cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % DDDD EEEEE PPPP RRRR EEEEE CCCC AAA TTTTT EEEEE % |
| 7 | % D D E P P R R E C A A T E % |
| 8 | % D D EEE PPPPP RRRR EEE C AAAAA T EEE % |
| 9 | % D D E P R R E C A A T E % |
| 10 | % DDDD EEEEE P R R EEEEE CCCC A A T EEEEE % |
| 11 | % % |
| 12 | % % |
| 13 | % MagickWand Deprecated Methods % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % October 2002 % |
| 18 | % % |
| 19 | % % |
cristy | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 20 | % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | % |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | Include declarations. |
| 42 | */ |
| 43 | #include "wand/studio.h" |
| 44 | #include "wand/MagickWand.h" |
| 45 | #include "wand/magick-wand-private.h" |
| 46 | #include "wand/wand.h" |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 47 | #include "magick/monitor-private.h" |
| 48 | #include "magick/thread-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 49 | |
| 50 | /* |
| 51 | Define declarations. |
| 52 | */ |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 53 | #define PixelViewId "PixelView" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 54 | #define ThrowWandException(severity,tag,context) \ |
| 55 | { \ |
| 56 | (void) ThrowMagickException(wand->exception,GetMagickModule(),severity, \ |
| 57 | tag,"`%s'",context); \ |
| 58 | return(MagickFalse); \ |
| 59 | } |
| 60 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 61 | /* |
| 62 | Typedef declarations. |
| 63 | */ |
| 64 | struct _PixelView |
| 65 | { |
| 66 | size_t |
| 67 | id; |
| 68 | |
| 69 | char |
| 70 | name[MaxTextExtent]; |
| 71 | |
| 72 | ExceptionInfo |
| 73 | *exception; |
| 74 | |
| 75 | MagickWand |
| 76 | *wand; |
| 77 | |
| 78 | CacheView |
| 79 | *view; |
| 80 | |
| 81 | RectangleInfo |
| 82 | region; |
| 83 | |
| 84 | size_t |
| 85 | number_threads; |
| 86 | |
| 87 | PixelWand |
| 88 | ***pixel_wands; |
| 89 | |
| 90 | MagickBooleanType |
| 91 | debug; |
| 92 | |
| 93 | size_t |
| 94 | signature; |
| 95 | }; |
| 96 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 97 | #if !defined(MAGICKCORE_EXCLUDE_DEPRECATED) |
| 98 | |
| 99 | /* |
| 100 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 101 | % % |
| 102 | % % |
| 103 | % % |
cristy | d18ae7c | 2010-03-07 17:39:52 +0000 | [diff] [blame] | 104 | % M a g i c k A v e r a g e I m a g e s % |
| 105 | % % |
| 106 | % % |
| 107 | % % |
| 108 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 109 | % |
| 110 | % MagickAverageImages() average a set of images. |
| 111 | % |
| 112 | % The format of the MagickAverageImages method is: |
| 113 | % |
| 114 | % MagickWand *MagickAverageImages(MagickWand *wand) |
| 115 | % |
| 116 | % A description of each parameter follows: |
| 117 | % |
| 118 | % o wand: the magick wand. |
| 119 | % |
| 120 | */ |
| 121 | |
| 122 | static MagickWand *CloneMagickWandFromImages(const MagickWand *wand, |
| 123 | Image *images) |
| 124 | { |
| 125 | MagickWand |
| 126 | *clone_wand; |
| 127 | |
| 128 | assert(wand != (MagickWand *) NULL); |
| 129 | assert(wand->signature == WandSignature); |
| 130 | if (wand->debug != MagickFalse) |
| 131 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 132 | clone_wand=(MagickWand *) AcquireAlignedMemory(1,sizeof(*clone_wand)); |
| 133 | if (clone_wand == (MagickWand *) NULL) |
| 134 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 135 | images->filename); |
| 136 | (void) ResetMagickMemory(clone_wand,0,sizeof(*clone_wand)); |
| 137 | clone_wand->id=AcquireWandId(); |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 138 | (void) FormatMagickString(clone_wand->name,MaxTextExtent,"%s-%.20g", |
| 139 | MagickWandId,(double) clone_wand->id); |
cristy | d18ae7c | 2010-03-07 17:39:52 +0000 | [diff] [blame] | 140 | clone_wand->exception=AcquireExceptionInfo(); |
| 141 | InheritException(clone_wand->exception,wand->exception); |
| 142 | clone_wand->image_info=CloneImageInfo(wand->image_info); |
| 143 | clone_wand->quantize_info=CloneQuantizeInfo(wand->quantize_info); |
| 144 | clone_wand->images=images; |
| 145 | clone_wand->debug=IsEventLogging(); |
| 146 | if (clone_wand->debug != MagickFalse) |
| 147 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_wand->name); |
| 148 | clone_wand->signature=WandSignature; |
| 149 | return(clone_wand); |
| 150 | } |
| 151 | |
| 152 | WandExport MagickWand *MagickAverageImages(MagickWand *wand) |
| 153 | { |
| 154 | Image |
| 155 | *average_image; |
| 156 | |
| 157 | assert(wand != (MagickWand *) NULL); |
| 158 | assert(wand->signature == WandSignature); |
| 159 | if (wand->debug != MagickFalse) |
| 160 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 161 | if (wand->images == (Image *) NULL) |
| 162 | return((MagickWand *) NULL); |
| 163 | average_image=EvaluateImages(wand->images,MeanEvaluateOperator, |
| 164 | wand->exception); |
| 165 | if (average_image == (Image *) NULL) |
| 166 | return((MagickWand *) NULL); |
| 167 | return(CloneMagickWandFromImages(wand,average_image)); |
| 168 | } |
| 169 | |
| 170 | /* |
| 171 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 172 | % % |
| 173 | % % |
| 174 | % % |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 175 | % C l o n e P i x e l V i e w % |
| 176 | % % |
| 177 | % % |
| 178 | % % |
| 179 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 180 | % |
| 181 | % ClonePixelView() makes a copy of the specified pixel view. |
| 182 | % |
| 183 | % The format of the ClonePixelView method is: |
| 184 | % |
| 185 | % PixelView *ClonePixelView(const PixelView *pixel_view) |
| 186 | % |
| 187 | % A description of each parameter follows: |
| 188 | % |
| 189 | % o pixel_view: the pixel view. |
| 190 | % |
| 191 | */ |
| 192 | WandExport PixelView *ClonePixelView(const PixelView *pixel_view) |
| 193 | { |
| 194 | PixelView |
| 195 | *clone_view; |
| 196 | |
| 197 | register ssize_t |
| 198 | i; |
| 199 | |
| 200 | assert(pixel_view != (PixelView *) NULL); |
| 201 | assert(pixel_view->signature == WandSignature); |
| 202 | if (pixel_view->debug != MagickFalse) |
| 203 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",pixel_view->name); |
| 204 | clone_view=(PixelView *) AcquireAlignedMemory(1,sizeof(*clone_view)); |
| 205 | if (clone_view == (PixelView *) NULL) |
| 206 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 207 | pixel_view->name); |
| 208 | (void) ResetMagickMemory(clone_view,0,sizeof(*clone_view)); |
| 209 | clone_view->id=AcquireWandId(); |
| 210 | (void) FormatMagickString(clone_view->name,MaxTextExtent,"%s-%.20g", |
| 211 | PixelViewId,(double) clone_view->id); |
| 212 | clone_view->exception=AcquireExceptionInfo(); |
| 213 | InheritException(clone_view->exception,pixel_view->exception); |
| 214 | clone_view->view=CloneCacheView(pixel_view->view); |
| 215 | clone_view->region=pixel_view->region; |
| 216 | clone_view->number_threads=pixel_view->number_threads; |
| 217 | for (i=0; i < (ssize_t) pixel_view->number_threads; i++) |
| 218 | clone_view->pixel_wands[i]=ClonePixelWands((const PixelWand **) |
| 219 | pixel_view->pixel_wands[i],pixel_view->region.width); |
| 220 | clone_view->debug=pixel_view->debug; |
| 221 | if (clone_view->debug != MagickFalse) |
| 222 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",clone_view->name); |
| 223 | clone_view->signature=WandSignature; |
| 224 | return(clone_view); |
| 225 | } |
| 226 | |
| 227 | /* |
| 228 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 229 | % % |
| 230 | % % |
| 231 | % % |
| 232 | % D e s t r o y P i x e l V i e w % |
| 233 | % % |
| 234 | % % |
| 235 | % % |
| 236 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 237 | % |
| 238 | % DestroyPixelView() deallocates memory associated with a pixel view. |
| 239 | % |
| 240 | % The format of the DestroyPixelView method is: |
| 241 | % |
| 242 | % PixelView *DestroyPixelView(PixelView *pixel_view, |
| 243 | % const size_t number_wands,const size_t number_threads) |
| 244 | % |
| 245 | % A description of each parameter follows: |
| 246 | % |
| 247 | % o pixel_view: the pixel view. |
| 248 | % |
| 249 | % o number_wand: the number of pixel wands. |
| 250 | % |
| 251 | % o number_threads: number of threads. |
| 252 | % |
| 253 | */ |
| 254 | |
| 255 | static PixelWand ***DestroyPixelsThreadSet(PixelWand ***pixel_wands, |
| 256 | const size_t number_wands,const size_t number_threads) |
| 257 | { |
| 258 | register ssize_t |
| 259 | i; |
| 260 | |
| 261 | assert(pixel_wands != (PixelWand ***) NULL); |
| 262 | for (i=0; i < (ssize_t) number_threads; i++) |
| 263 | if (pixel_wands[i] != (PixelWand **) NULL) |
| 264 | pixel_wands[i]=DestroyPixelWands(pixel_wands[i],number_wands); |
| 265 | pixel_wands=(PixelWand ***) RelinquishAlignedMemory(pixel_wands); |
| 266 | return(pixel_wands); |
| 267 | } |
| 268 | |
| 269 | WandExport PixelView *DestroyPixelView(PixelView *pixel_view) |
| 270 | { |
| 271 | assert(pixel_view != (PixelView *) NULL); |
| 272 | assert(pixel_view->signature == WandSignature); |
| 273 | pixel_view->pixel_wands=DestroyPixelsThreadSet(pixel_view->pixel_wands, |
| 274 | pixel_view->region.width,pixel_view->number_threads); |
| 275 | pixel_view->view=DestroyCacheView(pixel_view->view); |
| 276 | pixel_view->exception=DestroyExceptionInfo(pixel_view->exception); |
| 277 | pixel_view->signature=(~WandSignature); |
| 278 | RelinquishWandId(pixel_view->id); |
| 279 | pixel_view=(PixelView *) RelinquishMagickMemory(pixel_view); |
| 280 | return(pixel_view); |
| 281 | } |
| 282 | |
| 283 | /* |
| 284 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 285 | % % |
| 286 | % % |
| 287 | % % |
| 288 | % D u p l e x T r a n s f e r P i x e l V i e w I t e r a t o r % |
| 289 | % % |
| 290 | % % |
| 291 | % % |
| 292 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 293 | % |
| 294 | % DuplexTransferPixelViewIterator() iterates over three pixel views in |
| 295 | % parallel and calls your transfer method for each scanline of the view. The |
| 296 | % source and duplex pixel region is not confined to the image canvas-- that is |
| 297 | % you can include negative offsets or widths or heights that exceed the image |
| 298 | % dimension. However, the destination pixel view is confined to the image |
| 299 | % canvas-- that is no negative offsets or widths or heights that exceed the |
| 300 | % image dimension are permitted. |
| 301 | % |
| 302 | % Use this pragma: |
| 303 | % |
| 304 | % #pragma omp critical |
| 305 | % |
| 306 | % to define a section of code in your callback transfer method that must be |
| 307 | % executed by a single thread at a time. |
| 308 | % |
| 309 | % The format of the DuplexTransferPixelViewIterator method is: |
| 310 | % |
| 311 | % MagickBooleanType DuplexTransferPixelViewIterator(PixelView *source, |
| 312 | % PixelView *duplex,PixelView *destination, |
| 313 | % DuplexTransferPixelViewMethod transfer,void *context) |
| 314 | % |
| 315 | % A description of each parameter follows: |
| 316 | % |
| 317 | % o source: the source pixel view. |
| 318 | % |
| 319 | % o duplex: the duplex pixel view. |
| 320 | % |
| 321 | % o destination: the destination pixel view. |
| 322 | % |
| 323 | % o transfer: the transfer callback method. |
| 324 | % |
| 325 | % o context: the user defined context. |
| 326 | % |
| 327 | */ |
| 328 | WandExport MagickBooleanType DuplexTransferPixelViewIterator( |
| 329 | PixelView *source,PixelView *duplex,PixelView *destination, |
| 330 | DuplexTransferPixelViewMethod transfer,void *context) |
| 331 | { |
| 332 | #define DuplexTransferPixelViewTag "PixelView/DuplexTransfer" |
| 333 | |
| 334 | ExceptionInfo |
| 335 | *exception; |
| 336 | |
| 337 | Image |
| 338 | *destination_image, |
| 339 | *duplex_image, |
| 340 | *source_image; |
| 341 | |
| 342 | MagickBooleanType |
| 343 | status; |
| 344 | |
| 345 | MagickOffsetType |
| 346 | progress; |
| 347 | |
| 348 | ssize_t |
| 349 | y; |
| 350 | |
| 351 | assert(source != (PixelView *) NULL); |
| 352 | assert(source->signature == WandSignature); |
| 353 | if (transfer == (DuplexTransferPixelViewMethod) NULL) |
| 354 | return(MagickFalse); |
| 355 | source_image=source->wand->images; |
| 356 | duplex_image=duplex->wand->images; |
| 357 | destination_image=destination->wand->images; |
| 358 | if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse) |
| 359 | return(MagickFalse); |
| 360 | status=MagickTrue; |
| 361 | progress=0; |
| 362 | exception=destination->exception; |
| 363 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 364 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
| 365 | #endif |
| 366 | for (y=source->region.y; y < (ssize_t) source->region.height; y++) |
| 367 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 368 | const int |
| 369 | id = GetOpenMPThreadId(); |
| 370 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 371 | MagickBooleanType |
| 372 | sync; |
| 373 | |
| 374 | register const IndexPacket |
| 375 | *restrict duplex_indexes, |
| 376 | *restrict indexes; |
| 377 | |
| 378 | register const PixelPacket |
| 379 | *restrict duplex_pixels, |
| 380 | *restrict pixels; |
| 381 | |
| 382 | register IndexPacket |
| 383 | *restrict destination_indexes; |
| 384 | |
| 385 | register ssize_t |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 386 | x; |
| 387 | |
| 388 | register PixelPacket |
| 389 | *restrict destination_pixels; |
| 390 | |
| 391 | if (status == MagickFalse) |
| 392 | continue; |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 393 | pixels=GetCacheViewVirtualPixels(source->view,source->region.x,y, |
| 394 | source->region.width,1,source->exception); |
| 395 | if (pixels == (const PixelPacket *) NULL) |
| 396 | { |
| 397 | status=MagickFalse; |
| 398 | continue; |
| 399 | } |
| 400 | indexes=GetCacheViewVirtualIndexQueue(source->view); |
| 401 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 402 | PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x); |
