037 | |
| 3038 | /* |
| 3039 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3040 | % % |
| 3041 | % % |
| 3042 | % % |
| 3043 | + S e t I m a g e I n f o % |
| 3044 | % % |
| 3045 | % % |
| 3046 | % % |
| 3047 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3048 | % |
| 3049 | % SetImageInfo() initializes the `magick' field of the ImageInfo structure. |
| 3050 | % It is set to a type of image format based on the prefix or suffix of the |
| 3051 | % filename. For example, `ps:image' returns PS indicating a Postscript image. |
| 3052 | % JPEG is returned for this filename: `image.jpg'. The filename prefix has |
| 3053 | % precendence over the suffix. Use an optional index enclosed in brackets |
| 3054 | % after a file name to specify a desired scene of a multi-resolution image |
| 3055 | % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value |
| 3056 | % indicates success. |
| 3057 | % |
| 3058 | % The format of the SetImageInfo method is: |
| 3059 | % |
| 3060 | % MagickBooleanType SetImageInfo(ImageInfo *image_info, |
| 3061 | % const MagickBooleanType rectify,ExceptionInfo *exception) |
| 3062 | % |
| 3063 | % A description of each parameter follows: |
| 3064 | % |
| 3065 | % o image_info: the image info.. |
| 3066 | % |
| 3067 | % o rectify: an unsigned value other than zero rectifies the attribute for |
| 3068 | % multi-frame support (user may want multi-frame but image format may not |
| 3069 | % support it). |
| 3070 | % |
| 3071 | % o exception: return any errors or warnings in this structure. |
| 3072 | % |
| 3073 | */ |
| 3074 | MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info, |
| 3075 | const MagickBooleanType rectify,ExceptionInfo *exception) |
| 3076 | { |
| 3077 | char |
| 3078 | extension[MaxTextExtent], |
| 3079 | filename[MaxTextExtent], |
| 3080 | magic[MaxTextExtent], |
| 3081 | *q, |
| 3082 | subimage[MaxTextExtent]; |
| 3083 | |
| 3084 | const MagicInfo |
| 3085 | *magic_info; |
| 3086 | |
| 3087 | const MagickInfo |
| 3088 | *magick_info; |
| 3089 | |
| 3090 | ExceptionInfo |
| 3091 | *sans_exception; |
| 3092 | |
| 3093 | Image |
| 3094 | *image; |
| 3095 | |
| 3096 | MagickBooleanType |
| 3097 | status; |
| 3098 | |
| 3099 | register const char |
| 3100 | *p; |
| 3101 | |
| 3102 | ssize_t |
| 3103 | count; |
| 3104 | |
| 3105 | unsigned char |
| 3106 | magick[2*MaxTextExtent]; |
| 3107 | |
| 3108 | /* |
| 3109 | Look for 'image.format' in filename. |
| 3110 | */ |
| 3111 | assert(image_info != (ImageInfo *) NULL); |
| 3112 | assert(image_info->signature == MagickSignature); |
| 3113 | if (image_info->debug != MagickFalse) |
| 3114 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 3115 | image_info->filename); |
| 3116 | *subimage='\0'; |
| 3117 | GetPathComponent(image_info->filename,SubimagePath,subimage); |
| 3118 | if (*subimage != '\0') |
| 3119 | { |
| 3120 | /* |
| 3121 | Look for scene specification (e.g. img0001.pcd[4]). |
| 3122 | */ |
| 3123 | if (IsSceneGeometry(subimage,MagickFalse) == MagickFalse) |
| 3124 | { |
| 3125 | if (IsGeometry(subimage) != MagickFalse) |
| 3126 | (void) CloneString(&image_info->extract,subimage); |
| 3127 | } |
| 3128 | else |
| 3129 | { |
| 3130 | unsigned long |
| 3131 | first, |
| 3132 | last; |
| 3133 | |
| 3134 | (void) CloneString(&image_info->scenes,subimage); |
| 3135 | image_info->scene=(unsigned long) atol(image_info->scenes); |
| 3136 | image_info->number_scenes=image_info->scene; |
| 3137 | p=image_info->scenes; |
| 3138 | for (q=(char *) image_info->scenes; *q != '\0'; p++) |
| 3139 | { |
| 3140 | while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ',')) |
| 3141 | p++; |
| 3142 | first=(unsigned long) strtol(p,&q,10); |
| 3143 | last=first; |
| 3144 | while (isspace((int) ((unsigned char) *q)) != 0) |
| 3145 | q++; |
| 3146 | if (*q == '-') |
| 3147 | last=(unsigned long) strtol(q+1,&q,10); |
