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 | % % |
cristy | 7e41fe8 | 2010-12-04 23:12:08 +0000 | [diff] [blame] | 20 | % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | % |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | Include declarations. |
| 42 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 43 | #include "MagickCore/studio.h" |
| 44 | #include "MagickCore/annotate.h" |
| 45 | #include "MagickCore/artifact.h" |
| 46 | #include "MagickCore/attribute.h" |
| 47 | #include "MagickCore/cache.h" |
| 48 | #include "MagickCore/cache-view.h" |
| 49 | #include "MagickCore/color.h" |
| 50 | #include "MagickCore/color-private.h" |
| 51 | #include "MagickCore/composite.h" |
| 52 | #include "MagickCore/decorate.h" |
| 53 | #include "MagickCore/draw.h" |
| 54 | #include "MagickCore/effect.h" |
| 55 | #include "MagickCore/enhance.h" |
| 56 | #include "MagickCore/exception.h" |
| 57 | #include "MagickCore/exception-private.h" |
| 58 | #include "MagickCore/fx.h" |
| 59 | #include "MagickCore/fx-private.h" |
| 60 | #include "MagickCore/gem.h" |
| 61 | #include "MagickCore/geometry.h" |
| 62 | #include "MagickCore/layer.h" |
| 63 | #include "MagickCore/list.h" |
| 64 | #include "MagickCore/log.h" |
| 65 | #include "MagickCore/image.h" |
| 66 | #include "MagickCore/image-private.h" |
| 67 | #include "MagickCore/magick.h" |
| 68 | #include "MagickCore/memory_.h" |
| 69 | #include "MagickCore/monitor.h" |
| 70 | #include "MagickCore/monitor-private.h" |
| 71 | #include "MagickCore/option.h" |
| 72 | #include "MagickCore/pixel.h" |
| 73 | #include "MagickCore/pixel-accessor.h" |
| 74 | #include "MagickCore/property.h" |
| 75 | #include "MagickCore/quantum.h" |
| 76 | #include "MagickCore/quantum-private.h" |
| 77 | #include "MagickCore/random_.h" |
| 78 | #include "MagickCore/random-private.h" |
| 79 | #include "MagickCore/resample.h" |
| 80 | #include "MagickCore/resample-private.h" |
| 81 | #include "MagickCore/resize.h" |
| 82 | #include "MagickCore/shear.h" |
| 83 | #include "MagickCore/splay-tree.h" |
| 84 | #include "MagickCore/statistic.h" |
| 85 | #include "MagickCore/string_.h" |
| 86 | #include "MagickCore/string-private.h" |
| 87 | #include "MagickCore/thread-private.h" |
| 88 | #include "MagickCore/transform.h" |
| 89 | #include "MagickCore/utility.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 90 | |
| 91 | /* |
| 92 | Define declarations. |
| 93 | */ |
| 94 | #define LeftShiftOperator 0xf5 |
| 95 | #define RightShiftOperator 0xf6 |
| 96 | #define LessThanEqualOperator 0xf7 |
| 97 | #define GreaterThanEqualOperator 0xf8 |
| 98 | #define EqualOperator 0xf9 |
| 99 | #define NotEqualOperator 0xfa |
| 100 | #define LogicalAndOperator 0xfb |
| 101 | #define LogicalOrOperator 0xfc |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 102 | #define ExponentialNotation 0xfd |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 103 | |
| 104 | struct _FxInfo |
| 105 | { |
| 106 | const Image |
| 107 | *images; |
| 108 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 109 | char |
| 110 | *expression; |
| 111 | |
| 112 | FILE |
| 113 | *file; |
| 114 | |
| 115 | SplayTreeInfo |
| 116 | *colors, |
| 117 | *symbols; |
| 118 | |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 119 | CacheView |
| 120 | **view; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 121 | |
| 122 | RandomInfo |
| 123 | *random_info; |
| 124 | |
| 125 | ExceptionInfo |
| 126 | *exception; |
| 127 | }; |
| 128 | |
| 129 | /* |
| 130 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 131 | % % |
| 132 | % % |
| 133 | % % |
| 134 | + A c q u i r e F x I n f o % |
| 135 | % % |
| 136 | % % |
| 137 | % % |
| 138 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 139 | % |
| 140 | % AcquireFxInfo() allocates the FxInfo structure. |
| 141 | % |
| 142 | % The format of the AcquireFxInfo method is: |
| 143 | % |
| 144 | % FxInfo *AcquireFxInfo(Image *image,const char *expression) |
cristy | 0a9b372 | 2010-10-23 18:45:49 +0000 | [diff] [blame] | 145 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 146 | % A description of each parameter follows: |
| 147 | % |
| 148 | % o image: the image. |
| 149 | % |
| 150 | % o expression: the expression. |
| 151 | % |
| 152 | */ |
| 153 | MagickExport FxInfo *AcquireFxInfo(const Image *image,const char *expression) |
| 154 | { |
| 155 | char |
| 156 | fx_op[2]; |
| 157 | |
cristy | cb18092 | 2011-03-11 14:41:24 +0000 | [diff] [blame] | 158 | const Image |
| 159 | *next; |
| 160 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 161 | FxInfo |
| 162 | *fx_info; |
| 163 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 164 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 165 | i; |
| 166 | |
cristy | 73bd4a5 | 2010-10-05 11:24:23 +0000 | [diff] [blame] | 167 | fx_info=(FxInfo *) AcquireMagickMemory(sizeof(*fx_info)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 168 | if (fx_info == (FxInfo *) NULL) |
| 169 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| 170 | (void) ResetMagickMemory(fx_info,0,sizeof(*fx_info)); |
| 171 | fx_info->exception=AcquireExceptionInfo(); |
anthony | 7d86e17 | 2011-03-23 12:37:06 +0000 | [diff] [blame] | 172 | fx_info->images=image; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 173 | fx_info->colors=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory, |
| 174 | RelinquishMagickMemory); |
| 175 | fx_info->symbols=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory, |
| 176 | RelinquishMagickMemory); |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 177 | fx_info->view=(CacheView **) AcquireQuantumMemory(GetImageListLength( |
| 178 | fx_info->images),sizeof(*fx_info->view)); |
| 179 | if (fx_info->view == (CacheView **) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 180 | ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
cristy | a226226 | 2011-03-11 02:50:37 +0000 | [diff] [blame] | 181 | i=0; |
cristy | 0ea377f | 2011-03-24 00:54:19 +0000 | [diff] [blame] | 182 | next=GetFirstImageInList(fx_info->images); |
| 183 | for ( ; next != (Image *) NULL; next=next->next) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 184 | { |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 185 | fx_info->view[i]=AcquireCacheView(next); |
cristy | a226226 | 2011-03-11 02:50:37 +0000 | [diff] [blame] | 186 | i++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 187 | } |
| 188 | fx_info->random_info=AcquireRandomInfo(); |
| 189 | fx_info->expression=ConstantString(expression); |
| 190 | fx_info->file=stderr; |
| 191 | (void) SubstituteString(&fx_info->expression," ",""); /* compact string */ |
cristy | 37af091 | 2011-05-23 16:09:42 +0000 | [diff] [blame] | 192 | /* |
| 193 | Force right-to-left associativity for unary negation. |
| 194 | */ |
| 195 | (void) SubstituteString(&fx_info->expression,"-","-1.0*"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 196 | if ((strstr(fx_info->expression,"e+") != (char *) NULL) || |
| 197 | (strstr(fx_info->expression,"e-") != (char *) NULL)) |
| 198 | { |
| 199 | /* |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 200 | Convert scientific notation. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 201 | */ |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 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^"); |
cristy | 2ffa8cd | 2011-05-24 12:45:55 +0000 | [diff] [blame] | 212 | (void) SubstituteString(&fx_info->expression,"0e-1.0*","0**10^-"); |
cristy | 37af091 | 2011-05-23 16:09:42 +0000 | [diff] [blame] | 213 | (void) SubstituteString(&fx_info->expression,"1e-1.0*","1**10^-"); |
| 214 | (void) SubstituteString(&fx_info->expression,"2e-1.0*","2**10^-"); |
| 215 | (void) SubstituteString(&fx_info->expression,"3e-1.0*","3**10^-"); |
| 216 | (void) SubstituteString(&fx_info->expression,"4e-1.0*","4**10^-"); |
| 217 | (void) SubstituteString(&fx_info->expression,"5e-1.0*","5**10^-"); |
| 218 | (void) SubstituteString(&fx_info->expression,"6e-1.0*","6**10^-"); |
| 219 | (void) SubstituteString(&fx_info->expression,"7e-1.0*","7**10^-"); |
| 220 | (void) SubstituteString(&fx_info->expression,"8e-1.0*","8**10^-"); |
| 221 | (void) SubstituteString(&fx_info->expression,"9e-1.0*","9**10^-"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 222 | } |
cristy | 37af091 | 2011-05-23 16:09:42 +0000 | [diff] [blame] | 223 | if ((strstr(fx_info->expression,"E+") != (char *) NULL) || |
| 224 | (strstr(fx_info->expression,"E-") != (char *) NULL)) |
| 225 | { |
| 226 | /* |
| 227 | Convert scientific notation. |
| 228 | */ |
| 229 | (void) SubstituteString(&fx_info->expression,"0E+","0**10^"); |
| 230 | (void) SubstituteString(&fx_info->expression,"1E+","1**10^"); |
| 231 | (void) SubstituteString(&fx_info->expression,"2E+","2**10^"); |
| 232 | (void) SubstituteString(&fx_info->expression,"3E+","3**10^"); |
| 233 | (void) SubstituteString(&fx_info->expression,"4E+","4**10^"); |
| 234 | (void) SubstituteString(&fx_info->expression,"5E+","5**10^"); |
| 235 | (void) SubstituteString(&fx_info->expression,"6E+","6**10^"); |
| 236 | (void) SubstituteString(&fx_info->expression,"7E+","7**10^"); |
| 237 | (void) SubstituteString(&fx_info->expression,"8E+","8**10^"); |
| 238 | (void) SubstituteString(&fx_info->expression,"9E+","9**10^"); |
cristy | 2ffa8cd | 2011-05-24 12:45:55 +0000 | [diff] [blame] | 239 | (void) SubstituteString(&fx_info->expression,"0E-1.0*","0**10^-"); |
cristy | 37af091 | 2011-05-23 16:09:42 +0000 | [diff] [blame] | 240 | (void) SubstituteString(&fx_info->expression,"1E-1.0*","1**10^-"); |
| 241 | (void) SubstituteString(&fx_info->expression,"2E-1.0*","2**10^-"); |
| 242 | (void) SubstituteString(&fx_info->expression,"3E-1.0*","3**10^-"); |
| 243 | (void) SubstituteString(&fx_info->expression,"4E-1.0*","4**10^-"); |
| 244 | (void) SubstituteString(&fx_info->expression,"5E-1.0*","5**10^-"); |
| 245 | (void) SubstituteString(&fx_info->expression,"6E-1.0*","6**10^-"); |
| 246 | (void) SubstituteString(&fx_info->expression,"7E-1.0*","7**10^-"); |
| 247 | (void) SubstituteString(&fx_info->expression,"8E-1.0*","8**10^-"); |
| 248 | (void) SubstituteString(&fx_info->expression,"9E-1.0*","9**10^-"); |
| 249 | } |
cristy | 8b8a3ae | 2010-10-23 18:49:46 +0000 | [diff] [blame] | 250 | /* |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 251 | Convert complex to simple operators. |
| 252 | */ |
| 253 | fx_op[1]='\0'; |
| 254 | *fx_op=(char) LeftShiftOperator; |
| 255 | (void) SubstituteString(&fx_info->expression,"<<",fx_op); |
| 256 | *fx_op=(char) RightShiftOperator; |
| 257 | (void) SubstituteString(&fx_info->expression,">>",fx_op); |
| 258 | *fx_op=(char) LessThanEqualOperator; |
| 259 | (void) SubstituteString(&fx_info->expression,"<=",fx_op); |
| 260 | *fx_op=(char) GreaterThanEqualOperator; |
| 261 | (void) SubstituteString(&fx_info->expression,">=",fx_op); |
| 262 | *fx_op=(char) EqualOperator; |
| 263 | (void) SubstituteString(&fx_info->expression,"==",fx_op); |
| 264 | *fx_op=(char) NotEqualOperator; |
| 265 | (void) SubstituteString(&fx_info->expression,"!=",fx_op); |
| 266 | *fx_op=(char) LogicalAndOperator; |
| 267 | (void) SubstituteString(&fx_info->expression,"&&",fx_op); |
| 268 | *fx_op=(char) LogicalOrOperator; |
| 269 | (void) SubstituteString(&fx_info->expression,"||",fx_op); |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 270 | *fx_op=(char) ExponentialNotation; |
| 271 | (void) SubstituteString(&fx_info->expression,"**",fx_op); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 272 | return(fx_info); |
| 273 | } |
| 274 | |
| 275 | /* |
| 276 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 277 | % % |
| 278 | % % |
| 279 | % % |
| 280 | % A d d N o i s e I m a g e % |
| 281 | % % |
| 282 | % % |
| 283 | % % |
| 284 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 285 | % |
| 286 | % AddNoiseImage() adds random noise to the image. |
| 287 | % |
| 288 | % The format of the AddNoiseImage method is: |
| 289 | % |
| 290 | % Image *AddNoiseImage(const Image *image,const NoiseType noise_type, |
| 291 | % ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 292 | % |
| 293 | % A description of each parameter follows: |
| 294 | % |
| 295 | % o image: the image. |
| 296 | % |
| 297 | % o channel: the channel type. |
| 298 | % |
| 299 | % o noise_type: The type of noise: Uniform, Gaussian, Multiplicative, |
| 300 | % Impulse, Laplacian, or Poisson. |
| 301 | % |
| 302 | % o exception: return any errors or warnings in this structure. |
| 303 | % |
| 304 | */ |
cristy | 490408a | 2011-07-07 14:42:05 +0000 | [diff] [blame] | 305 | MagickExport Image *AddNoiseImage(const Image *image,const NoiseType noise_type, ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 306 | { |
| 307 | #define AddNoiseImageTag "AddNoise/Image" |
| 308 | |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 309 | CacheView |
| 310 | *image_view, |
| 311 | *noise_view; |
| 312 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 313 | const char |
| 314 | *option; |
| 315 | |
| 316 | Image |
| 317 | *noise_image; |
| 318 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 319 | MagickBooleanType |
| 320 | status; |
| 321 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 322 | MagickOffsetType |
| 323 | progress; |
| 324 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 325 | MagickRealType |
| 326 | attenuate; |
| 327 | |
| 328 | RandomInfo |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 329 | **restrict random_info; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 330 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 331 | ssize_t |
| 332 | y; |
| 333 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 334 | /* |
| 335 | Initialize noise image attributes. |
| 336 | */ |
| 337 | assert(image != (const Image *) NULL); |
| 338 | assert(image->signature == MagickSignature); |
| 339 | if (image->debug != MagickFalse) |
| 340 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 341 | assert(exception != (ExceptionInfo *) NULL); |
| 342 | assert(exception->signature == MagickSignature); |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 343 | noise_image=CloneImage(image,0,0,MagickTrue,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 344 | if (noise_image == (Image *) NULL) |
| 345 | return((Image *) NULL); |
| 346 | if (SetImageStorageClass(noise_image,DirectClass) == MagickFalse) |
| 347 | { |
| 348 | InheritException(exception,&noise_image->exception); |
| 349 | noise_image=DestroyImage(noise_image); |
| 350 | return((Image *) NULL); |
| 351 | } |
| 352 | /* |
| 353 | Add noise in each row. |
| 354 | */ |
| 355 | attenuate=1.0; |
| 356 | option=GetImageArtifact(image,"attenuate"); |
| 357 | if (option != (char *) NULL) |
cristy | c1acd84 | 2011-05-19 23:05:47 +0000 | [diff] [blame] | 358 | attenuate=InterpretLocaleValue(option,(char **) NULL); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 359 | status=MagickTrue; |
| 360 | progress=0; |
| 361 | random_info=AcquireRandomInfoThreadSet(); |
| 362 | image_view=AcquireCacheView(image); |
| 363 | noise_view=AcquireCacheView(noise_image); |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 364 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 365 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 366 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 367 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 368 | { |
cristy | 5c9e6f2 | 2010-09-17 17:31:01 +0000 | [diff] [blame] | 369 | const int |
| 370 | id = GetOpenMPThreadId(); |
cristy | 6ebe97c | 2010-07-03 01:17:28 +0000 | [diff] [blame] | 371 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 372 | MagickBooleanType |
| 373 | sync; |
| 374 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 375 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 376 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 377 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 378 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 379 | x; |
| 380 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 381 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 382 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 383 | |
| 384 | if (status == MagickFalse) |
| 385 | continue; |
| 386 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 387 | q=GetCacheViewAuthenticPixels(noise_view,0,y,noise_image->columns,1, |
| 388 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 389 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 390 | { |
| 391 | status=MagickFalse; |
| 392 | continue; |
| 393 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 394 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 395 | { |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 396 | if ((GetPixelRedTraits(image) & UpdatePixelTrait) != 0) |
| 397 | SetPixelRed(noise_image,ClampToQuantum(GenerateDifferentialNoise( |
| 398 | random_info[id],GetPixelRed(image,p),noise_type,attenuate)),q); |
| 399 | if ((GetPixelGreenTraits(image) & UpdatePixelTrait) != 0) |
| 400 | SetPixelGreen(noise_image,ClampToQuantum(GenerateDifferentialNoise( |
| 401 | random_info[id],GetPixelGreen(image,p),noise_type,attenuate)),q); |
| 402 | if ((GetPixelBlueTraits(image) & UpdatePixelTrait) != 0) |
| 403 | SetPixelBlue(noise_image,ClampToQuantum(GenerateDifferentialNoise( |
| 404 | random_info[id],GetPixelBlue(image,p),noise_type,attenuate)),q); |
| 405 | if (((GetPixelBlackTraits(image) & UpdatePixelTrait) != 0) && |
| 406 | (image->colorspace == CMYKColorspace)) |
| 407 | SetPixelBlack(noise_image,ClampToQuantum(GenerateDifferentialNoise( |
| 408 | random_info[id],GetPixelBlack(image,p),noise_type,attenuate)),q); |
| 409 | if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0) |
| 410 | SetPixelAlpha(noise_image,ClampToQuantum(GenerateDifferentialNoise( |
| 411 | random_info[id],GetPixelAlpha(image,p),noise_type,attenuate)),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 412 | p+=GetPixelChannels(image); |
| 413 | q+=GetPixelChannels(noise_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 414 | } |
| 415 | sync=SyncCacheViewAuthenticPixels(noise_view,exception); |
| 416 | if (sync == MagickFalse) |
| 417 | status=MagickFalse; |
| 418 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 419 | { |
| 420 | MagickBooleanType |
| 421 | proceed; |
| 422 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 423 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 424 | #pragma omp critical (MagickCore_AddNoiseImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 425 | #endif |
| 426 | proceed=SetImageProgress(image,AddNoiseImageTag,progress++, |
| 427 | image->rows); |
| 428 | if (proceed == MagickFalse) |
| 429 | status=MagickFalse; |
| 430 | } |
| 431 | } |
| 432 | noise_view=DestroyCacheView(noise_view); |
| 433 | image_view=DestroyCacheView(image_view); |
| 434 | random_info=DestroyRandomInfoThreadSet(random_info); |
| 435 | if (status == MagickFalse) |
| 436 | noise_image=DestroyImage(noise_image); |
| 437 | return(noise_image); |
| 438 | } |
| 439 | |
| 440 | /* |
| 441 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 442 | % % |
| 443 | % % |
| 444 | % % |
| 445 | % B l u e S h i f t I m a g e % |
| 446 | % % |
| 447 | % % |
| 448 | % % |
| 449 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 450 | % |
| 451 | % BlueShiftImage() mutes the colors of the image to simulate a scene at |
| 452 | % nighttime in the moonlight. |
| 453 | % |
| 454 | % The format of the BlueShiftImage method is: |
| 455 | % |
| 456 | % Image *BlueShiftImage(const Image *image,const double factor, |
| 457 | % ExceptionInfo *exception) |
| 458 | % |
| 459 | % A description of each parameter follows: |
| 460 | % |
| 461 | % o image: the image. |
| 462 | % |
| 463 | % o factor: the shift factor. |
| 464 | % |
| 465 | % o exception: return any errors or warnings in this structure. |
| 466 | % |
| 467 | */ |
| 468 | MagickExport Image *BlueShiftImage(const Image *image,const double factor, |
| 469 | ExceptionInfo *exception) |
| 470 | { |
| 471 | #define BlueShiftImageTag "BlueShift/Image" |
| 472 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 473 | CacheView |
| 474 | *image_view, |
| 475 | *shift_view; |
| 476 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 477 | Image |
| 478 | *shift_image; |
| 479 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 480 | MagickBooleanType |
| 481 | status; |
| 482 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 483 | MagickOffsetType |
| 484 | progress; |
| 485 | |
| 486 | ssize_t |
| 487 | y; |
| 488 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 489 | /* |
| 490 | Allocate blue shift image. |
| 491 | */ |
| 492 | assert(image != (const Image *) NULL); |
| 493 | assert(image->signature == MagickSignature); |
| 494 | if (image->debug != MagickFalse) |
| 495 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 496 | assert(exception != (ExceptionInfo *) NULL); |
| 497 | assert(exception->signature == MagickSignature); |
| 498 | shift_image=CloneImage(image,image->columns,image->rows,MagickTrue, |
| 499 | exception); |
| 500 | if (shift_image == (Image *) NULL) |
| 501 | return((Image *) NULL); |
| 502 | if (SetImageStorageClass(shift_image,DirectClass) == MagickFalse) |
| 503 | { |
| 504 | InheritException(exception,&shift_image->exception); |
| 505 | shift_image=DestroyImage(shift_image); |
| 506 | return((Image *) NULL); |
| 507 | } |
| 508 | /* |
| 509 | Blue-shift DirectClass image. |
| 510 | */ |
| 511 | status=MagickTrue; |
| 512 | progress=0; |
| 513 | image_view=AcquireCacheView(image); |
| 514 | shift_view=AcquireCacheView(shift_image); |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 515 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 516 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 517 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 518 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 519 | { |
| 520 | MagickBooleanType |
| 521 | sync; |
| 522 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 523 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 524 | pixel; |
| 525 | |
| 526 | Quantum |
| 527 | quantum; |
| 528 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 529 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 530 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 531 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 532 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 533 | x; |
| 534 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 535 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 536 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 537 | |
| 538 | if (status == MagickFalse) |
| 539 | continue; |
| 540 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 541 | q=QueueCacheViewAuthenticPixels(shift_view,0,y,shift_image->columns,1, |
| 542 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 543 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 544 | { |
| 545 | status=MagickFalse; |
| 546 | continue; |
| 547 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 548 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 549 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 550 | quantum=GetPixelRed(image,p); |
| 551 | if (GetPixelGreen(image,p) < quantum) |
| 552 | quantum=GetPixelGreen(image,p); |
| 553 | if (GetPixelBlue(image,p) < quantum) |
| 554 | quantum=GetPixelBlue(image,p); |
| 555 | pixel.red=0.5*(GetPixelRed(image,p)+factor*quantum); |
| 556 | pixel.green=0.5*(GetPixelGreen(image,p)+factor*quantum); |
| 557 | pixel.blue=0.5*(GetPixelBlue(image,p)+factor*quantum); |
| 558 | quantum=GetPixelRed(image,p); |
| 559 | if (GetPixelGreen(image,p) > quantum) |
| 560 | quantum=GetPixelGreen(image,p); |
| 561 | if (GetPixelBlue(image,p) > quantum) |
| 562 | quantum=GetPixelBlue(image,p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 563 | pixel.red=0.5*(pixel.red+factor*quantum); |
| 564 | pixel.green=0.5*(pixel.green+factor*quantum); |
| 565 | pixel.blue=0.5*(pixel.blue+factor*quantum); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 566 | SetPixelRed(shift_image,ClampToQuantum(pixel.red),q); |
| 567 | SetPixelGreen(shift_image,ClampToQuantum(pixel.green),q); |
| 568 | SetPixelBlue(shift_image,ClampToQuantum(pixel.blue),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 569 | p+=GetPixelChannels(image); |
| 570 | q+=GetPixelChannels(shift_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 571 | } |
| 572 | sync=SyncCacheViewAuthenticPixels(shift_view,exception); |
| 573 | if (sync == MagickFalse) |
| 574 | status=MagickFalse; |
| 575 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 576 | { |
| 577 | MagickBooleanType |
| 578 | proceed; |
| 579 | |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 580 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 581 | #pragma omp critical (MagickCore_BlueShiftImage) |
| 582 | #endif |
| 583 | proceed=SetImageProgress(image,BlueShiftImageTag,progress++, |
| 584 | image->rows); |
| 585 | if (proceed == MagickFalse) |
| 586 | status=MagickFalse; |
| 587 | } |
| 588 | } |
| 589 | image_view=DestroyCacheView(image_view); |
| 590 | shift_view=DestroyCacheView(shift_view); |
| 591 | if (status == MagickFalse) |
| 592 | shift_image=DestroyImage(shift_image); |
| 593 | return(shift_image); |
| 594 | } |
| 595 | |
| 596 | /* |
| 597 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 598 | % % |
| 599 | % % |
| 600 | % % |
| 601 | % C h a r c o a l I m a g e % |
| 602 | % % |
| 603 | % % |
| 604 | % % |
| 605 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 606 | % |
| 607 | % CharcoalImage() creates a new image that is a copy of an existing one with |
| 608 | % the edge highlighted. It allocates the memory necessary for the new Image |
| 609 | % structure and returns a pointer to the new image. |
| 610 | % |
| 611 | % The format of the CharcoalImage method is: |
| 612 | % |
| 613 | % Image *CharcoalImage(const Image *image,const double radius, |
| 614 | % const double sigma,ExceptionInfo *exception) |
| 615 | % |
| 616 | % A description of each parameter follows: |
| 617 | % |
| 618 | % o image: the image. |
| 619 | % |
| 620 | % o radius: the radius of the pixel neighborhood. |
| 621 | % |
| 622 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 623 | % |
| 624 | % o exception: return any errors or warnings in this structure. |
| 625 | % |
| 626 | */ |
| 627 | MagickExport Image *CharcoalImage(const Image *image,const double radius, |
| 628 | const double sigma,ExceptionInfo *exception) |
| 629 | { |
| 630 | Image |
| 631 | *charcoal_image, |
| 632 | *clone_image, |
| 633 | *edge_image; |
| 634 | |
| 635 | assert(image != (Image *) NULL); |
| 636 | assert(image->signature == MagickSignature); |
| 637 | if (image->debug != MagickFalse) |
| 638 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 639 | assert(exception != (ExceptionInfo *) NULL); |
| 640 | assert(exception->signature == MagickSignature); |
| 641 | clone_image=CloneImage(image,0,0,MagickTrue,exception); |
| 642 | if (clone_image == (Image *) NULL) |
| 643 | return((Image *) NULL); |
| 644 | (void) SetImageType(clone_image,GrayscaleType); |
| 645 | edge_image=EdgeImage(clone_image,radius,exception); |
| 646 | clone_image=DestroyImage(clone_image); |
| 647 | if (edge_image == (Image *) NULL) |
| 648 | return((Image *) NULL); |
| 649 | charcoal_image=BlurImage(edge_image,radius,sigma,exception); |
| 650 | edge_image=DestroyImage(edge_image); |
| 651 | if (charcoal_image == (Image *) NULL) |
| 652 | return((Image *) NULL); |
| 653 | (void) NormalizeImage(charcoal_image); |
cristy | b3e7c6c | 2011-07-24 01:43:55 +0000 | [diff] [blame] | 654 | (void) NegateImage(charcoal_image,MagickFalse,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 655 | (void) SetImageType(charcoal_image,GrayscaleType); |
| 656 | return(charcoal_image); |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 661 | % % |
| 662 | % % |
| 663 | % % |
| 664 | % C o l o r i z e I m a g e % |
| 665 | % % |
| 666 | % % |
| 667 | % % |
| 668 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 669 | % |
| 670 | % ColorizeImage() blends the fill color with each pixel in the image. |
| 671 | % A percentage blend is specified with opacity. Control the application |
| 672 | % of different color components by specifying a different percentage for |
| 673 | % each component (e.g. 90/100/10 is 90% red, 100% green, and 10% blue). |
| 674 | % |
| 675 | % The format of the ColorizeImage method is: |
| 676 | % |
| 677 | % Image *ColorizeImage(const Image *image,const char *opacity, |
| 678 | % const PixelPacket colorize,ExceptionInfo *exception) |
| 679 | % |
| 680 | % A description of each parameter follows: |
| 681 | % |
| 682 | % o image: the image. |
| 683 | % |
