cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % PPPP SSSSS DDDD % |
| 7 | % P P SS D D % |
| 8 | % PPPP SSS D D % |
| 9 | % P SS D D % |
| 10 | % P SSSSS DDDD % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write Adobe Photoshop Image Format % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % Leonard Rosenthol % |
| 18 | % July 1992 % |
| 19 | % % |
| 20 | % % |
cristy | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 21 | % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 22 | % dedicated to making software imaging solutions freely available. % |
| 23 | % % |
| 24 | % You may not use this file except in compliance with the License. You may % |
| 25 | % obtain a copy of the License at % |
| 26 | % % |
| 27 | % http://www.imagemagick.org/script/license.php % |
| 28 | % % |
| 29 | % Unless required by applicable law or agreed to in writing, software % |
| 30 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 31 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 32 | % See the License for the specific language governing permissions and % |
| 33 | % limitations under the License. % |
| 34 | % % |
| 35 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 36 | % |
| 37 | % |
| 38 | */ |
| 39 | |
| 40 | /* |
| 41 | Include declarations. |
| 42 | */ |
| 43 | #include "magick/studio.h" |
| 44 | #include "magick/artifact.h" |
| 45 | #include "magick/blob.h" |
| 46 | #include "magick/blob-private.h" |
| 47 | #include "magick/cache.h" |
| 48 | #include "magick/colorspace.h" |
| 49 | #include "magick/constitute.h" |
| 50 | #include "magick/enhance.h" |
| 51 | #include "magick/exception.h" |
| 52 | #include "magick/exception-private.h" |
| 53 | #include "magick/image.h" |
| 54 | #include "magick/image-private.h" |
| 55 | #include "magick/list.h" |
| 56 | #include "magick/log.h" |
| 57 | #include "magick/magick.h" |
| 58 | #include "magick/memory_.h" |
| 59 | #include "magick/module.h" |
| 60 | #include "magick/profile.h" |
| 61 | #include "magick/property.h" |
| 62 | #include "magick/quantum-private.h" |
| 63 | #include "magick/static.h" |
| 64 | #include "magick/string_.h" |
| 65 | |
| 66 | /* |
| 67 | Forward declarations. |
| 68 | */ |
| 69 | static MagickBooleanType |
| 70 | WritePSDImage(const ImageInfo *,Image *); |
| 71 | |
| 72 | /* |
| 73 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 74 | % % |
| 75 | % % |
| 76 | % % |
| 77 | % D e c o d e I m a g e % |
| 78 | % % |
| 79 | % % |
| 80 | % % |
| 81 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 82 | % |
| 83 | % DecodeImage uncompresses an image via Macintosh encoding specific to |
| 84 | % the Adobe Photoshop image format. |
| 85 | % |
| 86 | % The format of the DecodeImage method is: |
| 87 | % |
| 88 | % MagickBooleanType DecodeImage(Image *image,const long channel) |
| 89 | % |
| 90 | % A description of each parameter follows: |
| 91 | % |
| 92 | % o image,image: the address of a structure of type Image. |
| 93 | % |
| 94 | % o channel: Specifies which channel: red, green, blue, or index to |
| 95 | % decode the pixel values into. |
| 96 | % |
| 97 | */ |
| 98 | static MagickBooleanType DecodeImage(Image *image,const long channel) |
| 99 | { |
| 100 | ExceptionInfo |
| 101 | *exception; |
| 102 | |
| 103 | MagickOffsetType |
| 104 | number_pixels; |
| 105 | |
| 106 | Quantum |
| 107 | pixel; |
| 108 | |
| 109 | register IndexPacket |
| 110 | *indexes; |
| 111 | |
| 112 | register long |
| 113 | i, |
| 114 | x; |
| 115 | |
| 116 | register PixelPacket |
| 117 | *q; |
| 118 | |
| 119 | ssize_t |
| 120 | count; |
| 121 | |
| 122 | exception=(&image->exception); |
| 123 | number_pixels=(MagickOffsetType) image->columns*image->rows; |
| 124 | for (x=0; number_pixels > 0; ) |
| 125 | { |
| 126 | count=(ssize_t) ReadBlobByte(image); |
| 127 | if (count >= 128) |
| 128 | count-=256; |
| 129 | if (count < 0) |
| 130 | { |
| 131 | if (count == -128) |
| 132 | continue; |
| 133 | pixel=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); |
cristy | 63ed4ad | 2010-01-16 01:49:17 +0000 | [diff] [blame] | 134 | q=GetAuthenticPixels(image,(long) (x % image->columns), |
| 135 | (long) (x/image->columns),-count+1,1,exception); |
| 136 | if (q == (PixelPacket *) NULL) |
| 137 | break; |
| 138 | indexes=GetAuthenticIndexQueue(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 139 | for (count=(-count+1); count > 0; count--) |
| 140 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 141 | switch (channel) |
| 142 | { |
| 143 | case -1: |
| 144 | { |
| 145 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 146 | break; |
| 147 | } |
| 148 | case 0: |
| 149 | { |
| 150 | q->red=pixel; |
| 151 | if (image->storage_class == PseudoClass) |
| 152 | { |
| 153 | *indexes=(IndexPacket) ScaleQuantumToChar(pixel); |
| 154 | q->red=image->colormap[(long) *indexes].red; |
| 155 | q->green=image->colormap[(long) *indexes].green; |
| 156 | q->blue=image->colormap[(long) *indexes].blue; |
| 157 | } |
| 158 | break; |
| 159 | } |
| 160 | case 1: |
| 161 | { |
| 162 | if (image->storage_class == PseudoClass) |
| 163 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 164 | else |
| 165 | q->green=pixel; |
| 166 | break; |
| 167 | } |
| 168 | case 2: |
| 169 | { |
| 170 | q->blue=pixel; |
| 171 | break; |
| 172 | } |
| 173 | case 3: |
| 174 | { |
| 175 | if (image->colorspace == CMYKColorspace) |
| 176 | *indexes=(IndexPacket) pixel; |
| 177 | else |
| 178 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 179 | break; |
| 180 | } |
| 181 | case 4: |
| 182 | { |
| 183 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 184 | break; |
| 185 | } |
| 186 | default: |
| 187 | break; |
| 188 | } |
| 189 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 190 | break; |
cristy | 63ed4ad | 2010-01-16 01:49:17 +0000 | [diff] [blame] | 191 | q++; |
| 192 | indexes++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 193 | x++; |
| 194 | number_pixels--; |
| 195 | } |
| 196 | continue; |
| 197 | } |
| 198 | count++; |
cristy | 63ed4ad | 2010-01-16 01:49:17 +0000 | [diff] [blame] | 199 | q=GetAuthenticPixels(image,(long) (x % image->columns), |
| 200 | (long) (x/image->columns),count,1,exception); |
| 201 | if (q == (PixelPacket *) NULL) |
| 202 | break; |
| 203 | indexes=GetAuthenticIndexQueue(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 204 | for (i=(long) count; i > 0; i--) |
| 205 | { |
| 206 | pixel=ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 207 | switch (channel) |
| 208 | { |
| 209 | case -1: |
| 210 | { |
| 211 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 212 | break; |
| 213 | } |
| 214 | case 0: |
| 215 | { |
| 216 | q->red=pixel; |
| 217 | if (image->storage_class == PseudoClass) |
| 218 | { |
| 219 | *indexes=(IndexPacket) ScaleQuantumToChar(pixel); |
| 220 | q->red=image->colormap[(long) *indexes].red; |
| 221 | q->green=image->colormap[(long) *indexes].green; |
| 222 | q->blue=image->colormap[(long) *indexes].blue; |
| 223 | } |
| 224 | break; |
| 225 | } |
| 226 | case 1: |
| 227 | { |
| 228 | if (image->storage_class == PseudoClass) |
| 229 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 230 | else |
| 231 | q->green=pixel; |
| 232 | break; |
| 233 | } |
| 234 | case 2: |
| 235 | { |
| 236 | q->blue=pixel; |
| 237 | break; |
| 238 | } |
| 239 | case 3: |
| 240 | { |
| 241 | if (image->colorspace == CMYKColorspace) |
| 242 | *indexes=(IndexPacket) pixel; |
| 243 | else |
| 244 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 245 | break; |
| 246 | } |
| 247 | case 4: |
| 248 | { |
| 249 | q->opacity=(Quantum) pixel; |
| 250 | break; |
| 251 | } |
| 252 | default: |
| 253 | break; |
| 254 | } |
| 255 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 256 | break; |
cristy | 63ed4ad | 2010-01-16 01:49:17 +0000 | [diff] [blame] | 257 | q++; |
| 258 | indexes++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 259 | x++; |
| 260 | number_pixels--; |
| 261 | } |
| 262 | } |
| 263 | /* |
| 264 | Guarentee the correct number of pixel packets. |
| 265 | */ |
| 266 | if (number_pixels > 0) |
| 267 | ThrowBinaryException(CorruptImageError,"InsufficientImageDataInFile", |
| 268 | image->filename) |
| 269 | else |
| 270 | if (number_pixels < 0) |
| 271 | ThrowBinaryException(CorruptImageError,"TooMuchImageDataInFile", |
| 272 | image->filename); |
| 273 | return(MagickTrue); |
| 274 | } |
| 275 | |
| 276 | /* |
| 277 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 278 | % % |
| 279 | % % |
| 280 | % % |
| 281 | % I s P S D % |
| 282 | % % |
| 283 | % % |
| 284 | % % |
| 285 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 286 | % |
| 287 | % IsPSD()() returns MagickTrue if the image format type, identified by the |
| 288 | % magick string, is PSD. |
| 289 | % |
| 290 | % The format of the IsPSD method is: |
