cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % PPPP IIIII X X EEEEE L % |
| 7 | % P P I X X E L % |
| 8 | % PPPP I X EEE L % |
| 9 | % P I X X E L % |
| 10 | % P IIIII X X EEEEE LLLLL % |
| 11 | % % |
| 12 | % IIIII TTTTT EEEEE RRRR AAA TTTTT OOO RRRR % |
| 13 | % I T E R R A A T O O R R % |
| 14 | % I T EEE RRRR AAAAA T O O RRRR % |
| 15 | % I T E R R A A T O O R R % |
| 16 | % IIIII T EEEEE R R A A T OOO R R % |
| 17 | % % |
| 18 | % % |
| 19 | % ImageMagick Image Pixel Iterator Methods % |
| 20 | % % |
| 21 | % Software Design % |
| 22 | % John Cristy % |
| 23 | % March 2003 % |
| 24 | % % |
| 25 | % % |
cristy | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 26 | % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 27 | % dedicated to making software imaging solutions freely available. % |
| 28 | % % |
| 29 | % You may not use this file except in compliance with the License. You may % |
| 30 | % obtain a copy of the License at % |
| 31 | % % |
| 32 | % http://www.imagemagick.org/script/license.php % |
| 33 | % % |
| 34 | % Unless required by applicable law or agreed to in writing, software % |
| 35 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 36 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 37 | % See the License for the specific language governing permissions and % |
| 38 | % limitations under the License. % |
| 39 | % % |
| 40 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 41 | % |
| 42 | % |
| 43 | % |
| 44 | */ |
| 45 | |
| 46 | /* |
| 47 | Include declarations. |
| 48 | */ |
| 49 | #include "wand/studio.h" |
| 50 | #include "wand/MagickWand.h" |
| 51 | #include "wand/magick-wand-private.h" |
| 52 | #include "wand/pixel-iterator.h" |
| 53 | #include "wand/pixel-wand.h" |
| 54 | #include "wand/wand.h" |
| 55 | |
| 56 | /* |
| 57 | Define declarations. |
| 58 | */ |
| 59 | #define PixelIteratorId "PixelIterator" |
| 60 | |
| 61 | /* |
| 62 | Typedef declarations. |
| 63 | */ |
| 64 | struct _PixelIterator |
| 65 | { |
| 66 | unsigned long |
| 67 | id; |
| 68 | |
| 69 | char |
| 70 | name[MaxTextExtent]; |
| 71 | |
| 72 | ExceptionInfo |
| 73 | *exception; |
| 74 | |
| 75 | CacheView |
| 76 | *view; |
| 77 | |
| 78 | RectangleInfo |
| 79 | region; |
| 80 | |
| 81 | MagickBooleanType |
| 82 | active; |
| 83 | |
| 84 | long |
| 85 | y; |
| 86 | |
| 87 | PixelWand |
| 88 | **pixel_wands; |
| 89 | |
| 90 | MagickBooleanType |
| 91 | debug; |
| 92 | |
| 93 | unsigned long |
| 94 | signature; |
| 95 | }; |
| 96 | |
| 97 | /* |
| 98 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 99 | % % |
| 100 | % % |
| 101 | % % |
| 102 | % C l e a r P i x e l I t e r a t o r % |
| 103 | % % |
| 104 | % % |
| 105 | % % |
| 106 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 107 | % |
| 108 | % ClearPixelIterator() clear resources associated with a PixelIterator. |
| 109 | % |
| 110 | % The format of the ClearPixelIterator method is: |
| 111 | % |
| 112 | % PixelIterator *ClearPixelIterator(PixelIterator *iterator) |
| 113 | % |
| 114 | % A description of each parameter follows: |
| 115 | % |
| 116 | % o iterator: the pixel iterator. |
| 117 | % |
| 118 | */ |
| 119 | WandExport void ClearPixelIterator(PixelIterator *iterator) |
| 120 | { |
| 121 | assert(iterator != (const PixelIterator *) NULL); |
| 122 | assert(iterator->signature == WandSignature); |
| 123 | if (iterator->debug != MagickFalse) |
| 124 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 125 | iterator->pixel_wands=DestroyPixelWands(iterator->pixel_wands, |
| 126 | iterator->region.width); |
| 127 | ClearMagickException(iterator->exception); |
| 128 | iterator->pixel_wands=NewPixelWands(iterator->region.width); |
| 129 | iterator->active=MagickFalse; |
| 130 | iterator->y=0; |
| 131 | iterator->debug=IsEventLogging(); |
| 132 | } |
| 133 | |
| 134 | /* |
| 135 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 136 | % % |
| 137 | % % |
| 138 | % % |
| 139 | % C l o n e P i x e l I t e r a t o r % |
| 140 | % % |
| 141 | % % |
| 142 | % % |
| 143 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 144 | % |
| 145 | % ClonePixelIterator() makes an exact copy of the specified iterator. |
| 146 | % |
| 147 | % The format of the ClonePixelIterator method is: |
| 148 | % |
| 149 | % PixelIterator *ClonePixelIterator(const PixelIterator *iterator) |
| 150 | % |
| 151 | % A description of each parameter follows: |