| 3148 | if (first > last) |
| 3149 | Swap(first,last); |
| 3150 | if (first < image_info->scene) |
| 3151 | image_info->scene=first; |
| 3152 | if (last > image_info->number_scenes) |
| 3153 | image_info->number_scenes=last; |
| 3154 | p=q; |
| 3155 | } |
| 3156 | image_info->number_scenes-=image_info->scene-1; |
| 3157 | image_info->subimage=image_info->scene; |
| 3158 | image_info->subrange=image_info->number_scenes; |
| 3159 | } |
| 3160 | } |
| 3161 | *extension='\0'; |
| 3162 | GetPathComponent(image_info->filename,ExtensionPath,extension); |
| 3163 | #if defined(MAGICKCORE_ZLIB_DELEGATE) |
| 3164 | if (*extension != '\0') |
| 3165 | if ((LocaleCompare(extension,"gz") == 0) || |
| 3166 | (LocaleCompare(extension,"Z") == 0) || |
| 3167 | (LocaleCompare(extension,"wmz") == 0)) |
| 3168 | { |
| 3169 | char |
| 3170 | path[MaxTextExtent]; |
| 3171 | |
| 3172 | (void) CopyMagickString(path,image_info->filename,MaxTextExtent); |
| 3173 | path[strlen(path)-strlen(extension)-1]='\0'; |
| 3174 | GetPathComponent(path,ExtensionPath,extension); |
| 3175 | } |
| 3176 | #endif |
| 3177 | #if defined(MAGICKCORE_BZLIB_DELEGATE) |
| 3178 | if (*extension != '\0') |
| 3179 | if (LocaleCompare(extension,"bz2") == 0) |
| 3180 | { |
| 3181 | char |
| 3182 | path[MaxTextExtent]; |
| 3183 | |
| 3184 | (void) CopyMagickString(path,image_info->filename,MaxTextExtent); |
| 3185 | path[strlen(path)-strlen(extension)-1]='\0'; |
| 3186 | GetPathComponent(path,ExtensionPath,extension); |
| 3187 | } |
| 3188 | #endif |
| 3189 | image_info->affirm=MagickFalse; |
| 3190 | sans_exception=AcquireExceptionInfo(); |
| 3191 | if (*extension != '\0') |
| 3192 | { |
| 3193 | MagickFormatType |
| 3194 | format_type; |
| 3195 | |
| 3196 | register long |
| 3197 | i; |
| 3198 | |
| 3199 | static const char |
| 3200 | *format_type_formats[] = |
| 3201 | { |
| 3202 | "AUTOTRACE", |
| 3203 | "BROWSE", |
| 3204 | "DCRAW", |
| 3205 | "EDIT", |
| 3206 | "EPHEMERAL", |
| 3207 | "LAUNCH", |
| 3208 | "MPEG:DECODE", |
| 3209 | "MPEG:ENCODE", |
| 3210 | "PRINT", |
| 3211 | "PS:ALPHA", |
| 3212 | "PS:CMYK", |
| 3213 | "PS:COLOR", |
| 3214 | "PS:GRAY", |
| 3215 | "PS:MONO", |
| 3216 | "SCAN", |
| 3217 | "SHOW", |
| 3218 | "WIN", |
| 3219 | (char *) NULL |
| 3220 | }; |
| 3221 | |
| 3222 | /* |
| 3223 | User specified image format. |
| 3224 | */ |
| 3225 | (void) CopyMagickString(magic,extension,MaxTextExtent); |
| 3226 | LocaleUpper(magic); |
| 3227 | /* |
| 3228 | Look for explicit image formats. |
| 3229 | */ |
| 3230 | format_type=UndefinedFormatType; |
| 3231 | i=0; |
| 3232 | while ((format_type != UndefinedFormatType) && |
| 3233 | (format_type_formats[i] != (char *) NULL)) |
| 3234 | { |
| 3235 | if ((*magic == *format_type_formats[i]) && |
| 3236 | (LocaleCompare(magic,format_type_formats[i]) == 0)) |
| 3237 | format_type=ExplicitFormatType; |
| 3238 | i++; |
| 3239 | } |
| 3240 | magick_info=GetMagickInfo(magic,sans_exception); |
| 3241 | if ((magick_info != (const MagickInfo *) NULL) && |
| 3242 | (magick_info->format_type != UndefinedFormatType)) |
| 3243 | format_type=magick_info->format_type; |
| 3244 | if (format_type == UndefinedFormatType) |
| 3245 | (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); |
| 3246 | else |
| 3247 | if (format_type == ExplicitFormatType) |
| 3248 | { |
| 3249 | image_info->affirm=MagickTrue; |
| 3250 | (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); |
| 3251 | } |
| 3252 | if (LocaleCompare(magic,"RGB") == 0) |
| 3253 | image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */ |
| 3254 | } |
| 3255 | /* |
| 3256 | Look for explicit 'format:image' in filename. |
| 3257 | */ |
| 3258 | *magic='\0'; |
| 3259 | GetPathComponent(image_info->filename,MagickPath,magic); |
| 3260 | if (*magic == '\0') |
| 3261 | (void) CopyMagickString(magic,image_info->magick,MaxTextExtent); |
| 3262 | else |