| 291 | % |
| 292 | % MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) |
| 293 | % |
| 294 | % A description of each parameter follows: |
| 295 | % |
| 296 | % o magick: compare image format pattern against these bytes. |
| 297 | % |
| 298 | % o length: Specifies the length of the magick string. |
| 299 | % |
| 300 | */ |
| 301 | static MagickBooleanType IsPSD(const unsigned char *magick,const size_t length) |
| 302 | { |
| 303 | if (length < 4) |
| 304 | return(MagickFalse); |
| 305 | if (LocaleNCompare((const char *) magick,"8BPS",4) == 0) |
| 306 | return(MagickTrue); |
| 307 | return(MagickFalse); |
| 308 | } |
| 309 | |
| 310 | /* |
| 311 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 312 | % % |
| 313 | % % |
| 314 | % % |
| 315 | % R e a d P S D I m a g e % |
| 316 | % % |
| 317 | % % |
| 318 | % % |
| 319 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 320 | % |
| 321 | % ReadPSDImage() reads an Adobe Photoshop image file and returns it. It |
| 322 | % allocates the memory necessary for the new Image structure and returns a |
| 323 | % pointer to the new image. |
| 324 | % |
| 325 | % The format of the ReadPSDImage method is: |
| 326 | % |
| 327 | % image=ReadPSDImage(image_info) |
| 328 | % |
| 329 | % A description of each parameter follows: |
| 330 | % |
| 331 | % o image_info: the image info. |
| 332 | % |
| 333 | % o exception: return any errors or warnings in this structure. |
| 334 | % |
| 335 | */ |
| 336 | |
| 337 | static inline long MagickAbsoluteValue(const long x) |
| 338 | { |
| 339 | if (x < 0) |
| 340 | return(-x); |
| 341 | return(x); |
| 342 | } |
| 343 | |
| 344 | static CompositeOperator PSDBlendModeToCompositeOperator(const char *mode) |
| 345 | { |
| 346 | if (mode == (const char *) NULL) |
| 347 | return(OverCompositeOp); |
| 348 | if (LocaleNCompare(mode,"norm",4) == 0) |
| 349 | return(OverCompositeOp); |
| 350 | if (LocaleNCompare(mode,"mul ",4) == 0) |
| 351 | return(MultiplyCompositeOp); |
| 352 | if (LocaleNCompare(mode,"diss",4) == 0) |
| 353 | return(DissolveCompositeOp); |
| 354 | if (LocaleNCompare(mode,"diff",4) == 0) |
| 355 | return(DifferenceCompositeOp); |
| 356 | if (LocaleNCompare(mode,"dark",4) == 0) |
| 357 | return(DarkenCompositeOp); |
| 358 | if (LocaleNCompare(mode,"lite",4) == 0) |
| 359 | return(LightenCompositeOp); |
| 360 | if (LocaleNCompare(mode,"hue ",4) == 0) |
| 361 | return(HueCompositeOp); |
| 362 | if (LocaleNCompare(mode,"sat ",4) == 0) |
| 363 | return(SaturateCompositeOp); |
| 364 | if (LocaleNCompare(mode,"colr",4) == 0) |
| 365 | return(ColorizeCompositeOp); |
| 366 | if (LocaleNCompare(mode,"lum ",4) == 0) |
| 367 | return(LuminizeCompositeOp); |
| 368 | if (LocaleNCompare(mode,"scrn",4) == 0) |
| 369 | return(ScreenCompositeOp); |
| 370 | if (LocaleNCompare(mode,"over",4) == 0) |
| 371 | return(OverlayCompositeOp); |
| 372 | if (LocaleNCompare(mode,"hLit",4) == 0) |
| 373 | return(OverCompositeOp); |
| 374 | if (LocaleNCompare(mode,"sLit",4) == 0) |
| 375 | return(OverCompositeOp); |
| 376 | if (LocaleNCompare(mode,"smud",4) == 0) |
| 377 | return(OverCompositeOp); |
| 378 | if (LocaleNCompare(mode,"div ",4) == 0) |
| 379 | return(OverCompositeOp); |
| 380 | if (LocaleNCompare(mode,"idiv",4) == 0) |
| 381 | return(OverCompositeOp); |
| 382 | return(OverCompositeOp); |
| 383 | } |
| 384 | |
| 385 | static const char *CompositeOperatorToPSDBlendMode(CompositeOperator inOp) |
| 386 | { |
| 387 | const char |
| 388 | *outMode = "norm"; |
| 389 | |
| 390 | switch (inOp) |
| 391 | { |
| 392 | case OverCompositeOp: outMode = "norm"; break; |
| 393 | case MultiplyCompositeOp: outMode = "mul "; break; |
| 394 | case DissolveCompositeOp: outMode = "diss"; break; |
| 395 | case DifferenceCompositeOp: outMode = "diff"; break; |
| 396 | case DarkenCompositeOp: outMode = "dark"; break; |
| 397 | case LightenCompositeOp: outMode = "lite"; break; |
| 398 | case HueCompositeOp: outMode = "hue "; break; |
| 399 | case SaturateCompositeOp: outMode = "sat "; break; |
| 400 | case ColorizeCompositeOp: outMode = "colr"; break; |
| 401 | case LuminizeCompositeOp: outMode = "lum "; break; |
| 402 | case ScreenCompositeOp: outMode = "scrn"; break; |
| 403 | case OverlayCompositeOp: outMode = "over"; break; |
| 404 | |
| 405 | default: |
| 406 | outMode = "norm"; |
| 407 | /* |
| 408 | if (LocaleNCompare(mode,"hLit",4) == 0) |
| 409 | return(OverCompositeOp); |
| 410 | if (LocaleNCompare(mode,"sLit",4) == 0) |
| 411 | return(OverCompositeOp); |
| 412 | if (LocaleNCompare(mode,"smud",4) == 0) |
| 413 | return(OverCompositeOp); |
| 414 | if (LocaleNCompare(mode,"div ",4) == 0) |
| 415 | return(OverCompositeOp); |
| 416 | if (LocaleNCompare(mode,"idiv",4) == 0) |
| 417 | return(OverCompositeOp); |
| 418 | */ |
| 419 | } |
| 420 | return(outMode); |
| 421 | } |
| 422 | |
| 423 | typedef enum |
| 424 | { |
| 425 | BitmapMode = 0, |
| 426 | GrayscaleMode = 1, |
| 427 | IndexedMode = 2, |
| 428 | RGBMode = 3, |
| 429 | CMYKMode = 4, |
| 430 | MultichannelMode = 7, |
| 431 | DuotoneMode = 8, |
| 432 | LabMode = 9 |
| 433 | } PSDImageType; |
| 434 | |
| 435 | static const char *ModeToString( PSDImageType inType ) |
| 436 | { |
| 437 | switch ( inType ) |
| 438 | { |
| 439 | case BitmapMode: return "Bitmap"; |
| 440 | case GrayscaleMode: return "Grayscale"; |
| 441 | case IndexedMode: return "Indexed"; |
| 442 | case RGBMode: return "RGB"; |
| 443 | case CMYKMode: return "CMYK"; |
| 444 | case MultichannelMode: return "Multichannel"; |
| 445 | case DuotoneMode: return "Duotone"; |
| 446 | case LabMode: return "L*A*B"; |
| 447 | default: return "unknown"; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | static MagickBooleanType ParseImageResourceBlocks(Image *image, |
| 452 | const unsigned char *blocks,size_t length) |
| 453 | { |
| 454 | const unsigned char |
| 455 | *p; |
| 456 | |
| 457 | StringInfo |
| 458 | *profile; |
| 459 | |
| 460 | unsigned long |
| 461 | count, |
| 462 | long_sans; |
| 463 | |
| 464 | unsigned short |
| 465 | id, |
| 466 | short_sans; |
| 467 | |
| 468 | if (length < 16) |
| 469 | return(MagickFalse); |
| 470 | profile=AcquireStringInfo(length); |
| 471 | SetStringInfoDatum(profile,blocks); |
| 472 | (void) SetImageProfile(image,"8bim",profile); |
| 473 | profile=DestroyStringInfo(profile); |
| 474 | for (p=blocks; (p >= blocks) && (p < (blocks+length-16)); ) |
| 475 | { |
| 476 | if (LocaleNCompare((const char *) p,"8BIM",4) != 0) |
| 477 | break; |
| 478 | p=PushLongPixel(LSBEndian,p,&long_sans); |
| 479 | p=PushShortPixel(LSBEndian,p,&id); |
| 480 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 481 | p=PushLongPixel(LSBEndian,p,&count); |
| 482 | switch (id) |
| 483 | { |
| 484 | case 0x03ed: |
| 485 | { |
| 486 | unsigned short |
| 487 | resolution; |
| 488 | |
| 489 | /* |
| 490 | Resolution info. |
| 491 | */ |
| 492 | p=PushShortPixel(LSBEndian,p,&resolution); |
| 493 | image->x_resolution=(double) resolution; |
| 494 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 495 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 496 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 497 | p=PushShortPixel(LSBEndian,p,&resolution); |
| 498 | image->y_resolution=(double) resolution; |
| 499 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 500 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 501 | p=PushShortPixel(LSBEndian,p,&short_sans); |
| 502 | break; |
| 503 | } |
| 504 | default: |
| 505 | { |
| 506 | p+=count; |
| 507 | break; |
| 508 | } |
| 509 | } |
| 510 | if ((count & 0x01) != 0) |
| 511 | p++; |
| 512 | } |
| 513 | return(MagickTrue); |
| 514 | } |
| 515 | |
| 516 | static Image *ReadPSDImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 517 | { |
| 518 | #define MaxPSDChannels 24 |
| 519 | |
| 520 | typedef struct _ChannelInfo |
| 521 | { |
| 522 | short int |
| 523 | type; |
| 524 | |
| 525 | unsigned long |
| 526 | size; |
| 527 | } ChannelInfo; |
| 528 | |
| 529 | typedef struct _LayerInfo |
| 530 | { |
| 531 | RectangleInfo |
| 532 | page, |
| 533 | mask; |
| 534 | |
| 535 | unsigned short |
| 536 | channels; |
| 537 | |
| 538 | ChannelInfo |
| 539 | channel_info[MaxPSDChannels]; |
| 540 | |
| 541 | char |
| 542 | blendkey[4]; |
| 543 | |
| 544 | Quantum |
| 545 | opacity; |
| 546 | |
| 547 | unsigned char |
| 548 | clipping, |
| 549 | visible, |
| 550 | flags; |
| 551 | |
| 552 | unsigned long |
| 553 | offset_x, |
| 554 | offset_y; |
| 555 | |
| 556 | unsigned char |
| 557 | name[256]; |
| 558 | |
| 559 | Image |
| 560 | *image; |
| 561 | } LayerInfo; |
| 562 | |
| 563 | typedef struct _PSDInfo |
| 564 | { |
| 565 | char |
| 566 | signature[4]; |
| 567 | |
| 568 | unsigned short |
| 569 | channels, |
| 570 | version; |
| 571 | |
| 572 | unsigned char |
