cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % FFFFF X X % |
| 7 | % F X X % |
| 8 | % FFF X % |
| 9 | % F X X % |
| 10 | % F X X % |
| 11 | % % |
| 12 | % % |
| 13 | % MagickCore Image Special Effects Methods % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % October 1996 % |
| 18 | % % |
| 19 | % % |
| 20 | % Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization % |
| 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | % |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | Include declarations. |
| 42 | */ |
| 43 | #include "magick/studio.h" |
| 44 | #include "magick/annotate.h" |
| 45 | #include "magick/artifact.h" |
cristy | cd22010 | 2009-10-14 19:39:10 +0000 | [diff] [blame] | 46 | #include "magick/attribute.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 47 | #include "magick/cache.h" |
| 48 | #include "magick/cache-view.h" |
| 49 | #include "magick/color.h" |
| 50 | #include "magick/color-private.h" |
| 51 | #include "magick/composite.h" |
| 52 | #include "magick/decorate.h" |
| 53 | #include "magick/draw.h" |
| 54 | #include "magick/effect.h" |
| 55 | #include "magick/enhance.h" |
| 56 | #include "magick/exception.h" |
| 57 | #include "magick/exception-private.h" |
| 58 | #include "magick/fx.h" |
| 59 | #include "magick/fx-private.h" |
| 60 | #include "magick/gem.h" |
| 61 | #include "magick/geometry.h" |
| 62 | #include "magick/layer.h" |
| 63 | #include "magick/list.h" |
| 64 | #include "magick/log.h" |
| 65 | #include "magick/image.h" |
| 66 | #include "magick/image-private.h" |
| 67 | #include "magick/memory_.h" |
| 68 | #include "magick/monitor.h" |
| 69 | #include "magick/monitor-private.h" |
| 70 | #include "magick/option.h" |
| 71 | #include "magick/pixel-private.h" |
| 72 | #include "magick/property.h" |
| 73 | #include "magick/quantum.h" |
| 74 | #include "magick/random_.h" |
| 75 | #include "magick/random-private.h" |
| 76 | #include "magick/resample.h" |
| 77 | #include "magick/resample-private.h" |
| 78 | #include "magick/resize.h" |
| 79 | #include "magick/shear.h" |
| 80 | #include "magick/splay-tree.h" |
| 81 | #include "magick/statistic.h" |
| 82 | #include "magick/string_.h" |
| 83 | #include "magick/thread-private.h" |
| 84 | #include "magick/transform.h" |
| 85 | #include "magick/utility.h" |
| 86 | |
| 87 | /* |
| 88 | Define declarations. |
| 89 | */ |
| 90 | #define LeftShiftOperator 0xf5 |
| 91 | #define RightShiftOperator 0xf6 |
| 92 | #define LessThanEqualOperator 0xf7 |
| 93 | #define GreaterThanEqualOperator 0xf8 |
| 94 | #define EqualOperator 0xf9 |
| 95 | #define NotEqualOperator 0xfa |
| 96 | #define LogicalAndOperator 0xfb |
| 97 | #define LogicalOrOperator 0xfc |
| 98 | |
| 99 | struct _FxInfo |
| 100 | { |
| 101 | const Image |
| 102 | *images; |
| 103 | |
| 104 | MagickBooleanType |
| 105 | matte; |
| 106 | |
| 107 | char |
| 108 | *expression; |
| 109 | |
| 110 | FILE |
| 111 | *file; |
| 112 | |
| 113 | SplayTreeInfo |
| 114 | *colors, |
| 115 | *symbols; |
| 116 | |
| 117 | ResampleFilter |
| 118 | **resample_filter; |
| 119 | |
| 120 | RandomInfo |
| 121 | *random_info; |
| 122 | |
| 123 | ExceptionInfo |
| 124 | *exception; |
| 125 | }; |
| 126 | |
| 127 | /* |
| 128 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 129 | % % |
| 130 | % % |
| 131 | % % |
| 132 | + A c q u i r e F x I n f o % |
| 133 | % % |
| 134 | % % |
| 135 | % % |
| 136 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 137 | % |
| 138 | % AcquireFxInfo() allocates the FxInfo structure. |
| 139 | % |
| 140 | % The format of the AcquireFxInfo method is: |
| 141 | % |
| 142 | % FxInfo *AcquireFxInfo(Image *image,const char *expression) |
| 143 | % A description of each parameter follows: |
| 144 | % |
| 145 | % o image: the image. |
| 146 | % |
| 147 | % o expression: the expression. |
| 148 | % |
| 149 | */ |
| 150 | MagickExport FxInfo *AcquireFxInfo(const Image *image,const char *expression) |
| 151 | { |
| 152 | char |
| 153 | fx_op[2]; |
| 154 | |
| 155 | FxInfo |
| 156 | *fx_info; |
| 157 | |
| 158 | register long |
| 159 | i; |
| 160 | |
| 161 | fx_info=(FxInfo *) AcquireMagickMemory(sizeof(*fx_info)); |
| 162 | if (fx_info == (FxInfo *) NULL) |
| 163 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 164 | (void) ResetMagickMemory(fx_info,0,sizeof(*fx_info)); |
| 165 | fx_info->exception=AcquireExceptionInfo(); |
| 166 | fx_info->images=image; |
| 167 | fx_info->matte=image->matte; |
| 168 | fx_info->colors=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory, |
| 169 | RelinquishMagickMemory); |
| 170 | fx_info->symbols=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory, |
| 171 | RelinquishMagickMemory); |
| 172 | fx_info->resample_filter=(ResampleFilter **) AcquireQuantumMemory( |
| 173 | GetImageListLength(fx_info->images),sizeof(*fx_info->resample_filter)); |
| 174 | if (fx_info->resample_filter == (ResampleFilter **) NULL) |
| 175 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 176 | for (i=0; i < (long) GetImageListLength(fx_info->images); i++) |
| 177 | { |
| 178 | fx_info->resample_filter[i]=AcquireResampleFilter(GetImageFromList( |
| 179 | fx_info->images,i),fx_info->exception); |
| 180 | SetResampleFilter(fx_info->resample_filter[i],PointFilter,1.0); |
| 181 | } |
| 182 | fx_info->random_info=AcquireRandomInfo(); |
| 183 | fx_info->expression=ConstantString(expression); |
| 184 | fx_info->file=stderr; |
| 185 | (void) SubstituteString(&fx_info->expression," ",""); /* compact string */ |
| 186 | if ((strstr(fx_info->expression,"e+") != (char *) NULL) || |
| 187 | (strstr(fx_info->expression,"e-") != (char *) NULL)) |
| 188 | { |
| 189 | /* |
| 190 | Convert scientific notation. |
| 191 | */ |
| 192 | (void) SubstituteString(&fx_info->expression,"0e+","0*10^"); |
| 193 | (void) SubstituteString(&fx_info->expression,"1e+","1*10^"); |
| 194 | (void) SubstituteString(&fx_info->expression,"2e+","2*10^"); |
| 195 | (void) SubstituteString(&fx_info->expression,"3e+","3*10^"); |
| 196 | (void) SubstituteString(&fx_info->expression,"4e+","4*10^"); |
| 197 | (void) SubstituteString(&fx_info->expression,"5e+","5*10^"); |
| 198 | (void) SubstituteString(&fx_info->expression,"6e+","6*10^"); |
| 199 | (void) SubstituteString(&fx_info->expression,"7e+","7*10^"); |
| 200 | (void) SubstituteString(&fx_info->expression,"8e+","8*10^"); |
| 201 | (void) SubstituteString(&fx_info->expression,"9e+","9*10^"); |
| 202 | (void) SubstituteString(&fx_info->expression,"0e-","0*10^-"); |
| 203 | (void) SubstituteString(&fx_info->expression,"1e-","1*10^-"); |
| 204 | (void) SubstituteString(&fx_info->expression,"2e-","2*10^-"); |
| 205 | (void) SubstituteString(&fx_info->expression,"3e-","3*10^-"); |
| 206 | (void) SubstituteString(&fx_info->expression,"4e-","4*10^-"); |
| 207 | (void) SubstituteString(&fx_info->expression,"5e-","5*10^-"); |
| 208 | (void) SubstituteString(&fx_info->expression,"6e-","6*10^-"); |
| 209 | (void) SubstituteString(&fx_info->expression,"7e-","7*10^-"); |
| 210 | (void) SubstituteString(&fx_info->expression,"8e-","8*10^-"); |
| 211 | (void) SubstituteString(&fx_info->expression,"9e-","9*10^-"); |
| 212 | } |
| 213 | /* |
| 214 | Convert complex to simple operators. |
| 215 | */ |
| 216 | fx_op[1]='\0'; |
| 217 | *fx_op=(char) LeftShiftOperator; |
| 218 | (void) SubstituteString(&fx_info->expression,"<<",fx_op); |
| 219 | *fx_op=(char) RightShiftOperator; |
| 220 | (void) SubstituteString(&fx_info->expression,">>",fx_op); |
| 221 | *fx_op=(char) LessThanEqualOperator; |
| 222 | (void) SubstituteString(&fx_info->expression,"<=",fx_op); |
| 223 | *fx_op=(char) GreaterThanEqualOperator; |
| 224 | (void) SubstituteString(&fx_info->expression,">=",fx_op); |
| 225 | *fx_op=(char) EqualOperator; |
| 226 | (void) SubstituteString(&fx_info->expression,"==",fx_op); |
| 227 | *fx_op=(char) NotEqualOperator; |
| 228 | (void) SubstituteString(&fx_info->expression,"!=",fx_op); |
| 229 | *fx_op=(char) LogicalAndOperator; |
| 230 | (void) SubstituteString(&fx_info->expression,"&&",fx_op); |
| 231 | *fx_op=(char) LogicalOrOperator; |
| 232 | (void) SubstituteString(&fx_info->expression,"||",fx_op); |
| 233 | return(fx_info); |
| 234 | } |
| 235 | |
| 236 | /* |
| 237 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 238 | % % |
| 239 | % % |
| 240 | % % |
| 241 | % A d d N o i s e I m a g e % |
| 242 | % % |
| 243 | % % |
| 244 | % % |
| 245 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 246 | % |
| 247 | % AddNoiseImage() adds random noise to the image. |
| 248 | % |
| 249 | % The format of the AddNoiseImage method is: |
| 250 | % |
| 251 | % Image *AddNoiseImage(const Image *image,const NoiseType noise_type, |
| 252 | % ExceptionInfo *exception) |
| 253 | % Image *AddNoiseImageChannel(const Image *image,const ChannelType channel, |
| 254 | % const NoiseType noise_type,ExceptionInfo *exception) |
| 255 | % |
| 256 | % A description of each parameter follows: |
| 257 | % |
| 258 | % o image: the image. |
| 259 | % |
| 260 | % o channel: the channel type. |
| 261 | % |
| 262 | % o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, |
| 263 | % Impulse, Laplacian, or Poisson. |
| 264 | % |
| 265 | % o exception: return any errors or warnings in this structure. |
| 266 | % |
| 267 | */ |
| 268 | MagickExport Image *AddNoiseImage(const Image *image,const NoiseType noise_type, |
| 269 | ExceptionInfo *exception) |
| 270 | { |
| 271 | Image |
| 272 | *noise_image; |
| 273 | |
| 274 | noise_image=AddNoiseImageChannel(image,DefaultChannels,noise_type,exception); |
| 275 | return(noise_image); |
| 276 | } |
| 277 | |
| 278 | MagickExport Image *AddNoiseImageChannel(const Image *image, |
| 279 | const ChannelType channel,const NoiseType noise_type,ExceptionInfo *exception) |
| 280 | { |
| 281 | #define AddNoiseImageTag "AddNoise/Image" |
| 282 | |
| 283 | const char |
| 284 | *option; |
| 285 | |
| 286 | Image |
| 287 | *noise_image; |
| 288 | |
| 289 | long |
| 290 | progress, |
| 291 | y; |
| 292 | |
| 293 | MagickBooleanType |
| 294 | status; |
| 295 | |
| 296 | MagickRealType |
| 297 | attenuate; |
| 298 | |
| 299 | RandomInfo |
| 300 | **random_info; |
| 301 | |
| 302 | CacheView |
| 303 | *image_view, |
| 304 | *noise_view; |
| 305 | |
| 306 | /* |
| 307 | Initialize noise image attributes. |
| 308 | */ |
| 309 | assert(image != (const Image *) NULL); |
| 310 | assert(image->signature == MagickSignature); |
| 311 | if (image->debug != MagickFalse) |
| 312 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 313 | assert(exception != (ExceptionInfo *) NULL); |
| 314 | assert(exception->signature == MagickSignature); |
| 315 | noise_image=CloneImage(image,0,0,MagickTrue,exception); |
| 316 | if (noise_image == (Image *) NULL) |
| 317 | return((Image *) NULL); |
| 318 | if (SetImageStorageClass(noise_image,DirectClass) == MagickFalse) |
| 319 | { |
| 320 | InheritException(exception,&noise_image->exception); |
| 321 | noise_image=DestroyImage(noise_image); |
| 322 | return((Image *) NULL); |
| 323 | } |
| 324 | /* |
| 325 | Add noise in each row. |
| 326 | */ |
| 327 | attenuate=1.0; |
| 328 | option=GetImageArtifact(image,"attenuate"); |
| 329 | if (option != (char *) NULL) |
| 330 | attenuate=atof(option); |
| 331 | status=MagickTrue; |
| 332 | progress=0; |
| 333 | random_info=AcquireRandomInfoThreadSet(); |
| 334 | image_view=AcquireCacheView(image); |
| 335 | noise_view=AcquireCacheView(noise_image); |
cristy | b28d647 | 2009-10-17 20:13:35 +0000 | [diff] [blame] | 336 | #if defined(MAGICKCOREMAGICKCORE_OPENMP_SUPPORT_SUPPORT_DEBUG) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 337 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 338 | #endif |
| 339 | for (y=0; y < (long) image->rows; y++) |
| 340 | { |
| 341 | MagickBooleanType |
| 342 | sync; |
| 343 | |
| 344 | register const IndexPacket |
| 345 | *__restrict indexes; |
| 346 | |
| 347 | register const PixelPacket |
| 348 | *__restrict p; |
| 349 | |
| 350 | register IndexPacket |
| 351 | *__restrict noise_indexes; |
| 352 | |
| 353 | register long |
| 354 | id, |
| 355 | x; |
| 356 | |
| 357 | register PixelPacket |
| 358 | *__restrict q; |
| 359 | |
| 360 | if (status == MagickFalse) |
| 361 | continue; |
| 362 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 363 | q=GetCacheViewAuthenticPixels(noise_view,0,y,noise_image->columns,1, |
| 364 | exception); |
| 365 | if ((p == (PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 366 | { |
| 367 | status=MagickFalse; |
| 368 | continue; |
| 369 | } |
| 370 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 371 | noise_indexes=GetCacheViewAuthenticIndexQueue(noise_view); |
| 372 | id=GetOpenMPThreadId(); |
| 373 | for (x=0; x < (long) image->columns; x++) |
| 374 | { |
| 375 | if ((channel & RedChannel) != 0) |
| 376 | q->red=RoundToQuantum(GenerateDifferentialNoise(random_info[id], |
| 377 | p->red,noise_type,attenuate)); |
| 378 | if ((channel & GreenChannel) != 0) |
| 379 | q->green=RoundToQuantum(GenerateDifferentialNoise(random_info[id], |
| 380 | p->green,noise_type,attenuate)); |
| 381 | if ((channel & BlueChannel) != 0) |
| 382 | q->blue=RoundToQuantum(GenerateDifferentialNoise(random_info[id], |
| 383 | p->blue,noise_type,attenuate)); |
| 384 | if ((channel & OpacityChannel) != 0) |
| 385 | q->opacity=RoundToQuantum(GenerateDifferentialNoise(random_info[id], |
| 386 | p->opacity,noise_type,attenuate)); |
| 387 | if (((channel & IndexChannel) != 0) && |
| 388 | (image->colorspace == CMYKColorspace)) |
| 389 | noise_indexes[x]=(IndexPacket) RoundToQuantum(GenerateDifferentialNoise( |
| 390 | random_info[id],indexes[x],noise_type,attenuate)); |
| 391 | p++; |
| 392 | q++; |
| 393 | } |
| 394 | sync=SyncCacheViewAuthenticPixels(noise_view,exception); |
| 395 | if (sync == MagickFalse) |
| 396 | status=MagickFalse; |
| 397 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 398 | { |
| 399 | MagickBooleanType |
| 400 | proceed; |
| 401 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 402 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 403 | #pragma omp critical (MagickCore_AverageImages) |
| 404 | #endif |
| 405 | proceed=SetImageProgress(image,AddNoiseImageTag,progress++, |
| 406 | image->rows); |
| 407 | if (proceed == MagickFalse) |
| 408 | status=MagickFalse; |
| 409 | } |
| 410 | } |
| 411 | noise_view=DestroyCacheView(noise_view); |
| 412 | image_view=DestroyCacheView(image_view); |
| 413 | random_info=DestroyRandomInfoThreadSet(random_info); |
| 414 | if (status == MagickFalse) |
| 415 | noise_image=DestroyImage(noise_image); |
| 416 | return(noise_image); |
| 417 | } |
| 418 | |
| 419 | /* |
| 420 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 421 | % % |
| 422 | % % |
| 423 | % % |
| 424 | % B l u e S h i f t I m a g e % |
| 425 | % % |
| 426 | % % |
| 427 | % % |
| 428 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 429 | % |
| 430 | % BlueShiftImage() mutes the colors of the image to simulate a scene at |
| 431 | % nighttime in the moonlight. |
| 432 | % |
| 433 | % The format of the BlueShiftImage method is: |
| 434 | % |
| 435 | % Image *BlueShiftImage(const Image *image,const double factor, |
| 436 | % ExceptionInfo *exception) |
| 437 | % |
| 438 | % A description of each parameter follows: |
| 439 | % |
| 440 | % o image: the image. |
| 441 | % |
| 442 | % o factor: the shift factor. |
| 443 | % |
| 444 | % o exception: return any errors or warnings in this structure. |
| 445 | % |
| 446 | */ |
| 447 | MagickExport Image *BlueShiftImage(const Image *image,const double factor, |
| 448 | ExceptionInfo *exception) |
| 449 | { |
| 450 | #define BlueShiftImageTag "BlueShift/Image" |
| 451 | |
| 452 | Image |
| 453 | *shift_image; |
| 454 | |
| 455 | long |
| 456 | progress, |
| 457 | y; |
| 458 | |
| 459 | MagickBooleanType |
| 460 | status; |
| 461 | |
| 462 | CacheView |
| 463 | *image_view, |
| 464 | *shift_view; |
| 465 | |
| 466 | /* |
| 467 | Allocate blue shift image. |
| 468 | */ |
| 469 | assert(image != (const Image *) NULL); |
| 470 | assert(image->signature == MagickSignature); |
| 471 | if (image->debug != MagickFalse) |
| 472 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 473 | assert(exception != (ExceptionInfo *) NULL); |
| 474 | assert(exception->signature == MagickSignature); |
| 475 | shift_image=CloneImage(image,image->columns,image->rows,MagickTrue, |
| 476 | exception); |
| 477 | if (shift_image == (Image *) NULL) |
| 478 | return((Image *) NULL); |
| 479 | if (SetImageStorageClass(shift_image,DirectClass) == MagickFalse) |
| 480 | { |
| 481 | InheritException(exception,&shift_image->exception); |
| 482 | shift_image=DestroyImage(shift_image); |
| 483 | return((Image *) NULL); |
| 484 | } |
| 485 | /* |
| 486 | Blue-shift DirectClass image. |
| 487 | */ |
| 488 | status=MagickTrue; |
| 489 | progress=0; |
| 490 | image_view=AcquireCacheView(image); |
| 491 | shift_view=AcquireCacheView(shift_image); |
cristy | b28d647 | 2009-10-17 20:13:35 +0000 | [diff] [blame] | 492 | #if defined(MAGICKCOREMAGICKCORE_OPENMP_SUPPORT_SUPPORT_DEBUG) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 493 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 494 | #endif |
| 495 | for (y=0; y < (long) image->rows; y++) |
| 496 | { |
| 497 | MagickBooleanType |
| 498 | sync; |
| 499 | |
| 500 | MagickPixelPacket |
| 501 | pixel; |
| 502 | |
| 503 | Quantum |
| 504 | quantum; |
| 505 | |
| 506 | register const PixelPacket |
| 507 | *__restrict p; |
| 508 | |
| 509 | register long |
| 510 | x; |
| 511 | |
| 512 | register PixelPacket |
| 513 | *__restrict q; |
| 514 | |
| 515 | if (status == MagickFalse) |
| 516 | continue; |
| 517 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 518 | q=QueueCacheViewAuthenticPixels(shift_view,0,y,shift_image->columns,1, |
| 519 | exception); |
| 520 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 521 | { |
| 522 | status=MagickFalse; |
| 523 | continue; |
| 524 | } |
| 525 | for (x=0; x < (long) image->columns; x++) |
| 526 | { |
| 527 | quantum=p->red; |
| 528 | if (p->green < quantum) |
| 529 | quantum=p->green; |
| 530 | if (p->blue < quantum) |
| 531 | quantum=p->blue; |
| 532 | pixel.red=0.5*(p->red+factor*quantum); |
| 533 | pixel.green=0.5*(p->green+factor*quantum); |
| 534 | pixel.blue=0.5*(p->blue+factor*quantum); |
| 535 | quantum=p->red; |
| 536 | if (p->green > quantum) |
| 537 | quantum=p->green; |
| 538 | if (p->blue > quantum) |
| 539 | quantum=p->blue; |
| 540 | pixel.red=0.5*(pixel.red+factor*quantum); |
| 541 | pixel.green=0.5*(pixel.green+factor*quantum); |
| 542 | pixel.blue=0.5*(pixel.blue+factor*quantum); |
| 543 | q->red=RoundToQuantum(pixel.red); |
| 544 | q->green=RoundToQuantum(pixel.green); |
| 545 | q->blue=RoundToQuantum(pixel.blue); |
| 546 | p++; |
| 547 | q++; |
| 548 | } |
| 549 | sync=SyncCacheViewAuthenticPixels(shift_view,exception); |
| 550 | if (sync == MagickFalse) |
| 551 | status=MagickFalse; |
| 552 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 553 | { |
| 554 | MagickBooleanType |
| 555 | proceed; |
| 556 | |
cristy | b28d647 | 2009-10-17 20:13:35 +0000 | [diff] [blame] | 557 | #if defined(MAGICKCOREMAGICKCORE_OPENMP_SUPPORT_SUPPORT_DEBUG) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 558 | #pragma omp critical (MagickCore_BlueShiftImage) |
| 559 | #endif |
| 560 | proceed=SetImageProgress(image,BlueShiftImageTag,progress++, |
| 561 | image->rows); |
| 562 | if (proceed == MagickFalse) |
| 563 | status=MagickFalse; |
| 564 | } |
| 565 | } |
| 566 | image_view=DestroyCacheView(image_view); |
| 567 | shift_view=DestroyCacheView(shift_view); |
| 568 | if (status == MagickFalse) |
| 569 | shift_image=DestroyImage(shift_image); |
| 570 | return(shift_image); |
| 571 | } |
| 572 | |
| 573 | /* |
| 574 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 575 | % % |
| 576 | % % |
| 577 | % % |
| 578 | % C h a r c o a l I m a g e % |
| 579 | % % |
| 580 | % % |
| 581 | % % |
| 582 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 583 | % |
| 584 | % CharcoalImage() creates a new image that is a copy of an existing one with |
| 585 | % the edge highlighted. It allocates the memory necessary for the new Image |
| 586 | % structure and returns a pointer to the new image. |
| 587 | % |
| 588 | % The format of the CharcoalImage method is: |
| 589 | % |
| 590 | % Image *CharcoalImage(const Image *image,const double radius, |
| 591 | % const double sigma,ExceptionInfo *exception) |
| 592 | % |
| 593 | % A description of each parameter follows: |
| 594 | % |
| 595 | % o image: the image. |
| 596 | % |
| 597 | % o radius: the radius of the pixel neighborhood. |
| 598 | % |
| 599 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 600 | % |
| 601 | % o exception: return any errors or warnings in this structure. |
| 602 | % |
| 603 | */ |
| 604 | MagickExport Image *CharcoalImage(const Image *image,const double radius, |
| 605 | const double sigma,ExceptionInfo *exception) |
| 606 | { |
| 607 | Image |
| 608 | *charcoal_image, |
| 609 | *clone_image, |
| 610 | *edge_image; |
| 611 | |
| 612 | assert(image != (Image *) NULL); |
| 613 | assert(image->signature == MagickSignature); |
| 614 | if (image->debug != MagickFalse) |
| 615 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 616 | assert(exception != (ExceptionInfo *) NULL); |
| 617 | assert(exception->signature == MagickSignature); |
| 618 | clone_image=CloneImage(image,0,0,MagickTrue,exception); |
| 619 | if (clone_image == (Image *) NULL) |
| 620 | return((Image *) NULL); |
| 621 | (void) SetImageType(clone_image,GrayscaleType); |
| 622 | edge_image=EdgeImage(clone_image,radius,exception); |
| 623 | clone_image=DestroyImage(clone_image); |
| 624 | if (edge_image == (Image *) NULL) |
| 625 | return((Image *) NULL); |
| 626 | charcoal_image=BlurImage(edge_image,radius,sigma,exception); |
| 627 | edge_image=DestroyImage(edge_image); |
| 628 | if (charcoal_image == (Image *) NULL) |
| 629 | return((Image *) NULL); |
| 630 | (void) NormalizeImage(charcoal_image); |
| 631 | (void) NegateImage(charcoal_image,MagickFalse); |
| 632 | (void) SetImageType(charcoal_image,GrayscaleType); |
| 633 | return(charcoal_image); |
| 634 | } |
| 635 | |
| 636 | /* |
| 637 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 638 | % % |
| 639 | % % |
| 640 | % % |
| 641 | % C o l o r i z e I m a g e % |
| 642 | % % |
| 643 | % % |
| 644 | % % |
| 645 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 646 | % |
| 647 | % ColorizeImage() blends the fill color with each pixel in the image. |
| 648 | % A percentage blend is specified with opacity. Control the application |
| 649 | % of different color components by specifying a different percentage for |
| 650 | % each component (e.g. 90/100/10 is 90% red, 100% green, and 10% blue). |
| 651 | % |
| 652 | % The format of the ColorizeImage method is: |
| 653 | % |
| 654 | % Image *ColorizeImage(const Image *image,const char *opacity, |
| 655 | % const PixelPacket colorize,ExceptionInfo *exception) |
| 656 | % |
| 657 | % A description of each parameter follows: |
| 658 | % |
| 659 | % o image: the image. |
| 660 | % |
| 661 | % o opacity: A character string indicating the level of opacity as a |
| 662 | % percentage. |
| 663 | % |
| 664 | % o colorize: A color value. |
| 665 | % |
| 666 | % o exception: return any errors or warnings in this structure. |
| 667 | % |
| 668 | */ |
| 669 | MagickExport Image *ColorizeImage(const Image *image,const char *opacity, |
| 670 | const PixelPacket colorize,ExceptionInfo *exception) |
| 671 | { |
| 672 | #define ColorizeImageTag "Colorize/Image" |
| 673 | |
| 674 | GeometryInfo |
| 675 | geometry_info; |
| 676 | |
| 677 | Image |
| 678 | *colorize_image; |
| 679 | |
| 680 | long |
| 681 | progress, |
| 682 | y; |
| 683 | |
| 684 | MagickBooleanType |
| 685 | status; |
| 686 | |
| 687 | MagickPixelPacket |
| 688 | pixel; |
| 689 | |
| 690 | MagickStatusType |
| 691 | flags; |
| 692 | |
| 693 | CacheView |
| 694 | *colorize_view, |
| 695 | *image_view; |
| 696 | |
| 697 | /* |
| 698 | Allocate colorized image. |
| 699 | */ |
| 700 | assert(image != (const Image *) NULL); |
| 701 | assert(image->signature == MagickSignature); |
| 702 | if (image->debug != MagickFalse) |
| 703 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 704 | assert(exception != (ExceptionInfo *) NULL); |
| 705 | assert(exception->signature == MagickSignature); |
| 706 | colorize_image=CloneImage(image,image->columns,image->rows,MagickTrue, |
| 707 | exception); |
| 708 | if (colorize_image == (Image *) NULL) |
| 709 | return((Image *) NULL); |
| 710 | if (SetImageStorageClass(colorize_image,DirectClass) == MagickFalse) |
| 711 | { |
| 712 | InheritException(exception,&colorize_image->exception); |
| 713 | colorize_image=DestroyImage(colorize_image); |
| 714 | return((Image *) NULL); |
| 715 | } |
| 716 | if (opacity == (const char *) NULL) |
| 717 | return(colorize_image); |
| 718 | /* |
| 719 | Determine RGB values of the pen color. |
| 720 | */ |
| 721 | flags=ParseGeometry(opacity,&geometry_info); |
| 722 | pixel.red=geometry_info.rho; |
| 723 | pixel.green=geometry_info.rho; |
| 724 | pixel.blue=geometry_info.rho; |
| 725 | pixel.opacity=(MagickRealType) OpaqueOpacity; |
| 726 | if ((flags & SigmaValue) != 0) |
| 727 | pixel.green=geometry_info.sigma; |
| 728 | if ((flags & XiValue) != 0) |
| 729 | pixel.blue=geometry_info.xi; |
| 730 | if ((flags & PsiValue) != 0) |
| 731 | pixel.opacity=geometry_info.psi; |
| 732 | /* |
| 733 | Colorize DirectClass image. |
| 734 | */ |
| 735 | status=MagickTrue; |
| 736 | progress=0; |
| 737 | image_view=AcquireCacheView(image); |
| 738 | colorize_view=AcquireCacheView(colorize_image); |
cristy | b28d647 | 2009-10-17 20:13:35 +0000 | [diff] [blame] | 739 | #if defined(MAGICKCOREMAGICKCORE_OPENMP_SUPPORT_SUPPORT_DEBUG) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 740 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 741 | #endif |
| 742 | for (y=0; y < (long) image->rows; y++) |
| 743 | { |
| 744 | MagickBooleanType |
| 745 | sync; |
| 746 | |
| 747 | register const PixelPacket |
| 748 | *__restrict p; |
| 749 | |
| 750 | register long |
| 751 | x; |
| 752 | |
| 753 | register PixelPacket |
| 754 | *__restrict q; |
| 755 | |
| 756 | if (status == MagickFalse) |
| 757 | continue; |
| 758 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 759 | q=QueueCacheViewAuthenticPixels(colorize_view,0,y,colorize_image->columns,1, |
| 760 | exception); |
| 761 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 762 | { |
| 763 | status=MagickFalse; |
| 764 | continue; |
| 765 | } |
| 766 | for (x=0; x < (long) image->columns; x++) |
| 767 | { |
| 768 | q->red=(Quantum) ((p->red*(100.0-pixel.red)+ |
| 769 | colorize.red*pixel.red)/100.0); |
| 770 | q->green=(Quantum) ((p->green*(100.0-pixel.green)+ |
| 771 | colorize.green*pixel.green)/100.0); |
| 772 | q->blue=(Quantum) ((p->blue*(100.0-pixel.blue)+ |
| 773 | colorize.blue*pixel.blue)/100.0); |