| 403 | if (source_image->colorspace == CMYKColorspace) |
| 404 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 405 | PixelSetBlackQuantum(source->pixel_wands[id][x],indexes[x]); |
| 406 | if (source_image->storage_class == PseudoClass) |
| 407 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 408 | PixelSetIndex(source->pixel_wands[id][x],indexes[x]); |
| 409 | duplex_pixels=GetCacheViewVirtualPixels(duplex->view,duplex->region.x,y, |
| 410 | duplex->region.width,1,duplex->exception); |
| 411 | if (duplex_pixels == (const PixelPacket *) NULL) |
| 412 | { |
| 413 | status=MagickFalse; |
| 414 | continue; |
| 415 | } |
| 416 | duplex_indexes=GetCacheViewVirtualIndexQueue(duplex->view); |
| 417 | for (x=0; x < (ssize_t) duplex->region.width; x++) |
| 418 | PixelSetQuantumColor(duplex->pixel_wands[id][x],duplex_pixels+x); |
| 419 | if (duplex_image->colorspace == CMYKColorspace) |
| 420 | for (x=0; x < (ssize_t) duplex->region.width; x++) |
| 421 | PixelSetBlackQuantum(duplex->pixel_wands[id][x],duplex_indexes[x]); |
| 422 | if (duplex_image->storage_class == PseudoClass) |
| 423 | for (x=0; x < (ssize_t) duplex->region.width; x++) |
| 424 | PixelSetIndex(duplex->pixel_wands[id][x],duplex_indexes[x]); |
| 425 | destination_pixels=GetCacheViewAuthenticPixels(destination->view, |
| 426 | destination->region.x,y,destination->region.width,1,exception); |
| 427 | if (destination_pixels == (PixelPacket *) NULL) |
| 428 | { |
| 429 | status=MagickFalse; |
| 430 | continue; |
| 431 | } |
| 432 | destination_indexes=GetCacheViewAuthenticIndexQueue(destination->view); |
| 433 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 434 | PixelSetQuantumColor(destination->pixel_wands[id][x], |
| 435 | destination_pixels+x); |
| 436 | if (destination_image->colorspace == CMYKColorspace) |
| 437 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 438 | PixelSetBlackQuantum(destination->pixel_wands[id][x], |
| 439 | destination_indexes[x]); |
| 440 | if (destination_image->storage_class == PseudoClass) |
| 441 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 442 | PixelSetIndex(destination->pixel_wands[id][x],destination_indexes[x]); |
| 443 | if (transfer(source,duplex,destination,context) == MagickFalse) |
| 444 | status=MagickFalse; |
| 445 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 446 | PixelGetQuantumColor(destination->pixel_wands[id][x], |
| 447 | destination_pixels+x); |
| 448 | if (destination_image->colorspace == CMYKColorspace) |
| 449 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 450 | destination_indexes[x]=PixelGetBlackQuantum( |
| 451 | destination->pixel_wands[id][x]); |
| 452 | sync=SyncCacheViewAuthenticPixels(destination->view,exception); |
| 453 | if (sync == MagickFalse) |
| 454 | { |
| 455 | InheritException(destination->exception,GetCacheViewException( |
| 456 | source->view)); |
| 457 | status=MagickFalse; |
| 458 | } |
| 459 | if (source_image->progress_monitor != (MagickProgressMonitor) NULL) |
| 460 | { |
| 461 | MagickBooleanType |
| 462 | proceed; |
| 463 | |
| 464 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 465 | #pragma omp critical (MagickWand_DuplexTransferPixelViewIterator) |
| 466 | #endif |
| 467 | proceed=SetImageProgress(source_image,DuplexTransferPixelViewTag, |
| 468 | progress++,source->region.height); |
| 469 | if (proceed == MagickFalse) |
| 470 | status=MagickFalse; |
| 471 | } |
| 472 | } |
| 473 | return(status); |
| 474 | } |
| 475 | |
| 476 | /* |
| 477 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 478 | % % |
| 479 | % % |
| 480 | % % |
| 481 | % G e t P i x e l V i e w E x c e p t i o n % |
| 482 | % % |
| 483 | % % |
| 484 | % % |
| 485 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 486 | % |
| 487 | % GetPixelViewException() returns the severity, reason, and description of any |
| 488 | % error that occurs when utilizing a pixel view. |
| 489 | % |
| 490 | % The format of the GetPixelViewException method is: |
| 491 | % |
| 492 | % char *GetPixelViewException(const PixelWand *pixel_view, |
| 493 | % ExceptionType *severity) |
| 494 | % |
| 495 | % A description of each parameter follows: |
| 496 | % |
| 497 | % o pixel_view: the pixel pixel_view. |
| 498 | % |
| 499 | % o severity: the severity of the error is returned here. |
| 500 | % |
| 501 | */ |
| 502 | WandExport char *GetPixelViewException(const PixelView *pixel_view, |
| 503 | ExceptionType *severity) |
| 504 | { |
| 505 | char |
| 506 | *description; |
| 507 | |
| 508 | assert(pixel_view != (const PixelView *) NULL); |
| 509 | assert(pixel_view->signature == WandSignature); |
| 510 | if (pixel_view->debug != MagickFalse) |
| 511 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",pixel_view->name); |
| 512 | assert(severity != (ExceptionType *) NULL); |
| 513 | *severity=pixel_view->exception->severity; |
| 514 | description=(char *) AcquireQuantumMemory(2UL*MaxTextExtent, |
| 515 | sizeof(*description)); |
| 516 | if (description == (char *) NULL) |
| 517 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 518 | pixel_view->name); |
| 519 | *description='\0'; |
| 520 | if (pixel_view->exception->reason != (char *) NULL) |
| 521 | (void) CopyMagickString(description,GetLocaleExceptionMessage( |
| 522 | pixel_view->exception->severity,pixel_view->exception->reason), |
| 523 | MaxTextExtent); |
| 524 | if (pixel_view->exception->description != (char *) NULL) |
| 525 | { |
| 526 | (void) ConcatenateMagickString(description," (",MaxTextExtent); |
| 527 | (void) ConcatenateMagickString(description,GetLocaleExceptionMessage( |
| 528 | pixel_view->exception->severity,pixel_view->exception->description), |
| 529 | MaxTextExtent); |
| 530 | (void) ConcatenateMagickString(description,")",MaxTextExtent); |
| 531 | } |
| 532 | return(description); |
| 533 | } |
| 534 | |
| 535 | /* |
| 536 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 537 | % % |
| 538 | % % |
| 539 | % % |
| 540 | % G e t P i x e l V i e w H e i g h t % |
| 541 | % % |
| 542 | % % |
| 543 | % % |
| 544 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 545 | % |
| 546 | % GetPixelViewHeight() returns the pixel view height. |
| 547 | % |
| 548 | % The format of the GetPixelViewHeight method is: |
| 549 | % |
| 550 | % size_t GetPixelViewHeight(const PixelView *pixel_view) |
| 551 | % |
| 552 | % A description of each parameter follows: |
| 553 | % |
| 554 | % o pixel_view: the pixel view. |
| 555 | % |
| 556 | */ |
| 557 | WandExport size_t GetPixelViewHeight(const PixelView *pixel_view) |
| 558 | { |
| 559 | assert(pixel_view != (PixelView *) NULL); |
| 560 | assert(pixel_view->signature == WandSignature); |
| 561 | return(pixel_view->region.height); |
| 562 | } |
| 563 | |
| 564 | /* |
| 565 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 566 | % % |
| 567 | % % |
| 568 | % % |
| 569 | % G e t P i x e l V i e w I t e r a t o r % |
| 570 | % % |
| 571 | % % |
| 572 | % % |
| 573 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 574 | % |
| 575 | % GetPixelViewIterator() iterates over the pixel view in parallel and calls |
| 576 | % your get method for each scanline of the view. The pixel region is |
| 577 | % not confined to the image canvas-- that is you can include negative offsets |
| 578 | % or widths or heights that exceed the image dimension. Any updates to |
| 579 | % the pixels in your callback are ignored. |
| 580 | % |
| 581 | % Use this pragma: |
| 582 | % |
| 583 | % #pragma omp critical |
| 584 | % |
| 585 | % to define a section of code in your callback get method that must be |
| 586 | % executed by a single thread at a time. |
| 587 | % |
| 588 | % The format of the GetPixelViewIterator method is: |
| 589 | % |
| 590 | % MagickBooleanType GetPixelViewIterator(PixelView *source, |
| 591 | % GetPixelViewMethod get,void *context) |
| 592 | % |
| 593 | % A description of each parameter follows: |
| 594 | % |
| 595 | % o source: the source pixel view. |
| 596 | % |
| 597 | % o get: the get callback method. |
| 598 | % |
| 599 | % o context: the user defined context. |
| 600 | % |
| 601 | */ |
| 602 | WandExport MagickBooleanType GetPixelViewIterator(PixelView *source, |
| 603 | GetPixelViewMethod get,void *context) |
| 604 | { |
| 605 | #define GetPixelViewTag "PixelView/Get" |
| 606 | |
| 607 | Image |
| 608 | *source_image; |
| 609 | |
| 610 | MagickBooleanType |
| 611 | status; |
| 612 | |
| 613 | MagickOffsetType |
| 614 | progress; |
| 615 | |
| 616 | ssize_t |
| 617 | y; |
| 618 | |
| 619 | assert(source != (PixelView *) NULL); |
| 620 | assert(source->signature == WandSignature); |
| 621 | if (get == (GetPixelViewMethod) NULL) |
| 622 | return(MagickFalse); |
| 623 | source_image=source->wand->images; |
| 624 | status=MagickTrue; |
| 625 | progress=0; |
| 626 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 627 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
| 628 | #endif |
| 629 | for (y=source->region.y; y < (ssize_t) source->region.height; y++) |
| 630 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 631 | const int |
| 632 | id = GetOpenMPThreadId(); |
| 633 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 634 | register const IndexPacket |
| 635 | *indexes; |
| 636 | |
| 637 | register const PixelPacket |
| 638 | *pixels; |
| 639 | |
| 640 | register ssize_t |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 641 | x; |
| 642 | |
| 643 | if (status == MagickFalse) |
| 644 | continue; |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 645 | pixels=GetCacheViewVirtualPixels(source->view,source->region.x,y, |
| 646 | source->region.width,1,source->exception); |
| 647 | if (pixels == (const PixelPacket *) NULL) |
| 648 | { |
| 649 | status=MagickFalse; |
| 650 | continue; |
| 651 | } |
| 652 | indexes=GetCacheViewVirtualIndexQueue(source->view); |
| 653 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 654 | PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x); |
| 655 | if (source_image->colorspace == CMYKColorspace) |
| 656 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 657 | PixelSetBlackQuantum(source->pixel_wands[id][x],indexes[x]); |
| 658 | if (source_image->storage_class == PseudoClass) |
| 659 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 660 | PixelSetIndex(source->pixel_wands[id][x],indexes[x]); |
| 661 | if (get(source,context) == MagickFalse) |
| 662 | status=MagickFalse; |
| 663 | if (source_image->progress_monitor != (MagickProgressMonitor) NULL) |
| 664 | { |
| 665 | MagickBooleanType |
| 666 | proceed; |
| 667 | |
| 668 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 669 | #pragma omp critical (MagickWand_GetPixelViewIterator) |
| 670 | #endif |
| 671 | proceed=SetImageProgress(source_image,GetPixelViewTag,progress++, |
| 672 | source->region.height); |
| 673 | if (proceed == MagickFalse) |
| 674 | status=MagickFalse; |
| 675 | } |
| 676 | } |
| 677 | return(status); |
| 678 | } |
| 679 | |
| 680 | /* |
| 681 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 682 | % % |
| 683 | % % |
| 684 | % % |
| 685 | % G e t P i x e l V i e w P i x e l s % |
| 686 | % % |
| 687 | % % |
| 688 | % % |
| 689 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 690 | % |
| 691 | % GetPixelViewPixels() returns the pixel view pixel_wands. |
| 692 | % |
| 693 | % The format of the GetPixelViewPixels method is: |
| 694 | % |
| 695 | % PixelWand *GetPixelViewPixels(const PixelView *pixel_view) |
| 696 | % |
| 697 | % A description of each parameter follows: |
| 698 | % |
| 699 | % o pixel_view: the pixel view. |
| 700 | % |
| 701 | */ |
| 702 | WandExport PixelWand **GetPixelViewPixels(const PixelView *pixel_view) |
| 703 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 704 | const int |
| 705 | id = GetOpenMPThreadId(); |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 706 | |
| 707 | assert(pixel_view != (PixelView *) NULL); |
| 708 | assert(pixel_view->signature == WandSignature); |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 709 | return(pixel_view->pixel_wands[id]); |
| 710 | } |
| 711 | |
| 712 | /* |
| 713 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 714 | % % |
| 715 | % % |
| 716 | % % |
| 717 | % G e t P i x e l V i e w W a n d % |
| 718 | % % |
| 719 | % % |
| 720 | % % |
| 721 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 722 | % |
| 723 | % GetPixelViewWand() returns the magick wand associated with the pixel view. |
| 724 | % |
| 725 | % The format of the GetPixelViewWand method is: |
| 726 | % |
| 727 | % MagickWand *GetPixelViewWand(const PixelView *pixel_view) |
| 728 | % |
| 729 | % A description of each parameter follows: |
| 730 | % |
| 731 | % o pixel_view: the pixel view. |
| 732 | % |
| 733 | */ |
| 734 | WandExport MagickWand *GetPixelViewWand(const PixelView *pixel_view) |
| 735 | { |
| 736 | assert(pixel_view != (PixelView *) NULL); |
| 737 | assert(pixel_view->signature == WandSignature); |
| 738 | return(pixel_view->wand); |
| 739 | } |
| 740 | |
| 741 | /* |
| 742 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 743 | % % |
| 744 | % % |
| 745 | % % |
| 746 | % G e t P i x e l V i e w W i d t h % |
| 747 | % % |
| 748 | % % |
| 749 | % % |
| 750 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 751 | % |
| 752 | % GetPixelViewWidth() returns the pixel view width. |
| 753 | % |
| 754 | % The format of the GetPixelViewWidth method is: |
| 755 | % |
| 756 | % size_t GetPixelViewWidth(const PixelView *pixel_view) |
| 757 | % |
| 758 | % A description of each parameter follows: |
| 759 | % |
| 760 | % o pixel_view: the pixel view. |
| 761 | % |
| 762 | */ |
| 763 | WandExport size_t GetPixelViewWidth(const PixelView *pixel_view) |
| 764 | { |
| 765 | assert(pixel_view != (PixelView *) NULL); |
| 766 | assert(pixel_view->signature == WandSignature); |
| 767 | return(pixel_view->region.width); |
| 768 | } |
| 769 | |
| 770 | /* |
| 771 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 772 | % % |
| 773 | % % |
| 774 | % % |
