cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % PPPP N N M M % |
| 7 | % P P NN N MM MM % |
| 8 | % PPPP N N N M M M % |
| 9 | % P N NN M M % |
| 10 | % P N N M M % |
| 11 | % % |
| 12 | % % |
| 13 | % Read/Write PBMPlus Portable Anymap Image Format % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
cristy | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 20 | % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
| 42 | #include "magick/studio.h" |
| 43 | #include "magick/blob.h" |
| 44 | #include "magick/blob-private.h" |
| 45 | #include "magick/cache.h" |
| 46 | #include "magick/color.h" |
| 47 | #include "magick/color-private.h" |
| 48 | #include "magick/colorspace.h" |
| 49 | #include "magick/exception.h" |
| 50 | #include "magick/exception-private.h" |
| 51 | #include "magick/image.h" |
| 52 | #include "magick/image-private.h" |
| 53 | #include "magick/list.h" |
| 54 | #include "magick/magick.h" |
| 55 | #include "magick/memory_.h" |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 56 | #include "magick/module.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 57 | #include "magick/monitor.h" |
| 58 | #include "magick/monitor-private.h" |
| 59 | #include "magick/pixel-private.h" |
| 60 | #include "magick/property.h" |
| 61 | #include "magick/quantum-private.h" |
| 62 | #include "magick/static.h" |
| 63 | #include "magick/statistic.h" |
| 64 | #include "magick/string_.h" |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 65 | #include "magick/string-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 66 | |
| 67 | /* |
| 68 | Forward declarations. |
| 69 | */ |
| 70 | static MagickBooleanType |
| 71 | WritePNMImage(const ImageInfo *,Image *); |
| 72 | |
| 73 | /* |
| 74 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 75 | % % |
| 76 | % % |
| 77 | % % |
| 78 | % I s P N M % |
| 79 | % % |
| 80 | % % |
| 81 | % % |
| 82 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 83 | % |
| 84 | % IsPNM() returns MagickTrue if the image format type, identified by the |
| 85 | % magick string, is PNM. |
| 86 | % |
| 87 | % The format of the IsPNM method is: |
| 88 | % |
| 89 | % MagickBooleanType IsPNM(const unsigned char *magick,const size_t extent) |
| 90 | % |
| 91 | % A description of each parameter follows: |
| 92 | % |
| 93 | % o magick: compare image format pattern against these bytes. |
| 94 | % |
| 95 | % o extent: Specifies the extent of the magick string. |
| 96 | % |
| 97 | */ |
| 98 | static MagickBooleanType IsPNM(const unsigned char *magick,const size_t extent) |
| 99 | { |
| 100 | if (extent < 2) |
| 101 | return(MagickFalse); |
| 102 | if ((*magick == (unsigned char) 'P') && |
| 103 | ((magick[1] == '1') || (magick[1] == '2') || (magick[1] == '3') || |
| 104 | (magick[1] == '4') || (magick[1] == '5') || (magick[1] == '6') || |
| 105 | (magick[1] == '7') || (magick[1] == 'F') || (magick[1] == 'f'))) |
| 106 | return(MagickTrue); |
| 107 | return(MagickFalse); |
| 108 | } |
| 109 | |
| 110 | /* |
| 111 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 112 | % % |
| 113 | % % |
| 114 | % % |
| 115 | % R e a d P N M I m a g e % |
| 116 | % % |
| 117 | % % |
| 118 | % % |
| 119 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 120 | % |
| 121 | % ReadPNMImage() reads a Portable Anymap image file and returns it. |
| 122 | % It allocates the memory necessary for the new Image structure and returns |
| 123 | % a pointer to the new image. |
| 124 | % |
| 125 | % The format of the ReadPNMImage method is: |
| 126 | % |
| 127 | % Image *ReadPNMImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 128 | % |
| 129 | % A description of each parameter follows: |
| 130 | % |
| 131 | % o image_info: the image info. |
| 132 | % |
| 133 | % o exception: return any errors or warnings in this structure. |
| 134 | % |
| 135 | */ |
| 136 | |
| 137 | static inline long ConstrainPixel(Image *image,const long offset, |
| 138 | const unsigned long extent) |
| 139 | { |
| 140 | if ((offset < 0) || (offset > (long) extent)) |
| 141 | { |
| 142 | (void) ThrowMagickException(&image->exception,GetMagickModule(), |
| 143 | CorruptImageError,"InvalidPixel","`%s'",image->filename); |
| 144 | return(0); |
| 145 | } |
| 146 | return(offset); |
| 147 | } |
| 148 | |
| 149 | static unsigned long PNMInteger(Image *image,const unsigned int base) |
| 150 | { |
| 151 | char |
| 152 | *comment; |
| 153 | |
| 154 | int |
| 155 | c; |
| 156 | |
| 157 | register char |
| 158 | *p; |
| 159 | |
| 160 | size_t |
| 161 | extent; |
| 162 | |
| 163 | unsigned long |
| 164 | value; |
| 165 | |
| 166 | /* |
| 167 | Skip any leading whitespace. |
| 168 | */ |
| 169 | extent=MaxTextExtent; |
| 170 | comment=(char *) NULL; |
| 171 | p=comment; |
| 172 | do |
| 173 | { |
| 174 | c=ReadBlobByte(image); |
| 175 | if (c == EOF) |
| 176 | return(0); |
| 177 | if (c == (int) '#') |
| 178 | { |
| 179 | /* |
| 180 | Read comment. |
| 181 | */ |
| 182 | if (comment == (char *) NULL) |
| 183 | comment=AcquireString((char *) NULL); |
| 184 | p=comment+strlen(comment); |
| 185 | for ( ; (c != EOF) && (c != (int) '\n'); p++) |
| 186 | { |
| 187 | if ((size_t) (p-comment+1) >= extent) |
| 188 | { |
| 189 | extent<<=1; |
| 190 | comment=(char *) ResizeQuantumMemory(comment,extent+MaxTextExtent, |
| 191 | sizeof(*comment)); |
| 192 | if (comment == (char *) NULL) |
| 193 | break; |
| 194 | p=comment+strlen(comment); |
| 195 | } |
| 196 | c=ReadBlobByte(image); |
| 197 | *p=(char) c; |
| 198 | *(p+1)='\0'; |
| 199 | } |
| 200 | if (comment == (char *) NULL) |
| 201 | return(0); |
| 202 | continue; |
| 203 | } |
| 204 | } while (isdigit(c) == MagickFalse); |
| 205 | if (comment != (char *) NULL) |
| 206 | { |
| 207 | (void) SetImageProperty(image,"comment",comment); |
| 208 | comment=DestroyString(comment); |
| 209 | } |
| 210 | if (base == 2) |
| 211 | return((unsigned long) (c-(int) '0')); |
| 212 | /* |
| 213 | Evaluate number. |
| 214 | */ |
| 215 | value=0; |
| 216 | do |
| 217 | { |
| 218 | value*=10; |
| 219 | value+=c-(int) '0'; |
| 220 | c=ReadBlobByte(image); |
| 221 | if (c == EOF) |
| 222 | return(value); |
| 223 | } while (isdigit(c) != MagickFalse); |
| 224 | return(value); |