| 3263 | { |
| 3264 | /* |
| 3265 | User specified image format. |
| 3266 | */ |
| 3267 | LocaleUpper(magic); |
| 3268 | if (IsMagickConflict(magic) == MagickFalse) |
| 3269 | { |
| 3270 | (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); |
| 3271 | if (LocaleCompare(magic,"EPHEMERAL") != 0) |
| 3272 | image_info->affirm=MagickTrue; |
| 3273 | else |
| 3274 | image_info->temporary=MagickTrue; |
| 3275 | } |
| 3276 | } |
| 3277 | magick_info=GetMagickInfo(magic,sans_exception); |
| 3278 | sans_exception=DestroyExceptionInfo(sans_exception); |
| 3279 | if ((magick_info == (const MagickInfo *) NULL) || |
| 3280 | (GetMagickEndianSupport(magick_info) == MagickFalse)) |
| 3281 | image_info->endian=UndefinedEndian; |
| 3282 | GetPathComponent(image_info->filename,CanonicalPath,filename); |
| 3283 | (void) CopyMagickString(image_info->filename,filename,MaxTextExtent); |
| 3284 | if (rectify != MagickFalse) |
| 3285 | { |
| 3286 | /* |
| 3287 | Rectify multi-image file support. |
| 3288 | */ |
| 3289 | (void) InterpretImageFilename(image_info,(Image *) NULL, |
| 3290 | image_info->filename,(int) image_info->scene,filename); |
| 3291 | if ((LocaleCompare(filename,image_info->filename) != 0) && |
| 3292 | (strchr(filename,'%') == (char *) NULL)) |
| 3293 | image_info->adjoin=MagickFalse; |
| 3294 | magick_info=GetMagickInfo(magic,exception); |
| 3295 | if (magick_info != (const MagickInfo *) NULL) |
| 3296 | if (GetMagickAdjoin(magick_info) == MagickFalse) |
| 3297 | image_info->adjoin=MagickFalse; |
| 3298 | return(MagickTrue); |
| 3299 | } |
| 3300 | if (image_info->affirm != MagickFalse) |
| 3301 | return(MagickTrue); |
| 3302 | /* |
| 3303 | Determine the image format from the first few bytes of the file. |
| 3304 | */ |
| 3305 | image=AcquireImage(image_info); |
| 3306 | (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent); |
| 3307 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 3308 | if (status == MagickFalse) |
| 3309 | { |
| 3310 | image=DestroyImage(image); |
| 3311 | return(MagickFalse); |
| 3312 | } |
| 3313 | if ((IsBlobSeekable(image) == MagickFalse) || |
| 3314 | (IsBlobExempt(image) != MagickFalse)) |
| 3315 | { |
| 3316 | /* |
| 3317 | Copy standard input or pipe to temporary file. |
| 3318 | */ |
| 3319 | *filename='\0'; |
| 3320 | status=ImageToFile(image,filename,exception); |
| 3321 | (void) CloseBlob(image); |
| 3322 | if (status == MagickFalse) |
| 3323 | { |
| 3324 | image=DestroyImage(image); |
| 3325 | return(MagickFalse); |
| 3326 | } |
| 3327 | SetImageInfoFile(image_info,(FILE *) NULL); |
| 3328 | (void) CopyMagickString(image->filename,filename,MaxTextExtent); |
| 3329 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 3330 | if (status == MagickFalse) |
| 3331 | { |
| 3332 | image=DestroyImage(image); |
| 3333 | return(MagickFalse); |
| 3334 | } |
| 3335 | (void) CopyMagickString(image_info->filename,filename,MaxTextExtent); |
| 3336 | image_info->temporary=MagickTrue; |
| 3337 | } |
| 3338 | (void) ResetMagickMemory(magick,0,sizeof(magick)); |
| 3339 | count=ReadBlob(image,2*MaxTextExtent,magick); |
| 3340 | (void) CloseBlob(image); |
| 3341 | image=DestroyImage(image); |
| 3342 | /* |
| 3343 | Check magic.xml configuration file. |
| 3344 | */ |
| 3345 | sans_exception=AcquireExceptionInfo(); |
| 3346 | magic_info=GetMagicInfo(magick,(size_t) count,sans_exception); |
| 3347 | if ((magic_info != (const MagicInfo *) NULL) && |
| 3348 | (GetMagicName(magic_info) != (char *) NULL)) |
| 3349 | { |
| 3350 | (void) CopyMagickString(image_info->magick,GetMagicName(magic_info), |
| 3351 | MaxTextExtent); |
| 3352 | magick_info=GetMagickInfo(image_info->magick,sans_exception); |
| 3353 | if ((magick_info == (const MagickInfo *) NULL) || |
| 3354 | (GetMagickEndianSupport(magick_info) == MagickFalse)) |
| 3355 | image_info->endian=UndefinedEndian; |