| 684 | % o opacity: A character string indicating the level of opacity as a |
| 685 | % percentage. |
| 686 | % |
| 687 | % o colorize: A color value. |
| 688 | % |
| 689 | % o exception: return any errors or warnings in this structure. |
| 690 | % |
| 691 | */ |
| 692 | MagickExport Image *ColorizeImage(const Image *image,const char *opacity, |
| 693 | const PixelPacket colorize,ExceptionInfo *exception) |
| 694 | { |
| 695 | #define ColorizeImageTag "Colorize/Image" |
| 696 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 697 | CacheView |
| 698 | *colorize_view, |
| 699 | *image_view; |
| 700 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 701 | GeometryInfo |
| 702 | geometry_info; |
| 703 | |
| 704 | Image |
| 705 | *colorize_image; |
| 706 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 707 | MagickBooleanType |
| 708 | status; |
| 709 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 710 | MagickOffsetType |
| 711 | progress; |
| 712 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 713 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 714 | pixel; |
| 715 | |
| 716 | MagickStatusType |
| 717 | flags; |
| 718 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 719 | ssize_t |
| 720 | y; |
| 721 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 722 | /* |
| 723 | Allocate colorized image. |
| 724 | */ |
| 725 | assert(image != (const Image *) NULL); |
| 726 | assert(image->signature == MagickSignature); |
| 727 | if (image->debug != MagickFalse) |
| 728 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 729 | assert(exception != (ExceptionInfo *) NULL); |
| 730 | assert(exception->signature == MagickSignature); |
| 731 | colorize_image=CloneImage(image,image->columns,image->rows,MagickTrue, |
| 732 | exception); |
| 733 | if (colorize_image == (Image *) NULL) |
| 734 | return((Image *) NULL); |
| 735 | if (SetImageStorageClass(colorize_image,DirectClass) == MagickFalse) |
| 736 | { |
| 737 | InheritException(exception,&colorize_image->exception); |
| 738 | colorize_image=DestroyImage(colorize_image); |
| 739 | return((Image *) NULL); |
| 740 | } |
| 741 | if (opacity == (const char *) NULL) |
| 742 | return(colorize_image); |
| 743 | /* |
| 744 | Determine RGB values of the pen color. |
| 745 | */ |
| 746 | flags=ParseGeometry(opacity,&geometry_info); |
| 747 | pixel.red=geometry_info.rho; |
| 748 | pixel.green=geometry_info.rho; |
| 749 | pixel.blue=geometry_info.rho; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 750 | pixel.alpha=(MagickRealType) OpaqueAlpha; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 751 | if ((flags & SigmaValue) != 0) |
| 752 | pixel.green=geometry_info.sigma; |
| 753 | if ((flags & XiValue) != 0) |
| 754 | pixel.blue=geometry_info.xi; |
| 755 | if ((flags & PsiValue) != 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 756 | pixel.alpha=geometry_info.psi; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 757 | /* |
| 758 | Colorize DirectClass image. |
| 759 | */ |
| 760 | status=MagickTrue; |
| 761 | progress=0; |
| 762 | image_view=AcquireCacheView(image); |
| 763 | colorize_view=AcquireCacheView(colorize_image); |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 764 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 765 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 766 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 767 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 768 | { |
| 769 | MagickBooleanType |
| 770 | sync; |
| 771 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 772 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 773 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 774 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 775 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 776 | x; |
| 777 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 778 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 779 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 780 | |
| 781 | if (status == MagickFalse) |
| 782 | continue; |
| 783 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 784 | q=QueueCacheViewAuthenticPixels(colorize_view,0,y,colorize_image->columns,1, |
| 785 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 786 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 787 | { |
| 788 | status=MagickFalse; |
| 789 | continue; |
| 790 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 791 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 792 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 793 | SetPixelRed(colorize_image,ClampToQuantum((GetPixelRed(image,p)* |
| 794 | (100.0-pixel.red)+colorize.red*pixel.red)/100.0),q); |
| 795 | SetPixelGreen(colorize_image,ClampToQuantum((GetPixelGreen(image,p)* |
| 796 | (100.0-pixel.green)+colorize.green*pixel.green)/100.0),q); |
| 797 | SetPixelBlue(colorize_image,ClampToQuantum((GetPixelBlue(image,p)* |
| 798 | (100.0-pixel.blue)+colorize.blue*pixel.blue)/100.0),q); |
| 799 | SetPixelAlpha(colorize_image,ClampToQuantum((GetPixelAlpha(image,p)* |
| 800 | (100.0-pixel.alpha)+colorize.alpha*pixel.alpha)/100.0),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 801 | p+=GetPixelChannels(image); |
| 802 | q+=GetPixelChannels(colorize_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 803 | } |
| 804 | sync=SyncCacheViewAuthenticPixels(colorize_view,exception); |
| 805 | if (sync == MagickFalse) |
| 806 | status=MagickFalse; |
| 807 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 808 | { |
| 809 | MagickBooleanType |
| 810 | proceed; |
| 811 | |
cristy | 319a1e7 | 2010-02-21 15:13:11 +0000 | [diff] [blame] | 812 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 813 | #pragma omp critical (MagickCore_ColorizeImage) |
| 814 | #endif |
| 815 | proceed=SetImageProgress(image,ColorizeImageTag,progress++,image->rows); |
| 816 | if (proceed == MagickFalse) |
| 817 | status=MagickFalse; |
| 818 | } |
| 819 | } |
| 820 | image_view=DestroyCacheView(image_view); |
| 821 | colorize_view=DestroyCacheView(colorize_view); |
| 822 | if (status == MagickFalse) |
| 823 | colorize_image=DestroyImage(colorize_image); |
| 824 | return(colorize_image); |
| 825 | } |
| 826 | |
| 827 | /* |
| 828 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 829 | % % |
| 830 | % % |
| 831 | % % |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 832 | % C o l o r M a t r i x I m a g e % |
| 833 | % % |
| 834 | % % |
| 835 | % % |
| 836 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 837 | % |
| 838 | % ColorMatrixImage() applies color transformation to an image. This method |
| 839 | % permits saturation changes, hue rotation, luminance to alpha, and various |
| 840 | % other effects. Although variable-sized transformation matrices can be used, |
| 841 | % typically one uses a 5x5 matrix for an RGBA image and a 6x6 for CMYKA |
| 842 | % (or RGBA with offsets). The matrix is similar to those used by Adobe Flash |
| 843 | % except offsets are in column 6 rather than 5 (in support of CMYKA images) |
| 844 | % and offsets are normalized (divide Flash offset by 255). |
| 845 | % |
| 846 | % The format of the ColorMatrixImage method is: |
| 847 | % |
| 848 | % Image *ColorMatrixImage(const Image *image, |
| 849 | % const KernelInfo *color_matrix,ExceptionInfo *exception) |
| 850 | % |
| 851 | % A description of each parameter follows: |
| 852 | % |
| 853 | % o image: the image. |
| 854 | % |
| 855 | % o color_matrix: the color matrix. |
| 856 | % |
| 857 | % o exception: return any errors or warnings in this structure. |
| 858 | % |
| 859 | */ |
| 860 | MagickExport Image *ColorMatrixImage(const Image *image, |
| 861 | const KernelInfo *color_matrix,ExceptionInfo *exception) |
| 862 | { |
| 863 | #define ColorMatrixImageTag "ColorMatrix/Image" |
| 864 | |
| 865 | CacheView |
| 866 | *color_view, |
| 867 | *image_view; |
| 868 | |
| 869 | double |
| 870 | ColorMatrix[6][6] = |
| 871 | { |
| 872 | { 1.0, 0.0, 0.0, 0.0, 0.0, 0.0 }, |
| 873 | { 0.0, 1.0, 0.0, 0.0, 0.0, 0.0 }, |
| 874 | { 0.0, 0.0, 1.0, 0.0, 0.0, 0.0 }, |
| 875 | { 0.0, 0.0, 0.0, 1.0, 0.0, 0.0 }, |
| 876 | { 0.0, 0.0, 0.0, 0.0, 1.0, 0.0 }, |
| 877 | { 0.0, 0.0, 0.0, 0.0, 0.0, 1.0 } |
| 878 | }; |
| 879 | |
| 880 | Image |
| 881 | *color_image; |
| 882 | |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 883 | MagickBooleanType |
| 884 | status; |
| 885 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 886 | MagickOffsetType |
| 887 | progress; |
| 888 | |
| 889 | register ssize_t |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 890 | i; |
| 891 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 892 | ssize_t |
| 893 | u, |
| 894 | v, |
| 895 | y; |
| 896 | |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 897 | /* |
| 898 | Create color matrix. |
| 899 | */ |
| 900 | assert(image != (Image *) NULL); |
| 901 | assert(image->signature == MagickSignature); |
| 902 | if (image->debug != MagickFalse) |
| 903 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 904 | assert(exception != (ExceptionInfo *) NULL); |
| 905 | assert(exception->signature == MagickSignature); |
| 906 | i=0; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 907 | for (v=0; v < (ssize_t) color_matrix->height; v++) |
| 908 | for (u=0; u < (ssize_t) color_matrix->width; u++) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 909 | { |
| 910 | if ((v < 6) && (u < 6)) |
| 911 | ColorMatrix[v][u]=color_matrix->values[i]; |
| 912 | i++; |
| 913 | } |
| 914 | /* |
| 915 | Initialize color image. |
| 916 | */ |
cristy | 12550e6 | 2010-06-07 12:46:40 +0000 | [diff] [blame] | 917 | color_image=CloneImage(image,0,0,MagickTrue,exception); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 918 | if (color_image == (Image *) NULL) |
| 919 | return((Image *) NULL); |
| 920 | if (SetImageStorageClass(color_image,DirectClass) == MagickFalse) |
| 921 | { |
| 922 | InheritException(exception,&color_image->exception); |
| 923 | color_image=DestroyImage(color_image); |
| 924 | return((Image *) NULL); |
| 925 | } |
| 926 | if (image->debug != MagickFalse) |
| 927 | { |
| 928 | char |
| 929 | format[MaxTextExtent], |
| 930 | *message; |
| 931 | |
| 932 | (void) LogMagickEvent(TransformEvent,GetMagickModule(), |
| 933 | " ColorMatrix image with color matrix:"); |
| 934 | message=AcquireString(""); |
| 935 | for (v=0; v < 6; v++) |
| 936 | { |
| 937 | *message='\0'; |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 938 | (void) FormatLocaleString(format,MaxTextExtent,"%.20g: ",(double) v); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 939 | (void) ConcatenateString(&message,format); |
| 940 | for (u=0; u < 6; u++) |
| 941 | { |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 942 | (void) FormatLocaleString(format,MaxTextExtent,"%+f ", |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 943 | ColorMatrix[v][u]); |
| 944 | (void) ConcatenateString(&message,format); |
| 945 | } |
| 946 | (void) LogMagickEvent(TransformEvent,GetMagickModule(),"%s",message); |
| 947 | } |
| 948 | message=DestroyString(message); |
| 949 | } |
| 950 | /* |
| 951 | ColorMatrix image. |
| 952 | */ |
| 953 | status=MagickTrue; |
| 954 | progress=0; |
| 955 | image_view=AcquireCacheView(image); |
| 956 | color_view=AcquireCacheView(color_image); |
| 957 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 958 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
| 959 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 960 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 961 | { |
| 962 | MagickRealType |
| 963 | pixel; |
| 964 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 965 | register const Quantum |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 966 | *restrict p; |
| 967 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 968 | register Quantum |
| 969 | *restrict q; |
| 970 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 971 | register ssize_t |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 972 | x; |
| 973 | |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 974 | if (status == MagickFalse) |
| 975 | continue; |
| 976 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 977 | q=GetCacheViewAuthenticPixels(color_view,0,y,color_image->columns,1, |
| 978 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 979 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 980 | { |
| 981 | status=MagickFalse; |
| 982 | continue; |
| 983 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 984 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 985 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 986 | register ssize_t |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 987 | v; |
| 988 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 989 | size_t |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 990 | height; |
| 991 | |
| 992 | height=color_matrix->height > 6 ? 6UL : color_matrix->height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 993 | for (v=0; v < (ssize_t) height; v++) |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 994 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 995 | pixel=ColorMatrix[v][0]*GetPixelRed(image,p)+ColorMatrix[v][1]* |
| 996 | GetPixelGreen(image,p)+ColorMatrix[v][2]*GetPixelBlue(image,p); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 997 | if (image->colorspace == CMYKColorspace) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 998 | pixel+=ColorMatrix[v][3]*GetPixelBlack(image,p); |
| 999 | if (image->matte != MagickFalse) |
| 1000 | pixel+=ColorMatrix[v][4]*GetPixelAlpha(image,p); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1001 | pixel+=QuantumRange*ColorMatrix[v][5]; |
| 1002 | switch (v) |
| 1003 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1004 | case 0: SetPixelRed(color_image,ClampToQuantum(pixel),q); break; |
| 1005 | case 1: SetPixelGreen(color_image,ClampToQuantum(pixel),q); break; |
| 1006 | case 2: SetPixelBlue(color_image,ClampToQuantum(pixel),q); break; |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1007 | case 3: |
| 1008 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1009 | if (image->colorspace == CMYKColorspace) |
| 1010 | SetPixelBlack(color_image,ClampToQuantum(pixel),q); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1011 | break; |
| 1012 | } |
| 1013 | case 4: |
| 1014 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1015 | if (image->matte != MagickFalse) |
| 1016 | SetPixelAlpha(color_image,ClampToQuantum(pixel),q); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1017 | break; |
| 1018 | } |
| 1019 | } |
| 1020 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1021 | p+=GetPixelChannels(image); |
| 1022 | q+=GetPixelChannels(color_image); |
cristy | e636559 | 2010-04-02 17:31:23 +0000 | [diff] [blame] | 1023 | } |
| 1024 | if (SyncCacheViewAuthenticPixels(color_view,exception) == MagickFalse) |
| 1025 | status=MagickFalse; |
| 1026 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1027 | { |
| 1028 | MagickBooleanType |
| 1029 | proceed; |
| 1030 | |
| 1031 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1032 | #pragma omp critical (MagickCore_ColorMatrixImage) |
| 1033 | #endif |
| 1034 | proceed=SetImageProgress(image,ColorMatrixImageTag,progress++, |
| 1035 | image->rows); |
| 1036 | if (proceed == MagickFalse) |
| 1037 | status=MagickFalse; |
| 1038 | } |
| 1039 | } |
| 1040 | color_view=DestroyCacheView(color_view); |
| 1041 | image_view=DestroyCacheView(image_view); |
| 1042 | if (status == MagickFalse) |
| 1043 | color_image=DestroyImage(color_image); |
| 1044 | return(color_image); |
| 1045 | } |
| 1046 | |
| 1047 | /* |
| 1048 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1049 | % % |
| 1050 | % % |
| 1051 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1052 | + D e s t r o y F x I n f o % |
| 1053 | % % |
| 1054 | % % |
| 1055 | % % |
| 1056 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1057 | % |
| 1058 | % DestroyFxInfo() deallocates memory associated with an FxInfo structure. |
| 1059 | % |
| 1060 | % The format of the DestroyFxInfo method is: |
| 1061 | % |
| 1062 | % ImageInfo *DestroyFxInfo(ImageInfo *fx_info) |
| 1063 | % |
| 1064 | % A description of each parameter follows: |
| 1065 | % |
| 1066 | % o fx_info: the fx info. |
| 1067 | % |
| 1068 | */ |
| 1069 | MagickExport FxInfo *DestroyFxInfo(FxInfo *fx_info) |
| 1070 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1071 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1072 | i; |
| 1073 | |
| 1074 | fx_info->exception=DestroyExceptionInfo(fx_info->exception); |
| 1075 | fx_info->expression=DestroyString(fx_info->expression); |
| 1076 | fx_info->symbols=DestroySplayTree(fx_info->symbols); |
| 1077 | fx_info->colors=DestroySplayTree(fx_info->colors); |
cristy | 0ea377f | 2011-03-24 00:54:19 +0000 | [diff] [blame] | 1078 | for (i=(ssize_t) GetImageListLength(fx_info->images)-1; i >= 0; i--) |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 1079 | fx_info->view[i]=DestroyCacheView(fx_info->view[i]); |
| 1080 | fx_info->view=(CacheView **) RelinquishMagickMemory(fx_info->view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1081 | fx_info->random_info=DestroyRandomInfo(fx_info->random_info); |
| 1082 | fx_info=(FxInfo *) RelinquishMagickMemory(fx_info); |
| 1083 | return(fx_info); |
| 1084 | } |
| 1085 | |
| 1086 | /* |
| 1087 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1088 | % % |
| 1089 | % % |
| 1090 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1091 | + 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 % |
| 1092 | % % |
| 1093 | % % |
| 1094 | % % |
| 1095 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1096 | % |
| 1097 | % FxEvaluateChannelExpression() evaluates an expression and returns the |
| 1098 | % results. |
| 1099 | % |
| 1100 | % The format of the FxEvaluateExpression method is: |
| 1101 | % |
| 1102 | % MagickRealType FxEvaluateChannelExpression(FxInfo *fx_info, |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1103 | % const PixelChannel channel,const ssize_t x,const ssize_t y, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1104 | % MagickRealType *alpha,Exceptioninfo *exception) |
| 1105 | % MagickRealType FxEvaluateExpression(FxInfo *fx_info, |
| 1106 | % MagickRealType *alpha,Exceptioninfo *exception) |
| 1107 | % |
| 1108 | % A description of each parameter follows: |
| 1109 | % |
| 1110 | % o fx_info: the fx info. |
| 1111 | % |
| 1112 | % o channel: the channel. |
| 1113 | % |
| 1114 | % o x,y: the pixel position. |
| 1115 | % |
| 1116 | % o alpha: the result. |
| 1117 | % |
| 1118 | % o exception: return any errors or warnings in this structure. |
| 1119 | % |
| 1120 | */ |
| 1121 | |
cristy | 351842f | 2010-03-07 15:27:38 +0000 | [diff] [blame] | 1122 | static inline double MagickMax(const double x,const double y) |
| 1123 | { |
| 1124 | if (x > y) |
| 1125 | return(x); |
| 1126 | return(y); |
| 1127 | } |
| 1128 | |
| 1129 | static inline double MagickMin(const double x,const double y) |
| 1130 | { |
| 1131 | if (x < y) |
| 1132 | return(x); |
| 1133 | return(y); |
| 1134 | } |
| 1135 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1136 | static MagickRealType FxChannelStatistics(FxInfo *fx_info,const Image *image, |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1137 | PixelChannel channel,const char *symbol,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1138 | { |
| 1139 | char |
| 1140 | key[MaxTextExtent], |
| 1141 | statistic[MaxTextExtent]; |
| 1142 | |
| 1143 | const char |
| 1144 | *value; |
| 1145 | |
| 1146 | register const char |
| 1147 | *p; |
| 1148 | |
| 1149 | for (p=symbol; (*p != '.') && (*p != '\0'); p++) ; |
| 1150 | if (*p == '.') |
| 1151 | switch (*++p) /* e.g. depth.r */ |
| 1152 | { |
| 1153 | case 'r': channel=RedChannel; break; |
| 1154 | case 'g': channel=GreenChannel; break; |
| 1155 | case 'b': channel=BlueChannel; break; |
| 1156 | case 'c': channel=CyanChannel; break; |
| 1157 | case 'm': channel=MagentaChannel; break; |
| 1158 | case 'y': channel=YellowChannel; break; |
| 1159 | case 'k': channel=BlackChannel; break; |
| 1160 | default: break; |
| 1161 | } |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1162 | (void) FormatLocaleString(key,MaxTextExtent,"%p.%.20g.%s",(void *) image, |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 1163 | (double) channel,symbol); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1164 | value=(const char *) GetValueFromSplayTree(fx_info->symbols,key); |
| 1165 | if (value != (const char *) NULL) |
cristy | c1acd84 | 2011-05-19 23:05:47 +0000 | [diff] [blame] | 1166 | return(QuantumScale*InterpretLocaleValue(value,(char **) NULL)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1167 | (void) DeleteNodeFromSplayTree(fx_info->symbols,key); |
| 1168 | if (LocaleNCompare(symbol,"depth",5) == 0) |
| 1169 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1170 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1171 | depth; |
| 1172 | |
cristy | fefab1b | 2011-07-05 00:33:22 +0000 | [diff] [blame] | 1173 | depth=GetImageDepth(image,exception); |
| 1174 | (void) FormatLocaleString(statistic,MaxTextExtent,"%.20g",(double) depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1175 | } |
| 1176 | if (LocaleNCompare(symbol,"kurtosis",8) == 0) |
| 1177 | { |
| 1178 | double |
| 1179 | kurtosis, |
| 1180 | skewness; |
| 1181 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1182 | (void) GetImageKurtosis(image,&kurtosis,&skewness,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1183 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g",kurtosis); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1184 | } |
| 1185 | if (LocaleNCompare(symbol,"maxima",6) == 0) |
| 1186 | { |
| 1187 | double |
| 1188 | maxima, |
| 1189 | minima; |
| 1190 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1191 | (void) GetImageRange(image,&minima,&maxima,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1192 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g",maxima); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1193 | } |
| 1194 | if (LocaleNCompare(symbol,"mean",4) == 0) |
| 1195 | { |
| 1196 | double |
| 1197 | mean, |
| 1198 | standard_deviation; |
| 1199 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1200 | (void) GetImageMean(image,&mean,&standard_deviation,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1201 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g",mean); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1202 | } |
| 1203 | if (LocaleNCompare(symbol,"minima",6) == 0) |
| 1204 | { |
| 1205 | double |
| 1206 | maxima, |
| 1207 | minima; |
| 1208 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1209 | (void) GetImageRange(image,&minima,&maxima,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1210 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g",minima); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1211 | } |
| 1212 | if (LocaleNCompare(symbol,"skewness",8) == 0) |
| 1213 | { |
| 1214 | double |
| 1215 | kurtosis, |
| 1216 | skewness; |
| 1217 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1218 | (void) GetImageKurtosis(image,&kurtosis,&skewness,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1219 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g",skewness); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1220 | } |
| 1221 | if (LocaleNCompare(symbol,"standard_deviation",18) == 0) |
| 1222 | { |
| 1223 | double |
| 1224 | mean, |
| 1225 | standard_deviation; |
| 1226 | |
cristy | d42d995 | 2011-07-08 14:21:50 +0000 | [diff] [blame] | 1227 | (void) GetImageMean(image,&mean,&standard_deviation,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 1228 | (void) FormatLocaleString(statistic,MaxTextExtent,"%g", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1229 | standard_deviation); |
| 1230 | } |
| 1231 | (void) AddValueToSplayTree(fx_info->symbols,ConstantString(key), |
| 1232 | ConstantString(statistic)); |
cristy | c1acd84 | 2011-05-19 23:05:47 +0000 | [diff] [blame] | 1233 | return(QuantumScale*InterpretLocaleValue(statistic,(char **) NULL)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1234 | } |
| 1235 | |
| 1236 | static MagickRealType |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1237 | FxEvaluateSubexpression(FxInfo *,const PixelChannel,const ssize_t, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 1238 | const ssize_t,const char *,MagickRealType *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1239 | |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1240 | static inline MagickRealType FxMax(FxInfo *fx_info,const PixelChannel channel, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 1241 | const ssize_t x,const ssize_t y,const char *expression, |
| 1242 | ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1243 | { |
| 1244 | MagickRealType |
| 1245 | alpha, |
| 1246 | beta; |
| 1247 | |
| 1248 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression,&beta,exception); |
| 1249 | return((MagickRealType) MagickMax((double) alpha,(double) beta)); |
| 1250 | } |
| 1251 | |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1252 | static inline MagickRealType FxMin(FxInfo *fx_info,PixelChannel channel, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 1253 | const ssize_t x,const ssize_t y,const char *expression, |
| 1254 | ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1255 | { |
| 1256 | MagickRealType |
| 1257 | alpha, |
| 1258 | beta; |
| 1259 | |
| 1260 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression,&beta,exception); |
| 1261 | return((MagickRealType) MagickMin((double) alpha,(double) beta)); |
| 1262 | } |
| 1263 | |
| 1264 | static inline const char *FxSubexpression(const char *expression, |
| 1265 | ExceptionInfo *exception) |
| 1266 | { |
| 1267 | const char |
| 1268 | *subexpression; |
| 1269 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1270 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1271 | level; |
| 1272 | |
| 1273 | level=0; |
| 1274 | subexpression=expression; |
| 1275 | while ((*subexpression != '\0') && |
| 1276 | ((level != 1) || (strchr(")",(int) *subexpression) == (char *) NULL))) |
| 1277 | { |
| 1278 | if (strchr("(",(int) *subexpression) != (char *) NULL) |
| 1279 | level++; |
| 1280 | else |
| 1281 | if (strchr(")",(int) *subexpression) != (char *) NULL) |
| 1282 | level--; |
| 1283 | subexpression++; |
| 1284 | } |
| 1285 | if (*subexpression == '\0') |
| 1286 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1287 | "UnbalancedParenthesis","`%s'",expression); |
| 1288 | return(subexpression); |
| 1289 | } |
| 1290 | |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1291 | static MagickRealType FxGetSymbol(FxInfo *fx_info,const PixelChannel channel, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 1292 | const ssize_t x,const ssize_t y,const char *expression, |
| 1293 | ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1294 | { |
| 1295 | char |
| 1296 | *q, |
| 1297 | subexpression[MaxTextExtent], |
| 1298 | symbol[MaxTextExtent]; |
| 1299 | |
| 1300 | const char |
| 1301 | *p, |
| 1302 | *value; |
| 1303 | |
| 1304 | Image |
| 1305 | *image; |
| 1306 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1307 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1308 | pixel; |
| 1309 | |
| 1310 | MagickRealType |
| 1311 | alpha, |
| 1312 | beta; |
| 1313 | |
| 1314 | PointInfo |
| 1315 | point; |
| 1316 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1317 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1318 | i; |
| 1319 | |
| 1320 | size_t |
| 1321 | length; |
| 1322 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1323 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1324 | level; |
| 1325 | |
| 1326 | p=expression; |
| 1327 | i=GetImageIndexInList(fx_info->images); |
| 1328 | level=0; |
| 1329 | point.x=(double) x; |
| 1330 | point.y=(double) y; |
| 1331 | if (isalpha((int) *(p+1)) == 0) |
| 1332 | { |
| 1333 | if (strchr("suv",(int) *p) != (char *) NULL) |
| 1334 | { |
| 1335 | switch (*p) |
| 1336 | { |
| 1337 | case 's': |
| 1338 | default: |
| 1339 | { |
| 1340 | i=GetImageIndexInList(fx_info->images); |
| 1341 | break; |
| 1342 | } |
| 1343 | case 'u': i=0; break; |
| 1344 | case 'v': i=1; break; |
| 1345 | } |
| 1346 | p++; |
| 1347 | if (*p == '[') |
| 1348 | { |
| 1349 | level++; |
| 1350 | q=subexpression; |
| 1351 | for (p++; *p != '\0'; ) |
| 1352 | { |
| 1353 | if (*p == '[') |
| 1354 | level++; |
| 1355 | else |
| 1356 | if (*p == ']') |
| 1357 | { |
| 1358 | level--; |
| 1359 | if (level == 0) |
| 1360 | break; |
| 1361 | } |
| 1362 | *q++=(*p++); |
| 1363 | } |
| 1364 | *q='\0'; |