| 225 | } |
| 226 | |
| 227 | static Image *ReadPNMImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 228 | { |
| 229 | char |
| 230 | format; |
| 231 | |
| 232 | double |
| 233 | quantum_scale; |
| 234 | |
| 235 | Image |
| 236 | *image; |
| 237 | |
| 238 | long |
| 239 | row, |
| 240 | y; |
| 241 | |
| 242 | MagickBooleanType |
| 243 | status; |
| 244 | |
| 245 | Quantum |
| 246 | *scale; |
| 247 | |
| 248 | QuantumInfo |
| 249 | *quantum_info; |
| 250 | |
| 251 | QuantumType |
| 252 | quantum_type; |
| 253 | |
| 254 | register long |
| 255 | i; |
| 256 | |
| 257 | size_t |
| 258 | extent, |
| 259 | packet_size; |
| 260 | |
| 261 | ssize_t |
| 262 | count; |
| 263 | |
| 264 | unsigned long |
| 265 | depth, |
| 266 | max_value; |
| 267 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 268 | /* |
| 269 | Open image file. |
| 270 | */ |
| 271 | assert(image_info != (const ImageInfo *) NULL); |
| 272 | assert(image_info->signature == MagickSignature); |
| 273 | if (image_info->debug != MagickFalse) |
| 274 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 275 | image_info->filename); |
| 276 | assert(exception != (ExceptionInfo *) NULL); |
| 277 | assert(exception->signature == MagickSignature); |
| 278 | image=AcquireImage(image_info); |
| 279 | status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); |
| 280 | if (status == MagickFalse) |
| 281 | { |
| 282 | image=DestroyImageList(image); |
| 283 | return((Image *) NULL); |
| 284 | } |
| 285 | /* |
| 286 | Read PNM image. |
| 287 | */ |
| 288 | count=ReadBlob(image,1,(unsigned char *) &format); |
| 289 | do |
| 290 | { |
| 291 | /* |
| 292 | Initialize image structure. |
| 293 | */ |
| 294 | if ((count != 1) || (format != 'P')) |
| 295 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 296 | max_value=1; |
| 297 | quantum_type=RGBQuantum; |
| 298 | quantum_scale=1.0; |
| 299 | format=(char) ReadBlobByte(image); |
| 300 | if (format != '7') |
| 301 | { |
| 302 | /* |
| 303 | PBM, PGM, PPM, and PNM. |
| 304 | */ |
| 305 | image->columns=PNMInteger(image,10); |
| 306 | image->rows=PNMInteger(image,10); |
| 307 | if ((format == 'f') || (format == 'F')) |
| 308 | { |
| 309 | char |
| 310 | scale[MaxTextExtent]; |
| 311 | |
| 312 | (void) ReadBlobString(image,scale); |
cristy | f2f2727 | 2009-12-17 14:48:46 +0000 | [diff] [blame] | 313 | quantum_scale=StringToDouble(scale); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 314 | } |
| 315 | else |
| 316 | { |
| 317 | if ((format == '1') || (format == '4')) |
| 318 | max_value=1; /* bitmap */ |
| 319 | else |
| 320 | max_value=PNMInteger(image,10); |
| 321 | } |
| 322 | } |
| 323 | else |
| 324 | { |
| 325 | char |
| 326 | keyword[MaxTextExtent], |
| 327 | value[MaxTextExtent]; |
| 328 | |
| 329 | int |
| 330 | c; |
| 331 | |
| 332 | register char |
| 333 | *p; |
| 334 | |
| 335 | /* |
| 336 | PAM. |
| 337 | */ |
| 338 | for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image)) |
| 339 | { |
| 340 | while (isspace((int) ((unsigned char) c)) != 0) |
| 341 | c=ReadBlobByte(image); |
| 342 | p=keyword; |
| 343 | do |
| 344 | { |
| 345 | if ((size_t) (p-keyword) < (MaxTextExtent-1)) |
| 346 | *p++=c; |
| 347 | c=ReadBlobByte(image); |
| 348 | } while (isalnum(c)); |
| 349 | *p='\0'; |
| 350 | if (LocaleCompare(keyword,"endhdr") == 0) |
| 351 | break; |
| 352 | while (isspace((int) ((unsigned char) c)) != 0) |
| 353 | c=ReadBlobByte(image); |
| 354 | p=value; |
| 355 | while (isalnum(c) || (c == '_')) |
| 356 | { |
| 357 | if ((size_t) (p-value) < (MaxTextExtent-1)) |
| 358 | *p++=c; |
| 359 | c=ReadBlobByte(image); |
| 360 | } |
| 361 | *p='\0'; |
| 362 | /* |
| 363 | Assign a value to the specified keyword. |
| 364 | */ |
| 365 | if (LocaleCompare(keyword,"depth") == 0) |
cristy | e27293e | 2009-12-18 02:53:20 +0000 | [diff] [blame] | 366 | packet_size=StringToUnsignedLong(value); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 367 | if (LocaleCompare(keyword,"height") == 0) |
cristy | e27293e | 2009-12-18 02:53:20 +0000 | [diff] [blame] | 368 | image->rows=StringToUnsignedLong(value); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 369 | if (LocaleCompare(keyword,"maxval") == 0) |
cristy | e27293e | 2009-12-18 02:53:20 +0000 | [diff] [blame] | 370 | max_value=StringToUnsignedLong(value); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 371 | if (LocaleCompare(keyword,"TUPLTYPE") == 0) |
| 372 | { |
| 373 | if (LocaleCompare(value,"BLACKANDWHITE") == 0) |
| 374 | quantum_type=GrayQuantum; |
| 375 | if (LocaleCompare(value,"BLACKANDWHITE_ALPHA") == 0) |
| 376 | { |
| 377 | quantum_type=GrayAlphaQuantum; |
| 378 | image->matte=MagickTrue; |
| 379 | } |
| 380 | if (LocaleCompare(value,"GRAYSCALE") == 0) |
| 381 | quantum_type=GrayQuantum; |
| 382 | if (LocaleCompare(value,"GRAYSCALE_ALPHA") == 0) |
| 383 | { |
| 384 | quantum_type=GrayAlphaQuantum; |
| 385 | image->matte=MagickTrue; |
| 386 | } |
| 387 | if (LocaleCompare(value,"RGB_ALPHA") == 0) |
| 388 | { |
| 389 | quantum_type=RGBAQuantum; |
| 390 | image->matte=MagickTrue; |
| 391 | } |
| 392 | if (LocaleCompare(value,"CMYK") == 0) |
| 393 | { |
| 394 | quantum_type=CMYKQuantum; |
| 395 | image->colorspace=CMYKColorspace; |
| 396 | } |
| 397 | if (LocaleCompare(value,"CMYK_ALPHA") == 0) |
| 398 | { |
| 399 | quantum_type=CMYKAQuantum; |
| 400 | image->colorspace=CMYKColorspace; |
| 401 | image->matte=MagickTrue; |
| 402 | } |
| 403 | } |
| 404 | if (LocaleCompare(keyword,"width") == 0) |
cristy | e27293e | 2009-12-18 02:53:20 +0000 | [diff] [blame] | 405 | image->columns=StringToUnsignedLong(value); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 406 | } |
| 407 | } |
| 408 | if ((image->columns == 0) || (image->rows == 0)) |
| 409 | ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize"); |
| 410 | if (max_value >= 65536) |
| 411 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 412 | for (depth=1; GetQuantumRange(depth) < max_value; depth++) ; |
| 413 | image->depth=depth; |
| 414 | if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) |
| 415 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 416 | break; |
| 417 | /* |
| 418 | Convert PNM pixels to runextent-encoded MIFF packets. |