| 3356 | sans_exception=DestroyExceptionInfo(sans_exception); |
| 3357 | return(MagickTrue); |
| 3358 | } |
| 3359 | magick_info=GetMagickInfo(image_info->magick,sans_exception); |
| 3360 | if ((magick_info == (const MagickInfo *) NULL) || |
| 3361 | (GetMagickEndianSupport(magick_info) == MagickFalse)) |
| 3362 | image_info->endian=UndefinedEndian; |
| 3363 | sans_exception=DestroyExceptionInfo(sans_exception); |
| 3364 | return(MagickTrue); |
| 3365 | } |
| 3366 | |
| 3367 | /* |
| 3368 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3369 | % % |
| 3370 | % % |
| 3371 | % % |
| 3372 | % S e t I m a g e I n f o B l o b % |
| 3373 | % % |
| 3374 | % % |
| 3375 | % % |
| 3376 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3377 | % |
| 3378 | % SetImageInfoBlob() sets the image info blob member. |
| 3379 | % |
| 3380 | % The format of the SetImageInfoBlob method is: |
| 3381 | % |
| 3382 | % void SetImageInfoBlob(ImageInfo *image_info,const void *blob, |
| 3383 | % const size_t length) |
| 3384 | % |
| 3385 | % A description of each parameter follows: |
| 3386 | % |
| 3387 | % o image_info: the image info. |
| 3388 | % |
| 3389 | % o blob: the blob. |
| 3390 | % |
| 3391 | % o length: the blob length. |
| 3392 | % |
| 3393 | */ |
| 3394 | MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob, |
| 3395 | const size_t length) |
| 3396 | { |
| 3397 | assert(image_info != (ImageInfo *) NULL); |
| 3398 | assert(image_info->signature == MagickSignature); |
| 3399 | if (image_info->debug != MagickFalse) |
| 3400 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 3401 | image_info->filename); |
| 3402 | image_info->blob=(void *) blob; |
| 3403 | image_info->length=length; |
| 3404 | } |
| 3405 | |
| 3406 | /* |
| 3407 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3408 | % % |
| 3409 | % % |
| 3410 | % % |
| 3411 | % S e t I m a g e I n f o F i l e % |
| 3412 | % % |
| 3413 | % % |
| 3414 | % % |
| 3415 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3416 | % |
| 3417 | % SetImageInfoFile() sets the image info file member. |
| 3418 | % |
| 3419 | % The format of the SetImageInfoFile method is: |
| 3420 | % |
| 3421 | % void SetImageInfoFile(ImageInfo *image_info,FILE *file) |
| 3422 | % |
| 3423 | % A description of each parameter follows: |
| 3424 | % |
| 3425 | % o image_info: the image info. |
| 3426 | % |
| 3427 | % o file: the file. |
| 3428 | % |
| 3429 | */ |
| 3430 | MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file) |
| 3431 | { |
| 3432 | assert(image_info != (ImageInfo *) NULL); |
| 3433 | assert(image_info->signature == MagickSignature); |
| 3434 | if (image_info->debug != MagickFalse) |
| 3435 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 3436 | image_info->filename); |
| 3437 | image_info->file=file; |
| 3438 | } |
| 3439 | |
| 3440 | /* |
| 3441 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3442 | % % |
| 3443 | % % |
| 3444 | % % |
| 3445 | % S e t I m a g e M a s k % |
| 3446 | % % |
| 3447 | % % |
| 3448 | % % |
| 3449 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3450 | % |
| 3451 | % SetImageMask() associates a mask with the image. The mask must be the same |
| 3452 | % dimensions as the image. |
| 3453 | % |
| 3454 | % The format of the SetImageMask method is: |
| 3455 | % |
| 3456 | % MagickBooleanType SetImageMask(Image *image,const Image *mask) |
| 3457 | % |
| 3458 | % A description of each parameter follows: |
| 3459 | % |
| 3460 | % o image: the image. |
| 3461 | % |
| 3462 | % o mask: the image mask. |
| 3463 | % |
| 3464 | */ |
| 3465 | MagickExport MagickBooleanType SetImageMask(Image *image, |
| 3466 | const Image *mask) |
| 3467 | { |
| 3468 | assert(image != (Image *) NULL); |
| 3469 | if (image->debug != MagickFalse) |
| 3470 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3471 | assert(image->signature == MagickSignature); |