| 775 | % G e t P i x e l V i e w X % |
| 776 | % % |
| 777 | % % |
| 778 | % % |
| 779 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 780 | % |
| 781 | % GetPixelViewX() returns the pixel view x offset. |
| 782 | % |
| 783 | % The format of the GetPixelViewX method is: |
| 784 | % |
| 785 | % ssize_t GetPixelViewX(const PixelView *pixel_view) |
| 786 | % |
| 787 | % A description of each parameter follows: |
| 788 | % |
| 789 | % o pixel_view: the pixel view. |
| 790 | % |
| 791 | */ |
| 792 | WandExport ssize_t GetPixelViewX(const PixelView *pixel_view) |
| 793 | { |
| 794 | assert(pixel_view != (PixelView *) NULL); |
| 795 | assert(pixel_view->signature == WandSignature); |
| 796 | return(pixel_view->region.x); |
| 797 | } |
| 798 | |
| 799 | /* |
| 800 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 801 | % % |
| 802 | % % |
| 803 | % % |
| 804 | % G e t P i x e l V i e w Y % |
| 805 | % % |
| 806 | % % |
| 807 | % % |
| 808 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 809 | % |
| 810 | % GetPixelViewY() returns the pixel view y offset. |
| 811 | % |
| 812 | % The format of the GetPixelViewY method is: |
| 813 | % |
| 814 | % ssize_t GetPixelViewY(const PixelView *pixel_view) |
| 815 | % |
| 816 | % A description of each parameter follows: |
| 817 | % |
| 818 | % o pixel_view: the pixel view. |
| 819 | % |
| 820 | */ |
| 821 | WandExport ssize_t GetPixelViewY(const PixelView *pixel_view) |
| 822 | { |
| 823 | assert(pixel_view != (PixelView *) NULL); |
| 824 | assert(pixel_view->signature == WandSignature); |
| 825 | return(pixel_view->region.y); |
| 826 | } |
| 827 | |
| 828 | /* |
| 829 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 830 | % % |
| 831 | % % |
| 832 | % % |
| 833 | % I s P i x e l V i e w % |
| 834 | % % |
| 835 | % % |
| 836 | % % |
| 837 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 838 | % |
| 839 | % IsPixelView() returns MagickTrue if the the parameter is verified as a pixel |
| 840 | % view container. |
| 841 | % |
| 842 | % The format of the IsPixelView method is: |
| 843 | % |
| 844 | % MagickBooleanType IsPixelView(const PixelView *pixel_view) |
| 845 | % |
| 846 | % A description of each parameter follows: |
| 847 | % |
| 848 | % o pixel_view: the pixel view. |
| 849 | % |
| 850 | */ |
| 851 | WandExport MagickBooleanType IsPixelView(const PixelView *pixel_view) |
| 852 | { |
| 853 | size_t |
| 854 | length; |
| 855 | |
| 856 | if (pixel_view == (const PixelView *) NULL) |
| 857 | return(MagickFalse); |
| 858 | if (pixel_view->signature != WandSignature) |
| 859 | return(MagickFalse); |
| 860 | length=strlen(PixelViewId); |
| 861 | if (LocaleNCompare(pixel_view->name,PixelViewId,length) != 0) |
| 862 | return(MagickFalse); |
| 863 | return(MagickTrue); |
| 864 | } |
| 865 | |
| 866 | /* |
| 867 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 868 | % % |
| 869 | % % |
| 870 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 871 | % M a g i c k C l i p P a t h I m a g e % |
| 872 | % % |
| 873 | % % |
| 874 | % % |
| 875 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 876 | % |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 877 | % MagickClipPathImage() clips along the named paths from the 8BIM profile, if |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 878 | % present. Later operations take effect inside the path. Id may be a number |
| 879 | % if preceded with #, to work on a numbered path, e.g., "#1" to use the first |
| 880 | % path. |
| 881 | % |
| 882 | % The format of the MagickClipPathImage method is: |
| 883 | % |
| 884 | % MagickBooleanType MagickClipPathImage(MagickWand *wand, |
| 885 | % const char *pathname,const MagickBooleanType inside) |
| 886 | % |
| 887 | % A description of each parameter follows: |
| 888 | % |
| 889 | % o wand: the magick wand. |
| 890 | % |
| 891 | % o pathname: name of clipping path resource. If name is preceded by #, use |
| 892 | % clipping path numbered by name. |
| 893 | % |
| 894 | % o inside: if non-zero, later operations take effect inside clipping path. |
| 895 | % Otherwise later operations take effect outside clipping path. |
| 896 | % |
| 897 | */ |
| 898 | WandExport MagickBooleanType MagickClipPathImage(MagickWand *wand, |
| 899 | const char *pathname,const MagickBooleanType inside) |
| 900 | { |
| 901 | return(MagickClipImagePath(wand,pathname,inside)); |
| 902 | } |
| 903 | /* |
| 904 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 905 | % % |
| 906 | % % |
| 907 | % % |
| 908 | % D r a w G e t F i l l A l p h a % |
| 909 | % % |
| 910 | % % |
| 911 | % % |
| 912 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 913 | % |
| 914 | % DrawGetFillAlpha() returns the alpha used when drawing using the fill |
| 915 | % color or fill texture. Fully opaque is 1.0. |
| 916 | % |
| 917 | % The format of the DrawGetFillAlpha method is: |
| 918 | % |
| 919 | % double DrawGetFillAlpha(const DrawingWand *wand) |
| 920 | % |
| 921 | % A description of each parameter follows: |
| 922 | % |
| 923 | % o wand: the drawing wand. |
| 924 | % |
| 925 | */ |
| 926 | WandExport double DrawGetFillAlpha(const DrawingWand *wand) |
| 927 | { |
| 928 | return(DrawGetFillOpacity(wand)); |
| 929 | } |
| 930 | |
| 931 | /* |
| 932 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 933 | % % |
| 934 | % % |
| 935 | % % |
| 936 | % D r a w G e t S t r o k e A l p h a % |
| 937 | % % |
| 938 | % % |
| 939 | % % |
| 940 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 941 | % |
| 942 | % DrawGetStrokeAlpha() returns the alpha of stroked object outlines. |
| 943 | % |
| 944 | % The format of the DrawGetStrokeAlpha method is: |
| 945 | % |
| 946 | % double DrawGetStrokeAlpha(const DrawingWand *wand) |
| 947 | % |
| 948 | % A description of each parameter follows: |
| 949 | % |
| 950 | % o wand: the drawing wand. |
| 951 | */ |
| 952 | WandExport double DrawGetStrokeAlpha(const DrawingWand *wand) |
| 953 | { |
| 954 | return(DrawGetStrokeOpacity(wand)); |
| 955 | } |
| 956 | |
| 957 | /* |
| 958 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 959 | % % |
| 960 | % % |
| 961 | % % |
| 962 | % D r a w P e e k G r a p h i c W a n d % |
| 963 | % % |
| 964 | % % |
| 965 | % % |
| 966 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 967 | % |
| 968 | % DrawPeekGraphicWand() returns the current drawing wand. |
| 969 | % |
| 970 | % The format of the PeekDrawingWand method is: |
| 971 | % |
| 972 | % DrawInfo *DrawPeekGraphicWand(const DrawingWand *wand) |
| 973 | % |
| 974 | % A description of each parameter follows: |
| 975 | % |
| 976 | % o wand: the drawing wand. |
| 977 | % |
| 978 | */ |
| 979 | WandExport DrawInfo *DrawPeekGraphicWand(const DrawingWand *wand) |
| 980 | { |
| 981 | return(PeekDrawingWand(wand)); |
| 982 | } |
| 983 | |
| 984 | /* |
| 985 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 986 | % % |
| 987 | % % |
| 988 | % % |
| 989 | % D r a w P o p G r a p h i c C o n t e x t % |
| 990 | % % |
| 991 | % % |
| 992 | % % |
| 993 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 994 | % |
| 995 | % DrawPopGraphicContext() destroys the current drawing wand and returns to the |
| 996 | % previously pushed drawing wand. Multiple drawing wands may exist. It is an |
| 997 | % error to attempt to pop more drawing wands than have been pushed, and it is |
| 998 | % proper form to pop all drawing wands which have been pushed. |
| 999 | % |
| 1000 | % The format of the DrawPopGraphicContext method is: |
| 1001 | % |
| 1002 | % MagickBooleanType DrawPopGraphicContext(DrawingWand *wand) |
| 1003 | % |
| 1004 | % A description of each parameter follows: |
| 1005 | % |
| 1006 | % o wand: the drawing wand. |
| 1007 | % |
| 1008 | */ |
| 1009 | WandExport void DrawPopGraphicContext(DrawingWand *wand) |
| 1010 | { |
| 1011 | (void) PopDrawingWand(wand); |
| 1012 | } |
| 1013 | |
| 1014 | /* |
| 1015 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1016 | % % |
| 1017 | % % |
| 1018 | % % |
| 1019 | % D r a w P u s h G r a p h i c C o n t e x t % |
| 1020 | % % |
| 1021 | % % |
| 1022 | % % |
| 1023 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1024 | % |
| 1025 | % DrawPushGraphicContext() clones the current drawing wand to create a new |
| 1026 | % drawing wand. The original drawing wand(s) may be returned to by |
| 1027 | % invoking PopDrawingWand(). The drawing wands are stored on a drawing wand |
| 1028 | % stack. For every Pop there must have already been an equivalent Push. |
| 1029 | % |
| 1030 | % The format of the DrawPushGraphicContext method is: |
| 1031 | % |
| 1032 | % MagickBooleanType DrawPushGraphicContext(DrawingWand *wand) |
| 1033 | % |
| 1034 | % A description of each parameter follows: |
| 1035 | % |
| 1036 | % o wand: the drawing wand. |
| 1037 | % |
| 1038 | */ |
| 1039 | WandExport void DrawPushGraphicContext(DrawingWand *wand) |
| 1040 | { |
| 1041 | (void) PushDrawingWand(wand); |
| 1042 | } |
| 1043 | |
| 1044 | /* |
| 1045 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1046 | % % |
| 1047 | % % |
| 1048 | % % |
| 1049 | % D r a w S e t F i l l A l p h a % |
| 1050 | % % |
| 1051 | % % |
| 1052 | % % |
| 1053 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1054 | % |
| 1055 | % DrawSetFillAlpha() sets the alpha to use when drawing using the fill |
| 1056 | % color or fill texture. Fully opaque is 1.0. |
| 1057 | % |
| 1058 | % The format of the DrawSetFillAlpha method is: |
| 1059 | % |
| 1060 | % void DrawSetFillAlpha(DrawingWand *wand,const double fill_alpha) |
| 1061 | % |
| 1062 | % A description of each parameter follows: |
| 1063 | % |
| 1064 | % o wand: the drawing wand. |
| 1065 | % |
| 1066 | % o fill_alpha: fill alpha |
| 1067 | % |
| 1068 | */ |
| 1069 | WandExport void DrawSetFillAlpha(DrawingWand *wand,const double fill_alpha) |
| 1070 | { |
| 1071 | DrawSetFillOpacity(wand,fill_alpha); |
| 1072 | } |
| 1073 | |
| 1074 | /* |
| 1075 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1076 | % % |
| 1077 | % % |
| 1078 | % % |
| 1079 | % D r a w S e t S t r o k e A l p h a % |
| 1080 | % % |
| 1081 | % % |
| 1082 | % % |
| 1083 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1084 | % |
| 1085 | % DrawSetStrokeAlpha() specifies the alpha of stroked object outlines. |
| 1086 | % |
| 1087 | % The format of the DrawSetStrokeAlpha method is: |
| 1088 | % |
| 1089 | % void DrawSetStrokeAlpha(DrawingWand *wand,const double stroke_alpha) |
| 1090 | % |
| 1091 | % A description of each parameter follows: |
| 1092 | % |
| 1093 | % o wand: the drawing wand. |
| 1094 | % |
| 1095 | % o stroke_alpha: stroke alpha. The value 1.0 is opaque. |
| 1096 | % |
| 1097 | */ |
| 1098 | WandExport void DrawSetStrokeAlpha(DrawingWand *wand,const double stroke_alpha) |
| 1099 | { |
| 1100 | DrawSetStrokeOpacity(wand,stroke_alpha); |
| 1101 | } |
| 1102 | |
| 1103 | /* |
| 1104 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1105 | % % |
| 1106 | % % |
| 1107 | % % |
| 1108 | % M a g i c k C o l o r F l o o d f i l l I m a g e % |
| 1109 | % % |
| 1110 | % % |
| 1111 | % % |
| 1112 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1113 | % |
| 1114 | % MagickColorFloodfillImage() changes the color value of any pixel that matches |
| 1115 | % target and is an immediate neighbor. If the method FillToBorderMethod is |
| 1116 | % specified, the color value is changed for any neighbor pixel that does not |
| 1117 | % match the bordercolor member of image. |
| 1118 | % |
| 1119 | % The format of the MagickColorFloodfillImage method is: |
| 1120 | % |
| 1121 | % MagickBooleanType MagickColorFloodfillImage(MagickWand *wand, |
| 1122 | % const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1123 | % const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1124 | % |
| 1125 | % A description of each parameter follows: |
| 1126 | % |
| 1127 | % o wand: the magick wand. |
| 1128 | % |
| 1129 | % o fill: the floodfill color pixel wand. |
| 1130 | % |
| 1131 | % o fuzz: By default target must match a particular pixel color |
| 1132 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1133 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1134 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1135 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1136 | % as the same color for the purposes of the floodfill. |
| 1137 | % |
| 1138 | % o bordercolor: the border color pixel wand. |
| 1139 | % |
| 1140 | % o x,y: the starting location of the operation. |
| 1141 | % |
| 1142 | */ |
| 1143 | WandExport MagickBooleanType MagickColorFloodfillImage(MagickWand *wand, |
| 1144 | const PixelWand *fill,const double fuzz,const PixelWand *bordercolor, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1145 | const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1146 | { |
| 1147 | DrawInfo |
| 1148 | *draw_info; |
| 1149 | |
| 1150 | MagickBooleanType |
| 1151 | status; |
| 1152 | |
| 1153 | PixelPacket |
| 1154 | target; |
| 1155 | |
| 1156 | assert(wand != (MagickWand *) NULL); |
| 1157 | assert(wand->signature == WandSignature); |
| 1158 | if (wand->debug != MagickFalse) |
| 1159 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1160 | if (wand->images == (Image *) NULL) |
| 1161 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1162 | draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); |
| 1163 | PixelGetQuantumColor(fill,&draw_info->fill); |
| 1164 | (void) GetOneVirtualPixel(wand->images,x % wand->images->columns, |
| 1165 | y % wand->images->rows,&target,wand->exception); |
| 1166 | if (bordercolor != (PixelWand *) NULL) |
| 1167 | PixelGetQuantumColor(bordercolor,&target); |
| 1168 | wand->images->fuzz=fuzz; |
| 1169 | status=ColorFloodfillImage(wand->images,draw_info,target,x,y, |
| 1170 | bordercolor != (PixelWand *) NULL ? FillToBorderMethod : FloodfillMethod); |
| 1171 | if (status == MagickFalse) |
| 1172 | InheritException(wand->exception,&wand->images->exception); |
| 1173 | draw_info=DestroyDrawInfo(draw_info); |