| 419 | */ |
| 420 | status=MagickTrue; |
| 421 | row=0; |
| 422 | switch (format) |
| 423 | { |
| 424 | case '1': |
| 425 | { |
| 426 | /* |
| 427 | Convert PBM image to pixel packets. |
| 428 | */ |
| 429 | for (y=0; y < (long) image->rows; y++) |
| 430 | { |
| 431 | register long |
| 432 | x; |
| 433 | |
| 434 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 435 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 436 | |
| 437 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| 438 | if (q == (PixelPacket *) NULL) |
| 439 | break; |
| 440 | for (x=0; x < (long) image->columns; x++) |
| 441 | { |
| 442 | q->red=(Quantum) (PNMInteger(image,2) == 0 ? QuantumRange : 0); |
| 443 | q->green=q->red; |
| 444 | q->blue=q->red; |
| 445 | q++; |
| 446 | } |
| 447 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 448 | break; |
| 449 | if (image->previous == (Image *) NULL) |
| 450 | { |
| 451 | status=SetImageProgress(image,LoadImageTag,y,image->rows); |
| 452 | if (status == MagickFalse) |
| 453 | break; |
| 454 | } |
| 455 | } |
| 456 | image->type=BilevelType; |
| 457 | break; |
| 458 | } |
| 459 | case '2': |
| 460 | { |
| 461 | unsigned long |
| 462 | intensity; |
| 463 | |
| 464 | /* |
| 465 | Convert PGM image to pixel packets. |
| 466 | */ |
| 467 | scale=(Quantum *) NULL; |
| 468 | if (max_value != (1U*QuantumRange)) |
| 469 | { |
| 470 | /* |
| 471 | Compute pixel scaling table. |
| 472 | */ |
| 473 | scale=(Quantum *) AcquireQuantumMemory((size_t) max_value+1UL, |
| 474 | sizeof(*scale)); |
| 475 | if (scale == (Quantum *) NULL) |
| 476 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 477 | for (i=0; i <= (long) max_value; i++) |
| 478 | scale[i]=(Quantum) (((double) QuantumRange*i)/max_value+0.5); |
| 479 | } |
| 480 | for (y=0; y < (long) image->rows; y++) |
| 481 | { |
| 482 | register long |
| 483 | x; |
| 484 | |
| 485 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 486 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 487 | |
| 488 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| 489 | if (q == (PixelPacket *) NULL) |
| 490 | break; |
| 491 | for (x=0; x < (long) image->columns; x++) |
| 492 | { |
| 493 | intensity=PNMInteger(image,10); |
| 494 | if (scale != (Quantum *) NULL) |
| 495 | intensity=(unsigned long) scale[ConstrainPixel(image,(long) |
| 496 | intensity,max_value)]; |
| 497 | q->red=(Quantum) intensity; |
| 498 | q->green=q->red; |
| 499 | q->blue=q->red; |
| 500 | q++; |
| 501 | } |
| 502 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 503 | break; |
| 504 | if (image->previous == (Image *) NULL) |
| 505 | { |
| 506 | status=SetImageProgress(image,LoadImageTag,y,image->rows); |
| 507 | if (status == MagickFalse) |
| 508 | break; |
| 509 | } |
| 510 | } |
| 511 | image->type=GrayscaleType; |
| 512 | if (scale != (Quantum *) NULL) |
| 513 | scale=(Quantum *) RelinquishMagickMemory(scale); |
| 514 | break; |
| 515 | } |
| 516 | case '3': |
| 517 | { |
| 518 | MagickPixelPacket |
| 519 | pixel; |
| 520 | |
| 521 | /* |
| 522 | Convert PNM image to pixel packets. |
| 523 | */ |
| 524 | scale=(Quantum *) NULL; |
| 525 | if (max_value != (1U*QuantumRange)) |
| 526 | { |
| 527 | /* |
| 528 | Compute pixel scaling table. |
| 529 | */ |
| 530 | scale=(Quantum *) AcquireQuantumMemory((size_t) max_value+1UL, |
| 531 | sizeof(*scale)); |
| 532 | if (scale == (Quantum *) NULL) |
| 533 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 534 | for (i=0; i <= (long) max_value; i++) |
| 535 | scale[i]=(Quantum) (((double) QuantumRange*i)/max_value+0.5); |
| 536 | } |
| 537 | for (y=0; y < (long) image->rows; y++) |
| 538 | { |
| 539 | register long |
| 540 | x; |
| 541 | |
| 542 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 543 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 544 | |
| 545 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
| 546 | if (q == (PixelPacket *) NULL) |
| 547 | break; |
| 548 | for (x=0; x < (long) image->columns; x++) |
| 549 | { |
| 550 | pixel.red=(MagickRealType) PNMInteger(image,10); |
| 551 | pixel.green=(MagickRealType) PNMInteger(image,10); |
| 552 | pixel.blue=(MagickRealType) PNMInteger(image,10); |
| 553 | if (scale != (Quantum *) NULL) |
| 554 | { |
| 555 | pixel.red=(MagickRealType) scale[ConstrainPixel(image,(long) |
| 556 | pixel.red,max_value)]; |
| 557 | pixel.green=(MagickRealType) scale[ConstrainPixel(image,(long) |
| 558 | pixel.green,max_value)]; |
| 559 | pixel.blue=(MagickRealType) scale[ConstrainPixel(image,(long) |
| 560 | pixel.blue,max_value)]; |
| 561 | } |
| 562 | q->red=(Quantum) pixel.red; |
| 563 | q->green=(Quantum) pixel.green; |
| 564 | q->blue=(Quantum) pixel.blue; |
| 565 | q++; |
| 566 | } |
| 567 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
| 568 | break; |
| 569 | if (image->previous == (Image *) NULL) |
| 570 | { |
| 571 | status=SetImageProgress(image,LoadImageTag,y,image->rows); |
| 572 | if (status == MagickFalse) |
| 573 | break; |
| 574 | } |
| 575 | } |
| 576 | if (scale != (Quantum *) NULL) |
| 577 | scale=(Quantum *) RelinquishMagickMemory(scale); |
| 578 | break; |
| 579 | } |
| 580 | case '4': |
| 581 | { |
| 582 | /* |
| 583 | Convert PBM raw image to pixel packets. |
| 584 | */ |
| 585 | quantum_type=GrayQuantum; |
| 586 | if (image->storage_class == PseudoClass) |
| 587 | quantum_type=IndexQuantum; |
| 588 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 589 | if (quantum_info == (QuantumInfo *) NULL) |
| 590 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 591 | SetQuantumMinIsWhite(quantum_info,MagickTrue); |
| 592 | extent=GetQuantumExtent(image,quantum_info,quantum_type); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 593 | for (y=0; y < (long) image->rows; y++) |
| 594 | { |
| 595 | long |
| 596 | offset; |
| 597 | |
| 598 | MagickBooleanType |
| 599 | sync; |
| 600 | |
| 601 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 602 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 603 | |
| 604 | ssize_t |
| 605 | count; |
| 606 | |
| 607 | size_t |
| 608 | length; |
| 609 | |
| 610 | unsigned char |
| 611 | *pixels; |
| 612 | |
| 613 | if (status == MagickFalse) |