| 3472 | if (mask != (const Image *) NULL) |
| 3473 | if ((mask->columns != image->columns) || (mask->rows != image->rows)) |
| 3474 | ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename); |
| 3475 | if (image->mask != (Image *) NULL) |
| 3476 | image->mask=DestroyImage(image->mask); |
| 3477 | image->mask=NewImageList(); |
| 3478 | if (mask == (Image *) NULL) |
| 3479 | return(MagickTrue); |
| 3480 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 3481 | return(MagickFalse); |
| 3482 | image->mask=CloneImage(mask,0,0,MagickTrue,&image->exception); |
| 3483 | if (image->mask == (Image *) NULL) |
| 3484 | return(MagickFalse); |
| 3485 | return(MagickTrue); |
| 3486 | } |
| 3487 | |
| 3488 | /* |
| 3489 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3490 | % % |
| 3491 | % % |
| 3492 | % % |
| 3493 | % S e t I m a g e O p a c i t y % |
| 3494 | % % |
| 3495 | % % |
| 3496 | % % |
| 3497 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3498 | % |
| 3499 | % SetImageOpacity() sets the opacity levels of the image. |
| 3500 | % |
| 3501 | % The format of the SetImageOpacity method is: |
| 3502 | % |
| 3503 | % MagickBooleanType SetImageOpacity(Image *image,const Quantum opacity) |
| 3504 | % |
| 3505 | % A description of each parameter follows: |
| 3506 | % |
| 3507 | % o image: the image. |
| 3508 | % |
| 3509 | % o opacity: the level of transparency: 0 is fully opaque and QuantumRange is |
| 3510 | % fully transparent. |
| 3511 | % |
| 3512 | */ |
| 3513 | MagickExport MagickBooleanType SetImageOpacity(Image *image, |
| 3514 | const Quantum opacity) |
| 3515 | { |
| 3516 | CacheView |
| 3517 | *image_view; |
| 3518 | |
| 3519 | ExceptionInfo |
| 3520 | *exception; |
| 3521 | |
| 3522 | long |
| 3523 | y; |
| 3524 | |
| 3525 | MagickBooleanType |
| 3526 | status; |
| 3527 | |
| 3528 | assert(image != (Image *) NULL); |
| 3529 | if (image->debug != MagickFalse) |
| 3530 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3531 | assert(image->signature == MagickSignature); |
| 3532 | image->matte=opacity != OpaqueOpacity ? MagickTrue : MagickFalse; |
| 3533 | status=MagickTrue; |
| 3534 | exception=(&image->exception); |
| 3535 | image_view=AcquireCacheView(image); |
cristy | 629a6c7 | 2009-09-13 23:28:22 +0000 | [diff] [blame] | 3536 | #if defined(_OPENMP) && (_OPENMP >= 200203) |
cristy | 0749099 | 2009-09-11 19:51:45 +0000 | [diff] [blame] | 3537 | #pragma omp parallel for schedule(static,1) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3538 | #endif |
| 3539 | for (y=0; y < (long) image->rows; y++) |
| 3540 | { |
| 3541 | register long |
| 3542 | x; |
| 3543 | |
| 3544 | register PixelPacket |
| 3545 | *__restrict q; |
| 3546 | |
| 3547 | if (status == MagickFalse) |
| 3548 | continue; |
| 3549 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 3550 | if (q == (PixelPacket *) NULL) |
| 3551 | { |
| 3552 | status=MagickFalse; |
| 3553 | continue; |
| 3554 | } |
| 3555 | for (x=0; x < (long) image->columns; x++) |
| 3556 | { |
| 3557 | q->opacity=opacity; |
| 3558 | q++; |
| 3559 | } |
| 3560 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 3561 | status=MagickFalse; |
| 3562 | } |
| 3563 | image_view=DestroyCacheView(image_view); |
| 3564 | return(status); |
| 3565 | } |
| 3566 | |
| 3567 | /* |
| 3568 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3569 | % % |
| 3570 | % % |
| 3571 | % % |
| 3572 | % S e t I m a g e T y p e % |
| 3573 | % % |
| 3574 | % % |
| 3575 | % % |
| 3576 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3577 | % |
| 3578 | % SetImageType() sets the type of image. Choose from these types: |
| 3579 | % |
| 3580 | % Bilevel Grayscale GrayscaleMatte |
| 3581 | % Palette PaletteMatte TrueColor |
| 3582 | % TrueColorMatte ColorSeparation ColorSeparationMatte |
| 3583 | % OptimizeType |
| 3584 | % |
| 3585 | % The format of the SetImageType method is: |