| 774 | q->opacity=(Quantum) ((p->opacity*(100.0-pixel.opacity)+ |
| 775 | colorize.opacity*pixel.opacity)/100.0); |
| 776 | p++; |
| 777 | q++; |
| 778 | } |
| 779 | sync=SyncCacheViewAuthenticPixels(colorize_view,exception); |
| 780 | if (sync == MagickFalse) |
| 781 | status=MagickFalse; |
| 782 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 783 | { |
| 784 | MagickBooleanType |
| 785 | proceed; |
| 786 | |
cristy | b28d647 | 2009-10-17 20:13:35 +0000 | [diff] [blame] | 787 | #if defined(MAGICKCOREMAGICKCORE_OPENMP_SUPPORT_SUPPORT_DEBUG) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 788 | #pragma omp critical (MagickCore_ColorizeImage) |
| 789 | #endif |
| 790 | proceed=SetImageProgress(image,ColorizeImageTag,progress++,image->rows); |
| 791 | if (proceed == MagickFalse) |
| 792 | status=MagickFalse; |
| 793 | } |
| 794 | } |
| 795 | image_view=DestroyCacheView(image_view); |
| 796 | colorize_view=DestroyCacheView(colorize_view); |
| 797 | if (status == MagickFalse) |
| 798 | colorize_image=DestroyImage(colorize_image); |
| 799 | return(colorize_image); |
| 800 | } |
| 801 | |
| 802 | /* |
| 803 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 804 | % % |
| 805 | % % |
| 806 | % % |
| 807 | % C o n v o l v e I m a g e % |
| 808 | % % |
| 809 | % % |
| 810 | % % |
| 811 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 812 | % |
| 813 | % ConvolveImage() applies a custom convolution kernel to the image. |
| 814 | % |
| 815 | % The format of the ConvolveImage method is: |
| 816 | % |
| 817 | % Image *ConvolveImage(const Image *image,const unsigned long order, |
| 818 | % const double *kernel,ExceptionInfo *exception) |
| 819 | % Image *ConvolveImageChannel(const Image *image,const ChannelType channel, |
| 820 | % const unsigned long order,const double *kernel, |
| 821 | % ExceptionInfo *exception) |
| 822 | % |
| 823 | % A description of each parameter follows: |
| 824 | % |
| 825 | % o image: the image. |
| 826 | % |
| 827 | % o channel: the channel type. |
| 828 | % |
| 829 | % o order: the number of columns and rows in the filter kernel. |
| 830 | % |
| 831 | % o kernel: An array of double representing the convolution kernel. |
| 832 | % |
| 833 | % o exception: return any errors or warnings in this structure. |
| 834 | % |
| 835 | */ |
| 836 | |
| 837 | MagickExport Image *ConvolveImage(const Image *image,const unsigned long order, |
| 838 | const double *kernel,ExceptionInfo *exception) |
| 839 | { |
| 840 | Image |
| 841 | *convolve_image; |
| 842 | |
| 843 | convolve_image=ConvolveImageChannel(image,DefaultChannels,order,kernel, |
| 844 | exception); |
| 845 | return(convolve_image); |
| 846 | } |
| 847 | |
| 848 | MagickExport Image *ConvolveImageChannel(const Image *image, |
| 849 | const ChannelType channel,const unsigned long order,const double *kernel, |
| 850 | ExceptionInfo *exception) |
| 851 | { |
| 852 | #define ConvolveImageTag "Convolve/Image" |
| 853 | |
| 854 | double |
| 855 | *normal_kernel; |
| 856 | |
| 857 | Image |
| 858 | *convolve_image; |
| 859 | |
| 860 | long |
| 861 | progress, |
| 862 | y; |
| 863 | |
| 864 | MagickBooleanType |
| 865 | status; |
| 866 | |
| 867 | MagickPixelPacket |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 868 | bias; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 869 | |
| 870 | MagickRealType |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 871 | gamma; |
| 872 | |
| 873 | register long |
| 874 | i; |
| 875 | |
| 876 | unsigned long |
| 877 | width; |
| 878 | |
| 879 | CacheView |
| 880 | *convolve_view, |
| 881 | *image_view; |
| 882 | |
| 883 | /* |
| 884 | Initialize convolve image attributes. |
| 885 | */ |
| 886 | assert(image != (Image *) NULL); |
| 887 | assert(image->signature == MagickSignature); |
| 888 | if (image->debug != MagickFalse) |
| 889 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 890 | assert(exception != (ExceptionInfo *) NULL); |
| 891 | assert(exception->signature == MagickSignature); |
| 892 | width=order; |
| 893 | if ((width % 2) == 0) |
| 894 | ThrowImageException(OptionError,"KernelWidthMustBeAnOddNumber"); |
| 895 | convolve_image=CloneImage(image,0,0,MagickTrue,exception); |
| 896 | if (convolve_image == (Image *) NULL) |
| 897 | return((Image *) NULL); |
| 898 | if (SetImageStorageClass(convolve_image,DirectClass) == MagickFalse) |
| 899 | { |
| 900 | InheritException(exception,&convolve_image->exception); |
| 901 | convolve_image=DestroyImage(convolve_image); |
| 902 | return((Image *) NULL); |
| 903 | } |
| 904 | if (image->debug != MagickFalse) |
| 905 | { |
| 906 | char |
| 907 | format[MaxTextExtent], |
| 908 | *message; |
| 909 | |
| 910 | long |
| 911 | u, |
| 912 | v; |
| 913 | |
| 914 | register const double |
| 915 | *k; |
| 916 | |
| 917 | (void) LogMagickEvent(TransformEvent,GetMagickModule(), |
| 918 | " ConvolveImage with %ldx%ld kernel:",width,width); |
| 919 | message=AcquireString(""); |
| 920 | k=kernel; |
| 921 | for (v=0; v < (long) width; v++) |
| 922 | { |
| 923 | *message='\0'; |
| 924 | (void) FormatMagickString(format,MaxTextExtent,"%ld: ",v); |
| 925 | (void) ConcatenateString(&message,format); |
| 926 | for (u=0; u < (long) width; u++) |
| 927 | { |
| 928 | (void) FormatMagickString(format,MaxTextExtent,"%+f ",*k++); |
| 929 | (void) ConcatenateString(&message,format); |
| 930 | } |
| 931 | (void) LogMagickEvent(TransformEvent,GetMagickModule(),"%s",message); |
| 932 | } |
| 933 | message=DestroyString(message); |
| 934 | } |
| 935 | /* |
| 936 | Normalize kernel. |
| 937 | */ |
| 938 | normal_kernel=(double *) AcquireQuantumMemory(width*width, |
| 939 | sizeof(*normal_kernel)); |
| 940 | if (normal_kernel == (double *) NULL) |
| 941 | { |
| 942 | convolve_image=DestroyImage(convolve_image); |
| 943 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 944 | } |
| 945 | gamma=0.0; |
| 946 | for (i=0; i < (long) (width*width); i++) |
| 947 | gamma+=kernel[i]; |
| 948 | gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma); |
| 949 | for (i=0; i < (long) (width*width); i++) |
| 950 | normal_kernel[i]=gamma*kernel[i]; |
| 951 | /* |
| 952 | Convolve image. |
| 953 | */ |
| 954 | status=MagickTrue; |
| 955 | progress=0; |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 956 | GetMagickPixelPacket(image,&bias); |
| 957 | SetMagickPixelPacketBias(image,&bias); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 958 | image_view=AcquireCacheView(image); |
| 959 | convolve_view=AcquireCacheView(convolve_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 960 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 961 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 962 | #endif |
| 963 | for (y=0; y < (long) image->rows; y++) |
| 964 | { |
| 965 | MagickBooleanType |
| 966 | sync; |
| 967 | |
| 968 | register const IndexPacket |
| 969 | *__restrict indexes; |
| 970 | |
| 971 | register const PixelPacket |
| 972 | *__restrict p; |
| 973 | |
| 974 | register IndexPacket |
| 975 | *__restrict convolve_indexes; |
| 976 | |
| 977 | register long |
| 978 | x; |
| 979 | |
| 980 | register PixelPacket |
| 981 | *__restrict q; |
| 982 | |
| 983 | if (status == MagickFalse) |
| 984 | continue; |
| 985 | p=GetCacheViewVirtualPixels(image_view,-((long) width/2L),y-(long) (width/ |
| 986 | 2L),image->columns+width,width,exception); |
| 987 | q=GetCacheViewAuthenticPixels(convolve_view,0,y,convolve_image->columns,1, |
| 988 | exception); |
| 989 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 990 | { |
| 991 | status=MagickFalse; |
| 992 | continue; |
| 993 | } |
| 994 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 995 | convolve_indexes=GetCacheViewAuthenticIndexQueue(convolve_view); |
| 996 | for (x=0; x < (long) image->columns; x++) |
| 997 | { |
| 998 | long |
| 999 | v; |
| 1000 | |
| 1001 | MagickPixelPacket |
| 1002 | pixel; |
| 1003 | |
| 1004 | register const double |
| 1005 | *__restrict k; |
| 1006 | |
| 1007 | register const PixelPacket |
| 1008 | *__restrict kernel_pixels; |
| 1009 | |
| 1010 | register long |
| 1011 | u; |
| 1012 | |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1013 | pixel=bias; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1014 | k=normal_kernel; |
| 1015 | kernel_pixels=p; |
| 1016 | if (((channel & OpacityChannel) == 0) || (image->matte == MagickFalse)) |
| 1017 | { |
| 1018 | for (v=0; v < (long) width; v++) |
| 1019 | { |
| 1020 | for (u=0; u < (long) width; u++) |
| 1021 | { |
| 1022 | pixel.red+=(*k)*kernel_pixels[u].red; |
| 1023 | pixel.green+=(*k)*kernel_pixels[u].green; |
| 1024 | pixel.blue+=(*k)*kernel_pixels[u].blue; |
| 1025 | k++; |
| 1026 | } |
| 1027 | kernel_pixels+=image->columns+width; |
| 1028 | } |
| 1029 | if ((channel & RedChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1030 | q->red=RoundToQuantum(pixel.red); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1031 | if ((channel & GreenChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1032 | q->green=RoundToQuantum(pixel.green); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1033 | if ((channel & BlueChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1034 | q->blue=RoundToQuantum(pixel.blue); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1035 | if ((channel & OpacityChannel) != 0) |
| 1036 | { |
| 1037 | k=normal_kernel; |
| 1038 | kernel_pixels=p; |
| 1039 | for (v=0; v < (long) width; v++) |
| 1040 | { |
| 1041 | for (u=0; u < (long) width; u++) |
| 1042 | { |
| 1043 | pixel.opacity+=(*k)*kernel_pixels[u].opacity; |
| 1044 | k++; |
| 1045 | } |
| 1046 | kernel_pixels+=image->columns+width; |
| 1047 | } |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1048 | q->opacity=RoundToQuantum(pixel.opacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1049 | } |
| 1050 | if (((channel & IndexChannel) != 0) && |
| 1051 | (image->colorspace == CMYKColorspace)) |
| 1052 | { |
| 1053 | register const IndexPacket |
| 1054 | *__restrict kernel_indexes; |
| 1055 | |
| 1056 | k=normal_kernel; |
| 1057 | kernel_indexes=indexes; |
| 1058 | for (v=0; v < (long) width; v++) |
| 1059 | { |
| 1060 | for (u=0; u < (long) width; u++) |
| 1061 | { |
| 1062 | pixel.index+=(*k)*kernel_indexes[u]; |
| 1063 | k++; |
| 1064 | } |
| 1065 | kernel_indexes+=image->columns+width; |
| 1066 | } |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1067 | convolve_indexes[x]=RoundToQuantum(pixel.index); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1068 | } |
| 1069 | } |
| 1070 | else |
| 1071 | { |
| 1072 | MagickRealType |
| 1073 | alpha, |
| 1074 | gamma; |
| 1075 | |
| 1076 | gamma=0.0; |
| 1077 | for (v=0; v < (long) width; v++) |
| 1078 | { |
| 1079 | for (u=0; u < (long) width; u++) |
| 1080 | { |
| 1081 | alpha=(MagickRealType) (QuantumScale*(QuantumRange- |
| 1082 | kernel_pixels[u].opacity)); |
| 1083 | pixel.red+=(*k)*alpha*kernel_pixels[u].red; |
| 1084 | pixel.green+=(*k)*alpha*kernel_pixels[u].green; |
| 1085 | pixel.blue+=(*k)*alpha*kernel_pixels[u].blue; |
| 1086 | pixel.opacity+=(*k)*kernel_pixels[u].opacity; |
| 1087 | gamma+=(*k)*alpha; |
| 1088 | k++; |
| 1089 | } |
| 1090 | kernel_pixels+=image->columns+width; |
| 1091 | } |
| 1092 | gamma=1.0/(fabs((double) gamma) <= MagickEpsilon ? 1.0 : gamma); |
| 1093 | if ((channel & RedChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1094 | q->red=RoundToQuantum(gamma*pixel.red); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1095 | if ((channel & GreenChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1096 | q->green=RoundToQuantum(gamma*pixel.green); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1097 | if ((channel & BlueChannel) != 0) |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1098 | q->blue=RoundToQuantum(gamma*pixel.blue); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1099 | if ((channel & OpacityChannel) != 0) |
| 1100 | { |
| 1101 | k=normal_kernel; |
| 1102 | kernel_pixels=p; |
| 1103 | for (v=0; v < (long) width; v++) |
| 1104 | { |
| 1105 | for (u=0; u < (long) width; u++) |
| 1106 | { |
| 1107 | pixel.opacity+=(*k)*kernel_pixels[u].opacity; |
| 1108 | k++; |
| 1109 | } |
| 1110 | kernel_pixels+=image->columns+width; |
| 1111 | } |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1112 | q->opacity=RoundToQuantum(pixel.opacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1113 | } |
| 1114 | if (((channel & IndexChannel) != 0) && |
| 1115 | (image->colorspace == CMYKColorspace)) |
| 1116 | { |
| 1117 | register const IndexPacket |
| 1118 | *__restrict kernel_indexes; |
| 1119 | |
| 1120 | k=normal_kernel; |
| 1121 | kernel_pixels=p; |
| 1122 | kernel_indexes=indexes; |
| 1123 | for (v=0; v < (long) width; v++) |
| 1124 | { |
| 1125 | for (u=0; u < (long) width; u++) |
| 1126 | { |
| 1127 | alpha=(MagickRealType) (QuantumScale*(QuantumRange- |
| 1128 | kernel_pixels[u].opacity)); |
| 1129 | pixel.index+=(*k)*alpha*kernel_indexes[u]; |
| 1130 | k++; |
| 1131 | } |
| 1132 | kernel_pixels+=image->columns+width; |
| 1133 | kernel_indexes+=image->columns+width; |
| 1134 | } |
cristy | ddd8220 | 2009-11-03 20:14:50 +0000 | [diff] [blame] | 1135 | convolve_indexes[x]=RoundToQuantum(gamma*pixel.index); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1136 | } |
| 1137 | } |
| 1138 | p++; |
| 1139 | q++; |
| 1140 | } |
| 1141 | sync=SyncCacheViewAuthenticPixels(convolve_view,exception); |
| 1142 | if (sync == MagickFalse) |
| 1143 | status=MagickFalse; |
| 1144 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1145 | { |
| 1146 | MagickBooleanType |
| 1147 | proceed; |
| 1148 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 1149 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1150 | #pragma omp critical (MagickCore_ConvolveImageChannel) |
| 1151 | #endif |
| 1152 | proceed=SetImageProgress(image,ConvolveImageTag,progress++,image->rows); |
| 1153 | if (proceed == MagickFalse) |
| 1154 | status=MagickFalse; |
| 1155 | } |
| 1156 | } |
| 1157 | convolve_image->type=image->type; |
| 1158 | convolve_view=DestroyCacheView(convolve_view); |
| 1159 | image_view=DestroyCacheView(image_view); |
| 1160 | normal_kernel=(double *) RelinquishMagickMemory(normal_kernel); |
| 1161 | if (status == MagickFalse) |
| 1162 | convolve_image=DestroyImage(convolve_image); |
| 1163 | return(convolve_image); |
| 1164 | } |
| 1165 | |
| 1166 | /* |
| 1167 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1168 | % % |
| 1169 | % % |
| 1170 | % % |
| 1171 | + D e s t r o y F x I n f o % |
| 1172 | % % |
| 1173 | % % |
| 1174 | % % |
| 1175 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1176 | % |
| 1177 | % DestroyFxInfo() deallocates memory associated with an FxInfo structure. |
| 1178 | % |
| 1179 | % The format of the DestroyFxInfo method is: |
| 1180 | % |
| 1181 | % ImageInfo *DestroyFxInfo(ImageInfo *fx_info) |
| 1182 | % |
| 1183 | % A description of each parameter follows: |
| 1184 | % |
| 1185 | % o fx_info: the fx info. |
| 1186 | % |
| 1187 | */ |
| 1188 | MagickExport FxInfo *DestroyFxInfo(FxInfo *fx_info) |
| 1189 | { |
| 1190 | register long |
| 1191 | i; |
| 1192 | |
| 1193 | fx_info->exception=DestroyExceptionInfo(fx_info->exception); |
| 1194 | fx_info->expression=DestroyString(fx_info->expression); |
| 1195 | fx_info->symbols=DestroySplayTree(fx_info->symbols); |
| 1196 | fx_info->colors=DestroySplayTree(fx_info->colors); |
| 1197 | for (i=0; i < (long) GetImageListLength(fx_info->images); i++) |
| 1198 | fx_info->resample_filter[i]=DestroyResampleFilter( |
| 1199 | fx_info->resample_filter[i]); |
| 1200 | fx_info->resample_filter=(ResampleFilter **) RelinquishMagickMemory( |
| 1201 | fx_info->resample_filter); |
| 1202 | fx_info->random_info=DestroyRandomInfo(fx_info->random_info); |
| 1203 | fx_info=(FxInfo *) RelinquishMagickMemory(fx_info); |
| 1204 | return(fx_info); |
| 1205 | } |
| 1206 | |
| 1207 | /* |
| 1208 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1209 | % % |
| 1210 | % % |
| 1211 | % % |
| 1212 | % E v a l u a t e I m a g e % |
| 1213 | % % |
| 1214 | % % |
| 1215 | % % |
| 1216 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1217 | % |
| 1218 | % EvaluateImage() applies a value to the image with an arithmetic, relational, |
| 1219 | % or logical operator to an image. Use these operations to lighten or darken |
| 1220 | % an image, to increase or decrease contrast in an image, or to produce the |
| 1221 | % "negative" of an image. |
| 1222 | % |
| 1223 | % The format of the EvaluateImageChannel method is: |
| 1224 | % |
| 1225 | % MagickBooleanType EvaluateImage(Image *image, |
| 1226 | % const MagickEvaluateOperator op,const double value, |
| 1227 | % ExceptionInfo *exception) |
| 1228 | % MagickBooleanType EvaluateImageChannel(Image *image, |
| 1229 | % const ChannelType channel,const MagickEvaluateOperator op, |
| 1230 | % const double value,ExceptionInfo *exception) |
| 1231 | % |
| 1232 | % A description of each parameter follows: |
| 1233 | % |
| 1234 | % o image: the image. |
| 1235 | % |
| 1236 | % o channel: the channel. |
| 1237 | % |
| 1238 | % o op: A channel op. |
| 1239 | % |
| 1240 | % o value: A value value. |
| 1241 | % |
| 1242 | % o exception: return any errors or warnings in this structure. |
| 1243 | % |
| 1244 | */ |
| 1245 | |
| 1246 | static inline double MagickMax(const double x,const double y) |
| 1247 | { |
| 1248 | if (x > y) |
| 1249 | return(x); |
| 1250 | return(y); |
| 1251 | } |
| 1252 | |
| 1253 | static inline double MagickMin(const double x,const double y) |
| 1254 | { |
| 1255 | if (x < y) |
| 1256 | return(x); |
| 1257 | return(y); |
| 1258 | } |
| 1259 | |
| 1260 | static Quantum ApplyEvaluateOperator(RandomInfo *random_info,Quantum pixel, |
| 1261 | const MagickEvaluateOperator op,const MagickRealType value) |
| 1262 | { |
| 1263 | MagickRealType |
| 1264 | result; |
| 1265 | |
| 1266 | result=0.0; |
| 1267 | switch (op) |
| 1268 | { |
| 1269 | case UndefinedEvaluateOperator: |
| 1270 | break; |
| 1271 | case AddEvaluateOperator: |
| 1272 | { |
| 1273 | result=(MagickRealType) (pixel+value); |
| 1274 | break; |
| 1275 | } |
| 1276 | case AddModulusEvaluateOperator: |
| 1277 | { |
| 1278 | /* This will return a 'floored modulus' of the addition which will |
| 1279 | * always return a positive result, regardless of if the result is |
| 1280 | * positive or negative, and thus in the 0 to QuantumRange range. |
| 1281 | * |
| 1282 | * WARNING: this is NOT the same as a % or fmod() which returns a |
| 1283 | * 'truncated modulus' result, where floor() is replaced by trunc() |
| 1284 | * and could return a negative result, which will be clipped. |
| 1285 | */ |
| 1286 | result = pixel+value; |
| 1287 | result -= (QuantumRange+1)*floor(result/(QuantumRange+1)); |
| 1288 | break; |
| 1289 | } |
| 1290 | case AndEvaluateOperator: |
| 1291 | { |
| 1292 | result=(MagickRealType) ((unsigned long) pixel & (unsigned long) |
| 1293 | (value+0.5)); |
| 1294 | break; |
| 1295 | } |
| 1296 | case CosineEvaluateOperator: |
| 1297 | { |
| 1298 | result=(MagickRealType) (QuantumRange*(0.5*cos((double) (2.0*MagickPI* |
| 1299 | QuantumScale*pixel*value))+0.5)); |
| 1300 | break; |
| 1301 | } |
| 1302 | case DivideEvaluateOperator: |
| 1303 | { |
| 1304 | result=pixel/(value == 0.0 ? 1.0 : value); |
| 1305 | break; |
| 1306 | } |
| 1307 | case GaussianNoiseEvaluateOperator: |
| 1308 | { |
| 1309 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1310 | GaussianNoise,value); |
| 1311 | break; |
| 1312 | } |
| 1313 | case ImpulseNoiseEvaluateOperator: |
| 1314 | { |
| 1315 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1316 | ImpulseNoise,value); |
| 1317 | break; |
| 1318 | } |
| 1319 | case LaplacianNoiseEvaluateOperator: |
| 1320 | { |
| 1321 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1322 | LaplacianNoise,value); |
| 1323 | break; |
| 1324 | } |
| 1325 | case LeftShiftEvaluateOperator: |
| 1326 | { |
| 1327 | result=(MagickRealType) ((unsigned long) pixel << (unsigned long) |
| 1328 | (value+0.5)); |
| 1329 | break; |
| 1330 | } |
| 1331 | case LogEvaluateOperator: |
| 1332 | { |
| 1333 | result=(MagickRealType) (QuantumRange*log((double) (QuantumScale*value* |
| 1334 | pixel+1.0))/log((double) (value+1.0))); |
| 1335 | break; |
| 1336 | } |
| 1337 | case MaxEvaluateOperator: |
| 1338 | { |
| 1339 | result=(MagickRealType) MagickMax((double) pixel,value); |
| 1340 | break; |
| 1341 | } |
| 1342 | case MinEvaluateOperator: |
| 1343 | { |
| 1344 | result=(MagickRealType) MagickMin((double) pixel,value); |
| 1345 | break; |
| 1346 | } |
| 1347 | case MultiplicativeNoiseEvaluateOperator: |
| 1348 | { |
| 1349 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1350 | MultiplicativeGaussianNoise,value); |
| 1351 | break; |
| 1352 | } |
| 1353 | case MultiplyEvaluateOperator: |
| 1354 | { |
| 1355 | result=(MagickRealType) (value*pixel); |
| 1356 | break; |
| 1357 | } |
| 1358 | case OrEvaluateOperator: |
| 1359 | { |
| 1360 | result=(MagickRealType) ((unsigned long) pixel | (unsigned long) |
| 1361 | (value+0.5)); |
| 1362 | break; |
| 1363 | } |
| 1364 | case PoissonNoiseEvaluateOperator: |
| 1365 | { |
| 1366 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1367 | PoissonNoise,value); |
| 1368 | break; |
| 1369 | } |
| 1370 | case PowEvaluateOperator: |
| 1371 | { |
| 1372 | result=(MagickRealType) (QuantumRange*pow((double) (QuantumScale*pixel), |
| 1373 | (double) value)); |
| 1374 | break; |
| 1375 | } |
| 1376 | case RightShiftEvaluateOperator: |
| 1377 | { |
| 1378 | result=(MagickRealType) ((unsigned long) pixel >> (unsigned long) |
| 1379 | (value+0.5)); |
| 1380 | break; |
| 1381 | } |
| 1382 | case SetEvaluateOperator: |
| 1383 | { |
| 1384 | result=value; |
| 1385 | break; |
| 1386 | } |
| 1387 | case SineEvaluateOperator: |
| 1388 | { |
| 1389 | result=(MagickRealType) (QuantumRange*(0.5*sin((double) (2.0*MagickPI* |
| 1390 | QuantumScale*pixel*value))+0.5)); |
| 1391 | break; |
| 1392 | } |
| 1393 | case SubtractEvaluateOperator: |
| 1394 | { |
| 1395 | result=(MagickRealType) (pixel-value); |
| 1396 | break; |
| 1397 | } |
| 1398 | case ThresholdEvaluateOperator: |
| 1399 | { |
| 1400 | result=(MagickRealType) (((MagickRealType) pixel <= value) ? 0 : |
| 1401 | QuantumRange); |
| 1402 | break; |
| 1403 | } |
| 1404 | case ThresholdBlackEvaluateOperator: |
| 1405 | { |
| 1406 | result=(MagickRealType) (((MagickRealType) pixel <= value) ? 0 : pixel); |
| 1407 | break; |
| 1408 | } |
| 1409 | case ThresholdWhiteEvaluateOperator: |
| 1410 | { |
| 1411 | result=(MagickRealType) (((MagickRealType) pixel > value) ? QuantumRange : |
| 1412 | pixel); |
| 1413 | break; |
| 1414 | } |
| 1415 | case UniformNoiseEvaluateOperator: |
| 1416 | { |
| 1417 | result=(MagickRealType) GenerateDifferentialNoise(random_info,pixel, |
| 1418 | UniformNoise,value); |
| 1419 | break; |
| 1420 | } |
| 1421 | case XorEvaluateOperator: |
| 1422 | { |
| 1423 | result=(MagickRealType) ((unsigned long) pixel ^ (unsigned long) |
| 1424 | (value+0.5)); |
| 1425 | break; |
| 1426 | } |
| 1427 | } |
| 1428 | return(RoundToQuantum(result)); |
| 1429 | } |
| 1430 | |
| 1431 | MagickExport MagickBooleanType EvaluateImage(Image *image, |
| 1432 | const MagickEvaluateOperator op,const double value,ExceptionInfo *exception) |
| 1433 | { |
| 1434 | MagickBooleanType |
| 1435 | status; |
| 1436 | |
| 1437 | status=EvaluateImageChannel(image,AllChannels,op,value,exception); |
| 1438 | return(status); |
| 1439 | } |
| 1440 | |
| 1441 | MagickExport MagickBooleanType EvaluateImageChannel(Image *image, |
| 1442 | const ChannelType channel,const MagickEvaluateOperator op,const double value, |
| 1443 | ExceptionInfo *exception) |
| 1444 | { |
| 1445 | #define EvaluateImageTag "Evaluate/Image " |
| 1446 | |
| 1447 | long |
| 1448 | progress, |
| 1449 | y; |
| 1450 | |
| 1451 | MagickBooleanType |
| 1452 | status; |
| 1453 | |
| 1454 | RandomInfo |
| 1455 | **random_info; |
| 1456 | |
| 1457 | CacheView |
| 1458 | *image_view; |
| 1459 | |
| 1460 | assert(image != (Image *) NULL); |
| 1461 | assert(image->signature == MagickSignature); |
| 1462 | if (image->debug != MagickFalse) |
| 1463 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1464 | assert(exception != (ExceptionInfo *) NULL); |
| 1465 | assert(exception->signature == MagickSignature); |
| 1466 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 1467 | { |
| 1468 | InheritException(exception,&image->exception); |
| 1469 | return(MagickFalse); |
| 1470 | } |
| 1471 | status=MagickTrue; |
| 1472 | progress=0; |
| 1473 | random_info=AcquireRandomInfoThreadSet(); |
| 1474 | image_view=AcquireCacheView(image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 1475 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1476 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1477 | #endif |
| 1478 | for (y=0; y < (long) image->rows; y++) |
| 1479 | { |
| 1480 | register IndexPacket |
| 1481 | *__restrict indexes; |
| 1482 | |
| 1483 | register long |
| 1484 | id, |
| 1485 | x; |
| 1486 | |
| 1487 | register PixelPacket |
| 1488 | *__restrict q; |
| 1489 | |
| 1490 | if (status == MagickFalse) |
| 1491 | continue; |
| 1492 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 1493 | if (q == (PixelPacket *) NULL) |
| 1494 | { |
| 1495 | status=MagickFalse; |
| 1496 | continue; |
| 1497 | } |
| 1498 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 1499 | id=GetOpenMPThreadId(); |
| 1500 | for (x=0; x < (long) image->columns; x++) |
| 1501 | { |
| 1502 | if ((channel & RedChannel) != 0) |
| 1503 | q->red=ApplyEvaluateOperator(random_info[id],q->red,op,value); |
| 1504 | if ((channel & GreenChannel) != 0) |
| 1505 | q->green=ApplyEvaluateOperator(random_info[id],q->green,op,value); |
| 1506 | if ((channel & BlueChannel) != 0) |
| 1507 | q->blue=ApplyEvaluateOperator(random_info[id],q->blue,op,value); |
| 1508 | if ((channel & OpacityChannel) != 0) |
| 1509 | { |
| 1510 | if (image->matte == MagickFalse) |
| 1511 | q->opacity=ApplyEvaluateOperator(random_info[id],q->opacity,op, |
| 1512 | value); |
| 1513 | else |
| 1514 | q->opacity=(Quantum) QuantumRange-ApplyEvaluateOperator( |
| 1515 | random_info[id],(Quantum) (QuantumRange-q->opacity),op,value); |
| 1516 | } |
| 1517 | if (((channel & IndexChannel) != 0) && (indexes != (IndexPacket *) NULL)) |
| 1518 | indexes[x]=(IndexPacket) ApplyEvaluateOperator(random_info[id], |
| 1519 | indexes[x],op,value); |
| 1520 | q++; |
| 1521 | } |
| 1522 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 1523 | status=MagickFalse; |
| 1524 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1525 | { |
| 1526 | MagickBooleanType |
| 1527 | proceed; |
| 1528 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 1529 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1530 | #pragma omp critical (MagickCore_EvaluateImageChannel) |
| 1531 | #endif |
| 1532 | proceed=SetImageProgress(image,EvaluateImageTag,progress++,image->rows); |
| 1533 | if (proceed == MagickFalse) |