| 614 | continue; |
| 615 | pixels=GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 616 | { |
| 617 | count=ReadBlob(image,extent,pixels); |
| 618 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 619 | (image->previous == (Image *) NULL)) |
| 620 | { |
| 621 | MagickBooleanType |
| 622 | proceed; |
| 623 | |
| 624 | proceed=SetImageProgress(image,LoadImageTag,row,image->rows); |
| 625 | if (proceed == MagickFalse) |
| 626 | status=MagickFalse; |
| 627 | } |
| 628 | offset=row++; |
| 629 | } |
| 630 | if (count != (ssize_t) extent) |
| 631 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 632 | q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 633 | if (q == (PixelPacket *) NULL) |
| 634 | { |
| 635 | status=MagickFalse; |
| 636 | continue; |
| 637 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 638 | length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| 639 | quantum_type,pixels,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 640 | if (length != extent) |
| 641 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 642 | sync=SyncAuthenticPixels(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 643 | if (sync == MagickFalse) |
| 644 | status=MagickFalse; |
| 645 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 646 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 647 | if (status == MagickFalse) |
| 648 | ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| 649 | SetQuantumImageType(image,quantum_type); |
| 650 | break; |
| 651 | } |
| 652 | case '5': |
| 653 | { |
| 654 | QuantumAny |
| 655 | range; |
| 656 | |
| 657 | /* |
| 658 | Convert PGM raw image to pixel packets. |
| 659 | */ |
| 660 | range=GetQuantumRange(image->depth); |
| 661 | quantum_type=GrayQuantum; |
| 662 | extent=(image->depth <= 8 ? 1 : 2)*image->columns; |
| 663 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 664 | if (quantum_info == (QuantumInfo *) NULL) |
| 665 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 666 | for (y=0; y < (long) image->rows; y++) |
| 667 | { |
| 668 | long |
| 669 | offset; |
| 670 | |
| 671 | MagickBooleanType |
| 672 | sync; |
| 673 | |
| 674 | register const unsigned char |
cristy | 3f2302b | 2010-03-11 03:16:37 +0000 | [diff] [blame] | 675 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 676 | |
| 677 | register long |
| 678 | x; |
| 679 | |
| 680 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 681 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 682 | |
| 683 | ssize_t |
| 684 | count; |
| 685 | |
| 686 | unsigned char |
| 687 | *pixels; |
| 688 | |
| 689 | if (status == MagickFalse) |
| 690 | continue; |
| 691 | pixels=GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 692 | { |
| 693 | count=ReadBlob(image,extent,pixels); |
| 694 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 695 | (image->previous == (Image *) NULL)) |
| 696 | { |
| 697 | MagickBooleanType |
| 698 | proceed; |
| 699 | |
| 700 | proceed=SetImageProgress(image,LoadImageTag,row,image->rows); |
| 701 | if (proceed == MagickFalse) |
| 702 | status=MagickFalse; |
| 703 | } |
| 704 | offset=row++; |
| 705 | } |
| 706 | if (count != (ssize_t) extent) |
| 707 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 708 | q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 709 | if (q == (PixelPacket *) NULL) |
| 710 | { |
| 711 | status=MagickFalse; |
| 712 | continue; |
| 713 | } |
| 714 | p=pixels; |
| 715 | if ((image->depth == 8) || (image->depth == 16)) |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 716 | (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 717 | quantum_type,pixels,exception); |
| 718 | else |
| 719 | if (image->depth <= 8) |
| 720 | { |
| 721 | unsigned char |
| 722 | pixel; |
| 723 | |
| 724 | for (x=0; x < (long) image->columns; x++) |
| 725 | { |
| 726 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 727 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 728 | q->green=q->red; |
| 729 | q->blue=q->red; |
| 730 | q++; |
| 731 | } |
| 732 | } |
| 733 | else |
| 734 | { |
| 735 | unsigned short |
| 736 | pixel; |
| 737 | |
| 738 | for (x=0; x < (long) image->columns; x++) |
| 739 | { |
| 740 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 741 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 742 | q->green=q->red; |
| 743 | q->blue=q->red; |
| 744 | q++; |
| 745 | } |
| 746 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 747 | sync=SyncAuthenticPixels(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 748 | if (sync == MagickFalse) |
| 749 | status=MagickFalse; |
| 750 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 751 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 752 | if (status == MagickFalse) |
| 753 | ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| 754 | SetQuantumImageType(image,quantum_type); |
| 755 | break; |
| 756 | } |
| 757 | case '6': |
| 758 | { |
| 759 | ImageType |
| 760 | type; |
| 761 | |
| 762 | QuantumAny |
| 763 | range; |
| 764 | |
| 765 | /* |
| 766 | Convert PNM raster image to pixel packets. |
| 767 | */ |
| 768 | type=BilevelType; |
| 769 | quantum_type=RGBQuantum; |
| 770 | extent=3*(image->depth <= 8 ? 1 : 2)*image->columns; |
| 771 | range=GetQuantumRange(image->depth); |
| 772 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 773 | if (quantum_info == (QuantumInfo *) NULL) |
| 774 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 775 | for (y=0; y < (long) image->rows; y++) |
| 776 | { |
| 777 | long |
| 778 | offset; |
| 779 | |
| 780 | MagickBooleanType |
| 781 | sync; |
| 782 | |
| 783 | register const unsigned char |
cristy | 3f2302b | 2010-03-11 03:16:37 +0000 | [diff] [blame] | 784 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 785 | |
| 786 | register long |
| 787 | x; |
| 788 | |
| 789 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 790 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 791 | |
| 792 | ssize_t |
| 793 | count; |
| 794 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 795 | unsigned char |
| 796 | *pixels; |
| 797 | |
| 798 | if (status == MagickFalse) |
| 799 | continue; |
| 800 | pixels=GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 801 | { |