| 3586 | % |
| 3587 | % MagickBooleanType SetImageType(Image *image,const ImageType type) |
| 3588 | % |
| 3589 | % A description of each parameter follows: |
| 3590 | % |
| 3591 | % o image: the image. |
| 3592 | % |
| 3593 | % o type: Image type. |
| 3594 | % |
| 3595 | */ |
| 3596 | MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type) |
| 3597 | { |
| 3598 | const char |
| 3599 | *artifact; |
| 3600 | |
| 3601 | ImageInfo |
| 3602 | *image_info; |
| 3603 | |
| 3604 | MagickBooleanType |
| 3605 | status; |
| 3606 | |
| 3607 | QuantizeInfo |
| 3608 | *quantize_info; |
| 3609 | |
| 3610 | assert(image != (Image *) NULL); |
| 3611 | if (image->debug != MagickFalse) |
| 3612 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3613 | assert(image->signature == MagickSignature); |
| 3614 | status=MagickTrue; |
| 3615 | image_info=AcquireImageInfo(); |
| 3616 | image_info->dither=image->dither; |
| 3617 | artifact=GetImageArtifact(image,"dither"); |
| 3618 | if (artifact != (const char *) NULL) |
| 3619 | (void) SetImageOption(image_info,"dither",artifact); |
| 3620 | switch (type) |
| 3621 | { |
| 3622 | case BilevelType: |
| 3623 | { |
| 3624 | if (IsGrayImage(image,&image->exception) == MagickFalse) |
| 3625 | status=TransformImageColorspace(image,GRAYColorspace); |
| 3626 | if (IsMonochromeImage(image,&image->exception) == MagickFalse) |
| 3627 | { |
| 3628 | quantize_info=AcquireQuantizeInfo(image_info); |
| 3629 | quantize_info->number_colors=2; |
| 3630 | quantize_info->colorspace=GRAYColorspace; |
| 3631 | status=QuantizeImage(quantize_info,image); |
| 3632 | quantize_info=DestroyQuantizeInfo(quantize_info); |
| 3633 | } |
| 3634 | image->matte=MagickFalse; |
| 3635 | break; |
| 3636 | } |
| 3637 | case GrayscaleType: |
| 3638 | { |
| 3639 | if (IsGrayImage(image,&image->exception) == MagickFalse) |
| 3640 | status=TransformImageColorspace(image,GRAYColorspace); |
| 3641 | image->matte=MagickFalse; |
| 3642 | break; |
| 3643 | } |
| 3644 | case GrayscaleMatteType: |
| 3645 | { |
| 3646 | if (IsGrayImage(image,&image->exception) == MagickFalse) |
| 3647 | status=TransformImageColorspace(image,GRAYColorspace); |
| 3648 | if (image->matte == MagickFalse) |
| 3649 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); |
| 3650 | break; |
| 3651 | } |
| 3652 | case PaletteType: |
| 3653 | { |
| 3654 | if (image->colorspace != RGBColorspace) |
| 3655 | status=TransformImageColorspace(image,RGBColorspace); |
| 3656 | if ((image->storage_class == DirectClass) || (image->colors > 256)) |
| 3657 | { |
| 3658 | quantize_info=AcquireQuantizeInfo(image_info); |
| 3659 | quantize_info->number_colors=256; |
| 3660 | status=QuantizeImage(quantize_info,image); |
| 3661 | quantize_info=DestroyQuantizeInfo(quantize_info); |
| 3662 | } |
| 3663 | image->matte=MagickFalse; |
| 3664 | break; |
| 3665 | } |
| 3666 | case PaletteBilevelMatteType: |
| 3667 | { |
| 3668 | if (image->colorspace != RGBColorspace) |
| 3669 | status=TransformImageColorspace(image,RGBColorspace); |
| 3670 | if (image->matte == MagickFalse) |
| 3671 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); |
| 3672 | (void) BilevelImageChannel(image,AlphaChannel,(double) QuantumRange/2.0); |
| 3673 | quantize_info=AcquireQuantizeInfo(image_info); |
| 3674 | status=QuantizeImage(quantize_info,image); |
| 3675 | quantize_info=DestroyQuantizeInfo(quantize_info); |
| 3676 | break; |
| 3677 | } |
| 3678 | case PaletteMatteType: |
| 3679 | { |
| 3680 | if (image->colorspace != RGBColorspace) |
| 3681 | status=TransformImageColorspace(image,RGBColorspace); |
| 3682 | if (image->matte == MagickFalse) |
| 3683 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); |
| 3684 | quantize_info=AcquireQuantizeInfo(image_info); |
| 3685 | quantize_info->colorspace=TransparentColorspace; |
| 3686 | status=QuantizeImage(quantize_info,image); |