| 1534 | status=MagickFalse; |
| 1535 | } |
| 1536 | } |
| 1537 | image_view=DestroyCacheView(image_view); |
| 1538 | random_info=DestroyRandomInfoThreadSet(random_info); |
| 1539 | return(status); |
| 1540 | } |
| 1541 | |
| 1542 | /* |
| 1543 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1544 | % % |
| 1545 | % % |
| 1546 | % % |
| 1547 | % F u n c t i o n I m a g e % |
| 1548 | % % |
| 1549 | % % |
| 1550 | % % |
| 1551 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1552 | % |
| 1553 | % FunctionImage() applies a value to the image with an arithmetic, relational, |
| 1554 | % or logical operator to an image. Use these operations to lighten or darken |
| 1555 | % an image, to increase or decrease contrast in an image, or to produce the |
| 1556 | % "negative" of an image. |
| 1557 | % |
| 1558 | % The format of the FunctionImageChannel method is: |
| 1559 | % |
| 1560 | % MagickBooleanType FunctionImage(Image *image, |
| 1561 | % const MagickFunction function,const long number_parameters, |
| 1562 | % const double *parameters,ExceptionInfo *exception) |
| 1563 | % MagickBooleanType FunctionImageChannel(Image *image, |
| 1564 | % const ChannelType channel,const MagickFunction function, |
| 1565 | % const long number_parameters,const double *argument, |
| 1566 | % ExceptionInfo *exception) |
| 1567 | % |
| 1568 | % A description of each parameter follows: |
| 1569 | % |
| 1570 | % o image: the image. |
| 1571 | % |
| 1572 | % o channel: the channel. |
| 1573 | % |
| 1574 | % o function: A channel function. |
| 1575 | % |
| 1576 | % o parameters: one or more parameters. |
| 1577 | % |
| 1578 | % o exception: return any errors or warnings in this structure. |
| 1579 | % |
| 1580 | */ |
| 1581 | |
| 1582 | static Quantum ApplyFunction(Quantum pixel,const MagickFunction function, |
cristy | 67d99e6 | 2009-09-12 15:38:30 +0000 | [diff] [blame] | 1583 | const unsigned long number_parameters,const double *parameters, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1584 | ExceptionInfo *exception) |
| 1585 | { |
| 1586 | MagickRealType |
| 1587 | result; |
| 1588 | |
| 1589 | register long |
| 1590 | i; |
| 1591 | |
| 1592 | (void) exception; |
| 1593 | result=0.0; |
| 1594 | switch (function) |
| 1595 | { |
| 1596 | case PolynomialFunction: |
| 1597 | { |
| 1598 | /* |
| 1599 | * Polynomial |
| 1600 | * Parameters: polynomial constants, highest to lowest order |
| 1601 | * For example: c0*x^3 + c1*x^2 + c2*x + c3 |
| 1602 | */ |
| 1603 | result=0.0; |
| 1604 | for (i=0; i < (long) number_parameters; i++) |
| 1605 | result = result*QuantumScale*pixel + parameters[i]; |
| 1606 | result *= QuantumRange; |
| 1607 | break; |
| 1608 | } |
| 1609 | case SinusoidFunction: |
| 1610 | { |
| 1611 | /* Sinusoid Function |
| 1612 | * Parameters: Freq, Phase, Ampl, bias |
| 1613 | */ |
| 1614 | double freq,phase,ampl,bias; |
| 1615 | freq = ( number_parameters >= 1 ) ? parameters[0] : 1.0; |
| 1616 | phase = ( number_parameters >= 2 ) ? parameters[1] : 0.0; |
| 1617 | ampl = ( number_parameters >= 3 ) ? parameters[2] : 0.5; |
| 1618 | bias = ( number_parameters >= 4 ) ? parameters[3] : 0.5; |
| 1619 | result=(MagickRealType) (QuantumRange*(ampl*sin((double) (2.0*MagickPI* |
| 1620 | (freq*QuantumScale*pixel + phase/360.0) )) + bias ) ); |
| 1621 | break; |
| 1622 | } |
| 1623 | case ArcsinFunction: |
| 1624 | { |
| 1625 | /* Arcsin Function (peged at range limits for invalid results) |
| 1626 | * Parameters: Width, Center, Range, Bias |
| 1627 | */ |
| 1628 | double width,range,center,bias; |
| 1629 | width = ( number_parameters >= 1 ) ? parameters[0] : 1.0; |
| 1630 | center = ( number_parameters >= 2 ) ? parameters[1] : 0.5; |
| 1631 | range = ( number_parameters >= 3 ) ? parameters[2] : 1.0; |
| 1632 | bias = ( number_parameters >= 4 ) ? parameters[3] : 0.5; |
| 1633 | result = 2.0/width*(QuantumScale*pixel - center); |
| 1634 | if ( result <= -1.0 ) |
| 1635 | result = bias - range/2.0; |
| 1636 | else if ( result >= 1.0 ) |
| 1637 | result = bias + range/2.0; |
| 1638 | else |
| 1639 | result=range/MagickPI*asin((double)result) + bias; |
| 1640 | result *= QuantumRange; |
| 1641 | break; |
| 1642 | } |
| 1643 | case ArctanFunction: |
| 1644 | { |
| 1645 | /* Arctan Function |
| 1646 | * Parameters: Slope, Center, Range, Bias |
| 1647 | */ |
| 1648 | double slope,range,center,bias; |
| 1649 | slope = ( number_parameters >= 1 ) ? parameters[0] : 1.0; |
| 1650 | center = ( number_parameters >= 2 ) ? parameters[1] : 0.5; |
| 1651 | range = ( number_parameters >= 3 ) ? parameters[2] : 1.0; |
| 1652 | bias = ( number_parameters >= 4 ) ? parameters[3] : 0.5; |
| 1653 | result = MagickPI*slope*(QuantumScale*pixel - center); |
| 1654 | result=(MagickRealType) (QuantumRange*(range/MagickPI*atan((double) |
| 1655 | result) + bias ) ); |
| 1656 | break; |
| 1657 | } |
| 1658 | case UndefinedFunction: |
| 1659 | break; |
| 1660 | } |
| 1661 | return(RoundToQuantum(result)); |
| 1662 | } |
| 1663 | |
| 1664 | MagickExport MagickBooleanType FunctionImage(Image *image, |
| 1665 | const MagickFunction function,const unsigned long number_parameters, |
| 1666 | const double *parameters,ExceptionInfo *exception) |
| 1667 | { |
| 1668 | MagickBooleanType |
| 1669 | status; |
| 1670 | |
| 1671 | status=FunctionImageChannel(image,AllChannels,function,number_parameters, |
| 1672 | parameters,exception); |
| 1673 | return(status); |
| 1674 | } |
| 1675 | |
| 1676 | MagickExport MagickBooleanType FunctionImageChannel(Image *image, |
| 1677 | const ChannelType channel,const MagickFunction function, |
| 1678 | const unsigned long number_parameters,const double *parameters, |
| 1679 | ExceptionInfo *exception) |
| 1680 | { |
| 1681 | #define FunctionImageTag "Function/Image " |
| 1682 | |
| 1683 | long |
| 1684 | progress, |
| 1685 | y; |
| 1686 | |
| 1687 | MagickBooleanType |
| 1688 | status; |
| 1689 | |
| 1690 | CacheView |
| 1691 | *image_view; |
| 1692 | |
| 1693 | assert(image != (Image *) NULL); |
| 1694 | assert(image->signature == MagickSignature); |
| 1695 | if (image->debug != MagickFalse) |
| 1696 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1697 | assert(exception != (ExceptionInfo *) NULL); |
| 1698 | assert(exception->signature == MagickSignature); |
| 1699 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 1700 | { |
| 1701 | InheritException(exception,&image->exception); |
| 1702 | return(MagickFalse); |
| 1703 | } |
| 1704 | status=MagickTrue; |
| 1705 | progress=0; |
| 1706 | image_view=AcquireCacheView(image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 1707 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1708 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1709 | #endif |
| 1710 | for (y=0; y < (long) image->rows; y++) |
| 1711 | { |
| 1712 | register IndexPacket |
| 1713 | *__restrict indexes; |
| 1714 | |
| 1715 | register long |
| 1716 | x; |
| 1717 | |
| 1718 | register PixelPacket |
| 1719 | *__restrict q; |
| 1720 | |
| 1721 | if (status == MagickFalse) |
| 1722 | continue; |
| 1723 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); |
| 1724 | if (q == (PixelPacket *) NULL) |
| 1725 | { |
| 1726 | status=MagickFalse; |
| 1727 | continue; |
| 1728 | } |
| 1729 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 1730 | for (x=0; x < (long) image->columns; x++) |
| 1731 | { |
| 1732 | if ((channel & RedChannel) != 0) |
| 1733 | q->red=ApplyFunction(q->red,function,number_parameters,parameters, |
| 1734 | exception); |
| 1735 | if ((channel & GreenChannel) != 0) |
| 1736 | q->green=ApplyFunction(q->green,function,number_parameters,parameters, |
| 1737 | exception); |
| 1738 | if ((channel & BlueChannel) != 0) |
| 1739 | q->blue=ApplyFunction(q->blue,function,number_parameters,parameters, |
| 1740 | exception); |
| 1741 | if ((channel & OpacityChannel) != 0) |
| 1742 | { |
| 1743 | if (image->matte == MagickFalse) |
| 1744 | q->opacity=ApplyFunction(q->opacity,function,number_parameters, |
| 1745 | parameters,exception); |
| 1746 | else |
| 1747 | q->opacity=(Quantum) QuantumRange-ApplyFunction((Quantum) ( |
| 1748 | QuantumRange-q->opacity),function,number_parameters,parameters, |
| 1749 | exception); |
| 1750 | } |
| 1751 | if (((channel & IndexChannel) != 0) && (indexes != (IndexPacket *) NULL)) |
| 1752 | indexes[x]=(IndexPacket) ApplyFunction(indexes[x],function, |
| 1753 | number_parameters,parameters,exception); |
| 1754 | q++; |
| 1755 | } |
| 1756 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 1757 | status=MagickFalse; |
| 1758 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1759 | { |
| 1760 | MagickBooleanType |
| 1761 | proceed; |
| 1762 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 1763 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1764 | #pragma omp critical (MagickCore_FunctionImageChannel) |
| 1765 | #endif |
| 1766 | proceed=SetImageProgress(image,FunctionImageTag,progress++,image->rows); |
| 1767 | if (proceed == MagickFalse) |
| 1768 | status=MagickFalse; |
| 1769 | } |
| 1770 | } |
| 1771 | image_view=DestroyCacheView(image_view); |
| 1772 | return(status); |
| 1773 | } |
| 1774 | |
| 1775 | /* |
| 1776 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1777 | % % |
| 1778 | % % |
| 1779 | % % |
| 1780 | + F x E v a l u a t e C h a n n e l E x p r e s s i o n % |
| 1781 | % % |
| 1782 | % % |
| 1783 | % % |
| 1784 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1785 | % |
| 1786 | % FxEvaluateChannelExpression() evaluates an expression and returns the |
| 1787 | % results. |
| 1788 | % |
| 1789 | % The format of the FxEvaluateExpression method is: |
| 1790 | % |
| 1791 | % MagickRealType FxEvaluateChannelExpression(FxInfo *fx_info, |
| 1792 | % const ChannelType channel,const long x,const long y, |
| 1793 | % MagickRealType *alpha,Exceptioninfo *exception) |
| 1794 | % MagickRealType FxEvaluateExpression(FxInfo *fx_info, |
| 1795 | % MagickRealType *alpha,Exceptioninfo *exception) |
| 1796 | % |
| 1797 | % A description of each parameter follows: |
| 1798 | % |
| 1799 | % o fx_info: the fx info. |
| 1800 | % |
| 1801 | % o channel: the channel. |
| 1802 | % |
| 1803 | % o x,y: the pixel position. |
| 1804 | % |
| 1805 | % o alpha: the result. |
| 1806 | % |
| 1807 | % o exception: return any errors or warnings in this structure. |
| 1808 | % |
| 1809 | */ |
| 1810 | |
| 1811 | static MagickRealType FxChannelStatistics(FxInfo *fx_info,const Image *image, |
| 1812 | ChannelType channel,const char *symbol,ExceptionInfo *exception) |
| 1813 | { |
| 1814 | char |
| 1815 | key[MaxTextExtent], |
| 1816 | statistic[MaxTextExtent]; |
| 1817 | |
| 1818 | const char |
| 1819 | *value; |
| 1820 | |
| 1821 | register const char |
| 1822 | *p; |
| 1823 | |
| 1824 | for (p=symbol; (*p != '.') && (*p != '\0'); p++) ; |
| 1825 | if (*p == '.') |
| 1826 | switch (*++p) /* e.g. depth.r */ |
| 1827 | { |
| 1828 | case 'r': channel=RedChannel; break; |
| 1829 | case 'g': channel=GreenChannel; break; |
| 1830 | case 'b': channel=BlueChannel; break; |
| 1831 | case 'c': channel=CyanChannel; break; |
| 1832 | case 'm': channel=MagentaChannel; break; |
| 1833 | case 'y': channel=YellowChannel; break; |
| 1834 | case 'k': channel=BlackChannel; break; |
| 1835 | default: break; |
| 1836 | } |
| 1837 | (void) FormatMagickString(key,MaxTextExtent,"%p.%ld.%s",image,(long) channel, |
| 1838 | symbol); |
| 1839 | value=(const char *) GetValueFromSplayTree(fx_info->symbols,key); |
| 1840 | if (value != (const char *) NULL) |
| 1841 | return(QuantumScale*atof(value)); |
| 1842 | (void) DeleteNodeFromSplayTree(fx_info->symbols,key); |
| 1843 | if (LocaleNCompare(symbol,"depth",5) == 0) |
| 1844 | { |
| 1845 | unsigned long |
| 1846 | depth; |
| 1847 | |
| 1848 | depth=GetImageChannelDepth(image,channel,exception); |
| 1849 | (void) FormatMagickString(statistic,MaxTextExtent,"%lu",depth); |
| 1850 | } |
| 1851 | if (LocaleNCompare(symbol,"kurtosis",8) == 0) |
| 1852 | { |
| 1853 | double |
| 1854 | kurtosis, |
| 1855 | skewness; |
| 1856 | |
| 1857 | (void) GetImageChannelKurtosis(image,channel,&kurtosis,&skewness, |
| 1858 | exception); |
| 1859 | (void) FormatMagickString(statistic,MaxTextExtent,"%g",kurtosis); |
| 1860 | } |
| 1861 | if (LocaleNCompare(symbol,"maxima",6) == 0) |
| 1862 | { |
| 1863 | double |
| 1864 | maxima, |
| 1865 | minima; |
| 1866 | |
| 1867 | (void) GetImageChannelRange(image,channel,&minima,&maxima,exception); |
| 1868 | (void) FormatMagickString(statistic,MaxTextExtent,"%g",maxima); |
| 1869 | } |
| 1870 | if (LocaleNCompare(symbol,"mean",4) == 0) |
| 1871 | { |
| 1872 | double |
| 1873 | mean, |
| 1874 | standard_deviation; |
| 1875 | |
| 1876 | (void) GetImageChannelMean(image,channel,&mean,&standard_deviation, |
| 1877 | exception); |
| 1878 | (void) FormatMagickString(statistic,MaxTextExtent,"%g",mean); |
| 1879 | } |
| 1880 | if (LocaleNCompare(symbol,"minima",6) == 0) |
| 1881 | { |
| 1882 | double |
| 1883 | maxima, |
| 1884 | minima; |
| 1885 | |
| 1886 | (void) GetImageChannelRange(image,channel,&minima,&maxima,exception); |
| 1887 | (void) FormatMagickString(statistic,MaxTextExtent,"%g",minima); |
| 1888 | } |
| 1889 | if (LocaleNCompare(symbol,"skewness",8) == 0) |
| 1890 | { |
| 1891 | double |
| 1892 | kurtosis, |
| 1893 | skewness; |
| 1894 | |
| 1895 | (void) GetImageChannelKurtosis(image,channel,&kurtosis,&skewness, |
| 1896 | exception); |
| 1897 | (void) FormatMagickString(statistic,MaxTextExtent,"%g",skewness); |
| 1898 | } |
| 1899 | if (LocaleNCompare(symbol,"standard_deviation",18) == 0) |
| 1900 | { |
| 1901 | double |
| 1902 | mean, |
| 1903 | standard_deviation; |
| 1904 | |
| 1905 | (void) GetImageChannelMean(image,channel,&mean,&standard_deviation, |
| 1906 | exception); |
| 1907 | (void) FormatMagickString(statistic,MaxTextExtent,"%g", |
| 1908 | standard_deviation); |
| 1909 | } |
| 1910 | (void) AddValueToSplayTree(fx_info->symbols,ConstantString(key), |
| 1911 | ConstantString(statistic)); |
| 1912 | return(QuantumScale*atof(statistic)); |
| 1913 | } |
| 1914 | |
| 1915 | static MagickRealType |
| 1916 | FxEvaluateSubexpression(FxInfo *,const ChannelType,const long,const long, |
| 1917 | const char *,MagickRealType *,ExceptionInfo *); |
| 1918 | |
| 1919 | static inline MagickRealType FxMax(FxInfo *fx_info,const ChannelType channel, |
| 1920 | const long x,const long y,const char *expression,ExceptionInfo *exception) |
| 1921 | { |
| 1922 | MagickRealType |
| 1923 | alpha, |
| 1924 | beta; |
| 1925 | |
| 1926 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression,&beta,exception); |
| 1927 | return((MagickRealType) MagickMax((double) alpha,(double) beta)); |
| 1928 | } |
| 1929 | |
| 1930 | static inline MagickRealType FxMin(FxInfo *fx_info,ChannelType channel, |
| 1931 | const long x,const long y,const char *expression,ExceptionInfo *exception) |
| 1932 | { |
| 1933 | MagickRealType |
| 1934 | alpha, |
| 1935 | beta; |
| 1936 | |
| 1937 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression,&beta,exception); |
| 1938 | return((MagickRealType) MagickMin((double) alpha,(double) beta)); |
| 1939 | } |
| 1940 | |
| 1941 | static inline const char *FxSubexpression(const char *expression, |
| 1942 | ExceptionInfo *exception) |
| 1943 | { |
| 1944 | const char |
| 1945 | *subexpression; |
| 1946 | |
| 1947 | register long |
| 1948 | level; |
| 1949 | |
| 1950 | level=0; |
| 1951 | subexpression=expression; |
| 1952 | while ((*subexpression != '\0') && |
| 1953 | ((level != 1) || (strchr(")",(int) *subexpression) == (char *) NULL))) |
| 1954 | { |
| 1955 | if (strchr("(",(int) *subexpression) != (char *) NULL) |
| 1956 | level++; |
| 1957 | else |
| 1958 | if (strchr(")",(int) *subexpression) != (char *) NULL) |
| 1959 | level--; |
| 1960 | subexpression++; |
| 1961 | } |
| 1962 | if (*subexpression == '\0') |
| 1963 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1964 | "UnbalancedParenthesis","`%s'",expression); |
| 1965 | return(subexpression); |
| 1966 | } |
| 1967 | |
| 1968 | static MagickRealType FxGetSymbol(FxInfo *fx_info,const ChannelType channel, |
| 1969 | const long x,const long y,const char *expression,ExceptionInfo *exception) |
| 1970 | { |
| 1971 | char |
| 1972 | *q, |
| 1973 | subexpression[MaxTextExtent], |
| 1974 | symbol[MaxTextExtent]; |
| 1975 | |
| 1976 | const char |
| 1977 | *p, |
| 1978 | *value; |
| 1979 | |
| 1980 | Image |
| 1981 | *image; |
| 1982 | |
| 1983 | MagickPixelPacket |
| 1984 | pixel; |
| 1985 | |
| 1986 | MagickRealType |
| 1987 | alpha, |
| 1988 | beta; |
| 1989 | |
| 1990 | PointInfo |
| 1991 | point; |
| 1992 | |
| 1993 | register long |
| 1994 | i; |
| 1995 | |
| 1996 | size_t |
| 1997 | length; |
| 1998 | |
| 1999 | unsigned long |
| 2000 | level; |
| 2001 | |
| 2002 | p=expression; |
| 2003 | i=GetImageIndexInList(fx_info->images); |
| 2004 | level=0; |
| 2005 | point.x=(double) x; |
| 2006 | point.y=(double) y; |
| 2007 | if (isalpha((int) *(p+1)) == 0) |
| 2008 | { |
| 2009 | if (strchr("suv",(int) *p) != (char *) NULL) |
| 2010 | { |
| 2011 | switch (*p) |
| 2012 | { |
| 2013 | case 's': |
| 2014 | default: |
| 2015 | { |
| 2016 | i=GetImageIndexInList(fx_info->images); |
| 2017 | break; |
| 2018 | } |
| 2019 | case 'u': i=0; break; |
| 2020 | case 'v': i=1; break; |
| 2021 | } |
| 2022 | p++; |
| 2023 | if (*p == '[') |
| 2024 | { |
| 2025 | level++; |
| 2026 | q=subexpression; |
| 2027 | for (p++; *p != '\0'; ) |
| 2028 | { |
| 2029 | if (*p == '[') |
| 2030 | level++; |
| 2031 | else |
| 2032 | if (*p == ']') |
| 2033 | { |
| 2034 | level--; |
| 2035 | if (level == 0) |
| 2036 | break; |
| 2037 | } |
| 2038 | *q++=(*p++); |
| 2039 | } |
| 2040 | *q='\0'; |
| 2041 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 2042 | &beta,exception); |
| 2043 | i=(long) (alpha+0.5); |
| 2044 | p++; |
| 2045 | } |
| 2046 | if (*p == '.') |
| 2047 | p++; |
| 2048 | } |
| 2049 | if ((isalpha((int) *(p+1)) == 0) && (*p == 'p')) |
| 2050 | { |
| 2051 | p++; |
| 2052 | if (*p == '{') |
| 2053 | { |
| 2054 | level++; |
| 2055 | q=subexpression; |
| 2056 | for (p++; *p != '\0'; ) |
| 2057 | { |
| 2058 | if (*p == '{') |
| 2059 | level++; |
| 2060 | else |
| 2061 | if (*p == '}') |
| 2062 | { |
| 2063 | level--; |
| 2064 | if (level == 0) |
| 2065 | break; |
| 2066 | } |
| 2067 | *q++=(*p++); |
| 2068 | } |
| 2069 | *q='\0'; |
| 2070 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 2071 | &beta,exception); |
| 2072 | point.x=alpha; |
| 2073 | point.y=beta; |
| 2074 | p++; |
| 2075 | } |
| 2076 | else |
| 2077 | if (*p == '[') |
| 2078 | { |
| 2079 | level++; |
| 2080 | q=subexpression; |
| 2081 | for (p++; *p != '\0'; ) |
| 2082 | { |
| 2083 | if (*p == '[') |
| 2084 | level++; |
| 2085 | else |
| 2086 | if (*p == ']') |
| 2087 | { |
| 2088 | level--; |
| 2089 | if (level == 0) |
| 2090 | break; |
| 2091 | } |
| 2092 | *q++=(*p++); |
| 2093 | } |
| 2094 | *q='\0'; |
| 2095 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 2096 | &beta,exception); |
| 2097 | point.x+=alpha; |
| 2098 | point.y+=beta; |
| 2099 | p++; |
| 2100 | } |
| 2101 | if (*p == '.') |
| 2102 | p++; |
| 2103 | } |
| 2104 | } |
| 2105 | length=GetImageListLength(fx_info->images); |
| 2106 | while (i < 0) |
| 2107 | i+=(long) length; |
| 2108 | i%=length; |
| 2109 | image=GetImageFromList(fx_info->images,i); |
| 2110 | if (image == (Image *) NULL) |
| 2111 | { |
| 2112 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 2113 | "NoSuchImage","`%s'",expression); |
| 2114 | return(0.0); |
| 2115 | } |
| 2116 | (void) ResamplePixelColor(fx_info->resample_filter[i],point.x,point.y,&pixel); |
| 2117 | if ((strlen(p) > 2) && |
| 2118 | (LocaleCompare(p,"intensity") != 0) && |
| 2119 | (LocaleCompare(p,"luminance") != 0) && |
| 2120 | (LocaleCompare(p,"hue") != 0) && |
| 2121 | (LocaleCompare(p,"saturation") != 0) && |
| 2122 | (LocaleCompare(p,"lightness") != 0)) |
| 2123 | { |
| 2124 | char |
| 2125 | name[MaxTextExtent]; |
| 2126 | |
| 2127 | (void) CopyMagickString(name,p,MaxTextExtent); |
| 2128 | for (q=name+(strlen(name)-1); q > name; q--) |
| 2129 | { |
| 2130 | if (*q == ')') |
| 2131 | break; |
| 2132 | if (*q == '.') |
| 2133 | { |
| 2134 | *q='\0'; |
| 2135 | break; |
| 2136 | } |
| 2137 | } |
| 2138 | if ((strlen(name) > 2) && |
| 2139 | (GetValueFromSplayTree(fx_info->symbols,name) == (const char *) NULL)) |
| 2140 | { |
| 2141 | MagickPixelPacket |
| 2142 | *color; |
| 2143 | |
| 2144 | color=(MagickPixelPacket *) GetValueFromSplayTree(fx_info->colors, |
| 2145 | name); |
| 2146 | if (color != (MagickPixelPacket *) NULL) |
| 2147 | { |
| 2148 | pixel=(*color); |
| 2149 | p+=strlen(name); |
| 2150 | } |
| 2151 | else |
| 2152 | if (QueryMagickColor(name,&pixel,fx_info->exception) != MagickFalse) |
| 2153 | { |
| 2154 | (void) AddValueToSplayTree(fx_info->colors,ConstantString(name), |
| 2155 | CloneMagickPixelPacket(&pixel)); |
| 2156 | p+=strlen(name); |
| 2157 | } |
| 2158 | } |
| 2159 | } |
| 2160 | (void) CopyMagickString(symbol,p,MaxTextExtent); |
| 2161 | StripString(symbol); |
| 2162 | if (*symbol == '\0') |
| 2163 | { |
| 2164 | switch (channel) |
| 2165 | { |
| 2166 | case RedChannel: return(QuantumScale*pixel.red); |
| 2167 | case GreenChannel: return(QuantumScale*pixel.green); |
| 2168 | case BlueChannel: return(QuantumScale*pixel.blue); |
| 2169 | case OpacityChannel: |
| 2170 | { |
| 2171 | if (pixel.matte == MagickFalse) |
| 2172 | { |
| 2173 | fx_info->matte=MagickFalse; |
| 2174 | return(1.0); |
| 2175 | } |
| 2176 | return((MagickRealType) (QuantumScale*(QuantumRange-pixel.opacity))); |
| 2177 | } |
| 2178 | case IndexChannel: |
| 2179 | { |
| 2180 | if (image->colorspace != CMYKColorspace) |
| 2181 | { |
| 2182 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2183 | OptionError,"ColorSeparatedImageRequired","`%s'", |
| 2184 | image->filename); |
| 2185 | return(0.0); |
| 2186 | } |
| 2187 | return(QuantumScale*pixel.index); |
| 2188 | } |
| 2189 | default: |
| 2190 | break; |
| 2191 | } |
| 2192 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 2193 | "UnableToParseExpression","`%s'",p); |
| 2194 | return(0.0); |
| 2195 | } |
| 2196 | switch (*symbol) |
| 2197 | { |
| 2198 | case 'A': |
| 2199 | case 'a': |
| 2200 | { |
| 2201 | if (LocaleCompare(symbol,"a") == 0) |
| 2202 | return((MagickRealType) (QuantumScale*(QuantumRange-pixel.opacity))); |
| 2203 | break; |
| 2204 | } |
| 2205 | case 'B': |
| 2206 | case 'b': |
| 2207 | { |
| 2208 | if (LocaleCompare(symbol,"b") == 0) |
| 2209 | return(QuantumScale*pixel.blue); |
| 2210 | break; |
| 2211 | } |
| 2212 | case 'C': |
| 2213 | case 'c': |
| 2214 | { |
| 2215 | if (LocaleNCompare(symbol,"channel",7) == 0) |
| 2216 | { |
| 2217 | GeometryInfo |
| 2218 | channel_info; |
| 2219 | |
| 2220 | MagickStatusType |
| 2221 | flags; |
| 2222 | |
| 2223 | flags=ParseGeometry(symbol+7,&channel_info); |
| 2224 | if (image->colorspace == CMYKColorspace) |
| 2225 | switch (channel) |
| 2226 | { |
| 2227 | case CyanChannel: |
| 2228 | { |
| 2229 | if ((flags & RhoValue) == 0) |
| 2230 | return(0.0); |
| 2231 | return(channel_info.rho); |
| 2232 | } |
| 2233 | case MagentaChannel: |
| 2234 | { |
| 2235 | if ((flags & SigmaValue) == 0) |
| 2236 | return(0.0); |
| 2237 | return(channel_info.sigma); |
| 2238 | } |
| 2239 | case YellowChannel: |
| 2240 | { |
| 2241 | if ((flags & XiValue) == 0) |
| 2242 | return(0.0); |
| 2243 | return(channel_info.xi); |
| 2244 | } |
| 2245 | case BlackChannel: |
| 2246 | { |
| 2247 | if ((flags & PsiValue) == 0) |
| 2248 | return(0.0); |
| 2249 | return(channel_info.psi); |
| 2250 | } |
| 2251 | case OpacityChannel: |
| 2252 | { |
| 2253 | if ((flags & ChiValue) == 0) |
| 2254 | return(0.0); |
| 2255 | return(channel_info.chi); |
| 2256 | } |
| 2257 | default: |
| 2258 | return(0.0); |
| 2259 | } |
| 2260 | switch (channel) |
| 2261 | { |
| 2262 | case RedChannel: |
| 2263 | { |
| 2264 | if ((flags & RhoValue) == 0) |
| 2265 | return(0.0); |
| 2266 | return(channel_info.rho); |
| 2267 | } |
| 2268 | case GreenChannel: |
| 2269 | { |
| 2270 | if ((flags & SigmaValue) == 0) |
| 2271 | return(0.0); |
| 2272 | return(channel_info.sigma); |
| 2273 | } |
| 2274 | case BlueChannel: |
| 2275 | { |
| 2276 | if ((flags & XiValue) == 0) |
| 2277 | return(0.0); |
| 2278 | return(channel_info.xi); |
| 2279 | } |
| 2280 | case OpacityChannel: |
| 2281 | { |
| 2282 | if ((flags & PsiValue) == 0) |
| 2283 | return(0.0); |
| 2284 | return(channel_info.psi); |
| 2285 | } |
| 2286 | case IndexChannel: |
| 2287 | { |
| 2288 | if ((flags & ChiValue) == 0) |
| 2289 | return(0.0); |
| 2290 | return(channel_info.chi); |
| 2291 | } |
| 2292 | default: |
| 2293 | return(0.0); |
| 2294 | } |
| 2295 | return(0.0); |
| 2296 | } |
| 2297 | if (LocaleCompare(symbol,"c") == 0) |
| 2298 | return(QuantumScale*pixel.red); |
| 2299 | break; |
| 2300 | } |
| 2301 | case 'D': |
| 2302 | case 'd': |
| 2303 | { |
| 2304 | if (LocaleNCompare(symbol,"depth",5) == 0) |
| 2305 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2306 | break; |
| 2307 | } |
| 2308 | case 'G': |
| 2309 | case 'g': |
| 2310 | { |
| 2311 | if (LocaleCompare(symbol,"g") == 0) |
| 2312 | return(QuantumScale*pixel.green); |
| 2313 | break; |
| 2314 | } |
| 2315 | case 'K': |
| 2316 | case 'k': |
| 2317 | { |
| 2318 | if (LocaleNCompare(symbol,"kurtosis",8) == 0) |
| 2319 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2320 | if (LocaleCompare(symbol,"k") == 0) |
| 2321 | { |
| 2322 | if (image->colorspace != CMYKColorspace) |
| 2323 | { |
| 2324 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2325 | OptionError,"ColorSeparatedImageRequired","`%s'", |
| 2326 | image->filename); |
| 2327 | return(0.0); |
| 2328 | } |
| 2329 | return(QuantumScale*pixel.index); |
| 2330 | } |
| 2331 | break; |
| 2332 | } |
| 2333 | case 'H': |
| 2334 | case 'h': |
| 2335 | { |
| 2336 | if (LocaleCompare(symbol,"h") == 0) |
| 2337 | return((MagickRealType) image->rows); |
| 2338 | if (LocaleCompare(symbol,"hue") == 0) |
| 2339 | { |
| 2340 | double |
| 2341 | hue, |
| 2342 | lightness, |
| 2343 | saturation; |
| 2344 | |
| 2345 | ConvertRGBToHSL(RoundToQuantum(pixel.red),RoundToQuantum(pixel.green), |
| 2346 | RoundToQuantum(pixel.blue),&hue,&saturation,&lightness); |
| 2347 | return(hue); |
| 2348 | } |
| 2349 | break; |
| 2350 | } |
| 2351 | case 'I': |
| 2352 | case 'i': |
| 2353 | { |
| 2354 | if ((LocaleCompare(symbol,"image.depth") == 0) || |
| 2355 | (LocaleCompare(symbol,"image.minima") == 0) || |
| 2356 | (LocaleCompare(symbol,"image.maxima") == 0) || |
| 2357 | (LocaleCompare(symbol,"image.mean") == 0) || |
| 2358 | (LocaleCompare(symbol,"image.kurtosis") == 0) || |
| 2359 | (LocaleCompare(symbol,"image.skewness") == 0) || |
| 2360 | (LocaleCompare(symbol,"image.standard_deviation") == 0)) |
| 2361 | return(FxChannelStatistics(fx_info,image,channel,symbol+6,exception)); |
| 2362 | if (LocaleCompare(symbol,"image.resolution.x") == 0) |
| 2363 | return(image->x_resolution); |