| 1174 | return(status); |
| 1175 | } |
| 1176 | |
| 1177 | /* |
| 1178 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1179 | % % |
| 1180 | % % |
| 1181 | % % |
| 1182 | % M a g i c k D e s c r i b e I m a g e % |
| 1183 | % % |
| 1184 | % % |
| 1185 | % % |
| 1186 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1187 | % |
| 1188 | % MagickDescribeImage() identifies an image by printing its attributes to the |
| 1189 | % file. Attributes include the image width, height, size, and others. |
| 1190 | % |
| 1191 | % The format of the MagickDescribeImage method is: |
| 1192 | % |
| 1193 | % const char *MagickDescribeImage(MagickWand *wand) |
| 1194 | % |
| 1195 | % A description of each parameter follows: |
| 1196 | % |
| 1197 | % o wand: the magick wand. |
| 1198 | % |
| 1199 | */ |
| 1200 | WandExport char *MagickDescribeImage(MagickWand *wand) |
| 1201 | { |
| 1202 | return(MagickIdentifyImage(wand)); |
| 1203 | } |
| 1204 | |
| 1205 | /* |
| 1206 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1207 | % % |
| 1208 | % % |
| 1209 | % % |
| 1210 | % M a g i c k F l a t t e n I m a g e s % |
| 1211 | % % |
| 1212 | % % |
| 1213 | % % |
| 1214 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1215 | % |
| 1216 | % MagickFlattenImages() merges a sequence of images. This useful for |
| 1217 | % combining Photoshop layers into a single image. |
| 1218 | % |
| 1219 | % The format of the MagickFlattenImages method is: |
| 1220 | % |
| 1221 | % MagickWand *MagickFlattenImages(MagickWand *wand) |
| 1222 | % |
| 1223 | % A description of each parameter follows: |
| 1224 | % |
| 1225 | % o wand: the magick wand. |
| 1226 | % |
| 1227 | */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1228 | WandExport MagickWand *MagickFlattenImages(MagickWand *wand) |
| 1229 | { |
| 1230 | Image |
| 1231 | *flatten_image; |
| 1232 | |
| 1233 | assert(wand != (MagickWand *) NULL); |
| 1234 | assert(wand->signature == WandSignature); |
| 1235 | if (wand->debug != MagickFalse) |
| 1236 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1237 | if (wand->images == (Image *) NULL) |
| 1238 | return((MagickWand *) NULL); |
| 1239 | flatten_image=FlattenImages(wand->images,wand->exception); |
| 1240 | if (flatten_image == (Image *) NULL) |
| 1241 | return((MagickWand *) NULL); |
| 1242 | return(CloneMagickWandFromImages(wand,flatten_image)); |
| 1243 | } |
| 1244 | |
| 1245 | /* |
| 1246 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1247 | % % |
| 1248 | % % |
| 1249 | % % |
| 1250 | % M a g i c k G e t I m a g e A t t r i b u t e % |
| 1251 | % % |
| 1252 | % % |
| 1253 | % % |
| 1254 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1255 | % |
| 1256 | % MagickGetImageAttribute() returns a value associated with the specified |
| 1257 | % property. Use MagickRelinquishMemory() to free the value when you are |
| 1258 | % finished with it. |
| 1259 | % |
| 1260 | % The format of the MagickGetImageAttribute method is: |
| 1261 | % |
| 1262 | % char *MagickGetImageAttribute(MagickWand *wand,const char *property) |
| 1263 | % |
| 1264 | % A description of each parameter follows: |
| 1265 | % |
| 1266 | % o wand: the magick wand. |
| 1267 | % |
| 1268 | % o property: the property. |
| 1269 | % |
| 1270 | */ |
| 1271 | WandExport char *MagickGetImageAttribute(MagickWand *wand,const char *property) |
| 1272 | { |
| 1273 | return(MagickGetImageProperty(wand,property)); |
| 1274 | } |
| 1275 | |
| 1276 | /* |
| 1277 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1278 | % % |
| 1279 | % % |
| 1280 | % % |
| 1281 | + M a g i c k G e t I m a g e I n d e x % |
| 1282 | % % |
| 1283 | % % |
| 1284 | % % |
| 1285 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1286 | % |
| 1287 | % MagickGetImageIndex() returns the index of the current image. |
| 1288 | % |
| 1289 | % The format of the MagickGetImageIndex method is: |
| 1290 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1291 | % ssize_t MagickGetImageIndex(MagickWand *wand) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1292 | % |
| 1293 | % A description of each parameter follows: |
| 1294 | % |
| 1295 | % o wand: the magick wand. |
| 1296 | % |
| 1297 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1298 | WandExport ssize_t MagickGetImageIndex(MagickWand *wand) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1299 | { |
| 1300 | return(MagickGetIteratorIndex(wand)); |
| 1301 | } |
| 1302 | |
| 1303 | /* |
| 1304 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1305 | % % |
| 1306 | % % |
| 1307 | % % |
| 1308 | + M a g i c k G e t I m a g e C h a n n e l E x t r e m a % |
| 1309 | % % |
| 1310 | % % |
| 1311 | % % |
| 1312 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1313 | % |
| 1314 | % MagickGetImageChannelExtrema() gets the extrema for one or more image |
| 1315 | % channels. |
| 1316 | % |
| 1317 | % The format of the MagickGetImageChannelExtrema method is: |
| 1318 | % |
| 1319 | % MagickBooleanType MagickGetImageChannelExtrema(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1320 | % const ChannelType channel,size_t *minima,size_t *maxima) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1321 | % |
| 1322 | % A description of each parameter follows: |
| 1323 | % |
| 1324 | % o wand: the magick wand. |
| 1325 | % |
| 1326 | % o channel: the image channel(s). |
| 1327 | % |
| 1328 | % o minima: The minimum pixel value for the specified channel(s). |
| 1329 | % |
| 1330 | % o maxima: The maximum pixel value for the specified channel(s). |
| 1331 | % |
| 1332 | */ |
| 1333 | WandExport MagickBooleanType MagickGetImageChannelExtrema(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1334 | const ChannelType channel,size_t *minima,size_t *maxima) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1335 | { |
| 1336 | MagickBooleanType |
| 1337 | status; |
| 1338 | |
| 1339 | assert(wand != (MagickWand *) NULL); |
| 1340 | assert(wand->signature == WandSignature); |
| 1341 | if (wand->debug != MagickFalse) |
| 1342 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1343 | if (wand->images == (Image *) NULL) |
| 1344 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1345 | status=GetImageChannelExtrema(wand->images,channel,minima,maxima, |
| 1346 | wand->exception); |
| 1347 | return(status); |
| 1348 | } |
| 1349 | |
| 1350 | /* |
| 1351 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1352 | % % |
| 1353 | % % |
| 1354 | % % |
| 1355 | + M a g i c k G e t I m a g e E x t r e m a % |
| 1356 | % % |
| 1357 | % % |
| 1358 | % % |
| 1359 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1360 | % |
| 1361 | % MagickGetImageExtrema() gets the extrema for the image. |
| 1362 | % |
| 1363 | % The format of the MagickGetImageExtrema method is: |
| 1364 | % |
| 1365 | % MagickBooleanType MagickGetImageExtrema(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1366 | % size_t *minima,size_t *maxima) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1367 | % |
| 1368 | % A description of each parameter follows: |
| 1369 | % |
| 1370 | % o wand: the magick wand. |
| 1371 | % |
| 1372 | % o minima: The minimum pixel value for the specified channel(s). |
| 1373 | % |
| 1374 | % o maxima: The maximum pixel value for the specified channel(s). |
| 1375 | % |
| 1376 | */ |
| 1377 | WandExport MagickBooleanType MagickGetImageExtrema(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1378 | size_t *minima,size_t *maxima) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1379 | { |
| 1380 | MagickBooleanType |
| 1381 | status; |
| 1382 | |
| 1383 | assert(wand != (MagickWand *) NULL); |
| 1384 | assert(wand->signature == WandSignature); |
| 1385 | if (wand->debug != MagickFalse) |
| 1386 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1387 | if (wand->images == (Image *) NULL) |
| 1388 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1389 | status=GetImageExtrema(wand->images,minima,maxima,wand->exception); |
| 1390 | return(status); |
| 1391 | } |
| 1392 | |
| 1393 | /* |
| 1394 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1395 | % % |
| 1396 | % % |
| 1397 | % % |
| 1398 | % M a g i c k G e t I m a g e M a t t e % |
| 1399 | % % |
| 1400 | % % |
| 1401 | % % |
| 1402 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1403 | % |
| 1404 | % MagickGetImageMatte() returns MagickTrue if the image has a matte channel |
| 1405 | % otherwise MagickFalse. |
| 1406 | % |
| 1407 | % The format of the MagickGetImageMatte method is: |
| 1408 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1409 | % size_t MagickGetImageMatte(MagickWand *wand) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1410 | % |
| 1411 | % A description of each parameter follows: |
| 1412 | % |
| 1413 | % o wand: the magick wand. |
| 1414 | % |
| 1415 | */ |
| 1416 | WandExport MagickBooleanType MagickGetImageMatte(MagickWand *wand) |
| 1417 | { |
| 1418 | assert(wand != (MagickWand *) NULL); |
| 1419 | assert(wand->signature == WandSignature); |
| 1420 | if (wand->debug != MagickFalse) |
| 1421 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1422 | if (wand->images == (Image *) NULL) |
| 1423 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1424 | return(wand->images->matte); |
| 1425 | } |
| 1426 | |
| 1427 | /* |
| 1428 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1429 | % % |
| 1430 | % % |
| 1431 | % % |
| 1432 | % M a g i c k G e t I m a g e P i x e l s % |
| 1433 | % % |
| 1434 | % % |
| 1435 | % % |
| 1436 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1437 | % |
| 1438 | % MagickGetImagePixels() extracts pixel data from an image and returns it to |
| 1439 | % you. The method returns MagickTrue on success otherwise MagickFalse if an |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1440 | % error is encountered. The data is returned as char, short int, int, ssize_t, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1441 | % float, or double in the order specified by map. |
| 1442 | % |
| 1443 | % Suppose you want to extract the first scanline of a 640x480 image as |
| 1444 | % character data in red-green-blue order: |
| 1445 | % |
| 1446 | % MagickGetImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); |
| 1447 | % |
| 1448 | % The format of the MagickGetImagePixels method is: |
| 1449 | % |
| 1450 | % MagickBooleanType MagickGetImagePixels(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1451 | % const ssize_t x,const ssize_t y,const size_t columns, |
| 1452 | % const size_t rows,const char *map,const StorageType storage, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1453 | % void *pixels) |
| 1454 | % |
| 1455 | % A description of each parameter follows: |
| 1456 | % |
| 1457 | % o wand: the magick wand. |
| 1458 | % |
| 1459 | % o x, y, columns, rows: These values define the perimeter |
| 1460 | % of a region of pixels you want to extract. |
| 1461 | % |
| 1462 | % o map: This string reflects the expected ordering of the pixel array. |
| 1463 | % It can be any combination or order of R = red, G = green, B = blue, |
| 1464 | % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, |
| 1465 | % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), |
| 1466 | % P = pad. |
| 1467 | % |
| 1468 | % o storage: Define the data type of the pixels. Float and double types are |
| 1469 | % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from |
| 1470 | % these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel, |
| 1471 | % LongPixel, QuantumPixel, or ShortPixel. |
| 1472 | % |
| 1473 | % o pixels: This array of values contain the pixel components as defined by |
| 1474 | % map and type. You must preallocate this array where the expected |
| 1475 | % length varies depending on the values of width, height, map, and type. |
| 1476 | % |
| 1477 | */ |
| 1478 | WandExport MagickBooleanType MagickGetImagePixels(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1479 | const ssize_t x,const ssize_t y,const size_t columns, |
| 1480 | const size_t rows,const char *map,const StorageType storage, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1481 | void *pixels) |
| 1482 | { |
| 1483 | return(MagickExportImagePixels(wand,x,y,columns,rows,map,storage,pixels)); |
| 1484 | } |
| 1485 | |
| 1486 | /* |
| 1487 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1488 | % % |
| 1489 | % % |
| 1490 | % % |
| 1491 | % M a g i c k G e t I m a g e S i z e % |
| 1492 | % % |
| 1493 | % % |
| 1494 | % % |
| 1495 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1496 | % |
| 1497 | % MagickGetImageSize() returns the image length in bytes. |
| 1498 | % |
| 1499 | % The format of the MagickGetImageSize method is: |
| 1500 | % |
| 1501 | % MagickBooleanType MagickGetImageSize(MagickWand *wand, |
| 1502 | % MagickSizeType *length) |
| 1503 | % |
| 1504 | % A description of each parameter follows: |
| 1505 | % |
| 1506 | % o wand: the magick wand. |
| 1507 | % |
| 1508 | % o length: the image length in bytes. |
| 1509 | % |
| 1510 | */ |
| 1511 | WandExport MagickSizeType MagickGetImageSize(MagickWand *wand) |
| 1512 | { |
| 1513 | assert(wand != (MagickWand *) NULL); |
| 1514 | assert(wand->signature == WandSignature); |
| 1515 | if (wand->debug != MagickFalse) |
| 1516 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1517 | if (wand->images == (Image *) NULL) |
| 1518 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1519 | return(GetBlobSize(wand->images)); |
| 1520 | } |
| 1521 | |
| 1522 | /* |
| 1523 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1524 | % % |
| 1525 | % % |
| 1526 | % % |
| 1527 | % M a g i c k M a p I m a g e % |
| 1528 | % % |
| 1529 | % % |
| 1530 | % % |
| 1531 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1532 | % |
| 1533 | % MagickMapImage() replaces the colors of an image with the closest color |
| 1534 | % from a reference image. |
| 1535 | % |
| 1536 | % The format of the MagickMapImage method is: |
| 1537 | % |