| 1365 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 1366 | &beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1367 | i=(ssize_t) (alpha+0.5); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1368 | p++; |
| 1369 | } |
| 1370 | if (*p == '.') |
| 1371 | p++; |
| 1372 | } |
| 1373 | if ((isalpha((int) *(p+1)) == 0) && (*p == 'p')) |
| 1374 | { |
| 1375 | p++; |
| 1376 | if (*p == '{') |
| 1377 | { |
| 1378 | level++; |
| 1379 | q=subexpression; |
| 1380 | for (p++; *p != '\0'; ) |
| 1381 | { |
| 1382 | if (*p == '{') |
| 1383 | level++; |
| 1384 | else |
| 1385 | if (*p == '}') |
| 1386 | { |
| 1387 | level--; |
| 1388 | if (level == 0) |
| 1389 | break; |
| 1390 | } |
| 1391 | *q++=(*p++); |
| 1392 | } |
| 1393 | *q='\0'; |
| 1394 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 1395 | &beta,exception); |
| 1396 | point.x=alpha; |
| 1397 | point.y=beta; |
| 1398 | p++; |
| 1399 | } |
| 1400 | else |
| 1401 | if (*p == '[') |
| 1402 | { |
| 1403 | level++; |
| 1404 | q=subexpression; |
| 1405 | for (p++; *p != '\0'; ) |
| 1406 | { |
| 1407 | if (*p == '[') |
| 1408 | level++; |
| 1409 | else |
| 1410 | if (*p == ']') |
| 1411 | { |
| 1412 | level--; |
| 1413 | if (level == 0) |
| 1414 | break; |
| 1415 | } |
| 1416 | *q++=(*p++); |
| 1417 | } |
| 1418 | *q='\0'; |
| 1419 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression, |
| 1420 | &beta,exception); |
| 1421 | point.x+=alpha; |
| 1422 | point.y+=beta; |
| 1423 | p++; |
| 1424 | } |
| 1425 | if (*p == '.') |
| 1426 | p++; |
| 1427 | } |
| 1428 | } |
| 1429 | length=GetImageListLength(fx_info->images); |
| 1430 | while (i < 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1431 | i+=(ssize_t) length; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1432 | i%=length; |
| 1433 | image=GetImageFromList(fx_info->images,i); |
| 1434 | if (image == (Image *) NULL) |
| 1435 | { |
| 1436 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1437 | "NoSuchImage","`%s'",expression); |
| 1438 | return(0.0); |
| 1439 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1440 | GetPixelInfo(image,&pixel); |
| 1441 | (void) InterpolatePixelInfo(image,fx_info->view[i],image->interpolate, |
cristy | 4f82071 | 2011-04-01 12:35:43 +0000 | [diff] [blame] | 1442 | point.x,point.y,&pixel,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1443 | if ((strlen(p) > 2) && |
| 1444 | (LocaleCompare(p,"intensity") != 0) && |
| 1445 | (LocaleCompare(p,"luminance") != 0) && |
| 1446 | (LocaleCompare(p,"hue") != 0) && |
| 1447 | (LocaleCompare(p,"saturation") != 0) && |
| 1448 | (LocaleCompare(p,"lightness") != 0)) |
| 1449 | { |
| 1450 | char |
| 1451 | name[MaxTextExtent]; |
| 1452 | |
| 1453 | (void) CopyMagickString(name,p,MaxTextExtent); |
| 1454 | for (q=name+(strlen(name)-1); q > name; q--) |
| 1455 | { |
| 1456 | if (*q == ')') |
| 1457 | break; |
| 1458 | if (*q == '.') |
| 1459 | { |
| 1460 | *q='\0'; |
| 1461 | break; |
| 1462 | } |
| 1463 | } |
| 1464 | if ((strlen(name) > 2) && |
| 1465 | (GetValueFromSplayTree(fx_info->symbols,name) == (const char *) NULL)) |
| 1466 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1467 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1468 | *color; |
| 1469 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1470 | color=(PixelInfo *) GetValueFromSplayTree(fx_info->colors,name); |
| 1471 | if (color != (PixelInfo *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1472 | { |
| 1473 | pixel=(*color); |
| 1474 | p+=strlen(name); |
| 1475 | } |
| 1476 | else |
| 1477 | if (QueryMagickColor(name,&pixel,fx_info->exception) != MagickFalse) |
| 1478 | { |
| 1479 | (void) AddValueToSplayTree(fx_info->colors,ConstantString(name), |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1480 | ClonePixelInfo(&pixel)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1481 | p+=strlen(name); |
| 1482 | } |
| 1483 | } |
| 1484 | } |
| 1485 | (void) CopyMagickString(symbol,p,MaxTextExtent); |
| 1486 | StripString(symbol); |
| 1487 | if (*symbol == '\0') |
| 1488 | { |
| 1489 | switch (channel) |
| 1490 | { |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1491 | case RedPixelChannel: return(QuantumScale*pixel.red); |
| 1492 | case GreenPixelChannel: return(QuantumScale*pixel.green); |
| 1493 | case BluePixelChannel: return(QuantumScale*pixel.blue); |
| 1494 | case BlackPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1495 | { |
| 1496 | if (image->colorspace != CMYKColorspace) |
| 1497 | { |
| 1498 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 1499 | OptionError,"ColorSeparatedImageRequired","`%s'", |
| 1500 | image->filename); |
| 1501 | return(0.0); |
| 1502 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1503 | return(QuantumScale*pixel.black); |
| 1504 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1505 | case AlphaPixelChannel: |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1506 | { |
| 1507 | MagickRealType |
| 1508 | alpha; |
| 1509 | |
| 1510 | if (pixel.matte == MagickFalse) |
| 1511 | return(1.0); |
| 1512 | alpha=(MagickRealType) (QuantumScale*pixel.alpha); |
| 1513 | return(alpha); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1514 | } |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 1515 | case IntensityPixelChannel: |
cristy | f364ed4 | 2010-12-15 01:54:43 +0000 | [diff] [blame] | 1516 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1517 | return(QuantumScale*GetPixelInfoIntensity(&pixel)); |
cristy | f364ed4 | 2010-12-15 01:54:43 +0000 | [diff] [blame] | 1518 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1519 | default: |
| 1520 | break; |
| 1521 | } |
| 1522 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1523 | "UnableToParseExpression","`%s'",p); |
| 1524 | return(0.0); |
| 1525 | } |
| 1526 | switch (*symbol) |
| 1527 | { |
| 1528 | case 'A': |
| 1529 | case 'a': |
| 1530 | { |
| 1531 | if (LocaleCompare(symbol,"a") == 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1532 | return((MagickRealType) (QuantumScale*pixel.alpha)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1533 | break; |
| 1534 | } |
| 1535 | case 'B': |
| 1536 | case 'b': |
| 1537 | { |
| 1538 | if (LocaleCompare(symbol,"b") == 0) |
| 1539 | return(QuantumScale*pixel.blue); |
| 1540 | break; |
| 1541 | } |
| 1542 | case 'C': |
| 1543 | case 'c': |
| 1544 | { |
| 1545 | if (LocaleNCompare(symbol,"channel",7) == 0) |
| 1546 | { |
| 1547 | GeometryInfo |
| 1548 | channel_info; |
| 1549 | |
| 1550 | MagickStatusType |
| 1551 | flags; |
| 1552 | |
| 1553 | flags=ParseGeometry(symbol+7,&channel_info); |
| 1554 | if (image->colorspace == CMYKColorspace) |
| 1555 | switch (channel) |
| 1556 | { |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1557 | case CyanPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1558 | { |
| 1559 | if ((flags & RhoValue) == 0) |
| 1560 | return(0.0); |
| 1561 | return(channel_info.rho); |
| 1562 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1563 | case MagentaPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1564 | { |
| 1565 | if ((flags & SigmaValue) == 0) |
| 1566 | return(0.0); |
| 1567 | return(channel_info.sigma); |
| 1568 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1569 | case YellowPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1570 | { |
| 1571 | if ((flags & XiValue) == 0) |
| 1572 | return(0.0); |
| 1573 | return(channel_info.xi); |
| 1574 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1575 | case BlackPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1576 | { |
| 1577 | if ((flags & PsiValue) == 0) |
| 1578 | return(0.0); |
| 1579 | return(channel_info.psi); |
| 1580 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1581 | case AlphaPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1582 | { |
| 1583 | if ((flags & ChiValue) == 0) |
| 1584 | return(0.0); |
| 1585 | return(channel_info.chi); |
| 1586 | } |
| 1587 | default: |
| 1588 | return(0.0); |
| 1589 | } |
| 1590 | switch (channel) |
| 1591 | { |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1592 | case RedPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1593 | { |
| 1594 | if ((flags & RhoValue) == 0) |
| 1595 | return(0.0); |
| 1596 | return(channel_info.rho); |
| 1597 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1598 | case GreenPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1599 | { |
| 1600 | if ((flags & SigmaValue) == 0) |
| 1601 | return(0.0); |
| 1602 | return(channel_info.sigma); |
| 1603 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1604 | case BluePixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1605 | { |
| 1606 | if ((flags & XiValue) == 0) |
| 1607 | return(0.0); |
| 1608 | return(channel_info.xi); |
| 1609 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1610 | case BlackPixelChannel: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1611 | { |
| 1612 | if ((flags & ChiValue) == 0) |
| 1613 | return(0.0); |
| 1614 | return(channel_info.chi); |
| 1615 | } |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 1616 | case AlphaPixelChannel: |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1617 | { |
| 1618 | if ((flags & PsiValue) == 0) |
| 1619 | return(0.0); |
| 1620 | return(channel_info.psi); |
| 1621 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1622 | default: |
| 1623 | return(0.0); |
| 1624 | } |
| 1625 | return(0.0); |
| 1626 | } |
| 1627 | if (LocaleCompare(symbol,"c") == 0) |
| 1628 | return(QuantumScale*pixel.red); |
| 1629 | break; |
| 1630 | } |
| 1631 | case 'D': |
| 1632 | case 'd': |
| 1633 | { |
| 1634 | if (LocaleNCompare(symbol,"depth",5) == 0) |
| 1635 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1636 | break; |
| 1637 | } |
| 1638 | case 'G': |
| 1639 | case 'g': |
| 1640 | { |
| 1641 | if (LocaleCompare(symbol,"g") == 0) |
| 1642 | return(QuantumScale*pixel.green); |
| 1643 | break; |
| 1644 | } |
| 1645 | case 'K': |
| 1646 | case 'k': |
| 1647 | { |
| 1648 | if (LocaleNCompare(symbol,"kurtosis",8) == 0) |
| 1649 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1650 | if (LocaleCompare(symbol,"k") == 0) |
| 1651 | { |
| 1652 | if (image->colorspace != CMYKColorspace) |
| 1653 | { |
| 1654 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 1655 | OptionError,"ColorSeparatedImageRequired","`%s'", |
| 1656 | image->filename); |
| 1657 | return(0.0); |
| 1658 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1659 | return(QuantumScale*pixel.black); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1660 | } |
| 1661 | break; |
| 1662 | } |
| 1663 | case 'H': |
| 1664 | case 'h': |
| 1665 | { |
| 1666 | if (LocaleCompare(symbol,"h") == 0) |
| 1667 | return((MagickRealType) image->rows); |
| 1668 | if (LocaleCompare(symbol,"hue") == 0) |
| 1669 | { |
| 1670 | double |
| 1671 | hue, |
| 1672 | lightness, |
| 1673 | saturation; |
| 1674 | |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1675 | ConvertRGBToHSL(ClampToQuantum(pixel.red),ClampToQuantum(pixel.green), |
| 1676 | ClampToQuantum(pixel.blue),&hue,&saturation,&lightness); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1677 | return(hue); |
| 1678 | } |
| 1679 | break; |
| 1680 | } |
| 1681 | case 'I': |
| 1682 | case 'i': |
| 1683 | { |
| 1684 | if ((LocaleCompare(symbol,"image.depth") == 0) || |
| 1685 | (LocaleCompare(symbol,"image.minima") == 0) || |
| 1686 | (LocaleCompare(symbol,"image.maxima") == 0) || |
| 1687 | (LocaleCompare(symbol,"image.mean") == 0) || |
| 1688 | (LocaleCompare(symbol,"image.kurtosis") == 0) || |
| 1689 | (LocaleCompare(symbol,"image.skewness") == 0) || |
| 1690 | (LocaleCompare(symbol,"image.standard_deviation") == 0)) |
| 1691 | return(FxChannelStatistics(fx_info,image,channel,symbol+6,exception)); |
| 1692 | if (LocaleCompare(symbol,"image.resolution.x") == 0) |
| 1693 | return(image->x_resolution); |
| 1694 | if (LocaleCompare(symbol,"image.resolution.y") == 0) |
| 1695 | return(image->y_resolution); |
| 1696 | if (LocaleCompare(symbol,"intensity") == 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1697 | return(QuantumScale*GetPixelInfoIntensity(&pixel)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1698 | if (LocaleCompare(symbol,"i") == 0) |
| 1699 | return((MagickRealType) x); |
| 1700 | break; |
| 1701 | } |
| 1702 | case 'J': |
| 1703 | case 'j': |
| 1704 | { |
| 1705 | if (LocaleCompare(symbol,"j") == 0) |
| 1706 | return((MagickRealType) y); |
| 1707 | break; |
| 1708 | } |
| 1709 | case 'L': |
| 1710 | case 'l': |
| 1711 | { |
| 1712 | if (LocaleCompare(symbol,"lightness") == 0) |
| 1713 | { |
| 1714 | double |
| 1715 | hue, |
| 1716 | lightness, |
| 1717 | saturation; |
| 1718 | |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1719 | ConvertRGBToHSL(ClampToQuantum(pixel.red),ClampToQuantum(pixel.green), |
| 1720 | ClampToQuantum(pixel.blue),&hue,&saturation,&lightness); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1721 | return(lightness); |
| 1722 | } |
| 1723 | if (LocaleCompare(symbol,"luminance") == 0) |
| 1724 | { |
| 1725 | double |
| 1726 | luminence; |
| 1727 | |
| 1728 | luminence=0.2126*pixel.red+0.7152*pixel.green+0.0722*pixel.blue; |
| 1729 | return(QuantumScale*luminence); |
| 1730 | } |
| 1731 | break; |
| 1732 | } |
| 1733 | case 'M': |
| 1734 | case 'm': |
| 1735 | { |
| 1736 | if (LocaleNCompare(symbol,"maxima",6) == 0) |
| 1737 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1738 | if (LocaleNCompare(symbol,"mean",4) == 0) |
| 1739 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1740 | if (LocaleNCompare(symbol,"minima",6) == 0) |
| 1741 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1742 | if (LocaleCompare(symbol,"m") == 0) |
| 1743 | return(QuantumScale*pixel.blue); |
| 1744 | break; |
| 1745 | } |
| 1746 | case 'N': |
| 1747 | case 'n': |
| 1748 | { |
| 1749 | if (LocaleCompare(symbol,"n") == 0) |
anthony | 374f5dd | 2011-03-25 10:08:53 +0000 | [diff] [blame] | 1750 | return((MagickRealType) GetImageListLength(fx_info->images)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1751 | break; |
| 1752 | } |
| 1753 | case 'O': |
| 1754 | case 'o': |
| 1755 | { |
| 1756 | if (LocaleCompare(symbol,"o") == 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1757 | return(QuantumScale*pixel.alpha); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1758 | break; |
| 1759 | } |
| 1760 | case 'P': |
| 1761 | case 'p': |
| 1762 | { |
| 1763 | if (LocaleCompare(symbol,"page.height") == 0) |
| 1764 | return((MagickRealType) image->page.height); |
| 1765 | if (LocaleCompare(symbol,"page.width") == 0) |
| 1766 | return((MagickRealType) image->page.width); |
| 1767 | if (LocaleCompare(symbol,"page.x") == 0) |
| 1768 | return((MagickRealType) image->page.x); |
| 1769 | if (LocaleCompare(symbol,"page.y") == 0) |
| 1770 | return((MagickRealType) image->page.y); |
| 1771 | break; |
| 1772 | } |
| 1773 | case 'R': |
| 1774 | case 'r': |
| 1775 | { |
| 1776 | if (LocaleCompare(symbol,"resolution.x") == 0) |
| 1777 | return(image->x_resolution); |
| 1778 | if (LocaleCompare(symbol,"resolution.y") == 0) |
| 1779 | return(image->y_resolution); |
| 1780 | if (LocaleCompare(symbol,"r") == 0) |
| 1781 | return(QuantumScale*pixel.red); |
| 1782 | break; |
| 1783 | } |
| 1784 | case 'S': |
| 1785 | case 's': |
| 1786 | { |
| 1787 | if (LocaleCompare(symbol,"saturation") == 0) |
| 1788 | { |
| 1789 | double |
| 1790 | hue, |
| 1791 | lightness, |
| 1792 | saturation; |
| 1793 | |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1794 | ConvertRGBToHSL(ClampToQuantum(pixel.red),ClampToQuantum(pixel.green), |
| 1795 | ClampToQuantum(pixel.blue),&hue,&saturation,&lightness); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1796 | return(saturation); |
| 1797 | } |
| 1798 | if (LocaleNCompare(symbol,"skewness",8) == 0) |
| 1799 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1800 | if (LocaleNCompare(symbol,"standard_deviation",18) == 0) |
| 1801 | return(FxChannelStatistics(fx_info,image,channel,symbol,exception)); |
| 1802 | break; |
| 1803 | } |
| 1804 | case 'T': |
| 1805 | case 't': |
| 1806 | { |
| 1807 | if (LocaleCompare(symbol,"t") == 0) |
cristy | 5a15b93 | 2011-03-26 12:50:33 +0000 | [diff] [blame] | 1808 | return((MagickRealType) GetImageIndexInList(fx_info->images)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1809 | break; |
| 1810 | } |
| 1811 | case 'W': |
| 1812 | case 'w': |
| 1813 | { |
| 1814 | if (LocaleCompare(symbol,"w") == 0) |
| 1815 | return((MagickRealType) image->columns); |
| 1816 | break; |
| 1817 | } |
| 1818 | case 'Y': |
| 1819 | case 'y': |
| 1820 | { |
| 1821 | if (LocaleCompare(symbol,"y") == 0) |
| 1822 | return(QuantumScale*pixel.green); |
| 1823 | break; |
| 1824 | } |
| 1825 | case 'Z': |
| 1826 | case 'z': |
| 1827 | { |
| 1828 | if (LocaleCompare(symbol,"z") == 0) |
| 1829 | { |
| 1830 | MagickRealType |
| 1831 | depth; |
| 1832 | |
cristy | fefab1b | 2011-07-05 00:33:22 +0000 | [diff] [blame] | 1833 | depth=(MagickRealType) GetImageDepth(image,fx_info->exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1834 | return(depth); |
| 1835 | } |
| 1836 | break; |
| 1837 | } |
| 1838 | default: |
| 1839 | break; |
| 1840 | } |
| 1841 | value=(const char *) GetValueFromSplayTree(fx_info->symbols,symbol); |
| 1842 | if (value != (const char *) NULL) |
cristy | c1acd84 | 2011-05-19 23:05:47 +0000 | [diff] [blame] | 1843 | return((MagickRealType) InterpretLocaleValue(value,(char **) NULL)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1844 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 1845 | "UnableToParseExpression","`%s'",symbol); |
| 1846 | return(0.0); |
| 1847 | } |
| 1848 | |
| 1849 | static const char *FxOperatorPrecedence(const char *expression, |
| 1850 | ExceptionInfo *exception) |
| 1851 | { |
| 1852 | typedef enum |
| 1853 | { |
| 1854 | UndefinedPrecedence, |
| 1855 | NullPrecedence, |
| 1856 | BitwiseComplementPrecedence, |
| 1857 | ExponentPrecedence, |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 1858 | ExponentialNotationPrecedence, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1859 | MultiplyPrecedence, |
| 1860 | AdditionPrecedence, |
| 1861 | ShiftPrecedence, |
| 1862 | RelationalPrecedence, |
| 1863 | EquivalencyPrecedence, |
| 1864 | BitwiseAndPrecedence, |
| 1865 | BitwiseOrPrecedence, |
| 1866 | LogicalAndPrecedence, |
| 1867 | LogicalOrPrecedence, |
| 1868 | TernaryPrecedence, |
| 1869 | AssignmentPrecedence, |
| 1870 | CommaPrecedence, |
| 1871 | SeparatorPrecedence |
| 1872 | } FxPrecedence; |
| 1873 | |
| 1874 | FxPrecedence |
| 1875 | precedence, |
| 1876 | target; |
| 1877 | |
| 1878 | register const char |
| 1879 | *subexpression; |
| 1880 | |
| 1881 | register int |
| 1882 | c; |
| 1883 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1884 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1885 | level; |
| 1886 | |
| 1887 | c=0; |
| 1888 | level=0; |
| 1889 | subexpression=(const char *) NULL; |
| 1890 | target=NullPrecedence; |
| 1891 | while (*expression != '\0') |
| 1892 | { |
| 1893 | precedence=UndefinedPrecedence; |
| 1894 | if ((isspace((int) ((char) *expression)) != 0) || (c == (int) '@')) |
| 1895 | { |
| 1896 | expression++; |
| 1897 | continue; |
| 1898 | } |
cristy | 488fa88 | 2010-03-01 22:34:24 +0000 | [diff] [blame] | 1899 | switch (*expression) |
| 1900 | { |
| 1901 | case 'A': |
| 1902 | case 'a': |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1903 | { |
cristy | 488fa88 | 2010-03-01 22:34:24 +0000 | [diff] [blame] | 1904 | if (LocaleNCompare(expression,"atan2",5) == 0) |
| 1905 | { |
| 1906 | expression+=5; |
| 1907 | break; |
| 1908 | } |
| 1909 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1910 | } |
cristy | 488fa88 | 2010-03-01 22:34:24 +0000 | [diff] [blame] | 1911 | case 'J': |
| 1912 | case 'j': |
| 1913 | { |
| 1914 | if ((LocaleNCompare(expression,"j0",2) == 0) || |
| 1915 | (LocaleNCompare(expression,"j1",2) == 0)) |
| 1916 | { |
| 1917 | expression+=2; |
| 1918 | break; |
| 1919 | } |
| 1920 | break; |
| 1921 | } |
cristy | 2def932 | 2010-06-18 23:59:37 +0000 | [diff] [blame] | 1922 | case '#': |
| 1923 | { |
| 1924 | while (isxdigit((int) ((unsigned char) *(expression+1))) != 0) |
| 1925 | expression++; |
| 1926 | break; |
| 1927 | } |
cristy | 488fa88 | 2010-03-01 22:34:24 +0000 | [diff] [blame] | 1928 | default: |
| 1929 | break; |
| 1930 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1931 | if ((c == (int) '{') || (c == (int) '[')) |
| 1932 | level++; |
| 1933 | else |
| 1934 | if ((c == (int) '}') || (c == (int) ']')) |
| 1935 | level--; |
| 1936 | if (level == 0) |
| 1937 | switch ((unsigned char) *expression) |
| 1938 | { |
| 1939 | case '~': |
| 1940 | case '!': |
| 1941 | { |
| 1942 | precedence=BitwiseComplementPrecedence; |
| 1943 | break; |
| 1944 | } |
| 1945 | case '^': |
cristy | 6621e25 | 2010-08-13 00:42:57 +0000 | [diff] [blame] | 1946 | case '@': |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1947 | { |
| 1948 | precedence=ExponentPrecedence; |
| 1949 | break; |
| 1950 | } |
| 1951 | default: |
| 1952 | { |
| 1953 | if (((c != 0) && ((isdigit((int) ((char) c)) != 0) || |
| 1954 | (strchr(")",c) != (char *) NULL))) && |
| 1955 | (((islower((int) ((char) *expression)) != 0) || |
| 1956 | (strchr("(",(int) *expression) != (char *) NULL)) || |
| 1957 | ((isdigit((int) ((char) c)) == 0) && |
| 1958 | (isdigit((int) ((char) *expression)) != 0))) && |
| 1959 | (strchr("xy",(int) *expression) == (char *) NULL)) |
| 1960 | precedence=MultiplyPrecedence; |
| 1961 | break; |
| 1962 | } |
| 1963 | case '*': |
| 1964 | case '/': |
| 1965 | case '%': |
| 1966 | { |
| 1967 | precedence=MultiplyPrecedence; |
| 1968 | break; |
| 1969 | } |
| 1970 | case '+': |
| 1971 | case '-': |
| 1972 | { |
| 1973 | if ((strchr("(+-/*%:&^|<>~,",c) == (char *) NULL) || |
| 1974 | (isalpha(c) != 0)) |
| 1975 | precedence=AdditionPrecedence; |
| 1976 | break; |
| 1977 | } |
| 1978 | case LeftShiftOperator: |
| 1979 | case RightShiftOperator: |
| 1980 | { |
| 1981 | precedence=ShiftPrecedence; |
| 1982 | break; |
| 1983 | } |
| 1984 | case '<': |
| 1985 | case LessThanEqualOperator: |
| 1986 | case GreaterThanEqualOperator: |
| 1987 | case '>': |
| 1988 | { |
| 1989 | precedence=RelationalPrecedence; |
| 1990 | break; |
| 1991 | } |
| 1992 | case EqualOperator: |
| 1993 | case NotEqualOperator: |
| 1994 | { |
| 1995 | precedence=EquivalencyPrecedence; |
| 1996 | break; |
| 1997 | } |
| 1998 | case '&': |
| 1999 | { |
| 2000 | precedence=BitwiseAndPrecedence; |
| 2001 | break; |
| 2002 | } |
| 2003 | case '|': |
| 2004 | { |
| 2005 | precedence=BitwiseOrPrecedence; |
| 2006 | break; |
| 2007 | } |
| 2008 | case LogicalAndOperator: |
| 2009 | { |
| 2010 | precedence=LogicalAndPrecedence; |
| 2011 | break; |
| 2012 | } |
| 2013 | case LogicalOrOperator: |
| 2014 | { |
| 2015 | precedence=LogicalOrPrecedence; |
| 2016 | break; |
| 2017 | } |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 2018 | case ExponentialNotation: |
| 2019 | { |
| 2020 | precedence=ExponentialNotationPrecedence; |
| 2021 | break; |
| 2022 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2023 | case ':': |
| 2024 | case '?': |
| 2025 | { |
| 2026 | precedence=TernaryPrecedence; |
| 2027 | break; |
| 2028 | } |
| 2029 | case '=': |
| 2030 | { |
| 2031 | precedence=AssignmentPrecedence; |
| 2032 | break; |
| 2033 | } |
| 2034 | case ',': |
| 2035 | { |
| 2036 | precedence=CommaPrecedence; |
| 2037 | break; |
| 2038 | } |
| 2039 | case ';': |
| 2040 | { |
| 2041 | precedence=SeparatorPrecedence; |
| 2042 | break; |
| 2043 | } |
| 2044 | } |
| 2045 | if ((precedence == BitwiseComplementPrecedence) || |
| 2046 | (precedence == TernaryPrecedence) || |
| 2047 | (precedence == AssignmentPrecedence)) |
| 2048 | { |
| 2049 | if (precedence > target) |
| 2050 | { |
| 2051 | /* |
| 2052 | Right-to-left associativity. |
| 2053 | */ |
| 2054 | target=precedence; |
| 2055 | subexpression=expression; |
| 2056 | } |
| 2057 | } |
| 2058 | else |
| 2059 | if (precedence >= target) |
| 2060 | { |
| 2061 | /* |
| 2062 | Left-to-right associativity. |
| 2063 | */ |
| 2064 | target=precedence; |
| 2065 | subexpression=expression; |
| 2066 | } |
| 2067 | if (strchr("(",(int) *expression) != (char *) NULL) |
| 2068 | expression=FxSubexpression(expression,exception); |
| 2069 | c=(int) (*expression++); |
| 2070 | } |
| 2071 | return(subexpression); |
| 2072 | } |
| 2073 | |
| 2074 | static MagickRealType FxEvaluateSubexpression(FxInfo *fx_info, |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 2075 | const PixelChannel channel,const ssize_t x,const ssize_t y, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 2076 | const char *expression,MagickRealType *beta,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2077 | { |
| 2078 | char |
| 2079 | *q, |
| 2080 | subexpression[MaxTextExtent]; |
| 2081 | |
| 2082 | MagickRealType |
| 2083 | alpha, |
| 2084 | gamma; |
| 2085 | |
| 2086 | register const char |
| 2087 | *p; |
| 2088 | |
| 2089 | *beta=0.0; |
| 2090 | if (exception->severity != UndefinedException) |
| 2091 | return(0.0); |
| 2092 | while (isspace((int) *expression) != 0) |
| 2093 | expression++; |
| 2094 | if (*expression == '\0') |
| 2095 | { |
| 2096 | (void) ThrowMagickException(exception,GetMagickModule(),OptionError, |
| 2097 | "MissingExpression","`%s'",expression); |
| 2098 | return(0.0); |
| 2099 | } |
cristy | 66322f0 | 2010-05-17 11:40:48 +0000 | [diff] [blame] | 2100 | *subexpression='\0'; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2101 | p=FxOperatorPrecedence(expression,exception); |
| 2102 | if (p != (const char *) NULL) |
| 2103 | { |
| 2104 | (void) CopyMagickString(subexpression,expression,(size_t) |
| 2105 | (p-expression+1)); |
| 2106 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression,beta, |
| 2107 | exception); |
| 2108 | switch ((unsigned char) *p) |
| 2109 | { |
| 2110 | case '~': |
| 2111 | { |
| 2112 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2113 | *beta=(MagickRealType) (~(size_t) *beta); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2114 | return(*beta); |
| 2115 | } |
| 2116 | case '!': |
| 2117 | { |
| 2118 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2119 | return(*beta == 0.0 ? 1.0 : 0.0); |
| 2120 | } |
| 2121 | case '^': |
| 2122 | { |
| 2123 | *beta=pow((double) alpha,(double) FxEvaluateSubexpression(fx_info, |
| 2124 | channel,x,y,++p,beta,exception)); |
| 2125 | return(*beta); |
| 2126 | } |
| 2127 | case '*': |
cristy | 116af16 | 2010-08-13 01:25:47 +0000 | [diff] [blame] | 2128 | case ExponentialNotation: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2129 | { |
| 2130 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2131 | return(alpha*(*beta)); |
| 2132 | } |
| 2133 | case '/': |
| 2134 | { |
| 2135 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2136 | if (*beta == 0.0) |
| 2137 | { |
| 2138 | if (exception->severity == UndefinedException) |
| 2139 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2140 | OptionError,"DivideByZero","`%s'",expression); |
| 2141 | return(0.0); |
| 2142 | } |
| 2143 | return(alpha/(*beta)); |
| 2144 | } |
| 2145 | case '%': |
| 2146 | { |
| 2147 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2148 | *beta=fabs(floor(((double) *beta)+0.5)); |
| 2149 | if (*beta == 0.0) |
| 2150 | { |
| 2151 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2152 | OptionError,"DivideByZero","`%s'",expression); |
| 2153 | return(0.0); |
| 2154 | } |
| 2155 | return(fmod((double) alpha,(double) *beta)); |
| 2156 | } |
| 2157 | case '+': |
| 2158 | { |
| 2159 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2160 | return(alpha+(*beta)); |
| 2161 | } |
| 2162 | case '-': |
| 2163 | { |
| 2164 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2165 | return(alpha-(*beta)); |
| 2166 | } |
| 2167 | case LeftShiftOperator: |
| 2168 | { |
| 2169 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2170 | *beta=(MagickRealType) ((size_t) (alpha+0.5) << (size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2171 | (gamma+0.5)); |
| 2172 | return(*beta); |
| 2173 | } |
| 2174 | case RightShiftOperator: |
| 2175 | { |
| 2176 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2177 | *beta=(MagickRealType) ((size_t) (alpha+0.5) >> (size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2178 | (gamma+0.5)); |
| 2179 | return(*beta); |
| 2180 | } |
| 2181 | case '<': |
| 2182 | { |
| 2183 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2184 | return(alpha < *beta ? 1.0 : 0.0); |
| 2185 | } |
| 2186 | case LessThanEqualOperator: |
| 2187 | { |
| 2188 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2189 | return(alpha <= *beta ? 1.0 : 0.0); |
| 2190 | } |
| 2191 | case '>': |
| 2192 | { |
| 2193 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2194 | return(alpha > *beta ? 1.0 : 0.0); |