| 573 | reserved[6]; |
| 574 | |
| 575 | unsigned long |
| 576 | rows, |
| 577 | columns; |
| 578 | |
| 579 | unsigned short |
| 580 | depth, |
| 581 | mode; |
| 582 | } PSDInfo; |
| 583 | |
| 584 | char |
| 585 | s[MaxTextExtent], |
| 586 | type[4]; |
| 587 | |
| 588 | Image |
| 589 | *image; |
| 590 | |
| 591 | IndexPacket |
| 592 | *indexes; |
| 593 | |
| 594 | LayerInfo |
| 595 | *layer_info; |
| 596 | |
| 597 | long |
| 598 | j, |
| 599 | number_layers, |
| 600 | y; |
| 601 | |
| 602 | PSDInfo |
| 603 | psd_info; |
| 604 | |
| 605 | register long |
| 606 | x; |
| 607 | |
| 608 | register PixelPacket |
| 609 | *q; |
| 610 | |
| 611 | register long |
| 612 | i; |
| 613 | |
| 614 | size_t |
| 615 | length, |
| 616 | combinedlength, |
| 617 | size; |
| 618 | |
| 619 | ssize_t |
| 620 | count; |
| 621 | |
| 622 | MagickBooleanType |
| 623 | status; |
| 624 | |
| 625 | MagickOffsetType |
| 626 | offset; |
| 627 | |
| 628 | size_t |
| 629 | packet_size; |
| 630 | |
| 631 | unsigned char |
| 632 | *data; |
| 633 | |
| 634 | unsigned short |
| 635 | compression; |
| 636 | |
| 637 | unsigned long |
| 638 | mask_size, |
| 639 | pixel, |
| 640 | skip_first_alpha = 0; |
| 641 | |
| 642 | /* |
| 643 | Open image file. |
| 644 | */ |
| 645 | assert(image_info != (const ImageInfo *) NULL); |
| 646 | assert(image_info->signature == MagickSignature); |
| 647 | if (image_info->debug != MagickFalse) |
| 648 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 649 | image_info->filename); |
| 650 | assert(exception != (ExceptionInfo *) NULL); |
| 651 | assert(exception->signature == MagickSignature); |
| 652 | image=AcquireImage(image_info); |
| 653 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 654 | if (status == MagickFalse) |
| 655 | { |
| 656 | image=DestroyImageList(image); |
| 657 | return((Image *) NULL); |
| 658 | } |
| 659 | /* |
| 660 | Read image header. |
| 661 | */ |
| 662 | count=ReadBlob(image,4,(unsigned char *) psd_info.signature); |
| 663 | psd_info.version=ReadBlobMSBShort(image); |
| 664 | if ((count == 0) || (LocaleNCompare(psd_info.signature,"8BPS",4) != 0) || |
| 665 | (psd_info.version != 1)) |
| 666 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 667 | count=ReadBlob(image,6,psd_info.reserved); |
| 668 | psd_info.channels=ReadBlobMSBShort(image); |
| 669 | if (psd_info.channels > MaxPSDChannels) |
| 670 | ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); |
| 671 | psd_info.rows=ReadBlobMSBLong(image); |
| 672 | psd_info.columns=ReadBlobMSBLong(image); |
| 673 | psd_info.depth=ReadBlobMSBShort(image); |
| 674 | psd_info.mode=ReadBlobMSBShort(image); |
| 675 | if (image->debug != MagickFalse) |
| 676 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 677 | " Image is %ld x %ld with channels=%d, depth=%d, mode=%s", |
| 678 | psd_info.columns,psd_info.rows,psd_info.channels,psd_info.depth, |
| 679 | ModeToString((PSDImageType) psd_info.mode)); |
| 680 | /* |
| 681 | Initialize image. |
| 682 | */ |
| 683 | image->depth=psd_info.depth; |
| 684 | image->columns=psd_info.columns; |
| 685 | image->rows=psd_info.rows; |
| 686 | (void) SetImageBackgroundColor(image); |
| 687 | image->matte=psd_info.channels >= 4 ? MagickTrue : MagickFalse; |
| 688 | if (psd_info.mode == LabMode) |
| 689 | image->colorspace=LabColorspace; |
| 690 | if (psd_info.mode == CMYKMode) |
| 691 | { |
| 692 | image->colorspace=CMYKColorspace; |
| 693 | image->matte=psd_info.channels >= 5 ? MagickTrue : MagickFalse; |
| 694 | } |
| 695 | if ((psd_info.mode == BitmapMode) || (psd_info.mode == GrayscaleMode) || |
| 696 | (psd_info.mode == DuotoneMode)) |
| 697 | { |
cristy | 52cf7f1 | 2010-02-07 18:07:56 +0000 | [diff] [blame^] | 698 | if (AcquireImageColormap(image,256) == MagickFalse) |
| 699 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 700 | image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; |
| 701 | if (image->debug != MagickFalse) |
| 702 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 703 | " ImageColorMap allocated"); |
| 704 | } |
| 705 | if (image->debug != MagickFalse) |
| 706 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 707 | image->matte ? " image has matte" : " image has no matte"); |
| 708 | /* |
| 709 | Read PSD raster colormap only present for indexed and duotone images. |
| 710 | */ |
| 711 | length=ReadBlobMSBLong(image); |
| 712 | if (length != 0) |
| 713 | { |
| 714 | if (image->debug != MagickFalse) |
| 715 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 716 | " reading colormap"); |
| 717 | if (psd_info.mode == DuotoneMode) |
| 718 | { |
| 719 | /* |
| 720 | Duotone image data; the format of this data is undocumented. |
| 721 | */ |
| 722 | data=(unsigned char *) AcquireQuantumMemory(length,sizeof(*data)); |
| 723 | if (data == (unsigned char *) NULL) |
| 724 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 725 | count=ReadBlob(image,length,data); |
| 726 | data=(unsigned char *) RelinquishMagickMemory(data); |
| 727 | } |
| 728 | else |
| 729 | { |
| 730 | /* |
| 731 | Read PSD raster colormap. |
| 732 | */ |
| 733 | if (AcquireImageColormap(image,(unsigned long) (length/3)) == MagickFalse) |
| 734 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 735 | for (i=0; i < (long) image->colors; i++) |
| 736 | image->colormap[i].red=ScaleCharToQuantum((unsigned char) |
| 737 | ReadBlobByte(image)); |
| 738 | for (i=0; i < (long) image->colors; i++) |
| 739 | image->colormap[i].green=ScaleCharToQuantum((unsigned char) |
| 740 | ReadBlobByte(image)); |
| 741 | for (i=0; i < (long) image->colors; i++) |
| 742 | image->colormap[i].blue=ScaleCharToQuantum((unsigned char) |
| 743 | ReadBlobByte(image)); |
| 744 | image->matte=psd_info.channels >= 2 ? MagickTrue : MagickFalse; |
| 745 | } |
| 746 | } |
| 747 | length=ReadBlobMSBLong(image); |
| 748 | if (length != 0) |
| 749 | { |
| 750 | unsigned char |
| 751 | *blocks; |
| 752 | |
| 753 | /* |
| 754 | Image resources block. |
| 755 | */ |
| 756 | if (image->debug != MagickFalse) |
| 757 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 758 | " reading image resource blocks - %ld bytes",(long) length); |
| 759 | blocks=(unsigned char *) AcquireQuantumMemory(length,sizeof(*blocks)); |
| 760 | if (blocks == (unsigned char *) NULL) |
| 761 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 762 | count=ReadBlob(image,length,blocks); |
| 763 | if (((size_t) count != length) || |
| 764 | (LocaleNCompare((char *) blocks,"8BIM",4) != 0)) |
| 765 | { |
| 766 | blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| 767 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 768 | } |
| 769 | (void) ParseImageResourceBlocks(image,blocks,length); |
| 770 | blocks=(unsigned char *) RelinquishMagickMemory(blocks); |
| 771 | } |
| 772 | /* |
| 773 | If we are only "pinging" the image, then we're done - so return. |
| 774 | */ |
| 775 | if (image_info->ping != MagickFalse) |
| 776 | { |
| 777 | (void) CloseBlob(image); |
| 778 | return(GetFirstImageInList(image)); |
| 779 | } |
| 780 | /* |
| 781 | Layer and mask block. |
| 782 | */ |
| 783 | layer_info=(LayerInfo *) NULL; |
| 784 | number_layers=0; |
| 785 | length=ReadBlobMSBLong(image); |
| 786 | if (length == 8) |
| 787 | { |
| 788 | length=ReadBlobMSBLong(image); |
| 789 | length=ReadBlobMSBLong(image); |
| 790 | } |
| 791 | if ((image_info->number_scenes == 1) && (image_info->scene == 0)) |
| 792 | for ( ; length != 0; length--) |
| 793 | if (ReadBlobByte(image) == EOF) |
| 794 | { |
| 795 | ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| 796 | image->filename); |
| 797 | break; |
| 798 | } |
| 799 | if (length == 0) |
| 800 | { |
| 801 | if (image->debug != MagickFalse) |
| 802 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 803 | " image has no layers"); |
| 804 | } |
| 805 | else |
| 806 | { |
| 807 | offset=TellBlob(image); |
| 808 | size=ReadBlobMSBLong(image); |
| 809 | if (size == 0) |
| 810 | { |
| 811 | /* |
| 812 | Skip layers & masks. |
| 813 | */ |
| 814 | for (j=0; j < (long) (length-4); j++) |
| 815 | (void) ReadBlobByte(image); |
| 816 | } |
| 817 | else |
| 818 | { |
| 819 | MagickOffsetType |
| 820 | layer_offset; |
| 821 | |
| 822 | layer_offset=offset+length; |
| 823 | number_layers=(short) ReadBlobMSBShort(image); |
| 824 | if (image->debug != MagickFalse) |
| 825 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 826 | " image contains %ld layers", number_layers); |
| 827 | if (number_layers < 0) |
| 828 | { |
| 829 | /* |
| 830 | Weird hack in PSD format to ignore first alpha channel. |
| 831 | */ |
| 832 | skip_first_alpha=1; |
| 833 | number_layers=MagickAbsoluteValue(number_layers); |
| 834 | if (image->debug != MagickFalse) |
| 835 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 836 | " negative layer count corrected for"); |