| 152 | % |
| 153 | % o iterator: the magick iterator. |
| 154 | % |
| 155 | */ |
| 156 | WandExport PixelIterator *ClonePixelIterator(const PixelIterator *iterator) |
| 157 | { |
| 158 | PixelIterator |
| 159 | *clone_iterator; |
| 160 | |
| 161 | assert(iterator != (PixelIterator *) NULL); |
| 162 | assert(iterator->signature == WandSignature); |
| 163 | if (iterator->debug != MagickFalse) |
| 164 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 165 | clone_iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*clone_iterator)); |
| 166 | if (clone_iterator == (PixelIterator *) NULL) |
| 167 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 168 | iterator->name); |
| 169 | (void) ResetMagickMemory(clone_iterator,0,sizeof(*clone_iterator)); |
| 170 | clone_iterator->id=AcquireWandId(); |
| 171 | (void) FormatMagickString(clone_iterator->name,MaxTextExtent,"%s-%lu", |
| 172 | PixelIteratorId,clone_iterator->id); |
| 173 | clone_iterator->exception=AcquireExceptionInfo(); |
| 174 | InheritException(clone_iterator->exception,iterator->exception); |
| 175 | clone_iterator->view=CloneCacheView(iterator->view); |
| 176 | clone_iterator->region=iterator->region; |
| 177 | clone_iterator->active=iterator->active; |
| 178 | clone_iterator->y=iterator->y; |
| 179 | clone_iterator->pixel_wands=ClonePixelWands((const PixelWand **) |
| 180 | iterator->pixel_wands,iterator->region.width); |
| 181 | clone_iterator->debug=iterator->debug; |
| 182 | if (clone_iterator->debug != MagickFalse) |
| 183 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s", |
| 184 | clone_iterator->name); |
| 185 | clone_iterator->signature=WandSignature; |
| 186 | return(clone_iterator); |
| 187 | } |
| 188 | |
| 189 | /* |
| 190 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 191 | % % |
| 192 | % % |
| 193 | % % |
| 194 | % D e s t r o y P i x e l I t e r a t o r % |
| 195 | % % |
| 196 | % % |
| 197 | % % |
| 198 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 199 | % |
| 200 | % DestroyPixelIterator() deallocates resources associated with a PixelIterator. |
| 201 | % |
| 202 | % The format of the DestroyPixelIterator method is: |
| 203 | % |
| 204 | % PixelIterator *DestroyPixelIterator(PixelIterator *iterator) |
| 205 | % |
| 206 | % A description of each parameter follows: |
| 207 | % |
| 208 | % o iterator: the pixel iterator. |
| 209 | % |
| 210 | */ |
| 211 | WandExport PixelIterator *DestroyPixelIterator(PixelIterator *iterator) |
| 212 | { |
| 213 | assert(iterator != (const PixelIterator *) NULL); |
| 214 | assert(iterator->signature == WandSignature); |
| 215 | if (iterator->debug != MagickFalse) |
| 216 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 217 | iterator->view=DestroyCacheView(iterator->view); |
| 218 | iterator->pixel_wands=DestroyPixelWands(iterator->pixel_wands, |
| 219 | iterator->region.width); |
| 220 | iterator->exception=DestroyExceptionInfo(iterator->exception); |
| 221 | iterator->signature=(~WandSignature); |
| 222 | RelinquishWandId(iterator->id); |
| 223 | iterator=(PixelIterator *) RelinquishMagickMemory(iterator); |
| 224 | return(iterator); |
| 225 | } |
| 226 | |
| 227 | /* |
| 228 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 229 | % % |
| 230 | % % |
| 231 | % % |
| 232 | % I s P i x e l I t e r a t o r % |
| 233 | % % |
| 234 | % % |
| 235 | % % |
| 236 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 237 | % |
| 238 | % IsPixelIterator() returns MagickTrue if the iterator is verified as a pixel |
| 239 | % iterator. |
| 240 | % |
| 241 | % The format of the IsPixelIterator method is: |
| 242 | % |
| 243 | % MagickBooleanType IsPixelIterator(const PixelIterator *iterator) |
| 244 | % |
| 245 | % A description of each parameter follows: |
| 246 | % |
| 247 | % o iterator: the magick iterator. |
| 248 | % |
| 249 | */ |
| 250 | WandExport MagickBooleanType IsPixelIterator(const PixelIterator *iterator) |
| 251 | { |
| 252 | size_t |
| 253 | length; |
| 254 | |
| 255 | if (iterator == (const PixelIterator *) NULL) |
| 256 | return(MagickFalse); |
| 257 | if (iterator->signature != WandSignature) |
| 258 | return(MagickFalse); |
| 259 | length=strlen(PixelIteratorId); |
| 260 | if (LocaleNCompare(iterator->name,PixelIteratorId,length) != 0) |
| 261 | return(MagickFalse); |
| 262 | return(MagickTrue); |
| 263 | } |
| 264 | |
| 265 | /* |