| 2195 | } |
| 2196 | case GreaterThanEqualOperator: |
| 2197 | { |
| 2198 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2199 | return(alpha >= *beta ? 1.0 : 0.0); |
| 2200 | } |
| 2201 | case EqualOperator: |
| 2202 | { |
| 2203 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2204 | return(fabs(alpha-(*beta)) <= MagickEpsilon ? 1.0 : 0.0); |
| 2205 | } |
| 2206 | case NotEqualOperator: |
| 2207 | { |
| 2208 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2209 | return(fabs(alpha-(*beta)) > MagickEpsilon ? 1.0 : 0.0); |
| 2210 | } |
| 2211 | case '&': |
| 2212 | { |
| 2213 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2214 | *beta=(MagickRealType) ((size_t) (alpha+0.5) & (size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2215 | (gamma+0.5)); |
| 2216 | return(*beta); |
| 2217 | } |
| 2218 | case '|': |
| 2219 | { |
| 2220 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2221 | *beta=(MagickRealType) ((size_t) (alpha+0.5) | (size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2222 | (gamma+0.5)); |
| 2223 | return(*beta); |
| 2224 | } |
| 2225 | case LogicalAndOperator: |
| 2226 | { |
| 2227 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2228 | *beta=(alpha > 0.0) && (gamma > 0.0) ? 1.0 : 0.0; |
| 2229 | return(*beta); |
| 2230 | } |
| 2231 | case LogicalOrOperator: |
| 2232 | { |
| 2233 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2234 | *beta=(alpha > 0.0) || (gamma > 0.0) ? 1.0 : 0.0; |
| 2235 | return(*beta); |
| 2236 | } |
| 2237 | case '?': |
| 2238 | { |
| 2239 | MagickRealType |
| 2240 | gamma; |
| 2241 | |
| 2242 | (void) CopyMagickString(subexpression,++p,MaxTextExtent); |
| 2243 | q=subexpression; |
| 2244 | p=StringToken(":",&q); |
| 2245 | if (q == (char *) NULL) |
| 2246 | { |
| 2247 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2248 | OptionError,"UnableToParseExpression","`%s'",subexpression); |
| 2249 | return(0.0); |
| 2250 | } |
| 2251 | if (fabs((double) alpha) > MagickEpsilon) |
| 2252 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,p,beta,exception); |
| 2253 | else |
| 2254 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,q,beta,exception); |
| 2255 | return(gamma); |
| 2256 | } |
| 2257 | case '=': |
| 2258 | { |
| 2259 | char |
| 2260 | numeric[MaxTextExtent]; |
| 2261 | |
| 2262 | q=subexpression; |
| 2263 | while (isalpha((int) ((unsigned char) *q)) != 0) |
| 2264 | q++; |
| 2265 | if (*q != '\0') |
| 2266 | { |
| 2267 | (void) ThrowMagickException(exception,GetMagickModule(), |
| 2268 | OptionError,"UnableToParseExpression","`%s'",subexpression); |
| 2269 | return(0.0); |
| 2270 | } |
| 2271 | ClearMagickException(exception); |
| 2272 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 2273 | (void) FormatLocaleString(numeric,MaxTextExtent,"%g",(double) |
cristy | 8cd5b31 | 2010-01-07 01:10:24 +0000 | [diff] [blame] | 2274 | *beta); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2275 | (void) DeleteNodeFromSplayTree(fx_info->symbols,subexpression); |
| 2276 | (void) AddValueToSplayTree(fx_info->symbols,ConstantString( |
| 2277 | subexpression),ConstantString(numeric)); |
| 2278 | return(*beta); |
| 2279 | } |
| 2280 | case ',': |
| 2281 | { |
| 2282 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2283 | return(alpha); |
| 2284 | } |
| 2285 | case ';': |
| 2286 | { |
| 2287 | *beta=FxEvaluateSubexpression(fx_info,channel,x,y,++p,beta,exception); |
| 2288 | return(*beta); |
| 2289 | } |
| 2290 | default: |
| 2291 | { |
| 2292 | gamma=alpha*FxEvaluateSubexpression(fx_info,channel,x,y,p,beta, |
| 2293 | exception); |
| 2294 | return(gamma); |
| 2295 | } |
| 2296 | } |
| 2297 | } |
| 2298 | if (strchr("(",(int) *expression) != (char *) NULL) |
| 2299 | { |
| 2300 | (void) CopyMagickString(subexpression,expression+1,MaxTextExtent); |
| 2301 | subexpression[strlen(subexpression)-1]='\0'; |
| 2302 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,subexpression,beta, |
| 2303 | exception); |
| 2304 | return(gamma); |
| 2305 | } |
cristy | 8b8a3ae | 2010-10-23 18:49:46 +0000 | [diff] [blame] | 2306 | switch (*expression) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2307 | { |
| 2308 | case '+': |
| 2309 | { |
| 2310 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2311 | exception); |
| 2312 | return(1.0*gamma); |
| 2313 | } |
| 2314 | case '-': |
| 2315 | { |
| 2316 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2317 | exception); |
| 2318 | return(-1.0*gamma); |
| 2319 | } |
| 2320 | case '~': |
| 2321 | { |
| 2322 | gamma=FxEvaluateSubexpression(fx_info,channel,x,y,expression+1,beta, |
| 2323 | exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2324 | return((MagickRealType) (~(size_t) (gamma+0.5))); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2325 | } |
| 2326 | case 'A': |
| 2327 | case 'a': |
| 2328 | { |
| 2329 | if (LocaleNCompare(expression,"abs",3) == 0) |
| 2330 | { |
| 2331 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2332 | exception); |
| 2333 | return((MagickRealType) fabs((double) alpha)); |
| 2334 | } |
| 2335 | if (LocaleNCompare(expression,"acos",4) == 0) |
| 2336 | { |
| 2337 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2338 | exception); |
| 2339 | return((MagickRealType) acos((double) alpha)); |
| 2340 | } |
cristy | 43c22f4 | 2010-03-30 12:34:07 +0000 | [diff] [blame] | 2341 | #if defined(MAGICKCORE_HAVE_J1) |
cristy | ee56cf1 | 2010-03-01 22:17:06 +0000 | [diff] [blame] | 2342 | if (LocaleNCompare(expression,"airy",4) == 0) |
| 2343 | { |
| 2344 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2345 | exception); |
| 2346 | if (alpha == 0.0) |
cristy | 2dd0322 | 2010-03-30 22:12:11 +0000 | [diff] [blame] | 2347 | return(1.0); |
| 2348 | gamma=2.0*j1((double) (MagickPI*alpha))/(MagickPI*alpha); |
cristy | 43c22f4 | 2010-03-30 12:34:07 +0000 | [diff] [blame] | 2349 | return(gamma*gamma); |
cristy | ee56cf1 | 2010-03-01 22:17:06 +0000 | [diff] [blame] | 2350 | } |
cristy | 43c22f4 | 2010-03-30 12:34:07 +0000 | [diff] [blame] | 2351 | #endif |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2352 | if (LocaleNCompare(expression,"asin",4) == 0) |
| 2353 | { |
| 2354 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2355 | exception); |
| 2356 | return((MagickRealType) asin((double) alpha)); |
| 2357 | } |
| 2358 | if (LocaleNCompare(expression,"alt",3) == 0) |
| 2359 | { |
| 2360 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2361 | exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2362 | return(((ssize_t) alpha) & 0x01 ? -1.0 : 1.0); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2363 | } |
| 2364 | if (LocaleNCompare(expression,"atan2",5) == 0) |
| 2365 | { |
| 2366 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2367 | exception); |
| 2368 | return((MagickRealType) atan2((double) alpha,(double) *beta)); |
| 2369 | } |
| 2370 | if (LocaleNCompare(expression,"atan",4) == 0) |
| 2371 | { |
| 2372 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2373 | exception); |
| 2374 | return((MagickRealType) atan((double) alpha)); |
| 2375 | } |
| 2376 | if (LocaleCompare(expression,"a") == 0) |
| 2377 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2378 | break; |
| 2379 | } |
| 2380 | case 'B': |
| 2381 | case 'b': |
| 2382 | { |
| 2383 | if (LocaleCompare(expression,"b") == 0) |
| 2384 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2385 | break; |
| 2386 | } |
| 2387 | case 'C': |
| 2388 | case 'c': |
| 2389 | { |
| 2390 | if (LocaleNCompare(expression,"ceil",4) == 0) |
| 2391 | { |
| 2392 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2393 | exception); |
| 2394 | return((MagickRealType) ceil((double) alpha)); |
| 2395 | } |
| 2396 | if (LocaleNCompare(expression,"cosh",4) == 0) |
| 2397 | { |
| 2398 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2399 | exception); |
| 2400 | return((MagickRealType) cosh((double) alpha)); |
| 2401 | } |
| 2402 | if (LocaleNCompare(expression,"cos",3) == 0) |
| 2403 | { |
| 2404 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2405 | exception); |
| 2406 | return((MagickRealType) cos((double) alpha)); |
| 2407 | } |
| 2408 | if (LocaleCompare(expression,"c") == 0) |
| 2409 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2410 | break; |
| 2411 | } |
| 2412 | case 'D': |
| 2413 | case 'd': |
| 2414 | { |
| 2415 | if (LocaleNCompare(expression,"debug",5) == 0) |
| 2416 | { |
| 2417 | const char |
| 2418 | *type; |
| 2419 | |
| 2420 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2421 | exception); |
| 2422 | if (fx_info->images->colorspace == CMYKColorspace) |
| 2423 | switch (channel) |
| 2424 | { |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 2425 | case CyanPixelChannel: type="cyan"; break; |
| 2426 | case MagentaPixelChannel: type="magenta"; break; |
| 2427 | case YellowPixelChannel: type="yellow"; break; |
| 2428 | case AlphaPixelChannel: type="opacity"; break; |
| 2429 | case BlackPixelChannel: type="black"; break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2430 | default: type="unknown"; break; |
| 2431 | } |
| 2432 | else |
| 2433 | switch (channel) |
| 2434 | { |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 2435 | case RedPixelChannel: type="red"; break; |
| 2436 | case GreenPixelChannel: type="green"; break; |
| 2437 | case BluePixelChannel: type="blue"; break; |
| 2438 | case AlphaPixelChannel: type="opacity"; break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2439 | default: type="unknown"; break; |
| 2440 | } |
| 2441 | (void) CopyMagickString(subexpression,expression+6,MaxTextExtent); |
| 2442 | if (strlen(subexpression) > 1) |
| 2443 | subexpression[strlen(subexpression)-1]='\0'; |
| 2444 | if (fx_info->file != (FILE *) NULL) |
cristy | 1e60481 | 2011-05-19 18:07:50 +0000 | [diff] [blame] | 2445 | (void) FormatLocaleFile(fx_info->file, |
| 2446 | "%s[%.20g,%.20g].%s: %s=%.*g\n",fx_info->images->filename, |
| 2447 | (double) x,(double) y,type,subexpression,GetMagickPrecision(), |
| 2448 | (double) alpha); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2449 | return(0.0); |
| 2450 | } |
| 2451 | break; |
| 2452 | } |
| 2453 | case 'E': |
| 2454 | case 'e': |
| 2455 | { |
| 2456 | if (LocaleCompare(expression,"epsilon") == 0) |
| 2457 | return((MagickRealType) MagickEpsilon); |
| 2458 | if (LocaleNCompare(expression,"exp",3) == 0) |
| 2459 | { |
| 2460 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2461 | exception); |
| 2462 | return((MagickRealType) exp((double) alpha)); |
| 2463 | } |
| 2464 | if (LocaleCompare(expression,"e") == 0) |
| 2465 | return((MagickRealType) 2.7182818284590452354); |
| 2466 | break; |
| 2467 | } |
| 2468 | case 'F': |
| 2469 | case 'f': |
| 2470 | { |
| 2471 | if (LocaleNCompare(expression,"floor",5) == 0) |
| 2472 | { |
| 2473 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2474 | exception); |
| 2475 | return((MagickRealType) floor((double) alpha)); |
| 2476 | } |
| 2477 | break; |
| 2478 | } |
| 2479 | case 'G': |
| 2480 | case 'g': |
| 2481 | { |
| 2482 | if (LocaleCompare(expression,"g") == 0) |
| 2483 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2484 | break; |
| 2485 | } |
| 2486 | case 'H': |
| 2487 | case 'h': |
| 2488 | { |
| 2489 | if (LocaleCompare(expression,"h") == 0) |
| 2490 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2491 | if (LocaleCompare(expression,"hue") == 0) |
| 2492 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2493 | if (LocaleNCompare(expression,"hypot",5) == 0) |
| 2494 | { |
| 2495 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2496 | exception); |
| 2497 | return((MagickRealType) hypot((double) alpha,(double) *beta)); |
| 2498 | } |
| 2499 | break; |
| 2500 | } |
| 2501 | case 'K': |
| 2502 | case 'k': |
| 2503 | { |
| 2504 | if (LocaleCompare(expression,"k") == 0) |
| 2505 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2506 | break; |
| 2507 | } |
| 2508 | case 'I': |
| 2509 | case 'i': |
| 2510 | { |
| 2511 | if (LocaleCompare(expression,"intensity") == 0) |
| 2512 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2513 | if (LocaleNCompare(expression,"int",3) == 0) |
| 2514 | { |
| 2515 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2516 | exception); |
cristy | 16788e4 | 2010-08-13 13:44:26 +0000 | [diff] [blame] | 2517 | return((MagickRealType) floor(alpha)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2518 | } |
| 2519 | if (LocaleCompare(expression,"i") == 0) |
| 2520 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2521 | break; |
| 2522 | } |
| 2523 | case 'J': |
| 2524 | case 'j': |
| 2525 | { |
| 2526 | if (LocaleCompare(expression,"j") == 0) |
| 2527 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
cristy | 161b926 | 2010-03-20 19:34:32 +0000 | [diff] [blame] | 2528 | #if defined(MAGICKCORE_HAVE_J0) |
cristy | ee56cf1 | 2010-03-01 22:17:06 +0000 | [diff] [blame] | 2529 | if (LocaleNCompare(expression,"j0",2) == 0) |
| 2530 | { |
| 2531 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+2,beta, |
| 2532 | exception); |
| 2533 | return((MagickRealType) j0((double) alpha)); |
| 2534 | } |
cristy | 161b926 | 2010-03-20 19:34:32 +0000 | [diff] [blame] | 2535 | #endif |
| 2536 | #if defined(MAGICKCORE_HAVE_J1) |
cristy | ee56cf1 | 2010-03-01 22:17:06 +0000 | [diff] [blame] | 2537 | if (LocaleNCompare(expression,"j1",2) == 0) |
| 2538 | { |
| 2539 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+2,beta, |
| 2540 | exception); |
| 2541 | return((MagickRealType) j1((double) alpha)); |
| 2542 | } |
cristy | 161b926 | 2010-03-20 19:34:32 +0000 | [diff] [blame] | 2543 | #endif |
cristy | aa018fa | 2010-04-08 23:03:54 +0000 | [diff] [blame] | 2544 | #if defined(MAGICKCORE_HAVE_J1) |
cristy | a6a09e7 | 2010-03-02 14:51:02 +0000 | [diff] [blame] | 2545 | if (LocaleNCompare(expression,"jinc",4) == 0) |
| 2546 | { |
| 2547 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2548 | exception); |
cristy | 0946a82 | 2010-03-12 17:14:58 +0000 | [diff] [blame] | 2549 | if (alpha == 0.0) |
| 2550 | return(1.0); |
cristy | 69928f9 | 2010-03-12 13:27:09 +0000 | [diff] [blame] | 2551 | gamma=(MagickRealType) (2.0*j1((double) (MagickPI*alpha))/ |
cristy | fce2f7b | 2010-03-12 00:29:49 +0000 | [diff] [blame] | 2552 | (MagickPI*alpha)); |
| 2553 | return(gamma); |
cristy | a6a09e7 | 2010-03-02 14:51:02 +0000 | [diff] [blame] | 2554 | } |
cristy | aa018fa | 2010-04-08 23:03:54 +0000 | [diff] [blame] | 2555 | #endif |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2556 | break; |
| 2557 | } |
| 2558 | case 'L': |
| 2559 | case 'l': |
| 2560 | { |
| 2561 | if (LocaleNCompare(expression,"ln",2) == 0) |
| 2562 | { |
| 2563 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+2,beta, |
| 2564 | exception); |
| 2565 | return((MagickRealType) log((double) alpha)); |
| 2566 | } |
cristy | c8ed532 | 2010-08-31 12:07:59 +0000 | [diff] [blame] | 2567 | if (LocaleNCompare(expression,"logtwo",6) == 0) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2568 | { |
cristy | c8ed532 | 2010-08-31 12:07:59 +0000 | [diff] [blame] | 2569 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+6,beta, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2570 | exception); |
| 2571 | return((MagickRealType) log10((double) alpha))/log10(2.0); |
| 2572 | } |
| 2573 | if (LocaleNCompare(expression,"log",3) == 0) |
| 2574 | { |
| 2575 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2576 | exception); |
| 2577 | return((MagickRealType) log10((double) alpha)); |
| 2578 | } |
| 2579 | if (LocaleCompare(expression,"lightness") == 0) |
| 2580 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2581 | break; |
| 2582 | } |
| 2583 | case 'M': |
| 2584 | case 'm': |
| 2585 | { |
| 2586 | if (LocaleCompare(expression,"MaxRGB") == 0) |
| 2587 | return((MagickRealType) QuantumRange); |
| 2588 | if (LocaleNCompare(expression,"maxima",6) == 0) |
| 2589 | break; |
| 2590 | if (LocaleNCompare(expression,"max",3) == 0) |
| 2591 | return(FxMax(fx_info,channel,x,y,expression+3,exception)); |
| 2592 | if (LocaleNCompare(expression,"minima",6) == 0) |
| 2593 | break; |
| 2594 | if (LocaleNCompare(expression,"min",3) == 0) |
| 2595 | return(FxMin(fx_info,channel,x,y,expression+3,exception)); |
| 2596 | if (LocaleNCompare(expression,"mod",3) == 0) |
| 2597 | { |
| 2598 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2599 | exception); |
| 2600 | return((MagickRealType) fmod((double) alpha,(double) *beta)); |
| 2601 | } |
| 2602 | if (LocaleCompare(expression,"m") == 0) |
| 2603 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2604 | break; |
| 2605 | } |
| 2606 | case 'N': |
| 2607 | case 'n': |
| 2608 | { |
| 2609 | if (LocaleCompare(expression,"n") == 0) |
| 2610 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2611 | break; |
| 2612 | } |
| 2613 | case 'O': |
| 2614 | case 'o': |
| 2615 | { |
| 2616 | if (LocaleCompare(expression,"Opaque") == 0) |
| 2617 | return(1.0); |
| 2618 | if (LocaleCompare(expression,"o") == 0) |
| 2619 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2620 | break; |
| 2621 | } |
| 2622 | case 'P': |
| 2623 | case 'p': |
| 2624 | { |
| 2625 | if (LocaleCompare(expression,"pi") == 0) |
| 2626 | return((MagickRealType) MagickPI); |
| 2627 | if (LocaleNCompare(expression,"pow",3) == 0) |
| 2628 | { |
| 2629 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2630 | exception); |
| 2631 | return((MagickRealType) pow((double) alpha,(double) *beta)); |
| 2632 | } |
| 2633 | if (LocaleCompare(expression,"p") == 0) |
| 2634 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2635 | break; |
| 2636 | } |
| 2637 | case 'Q': |
| 2638 | case 'q': |
| 2639 | { |
| 2640 | if (LocaleCompare(expression,"QuantumRange") == 0) |
| 2641 | return((MagickRealType) QuantumRange); |
| 2642 | if (LocaleCompare(expression,"QuantumScale") == 0) |
| 2643 | return((MagickRealType) QuantumScale); |
| 2644 | break; |
| 2645 | } |
| 2646 | case 'R': |
| 2647 | case 'r': |
| 2648 | { |
| 2649 | if (LocaleNCompare(expression,"rand",4) == 0) |
| 2650 | return((MagickRealType) GetPseudoRandomValue(fx_info->random_info)); |
| 2651 | if (LocaleNCompare(expression,"round",5) == 0) |
| 2652 | { |
| 2653 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2654 | exception); |
cristy | 16788e4 | 2010-08-13 13:44:26 +0000 | [diff] [blame] | 2655 | return((MagickRealType) floor((double) alpha+0.5)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2656 | } |
| 2657 | if (LocaleCompare(expression,"r") == 0) |
| 2658 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2659 | break; |
| 2660 | } |
| 2661 | case 'S': |
| 2662 | case 's': |
| 2663 | { |
| 2664 | if (LocaleCompare(expression,"saturation") == 0) |
| 2665 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2666 | if (LocaleNCompare(expression,"sign",4) == 0) |
| 2667 | { |
| 2668 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2669 | exception); |
| 2670 | return(alpha < 0.0 ? -1.0 : 1.0); |
| 2671 | } |
cristy | a6a09e7 | 2010-03-02 14:51:02 +0000 | [diff] [blame] | 2672 | if (LocaleNCompare(expression,"sinc",4) == 0) |
| 2673 | { |
| 2674 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2675 | exception); |
| 2676 | if (alpha == 0) |
| 2677 | return(1.0); |
| 2678 | gamma=(MagickRealType) (sin((double) (MagickPI*alpha))/ |
| 2679 | (MagickPI*alpha)); |
| 2680 | return(gamma); |
| 2681 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2682 | if (LocaleNCompare(expression,"sinh",4) == 0) |
| 2683 | { |
| 2684 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2685 | exception); |
| 2686 | return((MagickRealType) sinh((double) alpha)); |
| 2687 | } |
| 2688 | if (LocaleNCompare(expression,"sin",3) == 0) |
| 2689 | { |
| 2690 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2691 | exception); |
| 2692 | return((MagickRealType) sin((double) alpha)); |
| 2693 | } |
| 2694 | if (LocaleNCompare(expression,"sqrt",4) == 0) |
| 2695 | { |
| 2696 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2697 | exception); |
| 2698 | return((MagickRealType) sqrt((double) alpha)); |
| 2699 | } |
| 2700 | if (LocaleCompare(expression,"s") == 0) |
| 2701 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2702 | break; |
| 2703 | } |
| 2704 | case 'T': |
| 2705 | case 't': |
| 2706 | { |
| 2707 | if (LocaleNCompare(expression,"tanh",4) == 0) |
| 2708 | { |
| 2709 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta, |
| 2710 | exception); |
| 2711 | return((MagickRealType) tanh((double) alpha)); |
| 2712 | } |
| 2713 | if (LocaleNCompare(expression,"tan",3) == 0) |
| 2714 | { |
| 2715 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+3,beta, |
| 2716 | exception); |
| 2717 | return((MagickRealType) tan((double) alpha)); |
| 2718 | } |
| 2719 | if (LocaleCompare(expression,"Transparent") == 0) |
| 2720 | return(0.0); |
cristy | 16788e4 | 2010-08-13 13:44:26 +0000 | [diff] [blame] | 2721 | if (LocaleNCompare(expression,"trunc",5) == 0) |
| 2722 | { |
| 2723 | alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+5,beta, |
| 2724 | exception); |
| 2725 | if (alpha >= 0.0) |
| 2726 | return((MagickRealType) floor((double) alpha)); |
| 2727 | return((MagickRealType) ceil((double) alpha)); |
| 2728 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2729 | if (LocaleCompare(expression,"t") == 0) |
| 2730 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2731 | break; |
| 2732 | } |
| 2733 | case 'U': |
| 2734 | case 'u': |
| 2735 | { |
| 2736 | if (LocaleCompare(expression,"u") == 0) |
| 2737 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2738 | break; |
| 2739 | } |
| 2740 | case 'V': |
| 2741 | case 'v': |
| 2742 | { |
| 2743 | if (LocaleCompare(expression,"v") == 0) |
| 2744 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2745 | break; |
| 2746 | } |
| 2747 | case 'W': |
| 2748 | case 'w': |
| 2749 | { |
| 2750 | if (LocaleCompare(expression,"w") == 0) |
| 2751 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2752 | break; |
| 2753 | } |
| 2754 | case 'Y': |
| 2755 | case 'y': |
| 2756 | { |
| 2757 | if (LocaleCompare(expression,"y") == 0) |
| 2758 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2759 | break; |
| 2760 | } |
| 2761 | case 'Z': |
| 2762 | case 'z': |
| 2763 | { |
| 2764 | if (LocaleCompare(expression,"z") == 0) |
| 2765 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2766 | break; |
| 2767 | } |
| 2768 | default: |
| 2769 | break; |
| 2770 | } |
| 2771 | q=(char *) expression; |
cristy | c1acd84 | 2011-05-19 23:05:47 +0000 | [diff] [blame] | 2772 | alpha=InterpretLocaleValue(expression,&q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2773 | if (q == expression) |
| 2774 | return(FxGetSymbol(fx_info,channel,x,y,expression,exception)); |
| 2775 | return(alpha); |
| 2776 | } |
| 2777 | |
| 2778 | MagickExport MagickBooleanType FxEvaluateExpression(FxInfo *fx_info, |
| 2779 | MagickRealType *alpha,ExceptionInfo *exception) |
| 2780 | { |
| 2781 | MagickBooleanType |
| 2782 | status; |
| 2783 | |
cristy | 3053986 | 2010-11-10 14:14:14 +0000 | [diff] [blame] | 2784 | status=FxEvaluateChannelExpression(fx_info,GrayChannel,0,0,alpha,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2785 | return(status); |
| 2786 | } |
| 2787 | |
| 2788 | MagickExport MagickBooleanType FxPreprocessExpression(FxInfo *fx_info, |
| 2789 | MagickRealType *alpha,ExceptionInfo *exception) |
| 2790 | { |
| 2791 | FILE |
| 2792 | *file; |
| 2793 | |
| 2794 | MagickBooleanType |
| 2795 | status; |
| 2796 | |
| 2797 | file=fx_info->file; |
| 2798 | fx_info->file=(FILE *) NULL; |
| 2799 | status=FxEvaluateChannelExpression(fx_info,GrayChannel,0,0,alpha,exception); |
| 2800 | fx_info->file=file; |
| 2801 | return(status); |
| 2802 | } |
| 2803 | |
| 2804 | MagickExport MagickBooleanType FxEvaluateChannelExpression(FxInfo *fx_info, |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 2805 | const PixelChannel channel,const ssize_t x,const ssize_t y, |
cristy | e85007d | 2010-06-06 22:51:36 +0000 | [diff] [blame] | 2806 | MagickRealType *alpha,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2807 | { |
| 2808 | MagickRealType |
| 2809 | beta; |
| 2810 | |
| 2811 | beta=0.0; |
| 2812 | *alpha=FxEvaluateSubexpression(fx_info,channel,x,y,fx_info->expression,&beta, |
| 2813 | exception); |
| 2814 | return(exception->severity == OptionError ? MagickFalse : MagickTrue); |
| 2815 | } |
| 2816 | |
| 2817 | /* |
| 2818 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2819 | % % |
| 2820 | % % |
| 2821 | % % |
| 2822 | % F x I m a g e % |
| 2823 | % % |
| 2824 | % % |
| 2825 | % % |
| 2826 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2827 | % |
| 2828 | % FxImage() applies a mathematical expression to the specified image. |
| 2829 | % |
| 2830 | % The format of the FxImage method is: |
| 2831 | % |
| 2832 | % Image *FxImage(const Image *image,const char *expression, |
| 2833 | % ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2834 | % |
| 2835 | % A description of each parameter follows: |
| 2836 | % |
| 2837 | % o image: the image. |
| 2838 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2839 | % o expression: A mathematical expression. |
| 2840 | % |
| 2841 | % o exception: return any errors or warnings in this structure. |
| 2842 | % |
| 2843 | */ |
| 2844 | |
| 2845 | static FxInfo **DestroyFxThreadSet(FxInfo **fx_info) |
| 2846 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2847 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2848 | i; |
| 2849 | |
| 2850 | assert(fx_info != (FxInfo **) NULL); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2851 | for (i=0; i < (ssize_t) GetOpenMPMaximumThreads(); i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2852 | if (fx_info[i] != (FxInfo *) NULL) |
| 2853 | fx_info[i]=DestroyFxInfo(fx_info[i]); |
cristy | b41ee10 | 2010-10-04 16:46:15 +0000 | [diff] [blame] | 2854 | fx_info=(FxInfo **) RelinquishMagickMemory(fx_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2855 | return(fx_info); |
| 2856 | } |
| 2857 | |
| 2858 | static FxInfo **AcquireFxThreadSet(const Image *image,const char *expression, |
| 2859 | ExceptionInfo *exception) |
| 2860 | { |
| 2861 | char |
| 2862 | *fx_expression; |
| 2863 | |
| 2864 | FxInfo |
| 2865 | **fx_info; |
| 2866 | |
| 2867 | MagickRealType |
| 2868 | alpha; |
| 2869 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2870 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2871 | i; |
| 2872 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2873 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2874 | number_threads; |
| 2875 | |
| 2876 | number_threads=GetOpenMPMaximumThreads(); |
cristy | b41ee10 | 2010-10-04 16:46:15 +0000 | [diff] [blame] | 2877 | fx_info=(FxInfo **) AcquireQuantumMemory(number_threads,sizeof(*fx_info)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2878 | if (fx_info == (FxInfo **) NULL) |
| 2879 | return((FxInfo **) NULL); |
| 2880 | (void) ResetMagickMemory(fx_info,0,number_threads*sizeof(*fx_info)); |
| 2881 | if (*expression != '@') |
| 2882 | fx_expression=ConstantString(expression); |
| 2883 | else |
| 2884 | fx_expression=FileToString(expression+1,~0,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2885 | for (i=0; i < (ssize_t) number_threads; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2886 | { |
| 2887 | fx_info[i]=AcquireFxInfo(image,fx_expression); |
| 2888 | if (fx_info[i] == (FxInfo *) NULL) |
| 2889 | return(DestroyFxThreadSet(fx_info)); |
| 2890 | (void) FxPreprocessExpression(fx_info[i],&alpha,fx_info[i]->exception); |
| 2891 | } |
| 2892 | fx_expression=DestroyString(fx_expression); |
| 2893 | return(fx_info); |
| 2894 | } |
| 2895 | |
| 2896 | MagickExport Image *FxImage(const Image *image,const char *expression, |
| 2897 | ExceptionInfo *exception) |
| 2898 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2899 | #define FxImageTag "Fx/Image" |
| 2900 | |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 2901 | CacheView |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2902 | *fx_view, |
| 2903 | *image_view; |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 2904 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2905 | FxInfo |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 2906 | **restrict fx_info; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2907 | |
| 2908 | Image |
| 2909 | *fx_image; |
| 2910 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2911 | MagickBooleanType |
| 2912 | status; |
| 2913 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2914 | MagickOffsetType |
| 2915 | progress; |
| 2916 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2917 | MagickRealType |
| 2918 | alpha; |
| 2919 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2920 | ssize_t |