| 802 | count=ReadBlob(image,extent,pixels); |
| 803 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 804 | (image->previous == (Image *) NULL)) |
| 805 | { |
| 806 | MagickBooleanType |
| 807 | proceed; |
| 808 | |
| 809 | proceed=SetImageProgress(image,LoadImageTag,row,image->rows); |
| 810 | if (proceed == MagickFalse) |
| 811 | status=MagickFalse; |
| 812 | } |
| 813 | offset=row++; |
| 814 | } |
| 815 | if (count != (ssize_t) extent) |
| 816 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 817 | q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 818 | if (q == (PixelPacket *) NULL) |
| 819 | { |
| 820 | status=MagickFalse; |
| 821 | continue; |
| 822 | } |
| 823 | p=pixels; |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 824 | if (image->depth == 8) |
| 825 | for (x=0; x < (long) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 826 | { |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 827 | q->red=ScaleCharToQuantum(*p++); |
| 828 | q->green=ScaleCharToQuantum(*p++); |
| 829 | q->blue=ScaleCharToQuantum(*p++); |
| 830 | q->opacity=OpaqueOpacity; |
| 831 | q++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 832 | } |
| 833 | else |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 834 | if (image->depth == 16) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 835 | { |
| 836 | unsigned short |
| 837 | pixel; |
| 838 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 839 | for (x=0; x < (long) image->columns; x++) |
| 840 | { |
| 841 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 842 | q->red=ScaleShortToQuantum(pixel); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 843 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 844 | q->green=ScaleShortToQuantum(pixel); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 845 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 846 | q->blue=ScaleShortToQuantum(pixel); |
| 847 | q->opacity=OpaqueOpacity; |
| 848 | q++; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 849 | } |
| 850 | } |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 851 | else |
| 852 | if (image->depth <= 8) |
| 853 | { |
| 854 | unsigned char |
| 855 | pixel; |
| 856 | |
| 857 | for (x=0; x < (long) image->columns; x++) |
| 858 | { |
| 859 | p=PushCharPixel(p,&pixel); |
| 860 | q->red=ScaleAnyToQuantum(pixel,range); |
| 861 | p=PushCharPixel(p,&pixel); |
| 862 | q->green=ScaleAnyToQuantum(pixel,range); |
| 863 | p=PushCharPixel(p,&pixel); |
| 864 | q->blue=ScaleAnyToQuantum(pixel,range); |
| 865 | q->opacity=OpaqueOpacity; |
| 866 | q++; |
| 867 | } |
| 868 | } |
| 869 | else |
| 870 | { |
| 871 | unsigned short |
| 872 | pixel; |
| 873 | |
| 874 | for (x=0; x < (long) image->columns; x++) |
| 875 | { |
| 876 | p=PushShortPixel(MSBEndian,p,&pixel); |
| 877 | q->red=ScaleAnyToQuantum(pixel,range); |
| 878 | p=PushShortPixel(MSBEndian,p,&pixel); |
| 879 | q->green=ScaleAnyToQuantum(pixel,range); |
| 880 | p=PushShortPixel(MSBEndian,p,&pixel); |
| 881 | q->blue=ScaleAnyToQuantum(pixel,range); |
| 882 | q->opacity=OpaqueOpacity; |
| 883 | q++; |
| 884 | } |
| 885 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 886 | if ((type == BilevelType) || (type == GrayscaleType)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 887 | { |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 888 | q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
cristy | e90d740 | 2010-03-14 18:21:29 +0000 | [diff] [blame] | 889 | for (x=0; x < (long) image->columns; x++) |
| 890 | { |
| 891 | if ((type == BilevelType) && |
| 892 | (IsMonochromePixel(q) == MagickFalse)) |
| 893 | type=IsGrayPixel(q) == MagickFalse ? UndefinedType : |
| 894 | GrayscaleType; |
| 895 | if ((type == GrayscaleType) && (IsGrayPixel(q) == MagickFalse)) |
| 896 | type=UndefinedType; |
| 897 | if ((type != BilevelType) && (type != GrayscaleType)) |
| 898 | break; |
| 899 | q++; |
| 900 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 901 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 902 | sync=SyncAuthenticPixels(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 903 | if (sync == MagickFalse) |
| 904 | status=MagickFalse; |
| 905 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 906 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 907 | if (status == MagickFalse) |
| 908 | ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| 909 | if (type != UndefinedType) |
| 910 | image->type=type; |
| 911 | break; |
| 912 | } |
| 913 | case '7': |
| 914 | { |
| 915 | register IndexPacket |
| 916 | *indexes; |
| 917 | |
| 918 | QuantumAny |
| 919 | range; |
| 920 | |
| 921 | unsigned long |
| 922 | channels; |
| 923 | |
| 924 | /* |
| 925 | Convert PAM raster image to pixel packets. |
| 926 | */ |
| 927 | range=GetQuantumRange(image->depth); |
| 928 | switch (quantum_type) |
| 929 | { |
| 930 | case GrayQuantum: |
| 931 | case GrayAlphaQuantum: |
| 932 | { |
| 933 | channels=1; |
| 934 | break; |
| 935 | } |
| 936 | case CMYKQuantum: |
| 937 | case CMYKAQuantum: |
| 938 | { |
| 939 | channels=4; |
| 940 | break; |
| 941 | } |
| 942 | default: |
| 943 | { |
| 944 | channels=3; |
| 945 | break; |
| 946 | } |
| 947 | } |
| 948 | if (image->matte != MagickFalse) |
| 949 | channels++; |
| 950 | extent=channels*(image->depth <= 8 ? 1 : 2)*image->columns; |
| 951 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 952 | if (quantum_info == (QuantumInfo *) NULL) |
| 953 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 954 | for (y=0; y < (long) image->rows; y++) |
| 955 | { |
| 956 | long |
| 957 | offset; |
| 958 | |
| 959 | MagickBooleanType |
| 960 | sync; |
| 961 | |
| 962 | register const unsigned char |
cristy | 3f2302b | 2010-03-11 03:16:37 +0000 | [diff] [blame] | 963 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 964 | |
| 965 | register long |
| 966 | x; |
| 967 | |
| 968 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 969 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 970 | |
| 971 | ssize_t |
| 972 | count; |
| 973 | |
| 974 | unsigned char |
| 975 | *pixels; |
| 976 | |
| 977 | if (status == MagickFalse) |
| 978 | continue; |
| 979 | pixels=GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 980 | { |