| 837 | } |
| 838 | layer_info=(LayerInfo *) AcquireQuantumMemory((size_t) number_layers, |
| 839 | sizeof(*layer_info)); |
| 840 | if (layer_info == (LayerInfo *) NULL) |
| 841 | { |
| 842 | if (image->debug != MagickFalse) |
| 843 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 844 | " allocation of LayerInfo failed"); |
| 845 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 846 | } |
| 847 | (void) ResetMagickMemory(layer_info,0,(size_t) number_layers* |
| 848 | sizeof(*layer_info)); |
| 849 | for (i=0; i < number_layers; i++) |
| 850 | { |
| 851 | if (image->debug != MagickFalse) |
| 852 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 853 | " reading layer #%ld",i+1); |
| 854 | layer_info[i].page.y=(long) ReadBlobMSBLong(image); |
| 855 | layer_info[i].page.x=(long) ReadBlobMSBLong(image); |
| 856 | layer_info[i].page.height=ReadBlobMSBLong(image)-layer_info[i].page.y; |
| 857 | layer_info[i].page.width=ReadBlobMSBLong(image)-layer_info[i].page.x; |
| 858 | layer_info[i].channels=ReadBlobMSBShort(image); |
| 859 | if (layer_info[i].channels > MaxPSDChannels) |
| 860 | ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded"); |
| 861 | if (image->debug != MagickFalse) |
| 862 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 863 | " offset(%ld,%ld), size(%ld,%ld), channels=%d", |
| 864 | layer_info[i].page.x, layer_info[i].page.y, |
| 865 | layer_info[i].page.height,layer_info[i].page.width, |
| 866 | layer_info[i].channels); |
| 867 | for (j=0; j < (long) layer_info[i].channels; j++) |
| 868 | { |
| 869 | layer_info[i].channel_info[j].type=(short) ReadBlobMSBShort(image); |
| 870 | layer_info[i].channel_info[j].size=ReadBlobMSBLong(image); |
| 871 | if (image->debug != MagickFalse) |
| 872 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 873 | " channel[%ld]: type=%d, size=%ld",j, |
| 874 | layer_info[i].channel_info[j].type, |
| 875 | (long) layer_info[i].channel_info[j].size); |
| 876 | } |
| 877 | count=ReadBlob(image,4,(unsigned char *) type); |
| 878 | if ((count == 0) || (LocaleNCompare(type,"8BIM",4) != 0)) |
| 879 | { |
| 880 | if (image->debug != MagickFalse) |
| 881 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 882 | " layer type was %.4s instead of 8BIM", type); |
| 883 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 884 | } |
| 885 | count=ReadBlob(image,4,(unsigned char *) layer_info[i].blendkey); |
| 886 | layer_info[i].opacity=(Quantum) (QuantumRange-ScaleCharToQuantum( |
| 887 | (unsigned char) ReadBlobByte(image))); |
| 888 | layer_info[i].clipping=(unsigned char) ReadBlobByte(image); |
| 889 | layer_info[i].flags=(unsigned char) ReadBlobByte(image); |
| 890 | layer_info[i].visible=!(layer_info[i].flags & 0x02); |
| 891 | if (image->debug != MagickFalse) |
| 892 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 893 | " blend=%.4s, opacity=%lu, clipping=%s, flags=%d, visible=%s", |
| 894 | layer_info[i].blendkey,(unsigned long) layer_info[i].opacity, |
| 895 | layer_info[i].clipping ? "true" : "false",layer_info[i].flags, |
| 896 | layer_info[i].visible ? "true" : "false"); |
| 897 | (void) ReadBlobByte(image); /* filler */ |
| 898 | combinedlength=0; |
| 899 | size=ReadBlobMSBLong(image); |
| 900 | if (size != 0) |
| 901 | { |
| 902 | if (image->debug != MagickFalse) |
| 903 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 904 | " layer contains additional info"); |
| 905 | length=ReadBlobMSBLong(image); |
| 906 | if (length != 0) |
| 907 | { |
| 908 | /* |
| 909 | Layer mask info. |
| 910 | */ |
| 911 | layer_info[i].mask.y=(long) ReadBlobMSBLong(image); |
| 912 | layer_info[i].mask.x=(long) ReadBlobMSBLong(image); |
| 913 | layer_info[i].mask.height= |
| 914 | (ReadBlobMSBLong(image)-layer_info[i].mask.y); |
| 915 | layer_info[i].mask.width= |
| 916 | (ReadBlobMSBLong(image)-layer_info[i].mask.x); |
| 917 | if (image->debug != MagickFalse) |
| 918 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 919 | " layer mask: offset(%ld,%ld), size(%ld,%ld), length=%ld", |
| 920 | layer_info[i].mask.x,layer_info[i].mask.y, |
| 921 | layer_info[i].mask.width, layer_info[i].mask.height, |
| 922 | (long) length-16); |
| 923 | /* |
| 924 | Skip over the rest of the layer mask information. |
| 925 | */ |
| 926 | for (j=0; j < (long) (length-16); j++) |
| 927 | (void) ReadBlobByte(image); |
| 928 | } |
| 929 | combinedlength+=length+4; /* +4 for length */ |
| 930 | length=ReadBlobMSBLong(image); |
| 931 | if (length != 0) |
| 932 | { |
| 933 | /* |
| 934 | Layer blending ranges info. |
| 935 | */ |
| 936 | if (image->debug != MagickFalse) |
| 937 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 938 | " layer blending ranges: length=%ld",(long) length); |
| 939 | /* |
| 940 | We read it, but don't use it... |
| 941 | */ |
| 942 | for (j=0; j < (long) (length); j+=8) |
| 943 | { |
| 944 | size_t blend_source=ReadBlobMSBLong(image); |
| 945 | size_t blend_dest=ReadBlobMSBLong(image); |
| 946 | if (image->debug != MagickFalse) |
| 947 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 948 | " source(%x), dest(%x)",(unsigned int) |
| 949 | blend_source,(unsigned int) blend_dest); |
| 950 | } |
| 951 | } |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 952 | combinedlength+=length+4; |
| 953 | /* |
| 954 | Layer name. |
| 955 | */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 956 | length=(size_t) ReadBlobByte(image); |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 957 | for (j=0; j < (long) length; j++) |
| 958 | layer_info[i].name[j]=(unsigned char) ReadBlobByte(image); |
| 959 | layer_info[i].name[j]='\0'; |
| 960 | if (image->debug != MagickFalse) |
| 961 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 962 | " layer name: %s",layer_info[i].name); |
| 963 | combinedlength+=length+1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 964 | |
| 965 | #if 0 /* still in development */ |
| 966 | /* |
| 967 | Adjustment layers and other stuff... |
| 968 | */ |
| 969 | { |
| 970 | char alsig[4], |
| 971 | alkey[4]; |
| 972 | |
| 973 | count=ReadBlob(image,4,alsig); |
| 974 | if ((count == 0) || (LocaleNCompare(alsig,"8BIM",4) != 0)) { |
| 975 | if (debug != MagickFalse) |
| 976 | { |
| 977 | if (image->debug != MagickFalse) |
| 978 | (void) LogMagickEvent(CoderEvent,GetMagickModule()," adjustment layer type was %.4s instead of 8BIM", alsig); |
| 979 | } |
| 980 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 981 | } |
| 982 | count=ReadBlob(image,4,alkey); |
| 983 | length=ReadBlobMSBLong(image); |
| 984 | if (debug != MagickFalse) |
| 985 | { |
| 986 | if (image->debug != MagickFalse) |
| 987 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 988 | " adjustment layer key: %.4s, data length=%ld", |
| 989 | alkey, length); |
| 990 | } |
| 991 | |
| 992 | if ( length ) { |
| 993 | for (j=0; j < (long) (length); j++) |
| 994 | (void) ReadBlobByte(image); |
| 995 | } |
| 996 | |
| 997 | } |
| 998 | combinedlength += 12 + length; /* sig, key, length + the actual length*/ |
| 999 | #endif |
| 1000 | |
| 1001 | /* |
| 1002 | Skip the rest of the variable data until we support it. |
| 1003 | */ |
| 1004 | if (image->debug != MagickFalse) |
| 1005 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1006 | " unsupported data: length=%ld",(long) |
| 1007 | size-combinedlength); |
| 1008 | for (j=0; j < (long) (size-combinedlength); j++) |
| 1009 | (void) ReadBlobByte(image); |
| 1010 | } |
| 1011 | /* |
| 1012 | Allocate layered image. |
| 1013 | */ |
| 1014 | layer_info[i].image=CloneImage(image,layer_info[i].page.width, |
| 1015 | layer_info[i].page.height,MagickFalse,&image->exception); |
| 1016 | if (layer_info[i].image == (Image *) NULL) |
| 1017 | { |
| 1018 | for (j=0; j < i; j++) |
| 1019 | layer_info[j].image=DestroyImage(layer_info[j].image); |
| 1020 | if (image->debug != MagickFalse) |
| 1021 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1022 | " allocation of image for layer %ld failed", i); |
| 1023 | ThrowReaderException(ResourceLimitError, |
| 1024 | "MemoryAllocationFailed"); |
| 1025 | } |
| 1026 | if (image->debug != MagickFalse) |
| 1027 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1028 | " setting up new layer image"); |
| 1029 | (void) SetImageBackgroundColor(layer_info[i].image); |
| 1030 | layer_info[i].image->compose= |
| 1031 | PSDBlendModeToCompositeOperator(layer_info[i].blendkey); |
| 1032 | if (layer_info[i].visible == MagickFalse) |
| 1033 | layer_info[i].image->compose=NoCompositeOp; |
| 1034 | if (psd_info.mode == CMYKMode) |
| 1035 | image->colorspace=CMYKColorspace; |
| 1036 | for (j=0; j < (long) layer_info[i].channels; j++) |
| 1037 | if (layer_info[i].channel_info[j].type == -1) |
| 1038 | layer_info[i].image->matte=MagickTrue; |
| 1039 | /* |
| 1040 | Set up some hidden attributes for folks that need them. |