| 2921 | y; |
| 2922 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2923 | assert(image != (Image *) NULL); |
| 2924 | assert(image->signature == MagickSignature); |
| 2925 | if (image->debug != MagickFalse) |
| 2926 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2927 | fx_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2928 | if (fx_image == (Image *) NULL) |
| 2929 | return((Image *) NULL); |
| 2930 | if (SetImageStorageClass(fx_image,DirectClass) == MagickFalse) |
| 2931 | { |
| 2932 | InheritException(exception,&fx_image->exception); |
| 2933 | fx_image=DestroyImage(fx_image); |
| 2934 | return((Image *) NULL); |
| 2935 | } |
| 2936 | fx_info=AcquireFxThreadSet(image,expression,exception); |
| 2937 | if (fx_info == (FxInfo **) NULL) |
| 2938 | { |
| 2939 | fx_image=DestroyImage(fx_image); |
| 2940 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 2941 | } |
| 2942 | status=FxPreprocessExpression(fx_info[0],&alpha,exception); |
| 2943 | if (status == MagickFalse) |
| 2944 | { |
| 2945 | fx_image=DestroyImage(fx_image); |
| 2946 | fx_info=DestroyFxThreadSet(fx_info); |
| 2947 | return((Image *) NULL); |
| 2948 | } |
| 2949 | /* |
| 2950 | Fx image. |
| 2951 | */ |
| 2952 | status=MagickTrue; |
| 2953 | progress=0; |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2954 | image_view=AcquireCacheView(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2955 | fx_view=AcquireCacheView(fx_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2956 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2957 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2958 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2959 | for (y=0; y < (ssize_t) fx_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2960 | { |
cristy | 5c9e6f2 | 2010-09-17 17:31:01 +0000 | [diff] [blame] | 2961 | const int |
| 2962 | id = GetOpenMPThreadId(); |
cristy | 6ebe97c | 2010-07-03 01:17:28 +0000 | [diff] [blame] | 2963 | |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2964 | register const Quantum |
| 2965 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2966 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2967 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2968 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2969 | |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2970 | register ssize_t |
| 2971 | x; |
| 2972 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2973 | if (status == MagickFalse) |
| 2974 | continue; |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2975 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2976 | q=GetCacheViewAuthenticPixels(fx_view,0,y,fx_image->columns,1,exception); |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2977 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2978 | { |
| 2979 | status=MagickFalse; |
| 2980 | continue; |
| 2981 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2982 | for (x=0; x < (ssize_t) fx_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2983 | { |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 2984 | register ssize_t |
| 2985 | i; |
| 2986 | |
| 2987 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 2988 | { |
| 2989 | MagickRealType |
| 2990 | alpha; |
| 2991 | |
| 2992 | PixelChannel |
| 2993 | channel; |
| 2994 | |
| 2995 | PixelTrait |
| 2996 | fx_traits, |
| 2997 | traits; |
| 2998 | |
| 2999 | traits=GetPixelChannelMapTraits(image,(PixelChannel) i); |
| 3000 | if (traits == UndefinedPixelTrait) |
| 3001 | continue; |
| 3002 | channel=GetPixelChannelMapChannel(image,(PixelChannel) i); |
| 3003 | fx_traits=GetPixelChannelMapTraits(fx_image,channel); |
| 3004 | if (fx_traits == UndefinedPixelTrait) |
| 3005 | continue; |
| 3006 | if ((fx_traits & CopyPixelTrait) != 0) |
| 3007 | { |
| 3008 | q[channel]=p[i]; |
| 3009 | continue; |
| 3010 | } |
| 3011 | alpha=0.0; |
cristy | 0568ffc | 2011-07-25 16:54:14 +0000 | [diff] [blame] | 3012 | (void) FxEvaluateChannelExpression(fx_info[id],(PixelChannel) i,x,y, |
| 3013 | &alpha,exception); |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 3014 | q[i]=ClampToQuantum((MagickRealType) QuantumRange*alpha); |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 3015 | } |
| 3016 | p+=GetPixelChannels(image); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 3017 | q+=GetPixelChannels(fx_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3018 | } |
| 3019 | if (SyncCacheViewAuthenticPixels(fx_view,exception) == MagickFalse) |
| 3020 | status=MagickFalse; |
| 3021 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 3022 | { |
| 3023 | MagickBooleanType |
| 3024 | proceed; |
| 3025 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3026 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 490408a | 2011-07-07 14:42:05 +0000 | [diff] [blame] | 3027 | #pragma omp critical (MagickCore_FxImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3028 | #endif |
| 3029 | proceed=SetImageProgress(image,FxImageTag,progress++,image->rows); |
| 3030 | if (proceed == MagickFalse) |
| 3031 | status=MagickFalse; |
| 3032 | } |
| 3033 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3034 | fx_view=DestroyCacheView(fx_view); |
cristy | 79cedc7 | 2011-07-25 00:41:15 +0000 | [diff] [blame] | 3035 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3036 | fx_info=DestroyFxThreadSet(fx_info); |
| 3037 | if (status == MagickFalse) |
| 3038 | fx_image=DestroyImage(fx_image); |
| 3039 | return(fx_image); |
| 3040 | } |
| 3041 | |
| 3042 | /* |
| 3043 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3044 | % % |
| 3045 | % % |
| 3046 | % % |
| 3047 | % I m p l o d e I m a g e % |
| 3048 | % % |
| 3049 | % % |
| 3050 | % % |
| 3051 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3052 | % |
| 3053 | % ImplodeImage() creates a new image that is a copy of an existing |
| 3054 | % one with the image pixels "implode" by the specified percentage. It |
| 3055 | % allocates the memory necessary for the new Image structure and returns a |
| 3056 | % pointer to the new image. |
| 3057 | % |
| 3058 | % The format of the ImplodeImage method is: |
| 3059 | % |
| 3060 | % Image *ImplodeImage(const Image *image,const double amount, |
| 3061 | % ExceptionInfo *exception) |
| 3062 | % |
| 3063 | % A description of each parameter follows: |
| 3064 | % |
| 3065 | % o implode_image: Method ImplodeImage returns a pointer to the image |
| 3066 | % after it is implode. A null image is returned if there is a memory |
| 3067 | % shortage. |
| 3068 | % |
| 3069 | % o image: the image. |
| 3070 | % |
| 3071 | % o amount: Define the extent of the implosion. |
| 3072 | % |
| 3073 | % o exception: return any errors or warnings in this structure. |
| 3074 | % |
| 3075 | */ |
| 3076 | MagickExport Image *ImplodeImage(const Image *image,const double amount, |
| 3077 | ExceptionInfo *exception) |
| 3078 | { |
| 3079 | #define ImplodeImageTag "Implode/Image" |
| 3080 | |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 3081 | CacheView |
| 3082 | *image_view, |
| 3083 | *implode_view; |
| 3084 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3085 | Image |
| 3086 | *implode_image; |
| 3087 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3088 | MagickBooleanType |
| 3089 | status; |
| 3090 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3091 | MagickOffsetType |
| 3092 | progress; |
| 3093 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3094 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3095 | zero; |
| 3096 | |
| 3097 | MagickRealType |
| 3098 | radius; |
| 3099 | |
| 3100 | PointInfo |
| 3101 | center, |
| 3102 | scale; |
| 3103 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3104 | ssize_t |
| 3105 | y; |
| 3106 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3107 | /* |
| 3108 | Initialize implode image attributes. |
| 3109 | */ |
| 3110 | assert(image != (Image *) NULL); |
| 3111 | assert(image->signature == MagickSignature); |
| 3112 | if (image->debug != MagickFalse) |
| 3113 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3114 | assert(exception != (ExceptionInfo *) NULL); |
| 3115 | assert(exception->signature == MagickSignature); |
| 3116 | implode_image=CloneImage(image,0,0,MagickTrue,exception); |
| 3117 | if (implode_image == (Image *) NULL) |
| 3118 | return((Image *) NULL); |
| 3119 | if (SetImageStorageClass(implode_image,DirectClass) == MagickFalse) |
| 3120 | { |
| 3121 | InheritException(exception,&implode_image->exception); |
| 3122 | implode_image=DestroyImage(implode_image); |
| 3123 | return((Image *) NULL); |
| 3124 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3125 | if (implode_image->background_color.alpha != OpaqueAlpha) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3126 | implode_image->matte=MagickTrue; |
| 3127 | /* |
| 3128 | Compute scaling factor. |
| 3129 | */ |
| 3130 | scale.x=1.0; |
| 3131 | scale.y=1.0; |
| 3132 | center.x=0.5*image->columns; |
| 3133 | center.y=0.5*image->rows; |
| 3134 | radius=center.x; |
| 3135 | if (image->columns > image->rows) |
| 3136 | scale.y=(double) image->columns/(double) image->rows; |
| 3137 | else |
| 3138 | if (image->columns < image->rows) |
| 3139 | { |
| 3140 | scale.x=(double) image->rows/(double) image->columns; |
| 3141 | radius=center.y; |
| 3142 | } |
| 3143 | /* |
| 3144 | Implode image. |
| 3145 | */ |
| 3146 | status=MagickTrue; |
| 3147 | progress=0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3148 | GetPixelInfo(implode_image,&zero); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3149 | image_view=AcquireCacheView(image); |
| 3150 | implode_view=AcquireCacheView(implode_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3151 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3152 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3153 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3154 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3155 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3156 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3157 | pixel; |
| 3158 | |
| 3159 | MagickRealType |
| 3160 | distance; |
| 3161 | |
| 3162 | PointInfo |
| 3163 | delta; |
| 3164 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3165 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3166 | x; |
| 3167 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3168 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3169 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3170 | |
| 3171 | if (status == MagickFalse) |
| 3172 | continue; |
| 3173 | q=GetCacheViewAuthenticPixels(implode_view,0,y,implode_image->columns,1, |
| 3174 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3175 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3176 | { |
| 3177 | status=MagickFalse; |
| 3178 | continue; |
| 3179 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3180 | delta.y=scale.y*(double) (y-center.y); |
| 3181 | pixel=zero; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3182 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3183 | { |
| 3184 | /* |
| 3185 | Determine if the pixel is within an ellipse. |
| 3186 | */ |
| 3187 | delta.x=scale.x*(double) (x-center.x); |
| 3188 | distance=delta.x*delta.x+delta.y*delta.y; |
| 3189 | if (distance < (radius*radius)) |
| 3190 | { |
| 3191 | double |
| 3192 | factor; |
| 3193 | |
| 3194 | /* |
| 3195 | Implode the pixel. |
| 3196 | */ |
| 3197 | factor=1.0; |
| 3198 | if (distance > 0.0) |
| 3199 | factor=pow(sin((double) (MagickPI*sqrt((double) distance)/ |
| 3200 | radius/2)),-amount); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3201 | (void) InterpolatePixelInfo(image,image_view, |
cristy | 8a7c3e8 | 2011-03-26 02:10:53 +0000 | [diff] [blame] | 3202 | UndefinedInterpolatePixel,(double) (factor*delta.x/scale.x+ |
| 3203 | center.x),(double) (factor*delta.y/scale.y+center.y),&pixel, |
| 3204 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3205 | SetPixelPixelInfo(implode_image,&pixel,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3206 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 3207 | q+=GetPixelChannels(implode_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3208 | } |
| 3209 | if (SyncCacheViewAuthenticPixels(implode_view,exception) == MagickFalse) |
| 3210 | status=MagickFalse; |
| 3211 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 3212 | { |
| 3213 | MagickBooleanType |
| 3214 | proceed; |
| 3215 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3216 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3217 | #pragma omp critical (MagickCore_ImplodeImage) |
| 3218 | #endif |
| 3219 | proceed=SetImageProgress(image,ImplodeImageTag,progress++,image->rows); |
| 3220 | if (proceed == MagickFalse) |
| 3221 | status=MagickFalse; |
| 3222 | } |
| 3223 | } |
| 3224 | implode_view=DestroyCacheView(implode_view); |
| 3225 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3226 | if (status == MagickFalse) |
| 3227 | implode_image=DestroyImage(implode_image); |
| 3228 | return(implode_image); |
| 3229 | } |
| 3230 | |
| 3231 | /* |
| 3232 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3233 | % % |
| 3234 | % % |
| 3235 | % % |
| 3236 | % M o r p h I m a g e s % |
| 3237 | % % |
| 3238 | % % |
| 3239 | % % |
| 3240 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3241 | % |
| 3242 | % The MorphImages() method requires a minimum of two images. The first |
| 3243 | % image is transformed into the second by a number of intervening images |
| 3244 | % as specified by frames. |
| 3245 | % |
| 3246 | % The format of the MorphImage method is: |
| 3247 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3248 | % Image *MorphImages(const Image *image,const size_t number_frames, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3249 | % ExceptionInfo *exception) |
| 3250 | % |
| 3251 | % A description of each parameter follows: |
| 3252 | % |
| 3253 | % o image: the image. |
| 3254 | % |
| 3255 | % o number_frames: Define the number of in-between image to generate. |
| 3256 | % The more in-between frames, the smoother the morph. |
| 3257 | % |
| 3258 | % o exception: return any errors or warnings in this structure. |
| 3259 | % |
| 3260 | */ |
| 3261 | MagickExport Image *MorphImages(const Image *image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3262 | const size_t number_frames,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3263 | { |
| 3264 | #define MorphImageTag "Morph/Image" |
| 3265 | |
| 3266 | Image |
| 3267 | *morph_image, |
| 3268 | *morph_images; |
| 3269 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 3270 | MagickBooleanType |
| 3271 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3272 | |
| 3273 | MagickOffsetType |
| 3274 | scene; |
| 3275 | |
| 3276 | MagickRealType |
| 3277 | alpha, |
| 3278 | beta; |
| 3279 | |
| 3280 | register const Image |
| 3281 | *next; |
| 3282 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3283 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3284 | i; |
| 3285 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 3286 | ssize_t |
| 3287 | y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3288 | |
| 3289 | /* |
| 3290 | Clone first frame in sequence. |
| 3291 | */ |
| 3292 | assert(image != (Image *) NULL); |
| 3293 | assert(image->signature == MagickSignature); |
| 3294 | if (image->debug != MagickFalse) |
| 3295 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3296 | assert(exception != (ExceptionInfo *) NULL); |
| 3297 | assert(exception->signature == MagickSignature); |
| 3298 | morph_images=CloneImage(image,0,0,MagickTrue,exception); |
| 3299 | if (morph_images == (Image *) NULL) |
| 3300 | return((Image *) NULL); |
| 3301 | if (GetNextImageInList(image) == (Image *) NULL) |
| 3302 | { |
| 3303 | /* |
| 3304 | Morph single image. |
| 3305 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3306 | for (i=1; i < (ssize_t) number_frames; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3307 | { |
| 3308 | morph_image=CloneImage(image,0,0,MagickTrue,exception); |
| 3309 | if (morph_image == (Image *) NULL) |
| 3310 | { |
| 3311 | morph_images=DestroyImageList(morph_images); |
| 3312 | return((Image *) NULL); |
| 3313 | } |
| 3314 | AppendImageToList(&morph_images,morph_image); |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 3315 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3316 | { |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 3317 | MagickBooleanType |
| 3318 | proceed; |
| 3319 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3320 | proceed=SetImageProgress(image,MorphImageTag,(MagickOffsetType) i, |
| 3321 | number_frames); |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 3322 | if (proceed == MagickFalse) |
| 3323 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3324 | } |
| 3325 | } |
| 3326 | return(GetFirstImageInList(morph_images)); |
| 3327 | } |
| 3328 | /* |
| 3329 | Morph image sequence. |
| 3330 | */ |
| 3331 | status=MagickTrue; |
| 3332 | scene=0; |
| 3333 | next=image; |
| 3334 | for ( ; GetNextImageInList(next) != (Image *) NULL; next=GetNextImageInList(next)) |
| 3335 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3336 | for (i=0; i < (ssize_t) number_frames; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3337 | { |
| 3338 | CacheView |
| 3339 | *image_view, |
| 3340 | *morph_view; |
| 3341 | |
| 3342 | beta=(MagickRealType) (i+1.0)/(MagickRealType) (number_frames+1.0); |
| 3343 | alpha=1.0-beta; |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 3344 | morph_image=ResizeImage(next,(size_t) (alpha*next->columns+beta* |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3345 | GetNextImageInList(next)->columns+0.5),(size_t) (alpha* |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 3346 | next->rows+beta*GetNextImageInList(next)->rows+0.5), |
| 3347 | next->filter,next->blur,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3348 | if (morph_image == (Image *) NULL) |
| 3349 | { |
| 3350 | morph_images=DestroyImageList(morph_images); |
| 3351 | return((Image *) NULL); |
| 3352 | } |
| 3353 | if (SetImageStorageClass(morph_image,DirectClass) == MagickFalse) |
| 3354 | { |
| 3355 | InheritException(exception,&morph_image->exception); |
| 3356 | morph_image=DestroyImage(morph_image); |
| 3357 | return((Image *) NULL); |
| 3358 | } |
| 3359 | AppendImageToList(&morph_images,morph_image); |
| 3360 | morph_images=GetLastImageInList(morph_images); |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 3361 | morph_image=ResizeImage(GetNextImageInList(next),morph_images->columns, |
| 3362 | morph_images->rows,GetNextImageInList(next)->filter, |
| 3363 | GetNextImageInList(next)->blur,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3364 | if (morph_image == (Image *) NULL) |
| 3365 | { |
| 3366 | morph_images=DestroyImageList(morph_images); |
| 3367 | return((Image *) NULL); |
| 3368 | } |
| 3369 | image_view=AcquireCacheView(morph_image); |
| 3370 | morph_view=AcquireCacheView(morph_images); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3371 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3372 | #pragma omp parallel for schedule(dynamic,4) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3373 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3374 | for (y=0; y < (ssize_t) morph_images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3375 | { |
| 3376 | MagickBooleanType |
| 3377 | sync; |
| 3378 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3379 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3380 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3381 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3382 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3383 | x; |
| 3384 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3385 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3386 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3387 | |
| 3388 | if (status == MagickFalse) |
| 3389 | continue; |
| 3390 | p=GetCacheViewVirtualPixels(image_view,0,y,morph_image->columns,1, |
| 3391 | exception); |
| 3392 | q=GetCacheViewAuthenticPixels(morph_view,0,y,morph_images->columns,1, |
| 3393 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3394 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3395 | { |
| 3396 | status=MagickFalse; |
| 3397 | continue; |
| 3398 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3399 | for (x=0; x < (ssize_t) morph_images->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3400 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3401 | SetPixelRed(morph_images,ClampToQuantum(alpha* |
| 3402 | GetPixelRed(morph_images,q)+beta*GetPixelRed(morph_image,p)),q); |
| 3403 | SetPixelGreen(morph_images,ClampToQuantum(alpha* |
| 3404 | GetPixelGreen(morph_images,q)+beta*GetPixelGreen(morph_image,p)),q); |
| 3405 | SetPixelBlue(morph_images,ClampToQuantum(alpha* |
| 3406 | GetPixelBlue(morph_images,q)+beta*GetPixelBlue(morph_image,p)),q); |
| 3407 | SetPixelAlpha(morph_images,ClampToQuantum(alpha* |
| 3408 | GetPixelAlpha(morph_images,q)+beta*GetPixelAlpha(morph_image,p)),q); |
| 3409 | if ((morph_image->colorspace == CMYKColorspace) && |
| 3410 | (morph_images->colorspace == CMYKColorspace)) |
| 3411 | SetPixelBlack(morph_images,ClampToQuantum(alpha* |
| 3412 | GetPixelBlack(morph_images,q)+beta*GetPixelBlack(morph_image,p)), |
| 3413 | q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 3414 | p+=GetPixelChannels(morph_image); |
| 3415 | q+=GetPixelChannels(morph_images); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3416 | } |
| 3417 | sync=SyncCacheViewAuthenticPixels(morph_view,exception); |
| 3418 | if (sync == MagickFalse) |
| 3419 | status=MagickFalse; |
| 3420 | } |
| 3421 | morph_view=DestroyCacheView(morph_view); |
| 3422 | image_view=DestroyCacheView(image_view); |
| 3423 | morph_image=DestroyImage(morph_image); |
| 3424 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3425 | if (i < (ssize_t) number_frames) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3426 | break; |
| 3427 | /* |
| 3428 | Clone last frame in sequence. |
| 3429 | */ |
| 3430 | morph_image=CloneImage(GetNextImageInList(next),0,0,MagickTrue,exception); |
| 3431 | if (morph_image == (Image *) NULL) |
| 3432 | { |
| 3433 | morph_images=DestroyImageList(morph_images); |
| 3434 | return((Image *) NULL); |
| 3435 | } |
| 3436 | AppendImageToList(&morph_images,morph_image); |
| 3437 | morph_images=GetLastImageInList(morph_images); |
| 3438 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 3439 | { |
| 3440 | MagickBooleanType |
| 3441 | proceed; |
| 3442 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3443 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3444 | #pragma omp critical (MagickCore_MorphImages) |
| 3445 | #endif |
| 3446 | proceed=SetImageProgress(image,MorphImageTag,scene, |
| 3447 | GetImageListLength(image)); |
| 3448 | if (proceed == MagickFalse) |
| 3449 | status=MagickFalse; |
| 3450 | } |
| 3451 | scene++; |
| 3452 | } |
| 3453 | if (GetNextImageInList(next) != (Image *) NULL) |
| 3454 | { |
| 3455 | morph_images=DestroyImageList(morph_images); |
| 3456 | return((Image *) NULL); |
| 3457 | } |
| 3458 | return(GetFirstImageInList(morph_images)); |
| 3459 | } |
| 3460 | |
| 3461 | /* |
| 3462 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3463 | % % |
| 3464 | % % |
| 3465 | % % |
| 3466 | % P l a s m a I m a g e % |
| 3467 | % % |
| 3468 | % % |
| 3469 | % % |
| 3470 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3471 | % |
| 3472 | % PlasmaImage() initializes an image with plasma fractal values. The image |
| 3473 | % must be initialized with a base color and the random number generator |
| 3474 | % seeded before this method is called. |
| 3475 | % |
| 3476 | % The format of the PlasmaImage method is: |
| 3477 | % |
| 3478 | % MagickBooleanType PlasmaImage(Image *image,const SegmentInfo *segment, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3479 | % size_t attenuate,size_t depth) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3480 | % |
| 3481 | % A description of each parameter follows: |
| 3482 | % |
| 3483 | % o image: the image. |
| 3484 | % |
| 3485 | % o segment: Define the region to apply plasma fractals values. |
| 3486 | % |
glennrp | 7dae1ca | 2010-09-16 12:17:35 +0000 | [diff] [blame] | 3487 | % o attenuate: Define the plasma attenuation factor. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3488 | % |
| 3489 | % o depth: Limit the plasma recursion depth. |
| 3490 | % |
| 3491 | */ |
| 3492 | |
| 3493 | static inline Quantum PlasmaPixel(RandomInfo *random_info, |
| 3494 | const MagickRealType pixel,const MagickRealType noise) |
| 3495 | { |
| 3496 | Quantum |
| 3497 | plasma; |
| 3498 | |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 3499 | plasma=ClampToQuantum(pixel+noise*GetPseudoRandomValue(random_info)- |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3500 | noise/2.0); |
| 3501 | return(plasma); |
| 3502 | } |
| 3503 | |
| 3504 | MagickExport MagickBooleanType PlasmaImageProxy(Image *image, |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3505 | CacheView *image_view,RandomInfo *random_info,const SegmentInfo *segment, |
| 3506 | size_t attenuate,size_t depth) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3507 | { |
| 3508 | ExceptionInfo |
| 3509 | *exception; |
| 3510 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3511 | MagickRealType |
| 3512 | plasma; |
| 3513 | |
| 3514 | PixelPacket |
| 3515 | u, |
| 3516 | v; |
| 3517 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 3518 | ssize_t |
| 3519 | x, |
| 3520 | x_mid, |
| 3521 | y, |
| 3522 | y_mid; |
| 3523 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3524 | if (((segment->x2-segment->x1) == 0.0) && ((segment->y2-segment->y1) == 0.0)) |
| 3525 | return(MagickTrue); |
| 3526 | if (depth != 0) |
| 3527 | { |
| 3528 | SegmentInfo |
| 3529 | local_info; |
| 3530 | |
| 3531 | /* |
| 3532 | Divide the area into quadrants and recurse. |
| 3533 | */ |
| 3534 | depth--; |
| 3535 | attenuate++; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3536 | x_mid=(ssize_t) ceil((segment->x1+segment->x2)/2-0.5); |
| 3537 | y_mid=(ssize_t) ceil((segment->y1+segment->y2)/2-0.5); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3538 | local_info=(*segment); |
| 3539 | local_info.x2=(double) x_mid; |
| 3540 | local_info.y2=(double) y_mid; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3541 | (void) PlasmaImageProxy(image,image_view,random_info,&local_info, |
| 3542 | attenuate,depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3543 | local_info=(*segment); |
| 3544 | local_info.y1=(double) y_mid; |
| 3545 | local_info.x2=(double) x_mid; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3546 | (void) PlasmaImageProxy(image,image_view,random_info,&local_info, |
| 3547 | attenuate,depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3548 | local_info=(*segment); |
| 3549 | local_info.x1=(double) x_mid; |
| 3550 | local_info.y2=(double) y_mid; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3551 | (void) PlasmaImageProxy(image,image_view,random_info,&local_info, |
| 3552 | attenuate,depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3553 | local_info=(*segment); |
| 3554 | local_info.x1=(double) x_mid; |
| 3555 | local_info.y1=(double) y_mid; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3556 | return(PlasmaImageProxy(image,image_view,random_info,&local_info, |
| 3557 | attenuate,depth)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3558 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3559 | x_mid=(ssize_t) ceil((segment->x1+segment->x2)/2-0.5); |
| 3560 | y_mid=(ssize_t) ceil((segment->y1+segment->y2)/2-0.5); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3561 | if ((segment->x1 == (double) x_mid) && (segment->x2 == (double) x_mid) && |
| 3562 | (segment->y1 == (double) y_mid) && (segment->y2 == (double) y_mid)) |
| 3563 | return(MagickFalse); |
| 3564 | /* |
| 3565 | Average pixels and apply plasma. |
| 3566 | */ |
| 3567 | exception=(&image->exception); |
| 3568 | plasma=(MagickRealType) QuantumRange/(2.0*attenuate); |
| 3569 | if ((segment->x1 != (double) x_mid) || (segment->x2 != (double) x_mid)) |
| 3570 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3571 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3572 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3573 | |
| 3574 | /* |
| 3575 | Left pixel. |
| 3576 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3577 | x=(ssize_t) ceil(segment->x1-0.5); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3578 | (void) GetOneCacheViewVirtualPixel(image_view,x,(ssize_t) |
| 3579 | ceil(segment->y1-0.5),&u,exception); |