| 266 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 267 | % % |
| 268 | % % |
| 269 | % % |
| 270 | % N e w P i x e l I t e r a t o r % |
| 271 | % % |
| 272 | % % |
| 273 | % % |
| 274 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 275 | % |
| 276 | % NewPixelIterator() returns a new pixel iterator. |
| 277 | % |
| 278 | % The format of the NewPixelIterator method is: |
| 279 | % |
| 280 | % PixelIterator NewPixelIterator(MagickWand *wand) |
| 281 | % |
| 282 | % A description of each parameter follows: |
| 283 | % |
| 284 | % o wand: the magick wand. |
| 285 | % |
| 286 | */ |
| 287 | WandExport PixelIterator *NewPixelIterator(MagickWand *wand) |
| 288 | { |
| 289 | const char |
| 290 | *quantum; |
| 291 | |
| 292 | Image |
| 293 | *image; |
| 294 | |
| 295 | PixelIterator |
| 296 | *iterator; |
| 297 | |
| 298 | unsigned long |
| 299 | depth; |
| 300 | |
| 301 | CacheView |
| 302 | *view; |
| 303 | |
| 304 | depth=MAGICKCORE_QUANTUM_DEPTH; |
| 305 | quantum=GetMagickQuantumDepth(&depth); |
| 306 | if (depth != MAGICKCORE_QUANTUM_DEPTH) |
| 307 | ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum); |
| 308 | assert(wand != (MagickWand *) NULL); |
| 309 | image=GetImageFromMagickWand(wand); |
| 310 | if (image == (Image *) NULL) |
| 311 | return((PixelIterator *) NULL); |
| 312 | view=AcquireCacheView(image); |
| 313 | if (view == (CacheView *) NULL) |
| 314 | return((PixelIterator *) NULL); |
| 315 | iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator)); |
| 316 | if (iterator == (PixelIterator *) NULL) |
| 317 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 318 | GetExceptionMessage(errno)); |
| 319 | (void) ResetMagickMemory(iterator,0,sizeof(*iterator)); |
| 320 | iterator->id=AcquireWandId(); |
| 321 | (void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%lu", |
| 322 | PixelIteratorId,iterator->id); |
| 323 | iterator->exception=AcquireExceptionInfo(); |
| 324 | iterator->view=view; |
| 325 | SetGeometry(image,&iterator->region); |
| 326 | iterator->region.width=image->columns; |
| 327 | iterator->region.height=image->rows; |
| 328 | iterator->region.x=0; |
| 329 | iterator->region.y=0; |
| 330 | iterator->pixel_wands=NewPixelWands(iterator->region.width); |
| 331 | iterator->y=0; |
| 332 | iterator->debug=IsEventLogging(); |
| 333 | if (iterator->debug != MagickFalse) |
| 334 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 335 | iterator->signature=WandSignature; |
| 336 | return(iterator); |
| 337 | } |
| 338 | |
| 339 | /* |
| 340 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 341 | % % |
| 342 | % % |
| 343 | % % |
| 344 | % P i x e l C l e a r I t e r a t o r E x c e p t i o n % |
| 345 | % % |
| 346 | % % |
| 347 | % % |
| 348 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 349 | % |
| 350 | % PixelClearIteratorException() clear any exceptions associated with the |
| 351 | % iterator. |
| 352 | % |
| 353 | % The format of the PixelClearIteratorException method is: |
| 354 | % |
| 355 | % MagickBooleanType PixelClearIteratorException(PixelIterator *wand) |
| 356 | % |
| 357 | % A description of each parameter follows: |
| 358 | % |
| 359 | % o wand: the pixel wand. |
| 360 | % |
| 361 | */ |
| 362 | WandExport MagickBooleanType PixelClearIteratorException( |
| 363 | PixelIterator *iterator) |
| 364 | { |
| 365 | assert(iterator != (PixelIterator *) NULL); |
| 366 | assert(iterator->signature == WandSignature); |
| 367 | if (iterator->debug != MagickFalse) |
| 368 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 369 | ClearMagickException(iterator->exception); |
| 370 | return(MagickTrue); |
| 371 | } |
| 372 | |
| 373 | /* |
| 374 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 375 | % % |
| 376 | % % |
| 377 | % % |
| 378 | % N e w P i x e l R e g i o n I t e r a t o r % |
| 379 | % % |
| 380 | % % |
| 381 | % % |
| 382 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 383 | % |
| 384 | % NewPixelRegionIterator() returns a new pixel iterator. |
| 385 | % |
| 386 | % The format of the NewPixelRegionIterator method is: |
| 387 | % |
| 388 | % PixelIterator NewPixelRegionIterator(MagickWand *wand,const long x, |
| 389 | % const long y,const unsigned long width,const unsigned long height) |
| 390 | % |
| 391 | % A description of each parameter follows: |
| 392 | % |
| 393 | % o wand: the magick wand. |
| 394 | % |