| 981 | count=ReadBlob(image,extent,pixels); |
| 982 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 983 | (image->previous == (Image *) NULL)) |
| 984 | { |
| 985 | MagickBooleanType |
| 986 | proceed; |
| 987 | |
| 988 | proceed=SetImageProgress(image,LoadImageTag,row,image->rows); |
| 989 | if (proceed == MagickFalse) |
| 990 | status=MagickFalse; |
| 991 | } |
| 992 | offset=row++; |
| 993 | } |
| 994 | if (count != (ssize_t) extent) |
| 995 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 996 | q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 997 | if (q == (PixelPacket *) NULL) |
| 998 | { |
| 999 | status=MagickFalse; |
| 1000 | continue; |
| 1001 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1002 | indexes=GetAuthenticIndexQueue(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1003 | p=pixels; |
| 1004 | if ((image->depth == 8) || (image->depth == 16)) |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1005 | (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1006 | quantum_type,pixels,exception); |
| 1007 | else |
| 1008 | switch (quantum_type) |
| 1009 | { |
| 1010 | case GrayQuantum: |
| 1011 | case GrayAlphaQuantum: |
| 1012 | { |
| 1013 | if (image->depth <= 8) |
| 1014 | { |
| 1015 | unsigned char |
| 1016 | pixel; |
| 1017 | |
| 1018 | for (x=0; x < (long) image->columns; x++) |
| 1019 | { |
| 1020 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1021 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1022 | q->green=q->red; |
| 1023 | q->blue=q->red; |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1024 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1025 | if (image->matte != MagickFalse) |
| 1026 | { |
| 1027 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1028 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1029 | } |
| 1030 | q++; |
| 1031 | } |
| 1032 | } |
| 1033 | else |
| 1034 | { |
| 1035 | unsigned short |
| 1036 | pixel; |
| 1037 | |
| 1038 | for (x=0; x < (long) image->columns; x++) |
| 1039 | { |
| 1040 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1041 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1042 | q->green=q->red; |
| 1043 | q->blue=q->red; |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1044 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1045 | if (image->matte != MagickFalse) |
| 1046 | { |
| 1047 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1048 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1049 | } |
| 1050 | q++; |
| 1051 | } |
| 1052 | } |
| 1053 | break; |
| 1054 | } |
| 1055 | case CMYKQuantum: |
| 1056 | case CMYKAQuantum: |
| 1057 | { |
| 1058 | if (image->depth <= 8) |
| 1059 | { |
| 1060 | unsigned char |
| 1061 | pixel; |
| 1062 | |
| 1063 | for (x=0; x < (long) image->columns; x++) |
| 1064 | { |
| 1065 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1066 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1067 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1068 | SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1069 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1070 | SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1071 | p=PushCharPixel(p,&pixel); |
| 1072 | indexes[x]=ScaleAnyToQuantum(pixel,range); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1073 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1074 | if (image->matte != MagickFalse) |
| 1075 | { |
| 1076 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1077 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1078 | } |
| 1079 | q++; |
| 1080 | } |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | unsigned short |
| 1085 | pixel; |
| 1086 | |
| 1087 | for (x=0; x < (long) image->columns; x++) |
| 1088 | { |
| 1089 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1090 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1091 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1092 | SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1093 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1094 | SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1095 | p=PushShortPixel(MSBEndian,p,&pixel); |
| 1096 | indexes[x]=ScaleAnyToQuantum(pixel,range); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1097 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1098 | if (image->matte != MagickFalse) |
| 1099 | { |
| 1100 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1101 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1102 | } |
| 1103 | q++; |
| 1104 | } |
| 1105 | } |
| 1106 | break; |
| 1107 | } |
| 1108 | default: |
| 1109 | { |
| 1110 | if (image->depth <= 8) |
| 1111 | { |
| 1112 | unsigned char |
| 1113 | pixel; |
| 1114 | |
| 1115 | for (x=0; x < (long) image->columns; x++) |
| 1116 | { |
| 1117 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1118 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1119 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1120 | SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1121 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1122 | SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| 1123 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1124 | if (image->matte != MagickFalse) |
| 1125 | { |
| 1126 | p=PushCharPixel(p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1127 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1128 | } |
| 1129 | q++; |
| 1130 | } |
| 1131 | } |
| 1132 | else |
| 1133 | { |
| 1134 | unsigned short |
| 1135 | pixel; |
| 1136 | |
| 1137 | for (x=0; x < (long) image->columns; x++) |
| 1138 | { |
| 1139 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1140 | SetRedPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1141 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1142 | SetGreenPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1143 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1144 | SetBluePixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
| 1145 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1146 | if (image->matte != MagickFalse) |
| 1147 | { |