| 1538 | % MagickBooleanType MagickMapImage(MagickWand *wand, |
| 1539 | % const MagickWand *map_wand,const MagickBooleanType dither) |
| 1540 | % |
| 1541 | % A description of each parameter follows: |
| 1542 | % |
| 1543 | % o wand: the magick wand. |
| 1544 | % |
| 1545 | % o map: the map wand. |
| 1546 | % |
| 1547 | % o dither: Set this integer value to something other than zero to dither |
| 1548 | % the mapped image. |
| 1549 | % |
| 1550 | */ |
| 1551 | WandExport MagickBooleanType MagickMapImage(MagickWand *wand, |
| 1552 | const MagickWand *map_wand,const MagickBooleanType dither) |
| 1553 | { |
| 1554 | MagickBooleanType |
| 1555 | status; |
| 1556 | |
| 1557 | assert(wand != (MagickWand *) NULL); |
| 1558 | assert(wand->signature == WandSignature); |
| 1559 | if (wand->debug != MagickFalse) |
| 1560 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1561 | if ((wand->images == (Image *) NULL) || (map_wand->images == (Image *) NULL)) |
| 1562 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1563 | status=MapImage(wand->images,map_wand->images,dither); |
| 1564 | if (status == MagickFalse) |
| 1565 | InheritException(wand->exception,&wand->images->exception); |
| 1566 | return(status); |
| 1567 | } |
| 1568 | |
| 1569 | /* |
| 1570 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1571 | % % |
| 1572 | % % |
| 1573 | % % |
| 1574 | % M a g i c k M a t t e F l o o d f i l l I m a g e % |
| 1575 | % % |
| 1576 | % % |
| 1577 | % % |
| 1578 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1579 | % |
| 1580 | % MagickMatteFloodfillImage() changes the transparency value of any pixel that |
| 1581 | % matches target and is an immediate neighbor. If the method |
| 1582 | % FillToBorderMethod is specified, the transparency value is changed for any |
| 1583 | % neighbor pixel that does not match the bordercolor member of image. |
| 1584 | % |
| 1585 | % The format of the MagickMatteFloodfillImage method is: |
| 1586 | % |
| 1587 | % MagickBooleanType MagickMatteFloodfillImage(MagickWand *wand, |
| 1588 | % const double alpha,const double fuzz,const PixelWand *bordercolor, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1589 | % const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1590 | % |
| 1591 | % A description of each parameter follows: |
| 1592 | % |
| 1593 | % o wand: the magick wand. |
| 1594 | % |
| 1595 | % o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully |
| 1596 | % transparent. |
| 1597 | % |
| 1598 | % o fuzz: By default target must match a particular pixel color |
| 1599 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1600 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1601 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1602 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1603 | % as the same color for the purposes of the floodfill. |
| 1604 | % |
| 1605 | % o bordercolor: the border color pixel wand. |
| 1606 | % |
| 1607 | % o x,y: the starting location of the operation. |
| 1608 | % |
| 1609 | */ |
| 1610 | WandExport MagickBooleanType MagickMatteFloodfillImage(MagickWand *wand, |
| 1611 | const double alpha,const double fuzz,const PixelWand *bordercolor, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1612 | const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1613 | { |
| 1614 | DrawInfo |
| 1615 | *draw_info; |
| 1616 | |
| 1617 | MagickBooleanType |
| 1618 | status; |
| 1619 | |
| 1620 | PixelPacket |
| 1621 | target; |
| 1622 | |
| 1623 | assert(wand != (MagickWand *) NULL); |
| 1624 | assert(wand->signature == WandSignature); |
| 1625 | if (wand->debug != MagickFalse) |
| 1626 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1627 | if (wand->images == (Image *) NULL) |
| 1628 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 1629 | draw_info=CloneDrawInfo(wand->image_info,(DrawInfo *) NULL); |
| 1630 | (void) GetOneVirtualPixel(wand->images,x % wand->images->columns, |
| 1631 | y % wand->images->rows,&target,wand->exception); |
| 1632 | if (bordercolor != (PixelWand *) NULL) |
| 1633 | PixelGetQuantumColor(bordercolor,&target); |
| 1634 | wand->images->fuzz=fuzz; |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1635 | status=MatteFloodfillImage(wand->images,target,ClampToQuantum( |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1636 | (MagickRealType) QuantumRange-QuantumRange*alpha),x,y,bordercolor != |
| 1637 | (PixelWand *) NULL ? FillToBorderMethod : FloodfillMethod); |
| 1638 | if (status == MagickFalse) |
| 1639 | InheritException(wand->exception,&wand->images->exception); |
| 1640 | draw_info=DestroyDrawInfo(draw_info); |
| 1641 | return(status); |
| 1642 | } |
| 1643 | |
| 1644 | /* |
| 1645 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1646 | % % |
| 1647 | % % |
| 1648 | % % |
cristy | d18ae7c | 2010-03-07 17:39:52 +0000 | [diff] [blame] | 1649 | % M a g i c k M a x i m u m I m a g e s % |
| 1650 | % % |
| 1651 | % % |
| 1652 | % % |
| 1653 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1654 | % |
| 1655 | % MagickMaximumImages() returns the maximum intensity of an image sequence. |
| 1656 | % |
| 1657 | % The format of the MagickMaximumImages method is: |
| 1658 | % |
| 1659 | % MagickWand *MagickMaximumImages(MagickWand *wand) |
| 1660 | % |
| 1661 | % A description of each parameter follows: |
| 1662 | % |
| 1663 | % o wand: the magick wand. |
| 1664 | % |
| 1665 | */ |
| 1666 | WandExport MagickWand *MagickMaximumImages(MagickWand *wand) |
| 1667 | { |
| 1668 | Image |
| 1669 | *maximum_image; |
| 1670 | |
| 1671 | assert(wand != (MagickWand *) NULL); |
| 1672 | assert(wand->signature == WandSignature); |
| 1673 | if (wand->debug != MagickFalse) |
| 1674 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1675 | if (wand->images == (Image *) NULL) |
| 1676 | return((MagickWand *) NULL); |
| 1677 | maximum_image=EvaluateImages(wand->images,MaxEvaluateOperator, |
| 1678 | wand->exception); |
| 1679 | if (maximum_image == (Image *) NULL) |
| 1680 | return((MagickWand *) NULL); |
| 1681 | return(CloneMagickWandFromImages(wand,maximum_image)); |
| 1682 | } |
| 1683 | |
| 1684 | /* |
| 1685 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1686 | % % |
| 1687 | % % |
| 1688 | % % |
| 1689 | % M a g i c k M i n i m u m I m a g e s % |
| 1690 | % % |
| 1691 | % % |
| 1692 | % % |
| 1693 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1694 | % |
| 1695 | % MagickMinimumImages() returns the minimum intensity of an image sequence. |
| 1696 | % |
| 1697 | % The format of the MagickMinimumImages method is: |
| 1698 | % |
| 1699 | % MagickWand *MagickMinimumImages(MagickWand *wand) |
| 1700 | % |
| 1701 | % A description of each parameter follows: |
| 1702 | % |
| 1703 | % o wand: the magick wand. |
| 1704 | % |
| 1705 | */ |
| 1706 | WandExport MagickWand *MagickMinimumImages(MagickWand *wand) |
| 1707 | { |
| 1708 | Image |
| 1709 | *minimum_image; |
| 1710 | |
| 1711 | assert(wand != (MagickWand *) NULL); |
| 1712 | assert(wand->signature == WandSignature); |
| 1713 | if (wand->debug != MagickFalse) |
| 1714 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1715 | if (wand->images == (Image *) NULL) |
| 1716 | return((MagickWand *) NULL); |
| 1717 | minimum_image=EvaluateImages(wand->images,MinEvaluateOperator, |
| 1718 | wand->exception); |
| 1719 | if (minimum_image == (Image *) NULL) |
| 1720 | return((MagickWand *) NULL); |
| 1721 | return(CloneMagickWandFromImages(wand,minimum_image)); |
| 1722 | } |
| 1723 | |
| 1724 | /* |
| 1725 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1726 | % % |
| 1727 | % % |
| 1728 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1729 | % M a g i c k M o s a i c I m a g e s % |
| 1730 | % % |
| 1731 | % % |
| 1732 | % % |
| 1733 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1734 | % |
| 1735 | % MagickMosaicImages() inlays an image sequence to form a single coherent |
| 1736 | % picture. It returns a wand with each image in the sequence composited at |
| 1737 | % the location defined by the page offset of the image. |
| 1738 | % |
| 1739 | % The format of the MagickMosaicImages method is: |
| 1740 | % |
| 1741 | % MagickWand *MagickMosaicImages(MagickWand *wand) |
| 1742 | % |
| 1743 | % A description of each parameter follows: |
| 1744 | % |
| 1745 | % o wand: the magick wand. |
| 1746 | % |
| 1747 | */ |
| 1748 | WandExport MagickWand *MagickMosaicImages(MagickWand *wand) |
| 1749 | { |
| 1750 | Image |
| 1751 | *mosaic_image; |
| 1752 | |
| 1753 | assert(wand != (MagickWand *) NULL); |
| 1754 | assert(wand->signature == WandSignature); |
| 1755 | if (wand->debug != MagickFalse) |
| 1756 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 1757 | if (wand->images == (Image *) NULL) |
| 1758 | return((MagickWand *) NULL); |
| 1759 | mosaic_image=MosaicImages(wand->images,wand->exception); |
| 1760 | if (mosaic_image == (Image *) NULL) |
| 1761 | return((MagickWand *) NULL); |
| 1762 | return(CloneMagickWandFromImages(wand,mosaic_image)); |
| 1763 | } |
| 1764 | |
| 1765 | /* |
| 1766 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1767 | % % |
| 1768 | % % |
| 1769 | % % |
| 1770 | % M a g i c k O p a q u e I m a g e % |
| 1771 | % % |
| 1772 | % % |
| 1773 | % % |
| 1774 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1775 | % |
| 1776 | % MagickOpaqueImage() changes any pixel that matches color with the color |
| 1777 | % defined by fill. |
| 1778 | % |
| 1779 | % The format of the MagickOpaqueImage method is: |
| 1780 | % |
| 1781 | % MagickBooleanType MagickOpaqueImage(MagickWand *wand, |
| 1782 | % const PixelWand *target,const PixelWand *fill,const double fuzz) |
| 1783 | % |
| 1784 | % A description of each parameter follows: |
| 1785 | % |
| 1786 | % o wand: the magick wand. |
| 1787 | % |
| 1788 | % o channel: the channel(s). |
| 1789 | % |
| 1790 | % o target: Change this target color to the fill color within the image. |
| 1791 | % |
| 1792 | % o fill: the fill pixel wand. |
| 1793 | % |
| 1794 | % o fuzz: By default target must match a particular pixel color |
| 1795 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1796 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1797 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1798 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1799 | % as the same color for the purposes of the floodfill. |
| 1800 | % |
| 1801 | */ |
| 1802 | WandExport MagickBooleanType MagickOpaqueImage(MagickWand *wand, |
| 1803 | const PixelWand *target,const PixelWand *fill,const double fuzz) |
| 1804 | { |
| 1805 | return(MagickPaintOpaqueImage(wand,target,fill,fuzz)); |
| 1806 | } |
| 1807 | |
| 1808 | /* |
| 1809 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1810 | % % |
| 1811 | % % |
| 1812 | % % |
| 1813 | % M a g i c k P a i n t F l o o d f i l l I m a g e % |
| 1814 | % % |
| 1815 | % % |
| 1816 | % % |
| 1817 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1818 | % |
| 1819 | % MagickPaintFloodfillImage() changes the color value of any pixel that matches |
| 1820 | % target and is an immediate neighbor. If the method FillToBorderMethod is |
| 1821 | % specified, the color value is changed for any neighbor pixel that does not |
| 1822 | % match the bordercolor member of image. |
| 1823 | % |
| 1824 | % The format of the MagickPaintFloodfillImage method is: |
| 1825 | % |
| 1826 | % MagickBooleanType MagickPaintFloodfillImage(MagickWand *wand, |
| 1827 | % const ChannelType channel,const PixelWand *fill,const double fuzz, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1828 | % const PixelWand *bordercolor,const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1829 | % |
| 1830 | % A description of each parameter follows: |
| 1831 | % |
| 1832 | % o wand: the magick wand. |
cristy | 6a917d9 | 2009-10-06 19:23:54 +0000 | [diff] [blame] | 1833 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1834 | % o channel: the channel(s). |
| 1835 | % |
| 1836 | % o fill: the floodfill color pixel wand. |
| 1837 | % |
| 1838 | % o fuzz: By default target must match a particular pixel color |
| 1839 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1840 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1841 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1842 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1843 | % as the same color for the purposes of the floodfill. |
| 1844 | % |
| 1845 | % o bordercolor: the border color pixel wand. |
| 1846 | % |
| 1847 | % o x,y: the starting location of the operation. |
| 1848 | % |
| 1849 | */ |
| 1850 | WandExport MagickBooleanType MagickPaintFloodfillImage(MagickWand *wand, |
| 1851 | const ChannelType channel,const PixelWand *fill,const double fuzz, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1852 | const PixelWand *bordercolor,const ssize_t x,const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1853 | { |
| 1854 | MagickBooleanType |
| 1855 | status; |
| 1856 | |
| 1857 | status=MagickFloodfillPaintImage(wand,channel,fill,fuzz,bordercolor,x,y, |
| 1858 | MagickFalse); |
| 1859 | return(status); |
| 1860 | } |
| 1861 | |
| 1862 | /* |
| 1863 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1864 | % % |
| 1865 | % % |
| 1866 | % % |
| 1867 | % M a g i c k P a i n t O p a q u e I m a g e % |
| 1868 | % % |
| 1869 | % % |
| 1870 | % % |
| 1871 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1872 | % |
| 1873 | % MagickPaintOpaqueImage() changes any pixel that matches color with the color |
| 1874 | % defined by fill. |
| 1875 | % |
| 1876 | % The format of the MagickPaintOpaqueImage method is: |
| 1877 | % |
| 1878 | % MagickBooleanType MagickPaintOpaqueImage(MagickWand *wand, |
| 1879 | % const PixelWand *target,const PixelWand *fill,const double fuzz) |
| 1880 | % MagickBooleanType MagickPaintOpaqueImageChannel(MagickWand *wand, |
| 1881 | % const ChannelType channel,const PixelWand *target, |
| 1882 | % const PixelWand *fill,const double fuzz) |
| 1883 | % |