| 395 | % o x,y,columns,rows: These values define the perimeter of a region of |
| 396 | % pixels. |
| 397 | % |
| 398 | */ |
| 399 | WandExport PixelIterator *NewPixelRegionIterator(MagickWand *wand,const long x, |
| 400 | const long y,const unsigned long width,const unsigned long height) |
| 401 | { |
| 402 | const char |
| 403 | *quantum; |
| 404 | |
| 405 | Image |
| 406 | *image; |
| 407 | |
| 408 | PixelIterator |
| 409 | *iterator; |
| 410 | |
| 411 | unsigned long |
| 412 | depth; |
| 413 | |
| 414 | CacheView |
| 415 | *view; |
| 416 | |
| 417 | assert(wand != (MagickWand *) NULL); |
| 418 | depth=MAGICKCORE_QUANTUM_DEPTH; |
| 419 | quantum=GetMagickQuantumDepth(&depth); |
| 420 | if (depth != MAGICKCORE_QUANTUM_DEPTH) |
| 421 | ThrowWandFatalException(WandError,"QuantumDepthMismatch",quantum); |
| 422 | if ((width == 0) || (width == 0)) |
| 423 | ThrowWandFatalException(WandError,"ZeroRegionSize",quantum); |
| 424 | image=GetImageFromMagickWand(wand); |
| 425 | if (image == (Image *) NULL) |
| 426 | return((PixelIterator *) NULL); |
| 427 | view=AcquireCacheView(image); |
| 428 | if (view == (CacheView *) NULL) |
| 429 | return((PixelIterator *) NULL); |
| 430 | iterator=(PixelIterator *) AcquireMagickMemory(sizeof(*iterator)); |
| 431 | if (iterator == (PixelIterator *) NULL) |
| 432 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 433 | wand->name); |
| 434 | (void) ResetMagickMemory(iterator,0,sizeof(*iterator)); |
| 435 | iterator->id=AcquireWandId(); |
| 436 | (void) FormatMagickString(iterator->name,MaxTextExtent,"%s-%lu", |
| 437 | PixelIteratorId,iterator->id); |
| 438 | iterator->exception=AcquireExceptionInfo(); |
| 439 | iterator->view=view; |
| 440 | SetGeometry(image,&iterator->region); |
| 441 | iterator->region.width=width; |
| 442 | iterator->region.height=height; |
| 443 | iterator->region.x=x; |
| 444 | iterator->region.y=y; |
| 445 | iterator->pixel_wands=NewPixelWands(iterator->region.width); |
| 446 | iterator->y=0; |
| 447 | iterator->debug=IsEventLogging(); |
| 448 | if (iterator->debug != MagickFalse) |
| 449 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 450 | iterator->signature=WandSignature; |
| 451 | return(iterator); |
| 452 | } |
| 453 | |
| 454 | /* |
| 455 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 456 | % % |
| 457 | % % |
| 458 | % % |
| 459 | % P i x e l G e t C u r r e n t I t e r a t o r R o w % |
| 460 | % % |
| 461 | % % |
| 462 | % % |
| 463 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 464 | % |
| 465 | % PixelGetCurrentIteratorRow() returns the current row as an array of pixel |
| 466 | % wands from the pixel iterator. |
| 467 | % |
| 468 | % The format of the PixelGetCurrentIteratorRow method is: |
| 469 | % |
| 470 | % PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator, |
| 471 | % unsigned long *number_wands) |
| 472 | % |
| 473 | % A description of each parameter follows: |
| 474 | % |
| 475 | % o iterator: the pixel iterator. |
| 476 | % |
| 477 | % o number_wands: the number of pixel wands. |
| 478 | % |
| 479 | */ |
| 480 | WandExport PixelWand **PixelGetCurrentIteratorRow(PixelIterator *iterator, |
| 481 | unsigned long *number_wands) |
| 482 | { |
| 483 | register const IndexPacket |
| 484 | *indexes; |
| 485 | |
| 486 | register const PixelPacket |
| 487 | *pixels; |
| 488 | |
| 489 | register long |
| 490 | x; |
| 491 | |
| 492 | assert(iterator != (PixelIterator *) NULL); |
| 493 | assert(iterator->signature == WandSignature); |
| 494 | if (iterator->debug != MagickFalse) |
| 495 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 496 | *number_wands=0; |
| 497 | iterator->active=MagickTrue; |
| 498 | pixels=GetCacheViewVirtualPixels(iterator->view,iterator->region.x, |
| 499 | iterator->region.y+iterator->y,iterator->region.width,1, |
| 500 | iterator->exception); |
| 501 | if (pixels == (const PixelPacket *) NULL) |
| 502 | { |
| 503 | InheritException(iterator->exception,GetCacheViewException( |
| 504 | iterator->view)); |
| 505 | return((PixelWand **) NULL); |
| 506 | } |
| 507 | indexes=GetCacheViewVirtualIndexQueue(iterator->view); |
| 508 | for (x=0; x < (long) iterator->region.width; x++) |
| 509 | PixelSetQuantumColor(iterator->pixel_wands[x],pixels+x); |
| 510 | if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) |
| 511 | for (x=0; x < (long) iterator->region.width; x++) |