| 2364 | if (LocaleCompare(symbol,"image.resolution.y") == 0) |
| 2365 | return(image->y_resolution); |
| 2366 | if (LocaleCompare(symbol,"intensity") == 0) |
| 2367 | return(QuantumScale*MagickPixelIntensityToQuantum(&pixel)); |
| 2368 | if (LocaleCompare(symbol,"i") == 0) |
| 2369 | return((MagickRealType) x); |
| 2370 | break; |
| 2371 | } |
| 2372 | case 'J': |
| 2373 | case 'j': |
| 2374 | { |
| 2375 | if (LocaleCompare(symbol,"j") == 0) |
| 2376 | return((MagickRealType) y); |
| 2377 | break; |
| 2378 | } |
| 2379 | case 'L': |
| 2380 | case 'l': |
| 2381 | { |
| 2382 | if (LocaleCompare(symbol,"lightness") == 0) |
| 2383 | { |
| 2384 | double |
| 2385 | hue, |
| 2386 | lightness, |
| 2387 | saturation; |
| 2388 | |
| 2389 | ConvertRGBToHSL(RoundToQuantum(pixel.red),RoundToQuantum(pixel.green), |
| 2390 | RoundToQuantum(pixel.blue),&hue,&saturation,&lightness); |
| 2391 | return(lightness); |
| 2392 | } |
| 2393 | if (LocaleCompare(symbol,"luminance") == 0) |
| 2394 | { |
| 2395 | double |
| 2396 | luminence; |
| 2397 | |
| 2398 | luminence=0.2126*pixel.red+0.7152*pixel.green+0.0722*pixel.blue; |
| 2399 | return(QuantumScale*luminence); |
| 2400 | } |
| 2401 | break; |
| 2402 | } |
| 2403 | case 'M': |
| 2404 | case 'm': |
| 2405 | { |
| 2406 | if (LocaleNCompare(symbol,"maxima",6) == 0) |
| 2407 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2408 | if (LocaleNCompare(symbol,"mean",4) == 0) |
| 2409 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2410 | if (LocaleNCompare(symbol,"minima",6) == 0) |
| 2411 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2412 | if (LocaleCompare(symbol,"m") == 0) |
| 2413 | return(QuantumScale*pixel.blue); |
| 2414 | break; |
| 2415 | } |
| 2416 | case 'N': |
| 2417 | case 'n': |
| 2418 | { |
| 2419 | if (LocaleCompare(symbol,"n") == 0) |
| 2420 | return((MagickRealType) GetImageListLength(fx_info->images)); |
| 2421 | break; |
| 2422 | } |
| 2423 | case 'O': |
| 2424 | case 'o': |
| 2425 | { |
| 2426 | if (LocaleCompare(symbol,"o") == 0) |
| 2427 | return(QuantumScale*pixel.opacity); |
| 2428 | break; |
| 2429 | } |
| 2430 | case 'P': |
| 2431 | case 'p': |
| 2432 | { |
| 2433 | if (LocaleCompare(symbol,"page.height") == 0) |
| 2434 | return((MagickRealType) image->page.height); |
| 2435 | if (LocaleCompare(symbol,"page.width") == 0) |
| 2436 | return((MagickRealType) image->page.width); |
| 2437 | if (LocaleCompare(symbol,"page.x") == 0) |
| 2438 | return((MagickRealType) image->page.x); |
| 2439 | if (LocaleCompare(symbol,"page.y") == 0) |
| 2440 | return((MagickRealType) image->page.y); |
| 2441 | break; |
| 2442 | } |
| 2443 | case 'R': |
| 2444 | case 'r': |
| 2445 | { |
| 2446 | if (LocaleCompare(symbol,"resolution.x") == 0) |
| 2447 | return(image->x_resolution); |
| 2448 | if (LocaleCompare(symbol,"resolution.y") == 0) |
| 2449 | return(image->y_resolution); |
| 2450 | if (LocaleCompare(symbol,"r") == 0) |
| 2451 | return(QuantumScale*pixel.red); |
| 2452 | break; |
| 2453 | } |
| 2454 | case 'S': |
| 2455 | case 's': |
| 2456 | { |
| 2457 | if (LocaleCompare(symbol,"saturation") == 0) |
| 2458 | { |
| 2459 | double |
| 2460 | hue, |
| 2461 | lightness, |
| 2462 | saturation; |
| 2463 | |
| 2464 | ConvertRGBToHSL(RoundToQuantum(pixel.red),RoundToQuantum(pixel.green), |
| 2465 | RoundToQuantum(pixel.blue),&hue,&saturation,&lightness); |
| 2466 | return(saturation); |
| 2467 | } |
| 2468 | if (LocaleNCompare(symbol,"skewness",8) == 0) |
| 2469 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2470 | if (LocaleNCompare(symbol,"standard_deviation",18) == 0) |
| 2471 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 2472 | break; |
| 2473 | } |
| 2474 | case 'T': |
| 2475 | case 't': |
| 2476 | { |
| 2477 | if (LocaleCompare(symbol,"t") == 0) |
| 2478 | return((MagickRealType) fx_info->images->scene); |
| 2479 | break; |
| 2480 | } |
| 2481 | case 'W': |
| 2482 | case 'w': |
| 2483 | { |
| 2484 | if (LocaleCompare(symbol,"w") == 0) |
| 2485 | return((MagickRealType) image->columns); |
| 2486 | break; |
| 2487 | } |
| 2488 | case 'Y': |
| 2489 | case 'y': |
| 2490 | { |
| 2491 | if (LocaleCompare(symbol,"y") == 0) |
| 2492 | return(QuantumScale*pixel.green); |
| 2493 | break; |
| 2494 | } |
| 2495 | case 'Z': |
| 2496 | case 'z': |
| 2497 | { |
| 2498 | if (LocaleCompare(symbol,"z") == 0) |
| 2499 | { |
| 2500 | MagickRealType |
| 2501 | depth; |
| 2502 | |
| 2503 | depth=(MagickRealType) GetImageChannelDepth(image,channel, |
| 2504 | fx_info->exception); |
| 2505 | return(depth); |
| 2506 | } |
| 2507 | break; |
| 2508 | } |
| 2509 | default: |
| 2510 | break; |
| 2511 | } |
| 2512 | value=(const char *) GetValueFromSplayTree(fx_info->symbols,symbol); |
| 2513 | if (value != (const char *) NULL) |
| 2514 | return((MagickRealType) atof(value)); |
| 2515 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 2516 | "UnableToParseExpression","`%s'",symbol); |
| 2517 | return(0.0); |
| 2518 | } |
| 2519 | |
| 2520 | static const char *FxOperatorPrecedence(const char *expression, |
| 2521 | ExceptionInfo *exception) |
| 2522 | { |
| 2523 | typedef enum |
| 2524 | { |
| 2525 | UndefinedPrecedence, |
| 2526 | NullPrecedence, |
| 2527 | BitwiseComplementPrecedence, |
| 2528 | ExponentPrecedence, |
| 2529 | MultiplyPrecedence, |
| 2530 | AdditionPrecedence, |
| 2531 | ShiftPrecedence, |
| 2532 | RelationalPrecedence, |
| 2533 | EquivalencyPrecedence, |
| 2534 | BitwiseAndPrecedence, |
| 2535 | BitwiseOrPrecedence, |
| 2536 | LogicalAndPrecedence, |
| 2537 | LogicalOrPrecedence, |
| 2538 | TernaryPrecedence, |
| 2539 | AssignmentPrecedence, |
| 2540 | CommaPrecedence, |
| 2541 | SeparatorPrecedence |
| 2542 | } FxPrecedence; |
| 2543 | |
| 2544 | FxPrecedence |
| 2545 | precedence, |
| 2546 | target; |
| 2547 | |
| 2548 | register const char |
| 2549 | *subexpression; |
| 2550 | |
| 2551 | register int |
| 2552 | c; |
| 2553 | |
| 2554 | unsigned long |
| 2555 | level; |
| 2556 | |
| 2557 | c=0; |
| 2558 | level=0; |
| 2559 | subexpression=(const char *) NULL; |
| 2560 | target=NullPrecedence; |
| 2561 | while (*expression != '\0') |
| 2562 | { |
| 2563 | precedence=UndefinedPrecedence; |
| 2564 | if ((isspace((int) ((char) *expression)) != 0) || (c == (int) '@')) |
| 2565 | { |
| 2566 | expression++; |
| 2567 | continue; |
| 2568 | } |
| 2569 | if (LocaleNCompare(expression,"atan2",5) == 0) |
| 2570 | { |
| 2571 | expression+=5; |
| 2572 | continue; |
| 2573 | } |
| 2574 | if ((c == (int) '{') || (c == (int) '[')) |
| 2575 | level++; |
| 2576 | else |
| 2577 | if ((c == (int) '}') || (c == (int) ']')) |
| 2578 | level--; |
| 2579 | if (level == 0) |
| 2580 | switch ((unsigned char) *expression) |
| 2581 | { |
| 2582 | case '~': |
| 2583 | case '!': |
| 2584 | { |
| 2585 | precedence=BitwiseComplementPrecedence; |
| 2586 | break; |
| 2587 | } |
| 2588 | case '^': |
| 2589 | { |
| 2590 | precedence=ExponentPrecedence; |
| 2591 | break; |
| 2592 | } |
| 2593 | default: |
| 2594 | { |
| 2595 | if (((c != 0) && ((isdigit((int) ((char) c)) != 0) || |
| 2596 | (strchr(")",c) != (char *) NULL))) && |
| 2597 | (((islower((int) ((char) *expression)) != 0) || |
| 2598 | (strchr("(",(int) *expression) != (char *) NULL)) || |
| 2599 | ((isdigit((int) ((char) c)) == 0) && |
| 2600 | (isdigit((int) ((char) *expression)) != 0))) && |
| 2601 | (strchr("xy",(int) *expression) == (char *) NULL)) |
| 2602 | precedence=MultiplyPrecedence; |
| 2603 | break; |
| 2604 | } |
| 2605 | case '*': |
| 2606 | case '/': |
| 2607 | case '%': |
| 2608 | { |
| 2609 | precedence=MultiplyPrecedence; |
| 2610 | break; |
| 2611 | } |
| 2612 | case '+': |
| 2613 | case '-': |
| 2614 | { |
| 2615 | if ((strchr("(+-/*%:&^|<>~,",c) == (char *) NULL) || |
| 2616 | (isalpha(c) != 0)) |
| 2617 | precedence=AdditionPrecedence; |
| 2618 | break; |
| 2619 | } |
| 2620 | case LeftShiftOperator: |
| 2621 | case RightShiftOperator: |
| 2622 | { |
| 2623 | precedence=ShiftPrecedence; |
| 2624 | break; |
| 2625 | } |
| 2626 | case '<': |
| 2627 | case LessThanEqualOperator: |
| 2628 | case GreaterThanEqualOperator: |
| 2629 | case '>': |
| 2630 | { |
| 2631 | precedence=RelationalPrecedence; |
| 2632 | break; |
| 2633 | } |
| 2634 | case EqualOperator: |
| 2635 | case NotEqualOperator: |
| 2636 | { |
| 2637 | precedence=EquivalencyPrecedence; |
| 2638 | break; |
| 2639 | } |
| 2640 | case '&': |
| 2641 | { |
| 2642 | precedence=BitwiseAndPrecedence; |
| 2643 | break; |
| 2644 | } |
| 2645 | case '|': |
| 2646 | { |
| 2647 | precedence=BitwiseOrPrecedence; |
| 2648 | break; |
| 2649 | } |
| 2650 | case LogicalAndOperator: |
| 2651 | { |
| 2652 | precedence=LogicalAndPrecedence; |
| 2653 | break; |
| 2654 | } |
| 2655 | case LogicalOrOperator: |
| 2656 | { |
| 2657 | precedence=LogicalOrPrecedence; |
| 2658 | break; |
| 2659 | } |
| 2660 | case ':': |
| 2661 | case '?': |
| 2662 | { |
| 2663 | precedence=TernaryPrecedence; |
| 2664 | break; |
| 2665 | } |
| 2666 | case '=': |
| 2667 | { |
| 2668 | precedence=AssignmentPrecedence; |
| 2669 | break; |
| 2670 | } |
| 2671 | case ',': |
| 2672 | { |
| 2673 | precedence=CommaPrecedence; |
| 2674 | break; |
| 2675 | } |
| 2676 | case ';': |
| 2677 | { |
| 2678 | precedence=SeparatorPrecedence; |
| 2679 | break; |
| 2680 | } |
| 2681 | } |
| 2682 | if ((precedence == BitwiseComplementPrecedence) || |
| 2683 | (precedence == TernaryPrecedence) || |
| 2684 | (precedence == AssignmentPrecedence)) |
| 2685 | { |
| 2686 | if (precedence > target) |
| 2687 | { |
| 2688 | /* |
| 2689 | Right-to-left associativity. |
| 2690 | */ |
| 2691 | target=precedence; |
| 2692 | subexpression=expression; |
| 2693 | } |
| 2694 | } |
| 2695 | else |
| 2696 | if (precedence >= target) |
| 2697 | { |
| 2698 | /* |
| 2699 | Left-to-right associativity. |
| 2700 | */ |
| 2701 | target=precedence; |
| 2702 | subexpression=expression; |
| 2703 | } |
| 2704 | if (strchr("(",(int) *expression) != (char *) NULL) |
| 2705 | expression=FxSubexpression(expression,exception); |
| 2706 | c=(int) (*expression++); |
| 2707 | } |
| 2708 | return(subexpression); |
| 2709 | } |
| 2710 | |
| 2711 | static MagickRealType FxEvaluateSubexpression(FxInfo *fx_info, |
| 2712 | const ChannelType channel,const long x,const long y,const char *expression, |
| 2713 | MagickRealType *beta,ExceptionInfo *exception) |
| 2714 | { |
| 2715 | char |
| 2716 | *q, |
| 2717 | subexpression[MaxTextExtent]; |
| 2718 | |
| 2719 | MagickRealType |
| 2720 | alpha, |
| 2721 | gamma; |
| 2722 | |
| 2723 | register const char |
| 2724 | *p; |
| 2725 | |
| 2726 | *beta=0.0; |
| 2727 | if (exception->severity != UndefinedException) |
| 2728 | return(0.0); |
| 2729 | while (isspace((int) *expression) != 0) |
| 2730 | expression++; |
| 2731 | if (*expression == '\0') |
| 2732 | { |
| 2733 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 2734 | "MissingExpression","`%s'",expression); |
| 2735 | return(0.0); |
| 2736 | } |
| 2737 | p=FxOperatorPrecedence(expression,exception); |
| 2738 | if (p != (const char *) NULL) |
| 2739 | { |
| 2740 | (void) CopyMagickString(subexpression,expression,(size_t) |
| 2741 | (p-expression+1)); |
| 2742 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression,beta, |
| 2743 | exception); |
| 2744 | switch ((unsigned char) *p) |
| 2745 | { |
| 2746 | case '~': |
| 2747 | { |
| 2748 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2749 | *beta=(MagickRealType) (~(unsigned long) *beta); |
| 2750 | return(*beta); |
| 2751 | } |
| 2752 | case '!': |
| 2753 | { |
| 2754 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2755 | return(*beta == 0.0 ? 1.0 : 0.0); |
| 2756 | } |
| 2757 | case '^': |
| 2758 | { |
| 2759 | *beta=pow((double) alpha,(double) FxEvaluateSubexpression(fx_info, |
| 2760 | channel,x,y,++p,beta,exception)); |
| 2761 | return(*beta); |
| 2762 | } |
| 2763 | case '*': |
| 2764 | { |
| 2765 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2766 | return(alpha*(*beta)); |
| 2767 | } |
| 2768 | case '/': |
| 2769 | { |
| 2770 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2771 | if (*beta == 0.0) |
| 2772 | { |
| 2773 | if (exception->severity == UndefinedException) |
| 2774 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2775 | OptionError,"DivideByZero","`%s'",expression); |
| 2776 | return(0.0); |
| 2777 | } |
| 2778 | return(alpha/(*beta)); |
| 2779 | } |
| 2780 | case '%': |
| 2781 | { |
| 2782 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2783 | *beta=fabs(floor(((double) *beta)+0.5)); |
| 2784 | if (*beta == 0.0) |
| 2785 | { |
| 2786 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2787 | OptionError,"DivideByZero","`%s'",expression); |
| 2788 | return(0.0); |
| 2789 | } |
| 2790 | return(fmod((double) alpha,(double) *beta)); |
| 2791 | } |
| 2792 | case '+': |
| 2793 | { |
| 2794 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2795 | return(alpha+(*beta)); |
| 2796 | } |
| 2797 | case '-': |
| 2798 | { |
| 2799 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2800 | return(alpha-(*beta)); |
| 2801 | } |
| 2802 | case LeftShiftOperator: |
| 2803 | { |
| 2804 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2805 | *beta=(MagickRealType) ((unsigned long) (alpha+0.5) << (unsigned long) |
| 2806 | (gamma+0.5)); |
| 2807 | return(*beta); |
| 2808 | } |
| 2809 | case RightShiftOperator: |
| 2810 | { |
| 2811 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2812 | *beta=(MagickRealType) ((unsigned long) (alpha+0.5) >> (unsigned long) |
| 2813 | (gamma+0.5)); |
| 2814 | return(*beta); |
| 2815 | } |
| 2816 | case '<': |
| 2817 | { |
| 2818 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2819 | return(alpha < *beta ? 1.0 : 0.0); |
| 2820 | } |
| 2821 | case LessThanEqualOperator: |
| 2822 | { |
| 2823 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2824 | return(alpha <= *beta ? 1.0 : 0.0); |
| 2825 | } |
| 2826 | case '>': |
| 2827 | { |
| 2828 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2829 | return(alpha > *beta ? 1.0 : 0.0); |
| 2830 | } |
| 2831 | case GreaterThanEqualOperator: |
| 2832 | { |
| 2833 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2834 | return(alpha >= *beta ? 1.0 : 0.0); |
| 2835 | } |
| 2836 | case EqualOperator: |
| 2837 | { |
| 2838 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2839 | return(fabs(alpha-(*beta)) <= MagickEpsilon ? 1.0 : 0.0); |
| 2840 | } |
| 2841 | case NotEqualOperator: |
| 2842 | { |
| 2843 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2844 | return(fabs(alpha-(*beta)) > MagickEpsilon ? 1.0 : 0.0); |
| 2845 | } |
| 2846 | case '&': |
| 2847 | { |
| 2848 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2849 | *beta=(MagickRealType) ((unsigned long) (alpha+0.5) & (unsigned long) |
| 2850 | (gamma+0.5)); |
| 2851 | return(*beta); |
| 2852 | } |
| 2853 | case '|': |
| 2854 | { |
| 2855 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2856 | *beta=(MagickRealType) ((unsigned long) (alpha+0.5) | (unsigned long) |
| 2857 | (gamma+0.5)); |
| 2858 | return(*beta); |
| 2859 | } |
| 2860 | case LogicalAndOperator: |
| 2861 | { |
| 2862 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2863 | *beta=(alpha > 0.0) && (gamma > 0.0) ? 1.0 : 0.0; |
| 2864 | return(*beta); |
| 2865 | } |
| 2866 | case LogicalOrOperator: |
| 2867 | { |
| 2868 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2869 | *beta=(alpha > 0.0) || (gamma > 0.0) ? 1.0 : 0.0; |
| 2870 | return(*beta); |
| 2871 | } |
| 2872 | case '?': |
| 2873 | { |
| 2874 | MagickRealType |
| 2875 | gamma; |
| 2876 | |
| 2877 | (void) CopyMagickString(subexpression,++p,MaxTextExtent); |
| 2878 | q=subexpression; |
| 2879 | p=StringToken(":",&q); |
| 2880 | if (q == (char *) NULL) |
| 2881 | { |
| 2882 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2883 | OptionError,"UnableToParseExpression","`%s'",subexpression); |
| 2884 | return(0.0); |
| 2885 | } |
| 2886 | if (fabs((double) alpha) > MagickEpsilon) |
| 2887 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,p,beta,exception); |
| 2888 | else |
| 2889 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,q,beta,exception); |
| 2890 | return(gamma); |
| 2891 | } |
| 2892 | case '=': |
| 2893 | { |
| 2894 | char |
| 2895 | numeric[MaxTextExtent]; |
| 2896 | |
| 2897 | q=subexpression; |
| 2898 | while (isalpha((int) ((unsigned char) *q)) != 0) |
| 2899 | q++; |
| 2900 | if (*q != '\0') |
| 2901 | { |
| 2902 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2903 | OptionError,"UnableToParseExpression","`%s'",subexpression); |
| 2904 | return(0.0); |
| 2905 | } |
| 2906 | ClearMagickException(exception); |
| 2907 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2908 | (void) FormatMagickString(numeric,MaxTextExtent,"%g",(double) *beta); |
| 2909 | (void) DeleteNodeFromSplayTree(fx_info->symbols,subexpression); |
| 2910 | (void) AddValueToSplayTree(fx_info->symbols,ConstantString( |
| 2911 | subexpression),ConstantString(numeric)); |
| 2912 | return(*beta); |
| 2913 | } |
| 2914 | case ',': |
| 2915 | { |
| 2916 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2917 | return(alpha); |
| 2918 | } |
| 2919 | case ';': |
| 2920 | { |
| 2921 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2922 | return(*beta); |
| 2923 | } |
| 2924 | default: |
| 2925 | { |
| 2926 | gamma=alpha*FxEvaluateSubexpression(fx_info,channel,x,y,p,beta, |
| 2927 | exception); |
| 2928 | return(gamma); |
| 2929 | } |
| 2930 | } |
| 2931 | } |
| 2932 | if (strchr("(",(int) *expression) != (char *) NULL) |
| 2933 | { |
| 2934 | (void) CopyMagickString(subexpression,expression+1,MaxTextExtent); |
| 2935 | subexpression[strlen(subexpression)-1]='\0'; |
| 2936 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression,beta, |
| 2937 | exception); |
| 2938 | return(gamma); |
| 2939 | } |
| 2940 | switch (*expression) |
| 2941 | { |
| 2942 | case '+': |
| 2943 | { |
| 2944 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2945 | exception); |
| 2946 | return(1.0*gamma); |
| 2947 | } |
| 2948 | case '-': |
| 2949 | { |
| 2950 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2951 | exception); |
| 2952 | return(-1.0*gamma); |
| 2953 | } |
| 2954 | case '~': |
| 2955 | { |
| 2956 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2957 | exception); |
| 2958 | return((MagickRealType) (~(unsigned long) (gamma+0.5))); |
| 2959 | } |
| 2960 | case 'A': |
| 2961 | case 'a': |
| 2962 | { |
| 2963 | if (LocaleNCompare(expression,"abs",3) == 0) |
| 2964 | { |
| 2965 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2966 | exception); |
| 2967 | return((MagickRealType) fabs((double) alpha)); |
| 2968 | } |
| 2969 | if (LocaleNCompare(expression,"acos",4) == 0) |
| 2970 | { |
| 2971 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2972 | exception); |
| 2973 | return((MagickRealType) acos((double) alpha)); |
| 2974 | } |
| 2975 | if (LocaleNCompare(expression,"asin",4) == 0) |
| 2976 | { |
| 2977 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2978 | exception); |
| 2979 | return((MagickRealType) asin((double) alpha)); |
| 2980 | } |
| 2981 | if (LocaleNCompare(expression,"alt",3) == 0) |
| 2982 | { |
| 2983 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2984 | exception); |
| 2985 | return(((long) alpha) & 0x01 ? -1.0 : 1.0); |
| 2986 | } |
| 2987 | if (LocaleNCompare(expression,"atan2",5) == 0) |
| 2988 | { |
| 2989 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2990 | exception); |
| 2991 | return((MagickRealType) atan2((double) alpha,(double) *beta)); |
| 2992 | } |
| 2993 | if (LocaleNCompare(expression,"atan",4) == 0) |
| 2994 | { |
| 2995 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2996 | exception); |
| 2997 | return((MagickRealType) atan((double) alpha)); |
| 2998 | } |
| 2999 | if (LocaleCompare(expression,"a") == 0) |
| 3000 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3001 | break; |
| 3002 | } |
| 3003 | case 'B': |
| 3004 | case 'b': |
| 3005 | { |
| 3006 | if (LocaleCompare(expression,"b") == 0) |
| 3007 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3008 | break; |
| 3009 | } |
| 3010 | case 'C': |
| 3011 | case 'c': |
| 3012 | { |
| 3013 | if (LocaleNCompare(expression,"ceil",4) == 0) |
| 3014 | { |
| 3015 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3016 | exception); |
| 3017 | return((MagickRealType) ceil((double) alpha)); |
| 3018 | } |
| 3019 | if (LocaleNCompare(expression,"cosh",4) == 0) |
| 3020 | { |
| 3021 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3022 | exception); |
| 3023 | return((MagickRealType) cosh((double) alpha)); |
| 3024 | } |
| 3025 | if (LocaleNCompare(expression,"cos",3) == 0) |
| 3026 | { |
| 3027 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3028 | exception); |
| 3029 | return((MagickRealType) cos((double) alpha)); |
| 3030 | } |
| 3031 | if (LocaleCompare(expression,"c") == 0) |
| 3032 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3033 | break; |
| 3034 | } |
| 3035 | case 'D': |
| 3036 | case 'd': |
| 3037 | { |
| 3038 | if (LocaleNCompare(expression,"debug",5) == 0) |
| 3039 | { |
| 3040 | const char |
| 3041 | *type; |
| 3042 | |
| 3043 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 3044 | exception); |
| 3045 | if (fx_info->images->colorspace == CMYKColorspace) |
| 3046 | switch (channel) |
| 3047 | { |
| 3048 | case CyanChannel: type="cyan"; break; |
| 3049 | case MagentaChannel: type="magenta"; break; |
| 3050 | case YellowChannel: type="yellow"; break; |
| 3051 | case OpacityChannel: type="opacity"; break; |
| 3052 | case BlackChannel: type="black"; break; |
| 3053 | default: type="unknown"; break; |
| 3054 | } |
| 3055 | else |
| 3056 | switch (channel) |
| 3057 | { |
| 3058 | case RedChannel: type="red"; break; |
| 3059 | case GreenChannel: type="green"; break; |
| 3060 | case BlueChannel: type="blue"; break; |
| 3061 | case OpacityChannel: type="opacity"; break; |
| 3062 | default: type="unknown"; break; |
| 3063 | } |
| 3064 | (void) CopyMagickString(subexpression,expression+6,MaxTextExtent); |
| 3065 | if (strlen(subexpression) > 1) |
| 3066 | subexpression[strlen(subexpression)-1]='\0'; |
| 3067 | if (fx_info->file != (FILE *) NULL) |
| 3068 | (void) fprintf(fx_info->file,"%s[%ld,%ld].%s: %s=%g\n", |
| 3069 | fx_info->images->filename,x,y,type,subexpression,(double) alpha); |
| 3070 | return(0.0); |
| 3071 | } |
| 3072 | break; |
| 3073 | } |
| 3074 | case 'E': |
| 3075 | case 'e': |
| 3076 | { |
| 3077 | if (LocaleCompare(expression,"epsilon") == 0) |
| 3078 | return((MagickRealType) MagickEpsilon); |
| 3079 | if (LocaleNCompare(expression,"exp",3) == 0) |
| 3080 | { |
| 3081 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3082 | exception); |
| 3083 | return((MagickRealType) exp((double) alpha)); |
| 3084 | } |
| 3085 | if (LocaleCompare(expression,"e") == 0) |
| 3086 | return((MagickRealType) 2.7182818284590452354); |
| 3087 | break; |
| 3088 | } |
| 3089 | case 'F': |
| 3090 | case 'f': |
| 3091 | { |
| 3092 | if (LocaleNCompare(expression,"floor",5) == 0) |
| 3093 | { |
| 3094 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 3095 | exception); |
| 3096 | return((MagickRealType) floor((double) alpha)); |
| 3097 | } |
| 3098 | break; |
| 3099 | } |
| 3100 | case 'G': |
| 3101 | case 'g': |
| 3102 | { |
| 3103 | if (LocaleCompare(expression,"g") == 0) |
| 3104 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3105 | break; |
| 3106 | } |
| 3107 | case 'H': |
| 3108 | case 'h': |
| 3109 | { |
| 3110 | if (LocaleCompare(expression,"h") == 0) |
| 3111 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3112 | if (LocaleCompare(expression,"hue") == 0) |
| 3113 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3114 | if (LocaleNCompare(expression,"hypot",5) == 0) |
| 3115 | { |
| 3116 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 3117 | exception); |
| 3118 | return((MagickRealType) hypot((double) alpha,(double) *beta)); |
| 3119 | } |
| 3120 | break; |
| 3121 | } |
| 3122 | case 'K': |
| 3123 | case 'k': |
| 3124 | { |
| 3125 | if (LocaleCompare(expression,"k") == 0) |
| 3126 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3127 | break; |
| 3128 | } |
| 3129 | case 'I': |
| 3130 | case 'i': |
| 3131 | { |
| 3132 | if (LocaleCompare(expression,"intensity") == 0) |
| 3133 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3134 | if (LocaleNCompare(expression,"int",3) == 0) |
| 3135 | { |
| 3136 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3137 | exception); |
| 3138 | return((MagickRealType) floor(alpha+0.5)); |
| 3139 | } |
| 3140 | if (LocaleCompare(expression,"i") == 0) |
| 3141 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3142 | break; |
| 3143 | } |
| 3144 | case 'J': |
| 3145 | case 'j': |
| 3146 | { |
| 3147 | if (LocaleCompare(expression,"j") == 0) |
| 3148 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3149 | break; |
| 3150 | } |
| 3151 | case 'L': |
| 3152 | case 'l': |
| 3153 | { |
| 3154 | if (LocaleNCompare(expression,"ln",2) == 0) |
| 3155 | { |
| 3156 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+2,beta, |
| 3157 | exception); |
| 3158 | return((MagickRealType) log((double) alpha)); |
| 3159 | } |
| 3160 | if (LocaleNCompare(expression,"logtwo",4) == 0) |
| 3161 | { |
| 3162 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3163 | exception); |
| 3164 | return((MagickRealType) log10((double) alpha))/log10(2.0); |
| 3165 | } |
| 3166 | if (LocaleNCompare(expression,"log",3) == 0) |
| 3167 | { |
| 3168 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3169 | exception); |
| 3170 | return((MagickRealType) log10((double) alpha)); |
| 3171 | } |
| 3172 | if (LocaleCompare(expression,"lightness") == 0) |
| 3173 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3174 | break; |
| 3175 | } |
| 3176 | case 'M': |
| 3177 | case 'm': |
| 3178 | { |
| 3179 | if (LocaleCompare(expression,"MaxRGB") == 0) |
| 3180 | return((MagickRealType) QuantumRange); |
| 3181 | if (LocaleNCompare(expression,"maxima",6) == 0) |
| 3182 | break; |
| 3183 | if (LocaleNCompare(expression,"max",3) == 0) |
| 3184 | return(FxMax(fx_info,channel,x,y,expression+3,exception)); |
| 3185 | if (LocaleNCompare(expression,"minima",6) == 0) |
| 3186 | break; |
| 3187 | if (LocaleNCompare(expression,"min",3) == 0) |
| 3188 | return(FxMin(fx_info,channel,x,y,expression+3,exception)); |
| 3189 | if (LocaleNCompare(expression,"mod",3) == 0) |
| 3190 | { |
| 3191 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3192 | exception); |
| 3193 | return((MagickRealType) fmod((double) alpha,(double) *beta)); |
| 3194 | } |
| 3195 | if (LocaleCompare(expression,"m") == 0) |
| 3196 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3197 | break; |
| 3198 | } |
| 3199 | case 'N': |
| 3200 | case 'n': |
| 3201 | { |
| 3202 | if (LocaleCompare(expression,"n") == 0) |
| 3203 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3204 | break; |
| 3205 | } |
| 3206 | case 'O': |
| 3207 | case 'o': |
| 3208 | { |