| 1884 | % A description of each parameter follows: |
| 1885 | % |
| 1886 | % o wand: the magick wand. |
| 1887 | % |
| 1888 | % o channel: the channel(s). |
| 1889 | % |
| 1890 | % o target: Change this target color to the fill color within the image. |
| 1891 | % |
| 1892 | % o fill: the fill pixel wand. |
| 1893 | % |
| 1894 | % o fuzz: By default target must match a particular pixel color |
| 1895 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1896 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1897 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1898 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1899 | % as the same color for the purposes of the floodfill. |
| 1900 | % |
| 1901 | */ |
| 1902 | |
| 1903 | WandExport MagickBooleanType MagickPaintOpaqueImage(MagickWand *wand, |
| 1904 | const PixelWand *target,const PixelWand *fill,const double fuzz) |
| 1905 | { |
| 1906 | return(MagickPaintOpaqueImageChannel(wand,DefaultChannels,target,fill,fuzz)); |
| 1907 | } |
| 1908 | |
| 1909 | WandExport MagickBooleanType MagickPaintOpaqueImageChannel(MagickWand *wand, |
| 1910 | const ChannelType channel,const PixelWand *target,const PixelWand *fill, |
| 1911 | const double fuzz) |
| 1912 | { |
| 1913 | MagickBooleanType |
| 1914 | status; |
| 1915 | |
| 1916 | status=MagickOpaquePaintImageChannel(wand,channel,target,fill,fuzz, |
| 1917 | MagickFalse); |
| 1918 | return(status); |
| 1919 | } |
| 1920 | |
| 1921 | /* |
| 1922 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1923 | % % |
| 1924 | % % |
| 1925 | % % |
| 1926 | % M a g i c k P a i n t T r a n s p a r e n t I m a g e % |
| 1927 | % % |
| 1928 | % % |
| 1929 | % % |
| 1930 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1931 | % |
| 1932 | % MagickPaintTransparentImage() changes any pixel that matches color with the |
| 1933 | % color defined by fill. |
| 1934 | % |
| 1935 | % The format of the MagickPaintTransparentImage method is: |
| 1936 | % |
| 1937 | % MagickBooleanType MagickPaintTransparentImage(MagickWand *wand, |
| 1938 | % const PixelWand *target,const double alpha,const double fuzz) |
| 1939 | % |
| 1940 | % A description of each parameter follows: |
| 1941 | % |
| 1942 | % o wand: the magick wand. |
| 1943 | % |
| 1944 | % o target: Change this target color to specified opacity value within |
| 1945 | % the image. |
| 1946 | % |
| 1947 | % o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully |
| 1948 | % transparent. |
| 1949 | % |
| 1950 | % o fuzz: By default target must match a particular pixel color |
| 1951 | % exactly. However, in many cases two colors may differ by a small amount. |
| 1952 | % The fuzz member of image defines how much tolerance is acceptable to |
| 1953 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 1954 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 1955 | % as the same color for the purposes of the floodfill. |
| 1956 | % |
| 1957 | */ |
| 1958 | WandExport MagickBooleanType MagickPaintTransparentImage(MagickWand *wand, |
| 1959 | const PixelWand *target,const double alpha,const double fuzz) |
| 1960 | { |
| 1961 | return(MagickTransparentPaintImage(wand,target,alpha,fuzz,MagickFalse)); |
| 1962 | } |
| 1963 | |
| 1964 | /* |
| 1965 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1966 | % % |
| 1967 | % % |
| 1968 | % % |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1969 | % M a g i c k R e c o l o r I m a g e % |
| 1970 | % % |
| 1971 | % % |
| 1972 | % % |
| 1973 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1974 | % |
| 1975 | % MagickRecolorImage() apply color transformation to an image. The method |
| 1976 | % permits saturation changes, hue rotation, luminance to alpha, and various |
| 1977 | % other effects. Although variable-sized transformation matrices can be used, |
| 1978 | % typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA |
| 1979 | % (or RGBA with offsets). The matrix is similar to those used by Adobe Flash |
| 1980 | % except offsets are in column 6 rather than 5 (in support of CMYKA images) |
| 1981 | % and offsets are normalized (divide Flash offset by 255). |
| 1982 | % |
| 1983 | % The format of the MagickRecolorImage method is: |
| 1984 | % |
| 1985 | % MagickBooleanType MagickRecolorImage(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1986 | % const size_t order,const double *color_matrix) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1987 | % |
| 1988 | % A description of each parameter follows: |
| 1989 | % |
| 1990 | % o wand: the magick wand. |
| 1991 | % |
| 1992 | % o order: the number of columns and rows in the color matrix. |
| 1993 | % |
| 1994 | % o color_matrix: An array of doubles representing the color matrix. |
| 1995 | % |
| 1996 | */ |
| 1997 | WandExport MagickBooleanType MagickRecolorImage(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1998 | const size_t order,const double *color_matrix) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1999 | { |
| 2000 | Image |
| 2001 | *transform_image; |
| 2002 | |
| 2003 | assert(wand != (MagickWand *) NULL); |
| 2004 | assert(wand->signature == WandSignature); |
| 2005 | if (wand->debug != MagickFalse) |
| 2006 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 2007 | if (color_matrix == (const double *) NULL) |
| 2008 | return(MagickFalse); |
| 2009 | if (wand->images == (Image *) NULL) |
| 2010 | ThrowWandException(WandError,"ContainsNoImages",wand->name); |
| 2011 | transform_image=RecolorImage(wand->images,order,color_matrix, |
| 2012 | wand->exception); |
| 2013 | if (transform_image == (Image *) NULL) |
| 2014 | return(MagickFalse); |
| 2015 | ReplaceImageInList(&wand->images,transform_image); |
| 2016 | return(MagickTrue); |
| 2017 | } |
| 2018 | |
| 2019 | /* |
| 2020 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2021 | % % |
| 2022 | % % |
| 2023 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2024 | % M a g i c k S e t I m a g e A t t r i b u t e % |
| 2025 | % % |
| 2026 | % % |
| 2027 | % % |
| 2028 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2029 | % |
| 2030 | % MagickSetImageAttribute() associates a property with an image. |
| 2031 | % |
| 2032 | % The format of the MagickSetImageAttribute method is: |
| 2033 | % |
| 2034 | % MagickBooleanType MagickSetImageAttribute(MagickWand *wand, |
| 2035 | % const char *property,const char *value) |
| 2036 | % |
| 2037 | % A description of each parameter follows: |
| 2038 | % |
| 2039 | % o wand: the magick wand. |
| 2040 | % |
| 2041 | % o property: the property. |
| 2042 | % |
| 2043 | % o value: the value. |
| 2044 | % |
| 2045 | */ |
| 2046 | WandExport MagickBooleanType MagickSetImageAttribute(MagickWand *wand, |
| 2047 | const char *property,const char *value) |
| 2048 | { |
| 2049 | return(SetImageProperty(wand->images,property,value)); |
| 2050 | } |
| 2051 | |
| 2052 | /* |
| 2053 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2054 | % % |
| 2055 | % % |
| 2056 | % % |
| 2057 | % M a g i c k S e t I m a g e I n d e x % |
| 2058 | % % |
| 2059 | % % |
| 2060 | % % |
| 2061 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2062 | % |
| 2063 | % MagickSetImageIndex() set the current image to the position of the list |
| 2064 | % specified with the index parameter. |
| 2065 | % |
| 2066 | % The format of the MagickSetImageIndex method is: |
| 2067 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2068 | % MagickBooleanType MagickSetImageIndex(MagickWand *wand,const ssize_t index) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2069 | % |
| 2070 | % A description of each parameter follows: |
| 2071 | % |
| 2072 | % o wand: the magick wand. |
| 2073 | % |
| 2074 | % o index: the scene number. |
| 2075 | % |
| 2076 | */ |
| 2077 | WandExport MagickBooleanType MagickSetImageIndex(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2078 | const ssize_t index) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2079 | { |
| 2080 | return(MagickSetIteratorIndex(wand,index)); |
| 2081 | } |
| 2082 | |
| 2083 | /* |
| 2084 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2085 | % % |
| 2086 | % % |
| 2087 | % % |
| 2088 | + M a g i c k S e t I m a g e O p t i o n % |
| 2089 | % % |
| 2090 | % % |
| 2091 | % % |
| 2092 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2093 | % |
| 2094 | % MagickSetImageOption() associates one or options with a particular image |
| 2095 | % format (.e.g MagickSetImageOption(wand,"jpeg","perserve","yes"). |
| 2096 | % |
| 2097 | % The format of the MagickSetImageOption method is: |
| 2098 | % |
| 2099 | % MagickBooleanType MagickSetImageOption(MagickWand *wand, |
| 2100 | % const char *format,const char *key,const char *value) |
| 2101 | % |
| 2102 | % A description of each parameter follows: |
| 2103 | % |
| 2104 | % o wand: the magick wand. |
| 2105 | % |
| 2106 | % o format: the image format. |
| 2107 | % |
| 2108 | % o key: The key. |
| 2109 | % |
| 2110 | % o value: The value. |
| 2111 | % |
| 2112 | */ |
| 2113 | WandExport MagickBooleanType MagickSetImageOption(MagickWand *wand, |
| 2114 | const char *format,const char *key,const char *value) |
| 2115 | { |
| 2116 | char |
| 2117 | option[MaxTextExtent]; |
| 2118 | |
| 2119 | assert(wand != (MagickWand *) NULL); |
| 2120 | assert(wand->signature == WandSignature); |
| 2121 | if (wand->debug != MagickFalse) |
| 2122 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 2123 | (void) FormatMagickString(option,MaxTextExtent,"%s:%s=%s",format,key,value); |
| 2124 | return(DefineImageOption(wand->image_info,option)); |
| 2125 | } |
| 2126 | |
| 2127 | /* |
| 2128 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2129 | % % |
| 2130 | % % |
| 2131 | % % |
| 2132 | % M a g i c k T r a n s p a r e n t I m a g e % |
| 2133 | % % |
| 2134 | % % |
| 2135 | % % |
| 2136 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2137 | % |
| 2138 | % MagickTransparentImage() changes any pixel that matches color with the |
| 2139 | % color defined by fill. |
| 2140 | % |
| 2141 | % The format of the MagickTransparentImage method is: |
| 2142 | % |
| 2143 | % MagickBooleanType MagickTransparentImage(MagickWand *wand, |
| 2144 | % const PixelWand *target,const double alpha,const double fuzz) |
| 2145 | % |
| 2146 | % A description of each parameter follows: |
| 2147 | % |
| 2148 | % o wand: the magick wand. |
| 2149 | % |
| 2150 | % o target: Change this target color to specified opacity value within |
| 2151 | % the image. |
| 2152 | % |
| 2153 | % o alpha: the level of transparency: 1.0 is fully opaque and 0.0 is fully |
| 2154 | % transparent. |
| 2155 | % |
| 2156 | % o fuzz: By default target must match a particular pixel color |
| 2157 | % exactly. However, in many cases two colors may differ by a small amount. |
| 2158 | % The fuzz member of image defines how much tolerance is acceptable to |
| 2159 | % consider two colors as the same. For example, set fuzz to 10 and the |
| 2160 | % color red at intensities of 100 and 102 respectively are now interpreted |
| 2161 | % as the same color for the purposes of the floodfill. |
| 2162 | % |
| 2163 | */ |
| 2164 | WandExport MagickBooleanType MagickTransparentImage(MagickWand *wand, |
| 2165 | const PixelWand *target,const double alpha,const double fuzz) |
| 2166 | { |
| 2167 | return(MagickPaintTransparentImage(wand,target,alpha,fuzz)); |
| 2168 | } |
| 2169 | |
| 2170 | /* |
| 2171 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2172 | % % |
| 2173 | % % |
| 2174 | % % |
| 2175 | % M a g i c k R e g i o n O f I n t e r e s t I m a g e % |
| 2176 | % % |
| 2177 | % % |
| 2178 | % % |
| 2179 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2180 | % |
| 2181 | % MagickRegionOfInterestImage() extracts a region of the image and returns it |
| 2182 | % as a new wand. |
| 2183 | % |
| 2184 | % The format of the MagickRegionOfInterestImage method is: |
| 2185 | % |
| 2186 | % MagickWand *MagickRegionOfInterestImage(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2187 | % const size_t width,const size_t height,const ssize_t x, |
| 2188 | % const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2189 | % |
| 2190 | % A description of each parameter follows: |
| 2191 | % |
| 2192 | % o wand: the magick wand. |
| 2193 | % |
| 2194 | % o width: the region width. |
| 2195 | % |
| 2196 | % o height: the region height. |
| 2197 | % |
| 2198 | % o x: the region x offset. |
| 2199 | % |
| 2200 | % o y: the region y offset. |
| 2201 | % |
| 2202 | */ |
| 2203 | WandExport MagickWand *MagickRegionOfInterestImage(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2204 | const size_t width,const size_t height,const ssize_t x, |
| 2205 | const ssize_t y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2206 | { |
| 2207 | return(MagickGetImageRegion(wand,width,height,x,y)); |
| 2208 | } |
| 2209 | |
| 2210 | /* |
| 2211 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2212 | % % |
| 2213 | % % |
| 2214 | % % |
| 2215 | % M a g i c k S e t I m a g e P i x e l s % |
| 2216 | % % |
| 2217 | % % |
| 2218 | % % |
| 2219 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2220 | % |
| 2221 | % MagickSetImagePixels() accepts pixel datand stores it in the image at the |
| 2222 | % location you specify. The method returns MagickFalse on success otherwise |
| 2223 | % MagickTrue if an error is encountered. The pixel data can be either char, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2224 | % short int, int, ssize_t, float, or double in the order specified by map. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2225 | % |
| 2226 | % Suppose your want to upload the first scanline of a 640x480 image from |
| 2227 | % character data in red-green-blue order: |
| 2228 | % |
| 2229 | % MagickSetImagePixels(wand,0,0,640,1,"RGB",CharPixel,pixels); |
| 2230 | % |
| 2231 | % The format of the MagickSetImagePixels method is: |
| 2232 | % |
| 2233 | % MagickBooleanType MagickSetImagePixels(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2234 | % const ssize_t x,const ssize_t y,const size_t columns, |