| 3687 | quantize_info=DestroyQuantizeInfo(quantize_info); |
| 3688 | break; |
| 3689 | } |
| 3690 | case TrueColorType: |
| 3691 | { |
| 3692 | if (image->colorspace != RGBColorspace) |
| 3693 | status=TransformImageColorspace(image,RGBColorspace); |
| 3694 | if (image->storage_class != DirectClass) |
| 3695 | status=SetImageStorageClass(image,DirectClass); |
| 3696 | image->matte=MagickFalse; |
| 3697 | break; |
| 3698 | } |
| 3699 | case TrueColorMatteType: |
| 3700 | { |
| 3701 | if (image->colorspace != RGBColorspace) |
| 3702 | status=TransformImageColorspace(image,RGBColorspace); |
| 3703 | if (image->storage_class != DirectClass) |
| 3704 | status=SetImageStorageClass(image,DirectClass); |
| 3705 | if (image->matte == MagickFalse) |
| 3706 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); |
| 3707 | break; |
| 3708 | } |
| 3709 | case ColorSeparationType: |
| 3710 | { |
| 3711 | if (image->colorspace != CMYKColorspace) |
| 3712 | { |
| 3713 | if (image->colorspace != RGBColorspace) |
| 3714 | status=TransformImageColorspace(image,RGBColorspace); |
| 3715 | status=TransformImageColorspace(image,CMYKColorspace); |
| 3716 | } |
| 3717 | if (image->storage_class != DirectClass) |
| 3718 | status=SetImageStorageClass(image,DirectClass); |
| 3719 | image->matte=MagickFalse; |
| 3720 | break; |
| 3721 | } |
| 3722 | case ColorSeparationMatteType: |
| 3723 | { |
| 3724 | if (image->colorspace != CMYKColorspace) |
| 3725 | { |
| 3726 | if (image->colorspace != RGBColorspace) |
| 3727 | status=TransformImageColorspace(image,RGBColorspace); |
| 3728 | status=TransformImageColorspace(image,CMYKColorspace); |
| 3729 | } |
| 3730 | if (image->storage_class != DirectClass) |
| 3731 | status=SetImageStorageClass(image,DirectClass); |
| 3732 | if (image->matte == MagickFalse) |
| 3733 | (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); |
| 3734 | break; |
| 3735 | } |
| 3736 | case OptimizeType: |
| 3737 | case UndefinedType: |
| 3738 | break; |
| 3739 | } |
| 3740 | image->type=type; |
| 3741 | image_info=DestroyImageInfo(image_info); |
| 3742 | return(status); |
| 3743 | } |
| 3744 | |
| 3745 | /* |
| 3746 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3747 | % % |
| 3748 | % % |
| 3749 | % % |
| 3750 | % S e t I m a g e V i r t u a l P i x e l M e t h o d % |
| 3751 | % % |
| 3752 | % % |
| 3753 | % % |
| 3754 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3755 | % |
| 3756 | % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the |
| 3757 | % image and returns the previous setting. A virtual pixel is any pixel access |
| 3758 | % that is outside the boundaries of the image cache. |
| 3759 | % |
| 3760 | % The format of the SetImageVirtualPixelMethod() method is: |
| 3761 | % |
| 3762 | % VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image, |
| 3763 | % const VirtualPixelMethod virtual_pixel_method) |
| 3764 | % |
| 3765 | % A description of each parameter follows: |
| 3766 | % |
| 3767 | % o image: the image. |
| 3768 | % |
| 3769 | % o virtual_pixel_method: choose the type of virtual pixel. |
| 3770 | % |
| 3771 | */ |
| 3772 | MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image, |
| 3773 | const VirtualPixelMethod virtual_pixel_method) |
| 3774 | { |
| 3775 | assert(image != (const Image *) NULL); |
| 3776 | assert(image->signature == MagickSignature); |
| 3777 | if (image->debug != MagickFalse) |
| 3778 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3779 | return(SetPixelCacheVirtualMethod(image,virtual_pixel_method)); |
| 3780 | } |
| 3781 | |
| 3782 | /* |
| 3783 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3784 | % % |
| 3785 | % % |
| 3786 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3787 | % S t r i p I m a g e % |
| 3788 | % % |
| 3789 | % % |
| 3790 | % % |
| 3791 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3792 | % |