| 1041 | */ |
| 1042 | (void) FormatMagickString(s,MaxTextExtent,"%ld", |
| 1043 | layer_info[i].page.x ); |
| 1044 | (void) SetImageArtifact(layer_info[i].image,"psd:layer.x",s); |
| 1045 | (void) FormatMagickString(s,MaxTextExtent,"%ld", |
| 1046 | layer_info[i].page.y); |
| 1047 | (void) SetImageArtifact(layer_info[i].image,"psd:layer.y",s); |
| 1048 | (void) FormatMagickString(s,MaxTextExtent,"%lu",(unsigned long) |
| 1049 | layer_info[i].opacity ); |
| 1050 | (void) SetImageArtifact(layer_info[i].image,"psd:layer.opacity",s); |
| 1051 | (void) SetImageProperty(layer_info[i].image,"label",(char *) |
| 1052 | layer_info[i].name); |
| 1053 | } |
| 1054 | if (image->debug != MagickFalse) |
| 1055 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1056 | " reading image data for layers"); |
| 1057 | /* |
| 1058 | Read pixel data for each layer. |
| 1059 | */ |
| 1060 | for (i=0; i < number_layers; i++) |
| 1061 | { |
| 1062 | if (image->debug != MagickFalse) |
| 1063 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1064 | " reading data for layer %ld",i); |
| 1065 | for (j=0; j < (long) layer_info[i].channels; j++) |
| 1066 | { |
| 1067 | if (image->debug != MagickFalse) |
| 1068 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1069 | " reading data for channel %ld", j); |
| 1070 | #if 1 |
| 1071 | if (layer_info[i].channel_info[j].size <= (2*layer_info[i].image->rows)) |
| 1072 | { |
| 1073 | long |
| 1074 | k; |
| 1075 | |
| 1076 | if (image->debug != MagickFalse) |
| 1077 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1078 | " layer data is empty"); |
| 1079 | /* |
| 1080 | A layer without data. |
| 1081 | */ |
| 1082 | for (k=0; k < (long) layer_info[i].channel_info[j].size; k++) |
| 1083 | (void) ReadBlobByte(layer_info[i].image); |
| 1084 | continue; |
| 1085 | } |
| 1086 | #endif |
| 1087 | compression=ReadBlobMSBShort(layer_info[i].image); |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1088 | if ((layer_info[i].page.height != 0) && |
| 1089 | (layer_info[i].page.width != 0)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1090 | { |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1091 | if (compression == 1) |
| 1092 | { |
| 1093 | /* |
| 1094 | Read RLE compressed data. |
| 1095 | */ |
| 1096 | if (image->debug != MagickFalse) |
| 1097 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1098 | " layer data is RLE compressed"); |
| 1099 | for (y=0; y < (long) layer_info[i].image->rows; y++) |
| 1100 | (void) ReadBlobMSBShort(layer_info[i].image); |
| 1101 | (void) DecodeImage(layer_info[i].image, |
| 1102 | layer_info[i].channel_info[j].type); |
| 1103 | continue; |
| 1104 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1105 | /* |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1106 | Read uncompressed pixel datas separate planes. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1107 | */ |
| 1108 | if (image->debug != MagickFalse) |
| 1109 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1110 | " layer data is uncompressed"); |
| 1111 | packet_size=1; |
| 1112 | if (layer_info[i].image->storage_class == PseudoClass) |
| 1113 | { |
| 1114 | if (layer_info[i].image->colors > 256) |
| 1115 | packet_size++; |
| 1116 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1117 | else |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1118 | if (layer_info[i].image->depth > 8) |
| 1119 | packet_size++; |
| 1120 | for (y=0; y < (long) layer_info[i].image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1121 | { |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1122 | q=GetAuthenticPixels(layer_info[i].image,0,y, |
| 1123 | layer_info[i].image->columns,1,exception); |
| 1124 | if (q == (PixelPacket *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1125 | break; |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1126 | indexes=GetAuthenticIndexQueue(layer_info[i].image); |
| 1127 | for (x=0; x < (long) layer_info[i].image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1128 | { |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1129 | if (packet_size == 1) |
| 1130 | pixel=(unsigned long) ScaleCharToQuantum((unsigned char) |
| 1131 | ReadBlobByte(layer_info[i].image)); |
| 1132 | else |
| 1133 | pixel=(unsigned long) ScaleShortToQuantum( |
| 1134 | ReadBlobMSBShort(layer_info[i].image)); |
| 1135 | switch (layer_info[i].channel_info[j].type) |
| 1136 | { |
| 1137 | case -1: /* transparency mask */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1138 | { |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1139 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1140 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1141 | } |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1142 | case 0: /* first component (Red, Cyan, Gray or Index) */ |
| 1143 | { |
| 1144 | q->red=(Quantum) pixel; |
| 1145 | if (layer_info[i].image->storage_class == PseudoClass) |
| 1146 | { |
| 1147 | if (packet_size == 1) |
| 1148 | indexes[x]=(IndexPacket) ScaleQuantumToChar( |
| 1149 | (Quantum) pixel); |
| 1150 | else |
| 1151 | indexes[x]=(IndexPacket) ScaleQuantumToShort( |
| 1152 | (Quantum) pixel); |
| 1153 | q->red=layer_info[i].image->colormap[(long) *indexes].red; |
| 1154 | q->green=layer_info[i].image->colormap[(long) *indexes].green; |
| 1155 | q->blue=layer_info[i].image->colormap[(long) *indexes].blue; |
| 1156 | } |
| 1157 | break; |
| 1158 | } |
| 1159 | case 1: /* second component (Green, Magenta, or opacity) */ |
| 1160 | { |
| 1161 | if (layer_info[i].image->storage_class == PseudoClass) |
| 1162 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1163 | else |
| 1164 | q->green=(Quantum) pixel; |
| 1165 | break; |
| 1166 | } |
| 1167 | case 2: /* third component (Blue or Yellow) */ |
| 1168 | { |
| 1169 | q->blue=(Quantum) pixel; |
| 1170 | break; |
| 1171 | } |
| 1172 | case 3: /* fourth component (Opacity or Black) */ |
| 1173 | { |
| 1174 | if (image->colorspace == CMYKColorspace) |
| 1175 | indexes[x]=(Quantum) pixel; |
| 1176 | else |
| 1177 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1178 | break; |
| 1179 | } |
| 1180 | case 4: /* fifth component (opacity) */ |
| 1181 | { |
| 1182 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1183 | break; |
| 1184 | } |
| 1185 | default: |
| 1186 | break; |
| 1187 | } |
| 1188 | q++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1189 | } |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1190 | if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1191 | break; |
| 1192 | } |
cristy | 2cc3984 | 2009-10-10 20:04:02 +0000 | [diff] [blame] | 1193 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1194 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1195 | if (layer_info[i].opacity != OpaqueOpacity) |
| 1196 | { |
| 1197 | /* |
| 1198 | Correct for opacity level. |
| 1199 | */ |
| 1200 | for (y=0; y < (long) layer_info[i].image->rows; y++) |
| 1201 | { |
| 1202 | q=GetAuthenticPixels(layer_info[i].image,0,y, |
| 1203 | layer_info[i].image->columns,1,exception); |
| 1204 | if (q == (PixelPacket *) NULL) |
| 1205 | break; |
| 1206 | indexes=GetAuthenticIndexQueue(layer_info[i].image); |
| 1207 | for (x=0; x < (long) layer_info[i].image->columns; x++) |
| 1208 | { |
cristy | 0775866 | 2010-01-15 20:25:50 +0000 | [diff] [blame] | 1209 | q->opacity=(Quantum) (QuantumRange-(Quantum) (QuantumScale* |
| 1210 | ((QuantumRange-q->opacity)*(QuantumRange- |
| 1211 | layer_info[i].opacity)))); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1212 | q++; |
| 1213 | } |
| 1214 | if (SyncAuthenticPixels(layer_info[i].image,exception) == MagickFalse) |
| 1215 | break; |
| 1216 | } |
| 1217 | } |
| 1218 | if (layer_info[i].image->colorspace == CMYKColorspace) |
| 1219 | (void) NegateImage(layer_info[i].image,MagickFalse); |
| 1220 | } |
| 1221 | /* added by palf -> invisible group layer make layer of this group |
| 1222 | invisible I consider that all layer with width and height null are |
| 1223 | layer for group layer */ |
| 1224 | { |
| 1225 | short inside_layer = 0; |
| 1226 | short layer_visible = 0; |
| 1227 | for (i=number_layers-1; i >=0; i--) |
| 1228 | { |
| 1229 | if ((layer_info[i].page.width == 0) || |
| 1230 | (layer_info[i].page.height == 0)) |
| 1231 | { |
| 1232 | if (inside_layer == 0) |
| 1233 | { |
| 1234 | inside_layer=1; |
| 1235 | layer_visible=(short int) layer_info[i].visible; |
| 1236 | } |
| 1237 | else |
| 1238 | { |
| 1239 | inside_layer = 0; |
| 1240 | } |
| 1241 | } |
| 1242 | else |
| 1243 | if ((inside_layer == 1) && (layer_visible == 0)) |
| 1244 | { |
| 1245 | layer_info[i].visible=(unsigned char) layer_visible; |
| 1246 | layer_info[i].image->compose=NoCompositeOp; |
| 1247 | } |
| 1248 | } |
| 1249 | } |