| 512 | PixelSetBlackQuantum(iterator->pixel_wands[x],indexes[x]); |
| 513 | if (GetCacheViewStorageClass(iterator->view) == PseudoClass) |
| 514 | for (x=0; x < (long) iterator->region.width; x++) |
| 515 | PixelSetIndex(iterator->pixel_wands[x],indexes[x]); |
| 516 | *number_wands=iterator->region.width; |
| 517 | return(iterator->pixel_wands); |
| 518 | } |
| 519 | |
| 520 | /* |
| 521 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 522 | % % |
| 523 | % % |
| 524 | % % |
| 525 | % P i x e l G e t I t e r a t o r E x c e p t i o n % |
| 526 | % % |
| 527 | % % |
| 528 | % % |
| 529 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 530 | % |
| 531 | % PixelGetIteratorException() returns the severity, reason, and description of |
| 532 | % any error that occurs when using other methods in this API. |
| 533 | % |
| 534 | % The format of the PixelGetIteratorException method is: |
| 535 | % |
| 536 | % char *PixelGetIteratorException(const Pixeliterator *iterator, |
| 537 | % ExceptionType *severity) |
| 538 | % |
| 539 | % A description of each parameter follows: |
| 540 | % |
| 541 | % o iterator: the pixel iterator. |
| 542 | % |
| 543 | % o severity: the severity of the error is returned here. |
| 544 | % |
| 545 | */ |
| 546 | WandExport char *PixelGetIteratorException(const PixelIterator *iterator, |
| 547 | ExceptionType *severity) |
| 548 | { |
| 549 | char |
| 550 | *description; |
| 551 | |
| 552 | assert(iterator != (const PixelIterator *) NULL); |
| 553 | assert(iterator->signature == WandSignature); |
| 554 | if (iterator->debug != MagickFalse) |
| 555 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 556 | assert(severity != (ExceptionType *) NULL); |
| 557 | *severity=iterator->exception->severity; |
| 558 | description=(char *) AcquireQuantumMemory(2UL*MaxTextExtent, |
| 559 | sizeof(*description)); |
| 560 | if (description == (char *) NULL) |
| 561 | ThrowWandFatalException(ResourceLimitFatalError,"MemoryAllocationFailed", |
| 562 | iterator->name); |
| 563 | *description='\0'; |
| 564 | if (iterator->exception->reason != (char *) NULL) |
| 565 | (void) CopyMagickString(description,GetLocaleExceptionMessage( |
| 566 | iterator->exception->severity,iterator->exception->reason),MaxTextExtent); |
| 567 | if (iterator->exception->description != (char *) NULL) |
| 568 | { |
| 569 | (void) ConcatenateMagickString(description," (",MaxTextExtent); |
| 570 | (void) ConcatenateMagickString(description,GetLocaleExceptionMessage( |
| 571 | iterator->exception->severity,iterator->exception->description), |
| 572 | MaxTextExtent); |
| 573 | (void) ConcatenateMagickString(description,")",MaxTextExtent); |
| 574 | } |
| 575 | return(description); |
| 576 | } |
| 577 | |
| 578 | /* |
| 579 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 580 | % % |
| 581 | % % |
| 582 | % % |
| 583 | % P i x e l G e t E x c e p t i o n T y p e % |
| 584 | % % |
| 585 | % % |
| 586 | % % |
| 587 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 588 | % |
| 589 | % PixelGetIteratorExceptionType() the exception type associated with the wand. |
| 590 | % If no exception has occurred, UndefinedExceptionType is returned. |
| 591 | % |
| 592 | % The format of the PixelGetIteratorExceptionType method is: |
| 593 | % |
| 594 | % ExceptionType PixelGetIteratorExceptionType(const PixelWand *wand) |
| 595 | % |
| 596 | % A description of each parameter follows: |
| 597 | % |
| 598 | % o wand: the magick wand. |
| 599 | % |
| 600 | */ |
| 601 | WandExport ExceptionType PixelGetIteratorExceptionType( |
| 602 | const PixelIterator *wand) |
| 603 | { |
| 604 | assert(wand != (const PixelIterator *) NULL); |
| 605 | assert(wand->signature == WandSignature); |
| 606 | if (wand->debug != MagickFalse) |
| 607 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",wand->name); |
| 608 | return(wand->exception->severity); |
| 609 | } |
| 610 | |
| 611 | /* |
| 612 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 613 | % % |
| 614 | % % |
| 615 | % % |
| 616 | % P i x e l G e t I t e r a t o r R o w % |
| 617 | % % |
| 618 | % % |
| 619 | % % |
| 620 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 621 | % |
| 622 | % PixelGetIteratorRow() returns the current pixel iterator row. |
| 623 | % |
| 624 | % The format of the PixelGetIteratorRow method is: |
| 625 | % |
| 626 | % MagickBooleanType PixelGetIteratorRow(PixelIterator *iterator) |