| 3793 | % StripImage() strips an image of all profiles and comments. |
| 3794 | % |
| 3795 | % The format of the StripImage method is: |
| 3796 | % |
| 3797 | % MagickBooleanType StripImage(Image *image) |
| 3798 | % |
| 3799 | % A description of each parameter follows: |
| 3800 | % |
| 3801 | % o image: the image. |
| 3802 | % |
| 3803 | */ |
| 3804 | MagickExport MagickBooleanType StripImage(Image *image) |
| 3805 | { |
| 3806 | assert(image != (Image *) NULL); |
| 3807 | if (image->debug != MagickFalse) |
| 3808 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3809 | DestroyImageProfiles(image); |
| 3810 | (void) DeleteImageProperty(image,"comment"); |
| 3811 | return(MagickTrue); |
| 3812 | } |
| 3813 | |
| 3814 | /* |
| 3815 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3816 | % % |
| 3817 | % % |
| 3818 | % % |
| 3819 | + S y n c I m a g e % |
| 3820 | % % |
| 3821 | % % |
| 3822 | % % |
| 3823 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3824 | % |
| 3825 | % SyncImage() initializes the red, green, and blue intensities of each pixel |
| 3826 | % as defined by the colormap index. |
| 3827 | % |
| 3828 | % The format of the SyncImage method is: |
| 3829 | % |
| 3830 | % MagickBooleanType SyncImage(Image *image) |
| 3831 | % |
| 3832 | % A description of each parameter follows: |
| 3833 | % |
| 3834 | % o image: the image. |
| 3835 | % |
| 3836 | */ |
| 3837 | |
| 3838 | static inline IndexPacket PushColormapIndex(Image *image, |
| 3839 | const unsigned long index,MagickBooleanType *range_exception) |
| 3840 | { |
| 3841 | if (index < image->colors) |
| 3842 | return((IndexPacket) index); |
| 3843 | *range_exception=MagickTrue; |
| 3844 | return((IndexPacket) 0); |
| 3845 | } |
| 3846 | |
| 3847 | MagickExport MagickBooleanType SyncImage(Image *image) |
| 3848 | { |
| 3849 | CacheView |
| 3850 | *image_view; |
| 3851 | |
| 3852 | ExceptionInfo |
| 3853 | *exception; |
| 3854 | |
| 3855 | long |
| 3856 | y; |
| 3857 | |
| 3858 | MagickBooleanType |
| 3859 | range_exception, |
| 3860 | status; |
| 3861 | |
| 3862 | assert(image != (Image *) NULL); |
| 3863 | if (image->debug != MagickFalse) |
| 3864 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3865 | assert(image->signature == MagickSignature); |
| 3866 | if (image->storage_class == DirectClass) |
| 3867 | return(MagickFalse); |
| 3868 | range_exception=MagickFalse; |
| 3869 | status=MagickTrue; |
| 3870 | exception=(&image->exception); |
| 3871 | image_view=AcquireCacheView(image); |
| 3872 | for (y=0; y < (long) image->rows; y++) |
| 3873 | { |
| 3874 | IndexPacket |
| 3875 | index; |
| 3876 | |
| 3877 | PixelPacket |
| 3878 | pixel; |
| 3879 | |
| 3880 | register IndexPacket |
| 3881 | *__restrict indexes; |
| 3882 | |
| 3883 | register long |
| 3884 | x; |
| 3885 | |
| 3886 | register PixelPacket |
| 3887 | *__restrict q; |
| 3888 | |
| 3889 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 3890 | if (q == (PixelPacket *) NULL) |
| 3891 | { |
| 3892 | status=MagickFalse; |
| 3893 | continue; |
| 3894 | } |
| 3895 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 3896 | for (x=0; x < (long) image->columns; x++) |
| 3897 | { |
| 3898 | index=PushColormapIndex(image,(unsigned long) indexes[x], |
| 3899 | &range_exception); |
| 3900 | pixel=image->colormap[(long) index]; |
| 3901 | q->red=pixel.red; |
| 3902 | q->green=pixel.green; |
| 3903 | q->blue=pixel.blue; |
| 3904 | q++; |
| 3905 | } |
| 3906 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 3907 | status=MagickFalse; |
| 3908 | if (status == MagickFalse) |
| 3909 | break; |
| 3910 | } |
| 3911 | image_view=DestroyCacheView(image_view); |
| 3912 | if (range_exception != MagickFalse) |
| 3913 | (void) ThrowMagickException(&image->exception,GetMagickModule(), |
| 3914 | CorruptImageError,"InvalidColormapIndex","`%s'",image->filename); |
| 3915 | return(status); |
| 3916 | } |