| 1250 | /* added by palf -> suppression of empty layer */ |
| 1251 | /* I consider that all layer with width and height null are layer for group layer */ |
| 1252 | for (i=0; i < number_layers; i++) |
| 1253 | { |
| 1254 | if ((layer_info[i].page.width == 0) || |
| 1255 | (layer_info[i].page.height == 0)) |
| 1256 | { |
| 1257 | if (layer_info[i].image != (Image *) NULL) |
| 1258 | layer_info[i].image=DestroyImage(layer_info[i].image); |
| 1259 | for (j=i; j < number_layers - 1; j++) |
| 1260 | layer_info[j] = layer_info[j+1]; |
| 1261 | number_layers--; |
| 1262 | i--; |
| 1263 | } |
| 1264 | } |
| 1265 | mask_size = ReadBlobMSBLong(image); /* global mask size: currently ignored */ |
| 1266 | |
| 1267 | if (number_layers > 0) |
| 1268 | { |
| 1269 | |
| 1270 | if (image->debug != MagickFalse) |
| 1271 | (void) LogMagickEvent(CoderEvent,GetMagickModule()," putting layers into image list"); |
| 1272 | for (i=0; i < number_layers; i++) |
| 1273 | { |
| 1274 | if (i > 0) |
| 1275 | layer_info[i].image->previous=layer_info[i-1].image; |
| 1276 | if (i < (number_layers-1)) |
| 1277 | layer_info[i].image->next=layer_info[i+1].image; |
| 1278 | layer_info[i].image->page=layer_info[i].page; |
| 1279 | } |
| 1280 | image->next=layer_info[0].image; |
| 1281 | layer_info[0].image->previous=image; |
| 1282 | layer_info=(LayerInfo *) RelinquishMagickMemory(layer_info); |
| 1283 | |
| 1284 | } |
| 1285 | layer_offset-=TellBlob(image); |
| 1286 | offset=SeekBlob(image,layer_offset,SEEK_CUR); |
| 1287 | } |
| 1288 | } |
| 1289 | /* |
| 1290 | Read the precombined layer, present for PSD < 4 compatibility |
| 1291 | */ |
| 1292 | if (image->debug != MagickFalse) |
| 1293 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
| 1294 | " reading the precombined layer"); |
| 1295 | compression=ReadBlobMSBShort(image); |
| 1296 | if (compression == 1) |
| 1297 | { |
| 1298 | /* |
| 1299 | Read Packbit encoded pixel datas separate planes. |
| 1300 | */ |
| 1301 | for (i=0; i < (long) (image->rows*psd_info.channels); i++) |
| 1302 | (void) ReadBlobMSBShort(image); |
| 1303 | for (i=0; i < (long) psd_info.channels; i++) |
| 1304 | (void) DecodeImage(image,(int) i); |
| 1305 | } |
| 1306 | else |
| 1307 | { |
| 1308 | /* |
| 1309 | Read uncompressed pixel data separate planes. |
| 1310 | */ |
| 1311 | packet_size=1; |
| 1312 | if (image->storage_class == PseudoClass) |
| 1313 | { |
| 1314 | if (image->colors > 256) |
| 1315 | packet_size++; |
| 1316 | } |
| 1317 | else |
| 1318 | if (image->depth > 8) |
| 1319 | packet_size++; |
| 1320 | for (i=0; i < (long) psd_info.channels; i++) |
| 1321 | { |
| 1322 | for (y=0; y < (long) image->rows; y++) |
| 1323 | { |
| 1324 | q=GetAuthenticPixels(image,0,y,image->columns,1,exception); |
| 1325 | if (q == (PixelPacket *) NULL) |
| 1326 | break; |
| 1327 | indexes=GetAuthenticIndexQueue(image); |
| 1328 | for (x=0; x < (long) image->columns; x++) |
| 1329 | { |
| 1330 | if (packet_size == 1) |
| 1331 | pixel=(unsigned long) ScaleCharToQuantum((unsigned char) |
| 1332 | ReadBlobByte(image)); |
| 1333 | else |
| 1334 | pixel=(unsigned long) ScaleShortToQuantum( |
| 1335 | ReadBlobMSBShort(image)); |
| 1336 | switch (i) |
| 1337 | { |
| 1338 | case -1: |
| 1339 | { |
| 1340 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1341 | break; |
| 1342 | } |
| 1343 | case 0: |
| 1344 | { |
| 1345 | q->red=(Quantum) pixel; |
cristy | 7e826ea | 2009-10-16 16:49:56 +0000 | [diff] [blame] | 1346 | if (psd_info.channels == 1) |
| 1347 | { |
| 1348 | q->green=q->red; |
| 1349 | q->blue=q->red; |
| 1350 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1351 | if (image->storage_class == PseudoClass) |
| 1352 | { |
| 1353 | if (packet_size == 1) |
| 1354 | indexes[x]=(IndexPacket) ScaleQuantumToChar((Quantum) |
| 1355 | pixel); |
| 1356 | else |
| 1357 | indexes[x]=(IndexPacket) ScaleQuantumToShort((Quantum) |
| 1358 | pixel); |
| 1359 | *q=image->colormap[(long) indexes[x]]; |
| 1360 | q->red=image->colormap[(long) indexes[x]].red; |
| 1361 | q->green=image->colormap[(long) indexes[x]].green; |
| 1362 | q->blue=image->colormap[(long) indexes[x]].blue; |
| 1363 | } |
| 1364 | break; |
| 1365 | } |
| 1366 | case 1: |
| 1367 | { |
| 1368 | if (image->storage_class == PseudoClass) |
| 1369 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1370 | else |
| 1371 | q->green=(Quantum) pixel; |
| 1372 | break; |
| 1373 | } |
| 1374 | case 2: |
| 1375 | { |
| 1376 | q->blue=(Quantum) pixel; |
| 1377 | break; |
| 1378 | } |
| 1379 | case 3: |
| 1380 | { |
| 1381 | if (image->colorspace == CMYKColorspace) |
| 1382 | indexes[x]=(IndexPacket) pixel; |
| 1383 | else |
| 1384 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1385 | break; |
| 1386 | } |
| 1387 | case 4: |
| 1388 | { |
| 1389 | q->opacity=(Quantum) (QuantumRange-pixel); |
| 1390 | break; |
| 1391 | } |
| 1392 | default: |
| 1393 | break; |
| 1394 | } |
| 1395 | q++; |
| 1396 | } |
| 1397 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 1398 | break; |
| 1399 | } |
| 1400 | } |
| 1401 | } |
| 1402 | if (image->colorspace == CMYKColorspace) |
| 1403 | (void) NegateImage(image,MagickFalse); |
| 1404 | (void) CloseBlob(image); |
| 1405 | return(GetFirstImageInList(image)); |
| 1406 | } |
| 1407 | |
| 1408 | /* |
| 1409 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1410 | % % |
| 1411 | % % |
| 1412 | % % |
| 1413 | % R e g i s t e r P S D I m a g e % |
| 1414 | % % |
| 1415 | % % |
| 1416 | % % |
| 1417 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1418 | % |
| 1419 | % RegisterPSDImage() adds properties for the PSD image format to |
| 1420 | % the list of supported formats. The properties include the image format |
| 1421 | % tag, a method to read and/or write the format, whether the format |
| 1422 | % supports the saving of more than one frame to the same file or blob, |
| 1423 | % whether the format supports native in-memory I/O, and a brief |
| 1424 | % description of the format. |
| 1425 | % |
| 1426 | % The format of the RegisterPSDImage method is: |
| 1427 | % |
| 1428 | % unsigned long RegisterPSDImage(void) |
| 1429 | % |
| 1430 | */ |
| 1431 | ModuleExport unsigned long RegisterPSDImage(void) |
| 1432 | { |
| 1433 | MagickInfo |
| 1434 | *entry; |
| 1435 | |
| 1436 | entry=SetMagickInfo("PSD"); |
| 1437 | entry->decoder=(DecodeImageHandler *) ReadPSDImage; |
| 1438 | entry->encoder=(EncodeImageHandler *) WritePSDImage; |
| 1439 | entry->magick=(IsImageFormatHandler *) IsPSD; |
| 1440 | entry->description=ConstantString("Adobe Photoshop bitmap"); |
| 1441 | entry->module=ConstantString("PSD"); |
| 1442 | (void) RegisterMagickInfo(entry); |
| 1443 | return(MagickImageCoderSignature); |
| 1444 | } |
| 1445 | |
| 1446 | /* |
| 1447 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1448 | % % |
| 1449 | % % |
| 1450 | % % |
| 1451 | % U n r e g i s t e r P S D I m a g e % |
| 1452 | % % |
| 1453 | % % |
| 1454 | % % |
| 1455 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1456 | % |
| 1457 | % UnregisterPSDImage() removes format registrations made by the |
| 1458 | % PSD module from the list of supported formats. |
| 1459 | % |
| 1460 | % The format of the UnregisterPSDImage method is: |
| 1461 | % |
| 1462 | % UnregisterPSDImage(void) |
| 1463 | % |
| 1464 | */ |
| 1465 | ModuleExport void UnregisterPSDImage(void) |
| 1466 | { |
| 1467 | (void) UnregisterMagickInfo("PSD"); |
| 1468 | } |
| 1469 | |
| 1470 | /* |
| 1471 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1472 | % % |
| 1473 | % % |
| 1474 | % % |
| 1475 | % W r i t e P S D I m a g e % |
| 1476 | % % |
| 1477 | % % |
| 1478 | % % |
| 1479 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1480 | % |
| 1481 | % WritePSDImage() writes an image in the Adobe Photoshop encoded image |
| 1482 | % format. |
| 1483 | % |
| 1484 | % The format of the WritePSDImage method is: |
| 1485 | % |
| 1486 | % MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image) |
| 1487 | % |
| 1488 | % A description of each parameter follows. |
| 1489 | % |
| 1490 | % o image_info: the image info. |
| 1491 | % |
| 1492 | % o image: The image. |
| 1493 | % |
| 1494 | % |
| 1495 | */ |
| 1496 | |
| 1497 | static void WriteOneChannel(const ImageInfo *image_info,Image *image, |
| 1498 | Image *tmp_image,unsigned char *pixels,QuantumType quantum_type, |
| 1499 | const MagickBooleanType compression_flag) |
| 1500 | { |
| 1501 | int |
| 1502 | y; |
| 1503 | |
| 1504 | QuantumInfo |
| 1505 | *quantum_info; |
| 1506 | |
| 1507 | register const PixelPacket |
| 1508 | *p; |
| 1509 | |
| 1510 | size_t |
| 1511 | packet_size; |
| 1512 | |
| 1513 | if (compression_flag) |
| 1514 | (void) WriteBlobMSBShort(image,0); /* compression */ |
| 1515 | if (tmp_image->depth > 8) |
| 1516 | tmp_image->depth=16; |