| 627 | % |
| 628 | % A description of each parameter follows: |
| 629 | % |
| 630 | % o iterator: the pixel iterator. |
| 631 | % |
| 632 | */ |
| 633 | WandExport long PixelGetIteratorRow(PixelIterator *iterator) |
| 634 | { |
| 635 | assert(iterator != (const PixelIterator *) NULL); |
| 636 | assert(iterator->signature == WandSignature); |
| 637 | if (iterator->debug != MagickFalse) |
| 638 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 639 | return(iterator->y); |
| 640 | } |
| 641 | |
| 642 | /* |
| 643 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 644 | % % |
| 645 | % % |
| 646 | % % |
| 647 | % P i x e l G e t N e x t I t e r a t o r R o w % |
| 648 | % % |
| 649 | % % |
| 650 | % % |
| 651 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 652 | % |
| 653 | % PixelGetNextIteratorRow() returns the next row as an array of pixel wands |
| 654 | % from the pixel iterator. |
| 655 | % |
| 656 | % The format of the PixelGetNextIteratorRow method is: |
| 657 | % |
| 658 | % PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator, |
| 659 | % unsigned long *number_wands) |
| 660 | % |
| 661 | % A description of each parameter follows: |
| 662 | % |
| 663 | % o iterator: the pixel iterator. |
| 664 | % |
| 665 | % o number_wands: the number of pixel wands. |
| 666 | % |
| 667 | */ |
| 668 | WandExport PixelWand **PixelGetNextIteratorRow(PixelIterator *iterator, |
| 669 | unsigned long *number_wands) |
| 670 | { |
| 671 | register const IndexPacket |
| 672 | *indexes; |
| 673 | |
| 674 | register const PixelPacket |
| 675 | *pixels; |
| 676 | |
| 677 | register long |
| 678 | x; |
| 679 | |
| 680 | assert(iterator != (PixelIterator *) NULL); |
| 681 | assert(iterator->signature == WandSignature); |
| 682 | if (iterator->debug != MagickFalse) |
| 683 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 684 | *number_wands=0; |
| 685 | if (iterator->active != MagickFalse) |
| 686 | iterator->y++; |
| 687 | if (PixelSetIteratorRow(iterator,iterator->y) == MagickFalse) |
| 688 | return((PixelWand **) NULL); |
| 689 | pixels=GetCacheViewVirtualPixels(iterator->view,iterator->region.x, |
| 690 | iterator->region.y+iterator->y,iterator->region.width,1, |
| 691 | iterator->exception); |
| 692 | if (pixels == (const PixelPacket *) NULL) |
| 693 | { |
| 694 | InheritException(iterator->exception,GetCacheViewException( |
| 695 | iterator->view)); |
| 696 | return((PixelWand **) NULL); |
| 697 | } |
| 698 | indexes=GetCacheViewVirtualIndexQueue(iterator->view); |
| 699 | for (x=0; x < (long) iterator->region.width; x++) |
| 700 | PixelSetQuantumColor(iterator->pixel_wands[x],pixels+x); |
| 701 | if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) |
| 702 | for (x=0; x < (long) iterator->region.width; x++) |
| 703 | PixelSetBlackQuantum(iterator->pixel_wands[x],indexes[x]); |
| 704 | if (GetCacheViewStorageClass(iterator->view) == PseudoClass) |
| 705 | for (x=0; x < (long) iterator->region.width; x++) |
| 706 | PixelSetIndex(iterator->pixel_wands[x],indexes[x]); |
| 707 | *number_wands=iterator->region.width; |
| 708 | return(iterator->pixel_wands); |
| 709 | } |
| 710 | |
| 711 | /* |
| 712 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 713 | % % |
| 714 | % % |
| 715 | % % |
| 716 | % P i x e l G e t P r e v i o u s I t e r a t o r R o w % |
| 717 | % % |
| 718 | % % |
| 719 | % % |
| 720 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 721 | % |
| 722 | % PixelGetPreviousIteratorRow() returns the previous row as an array of pixel |
| 723 | % wands from the pixel iterator. |
| 724 | % |
| 725 | % The format of the PixelGetPreviousIteratorRow method is: |
| 726 | % |
| 727 | % PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator, |
| 728 | % unsigned long *number_wands) |
| 729 | % |
| 730 | % A description of each parameter follows: |
| 731 | % |
| 732 | % o iterator: the pixel iterator. |
| 733 | % |
| 734 | % o number_wands: the number of pixel wands. |
| 735 | % |
| 736 | */ |
| 737 | |
| 738 | WandExport PixelWand **PixelGetPreviousRow(PixelIterator *iterator) |
| 739 | { |
| 740 | unsigned long |
| 741 | number_wands; |
| 742 | |
| 743 | return(PixelGetPreviousIteratorRow(iterator,&number_wands)); |
| 744 | } |
| 745 | |
| 746 | WandExport PixelWand **PixelGetPreviousIteratorRow(PixelIterator *iterator, |
| 747 | unsigned long *number_wands) |