| 2235 | % const size_t rows,const char *map,const StorageType storage, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2236 | % const void *pixels) |
| 2237 | % |
| 2238 | % A description of each parameter follows: |
| 2239 | % |
| 2240 | % o wand: the magick wand. |
| 2241 | % |
| 2242 | % o x, y, columns, rows: These values define the perimeter of a region |
| 2243 | % of pixels you want to define. |
| 2244 | % |
| 2245 | % o map: This string reflects the expected ordering of the pixel array. |
| 2246 | % It can be any combination or order of R = red, G = green, B = blue, |
| 2247 | % A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan, |
| 2248 | % Y = yellow, M = magenta, K = black, I = intensity (for grayscale), |
| 2249 | % P = pad. |
| 2250 | % |
| 2251 | % o storage: Define the data type of the pixels. Float and double types are |
| 2252 | % expected to be normalized [0..1] otherwise [0..QuantumRange]. Choose from |
| 2253 | % these types: CharPixel, ShortPixel, IntegerPixel, LongPixel, FloatPixel, |
| 2254 | % or DoublePixel. |
| 2255 | % |
| 2256 | % o pixels: This array of values contain the pixel components as defined by |
| 2257 | % map and type. You must preallocate this array where the expected |
| 2258 | % length varies depending on the values of width, height, map, and type. |
| 2259 | % |
| 2260 | */ |
| 2261 | WandExport MagickBooleanType MagickSetImagePixels(MagickWand *wand, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2262 | const ssize_t x,const ssize_t y,const size_t columns, |
| 2263 | const size_t rows,const char *map,const StorageType storage, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2264 | const void *pixels) |
| 2265 | { |
| 2266 | return(MagickImportImagePixels(wand,x,y,columns,rows,map,storage,pixels)); |
| 2267 | } |
| 2268 | |
| 2269 | /* |
| 2270 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2271 | % % |
| 2272 | % % |
| 2273 | % % |
| 2274 | % M a g i c k W r i t e I m a g e B l o b % |
| 2275 | % % |
| 2276 | % % |
| 2277 | % % |
| 2278 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2279 | % |
| 2280 | % MagickWriteImageBlob() implements direct to memory image formats. It |
| 2281 | % returns the image as a blob and its length. Use MagickSetFormat() to |
| 2282 | % set the format of the returned blob (GIF, JPEG, PNG, etc.). |
| 2283 | % |
| 2284 | % Use MagickRelinquishMemory() to free the blob when you are done with it. |
| 2285 | % |
| 2286 | % The format of the MagickWriteImageBlob method is: |
| 2287 | % |
| 2288 | % unsigned char *MagickWriteImageBlob(MagickWand *wand,size_t *length) |
| 2289 | % |
| 2290 | % A description of each parameter follows: |
| 2291 | % |
| 2292 | % o wand: the magick wand. |
| 2293 | % |
| 2294 | % o length: the length of the blob. |
| 2295 | % |
| 2296 | */ |
| 2297 | WandExport unsigned char *MagickWriteImageBlob(MagickWand *wand,size_t *length) |
| 2298 | { |
| 2299 | return(MagickGetImageBlob(wand,length)); |
| 2300 | } |
| 2301 | |
| 2302 | /* |
| 2303 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2304 | % % |
| 2305 | % % |
| 2306 | % % |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2307 | % N e w P i x e l V i e w % |
| 2308 | % % |
| 2309 | % % |
| 2310 | % % |
| 2311 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2312 | % |
| 2313 | % NewPixelView() returns a pixel view required for all other methods in the |
| 2314 | % Pixel View API. |
| 2315 | % |
| 2316 | % The format of the NewPixelView method is: |
| 2317 | % |
| 2318 | % PixelView *NewPixelView(MagickWand *wand) |
| 2319 | % |
| 2320 | % A description of each parameter follows: |
| 2321 | % |
| 2322 | % o wand: the wand. |
| 2323 | % |
| 2324 | */ |
| 2325 | |
| 2326 | static PixelWand ***AcquirePixelsThreadSet(const size_t number_wands, |
| 2327 | const size_t number_threads) |
| 2328 | { |
| 2329 | PixelWand |
| 2330 | ***pixel_wands; |
| 2331 | |
| 2332 | register ssize_t |
| 2333 | i; |
| 2334 | |
| 2335 | pixel_wands=(PixelWand ***) AcquireAlignedMemory(number_threads, |
| 2336 | sizeof(*pixel_wands)); |
| 2337 | if (pixel_wands == (PixelWand ***) NULL) |
| 2338 | return((PixelWand ***) NULL); |
| 2339 | (void) ResetMagickMemory(pixel_wands,0,number_threads*sizeof(*pixel_wands)); |
| 2340 | for (i=0; i < (ssize_t) number_threads; i++) |
| 2341 | { |
| 2342 | pixel_wands[i]=NewPixelWands(number_wands); |
| 2343 | if (pixel_wands[i] == (PixelWand **) NULL) |
| 2344 | return(DestroyPixelsThreadSet(pixel_wands,number_wands,number_threads)); |
| 2345 | } |
| 2346 | return(pixel_wands); |
| 2347 | } |
| 2348 | |
| 2349 | WandExport PixelView *NewPixelView(MagickWand *wand) |
| 2350 | { |
| 2351 | PixelView |
| 2352 | *pixel_view; |
| 2353 | |
| 2354 | assert(wand != (MagickWand *) NULL); |
| 2355 | assert(wand->signature == MagickSignature); |
| 2356 | pixel_view=(PixelView *) AcquireAlignedMemory(1,sizeof(*pixel_view)); |
| 2357 | if (pixel_view == (PixelView *) NULL) |
| 2358 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 2359 | GetExceptionMessage(errno)); |
| 2360 | (void) ResetMagickMemory(pixel_view,0,sizeof(*pixel_view)); |
| 2361 | pixel_view->id=AcquireWandId(); |
| 2362 | (void) FormatMagickString(pixel_view->name,MaxTextExtent,"%s-%.20g", |
| 2363 | PixelViewId,(double) pixel_view->id); |
| 2364 | pixel_view->exception=AcquireExceptionInfo(); |
| 2365 | pixel_view->wand=wand; |
| 2366 | pixel_view->view=AcquireCacheView(pixel_view->wand->images); |
| 2367 | pixel_view->region.width=wand->images->columns; |
| 2368 | pixel_view->region.height=wand->images->rows; |
| 2369 | pixel_view->number_threads=GetOpenMPMaximumThreads(); |
| 2370 | pixel_view->pixel_wands=AcquirePixelsThreadSet(pixel_view->region.width, |
| 2371 | pixel_view->number_threads); |
| 2372 | if (pixel_view->pixel_wands == (PixelWand ***) NULL) |
| 2373 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 2374 | GetExceptionMessage(errno)); |
| 2375 | pixel_view->debug=IsEventLogging(); |
| 2376 | pixel_view->signature=WandSignature; |
| 2377 | return(pixel_view); |
| 2378 | } |
| 2379 | |
| 2380 | /* |
| 2381 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2382 | % % |
| 2383 | % % |
| 2384 | % % |
| 2385 | % N e w P i x e l V i e w R e g i o n % |
| 2386 | % % |
| 2387 | % % |
| 2388 | % % |
| 2389 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2390 | % |
| 2391 | % NewPixelViewRegion() returns a pixel view required for all other methods |
| 2392 | % in the Pixel View API. |
| 2393 | % |
| 2394 | % The format of the NewPixelViewRegion method is: |
| 2395 | % |
| 2396 | % PixelView *NewPixelViewRegion(MagickWand *wand,const ssize_t x, |
| 2397 | % const ssize_t y,const size_t width,const size_t height) |
| 2398 | % |
| 2399 | % A description of each parameter follows: |
| 2400 | % |
| 2401 | % o wand: the magick wand. |
| 2402 | % |
| 2403 | % o x,y,columns,rows: These values define the perimeter of a region of |
| 2404 | % pixel_wands view. |
| 2405 | % |
| 2406 | */ |
| 2407 | WandExport PixelView *NewPixelViewRegion(MagickWand *wand,const ssize_t x, |
| 2408 | const ssize_t y,const size_t width,const size_t height) |
| 2409 | { |
| 2410 | PixelView |
| 2411 | *pixel_view; |
| 2412 | |
| 2413 | assert(wand != (MagickWand *) NULL); |
| 2414 | assert(wand->signature == MagickSignature); |
| 2415 | pixel_view=(PixelView *) AcquireAlignedMemory(1,sizeof(*pixel_view)); |
| 2416 | if (pixel_view == (PixelView *) NULL) |
| 2417 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 2418 | GetExceptionMessage(errno)); |
| 2419 | (void) ResetMagickMemory(pixel_view,0,sizeof(*pixel_view)); |
| 2420 | pixel_view->id=AcquireWandId(); |
| 2421 | (void) FormatMagickString(pixel_view->name,MaxTextExtent,"%s-%.20g", |
| 2422 | PixelViewId,(double) pixel_view->id); |
| 2423 | pixel_view->exception=AcquireExceptionInfo(); |
| 2424 | pixel_view->view=AcquireCacheView(pixel_view->wand->images); |
| 2425 | pixel_view->wand=wand; |
| 2426 | pixel_view->region.width=width; |
| 2427 | pixel_view->region.height=height; |
| 2428 | pixel_view->region.x=x; |
| 2429 | pixel_view->region.y=y; |
| 2430 | pixel_view->number_threads=GetOpenMPMaximumThreads(); |
| 2431 | pixel_view->pixel_wands=AcquirePixelsThreadSet(pixel_view->region.width, |
| 2432 | pixel_view->number_threads); |
| 2433 | if (pixel_view->pixel_wands == (PixelWand ***) NULL) |
| 2434 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 2435 | GetExceptionMessage(errno)); |
| 2436 | pixel_view->debug=IsEventLogging(); |
| 2437 | pixel_view->signature=WandSignature; |
| 2438 | return(pixel_view); |
| 2439 | } |
| 2440 | |
| 2441 | /* |
| 2442 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2443 | % % |
| 2444 | % % |
| 2445 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2446 | % P i x e l G e t N e x t R o w % |
| 2447 | % % |
| 2448 | % % |
| 2449 | % % |
| 2450 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2451 | % |
| 2452 | % PixelGetNextRow() returns the next row as an array of pixel wands from the |
| 2453 | % pixel iterator. |
| 2454 | % |
| 2455 | % The format of the PixelGetNextRow method is: |
| 2456 | % |
| 2457 | % PixelWand **PixelGetNextRow(PixelIterator *iterator, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2458 | % size_t *number_wands) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2459 | % |
| 2460 | % A description of each parameter follows: |
| 2461 | % |
| 2462 | % o iterator: the pixel iterator. |
| 2463 | % |
| 2464 | % o number_wands: the number of pixel wands. |
| 2465 | % |
| 2466 | */ |
| 2467 | WandExport PixelWand **PixelGetNextRow(PixelIterator *iterator) |
| 2468 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2469 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2470 | number_wands; |
| 2471 | |
| 2472 | return(PixelGetNextIteratorRow(iterator,&number_wands)); |
| 2473 | } |
| 2474 | |
| 2475 | /* |
| 2476 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2477 | % % |
| 2478 | % % |
| 2479 | % % |
| 2480 | % P i x e l I t e r a t o r G e t E x c e p t i o n % |
| 2481 | % % |
| 2482 | % % |
| 2483 | % % |
| 2484 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2485 | % |
| 2486 | % PixelIteratorGetException() returns the severity, reason, and description of |
| 2487 | % any error that occurs when using other methods in this API. |
| 2488 | % |
| 2489 | % The format of the PixelIteratorGetException method is: |
| 2490 | % |
| 2491 | % char *PixelIteratorGetException(const Pixeliterator *iterator, |
| 2492 | % ExceptionType *severity) |
| 2493 | % |
| 2494 | % A description of each parameter follows: |
| 2495 | % |
| 2496 | % o iterator: the pixel iterator. |
| 2497 | % |
| 2498 | % o severity: the severity of the error is returned here. |
| 2499 | % |
| 2500 | */ |
| 2501 | WandExport char *PixelIteratorGetException(const PixelIterator *iterator, |
| 2502 | ExceptionType *severity) |
| 2503 | { |
| 2504 | return(PixelGetIteratorException(iterator,severity)); |
| 2505 | } |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2506 | |
| 2507 | /* |
| 2508 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2509 | % % |
| 2510 | % % |
| 2511 | % % |
| 2512 | % S e t P i x e l V i e w I t e r a t o r % |
| 2513 | % % |
| 2514 | % % |
| 2515 | % % |
| 2516 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2517 | % |
| 2518 | % SetPixelViewIterator() iterates over the pixel view in parallel and calls |
| 2519 | % your set method for each scanline of the view. The pixel region is |
| 2520 | % confined to the image canvas-- that is no negative offsets or widths or |
| 2521 | % heights that exceed the image dimension. The pixels are initiallly |
| 2522 | % undefined and any settings you make in the callback method are automagically |
| 2523 | % synced back to your image. |
| 2524 | % |
| 2525 | % Use this pragma: |
| 2526 | % |
| 2527 | % #pragma omp critical |
| 2528 | % |
| 2529 | % to define a section of code in your callback set method that must be |
| 2530 | % executed by a single thread at a time. |
| 2531 | % |
| 2532 | % The format of the SetPixelViewIterator method is: |
| 2533 | % |
| 2534 | % MagickBooleanType SetPixelViewIterator(PixelView *destination, |
| 2535 | % SetPixelViewMethod set,void *context) |
| 2536 | % |
| 2537 | % A description of each parameter follows: |
| 2538 | % |
| 2539 | % o destination: the pixel view. |
| 2540 | % |
| 2541 | % o set: the set callback method. |
| 2542 | % |
| 2543 | % o context: the user defined context. |
| 2544 | % |
| 2545 | */ |
| 2546 | WandExport MagickBooleanType SetPixelViewIterator(PixelView *destination, |
| 2547 | SetPixelViewMethod set,void *context) |
| 2548 | { |
| 2549 | #define SetPixelViewTag "PixelView/Set" |
| 2550 | |
| 2551 | ExceptionInfo |
| 2552 | *exception; |
| 2553 | |
| 2554 | Image |
| 2555 | *destination_image; |
| 2556 | |
| 2557 | MagickBooleanType |
| 2558 | status; |
| 2559 | |
| 2560 | MagickOffsetType |
| 2561 | progress; |
| 2562 | |
| 2563 | ssize_t |
| 2564 | y; |
| 2565 | |
| 2566 | assert(destination != (PixelView *) NULL); |
| 2567 | assert(destination->signature == WandSignature); |
| 2568 | if (set == (SetPixelViewMethod) NULL) |
| 2569 | return(MagickFalse); |
| 2570 | destination_image=destination->wand->images; |
| 2571 | if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse) |
| 2572 | return(MagickFalse); |
| 2573 | status=MagickTrue; |
| 2574 | progress=0; |
| 2575 | exception=destination->exception; |
| 2576 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2577 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
| 2578 | #endif |
| 2579 | for (y=destination->region.y; y < (ssize_t) destination->region.height; y++) |
| 2580 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 2581 | const int |
| 2582 | id = GetOpenMPThreadId(); |
| 2583 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2584 | MagickBooleanType |
| 2585 | sync; |