| 1517 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 1518 | packet_size=tmp_image->depth > 8UL ? 2UL : 1UL; |
| 1519 | for (y=0; y < (long) tmp_image->rows; y++) |
| 1520 | { |
| 1521 | p=GetVirtualPixels(tmp_image,0,y,tmp_image->columns,1,&image->exception); |
| 1522 | if (p == (const PixelPacket *) NULL) |
| 1523 | break; |
| 1524 | (void) ExportQuantumPixels(tmp_image,(CacheView *) NULL,quantum_info, |
| 1525 | quantum_type,pixels,&image->exception); |
| 1526 | (void) WriteBlob(image,packet_size*tmp_image->columns,pixels); |
| 1527 | } |
| 1528 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1529 | } |
| 1530 | |
| 1531 | static MagickBooleanType WriteImageChannels(const ImageInfo *image_info, |
| 1532 | Image *image,Image *tmp_image,const MagickBooleanType separate) |
| 1533 | { |
| 1534 | int |
| 1535 | i; |
| 1536 | |
| 1537 | size_t |
| 1538 | channels, |
| 1539 | packet_size; |
| 1540 | |
| 1541 | unsigned char |
| 1542 | *pixels; |
| 1543 | |
| 1544 | /* |
| 1545 | Write uncompressed pixel datas separate planes. |
| 1546 | */ |
| 1547 | channels=1; |
| 1548 | if ((tmp_image->storage_class == PseudoClass) && |
| 1549 | (tmp_image->matte == MagickFalse)) |
| 1550 | channels++; |
| 1551 | packet_size=tmp_image->depth > 8UL ? 2UL : 1UL; |
| 1552 | pixels=(unsigned char *) AcquireQuantumMemory(channels*tmp_image->columns, |
| 1553 | packet_size*sizeof(*pixels)); |
| 1554 | if (pixels == (unsigned char *) NULL) |
| 1555 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1556 | i=0; |
| 1557 | if (tmp_image->storage_class == PseudoClass) |
| 1558 | { |
| 1559 | if (tmp_image->matte == MagickFalse) |
| 1560 | WriteOneChannel(image_info,image,tmp_image,pixels,IndexQuantum, |
| 1561 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1562 | else |
| 1563 | WriteOneChannel(image_info,image,tmp_image,pixels,IndexAlphaQuantum, |
| 1564 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1565 | } |
| 1566 | else |
| 1567 | { |
| 1568 | if (tmp_image->colorspace == CMYKColorspace) |
| 1569 | (void) NegateImage(image,MagickFalse); |
| 1570 | if (tmp_image->matte) |
| 1571 | WriteOneChannel(image_info,image,tmp_image,pixels,AlphaQuantum, |
| 1572 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1573 | WriteOneChannel(image_info,image,tmp_image,pixels,RedQuantum, |
| 1574 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1575 | WriteOneChannel(image_info,image,tmp_image,pixels,GreenQuantum, |
| 1576 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1577 | WriteOneChannel(image_info,image,tmp_image,pixels,BlueQuantum, |
| 1578 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1579 | if (tmp_image->colorspace == CMYKColorspace) |
| 1580 | { |
| 1581 | WriteOneChannel(image_info,image,tmp_image,pixels,BlackQuantum, |
| 1582 | (i++ == 0) || (separate != MagickFalse) ? MagickTrue : MagickFalse); |
| 1583 | (void) NegateImage(image,MagickFalse); |
| 1584 | } |
| 1585 | } |
| 1586 | pixels=(unsigned char *) RelinquishMagickMemory(pixels); |
| 1587 | return(MagickTrue); |
| 1588 | } |
| 1589 | |
| 1590 | /* Write white background, RLE-compressed */ |
| 1591 | |
| 1592 | static void WriteWhiteBackground( Image* image ) |
| 1593 | { |
| 1594 | long w8, w; |
| 1595 | char *d, scanline[256]; |
| 1596 | |
| 1597 | int numChannels = 3, dim = (int) (image->rows*numChannels); |
| 1598 | |
| 1599 | register long |
| 1600 | i; |
| 1601 | |
| 1602 | size_t |
| 1603 | length; |
| 1604 | |
| 1605 | unsigned short |
| 1606 | bytecount; |
| 1607 | |
| 1608 | (void) WriteBlobMSBShort(image,1); /* RLE compressed */ |
| 1609 | w8 = (long) image->columns; |
| 1610 | d = scanline; |
| 1611 | /* Set up scanline */ |
| 1612 | for (w=w8; w > 128; w-=128) |
| 1613 | { |
| 1614 | *d++=(-127); |
| 1615 | *d++=(char) 255; |
| 1616 | } |
| 1617 | switch (w) |
| 1618 | { |
| 1619 | case 0: |
| 1620 | break; |
| 1621 | case 1: |
| 1622 | *d++=0; |
| 1623 | *d++=(char) 255; |
| 1624 | break; |
| 1625 | default: |
| 1626 | *d++=(char) (1-w); |
| 1627 | *d++=(char) 255; |
| 1628 | break; |
| 1629 | } |
| 1630 | bytecount = d - scanline; |
| 1631 | |
| 1632 | /* Scanline counts (rows*channels) */ |
| 1633 | for (i=0; i < dim; i++) |
| 1634 | { |
| 1635 | (void) WriteBlobMSBShort(image,bytecount); |
| 1636 | } |
| 1637 | |
| 1638 | /* RLE compressed data */ |
| 1639 | length = bytecount; |
| 1640 | for (i=0; i < dim; i++) |
| 1641 | { |
| 1642 | (void) WriteBlob( image, length, (unsigned char *) scanline ); |
| 1643 | } |
| 1644 | |
| 1645 | } |
| 1646 | |
| 1647 | static void WritePascalString(Image* inImage,const char *inString,int inPad) |
| 1648 | { |
| 1649 | size_t |
| 1650 | strLength; |
| 1651 | int i; |
| 1652 | |
| 1653 | /* max length is 255 */ |
| 1654 | |
| 1655 | strLength = (strlen(inString) > 255UL ) ? 255UL : strlen(inString); |
| 1656 | |
| 1657 | if ( strLength != 0 ) |
| 1658 | { |
| 1659 | (void) WriteBlobByte(inImage,(unsigned char) strLength); |
| 1660 | (void) WriteBlob(inImage, strLength, (const unsigned char *) inString); |
| 1661 | } |
| 1662 | else |
| 1663 | (void) WriteBlobByte(inImage, 0); |
| 1664 | |
| 1665 | strLength ++; |
| 1666 | |
| 1667 | if ( (strLength % inPad) == 0 ) |
| 1668 | return; |
| 1669 | for (i=0; i < (long) (inPad-(strLength % inPad)); i++) |
| 1670 | (void) WriteBlobByte(inImage,0); |
| 1671 | } |
| 1672 | |
| 1673 | static void WriteResolutionResourceBlock(Image *image) |
| 1674 | { |
| 1675 | unsigned long |
| 1676 | x_resolution, |
| 1677 | y_resolution; |
| 1678 | |
| 1679 | unsigned short |
| 1680 | units; |
| 1681 | |
| 1682 | x_resolution=65536.0*image->x_resolution+0.5; |
| 1683 | y_resolution=65536.0*image->y_resolution+0.5; |
| 1684 | units=1; |
| 1685 | if (image->units == PixelsPerCentimeterResolution) |
| 1686 | { |
| 1687 | x_resolution=2.54*65536.0*image->x_resolution*0.5; |
| 1688 | y_resolution=2.54*65536.0*image->y_resolution+0.5; |
| 1689 | units=2; |
| 1690 | } |
| 1691 | (void) WriteBlob(image,4,(const unsigned char *) "8BIM"); |
| 1692 | (void) WriteBlobMSBShort(image,0x03ED); |
| 1693 | (void) WriteBlobMSBShort(image,0); |
| 1694 | (void) WriteBlobMSBLong(image,16); /* resource size */ |
| 1695 | (void) WriteBlobMSBLong(image,x_resolution); |
| 1696 | (void) WriteBlobMSBShort(image,units); /* horizontal resolution unit */ |
| 1697 | (void) WriteBlobMSBShort(image,units); /* width unit */ |
| 1698 | (void) WriteBlobMSBLong(image,y_resolution); |
| 1699 | (void) WriteBlobMSBShort(image,units); /* vertical resolution unit */ |
| 1700 | (void) WriteBlobMSBShort(image,units); /* height unit */ |
| 1701 | } |
| 1702 | |
| 1703 | static MagickBooleanType WritePSDImage(const ImageInfo *image_info,Image *image) |
| 1704 | { |
| 1705 | const char |
| 1706 | *theAttr; |
| 1707 | |
| 1708 | const StringInfo |
| 1709 | *profile; |
| 1710 | |
| 1711 | MagickBooleanType |
| 1712 | force_white_background = image->matte, |
| 1713 | invert_layer_count = MagickFalse, |
| 1714 | status; |
| 1715 | |
| 1716 | register long |
| 1717 | i; |
| 1718 | |
| 1719 | size_t |
| 1720 | num_channels, |
| 1721 | packet_size; |
| 1722 | |
| 1723 | unsigned char |
| 1724 | layer_name[4]; |
| 1725 | |
| 1726 | unsigned long |
| 1727 | channel_size, |
| 1728 | channelLength, |
| 1729 | layer_count, |
| 1730 | layer_info_size, |
| 1731 | rounded_layer_info_size, |
| 1732 | res_extra; |
| 1733 | |
| 1734 | Image |
| 1735 | * tmp_image = (Image *) NULL, |
| 1736 | * base_image = force_white_background ? image : GetNextImageInList(image); |
| 1737 | |
| 1738 | /* |
| 1739 | Open output image file. |
| 1740 | */ |
| 1741 | assert(image_info != (const ImageInfo *) NULL); |
| 1742 | assert(image_info->signature == MagickSignature); |
| 1743 | assert(image != (Image *) NULL); |
| 1744 | assert(image->signature == MagickSignature); |
| 1745 | if (image->debug != MagickFalse) |
| 1746 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1747 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| 1748 | if (status == MagickFalse) |
| 1749 | return(status); |
| 1750 | packet_size=(size_t) (image->depth > 8 ? 6 : 3); |
| 1751 | if (image->matte != MagickFalse) |
| 1752 | packet_size+=image->depth > 8 ? 2 : 1; |
| 1753 | (void) WriteBlob(image,4,(const unsigned char *) "8BPS"); |
| 1754 | (void) WriteBlobMSBShort(image,1); /* version */ |
| 1755 | for ( i=1; i<=6; i++) |
| 1756 | (void) WriteBlobByte(image, 0); /* 6 bytes of reserved */ |
| 1757 | if ( force_white_background ) |
| 1758 | num_channels = 3; |
| 1759 | else |
| 1760 | { |
| 1761 | if (image->storage_class == PseudoClass) |
| 1762 | num_channels=(image->matte ? 2UL : 1UL); |
| 1763 | else |
| 1764 | { |
| 1765 | if (image->colorspace != CMYKColorspace) |
| 1766 | num_channels=(image->matte ? 4UL : 3UL); |
| 1767 | else |
| 1768 | num_channels=(image->matte ? 5UL : 4UL); |