| 748 | { |
| 749 | register const IndexPacket |
| 750 | *indexes; |
| 751 | |
| 752 | register const PixelPacket |
| 753 | *pixels; |
| 754 | |
| 755 | register long |
| 756 | x; |
| 757 | |
| 758 | assert(iterator != (PixelIterator *) NULL); |
| 759 | assert(iterator->signature == WandSignature); |
| 760 | if (iterator->debug != MagickFalse) |
| 761 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 762 | *number_wands=0; |
| 763 | if (iterator->active != MagickFalse) |
| 764 | iterator->y--; |
| 765 | if (PixelSetIteratorRow(iterator,iterator->y) == MagickFalse) |
| 766 | return((PixelWand **) NULL); |
| 767 | pixels=GetCacheViewVirtualPixels(iterator->view,iterator->region.x, |
| 768 | iterator->region.y+iterator->y,iterator->region.width,1, |
| 769 | iterator->exception); |
| 770 | if (pixels == (const PixelPacket *) NULL) |
| 771 | { |
| 772 | InheritException(iterator->exception,GetCacheViewException( |
| 773 | iterator->view)); |
| 774 | return((PixelWand **) NULL); |
| 775 | } |
| 776 | indexes=GetCacheViewVirtualIndexQueue(iterator->view); |
| 777 | for (x=0; x < (long) iterator->region.width; x++) |
| 778 | PixelSetQuantumColor(iterator->pixel_wands[x],pixels+x); |
| 779 | if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) |
| 780 | for (x=0; x < (long) iterator->region.width; x++) |
| 781 | PixelSetBlackQuantum(iterator->pixel_wands[x],indexes[x]); |
| 782 | if (GetCacheViewStorageClass(iterator->view) == PseudoClass) |
| 783 | for (x=0; x < (long) iterator->region.width; x++) |
| 784 | PixelSetIndex(iterator->pixel_wands[x],indexes[x]); |
| 785 | *number_wands=iterator->region.width; |
| 786 | return(iterator->pixel_wands); |
| 787 | } |
| 788 | |
| 789 | /* |
| 790 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 791 | % % |
| 792 | % % |
| 793 | % % |
| 794 | % P i x e l R e s e t I t e r a t o r % |
| 795 | % % |
| 796 | % % |
| 797 | % % |
| 798 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 799 | % |
| 800 | % PixelResetIterator() resets the pixel iterator. Use it in conjunction |
| 801 | % with PixelGetNextIteratorRow() to iterate over all the pixels in a pixel |
| 802 | % container. |
| 803 | % |
| 804 | % The format of the PixelResetIterator method is: |
| 805 | % |
| 806 | % void PixelResetIterator(PixelIterator *iterator) |
| 807 | % |
| 808 | % A description of each parameter follows: |
| 809 | % |
| 810 | % o iterator: the pixel iterator. |
| 811 | % |
| 812 | */ |
| 813 | WandExport void PixelResetIterator(PixelIterator *iterator) |
| 814 | { |
| 815 | assert(iterator != (PixelIterator *) NULL); |
| 816 | assert(iterator->signature == WandSignature); |
| 817 | if (iterator->debug != MagickFalse) |
| 818 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 819 | iterator->active=MagickFalse; |
| 820 | iterator->y=0; |
| 821 | } |
| 822 | |
| 823 | /* |
| 824 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 825 | % % |
| 826 | % % |
| 827 | % % |
| 828 | % P i x e l S e t F i r s t I t e r a t o r R o w % |
| 829 | % % |
| 830 | % % |
| 831 | % % |
| 832 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 833 | % |
| 834 | % PixelSetFirstIteratorRow() sets the pixel iterator to the first pixel row. |
| 835 | % |
| 836 | % The format of the PixelSetFirstIteratorRow method is: |
| 837 | % |
| 838 | % void PixelSetFirstIteratorRow(PixelIterator *iterator) |
| 839 | % |
| 840 | % A description of each parameter follows: |
| 841 | % |
| 842 | % o iterator: the magick iterator. |
| 843 | % |
| 844 | */ |
| 845 | WandExport void PixelSetFirstIteratorRow(PixelIterator *iterator) |
| 846 | { |
| 847 | assert(iterator != (PixelIterator *) NULL); |
| 848 | assert(iterator->signature == WandSignature); |
| 849 | if (iterator->debug != MagickFalse) |
| 850 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 851 | iterator->active=MagickFalse; |
| 852 | iterator->y=iterator->region.y; |
| 853 | } |
| 854 | |
| 855 | /* |
| 856 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 857 | % % |
| 858 | % % |
| 859 | % % |
| 860 | % P i x e l S e t I t e r a t o r R o w % |
| 861 | % % |
| 862 | % % |
| 863 | % % |
| 864 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 865 | % |
| 866 | % PixelSetIteratorRow() set the pixel iterator row. |
| 867 | % |
| 868 | % The format of the PixelSetIteratorRow method is: |
| 869 | % |
| 870 | % MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator, |