| 3209 | if (LocaleCompare(expression,"Opaque") == 0) |
| 3210 | return(1.0); |
| 3211 | if (LocaleCompare(expression,"o") == 0) |
| 3212 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3213 | break; |
| 3214 | } |
| 3215 | case 'P': |
| 3216 | case 'p': |
| 3217 | { |
| 3218 | if (LocaleCompare(expression,"pi") == 0) |
| 3219 | return((MagickRealType) MagickPI); |
| 3220 | if (LocaleNCompare(expression,"pow",3) == 0) |
| 3221 | { |
| 3222 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3223 | exception); |
| 3224 | return((MagickRealType) pow((double) alpha,(double) *beta)); |
| 3225 | } |
| 3226 | if (LocaleCompare(expression,"p") == 0) |
| 3227 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3228 | break; |
| 3229 | } |
| 3230 | case 'Q': |
| 3231 | case 'q': |
| 3232 | { |
| 3233 | if (LocaleCompare(expression,"QuantumRange") == 0) |
| 3234 | return((MagickRealType) QuantumRange); |
| 3235 | if (LocaleCompare(expression,"QuantumScale") == 0) |
| 3236 | return((MagickRealType) QuantumScale); |
| 3237 | break; |
| 3238 | } |
| 3239 | case 'R': |
| 3240 | case 'r': |
| 3241 | { |
| 3242 | if (LocaleNCompare(expression,"rand",4) == 0) |
| 3243 | return((MagickRealType) GetPseudoRandomValue(fx_info->random_info)); |
| 3244 | if (LocaleNCompare(expression,"round",5) == 0) |
| 3245 | { |
| 3246 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 3247 | exception); |
| 3248 | if (alpha >= 0.0) |
| 3249 | return((MagickRealType) floor((double) alpha+0.5)); |
| 3250 | return((MagickRealType) ceil((double) alpha-0.5)); |
| 3251 | } |
| 3252 | if (LocaleCompare(expression,"r") == 0) |
| 3253 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3254 | break; |
| 3255 | } |
| 3256 | case 'S': |
| 3257 | case 's': |
| 3258 | { |
| 3259 | if (LocaleCompare(expression,"saturation") == 0) |
| 3260 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3261 | if (LocaleNCompare(expression,"sign",4) == 0) |
| 3262 | { |
| 3263 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3264 | exception); |
| 3265 | return(alpha < 0.0 ? -1.0 : 1.0); |
| 3266 | } |
| 3267 | if (LocaleNCompare(expression,"sinh",4) == 0) |
| 3268 | { |
| 3269 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3270 | exception); |
| 3271 | return((MagickRealType) sinh((double) alpha)); |
| 3272 | } |
| 3273 | if (LocaleNCompare(expression,"sin",3) == 0) |
| 3274 | { |
| 3275 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3276 | exception); |
| 3277 | return((MagickRealType) sin((double) alpha)); |
| 3278 | } |
| 3279 | if (LocaleNCompare(expression,"sqrt",4) == 0) |
| 3280 | { |
| 3281 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3282 | exception); |
| 3283 | return((MagickRealType) sqrt((double) alpha)); |
| 3284 | } |
| 3285 | if (LocaleCompare(expression,"s") == 0) |
| 3286 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3287 | break; |
| 3288 | } |
| 3289 | case 'T': |
| 3290 | case 't': |
| 3291 | { |
| 3292 | if (LocaleNCompare(expression,"tanh",4) == 0) |
| 3293 | { |
| 3294 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 3295 | exception); |
| 3296 | return((MagickRealType) tanh((double) alpha)); |
| 3297 | } |
| 3298 | if (LocaleNCompare(expression,"tan",3) == 0) |
| 3299 | { |
| 3300 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 3301 | exception); |
| 3302 | return((MagickRealType) tan((double) alpha)); |
| 3303 | } |
| 3304 | if (LocaleCompare(expression,"Transparent") == 0) |
| 3305 | return(0.0); |
| 3306 | if (LocaleCompare(expression,"t") == 0) |
| 3307 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3308 | break; |
| 3309 | } |
| 3310 | case 'U': |
| 3311 | case 'u': |
| 3312 | { |
| 3313 | if (LocaleCompare(expression,"u") == 0) |
| 3314 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3315 | break; |
| 3316 | } |
| 3317 | case 'V': |
| 3318 | case 'v': |
| 3319 | { |
| 3320 | if (LocaleCompare(expression,"v") == 0) |
| 3321 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3322 | break; |
| 3323 | } |
| 3324 | case 'W': |
| 3325 | case 'w': |
| 3326 | { |
| 3327 | if (LocaleCompare(expression,"w") == 0) |
| 3328 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3329 | break; |
| 3330 | } |
| 3331 | case 'Y': |
| 3332 | case 'y': |
| 3333 | { |
| 3334 | if (LocaleCompare(expression,"y") == 0) |
| 3335 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3336 | break; |
| 3337 | } |
| 3338 | case 'Z': |
| 3339 | case 'z': |
| 3340 | { |
| 3341 | if (LocaleCompare(expression,"z") == 0) |
| 3342 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3343 | break; |
| 3344 | } |
| 3345 | default: |
| 3346 | break; |
| 3347 | } |
| 3348 | q=(char *) expression; |
| 3349 | alpha=strtod(expression,&q); |
| 3350 | if (q == expression) |
| 3351 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 3352 | return(alpha); |
| 3353 | } |
| 3354 | |
| 3355 | MagickExport MagickBooleanType FxEvaluateExpression(FxInfo *fx_info, |
| 3356 | MagickRealType *alpha,ExceptionInfo *exception) |
| 3357 | { |
| 3358 | MagickBooleanType |
| 3359 | status; |
| 3360 | |
| 3361 | status=FxEvaluateChannelExpression(fx_info,GrayChannel,0,0,alpha,exception); |
| 3362 | return(status); |
| 3363 | } |
| 3364 | |
| 3365 | MagickExport MagickBooleanType FxPreprocessExpression(FxInfo *fx_info, |
| 3366 | MagickRealType *alpha,ExceptionInfo *exception) |
| 3367 | { |
| 3368 | FILE |
| 3369 | *file; |
| 3370 | |
| 3371 | MagickBooleanType |
| 3372 | status; |
| 3373 | |
| 3374 | file=fx_info->file; |
| 3375 | fx_info->file=(FILE *) NULL; |
| 3376 | status=FxEvaluateChannelExpression(fx_info,GrayChannel,0,0,alpha,exception); |
| 3377 | fx_info->file=file; |
| 3378 | return(status); |
| 3379 | } |
| 3380 | |
| 3381 | MagickExport MagickBooleanType FxEvaluateChannelExpression(FxInfo *fx_info, |
| 3382 | const ChannelType channel,const long x,const long y,MagickRealType *alpha, |
| 3383 | ExceptionInfo *exception) |
| 3384 | { |
| 3385 | MagickRealType |
| 3386 | beta; |
| 3387 | |
| 3388 | beta=0.0; |
| 3389 | *alpha=FxEvaluateSubexpression(fx_info,channel,x,y,fx_info->expression,&beta, |
| 3390 | exception); |
| 3391 | return(exception->severity == OptionError ? MagickFalse : MagickTrue); |
| 3392 | } |
| 3393 | |
| 3394 | /* |
| 3395 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3396 | % % |
| 3397 | % % |
| 3398 | % % |
| 3399 | % F x I m a g e % |
| 3400 | % % |
| 3401 | % % |
| 3402 | % % |
| 3403 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3404 | % |
| 3405 | % FxImage() applies a mathematical expression to the specified image. |
| 3406 | % |
| 3407 | % The format of the FxImage method is: |
| 3408 | % |
| 3409 | % Image *FxImage(const Image *image,const char *expression, |
| 3410 | % ExceptionInfo *exception) |
| 3411 | % Image *FxImageChannel(const Image *image,const ChannelType channel, |
| 3412 | % const char *expression,ExceptionInfo *exception) |
| 3413 | % |
| 3414 | % A description of each parameter follows: |
| 3415 | % |
| 3416 | % o image: the image. |
| 3417 | % |
| 3418 | % o channel: the channel. |
| 3419 | % |
| 3420 | % o expression: A mathematical expression. |
| 3421 | % |
| 3422 | % o exception: return any errors or warnings in this structure. |
| 3423 | % |
| 3424 | */ |
| 3425 | |
| 3426 | static FxInfo **DestroyFxThreadSet(FxInfo **fx_info) |
| 3427 | { |
| 3428 | register long |
| 3429 | i; |
| 3430 | |
| 3431 | assert(fx_info != (FxInfo **) NULL); |
| 3432 | for (i=0; i < (long) GetOpenMPMaximumThreads(); i++) |
| 3433 | if (fx_info[i] != (FxInfo *) NULL) |
| 3434 | fx_info[i]=DestroyFxInfo(fx_info[i]); |
| 3435 | fx_info=(FxInfo **) RelinquishAlignedMemory(fx_info); |
| 3436 | return(fx_info); |
| 3437 | } |
| 3438 | |
| 3439 | static FxInfo **AcquireFxThreadSet(const Image *image,const char *expression, |
| 3440 | ExceptionInfo *exception) |
| 3441 | { |
| 3442 | char |
| 3443 | *fx_expression; |
| 3444 | |
| 3445 | FxInfo |
| 3446 | **fx_info; |
| 3447 | |
| 3448 | MagickRealType |
| 3449 | alpha; |
| 3450 | |
| 3451 | register long |
| 3452 | i; |
| 3453 | |
| 3454 | unsigned long |
| 3455 | number_threads; |
| 3456 | |
| 3457 | number_threads=GetOpenMPMaximumThreads(); |
| 3458 | fx_info=(FxInfo **) AcquireAlignedMemory(number_threads,sizeof(*fx_info)); |
| 3459 | if (fx_info == (FxInfo **) NULL) |
| 3460 | return((FxInfo **) NULL); |
| 3461 | (void) ResetMagickMemory(fx_info,0,number_threads*sizeof(*fx_info)); |
| 3462 | if (*expression != '@') |
| 3463 | fx_expression=ConstantString(expression); |
| 3464 | else |
| 3465 | fx_expression=FileToString(expression+1,~0,exception); |
| 3466 | for (i=0; i < (long) number_threads; i++) |
| 3467 | { |
| 3468 | fx_info[i]=AcquireFxInfo(image,fx_expression); |
| 3469 | if (fx_info[i] == (FxInfo *) NULL) |
| 3470 | return(DestroyFxThreadSet(fx_info)); |
| 3471 | (void) FxPreprocessExpression(fx_info[i],&alpha,fx_info[i]->exception); |
| 3472 | } |
| 3473 | fx_expression=DestroyString(fx_expression); |
| 3474 | return(fx_info); |
| 3475 | } |
| 3476 | |
| 3477 | MagickExport Image *FxImage(const Image *image,const char *expression, |
| 3478 | ExceptionInfo *exception) |
| 3479 | { |
| 3480 | Image |
| 3481 | *fx_image; |
| 3482 | |
| 3483 | fx_image=FxImageChannel(image,GrayChannel,expression,exception); |
| 3484 | return(fx_image); |
| 3485 | } |
| 3486 | |
| 3487 | MagickExport Image *FxImageChannel(const Image *image,const ChannelType channel, |
| 3488 | const char *expression,ExceptionInfo *exception) |
| 3489 | { |
| 3490 | #define FxImageTag "Fx/Image" |
| 3491 | |
| 3492 | FxInfo |
| 3493 | **fx_info; |
| 3494 | |
| 3495 | Image |
| 3496 | *fx_image; |
| 3497 | |
| 3498 | long |
| 3499 | progress, |
| 3500 | y; |
| 3501 | |
| 3502 | MagickBooleanType |
| 3503 | status; |
| 3504 | |
| 3505 | MagickRealType |
| 3506 | alpha; |
| 3507 | |
| 3508 | CacheView |
| 3509 | *fx_view; |
| 3510 | |
| 3511 | assert(image != (Image *) NULL); |
| 3512 | assert(image->signature == MagickSignature); |
| 3513 | if (image->debug != MagickFalse) |
| 3514 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3515 | fx_image=CloneImage(image,0,0,MagickTrue,exception); |
| 3516 | if (fx_image == (Image *) NULL) |
| 3517 | return((Image *) NULL); |
| 3518 | if (SetImageStorageClass(fx_image,DirectClass) == MagickFalse) |
| 3519 | { |
| 3520 | InheritException(exception,&fx_image->exception); |
| 3521 | fx_image=DestroyImage(fx_image); |
| 3522 | return((Image *) NULL); |
| 3523 | } |
| 3524 | fx_info=AcquireFxThreadSet(image,expression,exception); |
| 3525 | if (fx_info == (FxInfo **) NULL) |
| 3526 | { |
| 3527 | fx_image=DestroyImage(fx_image); |
| 3528 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 3529 | } |
| 3530 | status=FxPreprocessExpression(fx_info[0],&alpha,exception); |
| 3531 | if (status == MagickFalse) |
| 3532 | { |
| 3533 | fx_image=DestroyImage(fx_image); |
| 3534 | fx_info=DestroyFxThreadSet(fx_info); |
| 3535 | return((Image *) NULL); |
| 3536 | } |
| 3537 | /* |
| 3538 | Fx image. |
| 3539 | */ |
| 3540 | status=MagickTrue; |
| 3541 | progress=0; |
| 3542 | fx_view=AcquireCacheView(fx_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 3543 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3544 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3545 | #endif |
| 3546 | for (y=0; y < (long) fx_image->rows; y++) |
| 3547 | { |
| 3548 | MagickRealType |
| 3549 | alpha; |
| 3550 | |
| 3551 | register IndexPacket |
| 3552 | *__restrict fx_indexes; |
| 3553 | |
| 3554 | register long |
| 3555 | id, |
| 3556 | x; |
| 3557 | |
| 3558 | register PixelPacket |
| 3559 | *__restrict q; |
| 3560 | |
| 3561 | if (status == MagickFalse) |
| 3562 | continue; |
| 3563 | q=GetCacheViewAuthenticPixels(fx_view,0,y,fx_image->columns,1,exception); |
| 3564 | if (q == (PixelPacket *) NULL) |
| 3565 | { |
| 3566 | status=MagickFalse; |
| 3567 | continue; |
| 3568 | } |
| 3569 | fx_indexes=GetCacheViewAuthenticIndexQueue(fx_view); |
| 3570 | id=GetOpenMPThreadId(); |
| 3571 | alpha=0.0; |
| 3572 | for (x=0; x < (long) fx_image->columns; x++) |
| 3573 | { |
| 3574 | if ((channel & RedChannel) != 0) |
| 3575 | { |
| 3576 | (void) FxEvaluateChannelExpression(fx_info[id],RedChannel,x,y, |
| 3577 | &alpha,exception); |
| 3578 | q->red=RoundToQuantum((MagickRealType) QuantumRange*alpha); |
| 3579 | } |
| 3580 | if ((channel & GreenChannel) != 0) |
| 3581 | { |
| 3582 | (void) FxEvaluateChannelExpression(fx_info[id],GreenChannel,x,y, |
| 3583 | &alpha,exception); |
| 3584 | q->green=RoundToQuantum((MagickRealType) QuantumRange*alpha); |
| 3585 | } |
| 3586 | if ((channel & BlueChannel) != 0) |
| 3587 | { |
| 3588 | (void) FxEvaluateChannelExpression(fx_info[id],BlueChannel,x,y, |
| 3589 | &alpha,exception); |
| 3590 | q->blue=RoundToQuantum((MagickRealType) QuantumRange*alpha); |
| 3591 | } |
| 3592 | if ((channel & OpacityChannel) != 0) |
| 3593 | { |
| 3594 | (void) FxEvaluateChannelExpression(fx_info[id],OpacityChannel,x,y, |
| 3595 | &alpha,exception); |
| 3596 | if (image->matte == MagickFalse) |
| 3597 | q->opacity=RoundToQuantum((MagickRealType) QuantumRange*alpha); |
| 3598 | else |
| 3599 | q->opacity=RoundToQuantum((MagickRealType) (QuantumRange- |
| 3600 | QuantumRange*alpha)); |
| 3601 | } |
| 3602 | if (((channel & IndexChannel) != 0) && |
| 3603 | (fx_image->colorspace == CMYKColorspace)) |
| 3604 | { |
| 3605 | (void) FxEvaluateChannelExpression(fx_info[id],IndexChannel,x,y, |
| 3606 | &alpha,exception); |
| 3607 | fx_indexes[x]=(IndexPacket) RoundToQuantum((MagickRealType) |
| 3608 | QuantumRange*alpha); |
| 3609 | } |
| 3610 | q++; |
| 3611 | } |
| 3612 | if (SyncCacheViewAuthenticPixels(fx_view,exception) == MagickFalse) |
| 3613 | status=MagickFalse; |
| 3614 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 3615 | { |
| 3616 | MagickBooleanType |
| 3617 | proceed; |
| 3618 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 3619 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3620 | #pragma omp critical (MagickCore_FxImageChannel) |
| 3621 | #endif |
| 3622 | proceed=SetImageProgress(image,FxImageTag,progress++,image->rows); |
| 3623 | if (proceed == MagickFalse) |
| 3624 | status=MagickFalse; |
| 3625 | } |
| 3626 | } |
| 3627 | fx_image->matte=fx_info[0]->matte; |
| 3628 | fx_view=DestroyCacheView(fx_view); |
| 3629 | fx_info=DestroyFxThreadSet(fx_info); |
| 3630 | if (status == MagickFalse) |
| 3631 | fx_image=DestroyImage(fx_image); |
| 3632 | return(fx_image); |
| 3633 | } |
| 3634 | |
| 3635 | /* |
| 3636 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3637 | % % |
| 3638 | % % |
| 3639 | % % |
| 3640 | % I m p l o d e I m a g e % |
| 3641 | % % |
| 3642 | % % |
| 3643 | % % |
| 3644 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3645 | % |
| 3646 | % ImplodeImage() creates a new image that is a copy of an existing |
| 3647 | % one with the image pixels "implode" by the specified percentage. It |
| 3648 | % allocates the memory necessary for the new Image structure and returns a |
| 3649 | % pointer to the new image. |
| 3650 | % |
| 3651 | % The format of the ImplodeImage method is: |
| 3652 | % |
| 3653 | % Image *ImplodeImage(const Image *image,const double amount, |
| 3654 | % ExceptionInfo *exception) |
| 3655 | % |
| 3656 | % A description of each parameter follows: |
| 3657 | % |
| 3658 | % o implode_image: Method ImplodeImage returns a pointer to the image |
| 3659 | % after it is implode. A null image is returned if there is a memory |
| 3660 | % shortage. |
| 3661 | % |
| 3662 | % o image: the image. |
| 3663 | % |
| 3664 | % o amount: Define the extent of the implosion. |
| 3665 | % |
| 3666 | % o exception: return any errors or warnings in this structure. |
| 3667 | % |
| 3668 | */ |
| 3669 | MagickExport Image *ImplodeImage(const Image *image,const double amount, |
| 3670 | ExceptionInfo *exception) |
| 3671 | { |
| 3672 | #define ImplodeImageTag "Implode/Image" |
| 3673 | |
| 3674 | Image |
| 3675 | *implode_image; |
| 3676 | |
| 3677 | long |
| 3678 | progress, |
| 3679 | y; |
| 3680 | |
| 3681 | MagickBooleanType |
| 3682 | status; |
| 3683 | |
| 3684 | MagickPixelPacket |
| 3685 | zero; |
| 3686 | |
| 3687 | MagickRealType |
| 3688 | radius; |
| 3689 | |
| 3690 | PointInfo |
| 3691 | center, |
| 3692 | scale; |
| 3693 | |
| 3694 | ResampleFilter |
| 3695 | **resample_filter; |
| 3696 | |
| 3697 | CacheView |
| 3698 | *image_view, |
| 3699 | *implode_view; |
| 3700 | |
| 3701 | /* |
| 3702 | Initialize implode image attributes. |
| 3703 | */ |
| 3704 | assert(image != (Image *) NULL); |
| 3705 | assert(image->signature == MagickSignature); |
| 3706 | if (image->debug != MagickFalse) |
| 3707 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3708 | assert(exception != (ExceptionInfo *) NULL); |
| 3709 | assert(exception->signature == MagickSignature); |
| 3710 | implode_image=CloneImage(image,0,0,MagickTrue,exception); |
| 3711 | if (implode_image == (Image *) NULL) |
| 3712 | return((Image *) NULL); |
| 3713 | if (SetImageStorageClass(implode_image,DirectClass) == MagickFalse) |
| 3714 | { |
| 3715 | InheritException(exception,&implode_image->exception); |
| 3716 | implode_image=DestroyImage(implode_image); |
| 3717 | return((Image *) NULL); |
| 3718 | } |
| 3719 | if (implode_image->background_color.opacity != OpaqueOpacity) |
| 3720 | implode_image->matte=MagickTrue; |
| 3721 | /* |
| 3722 | Compute scaling factor. |
| 3723 | */ |
| 3724 | scale.x=1.0; |
| 3725 | scale.y=1.0; |
| 3726 | center.x=0.5*image->columns; |
| 3727 | center.y=0.5*image->rows; |
| 3728 | radius=center.x; |
| 3729 | if (image->columns > image->rows) |
| 3730 | scale.y=(double) image->columns/(double) image->rows; |
| 3731 | else |
| 3732 | if (image->columns < image->rows) |
| 3733 | { |
| 3734 | scale.x=(double) image->rows/(double) image->columns; |
| 3735 | radius=center.y; |
| 3736 | } |
| 3737 | /* |
| 3738 | Implode image. |
| 3739 | */ |
| 3740 | status=MagickTrue; |
| 3741 | progress=0; |
| 3742 | GetMagickPixelPacket(implode_image,&zero); |
| 3743 | resample_filter=AcquireResampleFilterThreadSet(image,MagickTrue,exception); |
| 3744 | image_view=AcquireCacheView(image); |
| 3745 | implode_view=AcquireCacheView(implode_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 3746 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3747 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3748 | #endif |
| 3749 | for (y=0; y < (long) image->rows; y++) |
| 3750 | { |
| 3751 | MagickPixelPacket |
| 3752 | pixel; |
| 3753 | |
| 3754 | MagickRealType |
| 3755 | distance; |
| 3756 | |
| 3757 | PointInfo |
| 3758 | delta; |
| 3759 | |
| 3760 | register IndexPacket |
| 3761 | *__restrict implode_indexes; |
| 3762 | |
| 3763 | register long |
| 3764 | id, |
| 3765 | x; |
| 3766 | |
| 3767 | register PixelPacket |
| 3768 | *__restrict q; |
| 3769 | |
| 3770 | if (status == MagickFalse) |
| 3771 | continue; |
| 3772 | q=GetCacheViewAuthenticPixels(implode_view,0,y,implode_image->columns,1, |
| 3773 | exception); |
| 3774 | if (q == (PixelPacket *) NULL) |
| 3775 | { |
| 3776 | status=MagickFalse; |
| 3777 | continue; |
| 3778 | } |
| 3779 | implode_indexes=GetCacheViewAuthenticIndexQueue(implode_view); |
| 3780 | delta.y=scale.y*(double) (y-center.y); |
| 3781 | pixel=zero; |
| 3782 | id=GetOpenMPThreadId(); |
| 3783 | for (x=0; x < (long) image->columns; x++) |
| 3784 | { |
| 3785 | /* |
| 3786 | Determine if the pixel is within an ellipse. |
| 3787 | */ |
| 3788 | delta.x=scale.x*(double) (x-center.x); |
| 3789 | distance=delta.x*delta.x+delta.y*delta.y; |
| 3790 | if (distance < (radius*radius)) |
| 3791 | { |
| 3792 | double |
| 3793 | factor; |
| 3794 | |
| 3795 | /* |
| 3796 | Implode the pixel. |
| 3797 | */ |
| 3798 | factor=1.0; |
| 3799 | if (distance > 0.0) |
| 3800 | factor=pow(sin((double) (MagickPI*sqrt((double) distance)/ |
| 3801 | radius/2)),-amount); |
| 3802 | (void) ResamplePixelColor(resample_filter[id],(double) |
| 3803 | (factor*delta.x/scale.x+center.x),(double) (factor*delta.y/ |
| 3804 | scale.y+center.y),&pixel); |
| 3805 | SetPixelPacket(implode_image,&pixel,q,implode_indexes+x); |
| 3806 | } |
| 3807 | q++; |
| 3808 | } |
| 3809 | if (SyncCacheViewAuthenticPixels(implode_view,exception) == MagickFalse) |
| 3810 | status=MagickFalse; |
| 3811 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 3812 | { |
| 3813 | MagickBooleanType |
| 3814 | proceed; |
| 3815 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 3816 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3817 | #pragma omp critical (MagickCore_ImplodeImage) |
| 3818 | #endif |
| 3819 | proceed=SetImageProgress(image,ImplodeImageTag,progress++,image->rows); |
| 3820 | if (proceed == MagickFalse) |
| 3821 | status=MagickFalse; |
| 3822 | } |
| 3823 | } |
| 3824 | implode_view=DestroyCacheView(implode_view); |
| 3825 | image_view=DestroyCacheView(image_view); |
| 3826 | resample_filter=DestroyResampleFilterThreadSet(resample_filter); |
| 3827 | if (status == MagickFalse) |
| 3828 | implode_image=DestroyImage(implode_image); |
| 3829 | return(implode_image); |
| 3830 | } |
| 3831 | |
| 3832 | /* |
| 3833 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3834 | % % |
| 3835 | % % |
| 3836 | % % |
| 3837 | % M o r p h I m a g e s % |
| 3838 | % % |
| 3839 | % % |
| 3840 | % % |
| 3841 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3842 | % |
| 3843 | % The MorphImages() method requires a minimum of two images. The first |
| 3844 | % image is transformed into the second by a number of intervening images |
| 3845 | % as specified by frames. |
| 3846 | % |
| 3847 | % The format of the MorphImage method is: |
| 3848 | % |
| 3849 | % Image *MorphImages(const Image *image,const unsigned long number_frames, |
| 3850 | % ExceptionInfo *exception) |
| 3851 | % |
| 3852 | % A description of each parameter follows: |
| 3853 | % |
| 3854 | % o image: the image. |
| 3855 | % |
| 3856 | % o number_frames: Define the number of in-between image to generate. |
| 3857 | % The more in-between frames, the smoother the morph. |
| 3858 | % |
| 3859 | % o exception: return any errors or warnings in this structure. |
| 3860 | % |
| 3861 | */ |
| 3862 | MagickExport Image *MorphImages(const Image *image, |
| 3863 | const unsigned long number_frames,ExceptionInfo *exception) |
| 3864 | { |
| 3865 | #define MorphImageTag "Morph/Image" |
| 3866 | |
| 3867 | Image |
| 3868 | *morph_image, |
| 3869 | *morph_images; |
| 3870 | |
| 3871 | long |
| 3872 | y; |
| 3873 | |
| 3874 | MagickOffsetType |
| 3875 | scene; |
| 3876 | |
| 3877 | MagickRealType |
| 3878 | alpha, |
| 3879 | beta; |
| 3880 | |
| 3881 | register const Image |
| 3882 | *next; |
| 3883 | |
| 3884 | register long |
| 3885 | i; |
| 3886 | |
| 3887 | MagickBooleanType |
| 3888 | status; |
| 3889 | |
| 3890 | /* |
| 3891 | Clone first frame in sequence. |
| 3892 | */ |
| 3893 | assert(image != (Image *) NULL); |
| 3894 | assert(image->signature == MagickSignature); |
| 3895 | if (image->debug != MagickFalse) |
| 3896 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3897 | assert(exception != (ExceptionInfo *) NULL); |
| 3898 | assert(exception->signature == MagickSignature); |
| 3899 | morph_images=CloneImage(image,0,0,MagickTrue,exception); |
| 3900 | if (morph_images == (Image *) NULL) |
| 3901 | return((Image *) NULL); |
| 3902 | if (GetNextImageInList(image) == (Image *) NULL) |
| 3903 | { |
| 3904 | /* |
| 3905 | Morph single image. |
| 3906 | */ |
| 3907 | for (i=1; i < (long) number_frames; i++) |
| 3908 | { |
| 3909 | morph_image=CloneImage(image,0,0,MagickTrue,exception); |
| 3910 | if (morph_image == (Image *) NULL) |
| 3911 | { |
| 3912 | morph_images=DestroyImageList(morph_images); |
| 3913 | return((Image *) NULL); |
| 3914 | } |
| 3915 | AppendImageToList(&morph_images,morph_image); |
| 3916 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 3917 | (QuantumTick(i,number_frames) != MagickFalse)) |
| 3918 | { |
| 3919 | status=image->progress_monitor(MorphImageTag,i,number_frames, |
| 3920 | image->client_data); |
| 3921 | if (status == MagickFalse) |
| 3922 | break; |
| 3923 | } |
| 3924 | } |
| 3925 | return(GetFirstImageInList(morph_images)); |
| 3926 | } |
| 3927 | /* |
| 3928 | Morph image sequence. |
| 3929 | */ |
| 3930 | status=MagickTrue; |
| 3931 | scene=0; |
| 3932 | next=image; |
| 3933 | for ( ; GetNextImageInList(next) != (Image *) NULL; next=GetNextImageInList(next)) |
| 3934 | { |
| 3935 | for (i=0; i < (long) number_frames; i++) |
| 3936 | { |
| 3937 | CacheView |
| 3938 | *image_view, |
| 3939 | *morph_view; |
| 3940 | |
| 3941 | beta=(MagickRealType) (i+1.0)/(MagickRealType) (number_frames+1.0); |
| 3942 | alpha=1.0-beta; |
| 3943 | morph_image=ZoomImage(next,(unsigned long) (alpha*next->columns+beta* |
| 3944 | GetNextImageInList(next)->columns+0.5),(unsigned long) (alpha* |
| 3945 | next->rows+beta*GetNextImageInList(next)->rows+0.5),exception); |
| 3946 | if (morph_image == (Image *) NULL) |
| 3947 | { |
| 3948 | morph_images=DestroyImageList(morph_images); |
| 3949 | return((Image *) NULL); |
| 3950 | } |
| 3951 | if (SetImageStorageClass(morph_image,DirectClass) == MagickFalse) |
| 3952 | { |
| 3953 | InheritException(exception,&morph_image->exception); |
| 3954 | morph_image=DestroyImage(morph_image); |
| 3955 | return((Image *) NULL); |
| 3956 | } |
| 3957 | AppendImageToList(&morph_images,morph_image); |
| 3958 | morph_images=GetLastImageInList(morph_images); |
| 3959 | morph_image=ZoomImage(GetNextImageInList(next),morph_images->columns, |
| 3960 | morph_images->rows,exception); |
| 3961 | if (morph_image == (Image *) NULL) |
| 3962 | { |
| 3963 | morph_images=DestroyImageList(morph_images); |
| 3964 | return((Image *) NULL); |
| 3965 | } |
| 3966 | image_view=AcquireCacheView(morph_image); |
| 3967 | morph_view=AcquireCacheView(morph_images); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 3968 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3969 | #pragma omp parallel for schedule(dynamic,4) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3970 | #endif |
| 3971 | for (y=0; y < (long) morph_images->rows; y++) |
| 3972 | { |
| 3973 | MagickBooleanType |
| 3974 | sync; |
| 3975 | |
| 3976 | register const PixelPacket |
| 3977 | *__restrict p; |
| 3978 | |
| 3979 | register long |
| 3980 | x; |
| 3981 | |
| 3982 | register PixelPacket |
| 3983 | *__restrict q; |
| 3984 | |
| 3985 | if (status == MagickFalse) |
| 3986 | continue; |
| 3987 | p=GetCacheViewVirtualPixels(image_view,0,y,morph_image->columns,1, |
| 3988 | exception); |
| 3989 | q=GetCacheViewAuthenticPixels(morph_view,0,y,morph_images->columns,1, |
| 3990 | exception); |
| 3991 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 3992 | { |
| 3993 | status=MagickFalse; |
| 3994 | continue; |
| 3995 | } |
| 3996 | for (x=0; x < (long) morph_images->columns; x++) |
| 3997 | { |
| 3998 | q->red=RoundToQuantum(alpha*q->red+beta*p->red); |