| 1769 | } |
| 1770 | } |
| 1771 | (void) WriteBlobMSBShort(image,(unsigned short) num_channels); |
| 1772 | (void) WriteBlobMSBLong(image,image->rows); |
| 1773 | (void) WriteBlobMSBLong(image,image->columns); |
| 1774 | (void) WriteBlobMSBShort(image,(unsigned short) |
| 1775 | (image->storage_class == PseudoClass ? 8 : image->depth > 8 ? 16 : 8)); |
| 1776 | if (((image->colorspace != UndefinedColorspace) || |
| 1777 | (image->colorspace != CMYKColorspace)) && |
| 1778 | (image->colorspace != CMYKColorspace)) |
| 1779 | { |
| 1780 | if (image->colorspace != RGBColorspace) |
| 1781 | (void) TransformImageColorspace(image,RGBColorspace); |
| 1782 | (void) WriteBlobMSBShort(image,(unsigned short) |
| 1783 | (image->storage_class == PseudoClass ? 2 : 3)); |
| 1784 | } |
| 1785 | else |
| 1786 | { |
| 1787 | if (image->colorspace != RGBColorspace) |
| 1788 | (void) TransformImageColorspace(image,CMYKColorspace); |
| 1789 | (void) WriteBlobMSBShort(image,4); |
| 1790 | } |
| 1791 | if ((image->storage_class == DirectClass) || (image->colors > 256)) |
| 1792 | (void) WriteBlobMSBLong(image,0); |
| 1793 | else |
| 1794 | { |
| 1795 | /* |
| 1796 | Write PSD raster colormap. |
| 1797 | */ |
| 1798 | (void) WriteBlobMSBLong(image,768); |
| 1799 | for (i=0; i < (long) image->colors; i++) |
| 1800 | (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].red)); |
| 1801 | for ( ; i < 256; i++) |
| 1802 | (void) WriteBlobByte(image,0); |
| 1803 | for (i=0; i < (long) image->colors; i++) |
| 1804 | (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].green)); |
| 1805 | for ( ; i < 256; i++) |
| 1806 | (void) WriteBlobByte(image,0); |
| 1807 | for (i=0; i < (long) image->colors; i++) |
| 1808 | (void) WriteBlobByte(image,ScaleQuantumToChar(image->colormap[i].blue)); |
| 1809 | for ( ; i < 256; i++) |
| 1810 | (void) WriteBlobByte(image,0); |
| 1811 | } |
| 1812 | /* |
| 1813 | Image resource block. |
| 1814 | */ |
| 1815 | res_extra = 28; /* 0x03EB */ |
| 1816 | profile=GetImageProfile(image,"8bim"); |
| 1817 | if (profile == (StringInfo *) NULL) |
| 1818 | WriteBlobMSBLong(image, res_extra); |
| 1819 | else |
| 1820 | { |
| 1821 | (void) WriteBlobMSBLong(image,(unsigned long) res_extra + |
| 1822 | GetStringInfoLength(profile)); |
| 1823 | (void) WriteBlob(image,GetStringInfoLength(profile),GetStringInfoDatum( |
| 1824 | profile)); |
| 1825 | } |
| 1826 | WriteResolutionResourceBlock(image); |
| 1827 | |
| 1828 | compute_layer_info: |
| 1829 | layer_count = 0; |
| 1830 | layer_info_size = 2; |
| 1831 | tmp_image = base_image; |
| 1832 | while ( tmp_image != NULL ) { |
| 1833 | packet_size=tmp_image->depth > 8 ? 2UL : 1UL; |
| 1834 | |
| 1835 | if (tmp_image->storage_class == PseudoClass) |
| 1836 | num_channels = (tmp_image->matte != MagickFalse ? 2UL : 1UL); |
| 1837 | else |
| 1838 | if (tmp_image->colorspace != CMYKColorspace) |
| 1839 | num_channels = (tmp_image->matte != MagickFalse ? 4UL : 3UL); |
| 1840 | else |
| 1841 | num_channels = (tmp_image->matte != MagickFalse ? 5UL : 4UL); |
| 1842 | |
| 1843 | channelLength=(unsigned long) (tmp_image->columns * tmp_image->rows * packet_size + 2); |
| 1844 | layer_info_size += (unsigned long) (4*4 + 2 + num_channels * 6 + 4 + 4 + 4 * 1 + 4 + 12 + num_channels * channelLength); |
| 1845 | |
| 1846 | layer_count++; |
| 1847 | tmp_image = GetNextImageInList(tmp_image); |
| 1848 | } |
| 1849 | |
| 1850 | /* if the image has a matte, then we need to use layers */ |
| 1851 | if ( layer_count == 0 && image->matte == MagickTrue ) |
| 1852 | { |
| 1853 | invert_layer_count = MagickTrue; |
| 1854 | base_image = image; |
| 1855 | goto compute_layer_info; /* yes, goto's suck, but it keeps the code cleaner! */ |
| 1856 | } |
| 1857 | |
| 1858 | if ( layer_count == 0 ) |
| 1859 | (void) WriteBlobMSBLong(image, 0); |
| 1860 | else |
| 1861 | { |
| 1862 | (void) WriteBlobMSBLong(image,layer_info_size+4+4); |
| 1863 | if ( layer_info_size/2 != (layer_info_size+1)/2 ) /* odd */ |
| 1864 | rounded_layer_info_size = layer_info_size + 1; |
| 1865 | else |
| 1866 | rounded_layer_info_size = layer_info_size; |
| 1867 | (void) WriteBlobMSBLong(image,rounded_layer_info_size); |
| 1868 | |
| 1869 | if ( invert_layer_count ) |
| 1870 | layer_count *= -1; /* if we have a matte, then use negative count! */ |
| 1871 | (void) WriteBlobMSBShort(image,(unsigned short) layer_count); |
| 1872 | |
| 1873 | layer_count = 1; |
| 1874 | tmp_image = base_image; |
| 1875 | while ( tmp_image != NULL ) { |
| 1876 | (void) WriteBlobMSBLong(image,0); |
| 1877 | (void) WriteBlobMSBLong(image,0); |
| 1878 | (void) WriteBlobMSBLong(image,tmp_image->rows); |
| 1879 | (void) WriteBlobMSBLong(image,tmp_image->columns); |
| 1880 | |
| 1881 | packet_size=tmp_image->depth > 8 ? 2UL : 1UL; |
| 1882 | channel_size=(unsigned int) ((packet_size*tmp_image->rows*tmp_image->columns)+2); |
| 1883 | if (tmp_image->storage_class == PseudoClass) { |
| 1884 | (void) WriteBlobMSBShort(image,(unsigned short) |
| 1885 | (tmp_image->matte ? 2 : 1)); |
| 1886 | if (tmp_image->matte) { |
| 1887 | (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| 1888 | (void) WriteBlobMSBLong(image,channel_size); |
| 1889 | } |
| 1890 | (void) WriteBlobMSBShort(image, 0); |
| 1891 | (void) WriteBlobMSBLong(image, channel_size); |
| 1892 | } else |
| 1893 | if (tmp_image->colorspace != CMYKColorspace) |
| 1894 | { |
| 1895 | (void) WriteBlobMSBShort(image,(unsigned short) |
| 1896 | (tmp_image->matte ? 4 : 3)); |
| 1897 | if (tmp_image->matte) { |
| 1898 | (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| 1899 | (void) WriteBlobMSBLong(image,channel_size); |
| 1900 | } |
| 1901 | (void) WriteBlobMSBShort(image, 0); |
| 1902 | (void) WriteBlobMSBLong(image, channel_size); |
| 1903 | (void) WriteBlobMSBShort(image, 1); |
| 1904 | (void) WriteBlobMSBLong(image, channel_size); |
| 1905 | (void) WriteBlobMSBShort(image, 2); |
| 1906 | (void) WriteBlobMSBLong(image, channel_size); |
| 1907 | } |
| 1908 | else |
| 1909 | { |
| 1910 | (void) WriteBlobMSBShort(image,(unsigned short) |
| 1911 | (tmp_image->matte ? 5 : 4)); |
| 1912 | if (tmp_image->matte) { |
| 1913 | (void) WriteBlobMSBShort(image,(unsigned short) -1); |
| 1914 | (void) WriteBlobMSBLong(image,channel_size); |
| 1915 | } |
| 1916 | (void) WriteBlobMSBShort(image, 0); |
| 1917 | (void) WriteBlobMSBLong(image, channel_size); |
| 1918 | (void) WriteBlobMSBShort(image, 1); |
| 1919 | (void) WriteBlobMSBLong(image, channel_size); |
| 1920 | (void) WriteBlobMSBShort(image, 2); |
| 1921 | (void) WriteBlobMSBLong(image, channel_size); |
| 1922 | (void) WriteBlobMSBShort(image, 3); |
| 1923 | (void) WriteBlobMSBLong(image, channel_size); |
| 1924 | } |
| 1925 | |
| 1926 | (void) WriteBlob(image, 4, (const unsigned char *) "8BIM"); |
| 1927 | (void) WriteBlob(image, 4, (const unsigned char *) CompositeOperatorToPSDBlendMode(tmp_image->compose)); |
| 1928 | (void) WriteBlobByte(image, 255); /* BOGUS: layer opacity */ |
| 1929 | (void) WriteBlobByte(image, 0); |
| 1930 | (void) WriteBlobByte(image, 1); /* BOGUS: layer attributes - visible, etc. */ |
| 1931 | (void) WriteBlobByte(image, 0); |
| 1932 | |
| 1933 | (void) WriteBlobMSBLong(image, 12); |
| 1934 | (void) WriteBlobMSBLong(image, 0); |
| 1935 | (void) WriteBlobMSBLong(image, 0); |
| 1936 | |
| 1937 | theAttr=(const char *) GetImageProperty(tmp_image,"label"); |
| 1938 | if (theAttr) { |
| 1939 | WritePascalString( image, theAttr, 4 ); |
| 1940 | /* |
| 1941 | sprintf((char *) &(layer_name[1]), "%4s", theAttr->value ); |
| 1942 | (void) WriteBlobByte(image, 3); |
| 1943 | (void) WriteBlob(image, 3, &layer_name[1]); |
| 1944 | */ |
| 1945 | } else { |
| 1946 | (void) FormatMagickString((char *) layer_name,MaxTextExtent,"L%02ld", |
| 1947 | layer_count++ ); |
| 1948 | WritePascalString( image, (char*)layer_name, 4 ); |
| 1949 | } |
| 1950 | tmp_image = GetNextImageInList(tmp_image); |
| 1951 | }; |
| 1952 | |
| 1953 | /* now the image data! */ |
| 1954 | tmp_image = base_image; |
| 1955 | while ( tmp_image != NULL ) { |
| 1956 | status=WriteImageChannels(image_info,image,tmp_image,MagickTrue); |
| 1957 | |
| 1958 | /* add in the pad! */ |
| 1959 | if ( rounded_layer_info_size != layer_info_size ) |
| 1960 | (void) WriteBlobByte(image,'\0'); |
| 1961 | |
| 1962 | tmp_image = GetNextImageInList(tmp_image); |
| 1963 | }; |
| 1964 | |
| 1965 | /* user mask data */ |
| 1966 | (void) WriteBlobMSBLong(image, 0); |
| 1967 | |
| 1968 | } |
| 1969 | |
| 1970 | /* now the background image data! */ |
| 1971 | if (force_white_background != MagickFalse) |
| 1972 | WriteWhiteBackground(image); |
| 1973 | else |
| 1974 | status=WriteImageChannels(image_info,image,image,MagickFalse); |
| 1975 | |
| 1976 | (void) CloseBlob(image); |
| 1977 | return(status); |
| 1978 | } |