| 3580 | (void) GetOneCacheViewVirtualPixel(image_view,x,(ssize_t) |
| 3581 | ceil(segment->y2-0.5),&v,exception); |
| 3582 | q=QueueCacheViewAuthenticPixels(image_view,x,y_mid,1,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3583 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3584 | return(MagickTrue); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3585 | SetPixelRed(image,PlasmaPixel(random_info,(MagickRealType) |
| 3586 | (u.red+v.red)/2.0,plasma),q); |
| 3587 | SetPixelGreen(image,PlasmaPixel(random_info,(MagickRealType) |
| 3588 | (u.green+v.green)/2.0,plasma),q); |
| 3589 | SetPixelBlue(image,PlasmaPixel(random_info,(MagickRealType) |
| 3590 | (u.blue+v.blue)/2.0,plasma),q); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3591 | (void) SyncCacheViewAuthenticPixels(image_view,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3592 | if (segment->x1 != segment->x2) |
| 3593 | { |
| 3594 | /* |
| 3595 | Right pixel. |
| 3596 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3597 | x=(ssize_t) ceil(segment->x2-0.5); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3598 | (void) GetOneCacheViewVirtualPixel(image_view,x,(ssize_t) |
| 3599 | ceil(segment->y1-0.5),&u,exception); |
| 3600 | (void) GetOneCacheViewVirtualPixel(image_view,x,(ssize_t) |
| 3601 | ceil(segment->y2-0.5),&v,exception); |
| 3602 | q=QueueCacheViewAuthenticPixels(image_view,x,y_mid,1,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3603 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3604 | return(MagickTrue); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3605 | SetPixelRed(image,PlasmaPixel(random_info,(MagickRealType) |
| 3606 | (u.red+v.red)/2.0,plasma),q); |
| 3607 | SetPixelGreen(image,PlasmaPixel(random_info,(MagickRealType) |
| 3608 | (u.green+v.green)/2.0,plasma),q); |
| 3609 | SetPixelBlue(image,PlasmaPixel(random_info,(MagickRealType) |
| 3610 | (u.blue+v.blue)/2.0,plasma),q); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3611 | (void) SyncCacheViewAuthenticPixels(image_view,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3612 | } |
| 3613 | } |
| 3614 | if ((segment->y1 != (double) y_mid) || (segment->y2 != (double) y_mid)) |
| 3615 | { |
| 3616 | if ((segment->x1 != (double) x_mid) || (segment->y2 != (double) y_mid)) |
| 3617 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3618 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3619 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3620 | |
| 3621 | /* |
| 3622 | Bottom pixel. |
| 3623 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3624 | y=(ssize_t) ceil(segment->y2-0.5); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3625 | (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) |
| 3626 | ceil(segment->x1-0.5),y,&u,exception); |
| 3627 | (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) |
| 3628 | ceil(segment->x2-0.5),y,&v,exception); |
| 3629 | q=QueueCacheViewAuthenticPixels(image_view,x_mid,y,1,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3630 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3631 | return(MagickTrue); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3632 | SetPixelRed(image,PlasmaPixel(random_info,(MagickRealType) |
| 3633 | (u.red+v.red)/2.0,plasma),q); |
| 3634 | SetPixelGreen(image,PlasmaPixel(random_info,(MagickRealType) |
| 3635 | (u.green+v.green)/2.0,plasma),q); |
| 3636 | SetPixelBlue(image,PlasmaPixel(random_info,(MagickRealType) |
| 3637 | (u.blue+v.blue)/2.0,plasma),q); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3638 | (void) SyncCacheViewAuthenticPixels(image_view,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3639 | } |
| 3640 | if (segment->y1 != segment->y2) |
| 3641 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3642 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3643 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3644 | |
| 3645 | /* |
| 3646 | Top pixel. |
| 3647 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3648 | y=(ssize_t) ceil(segment->y1-0.5); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3649 | (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) |
| 3650 | ceil(segment->x1-0.5),y,&u,exception); |
| 3651 | (void) GetOneCacheViewVirtualPixel(image_view,(ssize_t) |
| 3652 | ceil(segment->x2-0.5),y,&v,exception); |
| 3653 | q=QueueCacheViewAuthenticPixels(image_view,x_mid,y,1,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3654 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3655 | return(MagickTrue); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3656 | SetPixelRed(image,PlasmaPixel(random_info,(MagickRealType) |
| 3657 | (u.red+v.red)/2.0,plasma),q); |
| 3658 | SetPixelGreen(image,PlasmaPixel(random_info,(MagickRealType) |
| 3659 | (u.green+v.green)/2.0,plasma),q); |
| 3660 | SetPixelBlue(image,PlasmaPixel(random_info,(MagickRealType) |
| 3661 | (u.blue+v.blue)/2.0,plasma),q); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3662 | (void) SyncCacheViewAuthenticPixels(image_view,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3663 | } |
| 3664 | } |
| 3665 | if ((segment->x1 != segment->x2) || (segment->y1 != segment->y2)) |
| 3666 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3667 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3668 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3669 | |
| 3670 | /* |
| 3671 | Middle pixel. |
| 3672 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3673 | x=(ssize_t) ceil(segment->x1-0.5); |
| 3674 | y=(ssize_t) ceil(segment->y1-0.5); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3675 | (void) GetOneVirtualPixel(image,x,y,&u,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3676 | x=(ssize_t) ceil(segment->x2-0.5); |
| 3677 | y=(ssize_t) ceil(segment->y2-0.5); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3678 | (void) GetOneCacheViewVirtualPixel(image_view,x,y,&v,exception); |
| 3679 | q=QueueCacheViewAuthenticPixels(image_view,x_mid,y_mid,1,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3680 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3681 | return(MagickTrue); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3682 | SetPixelRed(image,PlasmaPixel(random_info,(MagickRealType) |
| 3683 | (u.red+v.red)/2.0,plasma),q); |
| 3684 | SetPixelGreen(image,PlasmaPixel(random_info,(MagickRealType) |
| 3685 | (u.green+v.green)/2.0,plasma),q); |
| 3686 | SetPixelBlue(image,PlasmaPixel(random_info,(MagickRealType) |
| 3687 | (u.blue+v.blue)/2.0,plasma),q); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3688 | (void) SyncCacheViewAuthenticPixels(image_view,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3689 | } |
| 3690 | if (((segment->x2-segment->x1) < 3.0) && ((segment->y2-segment->y1) < 3.0)) |
| 3691 | return(MagickTrue); |
| 3692 | return(MagickFalse); |
| 3693 | } |
| 3694 | |
| 3695 | MagickExport MagickBooleanType PlasmaImage(Image *image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3696 | const SegmentInfo *segment,size_t attenuate,size_t depth) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3697 | { |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3698 | CacheView |
| 3699 | *image_view; |
| 3700 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3701 | MagickBooleanType |
| 3702 | status; |
| 3703 | |
| 3704 | RandomInfo |
| 3705 | *random_info; |
| 3706 | |
| 3707 | if (image->debug != MagickFalse) |
| 3708 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
| 3709 | assert(image != (Image *) NULL); |
| 3710 | assert(image->signature == MagickSignature); |
| 3711 | if (image->debug != MagickFalse) |
| 3712 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3713 | if (SetImageStorageClass(image,DirectClass) == MagickFalse) |
| 3714 | return(MagickFalse); |
| 3715 | image_view=AcquireCacheView(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3716 | random_info=AcquireRandomInfo(); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3717 | status=PlasmaImageProxy(image,image_view,random_info,segment,attenuate,depth); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3718 | random_info=DestroyRandomInfo(random_info); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 3719 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3720 | return(status); |
| 3721 | } |
| 3722 | |
| 3723 | /* |
| 3724 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3725 | % % |
| 3726 | % % |
| 3727 | % % |
| 3728 | % P o l a r o i d I m a g e % |
| 3729 | % % |
| 3730 | % % |
| 3731 | % % |
| 3732 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3733 | % |
| 3734 | % PolaroidImage() simulates a Polaroid picture. |
| 3735 | % |
| 3736 | % The format of the AnnotateImage method is: |
| 3737 | % |
| 3738 | % Image *PolaroidImage(const Image *image,const DrawInfo *draw_info, |
| 3739 | % const double angle,ExceptionInfo exception) |
| 3740 | % |
| 3741 | % A description of each parameter follows: |
| 3742 | % |
| 3743 | % o image: the image. |
| 3744 | % |
| 3745 | % o draw_info: the draw info. |
| 3746 | % |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 3747 | % o angle: Apply the effect along this angle. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3748 | % |
| 3749 | % o exception: return any errors or warnings in this structure. |
| 3750 | % |
| 3751 | */ |
| 3752 | MagickExport Image *PolaroidImage(const Image *image,const DrawInfo *draw_info, |
| 3753 | const double angle,ExceptionInfo *exception) |
| 3754 | { |
| 3755 | const char |
| 3756 | *value; |
| 3757 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3758 | Image |
| 3759 | *bend_image, |
| 3760 | *caption_image, |
| 3761 | *flop_image, |
| 3762 | *picture_image, |
| 3763 | *polaroid_image, |
| 3764 | *rotate_image, |
| 3765 | *trim_image; |
| 3766 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3767 | size_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3768 | height; |
| 3769 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 3770 | ssize_t |
| 3771 | quantum; |
| 3772 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3773 | /* |
| 3774 | Simulate a Polaroid picture. |
| 3775 | */ |
| 3776 | assert(image != (Image *) NULL); |
| 3777 | assert(image->signature == MagickSignature); |
| 3778 | if (image->debug != MagickFalse) |
| 3779 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3780 | assert(exception != (ExceptionInfo *) NULL); |
| 3781 | assert(exception->signature == MagickSignature); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3782 | quantum=(ssize_t) MagickMax(MagickMax((double) image->columns,(double) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3783 | image->rows)/25.0,10.0); |
| 3784 | height=image->rows+2*quantum; |
| 3785 | caption_image=(Image *) NULL; |
| 3786 | value=GetImageProperty(image,"Caption"); |
| 3787 | if (value != (const char *) NULL) |
| 3788 | { |
| 3789 | char |
| 3790 | *caption, |
| 3791 | geometry[MaxTextExtent]; |
| 3792 | |
| 3793 | DrawInfo |
| 3794 | *annotate_info; |
| 3795 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3796 | MagickBooleanType |
| 3797 | status; |
| 3798 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 3799 | ssize_t |
| 3800 | count; |
| 3801 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3802 | TypeMetric |
| 3803 | metrics; |
| 3804 | |
| 3805 | /* |
| 3806 | Generate caption image. |
| 3807 | */ |
| 3808 | caption_image=CloneImage(image,image->columns,1,MagickTrue,exception); |
| 3809 | if (caption_image == (Image *) NULL) |
| 3810 | return((Image *) NULL); |
| 3811 | annotate_info=CloneDrawInfo((const ImageInfo *) NULL,draw_info); |
| 3812 | caption=InterpretImageProperties((ImageInfo *) NULL,(Image *) image, |
| 3813 | value); |
| 3814 | (void) CloneString(&annotate_info->text,caption); |
cristy | 6b1d05e | 2010-09-22 19:17:27 +0000 | [diff] [blame] | 3815 | count=FormatMagickCaption(caption_image,annotate_info,MagickTrue,&metrics, |
| 3816 | &caption); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3817 | status=SetImageExtent(caption_image,image->columns,(size_t) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3818 | ((count+1)*(metrics.ascent-metrics.descent)+0.5)); |
| 3819 | if (status == MagickFalse) |
| 3820 | caption_image=DestroyImage(caption_image); |
| 3821 | else |
| 3822 | { |
| 3823 | caption_image->background_color=image->border_color; |
| 3824 | (void) SetImageBackgroundColor(caption_image); |
| 3825 | (void) CloneString(&annotate_info->text,caption); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 3826 | (void) FormatLocaleString(geometry,MaxTextExtent,"+0+%g", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3827 | metrics.ascent); |
| 3828 | if (annotate_info->gravity == UndefinedGravity) |
| 3829 | (void) CloneString(&annotate_info->geometry,AcquireString( |
| 3830 | geometry)); |
| 3831 | (void) AnnotateImage(caption_image,annotate_info); |
| 3832 | height+=caption_image->rows; |
| 3833 | } |
| 3834 | annotate_info=DestroyDrawInfo(annotate_info); |
| 3835 | caption=DestroyString(caption); |
| 3836 | } |
| 3837 | picture_image=CloneImage(image,image->columns+2*quantum,height,MagickTrue, |
| 3838 | exception); |
| 3839 | if (picture_image == (Image *) NULL) |
| 3840 | { |
| 3841 | if (caption_image != (Image *) NULL) |
| 3842 | caption_image=DestroyImage(caption_image); |
| 3843 | return((Image *) NULL); |
| 3844 | } |
| 3845 | picture_image->background_color=image->border_color; |
| 3846 | (void) SetImageBackgroundColor(picture_image); |
| 3847 | (void) CompositeImage(picture_image,OverCompositeOp,image,quantum,quantum); |
| 3848 | if (caption_image != (Image *) NULL) |
| 3849 | { |
| 3850 | (void) CompositeImage(picture_image,OverCompositeOp,caption_image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3851 | quantum,(ssize_t) (image->rows+3*quantum/2)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3852 | caption_image=DestroyImage(caption_image); |
| 3853 | } |
| 3854 | (void) QueryColorDatabase("none",&picture_image->background_color,exception); |
| 3855 | (void) SetImageAlphaChannel(picture_image,OpaqueAlphaChannel); |
| 3856 | rotate_image=RotateImage(picture_image,90.0,exception); |
| 3857 | picture_image=DestroyImage(picture_image); |
| 3858 | if (rotate_image == (Image *) NULL) |
| 3859 | return((Image *) NULL); |
| 3860 | picture_image=rotate_image; |
| 3861 | bend_image=WaveImage(picture_image,0.01*picture_image->rows,2.0* |
| 3862 | picture_image->columns,exception); |
| 3863 | picture_image=DestroyImage(picture_image); |
| 3864 | if (bend_image == (Image *) NULL) |
| 3865 | return((Image *) NULL); |
| 3866 | InheritException(&bend_image->exception,exception); |
| 3867 | picture_image=bend_image; |
| 3868 | rotate_image=RotateImage(picture_image,-90.0,exception); |
| 3869 | picture_image=DestroyImage(picture_image); |
| 3870 | if (rotate_image == (Image *) NULL) |
| 3871 | return((Image *) NULL); |
| 3872 | picture_image=rotate_image; |
| 3873 | picture_image->background_color=image->background_color; |
| 3874 | polaroid_image=ShadowImage(picture_image,80.0,2.0,quantum/3,quantum/3, |
| 3875 | exception); |
| 3876 | if (polaroid_image == (Image *) NULL) |
| 3877 | { |
| 3878 | picture_image=DestroyImage(picture_image); |
| 3879 | return(picture_image); |
| 3880 | } |
| 3881 | flop_image=FlopImage(polaroid_image,exception); |
| 3882 | polaroid_image=DestroyImage(polaroid_image); |
| 3883 | if (flop_image == (Image *) NULL) |
| 3884 | { |
| 3885 | picture_image=DestroyImage(picture_image); |
| 3886 | return(picture_image); |
| 3887 | } |
| 3888 | polaroid_image=flop_image; |
| 3889 | (void) CompositeImage(polaroid_image,OverCompositeOp,picture_image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3890 | (ssize_t) (-0.01*picture_image->columns/2.0),0L); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3891 | picture_image=DestroyImage(picture_image); |
| 3892 | (void) QueryColorDatabase("none",&polaroid_image->background_color,exception); |
| 3893 | rotate_image=RotateImage(polaroid_image,angle,exception); |
| 3894 | polaroid_image=DestroyImage(polaroid_image); |
| 3895 | if (rotate_image == (Image *) NULL) |
| 3896 | return((Image *) NULL); |
| 3897 | polaroid_image=rotate_image; |
| 3898 | trim_image=TrimImage(polaroid_image,exception); |
| 3899 | polaroid_image=DestroyImage(polaroid_image); |
| 3900 | if (trim_image == (Image *) NULL) |
| 3901 | return((Image *) NULL); |
| 3902 | polaroid_image=trim_image; |
| 3903 | return(polaroid_image); |
| 3904 | } |
| 3905 | |
| 3906 | /* |
| 3907 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3908 | % % |
| 3909 | % % |
| 3910 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3911 | % S e p i a T o n e I m a g e % |
| 3912 | % % |
| 3913 | % % |
| 3914 | % % |
| 3915 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3916 | % |
| 3917 | % MagickSepiaToneImage() applies a special effect to the image, similar to the |
| 3918 | % effect achieved in a photo darkroom by sepia toning. Threshold ranges from |
| 3919 | % 0 to QuantumRange and is a measure of the extent of the sepia toning. A |
| 3920 | % threshold of 80% is a good starting point for a reasonable tone. |
| 3921 | % |
| 3922 | % The format of the SepiaToneImage method is: |
| 3923 | % |
| 3924 | % Image *SepiaToneImage(const Image *image,const double threshold, |
| 3925 | % ExceptionInfo *exception) |
| 3926 | % |
| 3927 | % A description of each parameter follows: |
| 3928 | % |
| 3929 | % o image: the image. |
| 3930 | % |
| 3931 | % o threshold: the tone threshold. |
| 3932 | % |
| 3933 | % o exception: return any errors or warnings in this structure. |
| 3934 | % |
| 3935 | */ |
| 3936 | MagickExport Image *SepiaToneImage(const Image *image,const double threshold, |
| 3937 | ExceptionInfo *exception) |
| 3938 | { |
| 3939 | #define SepiaToneImageTag "SepiaTone/Image" |
| 3940 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 3941 | CacheView |
| 3942 | *image_view, |
| 3943 | *sepia_view; |
| 3944 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3945 | Image |
| 3946 | *sepia_image; |
| 3947 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3948 | MagickBooleanType |
| 3949 | status; |
| 3950 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3951 | MagickOffsetType |
| 3952 | progress; |
| 3953 | |
| 3954 | ssize_t |
| 3955 | y; |
| 3956 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3957 | /* |
| 3958 | Initialize sepia-toned image attributes. |
| 3959 | */ |
| 3960 | assert(image != (const Image *) NULL); |
| 3961 | assert(image->signature == MagickSignature); |
| 3962 | if (image->debug != MagickFalse) |
| 3963 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 3964 | assert(exception != (ExceptionInfo *) NULL); |
| 3965 | assert(exception->signature == MagickSignature); |
| 3966 | sepia_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 3967 | if (sepia_image == (Image *) NULL) |
| 3968 | return((Image *) NULL); |
| 3969 | if (SetImageStorageClass(sepia_image,DirectClass) == MagickFalse) |
| 3970 | { |
| 3971 | InheritException(exception,&sepia_image->exception); |
| 3972 | sepia_image=DestroyImage(sepia_image); |
| 3973 | return((Image *) NULL); |
| 3974 | } |
| 3975 | /* |
| 3976 | Tone each row of the image. |
| 3977 | */ |
| 3978 | status=MagickTrue; |
| 3979 | progress=0; |
| 3980 | image_view=AcquireCacheView(image); |
| 3981 | sepia_view=AcquireCacheView(sepia_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 3982 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 3983 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3984 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3985 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3986 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3987 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3988 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3989 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 3990 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3991 | x; |
| 3992 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 3993 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 3994 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 3995 | |
| 3996 | if (status == MagickFalse) |
| 3997 | continue; |
| 3998 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 3999 | q=QueueCacheViewAuthenticPixels(sepia_view,0,y,sepia_image->columns,1, |
| 4000 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4001 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4002 | { |
| 4003 | status=MagickFalse; |
| 4004 | continue; |
| 4005 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4006 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4007 | { |
| 4008 | MagickRealType |
| 4009 | intensity, |
| 4010 | tone; |
| 4011 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4012 | intensity=(MagickRealType) GetPixelIntensity(image,p); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4013 | tone=intensity > threshold ? (MagickRealType) QuantumRange : intensity+ |
| 4014 | (MagickRealType) QuantumRange-threshold; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4015 | SetPixelRed(sepia_image,ClampToQuantum(tone),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4016 | tone=intensity > (7.0*threshold/6.0) ? (MagickRealType) QuantumRange : |
| 4017 | intensity+(MagickRealType) QuantumRange-7.0*threshold/6.0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4018 | SetPixelGreen(sepia_image,ClampToQuantum(tone),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4019 | tone=intensity < (threshold/6.0) ? 0 : intensity-threshold/6.0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4020 | SetPixelBlue(sepia_image,ClampToQuantum(tone),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4021 | tone=threshold/7.0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4022 | if ((MagickRealType) GetPixelGreen(image,q) < tone) |
| 4023 | SetPixelGreen(sepia_image,ClampToQuantum(tone),q); |
| 4024 | if ((MagickRealType) GetPixelBlue(image,q) < tone) |
| 4025 | SetPixelBlue(sepia_image,ClampToQuantum(tone),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4026 | p+=GetPixelChannels(image); |
| 4027 | q+=GetPixelChannels(sepia_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4028 | } |
| 4029 | if (SyncCacheViewAuthenticPixels(sepia_view,exception) == MagickFalse) |
| 4030 | status=MagickFalse; |
| 4031 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4032 | { |
| 4033 | MagickBooleanType |
| 4034 | proceed; |
| 4035 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4036 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4037 | #pragma omp critical (MagickCore_SepiaToneImage) |
| 4038 | #endif |
| 4039 | proceed=SetImageProgress(image,SepiaToneImageTag,progress++, |
| 4040 | image->rows); |
| 4041 | if (proceed == MagickFalse) |
| 4042 | status=MagickFalse; |
| 4043 | } |
| 4044 | } |
| 4045 | sepia_view=DestroyCacheView(sepia_view); |
| 4046 | image_view=DestroyCacheView(image_view); |
| 4047 | (void) NormalizeImage(sepia_image); |
| 4048 | (void) ContrastImage(sepia_image,MagickTrue); |
| 4049 | if (status == MagickFalse) |
| 4050 | sepia_image=DestroyImage(sepia_image); |
| 4051 | return(sepia_image); |
| 4052 | } |
| 4053 | |
| 4054 | /* |
| 4055 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4056 | % % |
| 4057 | % % |
| 4058 | % % |
| 4059 | % S h a d o w I m a g e % |
| 4060 | % % |
| 4061 | % % |
| 4062 | % % |
| 4063 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4064 | % |
| 4065 | % ShadowImage() simulates a shadow from the specified image and returns it. |
| 4066 | % |
| 4067 | % The format of the ShadowImage method is: |
| 4068 | % |
| 4069 | % Image *ShadowImage(const Image *image,const double opacity, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4070 | % const double sigma,const ssize_t x_offset,const ssize_t y_offset, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4071 | % ExceptionInfo *exception) |
| 4072 | % |
| 4073 | % A description of each parameter follows: |
| 4074 | % |
| 4075 | % o image: the image. |
| 4076 | % |
| 4077 | % o opacity: percentage transparency. |
| 4078 | % |
| 4079 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 4080 | % |
| 4081 | % o x_offset: the shadow x-offset. |
| 4082 | % |
| 4083 | % o y_offset: the shadow y-offset. |
| 4084 | % |
| 4085 | % o exception: return any errors or warnings in this structure. |
| 4086 | % |
| 4087 | */ |
| 4088 | MagickExport Image *ShadowImage(const Image *image,const double opacity, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4089 | const double sigma,const ssize_t x_offset,const ssize_t y_offset, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4090 | ExceptionInfo *exception) |
| 4091 | { |
| 4092 | #define ShadowImageTag "Shadow/Image" |
| 4093 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 4094 | CacheView |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4095 | *border_view; |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 4096 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4097 | Image |
| 4098 | *border_image, |
| 4099 | *clone_image, |
| 4100 | *shadow_image; |
| 4101 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4102 | MagickBooleanType |
| 4103 | status; |
| 4104 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4105 | MagickOffsetType |
| 4106 | progress; |
| 4107 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4108 | RectangleInfo |
| 4109 | border_info; |
| 4110 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4111 | ssize_t |
| 4112 | y; |
| 4113 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4114 | assert(image != (Image *) NULL); |
| 4115 | assert(image->signature == MagickSignature); |
| 4116 | if (image->debug != MagickFalse) |
| 4117 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4118 | assert(exception != (ExceptionInfo *) NULL); |
| 4119 | assert(exception->signature == MagickSignature); |
| 4120 | clone_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4121 | if (clone_image == (Image *) NULL) |
| 4122 | return((Image *) NULL); |
| 4123 | (void) SetImageVirtualPixelMethod(clone_image,EdgeVirtualPixelMethod); |
| 4124 | clone_image->compose=OverCompositeOp; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4125 | border_info.width=(size_t) floor(2.0*sigma+0.5); |
| 4126 | border_info.height=(size_t) floor(2.0*sigma+0.5); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4127 | border_info.x=0; |
| 4128 | border_info.y=0; |
| 4129 | (void) QueryColorDatabase("none",&clone_image->border_color,exception); |
| 4130 | border_image=BorderImage(clone_image,&border_info,exception); |
| 4131 | clone_image=DestroyImage(clone_image); |
| 4132 | if (border_image == (Image *) NULL) |
| 4133 | return((Image *) NULL); |
| 4134 | if (border_image->matte == MagickFalse) |
| 4135 | (void) SetImageAlphaChannel(border_image,OpaqueAlphaChannel); |
| 4136 | /* |
| 4137 | Shadow image. |
| 4138 | */ |
| 4139 | status=MagickTrue; |
| 4140 | progress=0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4141 | border_view=AcquireCacheView(border_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4142 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4143 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4144 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4145 | for (y=0; y < (ssize_t) border_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4146 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4147 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4148 | x; |
| 4149 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4150 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4151 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4152 | |
| 4153 | if (status == MagickFalse) |
| 4154 | continue; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4155 | q=GetCacheViewAuthenticPixels(border_view,0,y,border_image->columns,1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4156 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4157 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4158 | { |
| 4159 | status=MagickFalse; |
| 4160 | continue; |
| 4161 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4162 | for (x=0; x < (ssize_t) border_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4163 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4164 | SetPixelRed(border_image,border_image->background_color.red,q); |
| 4165 | SetPixelGreen(border_image,border_image->background_color.green,q); |
| 4166 | SetPixelBlue(border_image,border_image->background_color.blue,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4167 | if (border_image->matte == MagickFalse) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4168 | SetPixelAlpha(border_image,border_image->background_color.alpha,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4169 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4170 | SetPixelAlpha(border_image,ClampToQuantum((MagickRealType) |