| 1148 | p=PushShortPixel(MSBEndian,p,&pixel); |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1149 | SetOpacityPixelComponent(q,ScaleAnyToQuantum(pixel,range)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1150 | } |
| 1151 | q++; |
| 1152 | } |
| 1153 | } |
| 1154 | break; |
| 1155 | } |
| 1156 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1157 | sync=SyncAuthenticPixels(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1158 | if (sync == MagickFalse) |
| 1159 | status=MagickFalse; |
| 1160 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1161 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1162 | if (status == MagickFalse) |
| 1163 | ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| 1164 | SetQuantumImageType(image,quantum_type); |
| 1165 | break; |
| 1166 | } |
| 1167 | case 'F': |
| 1168 | case 'f': |
| 1169 | { |
| 1170 | /* |
| 1171 | Convert PFM raster image to pixel packets. |
| 1172 | */ |
| 1173 | quantum_type=format == 'f' ? GrayQuantum : RGBQuantum; |
| 1174 | image->endian=quantum_scale < 0.0 ? LSBEndian : MSBEndian; |
| 1175 | image->depth=32; |
| 1176 | quantum_info=AcquireQuantumInfo(image_info,image); |
| 1177 | if (quantum_info == (QuantumInfo *) NULL) |
| 1178 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1179 | status=SetQuantumDepth(image,quantum_info,32); |
| 1180 | if (status == MagickFalse) |
| 1181 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1182 | status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat); |
| 1183 | if (status == MagickFalse) |
| 1184 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1185 | SetQuantumScale(quantum_info,(MagickRealType) QuantumRange* |
| 1186 | fabs(quantum_scale)); |
| 1187 | extent=GetQuantumExtent(image,quantum_info,quantum_type); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1188 | for (y=0; y < (long) image->rows; y++) |
| 1189 | { |
| 1190 | long |
| 1191 | offset; |
| 1192 | |
| 1193 | MagickBooleanType |
| 1194 | sync; |
| 1195 | |
| 1196 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1197 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1198 | |
| 1199 | ssize_t |
| 1200 | count; |
| 1201 | |
| 1202 | size_t |
| 1203 | length; |
| 1204 | |
| 1205 | unsigned char |
| 1206 | *pixels; |
| 1207 | |
| 1208 | if (status == MagickFalse) |
| 1209 | continue; |
| 1210 | pixels=GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1211 | { |
| 1212 | count=ReadBlob(image,extent,pixels); |
| 1213 | if ((image->progress_monitor != (MagickProgressMonitor) NULL) && |
| 1214 | (image->previous == (Image *) NULL)) |
| 1215 | { |
| 1216 | MagickBooleanType |
| 1217 | proceed; |
| 1218 | |
| 1219 | proceed=SetImageProgress(image,LoadImageTag,row,image->rows); |
| 1220 | if (proceed == MagickFalse) |
| 1221 | status=MagickFalse; |
| 1222 | } |
| 1223 | offset=row++; |
| 1224 | } |
| 1225 | if ((size_t) count != extent) |
| 1226 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1227 | q=QueueAuthenticPixels(image,0,(long) (image->rows-offset-1), |
| 1228 | image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1229 | if (q == (PixelPacket *) NULL) |
| 1230 | { |
| 1231 | status=MagickFalse; |
| 1232 | continue; |
| 1233 | } |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1234 | length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| 1235 | quantum_type,pixels,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1236 | if (length != extent) |
| 1237 | status=MagickFalse; |
cristy | aa74011 | 2010-03-30 17:58:44 +0000 | [diff] [blame] | 1238 | sync=SyncAuthenticPixels(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1239 | if (sync == MagickFalse) |
| 1240 | status=MagickFalse; |
| 1241 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1242 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1243 | if (status == MagickFalse) |
| 1244 | ThrowReaderException(CorruptImageError,"UnableToReadImageData"); |
| 1245 | SetQuantumImageType(image,quantum_type); |
| 1246 | break; |
| 1247 | } |
| 1248 | default: |
| 1249 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 1250 | } |
| 1251 | if (EOFBlob(image) != MagickFalse) |
| 1252 | (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, |
| 1253 | "UnexpectedEndOfFile","`%s'",image->filename); |
| 1254 | /* |
| 1255 | Proceed to next image. |
| 1256 | */ |
| 1257 | if (image_info->number_scenes != 0) |
| 1258 | if (image->scene >= (image_info->scene+image_info->number_scenes-1)) |
| 1259 | break; |
| 1260 | if ((format == '1') || (format == '2') || (format == '3')) |
| 1261 | do |
| 1262 | { |
| 1263 | /* |
| 1264 | Skip to end of line. |
| 1265 | */ |
| 1266 | count=ReadBlob(image,1,(unsigned char *) &format); |
| 1267 | if (count == 0) |
| 1268 | break; |
| 1269 | if ((count != 0) && (format == 'P')) |
| 1270 | break; |
| 1271 | } while (format != '\n'); |
| 1272 | count=ReadBlob(image,1,(unsigned char *) &format); |
| 1273 | if ((count == 1) && (format == 'P')) |
| 1274 | { |
| 1275 | /* |
| 1276 | Allocate next image structure. |
| 1277 | */ |
| 1278 | AcquireNextImage(image_info,image); |
| 1279 | if (GetNextImageInList(image) == (Image *) NULL) |
| 1280 | { |
| 1281 | image=DestroyImageList(image); |
| 1282 | return((Image *) NULL); |
| 1283 | } |
| 1284 | image=SyncNextImageInList(image); |
| 1285 | status=SetImageProgress(image,LoadImagesTag,TellBlob(image), |
| 1286 | GetBlobSize(image)); |
| 1287 | if (status == MagickFalse) |
| 1288 | break; |
| 1289 | } |
| 1290 | } while ((count == 1) && (format == 'P')); |
| 1291 | (void) CloseBlob(image); |
| 1292 | return(GetFirstImageInList(image)); |
| 1293 | } |
| 1294 | |
| 1295 | /* |
| 1296 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1297 | % % |
| 1298 | % % |
| 1299 | % % |
| 1300 | % R e g i s t e r P N M I m a g e % |
| 1301 | % % |
| 1302 | % % |
| 1303 | % % |
| 1304 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1305 | % |
| 1306 | % RegisterPNMImage() adds properties for the PNM image format to |
| 1307 | % the list of supported formats. The properties include the image format |
| 1308 | % tag, a method to read and/or write the format, whether the format |
| 1309 | % supports the saving of more than one frame to the same file or blob, |
| 1310 | % whether the format supports native in-memory I/O, and a brief |