| 3999 | q->green=RoundToQuantum(alpha*q->green+beta*p->green); |
| 4000 | q->blue=RoundToQuantum(alpha*q->blue+beta*p->blue); |
| 4001 | q->opacity=RoundToQuantum(alpha*q->opacity+beta*p->opacity); |
| 4002 | p++; |
| 4003 | q++; |
| 4004 | } |
| 4005 | sync=SyncCacheViewAuthenticPixels(morph_view,exception); |
| 4006 | if (sync == MagickFalse) |
| 4007 | status=MagickFalse; |
| 4008 | } |
| 4009 | morph_view=DestroyCacheView(morph_view); |
| 4010 | image_view=DestroyCacheView(image_view); |
| 4011 | morph_image=DestroyImage(morph_image); |
| 4012 | } |
| 4013 | if (i < (long) number_frames) |
| 4014 | break; |
| 4015 | /* |
| 4016 | Clone last frame in sequence. |
| 4017 | */ |
| 4018 | morph_image=CloneImage(GetNextImageInList(next),0,0,MagickTrue,exception); |
| 4019 | if (morph_image == (Image *) NULL) |
| 4020 | { |
| 4021 | morph_images=DestroyImageList(morph_images); |
| 4022 | return((Image *) NULL); |
| 4023 | } |
| 4024 | AppendImageToList(&morph_images,morph_image); |
| 4025 | morph_images=GetLastImageInList(morph_images); |
| 4026 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4027 | { |
| 4028 | MagickBooleanType |
| 4029 | proceed; |
| 4030 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4031 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4032 | #pragma omp critical (MagickCore_MorphImages) |
| 4033 | #endif |
| 4034 | proceed=SetImageProgress(image,MorphImageTag,scene, |
| 4035 | GetImageListLength(image)); |
| 4036 | if (proceed == MagickFalse) |
| 4037 | status=MagickFalse; |
| 4038 | } |
| 4039 | scene++; |
| 4040 | } |
| 4041 | if (GetNextImageInList(next) != (Image *) NULL) |
| 4042 | { |
| 4043 | morph_images=DestroyImageList(morph_images); |
| 4044 | return((Image *) NULL); |
| 4045 | } |
| 4046 | return(GetFirstImageInList(morph_images)); |
| 4047 | } |
| 4048 | |
| 4049 | /* |
| 4050 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4051 | % % |
| 4052 | % % |
| 4053 | % % |
| 4054 | % P l a s m a I m a g e % |
| 4055 | % % |
| 4056 | % % |
| 4057 | % % |
| 4058 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4059 | % |
| 4060 | % PlasmaImage() initializes an image with plasma fractal values. The image |
| 4061 | % must be initialized with a base color and the random number generator |
| 4062 | % seeded before this method is called. |
| 4063 | % |
| 4064 | % The format of the PlasmaImage method is: |
| 4065 | % |
| 4066 | % MagickBooleanType PlasmaImage(Image *image,const SegmentInfo *segment, |
| 4067 | % unsigned long attenuate,unsigned long depth) |
| 4068 | % |
| 4069 | % A description of each parameter follows: |
| 4070 | % |
| 4071 | % o image: the image. |
| 4072 | % |
| 4073 | % o segment: Define the region to apply plasma fractals values. |
| 4074 | % |
| 4075 | % o attenuate: Define the plasmattenuation factor. |
| 4076 | % |
| 4077 | % o depth: Limit the plasma recursion depth. |
| 4078 | % |
| 4079 | */ |
| 4080 | |
| 4081 | static inline Quantum PlasmaPixel(RandomInfo *random_info, |
| 4082 | const MagickRealType pixel,const MagickRealType noise) |
| 4083 | { |
| 4084 | Quantum |
| 4085 | plasma; |
| 4086 | |
| 4087 | plasma=RoundToQuantum(pixel+noise*GetPseudoRandomValue(random_info)- |
| 4088 | noise/2.0); |
| 4089 | return(plasma); |
| 4090 | } |
| 4091 | |
| 4092 | MagickExport MagickBooleanType PlasmaImageProxy(Image *image, |
| 4093 | RandomInfo *random_info,const SegmentInfo *segment,unsigned long attenuate, |
| 4094 | unsigned long depth) |
| 4095 | { |
| 4096 | ExceptionInfo |
| 4097 | *exception; |
| 4098 | |
| 4099 | long |
| 4100 | x, |
| 4101 | x_mid, |
| 4102 | y, |
| 4103 | y_mid; |
| 4104 | |
| 4105 | MagickRealType |
| 4106 | plasma; |
| 4107 | |
| 4108 | PixelPacket |
| 4109 | u, |
| 4110 | v; |
| 4111 | |
| 4112 | if (((segment->x2-segment->x1) == 0.0) && ((segment->y2-segment->y1) == 0.0)) |
| 4113 | return(MagickTrue); |
| 4114 | if (depth != 0) |
| 4115 | { |
| 4116 | SegmentInfo |
| 4117 | local_info; |
| 4118 | |
| 4119 | /* |
| 4120 | Divide the area into quadrants and recurse. |
| 4121 | */ |
| 4122 | depth--; |
| 4123 | attenuate++; |
| 4124 | x_mid=(long) (segment->x1+segment->x2+0.5)/2; |
| 4125 | y_mid=(long) (segment->y1+segment->y2+0.5)/2; |
| 4126 | local_info=(*segment); |
| 4127 | local_info.x2=(double) x_mid; |
| 4128 | local_info.y2=(double) y_mid; |
| 4129 | (void) PlasmaImageProxy(image,random_info,&local_info,attenuate,depth); |
| 4130 | local_info=(*segment); |
| 4131 | local_info.y1=(double) y_mid; |
| 4132 | local_info.x2=(double) x_mid; |
| 4133 | (void) PlasmaImageProxy(image,random_info,&local_info,attenuate,depth); |
| 4134 | local_info=(*segment); |
| 4135 | local_info.x1=(double) x_mid; |
| 4136 | local_info.y2=(double) y_mid; |
| 4137 | (void) PlasmaImageProxy(image,random_info,&local_info,attenuate,depth); |
| 4138 | local_info=(*segment); |
| 4139 | local_info.x1=(double) x_mid; |
| 4140 | local_info.y1=(double) y_mid; |
| 4141 | return(PlasmaImageProxy(image,random_info,&local_info,attenuate,depth)); |
| 4142 | } |
| 4143 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 4144 | return(MagickFalse); |
| 4145 | x_mid=(long) (segment->x1+segment->x2+0.5)/2; |
| 4146 | y_mid=(long) (segment->y1+segment->y2+0.5)/2; |
| 4147 | if ((segment->x1 == (double) x_mid) && (segment->x2 == (double) x_mid) && |
| 4148 | (segment->y1 == (double) y_mid) && (segment->y2 == (double) y_mid)) |
| 4149 | return(MagickFalse); |
| 4150 | /* |
| 4151 | Average pixels and apply plasma. |
| 4152 | */ |
| 4153 | exception=(&image->exception); |
| 4154 | plasma=(MagickRealType) QuantumRange/(2.0*attenuate); |
| 4155 | if ((segment->x1 != (double) x_mid) || (segment->x2 != (double) x_mid)) |
| 4156 | { |
| 4157 | register PixelPacket |
| 4158 | *__restrict q; |
| 4159 | |
| 4160 | /* |
| 4161 | Left pixel. |
| 4162 | */ |
| 4163 | x=(long) (segment->x1+0.5); |
| 4164 | (void) GetOneVirtualPixel(image,x,(long) (segment->y1+0.5),&u,exception); |
| 4165 | (void) GetOneVirtualPixel(image,x,(long) (segment->y2+0.5),&v,exception); |
| 4166 | q=QueueAuthenticPixels(image,x,y_mid,1,1,exception); |
| 4167 | if (q == (PixelPacket *) NULL) |
| 4168 | return(MagickTrue); |
| 4169 | q->red=PlasmaPixel(random_info,(MagickRealType) (u.red+v.red)/2.0, |
| 4170 | plasma); |
| 4171 | q->green=PlasmaPixel(random_info,(MagickRealType) (u.green+v.green)/2.0, |
| 4172 | plasma); |
| 4173 | q->blue=PlasmaPixel(random_info,(MagickRealType) (u.blue+v.blue)/2.0, |
| 4174 | plasma); |
| 4175 | (void) SyncAuthenticPixels(image,exception); |
| 4176 | if (segment->x1 != segment->x2) |
| 4177 | { |
| 4178 | /* |
| 4179 | Right pixel. |
| 4180 | */ |
| 4181 | x=(long) (segment->x2+0.5); |
| 4182 | (void) GetOneVirtualPixel(image,x,(long) (segment->y1+0.5),&u, |
| 4183 | exception); |
| 4184 | (void) GetOneVirtualPixel(image,x,(long) (segment->y2+0.5),&v, |
| 4185 | exception); |
| 4186 | q=QueueAuthenticPixels(image,x,y_mid,1,1,exception); |
| 4187 | if (q == (PixelPacket *) NULL) |
| 4188 | return(MagickTrue); |
| 4189 | q->red=PlasmaPixel(random_info,(MagickRealType) (u.red+v.red)/2.0, |
| 4190 | plasma); |
| 4191 | q->green=PlasmaPixel(random_info,(MagickRealType) (u.green+v.green)/ |
| 4192 | 2.0,plasma); |
| 4193 | q->blue=PlasmaPixel(random_info,(MagickRealType) (u.blue+v.blue)/2.0, |
| 4194 | plasma); |
| 4195 | (void) SyncAuthenticPixels(image,exception); |
| 4196 | } |
| 4197 | } |
| 4198 | if ((segment->y1 != (double) y_mid) || (segment->y2 != (double) y_mid)) |
| 4199 | { |
| 4200 | if ((segment->x1 != (double) x_mid) || (segment->y2 != (double) y_mid)) |
| 4201 | { |
| 4202 | register PixelPacket |
| 4203 | *__restrict q; |
| 4204 | |
| 4205 | /* |
| 4206 | Bottom pixel. |
| 4207 | */ |
| 4208 | y=(long) (segment->y2+0.5); |
| 4209 | (void) GetOneVirtualPixel(image,(long) (segment->x1+0.5),y,&u, |
| 4210 | exception); |
| 4211 | (void) GetOneVirtualPixel(image,(long) (segment->x2+0.5),y,&v, |
| 4212 | exception); |
| 4213 | q=QueueAuthenticPixels(image,x_mid,y,1,1,exception); |
| 4214 | if (q == (PixelPacket *) NULL) |
| 4215 | return(MagickTrue); |
| 4216 | q->red=PlasmaPixel(random_info,(MagickRealType) (u.red+v.red)/2.0, |
| 4217 | plasma); |
| 4218 | q->green=PlasmaPixel(random_info,(MagickRealType) (u.green+v.green)/ |
| 4219 | 2.0,plasma); |
| 4220 | q->blue=PlasmaPixel(random_info,(MagickRealType) (u.blue+v.blue)/2.0, |
| 4221 | plasma); |
| 4222 | (void) SyncAuthenticPixels(image,exception); |
| 4223 | } |
| 4224 | if (segment->y1 != segment->y2) |
| 4225 | { |
| 4226 | register PixelPacket |
| 4227 | *__restrict q; |
| 4228 | |
| 4229 | /* |
| 4230 | Top pixel. |
| 4231 | */ |
| 4232 | y=(long) (segment->y1+0.5); |
| 4233 | (void) GetOneVirtualPixel(image,(long) (segment->x1+0.5),y,&u, |
| 4234 | exception); |
| 4235 | (void) GetOneVirtualPixel(image,(long) (segment->x2+0.5),y,&v, |
| 4236 | exception); |
| 4237 | q=QueueAuthenticPixels(image,x_mid,y,1,1,exception); |
| 4238 | if (q == (PixelPacket *) NULL) |
| 4239 | return(MagickTrue); |
| 4240 | q->red=PlasmaPixel(random_info,(MagickRealType) (u.red+v.red)/2.0, |
| 4241 | plasma); |
| 4242 | q->green=PlasmaPixel(random_info,(MagickRealType) (u.green+v.green)/ |
| 4243 | 2.0,plasma); |
| 4244 | q->blue=PlasmaPixel(random_info,(MagickRealType) (u.blue+v.blue)/2.0, |
| 4245 | plasma); |
| 4246 | (void) SyncAuthenticPixels(image,exception); |
| 4247 | } |
| 4248 | } |
| 4249 | if ((segment->x1 != segment->x2) || (segment->y1 != segment->y2)) |
| 4250 | { |
| 4251 | register PixelPacket |
| 4252 | *__restrict q; |
| 4253 | |
| 4254 | /* |
| 4255 | Middle pixel. |
| 4256 | */ |
| 4257 | x=(long) (segment->x1+0.5); |
| 4258 | y=(long) (segment->y1+0.5); |
| 4259 | (void) GetOneVirtualPixel(image,x,y,&u,exception); |
| 4260 | x=(long) (segment->x2+0.5); |
| 4261 | y=(long) (segment->y2+0.5); |
| 4262 | (void) GetOneVirtualPixel(image,x,y,&v,exception); |
| 4263 | q=QueueAuthenticPixels(image,x_mid,y_mid,1,1,exception); |
| 4264 | if (q == (PixelPacket *) NULL) |
| 4265 | return(MagickTrue); |
| 4266 | q->red=PlasmaPixel(random_info,(MagickRealType) (u.red+v.red)/2.0, |
| 4267 | plasma); |
| 4268 | q->green=PlasmaPixel(random_info,(MagickRealType) (u.green+v.green)/2.0, |
| 4269 | plasma); |
| 4270 | q->blue=PlasmaPixel(random_info,(MagickRealType) (u.blue+v.blue)/2.0, |
| 4271 | plasma); |
| 4272 | (void) SyncAuthenticPixels(image,exception); |
| 4273 | } |
| 4274 | if (((segment->x2-segment->x1) < 3.0) && ((segment->y2-segment->y1) < 3.0)) |
| 4275 | return(MagickTrue); |
| 4276 | return(MagickFalse); |
| 4277 | } |
| 4278 | |
| 4279 | MagickExport MagickBooleanType PlasmaImage(Image *image, |
| 4280 | const SegmentInfo *segment,unsigned long attenuate,unsigned long depth) |
| 4281 | { |
| 4282 | MagickBooleanType |
| 4283 | status; |
| 4284 | |
| 4285 | RandomInfo |
| 4286 | *random_info; |
| 4287 | |
| 4288 | if (image->debug != MagickFalse) |
| 4289 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 4290 | assert(image != (Image *) NULL); |
| 4291 | assert(image->signature == MagickSignature); |
| 4292 | if (image->debug != MagickFalse) |
| 4293 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 4294 | random_info=AcquireRandomInfo(); |
| 4295 | status=PlasmaImageProxy(image,random_info,segment,attenuate,depth); |
| 4296 | random_info=DestroyRandomInfo(random_info); |
| 4297 | return(status); |
| 4298 | } |
| 4299 | |
| 4300 | /* |
| 4301 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4302 | % % |
| 4303 | % % |
| 4304 | % % |
| 4305 | % P o l a r o i d I m a g e % |
| 4306 | % % |
| 4307 | % % |
| 4308 | % % |
| 4309 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4310 | % |
| 4311 | % PolaroidImage() simulates a Polaroid picture. |
| 4312 | % |
| 4313 | % The format of the AnnotateImage method is: |
| 4314 | % |
| 4315 | % Image *PolaroidImage(const Image *image,const DrawInfo *draw_info, |
| 4316 | % const double angle,ExceptionInfo exception) |
| 4317 | % |
| 4318 | % A description of each parameter follows: |
| 4319 | % |
| 4320 | % o image: the image. |
| 4321 | % |
| 4322 | % o draw_info: the draw info. |
| 4323 | % |
| 4324 | % o angle: Apply the effect along this angle. |
| 4325 | % |
| 4326 | % o exception: return any errors or warnings in this structure. |
| 4327 | % |
| 4328 | */ |
| 4329 | MagickExport Image *PolaroidImage(const Image *image,const DrawInfo *draw_info, |
| 4330 | const double angle,ExceptionInfo *exception) |
| 4331 | { |
| 4332 | const char |
| 4333 | *value; |
| 4334 | |
| 4335 | long |
| 4336 | quantum; |
| 4337 | |
| 4338 | Image |
| 4339 | *bend_image, |
| 4340 | *caption_image, |
| 4341 | *flop_image, |
| 4342 | *picture_image, |
| 4343 | *polaroid_image, |
| 4344 | *rotate_image, |
| 4345 | *trim_image; |
| 4346 | |
| 4347 | unsigned long |
| 4348 | height; |
| 4349 | |
| 4350 | /* |
| 4351 | Simulate a Polaroid picture. |
| 4352 | */ |
| 4353 | assert(image != (Image *) NULL); |
| 4354 | assert(image->signature == MagickSignature); |
| 4355 | if (image->debug != MagickFalse) |
| 4356 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4357 | assert(exception != (ExceptionInfo *) NULL); |
| 4358 | assert(exception->signature == MagickSignature); |
| 4359 | quantum=(long) MagickMax(MagickMax((double) image->columns,(double) |
| 4360 | image->rows)/25.0,10.0); |
| 4361 | height=image->rows+2*quantum; |
| 4362 | caption_image=(Image *) NULL; |
| 4363 | value=GetImageProperty(image,"Caption"); |
| 4364 | if (value != (const char *) NULL) |
| 4365 | { |
| 4366 | char |
| 4367 | *caption, |
| 4368 | geometry[MaxTextExtent]; |
| 4369 | |
| 4370 | DrawInfo |
| 4371 | *annotate_info; |
| 4372 | |
| 4373 | long |
| 4374 | count; |
| 4375 | |
| 4376 | MagickBooleanType |
| 4377 | status; |
| 4378 | |
| 4379 | TypeMetric |
| 4380 | metrics; |
| 4381 | |
| 4382 | /* |
| 4383 | Generate caption image. |
| 4384 | */ |
| 4385 | caption_image=CloneImage(image,image->columns,1,MagickTrue,exception); |
| 4386 | if (caption_image == (Image *) NULL) |
| 4387 | return((Image *) NULL); |
| 4388 | annotate_info=CloneDrawInfo((const ImageInfo *) NULL,draw_info); |
| 4389 | caption=InterpretImageProperties((ImageInfo *) NULL,(Image *) image, |
| 4390 | value); |
| 4391 | (void) CloneString(&annotate_info->text,caption); |
| 4392 | count=FormatMagickCaption(caption_image,annotate_info,&metrics,&caption); |
| 4393 | status=SetImageExtent(caption_image,image->columns,(unsigned long) |
| 4394 | ((count+1)*(metrics.ascent-metrics.descent)+0.5)); |
| 4395 | if (status == MagickFalse) |
| 4396 | caption_image=DestroyImage(caption_image); |
| 4397 | else |
| 4398 | { |
| 4399 | caption_image->background_color=image->border_color; |
| 4400 | (void) SetImageBackgroundColor(caption_image); |
| 4401 | (void) CloneString(&annotate_info->text,caption); |
| 4402 | (void) FormatMagickString(geometry,MaxTextExtent,"+0+%g", |
| 4403 | metrics.ascent); |
| 4404 | if (annotate_info->gravity == UndefinedGravity) |
| 4405 | (void) CloneString(&annotate_info->geometry,AcquireString( |
| 4406 | geometry)); |
| 4407 | (void) AnnotateImage(caption_image,annotate_info); |
| 4408 | height+=caption_image->rows; |
| 4409 | } |
| 4410 | annotate_info=DestroyDrawInfo(annotate_info); |
| 4411 | caption=DestroyString(caption); |
| 4412 | } |
| 4413 | picture_image=CloneImage(image,image->columns+2*quantum,height,MagickTrue, |
| 4414 | exception); |
| 4415 | if (picture_image == (Image *) NULL) |
| 4416 | { |
| 4417 | if (caption_image != (Image *) NULL) |
| 4418 | caption_image=DestroyImage(caption_image); |
| 4419 | return((Image *) NULL); |
| 4420 | } |
| 4421 | picture_image->background_color=image->border_color; |
| 4422 | (void) SetImageBackgroundColor(picture_image); |
| 4423 | (void) CompositeImage(picture_image,OverCompositeOp,image,quantum,quantum); |
| 4424 | if (caption_image != (Image *) NULL) |
| 4425 | { |
| 4426 | (void) CompositeImage(picture_image,OverCompositeOp,caption_image, |
| 4427 | quantum,(long) (image->rows+3*quantum/2)); |
| 4428 | caption_image=DestroyImage(caption_image); |
| 4429 | } |
| 4430 | (void) QueryColorDatabase("none",&picture_image->background_color,exception); |
| 4431 | (void) SetImageAlphaChannel(picture_image,OpaqueAlphaChannel); |
| 4432 | rotate_image=RotateImage(picture_image,90.0,exception); |
| 4433 | picture_image=DestroyImage(picture_image); |
| 4434 | if (rotate_image == (Image *) NULL) |
| 4435 | return((Image *) NULL); |
| 4436 | picture_image=rotate_image; |
| 4437 | bend_image=WaveImage(picture_image,0.01*picture_image->rows,2.0* |
| 4438 | picture_image->columns,exception); |
| 4439 | picture_image=DestroyImage(picture_image); |
| 4440 | if (bend_image == (Image *) NULL) |
| 4441 | return((Image *) NULL); |
| 4442 | InheritException(&bend_image->exception,exception); |
| 4443 | picture_image=bend_image; |
| 4444 | rotate_image=RotateImage(picture_image,-90.0,exception); |
| 4445 | picture_image=DestroyImage(picture_image); |
| 4446 | if (rotate_image == (Image *) NULL) |
| 4447 | return((Image *) NULL); |
| 4448 | picture_image=rotate_image; |
| 4449 | picture_image->background_color=image->background_color; |
| 4450 | polaroid_image=ShadowImage(picture_image,80.0,2.0,quantum/3,quantum/3, |
| 4451 | exception); |
| 4452 | if (polaroid_image == (Image *) NULL) |
| 4453 | { |
| 4454 | picture_image=DestroyImage(picture_image); |
| 4455 | return(picture_image); |
| 4456 | } |
| 4457 | flop_image=FlopImage(polaroid_image,exception); |
| 4458 | polaroid_image=DestroyImage(polaroid_image); |
| 4459 | if (flop_image == (Image *) NULL) |
| 4460 | { |
| 4461 | picture_image=DestroyImage(picture_image); |
| 4462 | return(picture_image); |
| 4463 | } |
| 4464 | polaroid_image=flop_image; |
| 4465 | (void) CompositeImage(polaroid_image,OverCompositeOp,picture_image, |
| 4466 | (long) (-0.01*picture_image->columns/2.0),0L); |
| 4467 | picture_image=DestroyImage(picture_image); |
| 4468 | (void) QueryColorDatabase("none",&polaroid_image->background_color,exception); |
| 4469 | rotate_image=RotateImage(polaroid_image,angle,exception); |
| 4470 | polaroid_image=DestroyImage(polaroid_image); |
| 4471 | if (rotate_image == (Image *) NULL) |
| 4472 | return((Image *) NULL); |
| 4473 | polaroid_image=rotate_image; |
| 4474 | trim_image=TrimImage(polaroid_image,exception); |
| 4475 | polaroid_image=DestroyImage(polaroid_image); |
| 4476 | if (trim_image == (Image *) NULL) |
| 4477 | return((Image *) NULL); |
| 4478 | polaroid_image=trim_image; |
| 4479 | return(polaroid_image); |
| 4480 | } |
| 4481 | |
| 4482 | /* |
| 4483 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4484 | % % |
| 4485 | % % |
| 4486 | % % |
| 4487 | % R e c o l o r I m a g e % |
| 4488 | % % |
| 4489 | % % |
| 4490 | % % |
| 4491 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4492 | % |
| 4493 | % RecolorImage() translate, scale, shear, or rotate image colors. Although |
| 4494 | % you can use variable sized matrices, typically you use a 5 x 5 for an RGBA |
| 4495 | % image and a 6x6 for CMYKA. Populate the last row with normalized values to |
| 4496 | % translate. |
| 4497 | % |
| 4498 | % The format of the RecolorImage method is: |
| 4499 | % |
| 4500 | % Image *RecolorImage(const Image *image,const unsigned long order, |
| 4501 | % const double *color_matrix,ExceptionInfo *exception) |
| 4502 | % |
| 4503 | % A description of each parameter follows: |
| 4504 | % |
| 4505 | % o image: the image. |
| 4506 | % |
| 4507 | % o order: the number of columns and rows in the recolor matrix. |
| 4508 | % |
| 4509 | % o color_matrix: An array of double representing the recolor matrix. |
| 4510 | % |
| 4511 | % o exception: return any errors or warnings in this structure. |
| 4512 | % |
| 4513 | */ |
| 4514 | MagickExport Image *RecolorImage(const Image *image,const unsigned long order, |
| 4515 | const double *color_matrix,ExceptionInfo *exception) |
| 4516 | { |
| 4517 | #define RecolorImageTag "Recolor/Image" |
| 4518 | |
| 4519 | Image |
| 4520 | *recolor_image; |
| 4521 | |
| 4522 | long |
| 4523 | progress, |
| 4524 | y; |
| 4525 | |
| 4526 | MagickBooleanType |
| 4527 | status; |
| 4528 | |
| 4529 | MagickPixelPacket |
| 4530 | zero; |
| 4531 | |
| 4532 | register const double |
| 4533 | *k; |
| 4534 | |
| 4535 | CacheView |
| 4536 | *image_view, |
| 4537 | *recolor_view; |
| 4538 | |
| 4539 | /* |
| 4540 | Initialize image attributes. |
| 4541 | */ |
| 4542 | assert(image != (Image *) NULL); |
| 4543 | assert(image->signature == MagickSignature); |
| 4544 | if (image->debug != MagickFalse) |
| 4545 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4546 | assert(exception != (ExceptionInfo *) NULL); |
| 4547 | assert(exception->signature == MagickSignature); |
| 4548 | recolor_image=CloneImage(image,image->columns,image->rows,MagickTrue, |
| 4549 | exception); |
| 4550 | if (recolor_image == (Image *) NULL) |
| 4551 | return((Image *) NULL); |
| 4552 | if (SetImageStorageClass(recolor_image,DirectClass) == MagickFalse) |
| 4553 | { |
| 4554 | InheritException(exception,&recolor_image->exception); |
| 4555 | recolor_image=DestroyImage(recolor_image); |
| 4556 | return((Image *) NULL); |
| 4557 | } |
| 4558 | if (image->debug != MagickFalse) |
| 4559 | { |
| 4560 | char |
| 4561 | format[MaxTextExtent], |
| 4562 | *message; |
| 4563 | |
| 4564 | long |
| 4565 | u, |
| 4566 | v; |
| 4567 | |
| 4568 | (void) LogMagickEvent(TransformEvent,GetMagickModule(), |
| 4569 | " Recolor image with %ldx%ld color matrix:",order,order); |
| 4570 | message=AcquireString(""); |
| 4571 | k=color_matrix; |
| 4572 | for (v=0; v < (long) order; v++) |
| 4573 | { |
| 4574 | *message='\0'; |
| 4575 | (void) FormatMagickString(format,MaxTextExtent,"%ld: ",v); |
| 4576 | (void) ConcatenateString(&message,format); |
| 4577 | for (u=0; u < (long) order; u++) |
| 4578 | { |
| 4579 | (void) FormatMagickString(format,MaxTextExtent,"%+f ",*k++); |
| 4580 | (void) ConcatenateString(&message,format); |
| 4581 | } |
| 4582 | (void) LogMagickEvent(TransformEvent,GetMagickModule(),"%s",message); |
| 4583 | } |
| 4584 | message=DestroyString(message); |
| 4585 | } |
| 4586 | /* |
| 4587 | Recolor image. |
| 4588 | */ |
| 4589 | status=MagickTrue; |
| 4590 | progress=0; |
| 4591 | GetMagickPixelPacket(image,&zero); |
| 4592 | k=color_matrix; |
| 4593 | image_view=AcquireCacheView(image); |
| 4594 | recolor_view=AcquireCacheView(recolor_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4595 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4596 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4597 | #endif |
| 4598 | for (y=0; y < (long) image->rows; y++) |
| 4599 | { |
| 4600 | MagickPixelPacket |
| 4601 | pixel, |
| 4602 | recolor_pixel; |
| 4603 | |
| 4604 | register const IndexPacket |
| 4605 | *__restrict indexes; |
| 4606 | |
| 4607 | register const PixelPacket |
| 4608 | *__restrict p; |
| 4609 | |
| 4610 | register long |
| 4611 | x; |
| 4612 | |
| 4613 | register IndexPacket |
| 4614 | *__restrict recolor_indexes; |
| 4615 | |
| 4616 | register PixelPacket |
| 4617 | *__restrict q; |
| 4618 | |
| 4619 | if (status == MagickFalse) |
| 4620 | continue; |
| 4621 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 4622 | q=QueueCacheViewAuthenticPixels(recolor_view,0,y,recolor_image->columns,1, |
| 4623 | exception); |
| 4624 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 4625 | { |
| 4626 | status=MagickFalse; |
| 4627 | continue; |
| 4628 | } |
| 4629 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 4630 | recolor_indexes=GetCacheViewAuthenticIndexQueue(recolor_view); |
| 4631 | pixel=zero; |
| 4632 | recolor_pixel=zero; |
| 4633 | for (x=0; x < (long) image->columns; x++) |
| 4634 | { |
| 4635 | SetMagickPixelPacket(image,p,indexes,&pixel); |
| 4636 | SetMagickPixelPacket(recolor_image,p,indexes,&recolor_pixel); |
| 4637 | switch (order) |
| 4638 | { |
| 4639 | case 0: |
| 4640 | break; |
| 4641 | case 1: |
| 4642 | { |
| 4643 | recolor_pixel.red=k[0]*pixel.red; |
| 4644 | break; |
| 4645 | } |
| 4646 | case 2: |
| 4647 | { |
| 4648 | recolor_pixel.red=k[0]*pixel.red+k[1]*pixel.green; |
| 4649 | recolor_pixel.green=k[2]*pixel.red+k[3]*pixel.green; |
| 4650 | break; |
| 4651 | } |
| 4652 | case 3: |
| 4653 | { |
| 4654 | recolor_pixel.red=k[0]*pixel.red+k[1]*pixel.green+k[2]*pixel.blue; |
| 4655 | recolor_pixel.green=k[3]*pixel.red+k[4]*pixel.green+k[5]*pixel.blue; |
| 4656 | recolor_pixel.blue=k[6]*pixel.red+k[7]*pixel.green+k[8]*pixel.blue; |
| 4657 | break; |
| 4658 | } |
| 4659 | case 4: |
| 4660 | { |
| 4661 | recolor_pixel.red=k[0]*pixel.red+k[1]*pixel.green+k[2]*pixel.blue+ |
| 4662 | k[12]*QuantumRange; |
| 4663 | recolor_pixel.green=k[4]*pixel.red+k[5]*pixel.green+k[6]*pixel.blue+ |
| 4664 | k[13]*QuantumRange; |
| 4665 | recolor_pixel.blue=k[8]*pixel.red+k[9]*pixel.green+k[10]*pixel.blue+ |
| 4666 | k[14]*QuantumRange; |
| 4667 | break; |
| 4668 | } |
| 4669 | case 5: |
| 4670 | { |
| 4671 | recolor_pixel.red=k[0]*pixel.red+k[1]*pixel.green+k[2]*pixel.blue+ |
| 4672 | k[3]*(QuantumRange-pixel.opacity)+k[20]*QuantumRange; |
| 4673 | recolor_pixel.green=k[5]*pixel.red+k[6]*pixel.green+k[7]*pixel.blue+ |
| 4674 | k[8]*(QuantumRange-pixel.opacity)+k[21]*QuantumRange; |
| 4675 | recolor_pixel.blue=k[10]*pixel.red+k[11]*pixel.green+k[12]*pixel.blue+ |
| 4676 | k[13]*(QuantumRange-pixel.opacity)+k[22]*QuantumRange; |
| 4677 | recolor_pixel.opacity=(MagickRealType) QuantumRange-(k[15]*pixel.red+ |
| 4678 | k[16]*pixel.green+k[17]*pixel.blue+k[18]*(QuantumRange- |
| 4679 | pixel.opacity)+k[23]*QuantumRange); |
| 4680 | break; |
| 4681 | } |
| 4682 | default: |
| 4683 | { |
| 4684 | recolor_pixel.red=k[0]*pixel.red+k[1]*pixel.green+k[2]*pixel.blue+ |
| 4685 | k[3]*pixel.index+k[4]*((Quantum) QuantumRange-pixel.opacity)+ |
| 4686 | k[30]*QuantumRange; |
| 4687 | recolor_pixel.green=k[6]*pixel.red+k[7]*pixel.green+k[8]*pixel.blue+ |
| 4688 | k[9]*pixel.index+k[10]*((Quantum) QuantumRange-pixel.opacity)+ |
| 4689 | k[31]*QuantumRange; |
| 4690 | recolor_pixel.blue=k[12]*pixel.red+k[13]*pixel.green+k[14]*pixel.blue+ |
| 4691 | k[15]*pixel.index+k[16]*((Quantum) QuantumRange-pixel.opacity)+ |
| 4692 | k[32]*QuantumRange; |
| 4693 | if (image->colorspace == CMYKColorspace) |
| 4694 | recolor_pixel.index=k[18]*pixel.red+k[19]*pixel.green+k[20]* |
| 4695 | pixel.blue+k[21]*pixel.index+k[22]*((Quantum) QuantumRange- |
| 4696 | pixel.opacity)+k[33]*QuantumRange; |
| 4697 | recolor_pixel.opacity=(MagickRealType) QuantumRange-(k[24]*pixel.red+ |
| 4698 | k[25]*pixel.green+k[26]*pixel.blue+k[27]*pixel.index+k[28]* |
| 4699 | (QuantumRange-pixel.opacity)+k[34]*QuantumRange); |
| 4700 | break; |
| 4701 | } |
| 4702 | } |
| 4703 | q->red=RoundToQuantum(recolor_pixel.red); |
| 4704 | q->green=RoundToQuantum(recolor_pixel.green); |
| 4705 | q->blue=RoundToQuantum(recolor_pixel.blue); |
| 4706 | q->opacity=RoundToQuantum(recolor_pixel.opacity); |
| 4707 | if (image->colorspace == CMYKColorspace) |
| 4708 | recolor_indexes[x]=RoundToQuantum(recolor_pixel.index); |