| 4171 | (GetPixelAlpha(border_image,q)*opacity/100.0)),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4172 | q+=GetPixelChannels(border_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4173 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4174 | if (SyncCacheViewAuthenticPixels(border_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4175 | status=MagickFalse; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4176 | if (border_image->progress_monitor != (MagickProgressMonitor) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4177 | { |
| 4178 | MagickBooleanType |
| 4179 | proceed; |
| 4180 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4181 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4182 | #pragma omp critical (MagickCore_ShadowImage) |
| 4183 | #endif |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4184 | proceed=SetImageProgress(border_image,ShadowImageTag,progress++, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4185 | border_image->rows); |
| 4186 | if (proceed == MagickFalse) |
| 4187 | status=MagickFalse; |
| 4188 | } |
| 4189 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4190 | border_view=DestroyCacheView(border_view); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4191 | PushPixelChannelMap(border_image,AlphaChannel); |
cristy | f4ad9df | 2011-07-08 16:49:03 +0000 | [diff] [blame] | 4192 | shadow_image=BlurImage(border_image,0.0,sigma,exception); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4193 | PopPixelChannelMap(border_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4194 | border_image=DestroyImage(border_image); |
| 4195 | if (shadow_image == (Image *) NULL) |
| 4196 | return((Image *) NULL); |
| 4197 | if (shadow_image->page.width == 0) |
| 4198 | shadow_image->page.width=shadow_image->columns; |
| 4199 | if (shadow_image->page.height == 0) |
| 4200 | shadow_image->page.height=shadow_image->rows; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4201 | shadow_image->page.width+=x_offset-(ssize_t) border_info.width; |
| 4202 | shadow_image->page.height+=y_offset-(ssize_t) border_info.height; |
| 4203 | shadow_image->page.x+=x_offset-(ssize_t) border_info.width; |
| 4204 | shadow_image->page.y+=y_offset-(ssize_t) border_info.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4205 | return(shadow_image); |
| 4206 | } |
| 4207 | |
| 4208 | /* |
| 4209 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4210 | % % |
| 4211 | % % |
| 4212 | % % |
| 4213 | % S k e t c h I m a g e % |
| 4214 | % % |
| 4215 | % % |
| 4216 | % % |
| 4217 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4218 | % |
| 4219 | % SketchImage() simulates a pencil sketch. We convolve the image with a |
| 4220 | % Gaussian operator of the given radius and standard deviation (sigma). For |
| 4221 | % reasonable results, radius should be larger than sigma. Use a radius of 0 |
| 4222 | % and SketchImage() selects a suitable radius for you. Angle gives the angle |
| 4223 | % of the sketch. |
| 4224 | % |
| 4225 | % The format of the SketchImage method is: |
| 4226 | % |
| 4227 | % Image *SketchImage(const Image *image,const double radius, |
| 4228 | % const double sigma,const double angle,ExceptionInfo *exception) |
| 4229 | % |
| 4230 | % A description of each parameter follows: |
| 4231 | % |
| 4232 | % o image: the image. |
| 4233 | % |
| 4234 | % o radius: the radius of the Gaussian, in pixels, not counting |
| 4235 | % the center pixel. |
| 4236 | % |
| 4237 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 4238 | % |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 4239 | % o angle: Apply the effect along this angle. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4240 | % |
| 4241 | % o exception: return any errors or warnings in this structure. |
| 4242 | % |
| 4243 | */ |
| 4244 | MagickExport Image *SketchImage(const Image *image,const double radius, |
| 4245 | const double sigma,const double angle,ExceptionInfo *exception) |
| 4246 | { |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 4247 | CacheView |
| 4248 | *random_view; |
| 4249 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4250 | Image |
| 4251 | *blend_image, |
| 4252 | *blur_image, |
| 4253 | *dodge_image, |
| 4254 | *random_image, |
| 4255 | *sketch_image; |
| 4256 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4257 | MagickBooleanType |
| 4258 | status; |
| 4259 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4260 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4261 | zero; |
| 4262 | |
| 4263 | RandomInfo |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 4264 | **restrict random_info; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4265 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 4266 | ssize_t |
| 4267 | y; |
| 4268 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4269 | /* |
| 4270 | Sketch image. |
| 4271 | */ |
| 4272 | random_image=CloneImage(image,image->columns << 1,image->rows << 1, |
| 4273 | MagickTrue,exception); |
| 4274 | if (random_image == (Image *) NULL) |
| 4275 | return((Image *) NULL); |
| 4276 | status=MagickTrue; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4277 | GetPixelInfo(random_image,&zero); |
cristy | 1b78443 | 2009-12-19 02:20:40 +0000 | [diff] [blame] | 4278 | random_info=AcquireRandomInfoThreadSet(); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4279 | random_view=AcquireCacheView(random_image); |
cristy | 1b78443 | 2009-12-19 02:20:40 +0000 | [diff] [blame] | 4280 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4281 | #pragma omp parallel for schedule(dynamic,4) shared(status) |
| 4282 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4283 | for (y=0; y < (ssize_t) random_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4284 | { |
cristy | 5c9e6f2 | 2010-09-17 17:31:01 +0000 | [diff] [blame] | 4285 | const int |
| 4286 | id = GetOpenMPThreadId(); |
cristy | 6ebe97c | 2010-07-03 01:17:28 +0000 | [diff] [blame] | 4287 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4288 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4289 | pixel; |
| 4290 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4291 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4292 | x; |
| 4293 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4294 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4295 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4296 | |
cristy | 1b78443 | 2009-12-19 02:20:40 +0000 | [diff] [blame] | 4297 | if (status == MagickFalse) |
| 4298 | continue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4299 | q=QueueCacheViewAuthenticPixels(random_view,0,y,random_image->columns,1, |
| 4300 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4301 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4302 | { |
| 4303 | status=MagickFalse; |
| 4304 | continue; |
| 4305 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4306 | pixel=zero; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4307 | for (x=0; x < (ssize_t) random_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4308 | { |
| 4309 | pixel.red=(MagickRealType) (QuantumRange* |
cristy | 1b78443 | 2009-12-19 02:20:40 +0000 | [diff] [blame] | 4310 | GetPseudoRandomValue(random_info[id])); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4311 | pixel.green=pixel.red; |
| 4312 | pixel.blue=pixel.red; |
| 4313 | if (image->colorspace == CMYKColorspace) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4314 | pixel.black=pixel.red; |
| 4315 | SetPixelPixelInfo(random_image,&pixel,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4316 | q+=GetPixelChannels(random_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4317 | } |
| 4318 | if (SyncCacheViewAuthenticPixels(random_view,exception) == MagickFalse) |
| 4319 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4320 | } |
| 4321 | random_view=DestroyCacheView(random_view); |
cristy | 1b78443 | 2009-12-19 02:20:40 +0000 | [diff] [blame] | 4322 | random_info=DestroyRandomInfoThreadSet(random_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4323 | if (status == MagickFalse) |
| 4324 | { |
| 4325 | random_image=DestroyImage(random_image); |
| 4326 | return(random_image); |
| 4327 | } |
| 4328 | blur_image=MotionBlurImage(random_image,radius,sigma,angle,exception); |
| 4329 | random_image=DestroyImage(random_image); |
| 4330 | if (blur_image == (Image *) NULL) |
| 4331 | return((Image *) NULL); |
| 4332 | dodge_image=EdgeImage(blur_image,radius,exception); |
| 4333 | blur_image=DestroyImage(blur_image); |
| 4334 | if (dodge_image == (Image *) NULL) |
| 4335 | return((Image *) NULL); |
| 4336 | (void) NormalizeImage(dodge_image); |
cristy | b3e7c6c | 2011-07-24 01:43:55 +0000 | [diff] [blame] | 4337 | (void) NegateImage(dodge_image,MagickFalse,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4338 | (void) TransformImage(&dodge_image,(char *) NULL,"50%"); |
| 4339 | sketch_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4340 | if (sketch_image == (Image *) NULL) |
| 4341 | { |
| 4342 | dodge_image=DestroyImage(dodge_image); |
| 4343 | return((Image *) NULL); |
| 4344 | } |
| 4345 | (void) CompositeImage(sketch_image,ColorDodgeCompositeOp,dodge_image,0,0); |
| 4346 | dodge_image=DestroyImage(dodge_image); |
| 4347 | blend_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4348 | if (blend_image == (Image *) NULL) |
| 4349 | { |
| 4350 | sketch_image=DestroyImage(sketch_image); |
| 4351 | return((Image *) NULL); |
| 4352 | } |
| 4353 | (void) SetImageArtifact(blend_image,"compose:args","20x80"); |
| 4354 | (void) CompositeImage(sketch_image,BlendCompositeOp,blend_image,0,0); |
| 4355 | blend_image=DestroyImage(blend_image); |
| 4356 | return(sketch_image); |
| 4357 | } |
| 4358 | |
| 4359 | /* |
| 4360 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4361 | % % |
| 4362 | % % |
| 4363 | % % |
| 4364 | % S o l a r i z e I m a g e % |
| 4365 | % % |
| 4366 | % % |
| 4367 | % % |
| 4368 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4369 | % |
| 4370 | % SolarizeImage() applies a special effect to the image, similar to the effect |
| 4371 | % achieved in a photo darkroom by selectively exposing areas of photo |
| 4372 | % sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a |
| 4373 | % measure of the extent of the solarization. |
| 4374 | % |
| 4375 | % The format of the SolarizeImage method is: |
| 4376 | % |
| 4377 | % MagickBooleanType SolarizeImage(Image *image,const double threshold) |
| 4378 | % |
| 4379 | % A description of each parameter follows: |
| 4380 | % |
| 4381 | % o image: the image. |
| 4382 | % |
| 4383 | % o threshold: Define the extent of the solarization. |
| 4384 | % |
| 4385 | */ |
| 4386 | MagickExport MagickBooleanType SolarizeImage(Image *image, |
| 4387 | const double threshold) |
| 4388 | { |
| 4389 | #define SolarizeImageTag "Solarize/Image" |
| 4390 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 4391 | CacheView |
| 4392 | *image_view; |
| 4393 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4394 | ExceptionInfo |
| 4395 | *exception; |
| 4396 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4397 | MagickBooleanType |
| 4398 | status; |
| 4399 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4400 | MagickOffsetType |
| 4401 | progress; |
| 4402 | |
| 4403 | ssize_t |
| 4404 | y; |
| 4405 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4406 | assert(image != (Image *) NULL); |
| 4407 | assert(image->signature == MagickSignature); |
| 4408 | if (image->debug != MagickFalse) |
| 4409 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4410 | if (image->storage_class == PseudoClass) |
| 4411 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4412 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4413 | i; |
| 4414 | |
| 4415 | /* |
| 4416 | Solarize colormap. |
| 4417 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4418 | for (i=0; i < (ssize_t) image->colors; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4419 | { |
| 4420 | if ((MagickRealType) image->colormap[i].red > threshold) |
| 4421 | image->colormap[i].red=(Quantum) QuantumRange-image->colormap[i].red; |
| 4422 | if ((MagickRealType) image->colormap[i].green > threshold) |
| 4423 | image->colormap[i].green=(Quantum) QuantumRange- |
| 4424 | image->colormap[i].green; |
| 4425 | if ((MagickRealType) image->colormap[i].blue > threshold) |
| 4426 | image->colormap[i].blue=(Quantum) QuantumRange- |
| 4427 | image->colormap[i].blue; |
| 4428 | } |
| 4429 | } |
| 4430 | /* |
| 4431 | Solarize image. |
| 4432 | */ |
| 4433 | status=MagickTrue; |
| 4434 | progress=0; |
| 4435 | exception=(&image->exception); |
| 4436 | image_view=AcquireCacheView(image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4437 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4438 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4439 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4440 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4441 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4442 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4443 | x; |
| 4444 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4445 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4446 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4447 | |
| 4448 | if (status == MagickFalse) |
| 4449 | continue; |
| 4450 | q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, |
| 4451 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4452 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4453 | { |
| 4454 | status=MagickFalse; |
| 4455 | continue; |
| 4456 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4457 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4458 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4459 | if ((MagickRealType) GetPixelRed(image,q) > threshold) |
| 4460 | SetPixelRed(image,QuantumRange-GetPixelRed(image,q),q); |
| 4461 | if ((MagickRealType) GetPixelGreen(image,q) > threshold) |
| 4462 | SetPixelGreen(image,QuantumRange-GetPixelGreen(image,q),q); |
| 4463 | if ((MagickRealType) GetPixelBlue(image,q) > threshold) |
| 4464 | SetPixelBlue(image,QuantumRange-GetPixelBlue(image,q),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4465 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4466 | } |
| 4467 | if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) |
| 4468 | status=MagickFalse; |
| 4469 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4470 | { |
| 4471 | MagickBooleanType |
| 4472 | proceed; |
| 4473 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4474 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4475 | #pragma omp critical (MagickCore_SolarizeImage) |
| 4476 | #endif |
| 4477 | proceed=SetImageProgress(image,SolarizeImageTag,progress++,image->rows); |
| 4478 | if (proceed == MagickFalse) |
| 4479 | status=MagickFalse; |
| 4480 | } |
| 4481 | } |
| 4482 | image_view=DestroyCacheView(image_view); |
| 4483 | return(status); |
| 4484 | } |
| 4485 | |
| 4486 | /* |
| 4487 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4488 | % % |
| 4489 | % % |
| 4490 | % % |
| 4491 | % S t e g a n o I m a g e % |
| 4492 | % % |
| 4493 | % % |
| 4494 | % % |
| 4495 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4496 | % |
| 4497 | % SteganoImage() hides a digital watermark within the image. Recover |
| 4498 | % the hidden watermark later to prove that the authenticity of an image. |
| 4499 | % Offset defines the start position within the image to hide the watermark. |
| 4500 | % |
| 4501 | % The format of the SteganoImage method is: |
| 4502 | % |
| 4503 | % Image *SteganoImage(const Image *image,Image *watermark, |
| 4504 | % ExceptionInfo *exception) |
| 4505 | % |
| 4506 | % A description of each parameter follows: |
| 4507 | % |
| 4508 | % o image: the image. |
| 4509 | % |
| 4510 | % o watermark: the watermark image. |
| 4511 | % |
| 4512 | % o exception: return any errors or warnings in this structure. |
| 4513 | % |
| 4514 | */ |
| 4515 | MagickExport Image *SteganoImage(const Image *image,const Image *watermark, |
| 4516 | ExceptionInfo *exception) |
| 4517 | { |
cristy | e1bf8ad | 2010-09-19 17:07:03 +0000 | [diff] [blame] | 4518 | #define GetBit(alpha,i) ((((size_t) (alpha) >> (size_t) (i)) & 0x01) != 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4519 | #define SetBit(alpha,i,set) (Quantum) ((set) != 0 ? (size_t) (alpha) \ |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 4520 | | (one << (size_t) (i)) : (size_t) (alpha) & ~(one << (size_t) (i))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4521 | #define SteganoImageTag "Stegano/Image" |
| 4522 | |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4523 | CacheView |
| 4524 | *stegano_view, |
| 4525 | *watermark_view; |
| 4526 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4527 | Image |
| 4528 | *stegano_image; |
| 4529 | |
| 4530 | int |
| 4531 | c; |
| 4532 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4533 | MagickBooleanType |
| 4534 | status; |
| 4535 | |
| 4536 | PixelPacket |
| 4537 | pixel; |
| 4538 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4539 | register Quantum |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4540 | *q; |
| 4541 | |
cristy | e1bf8ad | 2010-09-19 17:07:03 +0000 | [diff] [blame] | 4542 | register ssize_t |
| 4543 | x; |
| 4544 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4545 | size_t |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 4546 | depth, |
| 4547 | one; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4548 | |
cristy | e1bf8ad | 2010-09-19 17:07:03 +0000 | [diff] [blame] | 4549 | ssize_t |
| 4550 | i, |
| 4551 | j, |
| 4552 | k, |
| 4553 | y; |
| 4554 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4555 | /* |
| 4556 | Initialize steganographic image attributes. |
| 4557 | */ |
| 4558 | assert(image != (const Image *) NULL); |
| 4559 | assert(image->signature == MagickSignature); |
| 4560 | if (image->debug != MagickFalse) |
| 4561 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4562 | assert(watermark != (const Image *) NULL); |
| 4563 | assert(watermark->signature == MagickSignature); |
| 4564 | assert(exception != (ExceptionInfo *) NULL); |
| 4565 | assert(exception->signature == MagickSignature); |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 4566 | one=1UL; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4567 | stegano_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4568 | if (stegano_image == (Image *) NULL) |
| 4569 | return((Image *) NULL); |
| 4570 | if (SetImageStorageClass(stegano_image,DirectClass) == MagickFalse) |
| 4571 | { |
| 4572 | InheritException(exception,&stegano_image->exception); |
| 4573 | stegano_image=DestroyImage(stegano_image); |
| 4574 | return((Image *) NULL); |
| 4575 | } |
| 4576 | stegano_image->depth=MAGICKCORE_QUANTUM_DEPTH; |
| 4577 | /* |
| 4578 | Hide watermark in low-order bits of image. |
| 4579 | */ |
| 4580 | c=0; |
| 4581 | i=0; |
| 4582 | j=0; |
| 4583 | depth=stegano_image->depth; |
| 4584 | k=image->offset; |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 4585 | status=MagickTrue; |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4586 | watermark_view=AcquireCacheView(watermark); |
| 4587 | stegano_view=AcquireCacheView(stegano_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4588 | for (i=(ssize_t) depth-1; (i >= 0) && (j < (ssize_t) depth); i--) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4589 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4590 | for (y=0; (y < (ssize_t) watermark->rows) && (j < (ssize_t) depth); y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4591 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4592 | for (x=0; (x < (ssize_t) watermark->columns) && (j < (ssize_t) depth); x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4593 | { |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4594 | (void) GetOneCacheViewVirtualPixel(watermark_view,x,y,&pixel,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4595 | if ((k/(ssize_t) stegano_image->columns) >= (ssize_t) stegano_image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4596 | break; |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4597 | q=GetCacheViewAuthenticPixels(stegano_view,k % (ssize_t) |
| 4598 | stegano_image->columns,k/(ssize_t) stegano_image->columns,1,1, |
| 4599 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4600 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4601 | break; |
| 4602 | switch (c) |
| 4603 | { |
| 4604 | case 0: |
| 4605 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4606 | SetPixelRed(image,SetBit(GetPixelRed(image,q),j,GetBit( |
| 4607 | GetPixelPacketIntensity(&pixel),i)),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4608 | break; |
| 4609 | } |
| 4610 | case 1: |
| 4611 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4612 | SetPixelGreen(image,SetBit(GetPixelGreen(image,q),j,GetBit( |
| 4613 | GetPixelPacketIntensity(&pixel),i)),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4614 | break; |
| 4615 | } |
| 4616 | case 2: |
| 4617 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4618 | SetPixelBlue(image,SetBit(GetPixelBlue(image,q),j,GetBit( |
| 4619 | GetPixelPacketIntensity(&pixel),i)),q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4620 | break; |
| 4621 | } |
| 4622 | } |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4623 | if (SyncCacheViewAuthenticPixels(stegano_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4624 | break; |
| 4625 | c++; |
| 4626 | if (c == 3) |
| 4627 | c=0; |
| 4628 | k++; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4629 | if (k == (ssize_t) (stegano_image->columns*stegano_image->columns)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4630 | k=0; |
| 4631 | if (k == image->offset) |
| 4632 | j++; |
| 4633 | } |
| 4634 | } |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 4635 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4636 | { |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 4637 | MagickBooleanType |
| 4638 | proceed; |
| 4639 | |
| 4640 | proceed=SetImageProgress(image,SteganoImageTag,(MagickOffsetType) |
| 4641 | (depth-i),depth); |
| 4642 | if (proceed == MagickFalse) |
| 4643 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4644 | } |
| 4645 | } |
cristy | b0d3bb9 | 2010-09-22 14:37:58 +0000 | [diff] [blame] | 4646 | stegano_view=DestroyCacheView(stegano_view); |
| 4647 | watermark_view=DestroyCacheView(watermark_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4648 | if (stegano_image->storage_class == PseudoClass) |
| 4649 | (void) SyncImage(stegano_image); |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 4650 | if (status == MagickFalse) |
| 4651 | { |
| 4652 | stegano_image=DestroyImage(stegano_image); |
| 4653 | return((Image *) NULL); |
| 4654 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4655 | return(stegano_image); |
| 4656 | } |
| 4657 | |
| 4658 | /* |
| 4659 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4660 | % % |
| 4661 | % % |
| 4662 | % % |
| 4663 | % S t e r e o A n a g l y p h I m a g e % |
| 4664 | % % |
| 4665 | % % |
| 4666 | % % |
| 4667 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4668 | % |
| 4669 | % StereoAnaglyphImage() combines two images and produces a single image that |
| 4670 | % is the composite of a left and right image of a stereo pair. Special |
| 4671 | % red-green stereo glasses are required to view this effect. |
| 4672 | % |
| 4673 | % The format of the StereoAnaglyphImage method is: |
| 4674 | % |
| 4675 | % Image *StereoImage(const Image *left_image,const Image *right_image, |
| 4676 | % ExceptionInfo *exception) |
| 4677 | % Image *StereoAnaglyphImage(const Image *left_image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4678 | % const Image *right_image,const ssize_t x_offset,const ssize_t y_offset, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4679 | % ExceptionInfo *exception) |
| 4680 | % |
| 4681 | % A description of each parameter follows: |
| 4682 | % |
| 4683 | % o left_image: the left image. |
| 4684 | % |
| 4685 | % o right_image: the right image. |
| 4686 | % |
| 4687 | % o exception: return any errors or warnings in this structure. |
| 4688 | % |
| 4689 | % o x_offset: amount, in pixels, by which the left image is offset to the |
| 4690 | % right of the right image. |
| 4691 | % |
| 4692 | % o y_offset: amount, in pixels, by which the left image is offset to the |
| 4693 | % bottom of the right image. |
| 4694 | % |
| 4695 | % |
| 4696 | */ |
| 4697 | MagickExport Image *StereoImage(const Image *left_image, |
| 4698 | const Image *right_image,ExceptionInfo *exception) |
| 4699 | { |
| 4700 | return(StereoAnaglyphImage(left_image,right_image,0,0,exception)); |
| 4701 | } |
| 4702 | |
| 4703 | MagickExport Image *StereoAnaglyphImage(const Image *left_image, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4704 | const Image *right_image,const ssize_t x_offset,const ssize_t y_offset, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4705 | ExceptionInfo *exception) |
| 4706 | { |
| 4707 | #define StereoImageTag "Stereo/Image" |
| 4708 | |
| 4709 | const Image |
| 4710 | *image; |
| 4711 | |
| 4712 | Image |
| 4713 | *stereo_image; |
| 4714 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4715 | MagickBooleanType |
| 4716 | status; |
| 4717 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 4718 | ssize_t |
| 4719 | y; |
| 4720 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4721 | assert(left_image != (const Image *) NULL); |
| 4722 | assert(left_image->signature == MagickSignature); |
| 4723 | if (left_image->debug != MagickFalse) |
| 4724 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 4725 | left_image->filename); |
| 4726 | assert(right_image != (const Image *) NULL); |
| 4727 | assert(right_image->signature == MagickSignature); |
| 4728 | assert(exception != (ExceptionInfo *) NULL); |
| 4729 | assert(exception->signature == MagickSignature); |
| 4730 | assert(right_image != (const Image *) NULL); |
| 4731 | image=left_image; |
| 4732 | if ((left_image->columns != right_image->columns) || |
| 4733 | (left_image->rows != right_image->rows)) |
| 4734 | ThrowImageException(ImageError,"LeftAndRightImageSizesDiffer"); |
| 4735 | /* |
| 4736 | Initialize stereo image attributes. |
| 4737 | */ |
| 4738 | stereo_image=CloneImage(left_image,left_image->columns,left_image->rows, |
| 4739 | MagickTrue,exception); |
| 4740 | if (stereo_image == (Image *) NULL) |
| 4741 | return((Image *) NULL); |
| 4742 | if (SetImageStorageClass(stereo_image,DirectClass) == MagickFalse) |
| 4743 | { |
| 4744 | InheritException(exception,&stereo_image->exception); |
| 4745 | stereo_image=DestroyImage(stereo_image); |
| 4746 | return((Image *) NULL); |
| 4747 | } |
| 4748 | /* |
| 4749 | Copy left image to red channel and right image to blue channel. |
| 4750 | */ |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 4751 | status=MagickTrue; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4752 | for (y=0; y < (ssize_t) stereo_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4753 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4754 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4755 | *restrict p, |
| 4756 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4757 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4758 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4759 | x; |
| 4760 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4761 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4762 | *restrict r; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4763 | |
| 4764 | p=GetVirtualPixels(left_image,-x_offset,y-y_offset,image->columns,1, |
| 4765 | exception); |
| 4766 | q=GetVirtualPixels(right_image,0,y,right_image->columns,1,exception); |
| 4767 | r=QueueAuthenticPixels(stereo_image,0,y,stereo_image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4768 | if ((p == (const Quantum *) NULL) || |
| 4769 | (q == (const Quantum *) NULL) || (r == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4770 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4771 | for (x=0; x < (ssize_t) stereo_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4772 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4773 | SetPixelRed(image,GetPixelRed(left_image,p),r); |
| 4774 | SetPixelGreen(image,GetPixelGreen(left_image,q),r); |
| 4775 | SetPixelBlue(image,GetPixelBlue(left_image,q),r); |