| 2586 | |
| 2587 | register IndexPacket |
| 2588 | *restrict indexes; |
| 2589 | |
| 2590 | register ssize_t |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2591 | x; |
| 2592 | |
| 2593 | register PixelPacket |
| 2594 | *restrict pixels; |
| 2595 | |
| 2596 | if (status == MagickFalse) |
| 2597 | continue; |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2598 | pixels=GetCacheViewAuthenticPixels(destination->view,destination->region.x, |
| 2599 | y,destination->region.width,1,exception); |
| 2600 | if (pixels == (PixelPacket *) NULL) |
| 2601 | { |
| 2602 | InheritException(destination->exception,GetCacheViewException( |
| 2603 | destination->view)); |
| 2604 | status=MagickFalse; |
| 2605 | continue; |
| 2606 | } |
| 2607 | indexes=GetCacheViewAuthenticIndexQueue(destination->view); |
| 2608 | if (set(destination,context) == MagickFalse) |
| 2609 | status=MagickFalse; |
| 2610 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2611 | PixelGetQuantumColor(destination->pixel_wands[id][x],pixels+x); |
| 2612 | if (destination_image->colorspace == CMYKColorspace) |
| 2613 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2614 | indexes[x]=PixelGetBlackQuantum(destination->pixel_wands[id][x]); |
| 2615 | sync=SyncCacheViewAuthenticPixels(destination->view,exception); |
| 2616 | if (sync == MagickFalse) |
| 2617 | { |
| 2618 | InheritException(destination->exception,GetCacheViewException( |
| 2619 | destination->view)); |
| 2620 | status=MagickFalse; |
| 2621 | } |
| 2622 | if (destination_image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2623 | { |
| 2624 | MagickBooleanType |
| 2625 | proceed; |
| 2626 | |
| 2627 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2628 | #pragma omp critical (MagickWand_SetPixelViewIterator) |
| 2629 | #endif |
| 2630 | proceed=SetImageProgress(destination_image,SetPixelViewTag,progress++, |
| 2631 | destination->region.height); |
| 2632 | if (proceed == MagickFalse) |
| 2633 | status=MagickFalse; |
| 2634 | } |
| 2635 | } |
| 2636 | return(status); |
| 2637 | } |
| 2638 | |
| 2639 | /* |
| 2640 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2641 | % % |
| 2642 | % % |
| 2643 | % % |
| 2644 | % T r a n s f e r P i x e l V i e w I t e r a t o r % |
| 2645 | % % |
| 2646 | % % |
| 2647 | % % |
| 2648 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2649 | % |
| 2650 | % TransferPixelViewIterator() iterates over two pixel views in parallel and |
| 2651 | % calls your transfer method for each scanline of the view. The source pixel |
| 2652 | % region is not confined to the image canvas-- that is you can include |
| 2653 | % negative offsets or widths or heights that exceed the image dimension. |
| 2654 | % However, the destination pixel view is confined to the image canvas-- that |
| 2655 | % is no negative offsets or widths or heights that exceed the image dimension |
| 2656 | % are permitted. |
| 2657 | % |
| 2658 | % Use this pragma: |
| 2659 | % |
| 2660 | % #pragma omp critical |
| 2661 | % |
| 2662 | % to define a section of code in your callback transfer method that must be |
| 2663 | % executed by a single thread at a time. |
| 2664 | % |
| 2665 | % The format of the TransferPixelViewIterator method is: |
| 2666 | % |
| 2667 | % MagickBooleanType TransferPixelViewIterator(PixelView *source, |
| 2668 | % PixelView *destination,TransferPixelViewMethod transfer,void *context) |
| 2669 | % |
| 2670 | % A description of each parameter follows: |
| 2671 | % |
| 2672 | % o source: the source pixel view. |
| 2673 | % |
| 2674 | % o destination: the destination pixel view. |
| 2675 | % |
| 2676 | % o transfer: the transfer callback method. |
| 2677 | % |
| 2678 | % o context: the user defined context. |
| 2679 | % |
| 2680 | */ |
| 2681 | WandExport MagickBooleanType TransferPixelViewIterator(PixelView *source, |
| 2682 | PixelView *destination,TransferPixelViewMethod transfer,void *context) |
| 2683 | { |
| 2684 | #define TransferPixelViewTag "PixelView/Transfer" |
| 2685 | |
| 2686 | ExceptionInfo |
| 2687 | *exception; |
| 2688 | |
| 2689 | Image |
| 2690 | *destination_image, |
| 2691 | *source_image; |
| 2692 | |
| 2693 | MagickBooleanType |
| 2694 | status; |
| 2695 | |
| 2696 | MagickOffsetType |
| 2697 | progress; |
| 2698 | |
| 2699 | ssize_t |
| 2700 | y; |
| 2701 | |
| 2702 | assert(source != (PixelView *) NULL); |
| 2703 | assert(source->signature == WandSignature); |
| 2704 | if (transfer == (TransferPixelViewMethod) NULL) |
| 2705 | return(MagickFalse); |
| 2706 | source_image=source->wand->images; |
| 2707 | destination_image=destination->wand->images; |
| 2708 | if (SetImageStorageClass(destination_image,DirectClass) == MagickFalse) |
| 2709 | return(MagickFalse); |
| 2710 | status=MagickTrue; |
| 2711 | progress=0; |
| 2712 | exception=destination->exception; |
| 2713 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2714 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
| 2715 | #endif |
| 2716 | for (y=source->region.y; y < (ssize_t) source->region.height; y++) |
| 2717 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 2718 | const int |
| 2719 | id = GetOpenMPThreadId(); |
| 2720 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2721 | MagickBooleanType |
| 2722 | sync; |
| 2723 | |
| 2724 | register const IndexPacket |
| 2725 | *restrict indexes; |
| 2726 | |
| 2727 | register const PixelPacket |
| 2728 | *restrict pixels; |
| 2729 | |
| 2730 | register IndexPacket |
| 2731 | *restrict destination_indexes; |
| 2732 | |
| 2733 | register ssize_t |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2734 | x; |
| 2735 | |
| 2736 | register PixelPacket |
| 2737 | *restrict destination_pixels; |
| 2738 | |
| 2739 | if (status == MagickFalse) |
| 2740 | continue; |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2741 | pixels=GetCacheViewVirtualPixels(source->view,source->region.x,y, |
| 2742 | source->region.width,1,source->exception); |
| 2743 | if (pixels == (const PixelPacket *) NULL) |
| 2744 | { |
| 2745 | status=MagickFalse; |
| 2746 | continue; |
| 2747 | } |
| 2748 | indexes=GetCacheViewVirtualIndexQueue(source->view); |
| 2749 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2750 | PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x); |
| 2751 | if (source_image->colorspace == CMYKColorspace) |
| 2752 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2753 | PixelSetBlackQuantum(source->pixel_wands[id][x],indexes[x]); |
| 2754 | if (source_image->storage_class == PseudoClass) |
| 2755 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2756 | PixelSetIndex(source->pixel_wands[id][x],indexes[x]); |
| 2757 | destination_pixels=GetCacheViewAuthenticPixels(destination->view, |
| 2758 | destination->region.x,y,destination->region.width,1,exception); |
| 2759 | if (destination_pixels == (PixelPacket *) NULL) |
| 2760 | { |
| 2761 | status=MagickFalse; |
| 2762 | continue; |
| 2763 | } |
| 2764 | destination_indexes=GetCacheViewAuthenticIndexQueue(destination->view); |
| 2765 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2766 | PixelSetQuantumColor(destination->pixel_wands[id][x],pixels+x); |
| 2767 | if (destination_image->colorspace == CMYKColorspace) |
| 2768 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2769 | PixelSetBlackQuantum(destination->pixel_wands[id][x],indexes[x]); |
| 2770 | if (destination_image->storage_class == PseudoClass) |
| 2771 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2772 | PixelSetIndex(destination->pixel_wands[id][x],indexes[x]); |
| 2773 | if (transfer(source,destination,context) == MagickFalse) |
| 2774 | status=MagickFalse; |
| 2775 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2776 | PixelGetQuantumColor(destination->pixel_wands[id][x], |
| 2777 | destination_pixels+x); |
| 2778 | if (destination_image->colorspace == CMYKColorspace) |
| 2779 | for (x=0; x < (ssize_t) destination->region.width; x++) |
| 2780 | destination_indexes[x]=PixelGetBlackQuantum( |
| 2781 | destination->pixel_wands[id][x]); |
| 2782 | sync=SyncCacheViewAuthenticPixels(destination->view,exception); |
| 2783 | if (sync == MagickFalse) |
| 2784 | { |
| 2785 | InheritException(destination->exception,GetCacheViewException( |
| 2786 | source->view)); |
| 2787 | status=MagickFalse; |
| 2788 | } |
| 2789 | if (source_image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2790 | { |
| 2791 | MagickBooleanType |
| 2792 | proceed; |
| 2793 | |
| 2794 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2795 | #pragma omp critical (MagickWand_TransferPixelViewIterator) |
| 2796 | #endif |
| 2797 | proceed=SetImageProgress(source_image,TransferPixelViewTag,progress++, |
| 2798 | source->region.height); |
| 2799 | if (proceed == MagickFalse) |
| 2800 | status=MagickFalse; |
| 2801 | } |
| 2802 | } |
| 2803 | return(status); |
| 2804 | } |
| 2805 | |
| 2806 | /* |
| 2807 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2808 | % % |
| 2809 | % % |
| 2810 | % % |
| 2811 | % U p d a t e P i x e l V i e w I t e r a t o r % |
| 2812 | % % |
| 2813 | % % |
| 2814 | % % |
| 2815 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2816 | % |
| 2817 | % UpdatePixelViewIterator() iterates over the pixel view in parallel and calls |
| 2818 | % your update method for each scanline of the view. The pixel region is |
| 2819 | % confined to the image canvas-- that is no negative offsets or widths or |
| 2820 | % heights that exceed the image dimension are permitted. Updates to pixels |
| 2821 | % in your callback are automagically synced back to the image. |
| 2822 | % |
| 2823 | % Use this pragma: |
| 2824 | % |
| 2825 | % #pragma omp critical |
| 2826 | % |
| 2827 | % to define a section of code in your callback update method that must be |
| 2828 | % executed by a single thread at a time. |
| 2829 | % |
| 2830 | % The format of the UpdatePixelViewIterator method is: |
| 2831 | % |
| 2832 | % MagickBooleanType UpdatePixelViewIterator(PixelView *source, |
| 2833 | % UpdatePixelViewMethod update,void *context) |
| 2834 | % |
| 2835 | % A description of each parameter follows: |
| 2836 | % |
| 2837 | % o source: the source pixel view. |
| 2838 | % |
| 2839 | % o update: the update callback method. |
| 2840 | % |
| 2841 | % o context: the user defined context. |
| 2842 | % |
| 2843 | */ |
| 2844 | WandExport MagickBooleanType UpdatePixelViewIterator(PixelView *source, |
| 2845 | UpdatePixelViewMethod update,void *context) |
| 2846 | { |
| 2847 | #define UpdatePixelViewTag "PixelView/Update" |
| 2848 | |
| 2849 | ExceptionInfo |
| 2850 | *exception; |
| 2851 | |
| 2852 | Image |
| 2853 | *source_image; |
| 2854 | |
| 2855 | MagickBooleanType |
| 2856 | status; |
| 2857 | |
| 2858 | MagickOffsetType |
| 2859 | progress; |
| 2860 | |
| 2861 | ssize_t |
| 2862 | y; |
| 2863 | |
| 2864 | assert(source != (PixelView *) NULL); |
| 2865 | assert(source->signature == WandSignature); |
| 2866 | if (update == (UpdatePixelViewMethod) NULL) |
| 2867 | return(MagickFalse); |
| 2868 | source_image=source->wand->images; |
| 2869 | if (SetImageStorageClass(source_image,DirectClass) == MagickFalse) |
| 2870 | return(MagickFalse); |
| 2871 | status=MagickTrue; |
| 2872 | progress=0; |
| 2873 | exception=source->exception; |
| 2874 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2875 | #pragma omp parallel for schedule(static,1) shared(progress,status) |
| 2876 | #endif |
| 2877 | for (y=source->region.y; y < (ssize_t) source->region.height; y++) |
| 2878 | { |
cristy | 83e6d2a | 2010-09-17 17:35:13 +0000 | [diff] [blame^] | 2879 | const int |
| 2880 | id = GetOpenMPThreadId(); |
| 2881 | |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2882 | register IndexPacket |
| 2883 | *restrict indexes; |
| 2884 | |
| 2885 | register ssize_t |
| 2886 | id, |
| 2887 | x; |
| 2888 | |
| 2889 | register PixelPacket |
| 2890 | *restrict pixels; |
| 2891 | |
| 2892 | if (status == MagickFalse) |
| 2893 | continue; |
cristy | 7574809 | 2010-06-27 01:10:29 +0000 | [diff] [blame] | 2894 | pixels=GetCacheViewAuthenticPixels(source->view,source->region.x,y, |
| 2895 | source->region.width,1,exception); |
| 2896 | if (pixels == (PixelPacket *) NULL) |
| 2897 | { |
| 2898 | InheritException(source->exception,GetCacheViewException( |
| 2899 | source->view)); |
| 2900 | status=MagickFalse; |
| 2901 | continue; |
| 2902 | } |
| 2903 | indexes=GetCacheViewAuthenticIndexQueue(source->view); |
| 2904 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2905 | PixelSetQuantumColor(source->pixel_wands[id][x],pixels+x); |
| 2906 | if (source_image->colorspace == CMYKColorspace) |
| 2907 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2908 | PixelSetBlackQuantum(source->pixel_wands[id][x],indexes[x]); |
| 2909 | if (update(source,context) == MagickFalse) |
| 2910 | status=MagickFalse; |
| 2911 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2912 | PixelGetQuantumColor(source->pixel_wands[id][x],pixels+x); |
| 2913 | if (source_image->colorspace == CMYKColorspace) |
| 2914 | for (x=0; x < (ssize_t) source->region.width; x++) |
| 2915 | indexes[x]=PixelGetBlackQuantum(source->pixel_wands[id][x]); |
| 2916 | if (SyncCacheViewAuthenticPixels(source->view,exception) == MagickFalse) |
| 2917 | { |
| 2918 | InheritException(source->exception,GetCacheViewException(source->view)); |
| 2919 | status=MagickFalse; |
| 2920 | } |
| 2921 | if (source_image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2922 | { |
| 2923 | MagickBooleanType |
| 2924 | proceed; |
| 2925 | |
| 2926 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2927 | #pragma omp critical (MagickWand_UpdatePixelViewIterator) |
| 2928 | #endif |
| 2929 | proceed=SetImageProgress(source_image,UpdatePixelViewTag,progress++, |
| 2930 | source->region.height); |
| 2931 | if (proceed == MagickFalse) |
| 2932 | status=MagickFalse; |
| 2933 | } |
| 2934 | } |
| 2935 | return(status); |
| 2936 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2937 | #endif |