| 4709 | p++; |
| 4710 | q++; |
| 4711 | } |
| 4712 | if (SyncCacheViewAuthenticPixels(recolor_view,exception) == MagickFalse) |
| 4713 | status=MagickFalse; |
| 4714 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4715 | { |
| 4716 | MagickBooleanType |
| 4717 | proceed; |
| 4718 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4719 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4720 | #pragma omp critical (MagickCore_RecolorImage) |
| 4721 | #endif |
| 4722 | proceed=SetImageProgress(image,RecolorImageTag,progress++,image->rows); |
| 4723 | if (proceed == MagickFalse) |
| 4724 | status=MagickFalse; |
| 4725 | } |
| 4726 | } |
| 4727 | recolor_view=DestroyCacheView(recolor_view); |
| 4728 | image_view=DestroyCacheView(image_view); |
| 4729 | if (status == MagickFalse) |
| 4730 | recolor_image=DestroyImage(recolor_image); |
| 4731 | return(recolor_image); |
| 4732 | } |
| 4733 | |
| 4734 | /* |
| 4735 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4736 | % % |
| 4737 | % % |
| 4738 | % % |
| 4739 | % S e p i a T o n e I m a g e % |
| 4740 | % % |
| 4741 | % % |
| 4742 | % % |
| 4743 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4744 | % |
| 4745 | % MagickSepiaToneImage() applies a special effect to the image, similar to the |
| 4746 | % effect achieved in a photo darkroom by sepia toning. Threshold ranges from |
| 4747 | % 0 to QuantumRange and is a measure of the extent of the sepia toning. A |
| 4748 | % threshold of 80% is a good starting point for a reasonable tone. |
| 4749 | % |
| 4750 | % The format of the SepiaToneImage method is: |
| 4751 | % |
| 4752 | % Image *SepiaToneImage(const Image *image,const double threshold, |
| 4753 | % ExceptionInfo *exception) |
| 4754 | % |
| 4755 | % A description of each parameter follows: |
| 4756 | % |
| 4757 | % o image: the image. |
| 4758 | % |
| 4759 | % o threshold: the tone threshold. |
| 4760 | % |
| 4761 | % o exception: return any errors or warnings in this structure. |
| 4762 | % |
| 4763 | */ |
| 4764 | MagickExport Image *SepiaToneImage(const Image *image,const double threshold, |
| 4765 | ExceptionInfo *exception) |
| 4766 | { |
| 4767 | #define SepiaToneImageTag "SepiaTone/Image" |
| 4768 | |
| 4769 | Image |
| 4770 | *sepia_image; |
| 4771 | |
| 4772 | long |
| 4773 | progress, |
| 4774 | y; |
| 4775 | |
| 4776 | MagickBooleanType |
| 4777 | status; |
| 4778 | |
| 4779 | CacheView |
| 4780 | *image_view, |
| 4781 | *sepia_view; |
| 4782 | |
| 4783 | /* |
| 4784 | Initialize sepia-toned image attributes. |
| 4785 | */ |
| 4786 | assert(image != (const Image *) NULL); |
| 4787 | assert(image->signature == MagickSignature); |
| 4788 | if (image->debug != MagickFalse) |
| 4789 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4790 | assert(exception != (ExceptionInfo *) NULL); |
| 4791 | assert(exception->signature == MagickSignature); |
| 4792 | sepia_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 4793 | if (sepia_image == (Image *) NULL) |
| 4794 | return((Image *) NULL); |
| 4795 | if (SetImageStorageClass(sepia_image,DirectClass) == MagickFalse) |
| 4796 | { |
| 4797 | InheritException(exception,&sepia_image->exception); |
| 4798 | sepia_image=DestroyImage(sepia_image); |
| 4799 | return((Image *) NULL); |
| 4800 | } |
| 4801 | /* |
| 4802 | Tone each row of the image. |
| 4803 | */ |
| 4804 | status=MagickTrue; |
| 4805 | progress=0; |
| 4806 | image_view=AcquireCacheView(image); |
| 4807 | sepia_view=AcquireCacheView(sepia_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4808 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4809 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4810 | #endif |
| 4811 | for (y=0; y < (long) image->rows; y++) |
| 4812 | { |
| 4813 | register const PixelPacket |
| 4814 | *__restrict p; |
| 4815 | |
| 4816 | register long |
| 4817 | x; |
| 4818 | |
| 4819 | register PixelPacket |
| 4820 | *__restrict q; |
| 4821 | |
| 4822 | if (status == MagickFalse) |
| 4823 | continue; |
| 4824 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 4825 | q=QueueCacheViewAuthenticPixels(sepia_view,0,y,sepia_image->columns,1, |
| 4826 | exception); |
| 4827 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 4828 | { |
| 4829 | status=MagickFalse; |
| 4830 | continue; |
| 4831 | } |
| 4832 | for (x=0; x < (long) image->columns; x++) |
| 4833 | { |
| 4834 | MagickRealType |
| 4835 | intensity, |
| 4836 | tone; |
| 4837 | |
| 4838 | intensity=(MagickRealType) PixelIntensityToQuantum(p); |
| 4839 | tone=intensity > threshold ? (MagickRealType) QuantumRange : intensity+ |
| 4840 | (MagickRealType) QuantumRange-threshold; |
| 4841 | q->red=RoundToQuantum(tone); |
| 4842 | tone=intensity > (7.0*threshold/6.0) ? (MagickRealType) QuantumRange : |
| 4843 | intensity+(MagickRealType) QuantumRange-7.0*threshold/6.0; |
| 4844 | q->green=RoundToQuantum(tone); |
| 4845 | tone=intensity < (threshold/6.0) ? 0 : intensity-threshold/6.0; |
| 4846 | q->blue=RoundToQuantum(tone); |
| 4847 | tone=threshold/7.0; |
| 4848 | if ((MagickRealType) q->green < tone) |
| 4849 | q->green=RoundToQuantum(tone); |
| 4850 | if ((MagickRealType) q->blue < tone) |
| 4851 | q->blue=RoundToQuantum(tone); |
| 4852 | p++; |
| 4853 | q++; |
| 4854 | } |
| 4855 | if (SyncCacheViewAuthenticPixels(sepia_view,exception) == MagickFalse) |
| 4856 | status=MagickFalse; |
| 4857 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4858 | { |
| 4859 | MagickBooleanType |
| 4860 | proceed; |
| 4861 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4862 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4863 | #pragma omp critical (MagickCore_SepiaToneImage) |
| 4864 | #endif |
| 4865 | proceed=SetImageProgress(image,SepiaToneImageTag,progress++, |
| 4866 | image->rows); |
| 4867 | if (proceed == MagickFalse) |
| 4868 | status=MagickFalse; |
| 4869 | } |
| 4870 | } |
| 4871 | sepia_view=DestroyCacheView(sepia_view); |
| 4872 | image_view=DestroyCacheView(image_view); |
| 4873 | (void) NormalizeImage(sepia_image); |
| 4874 | (void) ContrastImage(sepia_image,MagickTrue); |
| 4875 | if (status == MagickFalse) |
| 4876 | sepia_image=DestroyImage(sepia_image); |
| 4877 | return(sepia_image); |
| 4878 | } |
| 4879 | |
| 4880 | /* |
| 4881 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4882 | % % |
| 4883 | % % |
| 4884 | % % |
| 4885 | % S h a d o w I m a g e % |
| 4886 | % % |
| 4887 | % % |
| 4888 | % % |
| 4889 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4890 | % |
| 4891 | % ShadowImage() simulates a shadow from the specified image and returns it. |
| 4892 | % |
| 4893 | % The format of the ShadowImage method is: |
| 4894 | % |
| 4895 | % Image *ShadowImage(const Image *image,const double opacity, |
| 4896 | % const double sigma,const long x_offset,const long y_offset, |
| 4897 | % ExceptionInfo *exception) |
| 4898 | % |
| 4899 | % A description of each parameter follows: |
| 4900 | % |
| 4901 | % o image: the image. |
| 4902 | % |
| 4903 | % o opacity: percentage transparency. |
| 4904 | % |
| 4905 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 4906 | % |
| 4907 | % o x_offset: the shadow x-offset. |
| 4908 | % |
| 4909 | % o y_offset: the shadow y-offset. |
| 4910 | % |
| 4911 | % o exception: return any errors or warnings in this structure. |
| 4912 | % |
| 4913 | */ |
| 4914 | MagickExport Image *ShadowImage(const Image *image,const double opacity, |
| 4915 | const double sigma,const long x_offset,const long y_offset, |
| 4916 | ExceptionInfo *exception) |
| 4917 | { |
| 4918 | #define ShadowImageTag "Shadow/Image" |
| 4919 | |
| 4920 | Image |
| 4921 | *border_image, |
| 4922 | *clone_image, |
| 4923 | *shadow_image; |
| 4924 | |
| 4925 | long |
| 4926 | progress, |
| 4927 | y; |
| 4928 | |
| 4929 | MagickBooleanType |
| 4930 | status; |
| 4931 | |
| 4932 | RectangleInfo |
| 4933 | border_info; |
| 4934 | |
| 4935 | CacheView |
| 4936 | *image_view; |
| 4937 | |
| 4938 | assert(image != (Image *) NULL); |
| 4939 | assert(image->signature == MagickSignature); |
| 4940 | if (image->debug != MagickFalse) |
| 4941 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4942 | assert(exception != (ExceptionInfo *) NULL); |
| 4943 | assert(exception->signature == MagickSignature); |
| 4944 | clone_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4945 | if (clone_image == (Image *) NULL) |
| 4946 | return((Image *) NULL); |
| 4947 | (void) SetImageVirtualPixelMethod(clone_image,EdgeVirtualPixelMethod); |
| 4948 | clone_image->compose=OverCompositeOp; |
| 4949 | border_info.width=(unsigned long) (2.0*sigma+0.5); |
| 4950 | border_info.height=(unsigned long) (2.0*sigma+0.5); |
| 4951 | border_info.x=0; |
| 4952 | border_info.y=0; |
| 4953 | (void) QueryColorDatabase("none",&clone_image->border_color,exception); |
| 4954 | border_image=BorderImage(clone_image,&border_info,exception); |
| 4955 | clone_image=DestroyImage(clone_image); |
| 4956 | if (border_image == (Image *) NULL) |
| 4957 | return((Image *) NULL); |
| 4958 | if (border_image->matte == MagickFalse) |
| 4959 | (void) SetImageAlphaChannel(border_image,OpaqueAlphaChannel); |
| 4960 | /* |
| 4961 | Shadow image. |
| 4962 | */ |
| 4963 | status=MagickTrue; |
| 4964 | progress=0; |
| 4965 | image_view=AcquireCacheView(border_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 4966 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4967 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4968 | #endif |
| 4969 | for (y=0; y < (long) border_image->rows; y++) |
| 4970 | { |
| 4971 | register long |
| 4972 | x; |
| 4973 | |
| 4974 | register PixelPacket |
| 4975 | *__restrict q; |
| 4976 | |
| 4977 | if (status == MagickFalse) |
| 4978 | continue; |
| 4979 | q=GetCacheViewAuthenticPixels(image_view,0,y,border_image->columns,1, |
| 4980 | exception); |
| 4981 | if (q == (PixelPacket *) NULL) |
| 4982 | { |
| 4983 | status=MagickFalse; |
| 4984 | continue; |
| 4985 | } |
| 4986 | for (x=0; x < (long) border_image->columns; x++) |
| 4987 | { |
| 4988 | q->red=border_image->background_color.red; |
| 4989 | q->green=border_image->background_color.green; |
| 4990 | q->blue=border_image->background_color.blue; |
| 4991 | if (border_image->matte == MagickFalse) |
| 4992 | q->opacity=border_image->background_color.opacity; |
| 4993 | else |
| 4994 | q->opacity=RoundToQuantum((MagickRealType) (QuantumRange-(QuantumRange- |
| 4995 | q->opacity)*opacity/100.0)); |
| 4996 | q++; |
| 4997 | } |
| 4998 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 4999 | status=MagickFalse; |
| 5000 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5001 | { |
| 5002 | MagickBooleanType |
| 5003 | proceed; |
| 5004 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5005 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5006 | #pragma omp critical (MagickCore_ShadowImage) |
| 5007 | #endif |
| 5008 | proceed=SetImageProgress(image,ShadowImageTag,progress++, |
| 5009 | border_image->rows); |
| 5010 | if (proceed == MagickFalse) |
| 5011 | status=MagickFalse; |
| 5012 | } |
| 5013 | } |
| 5014 | image_view=DestroyCacheView(image_view); |
| 5015 | shadow_image=BlurImageChannel(border_image,AlphaChannel,0.0,sigma,exception); |
| 5016 | border_image=DestroyImage(border_image); |
| 5017 | if (shadow_image == (Image *) NULL) |
| 5018 | return((Image *) NULL); |
| 5019 | if (shadow_image->page.width == 0) |
| 5020 | shadow_image->page.width=shadow_image->columns; |
| 5021 | if (shadow_image->page.height == 0) |
| 5022 | shadow_image->page.height=shadow_image->rows; |
| 5023 | shadow_image->page.width+=x_offset-(long) border_info.width; |
| 5024 | shadow_image->page.height+=y_offset-(long) border_info.height; |
| 5025 | shadow_image->page.x+=x_offset-(long) border_info.width; |
| 5026 | shadow_image->page.y+=y_offset-(long) border_info.height; |
| 5027 | return(shadow_image); |
| 5028 | } |
| 5029 | |
| 5030 | /* |
| 5031 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5032 | % % |
| 5033 | % % |
| 5034 | % % |
| 5035 | % S k e t c h I m a g e % |
| 5036 | % % |
| 5037 | % % |
| 5038 | % % |
| 5039 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5040 | % |
| 5041 | % SketchImage() simulates a pencil sketch. We convolve the image with a |
| 5042 | % Gaussian operator of the given radius and standard deviation (sigma). For |
| 5043 | % reasonable results, radius should be larger than sigma. Use a radius of 0 |
| 5044 | % and SketchImage() selects a suitable radius for you. Angle gives the angle |
| 5045 | % of the sketch. |
| 5046 | % |
| 5047 | % The format of the SketchImage method is: |
| 5048 | % |
| 5049 | % Image *SketchImage(const Image *image,const double radius, |
| 5050 | % const double sigma,const double angle,ExceptionInfo *exception) |
| 5051 | % |
| 5052 | % A description of each parameter follows: |
| 5053 | % |
| 5054 | % o image: the image. |
| 5055 | % |
| 5056 | % o radius: the radius of the Gaussian, in pixels, not counting |
| 5057 | % the center pixel. |
| 5058 | % |
| 5059 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 5060 | % |
| 5061 | % o angle: Apply the effect along this angle. |
| 5062 | % |
| 5063 | % o exception: return any errors or warnings in this structure. |
| 5064 | % |
| 5065 | */ |
| 5066 | MagickExport Image *SketchImage(const Image *image,const double radius, |
| 5067 | const double sigma,const double angle,ExceptionInfo *exception) |
| 5068 | { |
| 5069 | Image |
| 5070 | *blend_image, |
| 5071 | *blur_image, |
| 5072 | *dodge_image, |
| 5073 | *random_image, |
| 5074 | *sketch_image; |
| 5075 | |
| 5076 | long |
| 5077 | y; |
| 5078 | |
| 5079 | MagickBooleanType |
| 5080 | status; |
| 5081 | |
| 5082 | MagickPixelPacket |
| 5083 | zero; |
| 5084 | |
| 5085 | RandomInfo |
| 5086 | *random_info; |
| 5087 | |
| 5088 | CacheView |
| 5089 | *random_view; |
| 5090 | |
| 5091 | /* |
| 5092 | Sketch image. |
| 5093 | */ |
| 5094 | random_image=CloneImage(image,image->columns << 1,image->rows << 1, |
| 5095 | MagickTrue,exception); |
| 5096 | if (random_image == (Image *) NULL) |
| 5097 | return((Image *) NULL); |
| 5098 | status=MagickTrue; |
| 5099 | GetMagickPixelPacket(random_image,&zero); |
| 5100 | random_info=AcquireRandomInfo(); |
| 5101 | random_view=AcquireCacheView(random_image); |
| 5102 | for (y=0; y < (long) random_image->rows; y++) |
| 5103 | { |
| 5104 | MagickPixelPacket |
| 5105 | pixel; |
| 5106 | |
| 5107 | register IndexPacket |
| 5108 | *__restrict indexes; |
| 5109 | |
| 5110 | register long |
| 5111 | x; |
| 5112 | |
| 5113 | register PixelPacket |
| 5114 | *__restrict q; |
| 5115 | |
| 5116 | q=QueueCacheViewAuthenticPixels(random_view,0,y,random_image->columns,1, |
| 5117 | exception); |
| 5118 | if (q == (PixelPacket *) NULL) |
| 5119 | { |
| 5120 | status=MagickFalse; |
| 5121 | continue; |
| 5122 | } |
| 5123 | indexes=GetCacheViewAuthenticIndexQueue(random_view); |
| 5124 | pixel=zero; |
| 5125 | for (x=0; x < (long) random_image->columns; x++) |
| 5126 | { |
| 5127 | pixel.red=(MagickRealType) (QuantumRange* |
| 5128 | GetPseudoRandomValue(random_info)); |
| 5129 | pixel.green=pixel.red; |
| 5130 | pixel.blue=pixel.red; |
| 5131 | if (image->colorspace == CMYKColorspace) |
| 5132 | pixel.index=pixel.red; |
| 5133 | SetPixelPacket(random_image,&pixel,q,indexes+x); |
| 5134 | q++; |
| 5135 | } |
| 5136 | if (SyncCacheViewAuthenticPixels(random_view,exception) == MagickFalse) |
| 5137 | status=MagickFalse; |
| 5138 | if (status == MagickFalse) |
| 5139 | break; |
| 5140 | } |
| 5141 | random_view=DestroyCacheView(random_view); |
| 5142 | random_info=DestroyRandomInfo(random_info); |
| 5143 | if (status == MagickFalse) |
| 5144 | { |
| 5145 | random_image=DestroyImage(random_image); |
| 5146 | return(random_image); |
| 5147 | } |
| 5148 | blur_image=MotionBlurImage(random_image,radius,sigma,angle,exception); |
| 5149 | random_image=DestroyImage(random_image); |
| 5150 | if (blur_image == (Image *) NULL) |
| 5151 | return((Image *) NULL); |
| 5152 | dodge_image=EdgeImage(blur_image,radius,exception); |
| 5153 | blur_image=DestroyImage(blur_image); |
| 5154 | if (dodge_image == (Image *) NULL) |
| 5155 | return((Image *) NULL); |
| 5156 | (void) NormalizeImage(dodge_image); |
| 5157 | (void) NegateImage(dodge_image,MagickFalse); |
| 5158 | (void) TransformImage(&dodge_image,(char *) NULL,"50%"); |
| 5159 | sketch_image=CloneImage(image,0,0,MagickTrue,exception); |
| 5160 | if (sketch_image == (Image *) NULL) |
| 5161 | { |
| 5162 | dodge_image=DestroyImage(dodge_image); |
| 5163 | return((Image *) NULL); |
| 5164 | } |
| 5165 | (void) CompositeImage(sketch_image,ColorDodgeCompositeOp,dodge_image,0,0); |
| 5166 | dodge_image=DestroyImage(dodge_image); |
| 5167 | blend_image=CloneImage(image,0,0,MagickTrue,exception); |
| 5168 | if (blend_image == (Image *) NULL) |
| 5169 | { |
| 5170 | sketch_image=DestroyImage(sketch_image); |
| 5171 | return((Image *) NULL); |
| 5172 | } |
| 5173 | (void) SetImageArtifact(blend_image,"compose:args","20x80"); |
| 5174 | (void) CompositeImage(sketch_image,BlendCompositeOp,blend_image,0,0); |
| 5175 | blend_image=DestroyImage(blend_image); |
| 5176 | return(sketch_image); |
| 5177 | } |
| 5178 | |
| 5179 | /* |
| 5180 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5181 | % % |
| 5182 | % % |
| 5183 | % % |
| 5184 | % S o l a r i z e I m a g e % |
| 5185 | % % |
| 5186 | % % |
| 5187 | % % |
| 5188 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5189 | % |
| 5190 | % SolarizeImage() applies a special effect to the image, similar to the effect |
| 5191 | % achieved in a photo darkroom by selectively exposing areas of photo |
| 5192 | % sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a |
| 5193 | % measure of the extent of the solarization. |
| 5194 | % |
| 5195 | % The format of the SolarizeImage method is: |
| 5196 | % |
| 5197 | % MagickBooleanType SolarizeImage(Image *image,const double threshold) |
| 5198 | % |
| 5199 | % A description of each parameter follows: |
| 5200 | % |
| 5201 | % o image: the image. |
| 5202 | % |
| 5203 | % o threshold: Define the extent of the solarization. |
| 5204 | % |
| 5205 | */ |
| 5206 | MagickExport MagickBooleanType SolarizeImage(Image *image, |
| 5207 | const double threshold) |
| 5208 | { |
| 5209 | #define SolarizeImageTag "Solarize/Image" |
| 5210 | |
| 5211 | ExceptionInfo |
| 5212 | *exception; |
| 5213 | |
| 5214 | long |
| 5215 | progress, |
| 5216 | y; |
| 5217 | |
| 5218 | MagickBooleanType |
| 5219 | status; |
| 5220 | |
| 5221 | CacheView |
| 5222 | *image_view; |
| 5223 | |
| 5224 | assert(image != (Image *) NULL); |
| 5225 | assert(image->signature == MagickSignature); |
| 5226 | if (image->debug != MagickFalse) |
| 5227 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5228 | if (image->storage_class == PseudoClass) |
| 5229 | { |
| 5230 | register long |
| 5231 | i; |
| 5232 | |
| 5233 | /* |
| 5234 | Solarize colormap. |
| 5235 | */ |
| 5236 | for (i=0; i < (long) image->colors; i++) |
| 5237 | { |
| 5238 | if ((MagickRealType) image->colormap[i].red > threshold) |
| 5239 | image->colormap[i].red=(Quantum) QuantumRange-image->colormap[i].red; |
| 5240 | if ((MagickRealType) image->colormap[i].green > threshold) |
| 5241 | image->colormap[i].green=(Quantum) QuantumRange- |
| 5242 | image->colormap[i].green; |
| 5243 | if ((MagickRealType) image->colormap[i].blue > threshold) |
| 5244 | image->colormap[i].blue=(Quantum) QuantumRange- |
| 5245 | image->colormap[i].blue; |
| 5246 | } |
| 5247 | } |
| 5248 | /* |
| 5249 | Solarize image. |
| 5250 | */ |
| 5251 | status=MagickTrue; |
| 5252 | progress=0; |
| 5253 | exception=(&image->exception); |
| 5254 | image_view=AcquireCacheView(image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5255 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 5256 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5257 | #endif |
| 5258 | for (y=0; y < (long) image->rows; y++) |
| 5259 | { |
| 5260 | register long |
| 5261 | x; |
| 5262 | |
| 5263 | register PixelPacket |
| 5264 | *__restrict q; |
| 5265 | |
| 5266 | if (status == MagickFalse) |
| 5267 | continue; |
| 5268 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, |
| 5269 | exception); |
| 5270 | if (q == (PixelPacket *) NULL) |
| 5271 | { |
| 5272 | status=MagickFalse; |
| 5273 | continue; |
| 5274 | } |
| 5275 | for (x=0; x < (long) image->columns; x++) |
| 5276 | { |
| 5277 | if ((MagickRealType) q->red > threshold) |
| 5278 | q->red=(Quantum) QuantumRange-q->red; |
| 5279 | if ((MagickRealType) q->green > threshold) |
| 5280 | q->green=(Quantum) QuantumRange-q->green; |
| 5281 | if ((MagickRealType) q->blue > threshold) |
| 5282 | q->blue=(Quantum) QuantumRange-q->blue; |
| 5283 | q++; |
| 5284 | } |
| 5285 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 5286 | status=MagickFalse; |
| 5287 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5288 | { |
| 5289 | MagickBooleanType |
| 5290 | proceed; |
| 5291 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5292 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5293 | #pragma omp critical (MagickCore_SolarizeImage) |
| 5294 | #endif |
| 5295 | proceed=SetImageProgress(image,SolarizeImageTag,progress++,image->rows); |
| 5296 | if (proceed == MagickFalse) |
| 5297 | status=MagickFalse; |
| 5298 | } |
| 5299 | } |
| 5300 | image_view=DestroyCacheView(image_view); |
| 5301 | return(status); |
| 5302 | } |
| 5303 | |
| 5304 | /* |
| 5305 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5306 | % % |
| 5307 | % % |
| 5308 | % % |
| 5309 | % S t e g a n o I m a g e % |
| 5310 | % % |
| 5311 | % % |
| 5312 | % % |
| 5313 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5314 | % |
| 5315 | % SteganoImage() hides a digital watermark within the image. Recover |
| 5316 | % the hidden watermark later to prove that the authenticity of an image. |
| 5317 | % Offset defines the start position within the image to hide the watermark. |
| 5318 | % |
| 5319 | % The format of the SteganoImage method is: |
| 5320 | % |
| 5321 | % Image *SteganoImage(const Image *image,Image *watermark, |
| 5322 | % ExceptionInfo *exception) |
| 5323 | % |
| 5324 | % A description of each parameter follows: |
| 5325 | % |
| 5326 | % o image: the image. |
| 5327 | % |
| 5328 | % o watermark: the watermark image. |
| 5329 | % |
| 5330 | % o exception: return any errors or warnings in this structure. |
| 5331 | % |
| 5332 | */ |
| 5333 | MagickExport Image *SteganoImage(const Image *image,const Image *watermark, |
| 5334 | ExceptionInfo *exception) |
| 5335 | { |
| 5336 | #define GetBit(alpha,i) ((((unsigned long) (alpha) >> (unsigned long) \ |
| 5337 | (i)) & 0x01) != 0) |
| 5338 | #define SetBit(alpha,i,set) (alpha)=(Quantum) ((set) ? (unsigned long) (alpha) \ |
| 5339 | | (1UL << (unsigned long) (i)) : (unsigned long) (alpha) & \ |
| 5340 | ~(1UL << (unsigned long) (i))) |
| 5341 | #define SteganoImageTag "Stegano/Image" |
| 5342 | |
| 5343 | Image |
| 5344 | *stegano_image; |
| 5345 | |
| 5346 | int |
| 5347 | c; |
| 5348 | |
| 5349 | long |
| 5350 | i, |
| 5351 | j, |
| 5352 | k, |
| 5353 | y; |
| 5354 | |
| 5355 | MagickBooleanType |
| 5356 | status; |
| 5357 | |
| 5358 | PixelPacket |
| 5359 | pixel; |
| 5360 | |
| 5361 | register long |
| 5362 | x; |
| 5363 | |
| 5364 | register PixelPacket |
| 5365 | *q; |
| 5366 | |
| 5367 | unsigned long |
| 5368 | depth; |
| 5369 | |
| 5370 | /* |
| 5371 | Initialize steganographic image attributes. |
| 5372 | */ |
| 5373 | assert(image != (const Image *) NULL); |
| 5374 | assert(image->signature == MagickSignature); |
| 5375 | if (image->debug != MagickFalse) |
| 5376 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5377 | assert(watermark != (const Image *) NULL); |
| 5378 | assert(watermark->signature == MagickSignature); |
| 5379 | assert(exception != (ExceptionInfo *) NULL); |
| 5380 | assert(exception->signature == MagickSignature); |
| 5381 | stegano_image=CloneImage(image,0,0,MagickTrue,exception); |
| 5382 | if (stegano_image == (Image *) NULL) |
| 5383 | return((Image *) NULL); |
| 5384 | if (SetImageStorageClass(stegano_image,DirectClass) == MagickFalse) |
| 5385 | { |
| 5386 | InheritException(exception,&stegano_image->exception); |
| 5387 | stegano_image=DestroyImage(stegano_image); |
| 5388 | return((Image *) NULL); |
| 5389 | } |
| 5390 | stegano_image->depth=MAGICKCORE_QUANTUM_DEPTH; |
| 5391 | /* |
| 5392 | Hide watermark in low-order bits of image. |
| 5393 | */ |
| 5394 | c=0; |
| 5395 | i=0; |
| 5396 | j=0; |
| 5397 | depth=stegano_image->depth; |
| 5398 | k=image->offset; |
| 5399 | for (i=(long) depth-1; (i >= 0) && (j < (long) depth); i--) |
| 5400 | { |
| 5401 | for (y=0; (y < (long) watermark->rows) && (j < (long) depth); y++) |
| 5402 | { |
| 5403 | for (x=0; (x < (long) watermark->columns) && (j < (long) depth); x++) |
| 5404 | { |
| 5405 | (void) GetOneVirtualPixel(watermark,x,y,&pixel,exception); |
| 5406 | if ((k/(long) stegano_image->columns) >= (long) stegano_image->rows) |
| 5407 | break; |
| 5408 | q=GetAuthenticPixels(stegano_image,k % (long) stegano_image->columns, |
| 5409 | k/(long) stegano_image->columns,1,1,exception); |
| 5410 | if (q == (PixelPacket *) NULL) |
| 5411 | break; |
| 5412 | switch (c) |
| 5413 | { |
| 5414 | case 0: |
| 5415 | { |
| 5416 | SetBit(q->red,j,GetBit(PixelIntensityToQuantum(&pixel),i)); |
| 5417 | break; |
| 5418 | } |
| 5419 | case 1: |
| 5420 | { |
| 5421 | SetBit(q->green,j,GetBit(PixelIntensityToQuantum(&pixel),i)); |
| 5422 | break; |
| 5423 | } |
| 5424 | case 2: |
| 5425 | { |
| 5426 | SetBit(q->blue,j,GetBit(PixelIntensityToQuantum(&pixel),i)); |
| 5427 | break; |
| 5428 | } |
| 5429 | } |
| 5430 | if (SyncAuthenticPixels(stegano_image,exception) == MagickFalse) |
| 5431 | break; |
| 5432 | c++; |
| 5433 | if (c == 3) |
| 5434 | c=0; |
| 5435 | k++; |
| 5436 | if (k == (long) (stegano_image->columns*stegano_image->columns)) |
| 5437 | k=0; |
| 5438 | if (k == image->offset) |
| 5439 | j++; |
| 5440 | } |
| 5441 | } |
| 5442 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 5443 | (QuantumTick((MagickOffsetType) depth-i,depth) != MagickFalse)) |
| 5444 | { |
| 5445 | status=image->progress_monitor(SteganoImageTag,(MagickOffsetType) depth- |
| 5446 | i,depth,image->client_data); |
| 5447 | if (status == MagickFalse) |
| 5448 | break; |
| 5449 | } |
| 5450 | } |
| 5451 | if (stegano_image->storage_class == PseudoClass) |
| 5452 | (void) SyncImage(stegano_image); |
| 5453 | return(stegano_image); |
| 5454 | } |
| 5455 | |
| 5456 | /* |
| 5457 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5458 | % % |
| 5459 | % % |
| 5460 | % % |
| 5461 | % S t e r e o A n a g l y p h I m a g e % |
| 5462 | % % |
| 5463 | % % |
| 5464 | % % |
| 5465 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5466 | % |
| 5467 | % StereoAnaglyphImage() combines two images and produces a single image that |