| 871 | % const long row) |
| 872 | % |
| 873 | % A description of each parameter follows: |
| 874 | % |
| 875 | % o iterator: the pixel iterator. |
| 876 | % |
| 877 | */ |
| 878 | WandExport MagickBooleanType PixelSetIteratorRow(PixelIterator *iterator, |
| 879 | const long row) |
| 880 | { |
| 881 | assert(iterator != (const PixelIterator *) NULL); |
| 882 | assert(iterator->signature == WandSignature); |
| 883 | if (iterator->debug != MagickFalse) |
| 884 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 885 | if ((row < 0) || (row >= (long) iterator->region.height)) |
| 886 | return(MagickFalse); |
| 887 | iterator->active=MagickTrue; |
| 888 | iterator->y=row; |
| 889 | return(MagickTrue); |
| 890 | } |
| 891 | |
| 892 | /* |
| 893 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 894 | % % |
| 895 | % % |
| 896 | % % |
| 897 | % P i x e l S e t L a s t I t e r a t o r R o w % |
| 898 | % % |
| 899 | % % |
| 900 | % % |
| 901 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 902 | % |
| 903 | % PixelSetLastIteratorRow() sets the pixel iterator to the last pixel row. |
| 904 | % |
| 905 | % The format of the PixelSetLastIteratorRow method is: |
| 906 | % |
| 907 | % void PixelSetLastIteratorRow(PixelIterator *iterator) |
| 908 | % |
| 909 | % A description of each parameter follows: |
| 910 | % |
| 911 | % o iterator: the magick iterator. |
| 912 | % |
| 913 | */ |
| 914 | WandExport void PixelSetLastIteratorRow(PixelIterator *iterator) |
| 915 | { |
| 916 | assert(iterator != (PixelIterator *) NULL); |
| 917 | assert(iterator->signature == WandSignature); |
| 918 | if (iterator->debug != MagickFalse) |
| 919 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 920 | iterator->active=MagickFalse; |
| 921 | iterator->y=(long) iterator->region.height-1; |
| 922 | } |
| 923 | |
| 924 | /* |
| 925 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 926 | % % |
| 927 | % % |
| 928 | % % |
| 929 | % P i x e l S y n c I t e r a t o r % |
| 930 | % % |
| 931 | % % |
| 932 | % % |
| 933 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 934 | % |
| 935 | % PixelSyncIterator() syncs the pixel iterator. |
| 936 | % |
| 937 | % The format of the PixelSyncIterator method is: |
| 938 | % |
| 939 | % MagickBooleanType PixelSyncIterator(PixelIterator *iterator) |
| 940 | % |
| 941 | % A description of each parameter follows: |
| 942 | % |
| 943 | % o iterator: the pixel iterator. |
| 944 | % |
| 945 | */ |
| 946 | WandExport MagickBooleanType PixelSyncIterator(PixelIterator *iterator) |
| 947 | { |
| 948 | ExceptionInfo |
| 949 | *exception; |
| 950 | |
| 951 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 952 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 953 | |
| 954 | register long |
| 955 | x; |
| 956 | |
| 957 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 958 | *restrict pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 959 | |
| 960 | assert(iterator != (const PixelIterator *) NULL); |
| 961 | assert(iterator->signature == WandSignature); |
| 962 | if (iterator->debug != MagickFalse) |
| 963 | (void) LogMagickEvent(WandEvent,GetMagickModule(),"%s",iterator->name); |
| 964 | if (SetCacheViewStorageClass(iterator->view,DirectClass) == MagickFalse) |
| 965 | return(MagickFalse); |
| 966 | exception=iterator->exception; |
| 967 | pixels=GetCacheViewAuthenticPixels(iterator->view,iterator->region.x, |
| 968 | iterator->region.y+iterator->y,iterator->region.width,1,exception); |
| 969 | if (pixels == (PixelPacket *) NULL) |
| 970 | { |
| 971 | InheritException(iterator->exception,GetCacheViewException( |
| 972 | iterator->view)); |
| 973 | return(MagickFalse); |
| 974 | } |
| 975 | indexes=GetCacheViewAuthenticIndexQueue(iterator->view); |
| 976 | for (x=0; x < (long) iterator->region.width; x++) |
| 977 | PixelGetQuantumColor(iterator->pixel_wands[x],pixels+x); |
| 978 | if (GetCacheViewColorspace(iterator->view) == CMYKColorspace) |
| 979 | for (x=0; x < (long) iterator->region.width; x++) |
| 980 | indexes[x]=PixelGetBlackQuantum(iterator->pixel_wands[x]); |
| 981 | if (SyncCacheViewAuthenticPixels(iterator->view,exception) == MagickFalse) |
| 982 | { |
| 983 | InheritException(iterator->exception,GetCacheViewException( |
| 984 | iterator->view)); |
| 985 | return(MagickFalse); |
| 986 | } |
| 987 | return(MagickTrue); |
| 988 | } |