| 4776 | SetPixelAlpha(image,(GetPixelAlpha(left_image,p)+ |
| 4777 | GetPixelAlpha(left_image,q))/2,r); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4778 | p+=GetPixelChannels(left_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4779 | q++; |
| 4780 | r++; |
| 4781 | } |
| 4782 | if (SyncAuthenticPixels(stereo_image,exception) == MagickFalse) |
| 4783 | break; |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 4784 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4785 | { |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 4786 | MagickBooleanType |
| 4787 | proceed; |
| 4788 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4789 | proceed=SetImageProgress(image,StereoImageTag,(MagickOffsetType) y, |
| 4790 | stereo_image->rows); |
cristy | 8b27a6d | 2010-02-14 03:31:15 +0000 | [diff] [blame] | 4791 | if (proceed == MagickFalse) |
| 4792 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4793 | } |
| 4794 | } |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 4795 | if (status == MagickFalse) |
| 4796 | { |
| 4797 | stereo_image=DestroyImage(stereo_image); |
| 4798 | return((Image *) NULL); |
| 4799 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4800 | return(stereo_image); |
| 4801 | } |
| 4802 | |
| 4803 | /* |
| 4804 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4805 | % % |
| 4806 | % % |
| 4807 | % % |
| 4808 | % S w i r l I m a g e % |
| 4809 | % % |
| 4810 | % % |
| 4811 | % % |
| 4812 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4813 | % |
| 4814 | % SwirlImage() swirls the pixels about the center of the image, where |
| 4815 | % degrees indicates the sweep of the arc through which each pixel is moved. |
| 4816 | % You get a more dramatic effect as the degrees move from 1 to 360. |
| 4817 | % |
| 4818 | % The format of the SwirlImage method is: |
| 4819 | % |
| 4820 | % Image *SwirlImage(const Image *image,double degrees, |
| 4821 | % ExceptionInfo *exception) |
| 4822 | % |
| 4823 | % A description of each parameter follows: |
| 4824 | % |
| 4825 | % o image: the image. |
| 4826 | % |
| 4827 | % o degrees: Define the tightness of the swirling effect. |
| 4828 | % |
| 4829 | % o exception: return any errors or warnings in this structure. |
| 4830 | % |
| 4831 | */ |
| 4832 | MagickExport Image *SwirlImage(const Image *image,double degrees, |
| 4833 | ExceptionInfo *exception) |
| 4834 | { |
| 4835 | #define SwirlImageTag "Swirl/Image" |
| 4836 | |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 4837 | CacheView |
| 4838 | *image_view, |
| 4839 | *swirl_view; |
| 4840 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4841 | Image |
| 4842 | *swirl_image; |
| 4843 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4844 | MagickBooleanType |
| 4845 | status; |
| 4846 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4847 | MagickOffsetType |
| 4848 | progress; |
| 4849 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4850 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4851 | zero; |
| 4852 | |
| 4853 | MagickRealType |
| 4854 | radius; |
| 4855 | |
| 4856 | PointInfo |
| 4857 | center, |
| 4858 | scale; |
| 4859 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4860 | ssize_t |
| 4861 | y; |
| 4862 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4863 | /* |
| 4864 | Initialize swirl image attributes. |
| 4865 | */ |
| 4866 | assert(image != (const Image *) NULL); |
| 4867 | assert(image->signature == MagickSignature); |
| 4868 | if (image->debug != MagickFalse) |
| 4869 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 4870 | assert(exception != (ExceptionInfo *) NULL); |
| 4871 | assert(exception->signature == MagickSignature); |
| 4872 | swirl_image=CloneImage(image,0,0,MagickTrue,exception); |
| 4873 | if (swirl_image == (Image *) NULL) |
| 4874 | return((Image *) NULL); |
| 4875 | if (SetImageStorageClass(swirl_image,DirectClass) == MagickFalse) |
| 4876 | { |
| 4877 | InheritException(exception,&swirl_image->exception); |
| 4878 | swirl_image=DestroyImage(swirl_image); |
| 4879 | return((Image *) NULL); |
| 4880 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4881 | if (swirl_image->background_color.alpha != OpaqueAlpha) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4882 | swirl_image->matte=MagickTrue; |
| 4883 | /* |
| 4884 | Compute scaling factor. |
| 4885 | */ |
| 4886 | center.x=(double) image->columns/2.0; |
| 4887 | center.y=(double) image->rows/2.0; |
| 4888 | radius=MagickMax(center.x,center.y); |
| 4889 | scale.x=1.0; |
| 4890 | scale.y=1.0; |
| 4891 | if (image->columns > image->rows) |
| 4892 | scale.y=(double) image->columns/(double) image->rows; |
| 4893 | else |
| 4894 | if (image->columns < image->rows) |
| 4895 | scale.x=(double) image->rows/(double) image->columns; |
| 4896 | degrees=(double) DegreesToRadians(degrees); |
| 4897 | /* |
| 4898 | Swirl image. |
| 4899 | */ |
| 4900 | status=MagickTrue; |
| 4901 | progress=0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4902 | GetPixelInfo(swirl_image,&zero); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4903 | image_view=AcquireCacheView(image); |
| 4904 | swirl_view=AcquireCacheView(swirl_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4905 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 4906 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4907 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4908 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4909 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4910 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4911 | pixel; |
| 4912 | |
| 4913 | MagickRealType |
| 4914 | distance; |
| 4915 | |
| 4916 | PointInfo |
| 4917 | delta; |
| 4918 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4919 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4920 | x; |
| 4921 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4922 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 4923 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4924 | |
| 4925 | if (status == MagickFalse) |
| 4926 | continue; |
| 4927 | q=GetCacheViewAuthenticPixels(swirl_view,0,y,swirl_image->columns,1, |
| 4928 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4929 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4930 | { |
| 4931 | status=MagickFalse; |
| 4932 | continue; |
| 4933 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4934 | delta.y=scale.y*(double) (y-center.y); |
| 4935 | pixel=zero; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 4936 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4937 | { |
| 4938 | /* |
| 4939 | Determine if the pixel is within an ellipse. |
| 4940 | */ |
| 4941 | delta.x=scale.x*(double) (x-center.x); |
| 4942 | distance=delta.x*delta.x+delta.y*delta.y; |
| 4943 | if (distance < (radius*radius)) |
| 4944 | { |
| 4945 | MagickRealType |
| 4946 | cosine, |
| 4947 | factor, |
| 4948 | sine; |
| 4949 | |
| 4950 | /* |
| 4951 | Swirl the pixel. |
| 4952 | */ |
| 4953 | factor=1.0-sqrt((double) distance)/radius; |
| 4954 | sine=sin((double) (degrees*factor*factor)); |
| 4955 | cosine=cos((double) (degrees*factor*factor)); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4956 | (void) InterpolatePixelInfo(image,image_view, |
cristy | 8a7c3e8 | 2011-03-26 02:10:53 +0000 | [diff] [blame] | 4957 | UndefinedInterpolatePixel,(double) ((cosine*delta.x-sine*delta.y)/ |
| 4958 | scale.x+center.x),(double) ((sine*delta.x+cosine*delta.y)/scale.y+ |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 4959 | center.y),&pixel,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 4960 | SetPixelPixelInfo(swirl_image,&pixel,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4961 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 4962 | q+=GetPixelChannels(swirl_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4963 | } |
| 4964 | if (SyncCacheViewAuthenticPixels(swirl_view,exception) == MagickFalse) |
| 4965 | status=MagickFalse; |
| 4966 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 4967 | { |
| 4968 | MagickBooleanType |
| 4969 | proceed; |
| 4970 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 4971 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4972 | #pragma omp critical (MagickCore_SwirlImage) |
| 4973 | #endif |
| 4974 | proceed=SetImageProgress(image,SwirlImageTag,progress++,image->rows); |
| 4975 | if (proceed == MagickFalse) |
| 4976 | status=MagickFalse; |
| 4977 | } |
| 4978 | } |
| 4979 | swirl_view=DestroyCacheView(swirl_view); |
| 4980 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 4981 | if (status == MagickFalse) |
| 4982 | swirl_image=DestroyImage(swirl_image); |
| 4983 | return(swirl_image); |
| 4984 | } |
| 4985 | |
| 4986 | /* |
| 4987 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4988 | % % |
| 4989 | % % |
| 4990 | % % |
| 4991 | % T i n t I m a g e % |
| 4992 | % % |
| 4993 | % % |
| 4994 | % % |
| 4995 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 4996 | % |
| 4997 | % TintImage() applies a color vector to each pixel in the image. The length |
| 4998 | % of the vector is 0 for black and white and at its maximum for the midtones. |
| 4999 | % The vector weighting function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))) |
| 5000 | % |
| 5001 | % The format of the TintImage method is: |
| 5002 | % |
| 5003 | % Image *TintImage(const Image *image,const char *opacity, |
| 5004 | % const PixelPacket tint,ExceptionInfo *exception) |
| 5005 | % |
| 5006 | % A description of each parameter follows: |
| 5007 | % |
| 5008 | % o image: the image. |
| 5009 | % |
| 5010 | % o opacity: A color value used for tinting. |
| 5011 | % |
| 5012 | % o tint: A color value used for tinting. |
| 5013 | % |
| 5014 | % o exception: return any errors or warnings in this structure. |
| 5015 | % |
| 5016 | */ |
| 5017 | MagickExport Image *TintImage(const Image *image,const char *opacity, |
| 5018 | const PixelPacket tint,ExceptionInfo *exception) |
| 5019 | { |
| 5020 | #define TintImageTag "Tint/Image" |
| 5021 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 5022 | CacheView |
| 5023 | *image_view, |
| 5024 | *tint_view; |
| 5025 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5026 | GeometryInfo |
| 5027 | geometry_info; |
| 5028 | |
| 5029 | Image |
| 5030 | *tint_image; |
| 5031 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5032 | MagickBooleanType |
| 5033 | status; |
| 5034 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5035 | MagickOffsetType |
| 5036 | progress; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5037 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5038 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5039 | color_vector, |
| 5040 | pixel; |
| 5041 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5042 | MagickStatusType |
| 5043 | flags; |
| 5044 | |
| 5045 | ssize_t |
| 5046 | y; |
| 5047 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5048 | /* |
| 5049 | Allocate tint image. |
| 5050 | */ |
| 5051 | assert(image != (const Image *) NULL); |
| 5052 | assert(image->signature == MagickSignature); |
| 5053 | if (image->debug != MagickFalse) |
| 5054 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5055 | assert(exception != (ExceptionInfo *) NULL); |
| 5056 | assert(exception->signature == MagickSignature); |
| 5057 | tint_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 5058 | if (tint_image == (Image *) NULL) |
| 5059 | return((Image *) NULL); |
| 5060 | if (SetImageStorageClass(tint_image,DirectClass) == MagickFalse) |
| 5061 | { |
| 5062 | InheritException(exception,&tint_image->exception); |
| 5063 | tint_image=DestroyImage(tint_image); |
| 5064 | return((Image *) NULL); |
| 5065 | } |
| 5066 | if (opacity == (const char *) NULL) |
| 5067 | return(tint_image); |
| 5068 | /* |
| 5069 | Determine RGB values of the color. |
| 5070 | */ |
| 5071 | flags=ParseGeometry(opacity,&geometry_info); |
| 5072 | pixel.red=geometry_info.rho; |
| 5073 | if ((flags & SigmaValue) != 0) |
| 5074 | pixel.green=geometry_info.sigma; |
| 5075 | else |
| 5076 | pixel.green=pixel.red; |
| 5077 | if ((flags & XiValue) != 0) |
| 5078 | pixel.blue=geometry_info.xi; |
| 5079 | else |
| 5080 | pixel.blue=pixel.red; |
| 5081 | if ((flags & PsiValue) != 0) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5082 | pixel.alpha=geometry_info.psi; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5083 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5084 | pixel.alpha=(MagickRealType) OpaqueAlpha; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5085 | color_vector.red=(MagickRealType) (pixel.red*tint.red/100.0- |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5086 | GetPixelPacketIntensity(&tint)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5087 | color_vector.green=(MagickRealType) (pixel.green*tint.green/100.0- |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5088 | GetPixelPacketIntensity(&tint)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5089 | color_vector.blue=(MagickRealType) (pixel.blue*tint.blue/100.0- |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5090 | GetPixelPacketIntensity(&tint)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5091 | /* |
| 5092 | Tint image. |
| 5093 | */ |
| 5094 | status=MagickTrue; |
| 5095 | progress=0; |
| 5096 | image_view=AcquireCacheView(image); |
| 5097 | tint_view=AcquireCacheView(tint_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 5098 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 5099 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5100 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5101 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5102 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5103 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 5104 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5105 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5106 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 5107 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5108 | |
cristy | 6b91acb | 2011-04-19 12:23:54 +0000 | [diff] [blame] | 5109 | register ssize_t |
| 5110 | x; |
| 5111 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5112 | if (status == MagickFalse) |
| 5113 | continue; |
| 5114 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 5115 | q=QueueCacheViewAuthenticPixels(tint_view,0,y,tint_image->columns,1, |
| 5116 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5117 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5118 | { |
| 5119 | status=MagickFalse; |
| 5120 | continue; |
| 5121 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5122 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5123 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5124 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5125 | pixel; |
| 5126 | |
| 5127 | MagickRealType |
| 5128 | weight; |
| 5129 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5130 | weight=QuantumScale*GetPixelRed(image,p)-0.5; |
| 5131 | pixel.red=(MagickRealType) GetPixelRed(image,p)+color_vector.red* |
| 5132 | (1.0-(4.0*(weight*weight))); |
| 5133 | SetPixelRed(tint_image,ClampToQuantum(pixel.red),q); |
| 5134 | weight=QuantumScale*GetPixelGreen(image,p)-0.5; |
| 5135 | pixel.green=(MagickRealType) GetPixelGreen(image,p)+color_vector.green* |
| 5136 | (1.0-(4.0*(weight*weight))); |
| 5137 | SetPixelGreen(tint_image,ClampToQuantum(pixel.green),q); |
| 5138 | weight=QuantumScale*GetPixelBlue(image,p)-0.5; |
| 5139 | pixel.blue=(MagickRealType) GetPixelBlue(image,p)+color_vector.blue* |
| 5140 | (1.0-(4.0*(weight*weight))); |
| 5141 | SetPixelBlue(tint_image,ClampToQuantum(pixel.blue),q); |
| 5142 | SetPixelAlpha(tint_image,GetPixelAlpha(image,p),q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 5143 | p+=GetPixelChannels(image); |
| 5144 | q+=GetPixelChannels(tint_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5145 | } |
| 5146 | if (SyncCacheViewAuthenticPixels(tint_view,exception) == MagickFalse) |
| 5147 | status=MagickFalse; |
| 5148 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5149 | { |
| 5150 | MagickBooleanType |
| 5151 | proceed; |
| 5152 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 5153 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5154 | #pragma omp critical (MagickCore_TintImage) |
| 5155 | #endif |
| 5156 | proceed=SetImageProgress(image,TintImageTag,progress++,image->rows); |
| 5157 | if (proceed == MagickFalse) |
| 5158 | status=MagickFalse; |
| 5159 | } |
| 5160 | } |
| 5161 | tint_view=DestroyCacheView(tint_view); |
| 5162 | image_view=DestroyCacheView(image_view); |
| 5163 | if (status == MagickFalse) |
| 5164 | tint_image=DestroyImage(tint_image); |
| 5165 | return(tint_image); |
| 5166 | } |
| 5167 | |
| 5168 | /* |
| 5169 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5170 | % % |
| 5171 | % % |
| 5172 | % % |
| 5173 | % V i g n e t t e I m a g e % |
| 5174 | % % |
| 5175 | % % |
| 5176 | % % |
| 5177 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5178 | % |
| 5179 | % VignetteImage() softens the edges of the image in vignette style. |
| 5180 | % |
| 5181 | % The format of the VignetteImage method is: |
| 5182 | % |
| 5183 | % Image *VignetteImage(const Image *image,const double radius, |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 5184 | % const double sigma,const ssize_t x,const ssize_t y,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5185 | % |
| 5186 | % A description of each parameter follows: |
| 5187 | % |
| 5188 | % o image: the image. |
| 5189 | % |
| 5190 | % o radius: the radius of the pixel neighborhood. |
| 5191 | % |
| 5192 | % o sigma: the standard deviation of the Gaussian, in pixels. |
| 5193 | % |
| 5194 | % o x, y: Define the x and y ellipse offset. |
| 5195 | % |
| 5196 | % o exception: return any errors or warnings in this structure. |
| 5197 | % |
| 5198 | */ |
| 5199 | MagickExport Image *VignetteImage(const Image *image,const double radius, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5200 | const double sigma,const ssize_t x,const ssize_t y,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5201 | { |
| 5202 | char |
| 5203 | ellipse[MaxTextExtent]; |
| 5204 | |
| 5205 | DrawInfo |
| 5206 | *draw_info; |
| 5207 | |
| 5208 | Image |
| 5209 | *canvas_image, |
| 5210 | *blur_image, |
| 5211 | *oval_image, |
| 5212 | *vignette_image; |
| 5213 | |
| 5214 | assert(image != (Image *) NULL); |
| 5215 | assert(image->signature == MagickSignature); |
| 5216 | if (image->debug != MagickFalse) |
| 5217 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5218 | assert(exception != (ExceptionInfo *) NULL); |
| 5219 | assert(exception->signature == MagickSignature); |
| 5220 | canvas_image=CloneImage(image,0,0,MagickTrue,exception); |
| 5221 | if (canvas_image == (Image *) NULL) |
| 5222 | return((Image *) NULL); |
| 5223 | if (SetImageStorageClass(canvas_image,DirectClass) == MagickFalse) |
| 5224 | { |
| 5225 | InheritException(exception,&canvas_image->exception); |
| 5226 | canvas_image=DestroyImage(canvas_image); |
| 5227 | return((Image *) NULL); |
| 5228 | } |
| 5229 | canvas_image->matte=MagickTrue; |
cristy | b3a73b5 | 2011-07-26 01:34:43 +0000 | [diff] [blame^] | 5230 | oval_image=CloneImage(canvas_image,canvas_image->columns, |
| 5231 | canvas_image->rows,MagickTrue,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5232 | if (oval_image == (Image *) NULL) |
| 5233 | { |
| 5234 | canvas_image=DestroyImage(canvas_image); |
| 5235 | return((Image *) NULL); |
| 5236 | } |
| 5237 | (void) QueryColorDatabase("#000000",&oval_image->background_color,exception); |
| 5238 | (void) SetImageBackgroundColor(oval_image); |
| 5239 | draw_info=CloneDrawInfo((const ImageInfo *) NULL,(const DrawInfo *) NULL); |
| 5240 | (void) QueryColorDatabase("#ffffff",&draw_info->fill,exception); |
| 5241 | (void) QueryColorDatabase("#ffffff",&draw_info->stroke,exception); |
cristy | b51dff5 | 2011-05-19 16:55:47 +0000 | [diff] [blame] | 5242 | (void) FormatLocaleString(ellipse,MaxTextExtent, |
cristy | e7f5109 | 2010-01-17 00:39:37 +0000 | [diff] [blame] | 5243 | "ellipse %g,%g,%g,%g,0.0,360.0",image->columns/2.0, |
cristy | 8cd5b31 | 2010-01-07 01:10:24 +0000 | [diff] [blame] | 5244 | image->rows/2.0,image->columns/2.0-x,image->rows/2.0-y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5245 | draw_info->primitive=AcquireString(ellipse); |
| 5246 | (void) DrawImage(oval_image,draw_info); |
| 5247 | draw_info=DestroyDrawInfo(draw_info); |
| 5248 | blur_image=BlurImage(oval_image,radius,sigma,exception); |
| 5249 | oval_image=DestroyImage(oval_image); |
| 5250 | if (blur_image == (Image *) NULL) |
| 5251 | { |
| 5252 | canvas_image=DestroyImage(canvas_image); |
| 5253 | return((Image *) NULL); |
| 5254 | } |
| 5255 | blur_image->matte=MagickFalse; |
| 5256 | (void) CompositeImage(canvas_image,CopyOpacityCompositeOp,blur_image,0,0); |
| 5257 | blur_image=DestroyImage(blur_image); |
| 5258 | vignette_image=MergeImageLayers(canvas_image,FlattenLayer,exception); |
| 5259 | canvas_image=DestroyImage(canvas_image); |
| 5260 | return(vignette_image); |
| 5261 | } |
| 5262 | |
| 5263 | /* |
| 5264 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5265 | % % |
| 5266 | % % |
| 5267 | % % |
| 5268 | % W a v e I m a g e % |
| 5269 | % % |
| 5270 | % % |
| 5271 | % % |
| 5272 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 5273 | % |
| 5274 | % WaveImage() creates a "ripple" effect in the image by shifting the pixels |
cristy | cee9711 | 2010-05-28 00:44:52 +0000 | [diff] [blame] | 5275 | % vertically along a sine wave whose amplitude and wavelength is specified |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5276 | % by the given parameters. |
| 5277 | % |
| 5278 | % The format of the WaveImage method is: |
| 5279 | % |
| 5280 | % Image *WaveImage(const Image *image,const double amplitude, |
| 5281 | % const double wave_length,ExceptionInfo *exception) |
| 5282 | % |
| 5283 | % A description of each parameter follows: |
| 5284 | % |
| 5285 | % o image: the image. |
| 5286 | % |
| 5287 | % o amplitude, wave_length: Define the amplitude and wave length of the |
| 5288 | % sine wave. |
| 5289 | % |
| 5290 | % o exception: return any errors or warnings in this structure. |
| 5291 | % |
| 5292 | */ |
| 5293 | MagickExport Image *WaveImage(const Image *image,const double amplitude, |
| 5294 | const double wave_length,ExceptionInfo *exception) |
| 5295 | { |
| 5296 | #define WaveImageTag "Wave/Image" |
| 5297 | |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 5298 | CacheView |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 5299 | *image_view, |
cristy | fa11211 | 2010-01-04 17:48:07 +0000 | [diff] [blame] | 5300 | *wave_view; |
| 5301 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5302 | Image |
| 5303 | *wave_image; |
| 5304 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5305 | MagickBooleanType |
| 5306 | status; |
| 5307 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5308 | MagickOffsetType |
| 5309 | progress; |
| 5310 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5311 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5312 | zero; |
| 5313 | |
| 5314 | MagickRealType |
| 5315 | *sine_map; |
| 5316 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5317 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5318 | i; |
| 5319 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5320 | ssize_t |
| 5321 | y; |
| 5322 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5323 | /* |
| 5324 | Initialize wave image attributes. |
| 5325 | */ |
| 5326 | assert(image != (Image *) NULL); |
| 5327 | assert(image->signature == MagickSignature); |
| 5328 | if (image->debug != MagickFalse) |
| 5329 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 5330 | assert(exception != (ExceptionInfo *) NULL); |
| 5331 | assert(exception->signature == MagickSignature); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5332 | wave_image=CloneImage(image,image->columns,(size_t) (image->rows+2.0* |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5333 | fabs(amplitude)),MagickTrue,exception); |
| 5334 | if (wave_image == (Image *) NULL) |
| 5335 | return((Image *) NULL); |
| 5336 | if (SetImageStorageClass(wave_image,DirectClass) == MagickFalse) |
| 5337 | { |
| 5338 | InheritException(exception,&wave_image->exception); |
| 5339 | wave_image=DestroyImage(wave_image); |
| 5340 | return((Image *) NULL); |
| 5341 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5342 | if (wave_image->background_color.alpha != OpaqueAlpha) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5343 | wave_image->matte=MagickTrue; |
| 5344 | /* |
| 5345 | Allocate sine map. |
| 5346 | */ |
| 5347 | sine_map=(MagickRealType *) AcquireQuantumMemory((size_t) wave_image->columns, |
| 5348 | sizeof(*sine_map)); |
| 5349 | if (sine_map == (MagickRealType *) NULL) |
| 5350 | { |
| 5351 | wave_image=DestroyImage(wave_image); |
| 5352 | ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); |
| 5353 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5354 | for (i=0; i < (ssize_t) wave_image->columns; i++) |
cristy | 4205a3c | 2010-09-12 20:19:59 +0000 | [diff] [blame] | 5355 | sine_map[i]=fabs(amplitude)+amplitude*sin((double) ((2.0*MagickPI*i)/ |
| 5356 | wave_length)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5357 | /* |
| 5358 | Wave image. |
| 5359 | */ |
| 5360 | status=MagickTrue; |
| 5361 | progress=0; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5362 | GetPixelInfo(wave_image,&zero); |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 5363 | image_view=AcquireCacheView(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5364 | wave_view=AcquireCacheView(wave_image); |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 5365 | (void) SetCacheViewVirtualPixelMethod(image_view, |
| 5366 | BackgroundVirtualPixelMethod); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 5367 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 5368 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5369 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5370 | for (y=0; y < (ssize_t) wave_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5371 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5372 | PixelInfo |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5373 | pixel; |
| 5374 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5375 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 5376 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5377 | |
cristy | e97bb92 | 2011-04-03 01:36:52 +0000 | [diff] [blame] | 5378 | register ssize_t |
| 5379 | x; |
| 5380 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5381 | if (status == MagickFalse) |
| 5382 | continue; |
| 5383 | q=QueueCacheViewAuthenticPixels(wave_view,0,y,wave_image->columns,1, |
| 5384 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5385 | if (q == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5386 | { |
| 5387 | status=MagickFalse; |
| 5388 | continue; |
| 5389 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5390 | pixel=zero; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 5391 | for (x=0; x < (ssize_t) wave_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5392 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5393 | (void) InterpolatePixelInfo(image,image_view, |
cristy | 8a7c3e8 | 2011-03-26 02:10:53 +0000 | [diff] [blame] | 5394 | UndefinedInterpolatePixel,(double) x,(double) (y-sine_map[x]),&pixel, |
| 5395 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 5396 | SetPixelPixelInfo(wave_image,&pixel,q); |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 5397 | q+=GetPixelChannels(wave_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5398 | } |
| 5399 | if (SyncCacheViewAuthenticPixels(wave_view,exception) == MagickFalse) |
| 5400 | status=MagickFalse; |
| 5401 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 5402 | { |
| 5403 | MagickBooleanType |
| 5404 | proceed; |
| 5405 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 5406 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5407 | #pragma omp critical (MagickCore_WaveImage) |
| 5408 | #endif |
| 5409 | proceed=SetImageProgress(image,WaveImageTag,progress++,image->rows); |
| 5410 | if (proceed == MagickFalse) |
| 5411 | status=MagickFalse; |
| 5412 | } |
| 5413 | } |
| 5414 | wave_view=DestroyCacheView(wave_view); |
cristy | d76c51e | 2011-03-26 00:21:26 +0000 | [diff] [blame] | 5415 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 5416 | sine_map=(MagickRealType *) RelinquishMagickMemory(sine_map); |
| 5417 | if (status == MagickFalse) |
| 5418 | wave_image=DestroyImage(wave_image); |
| 5419 | return(wave_image); |
| 5420 | } |