| 5468 | % is the composite of a left and right image of a stereo pair. Special |
| 5469 | % red-green stereo glasses are required to view this effect. |
| 5470 | % |
| 5471 | % The format of the StereoAnaglyphImage method is: |
| 5472 | % |
| 5473 | % Image *StereoImage(const Image *left_image,const Image *right_image, |
| 5474 | % ExceptionInfo *exception) |
| 5475 | % Image *StereoAnaglyphImage(const Image *left_image, |
| 5476 | % const Image *right_image,const long x_offset,const long y_offset, |
| 5477 | % ExceptionInfo *exception) |
| 5478 | % |
| 5479 | % A description of each parameter follows: |
| 5480 | % |
| 5481 | % o left_image: the left image. |
| 5482 | % |
| 5483 | % o right_image: the right image. |
| 5484 | % |
| 5485 | % o exception: return any errors or warnings in this structure. |
| 5486 | % |
| 5487 | % o x_offset: amount, in pixels, by which the left image is offset to the |
| 5488 | % right of the right image. |
| 5489 | % |
| 5490 | % o y_offset: amount, in pixels, by which the left image is offset to the |
| 5491 | % bottom of the right image. |
| 5492 | % |
| 5493 | % |
| 5494 | */ |
| 5495 | MagickExport Image *StereoImage(const Image *left_image, |
| 5496 | const Image *right_image,ExceptionInfo *exception) |
| 5497 | { |
| 5498 | return(StereoAnaglyphImage(left_image,right_image,0,0,exception)); |
| 5499 | } |
| 5500 | |
| 5501 | MagickExport Image *StereoAnaglyphImage(const Image *left_image, |
| 5502 | const Image *right_image,const long x_offset,const long y_offset, |
| 5503 | ExceptionInfo *exception) |
| 5504 | { |
| 5505 | #define StereoImageTag "Stereo/Image" |
| 5506 | |
| 5507 | const Image |
| 5508 | *image; |
| 5509 | |
| 5510 | Image |
| 5511 | *stereo_image; |
| 5512 | |
| 5513 | long |
| 5514 | y; |
| 5515 | |
| 5516 | MagickBooleanType |
| 5517 | status; |
| 5518 | |
| 5519 | assert(left_image != (const Image *) NULL); |
| 5520 | assert(left_image->signature == MagickSignature); |
| 5521 | if (left_image->debug != MagickFalse) |
| 5522 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 5523 | left_image->filename); |
| 5524 | assert(right_image != (const Image *) NULL); |
| 5525 | assert(right_image->signature == MagickSignature); |
| 5526 | assert(exception != (ExceptionInfo *) NULL); |
| 5527 | assert(exception->signature == MagickSignature); |
| 5528 | assert(right_image != (const Image *) NULL); |
| 5529 | image=left_image; |
| 5530 | if ((left_image->columns != right_image->columns) || |
| 5531 | (left_image->rows != right_image->rows)) |
| 5532 | ThrowImageException(ImageError,"LeftAndRightImageSizesDiffer"); |
| 5533 | /* |
| 5534 | Initialize stereo image attributes. |
| 5535 | */ |
| 5536 | stereo_image=CloneImage(left_image,left_image->columns,left_image->rows, |
| 5537 | MagickTrue,exception); |
| 5538 | if (stereo_image == (Image *) NULL) |
| 5539 | return((Image *) NULL); |
| 5540 | if (SetImageStorageClass(stereo_image,DirectClass) == MagickFalse) |
| 5541 | { |
| 5542 | InheritException(exception,&stereo_image->exception); |
| 5543 | stereo_image=DestroyImage(stereo_image); |
| 5544 | return((Image *) NULL); |
| 5545 | } |
| 5546 | /* |
| 5547 | Copy left image to red channel and right image to blue channel. |
| 5548 | */ |
| 5549 | for (y=0; y < (long) stereo_image->rows; y++) |
| 5550 | { |
| 5551 | register const PixelPacket |
| 5552 | *__restrict p, |
| 5553 | *__restrict q; |
| 5554 | |
| 5555 | register long |
| 5556 | x; |
| 5557 | |
| 5558 | register PixelPacket |
| 5559 | *__restrict r; |
| 5560 | |
| 5561 | p=GetVirtualPixels(left_image,-x_offset,y-y_offset,image->columns,1, |
| 5562 | exception); |
| 5563 | q=GetVirtualPixels(right_image,0,y,right_image->columns,1,exception); |
| 5564 | r=QueueAuthenticPixels(stereo_image,0,y,stereo_image->columns,1,exception); |
| 5565 | if ((p == (PixelPacket *) NULL) || (q == (PixelPacket *) NULL) || |
| 5566 | (r == (PixelPacket *) NULL)) |
| 5567 | break; |
| 5568 | for (x=0; x < (long) stereo_image->columns; x++) |
| 5569 | { |
| 5570 | r->red=p->red; |
| 5571 | r->green=q->green; |
| 5572 | r->blue=q->blue; |
| 5573 | r->opacity=(Quantum) ((p->opacity+q->opacity)/2); |
| 5574 | p++; |
| 5575 | q++; |
| 5576 | r++; |
| 5577 | } |
| 5578 | if (SyncAuthenticPixels(stereo_image,exception) == MagickFalse) |
| 5579 | break; |
| 5580 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 5581 | (QuantumTick(y,image->rows) != MagickFalse)) |
| 5582 | { |
| 5583 | status=image->progress_monitor(StereoImageTag,y,stereo_image->rows, |
| 5584 | stereo_image->client_data); |
| 5585 | if (status == MagickFalse) |
| 5586 | break; |
| 5587 | } |
| 5588 | } |
| 5589 | return(stereo_image); |
| 5590 | } |
| 5591 | |
| 5592 | /* |
| 5593 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5594 | % % |
| 5595 | % % |
| 5596 | % % |
| 5597 | % S w i r l I m a g e % |
| 5598 | % % |
| 5599 | % % |
| 5600 | % % |
| 5601 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5602 | % |
| 5603 | % SwirlImage() swirls the pixels about the center of the image, where |
| 5604 | % degrees indicates the sweep of the arc through which each pixel is moved. |
| 5605 | % You get a more dramatic effect as the degrees move from 1 to 360. |
| 5606 | % |
| 5607 | % The format of the SwirlImage method is: |
| 5608 | % |
| 5609 | % Image *SwirlImage(const Image *image,double degrees, |
| 5610 | % ExceptionInfo *exception) |
| 5611 | % |
| 5612 | % A description of each parameter follows: |
| 5613 | % |
| 5614 | % o image: the image. |
| 5615 | % |
| 5616 | % o degrees: Define the tightness of the swirling effect. |
| 5617 | % |
| 5618 | % o exception: return any errors or warnings in this structure. |
| 5619 | % |
| 5620 | */ |
| 5621 | MagickExport Image *SwirlImage(const Image *image,double degrees, |
| 5622 | ExceptionInfo *exception) |
| 5623 | { |
| 5624 | #define SwirlImageTag "Swirl/Image" |
| 5625 | |
| 5626 | Image |
| 5627 | *swirl_image; |
| 5628 | |
| 5629 | long |
| 5630 | progress, |
| 5631 | y; |
| 5632 | |
| 5633 | MagickBooleanType |
| 5634 | status; |
| 5635 | |
| 5636 | MagickPixelPacket |
| 5637 | zero; |
| 5638 | |
| 5639 | MagickRealType |
| 5640 | radius; |
| 5641 | |
| 5642 | PointInfo |
| 5643 | center, |
| 5644 | scale; |
| 5645 | |
| 5646 | ResampleFilter |
| 5647 | **resample_filter; |
| 5648 | |
| 5649 | CacheView |
| 5650 | *image_view, |
| 5651 | *swirl_view; |
| 5652 | |
| 5653 | /* |
| 5654 | Initialize swirl image attributes. |
| 5655 | */ |
| 5656 | assert(image != (const Image *) NULL); |
| 5657 | assert(image->signature == MagickSignature); |
| 5658 | if (image->debug != MagickFalse) |
| 5659 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5660 | assert(exception != (ExceptionInfo *) NULL); |
| 5661 | assert(exception->signature == MagickSignature); |
| 5662 | swirl_image=CloneImage(image,0,0,MagickTrue,exception); |
| 5663 | if (swirl_image == (Image *) NULL) |
| 5664 | return((Image *) NULL); |
| 5665 | if (SetImageStorageClass(swirl_image,DirectClass) == MagickFalse) |
| 5666 | { |
| 5667 | InheritException(exception,&swirl_image->exception); |
| 5668 | swirl_image=DestroyImage(swirl_image); |
| 5669 | return((Image *) NULL); |
| 5670 | } |
| 5671 | if (swirl_image->background_color.opacity != OpaqueOpacity) |
| 5672 | swirl_image->matte=MagickTrue; |
| 5673 | /* |
| 5674 | Compute scaling factor. |
| 5675 | */ |
| 5676 | center.x=(double) image->columns/2.0; |
| 5677 | center.y=(double) image->rows/2.0; |
| 5678 | radius=MagickMax(center.x,center.y); |
| 5679 | scale.x=1.0; |
| 5680 | scale.y=1.0; |
| 5681 | if (image->columns > image->rows) |
| 5682 | scale.y=(double) image->columns/(double) image->rows; |
| 5683 | else |
| 5684 | if (image->columns < image->rows) |
| 5685 | scale.x=(double) image->rows/(double) image->columns; |
| 5686 | degrees=(double) DegreesToRadians(degrees); |
| 5687 | /* |
| 5688 | Swirl image. |
| 5689 | */ |
| 5690 | status=MagickTrue; |
| 5691 | progress=0; |
| 5692 | GetMagickPixelPacket(swirl_image,&zero); |
| 5693 | resample_filter=AcquireResampleFilterThreadSet(image,MagickTrue,exception); |
| 5694 | image_view=AcquireCacheView(image); |
| 5695 | swirl_view=AcquireCacheView(swirl_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5696 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 5697 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5698 | #endif |
| 5699 | for (y=0; y < (long) image->rows; y++) |
| 5700 | { |
| 5701 | MagickPixelPacket |
| 5702 | pixel; |
| 5703 | |
| 5704 | MagickRealType |
| 5705 | distance; |
| 5706 | |
| 5707 | PointInfo |
| 5708 | delta; |
| 5709 | |
| 5710 | register IndexPacket |
| 5711 | *__restrict swirl_indexes; |
| 5712 | |
| 5713 | register long |
| 5714 | id, |
| 5715 | x; |
| 5716 | |
| 5717 | register PixelPacket |
| 5718 | *__restrict q; |
| 5719 | |
| 5720 | if (status == MagickFalse) |
| 5721 | continue; |
| 5722 | q=GetCacheViewAuthenticPixels(swirl_view,0,y,swirl_image->columns,1, |
| 5723 | exception); |
| 5724 | if (q == (PixelPacket *) NULL) |
| 5725 | { |
| 5726 | status=MagickFalse; |
| 5727 | continue; |
| 5728 | } |
| 5729 | swirl_indexes=GetCacheViewAuthenticIndexQueue(swirl_view); |
| 5730 | delta.y=scale.y*(double) (y-center.y); |
| 5731 | pixel=zero; |
| 5732 | id=GetOpenMPThreadId(); |
| 5733 | for (x=0; x < (long) image->columns; x++) |
| 5734 | { |
| 5735 | /* |
| 5736 | Determine if the pixel is within an ellipse. |
| 5737 | */ |
| 5738 | delta.x=scale.x*(double) (x-center.x); |
| 5739 | distance=delta.x*delta.x+delta.y*delta.y; |
| 5740 | if (distance < (radius*radius)) |
| 5741 | { |
| 5742 | MagickRealType |
| 5743 | cosine, |
| 5744 | factor, |
| 5745 | sine; |
| 5746 | |
| 5747 | /* |
| 5748 | Swirl the pixel. |
| 5749 | */ |
| 5750 | factor=1.0-sqrt((double) distance)/radius; |
| 5751 | sine=sin((double) (degrees*factor*factor)); |
| 5752 | cosine=cos((double) (degrees*factor*factor)); |
| 5753 | (void) ResamplePixelColor(resample_filter[id],(double) ((cosine* |
| 5754 | delta.x-sine*delta.y)/scale.x+center.x),(double) ((sine*delta.x+ |
| 5755 | cosine*delta.y)/scale.y+center.y),&pixel); |
| 5756 | SetPixelPacket(swirl_image,&pixel,q,swirl_indexes+x); |
| 5757 | } |
| 5758 | q++; |
| 5759 | } |
| 5760 | if (SyncCacheViewAuthenticPixels(swirl_view,exception) == MagickFalse) |
| 5761 | status=MagickFalse; |
| 5762 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5763 | { |
| 5764 | MagickBooleanType |
| 5765 | proceed; |
| 5766 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5767 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5768 | #pragma omp critical (MagickCore_SwirlImage) |
| 5769 | #endif |
| 5770 | proceed=SetImageProgress(image,SwirlImageTag,progress++,image->rows); |
| 5771 | if (proceed == MagickFalse) |
| 5772 | status=MagickFalse; |
| 5773 | } |
| 5774 | } |
| 5775 | swirl_view=DestroyCacheView(swirl_view); |
| 5776 | image_view=DestroyCacheView(image_view); |
| 5777 | resample_filter=DestroyResampleFilterThreadSet(resample_filter); |
| 5778 | if (status == MagickFalse) |
| 5779 | swirl_image=DestroyImage(swirl_image); |
| 5780 | return(swirl_image); |
| 5781 | } |
| 5782 | |
| 5783 | /* |
| 5784 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5785 | % % |
| 5786 | % % |
| 5787 | % % |
| 5788 | % T i n t I m a g e % |
| 5789 | % % |
| 5790 | % % |
| 5791 | % % |
| 5792 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5793 | % |
| 5794 | % TintImage() applies a color vector to each pixel in the image. The length |
| 5795 | % of the vector is 0 for black and white and at its maximum for the midtones. |
| 5796 | % The vector weighting function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))) |
| 5797 | % |
| 5798 | % The format of the TintImage method is: |
| 5799 | % |
| 5800 | % Image *TintImage(const Image *image,const char *opacity, |
| 5801 | % const PixelPacket tint,ExceptionInfo *exception) |
| 5802 | % |
| 5803 | % A description of each parameter follows: |
| 5804 | % |
| 5805 | % o image: the image. |
| 5806 | % |
| 5807 | % o opacity: A color value used for tinting. |
| 5808 | % |
| 5809 | % o tint: A color value used for tinting. |
| 5810 | % |
| 5811 | % o exception: return any errors or warnings in this structure. |
| 5812 | % |
| 5813 | */ |
| 5814 | MagickExport Image *TintImage(const Image *image,const char *opacity, |
| 5815 | const PixelPacket tint,ExceptionInfo *exception) |
| 5816 | { |
| 5817 | #define TintImageTag "Tint/Image" |
| 5818 | |
| 5819 | GeometryInfo |
| 5820 | geometry_info; |
| 5821 | |
| 5822 | Image |
| 5823 | *tint_image; |
| 5824 | |
| 5825 | long |
| 5826 | progress, |
| 5827 | y; |
| 5828 | |
| 5829 | MagickBooleanType |
| 5830 | status; |
| 5831 | |
| 5832 | MagickStatusType |
| 5833 | flags; |
| 5834 | |
| 5835 | MagickPixelPacket |
| 5836 | color_vector, |
| 5837 | pixel; |
| 5838 | |
| 5839 | CacheView |
| 5840 | *image_view, |
| 5841 | *tint_view; |
| 5842 | |
| 5843 | /* |
| 5844 | Allocate tint image. |
| 5845 | */ |
| 5846 | assert(image != (const Image *) NULL); |
| 5847 | assert(image->signature == MagickSignature); |
| 5848 | if (image->debug != MagickFalse) |
| 5849 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5850 | assert(exception != (ExceptionInfo *) NULL); |
| 5851 | assert(exception->signature == MagickSignature); |
| 5852 | tint_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 5853 | if (tint_image == (Image *) NULL) |
| 5854 | return((Image *) NULL); |
| 5855 | if (SetImageStorageClass(tint_image,DirectClass) == MagickFalse) |
| 5856 | { |
| 5857 | InheritException(exception,&tint_image->exception); |
| 5858 | tint_image=DestroyImage(tint_image); |
| 5859 | return((Image *) NULL); |
| 5860 | } |
| 5861 | if (opacity == (const char *) NULL) |
| 5862 | return(tint_image); |
| 5863 | /* |
| 5864 | Determine RGB values of the color. |
| 5865 | */ |
| 5866 | flags=ParseGeometry(opacity,&geometry_info); |
| 5867 | pixel.red=geometry_info.rho; |
| 5868 | if ((flags & SigmaValue) != 0) |
| 5869 | pixel.green=geometry_info.sigma; |
| 5870 | else |
| 5871 | pixel.green=pixel.red; |
| 5872 | if ((flags & XiValue) != 0) |
| 5873 | pixel.blue=geometry_info.xi; |
| 5874 | else |
| 5875 | pixel.blue=pixel.red; |
| 5876 | if ((flags & PsiValue) != 0) |
| 5877 | pixel.opacity=geometry_info.psi; |
| 5878 | else |
| 5879 | pixel.opacity=(MagickRealType) OpaqueOpacity; |
| 5880 | color_vector.red=(MagickRealType) (pixel.red*tint.red/100.0- |
| 5881 | PixelIntensity(&tint)); |
| 5882 | color_vector.green=(MagickRealType) (pixel.green*tint.green/100.0- |
| 5883 | PixelIntensity(&tint)); |
| 5884 | color_vector.blue=(MagickRealType) (pixel.blue*tint.blue/100.0- |
| 5885 | PixelIntensity(&tint)); |
| 5886 | /* |
| 5887 | Tint image. |
| 5888 | */ |
| 5889 | status=MagickTrue; |
| 5890 | progress=0; |
| 5891 | image_view=AcquireCacheView(image); |
| 5892 | tint_view=AcquireCacheView(tint_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5893 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 5894 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5895 | #endif |
| 5896 | for (y=0; y < (long) image->rows; y++) |
| 5897 | { |
| 5898 | register const PixelPacket |
| 5899 | *__restrict p; |
| 5900 | |
| 5901 | register long |
| 5902 | x; |
| 5903 | |
| 5904 | register PixelPacket |
| 5905 | *__restrict q; |
| 5906 | |
| 5907 | if (status == MagickFalse) |
| 5908 | continue; |
| 5909 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 5910 | q=QueueCacheViewAuthenticPixels(tint_view,0,y,tint_image->columns,1, |
| 5911 | exception); |
| 5912 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 5913 | { |
| 5914 | status=MagickFalse; |
| 5915 | continue; |
| 5916 | } |
| 5917 | for (x=0; x < (long) image->columns; x++) |
| 5918 | { |
| 5919 | MagickPixelPacket |
| 5920 | pixel; |
| 5921 | |
| 5922 | MagickRealType |
| 5923 | weight; |
| 5924 | |
| 5925 | weight=QuantumScale*p->red-0.5; |
| 5926 | pixel.red=(MagickRealType) p->red+color_vector.red*(1.0-(4.0* |
| 5927 | (weight*weight))); |
| 5928 | q->red=RoundToQuantum(pixel.red); |
| 5929 | weight=QuantumScale*p->green-0.5; |
| 5930 | pixel.green=(MagickRealType) p->green+color_vector.green*(1.0-(4.0* |
| 5931 | (weight*weight))); |
| 5932 | q->green=RoundToQuantum(pixel.green); |
| 5933 | weight=QuantumScale*p->blue-0.5; |
| 5934 | pixel.blue=(MagickRealType) p->blue+color_vector.blue*(1.0-(4.0* |
| 5935 | (weight*weight))); |
| 5936 | q->blue=RoundToQuantum(pixel.blue); |
| 5937 | q->opacity=p->opacity; |
| 5938 | p++; |
| 5939 | q++; |
| 5940 | } |
| 5941 | if (SyncCacheViewAuthenticPixels(tint_view,exception) == MagickFalse) |
| 5942 | status=MagickFalse; |
| 5943 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5944 | { |
| 5945 | MagickBooleanType |
| 5946 | proceed; |
| 5947 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 5948 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5949 | #pragma omp critical (MagickCore_TintImage) |
| 5950 | #endif |
| 5951 | proceed=SetImageProgress(image,TintImageTag,progress++,image->rows); |
| 5952 | if (proceed == MagickFalse) |
| 5953 | status=MagickFalse; |
| 5954 | } |
| 5955 | } |
| 5956 | tint_view=DestroyCacheView(tint_view); |
| 5957 | image_view=DestroyCacheView(image_view); |
| 5958 | if (status == MagickFalse) |
| 5959 | tint_image=DestroyImage(tint_image); |
| 5960 | return(tint_image); |
| 5961 | } |
| 5962 | |
| 5963 | /* |
| 5964 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5965 | % % |
| 5966 | % % |
| 5967 | % % |
| 5968 | % V i g n e t t e I m a g e % |
| 5969 | % % |
| 5970 | % % |
| 5971 | % % |
| 5972 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5973 | % |
| 5974 | % VignetteImage() softens the edges of the image in vignette style. |
| 5975 | % |
| 5976 | % The format of the VignetteImage method is: |
| 5977 | % |
| 5978 | % Image *VignetteImage(const Image *image,const double radius, |
| 5979 | % const double sigma,const long x,const long y,ExceptionInfo *exception) |
| 5980 | % |
| 5981 | % A description of each parameter follows: |
| 5982 | % |
| 5983 | % o image: the image. |
| 5984 | % |
| 5985 | % o radius: the radius of the pixel neighborhood. |
| 5986 | % |
| 5987 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 5988 | % |
| 5989 | % o x, y: Define the x and y ellipse offset. |
| 5990 | % |
| 5991 | % o exception: return any errors or warnings in this structure. |
| 5992 | % |
| 5993 | */ |
| 5994 | MagickExport Image *VignetteImage(const Image *image,const double radius, |
| 5995 | const double sigma,const long x,const long y,ExceptionInfo *exception) |
| 5996 | { |
| 5997 | char |
| 5998 | ellipse[MaxTextExtent]; |
| 5999 | |
| 6000 | DrawInfo |
| 6001 | *draw_info; |
| 6002 | |
| 6003 | Image |
| 6004 | *canvas_image, |
| 6005 | *blur_image, |
| 6006 | *oval_image, |
| 6007 | *vignette_image; |
| 6008 | |
| 6009 | assert(image != (Image *) NULL); |
| 6010 | assert(image->signature == MagickSignature); |
| 6011 | if (image->debug != MagickFalse) |
| 6012 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 6013 | assert(exception != (ExceptionInfo *) NULL); |
| 6014 | assert(exception->signature == MagickSignature); |
| 6015 | canvas_image=CloneImage(image,0,0,MagickTrue,exception); |
| 6016 | if (canvas_image == (Image *) NULL) |
| 6017 | return((Image *) NULL); |
| 6018 | if (SetImageStorageClass(canvas_image,DirectClass) == MagickFalse) |
| 6019 | { |
| 6020 | InheritException(exception,&canvas_image->exception); |
| 6021 | canvas_image=DestroyImage(canvas_image); |
| 6022 | return((Image *) NULL); |
| 6023 | } |
| 6024 | canvas_image->matte=MagickTrue; |
| 6025 | oval_image=CloneImage(canvas_image,canvas_image->columns, |
| 6026 | canvas_image->rows,MagickTrue,exception); |
| 6027 | if (oval_image == (Image *) NULL) |
| 6028 | { |
| 6029 | canvas_image=DestroyImage(canvas_image); |
| 6030 | return((Image *) NULL); |
| 6031 | } |
| 6032 | (void) QueryColorDatabase("#000000",&oval_image->background_color,exception); |
| 6033 | (void) SetImageBackgroundColor(oval_image); |
| 6034 | draw_info=CloneDrawInfo((const ImageInfo *) NULL,(const DrawInfo *) NULL); |
| 6035 | (void) QueryColorDatabase("#ffffff",&draw_info->fill,exception); |
| 6036 | (void) QueryColorDatabase("#ffffff",&draw_info->stroke,exception); |
| 6037 | (void) FormatMagickString(ellipse,MaxTextExtent, |
| 6038 | "ellipse %g,%g,%g,%g,0.0,360.0",image->columns/2.0,image->rows/2.0, |
| 6039 | image->columns/2.0-x,image->rows/2.0-y); |
| 6040 | draw_info->primitive=AcquireString(ellipse); |
| 6041 | (void) DrawImage(oval_image,draw_info); |
| 6042 | draw_info=DestroyDrawInfo(draw_info); |
| 6043 | blur_image=BlurImage(oval_image,radius,sigma,exception); |
| 6044 | oval_image=DestroyImage(oval_image); |
| 6045 | if (blur_image == (Image *) NULL) |
| 6046 | { |
| 6047 | canvas_image=DestroyImage(canvas_image); |
| 6048 | return((Image *) NULL); |
| 6049 | } |
| 6050 | blur_image->matte=MagickFalse; |
| 6051 | (void) CompositeImage(canvas_image,CopyOpacityCompositeOp,blur_image,0,0); |
| 6052 | blur_image=DestroyImage(blur_image); |
| 6053 | vignette_image=MergeImageLayers(canvas_image,FlattenLayer,exception); |
| 6054 | canvas_image=DestroyImage(canvas_image); |
| 6055 | return(vignette_image); |
| 6056 | } |
| 6057 | |
| 6058 | /* |
| 6059 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 6060 | % % |
| 6061 | % % |
| 6062 | % % |
| 6063 | % W a v e I m a g e % |
| 6064 | % % |
| 6065 | % % |
| 6066 | % % |
| 6067 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 6068 | % |
| 6069 | % WaveImage() creates a "ripple" effect in the image by shifting the pixels |
| 6070 | % vertically along a sine wave whose amplitude and wavelength is specified |
| 6071 | % by the given parameters. |
| 6072 | % |
| 6073 | % The format of the WaveImage method is: |
| 6074 | % |
| 6075 | % Image *WaveImage(const Image *image,const double amplitude, |
| 6076 | % const double wave_length,ExceptionInfo *exception) |
| 6077 | % |
| 6078 | % A description of each parameter follows: |
| 6079 | % |
| 6080 | % o image: the image. |
| 6081 | % |
| 6082 | % o amplitude, wave_length: Define the amplitude and wave length of the |
| 6083 | % sine wave. |
| 6084 | % |
| 6085 | % o exception: return any errors or warnings in this structure. |
| 6086 | % |
| 6087 | */ |
| 6088 | MagickExport Image *WaveImage(const Image *image,const double amplitude, |
| 6089 | const double wave_length,ExceptionInfo *exception) |
| 6090 | { |
| 6091 | #define WaveImageTag "Wave/Image" |
| 6092 | |
| 6093 | Image |
| 6094 | *wave_image; |
| 6095 | |
| 6096 | long |
| 6097 | progress, |
| 6098 | y; |
| 6099 | |
| 6100 | MagickBooleanType |
| 6101 | status; |
| 6102 | |
| 6103 | MagickPixelPacket |
| 6104 | zero; |
| 6105 | |
| 6106 | MagickRealType |
| 6107 | *sine_map; |
| 6108 | |
| 6109 | register long |
| 6110 | i; |
| 6111 | |
| 6112 | ResampleFilter |
| 6113 | **resample_filter; |
| 6114 | |
| 6115 | CacheView |
| 6116 | *wave_view; |
| 6117 | |
| 6118 | /* |
| 6119 | Initialize wave image attributes. |
| 6120 | */ |
| 6121 | assert(image != (Image *) NULL); |
| 6122 | assert(image->signature == MagickSignature); |
| 6123 | if (image->debug != MagickFalse) |
| 6124 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 6125 | assert(exception != (ExceptionInfo *) NULL); |
| 6126 | assert(exception->signature == MagickSignature); |
| 6127 | wave_image=CloneImage(image,image->columns,(unsigned long) (image->rows+2.0* |
| 6128 | fabs(amplitude)),MagickTrue,exception); |
| 6129 | if (wave_image == (Image *) NULL) |
| 6130 | return((Image *) NULL); |
| 6131 | if (SetImageStorageClass(wave_image,DirectClass) == MagickFalse) |
| 6132 | { |
| 6133 | InheritException(exception,&wave_image->exception); |
| 6134 | wave_image=DestroyImage(wave_image); |
| 6135 | return((Image *) NULL); |
| 6136 | } |
| 6137 | if (wave_image->background_color.opacity != OpaqueOpacity) |
| 6138 | wave_image->matte=MagickTrue; |
| 6139 | /* |
| 6140 | Allocate sine map. |
| 6141 | */ |
| 6142 | sine_map=(MagickRealType *) AcquireQuantumMemory((size_t) wave_image->columns, |
| 6143 | sizeof(*sine_map)); |
| 6144 | if (sine_map == (MagickRealType *) NULL) |
| 6145 | { |
| 6146 | wave_image=DestroyImage(wave_image); |
| 6147 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 6148 | } |
| 6149 | for (i=0; i < (long) wave_image->columns; i++) |
| 6150 | sine_map[i]=fabs(amplitude)+amplitude*sin((2*MagickPI*i)/wave_length); |
| 6151 | /* |
| 6152 | Wave image. |
| 6153 | */ |
| 6154 | status=MagickTrue; |
| 6155 | progress=0; |
| 6156 | GetMagickPixelPacket(wave_image,&zero); |
| 6157 | resample_filter=AcquireResampleFilterThreadSet(image,MagickTrue,exception); |
| 6158 | wave_view=AcquireCacheView(wave_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 6159 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 6160 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 6161 | #endif |
| 6162 | for (y=0; y < (long) wave_image->rows; y++) |
| 6163 | { |
| 6164 | MagickPixelPacket |
| 6165 | pixel; |
| 6166 | |
| 6167 | register IndexPacket |
| 6168 | *__restrict indexes; |
| 6169 | |
| 6170 | register long |
| 6171 | id, |
| 6172 | x; |
| 6173 | |
| 6174 | register PixelPacket |
| 6175 | *__restrict q; |
| 6176 | |
| 6177 | if (status == MagickFalse) |
| 6178 | continue; |
| 6179 | q=QueueCacheViewAuthenticPixels(wave_view,0,y,wave_image->columns,1, |
| 6180 | exception); |
| 6181 | if (q == (PixelPacket *) NULL) |
| 6182 | { |
| 6183 | status=MagickFalse; |
| 6184 | continue; |
| 6185 | } |
| 6186 | indexes=GetCacheViewAuthenticIndexQueue(wave_view); |
| 6187 | pixel=zero; |
| 6188 | id=GetOpenMPThreadId(); |
| 6189 | (void) SetResampleFilterVirtualPixelMethod(resample_filter[id], |
| 6190 | BackgroundVirtualPixelMethod); |
| 6191 | for (x=0; x < (long) wave_image->columns; x++) |
| 6192 | { |
| 6193 | (void) ResamplePixelColor(resample_filter[id],(double) x,(double) (y- |
| 6194 | sine_map[x]),&pixel); |
| 6195 | SetPixelPacket(wave_image,&pixel,q,indexes+x); |
| 6196 | q++; |
| 6197 | } |
| 6198 | if (SyncCacheViewAuthenticPixels(wave_view,exception) == MagickFalse) |
| 6199 | status=MagickFalse; |
| 6200 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 6201 | { |
| 6202 | MagickBooleanType |
| 6203 | proceed; |
| 6204 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame^] | 6205 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 6206 | #pragma omp critical (MagickCore_WaveImage) |
| 6207 | #endif |
| 6208 | proceed=SetImageProgress(image,WaveImageTag,progress++,image->rows); |
| 6209 | if (proceed == MagickFalse) |
| 6210 | status=MagickFalse; |
| 6211 | } |
| 6212 | } |
| 6213 | wave_view=DestroyCacheView(wave_view); |
| 6214 | resample_filter=DestroyResampleFilterThreadSet(resample_filter); |
| 6215 | sine_map=(MagickRealType *) RelinquishMagickMemory(sine_map); |
| 6216 | if (status == MagickFalse) |
| 6217 | wave_image=DestroyImage(wave_image); |
| 6218 | return(wave_image); |
| 6219 | } |