| 1311 | % description of the format. |
| 1312 | % |
| 1313 | % The format of the RegisterPNMImage method is: |
| 1314 | % |
| 1315 | % unsigned long RegisterPNMImage(void) |
| 1316 | % |
| 1317 | */ |
| 1318 | ModuleExport unsigned long RegisterPNMImage(void) |
| 1319 | { |
| 1320 | MagickInfo |
| 1321 | *entry; |
| 1322 | |
| 1323 | entry=SetMagickInfo("PAM"); |
| 1324 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1325 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1326 | entry->description=ConstantString("Common 2-dimensional bitmap format"); |
| 1327 | entry->module=ConstantString("PNM"); |
| 1328 | (void) RegisterMagickInfo(entry); |
| 1329 | entry=SetMagickInfo("PBM"); |
| 1330 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1331 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1332 | entry->description=ConstantString("Portable bitmap format (black and white)"); |
| 1333 | entry->module=ConstantString("PNM"); |
| 1334 | (void) RegisterMagickInfo(entry); |
| 1335 | entry=SetMagickInfo("PFM"); |
| 1336 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1337 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1338 | entry->description=ConstantString("Portable float format"); |
| 1339 | entry->module=ConstantString("PFM"); |
| 1340 | (void) RegisterMagickInfo(entry); |
| 1341 | entry=SetMagickInfo("PGM"); |
| 1342 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1343 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1344 | entry->description=ConstantString("Portable graymap format (gray scale)"); |
| 1345 | entry->module=ConstantString("PNM"); |
| 1346 | (void) RegisterMagickInfo(entry); |
| 1347 | entry=SetMagickInfo("PNM"); |
| 1348 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1349 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1350 | entry->magick=(IsImageFormatHandler *) IsPNM; |
| 1351 | entry->description=ConstantString("Portable anymap"); |
| 1352 | entry->module=ConstantString("PNM"); |
| 1353 | (void) RegisterMagickInfo(entry); |
| 1354 | entry=SetMagickInfo("PPM"); |
| 1355 | entry->decoder=(DecodeImageHandler *) ReadPNMImage; |
| 1356 | entry->encoder=(EncodeImageHandler *) WritePNMImage; |
| 1357 | entry->description=ConstantString("Portable pixmap format (color)"); |
| 1358 | entry->module=ConstantString("PNM"); |
| 1359 | (void) RegisterMagickInfo(entry); |
| 1360 | return(MagickImageCoderSignature); |
| 1361 | } |
| 1362 | |
| 1363 | /* |
| 1364 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1365 | % % |
| 1366 | % % |
| 1367 | % % |
| 1368 | % U n r e g i s t e r P N M I m a g e % |
| 1369 | % % |
| 1370 | % % |
| 1371 | % % |
| 1372 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1373 | % |
| 1374 | % UnregisterPNMImage() removes format registrations made by the |
| 1375 | % PNM module from the list of supported formats. |
| 1376 | % |
| 1377 | % The format of the UnregisterPNMImage method is: |
| 1378 | % |
| 1379 | % UnregisterPNMImage(void) |
| 1380 | % |
| 1381 | */ |
| 1382 | ModuleExport void UnregisterPNMImage(void) |
| 1383 | { |
| 1384 | (void) UnregisterMagickInfo("PAM"); |
| 1385 | (void) UnregisterMagickInfo("PBM"); |
| 1386 | (void) UnregisterMagickInfo("PGM"); |
| 1387 | (void) UnregisterMagickInfo("PNM"); |
| 1388 | (void) UnregisterMagickInfo("PPM"); |
| 1389 | } |
| 1390 | |
| 1391 | /* |
| 1392 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1393 | % % |
| 1394 | % % |
| 1395 | % % |
| 1396 | % W r i t e P N M I m a g e % |
| 1397 | % % |
| 1398 | % % |
| 1399 | % % |
| 1400 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1401 | % |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1402 | % WritePNMImage() writes an image to a file in the PNM rasterfile format. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1403 | % |
| 1404 | % The format of the WritePNMImage method is: |
| 1405 | % |
| 1406 | % MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image) |
| 1407 | % |
| 1408 | % A description of each parameter follows. |
| 1409 | % |
| 1410 | % o image_info: the image info. |
| 1411 | % |
| 1412 | % o image: The image. |
| 1413 | % |
| 1414 | */ |
| 1415 | static MagickBooleanType WritePNMImage(const ImageInfo *image_info,Image *image) |
| 1416 | { |
| 1417 | char |
| 1418 | buffer[MaxTextExtent], |
| 1419 | format, |
| 1420 | magick[MaxTextExtent]; |
| 1421 | |
| 1422 | const char |
| 1423 | *value; |
| 1424 | |
| 1425 | IndexPacket |
| 1426 | index; |
| 1427 | |
| 1428 | long |
| 1429 | y; |
| 1430 | |
| 1431 | MagickBooleanType |
| 1432 | status; |
| 1433 | |
| 1434 | MagickOffsetType |
| 1435 | scene; |
| 1436 | |
| 1437 | QuantumAny |
| 1438 | pixel; |
| 1439 | |
| 1440 | QuantumInfo |
| 1441 | *quantum_info; |
| 1442 | |
| 1443 | QuantumType |
| 1444 | quantum_type; |
| 1445 | |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1446 | register long |
| 1447 | i; |
| 1448 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1449 | register unsigned char |
| 1450 | *pixels, |
| 1451 | *q; |
| 1452 | |
| 1453 | ssize_t |
| 1454 | count; |
| 1455 | |
| 1456 | size_t |
| 1457 | extent, |
| 1458 | packet_size; |
| 1459 | |
| 1460 | /* |
| 1461 | Open output image file. |
| 1462 | */ |
| 1463 | assert(image_info != (const ImageInfo *) NULL); |
| 1464 | assert(image_info->signature == MagickSignature); |
| 1465 | assert(image != (Image *) NULL); |
| 1466 | assert(image->signature == MagickSignature); |
| 1467 | if (image->debug != MagickFalse) |
| 1468 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1469 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); |
| 1470 | if (status == MagickFalse) |
| 1471 | return(status); |
| 1472 | scene=0; |
| 1473 | do |
| 1474 | { |
| 1475 | /* |
| 1476 | Write PNM file header. |
| 1477 | */ |
| 1478 | packet_size=3; |
| 1479 | quantum_type=RGBQuantum; |
| 1480 | (void) CopyMagickString(magick,image_info->magick,MaxTextExtent); |
| 1481 | switch (magick[1]) |
| 1482 | { |
| 1483 | case 'A': |
| 1484 | case 'a': |
| 1485 | { |
| 1486 | format='7'; |
| 1487 | break; |
| 1488 | } |
| 1489 | case 'B': |
| 1490 | case 'b': |
| 1491 | { |
| 1492 | format='4'; |
| 1493 | if (image_info->compression == NoCompression) |
| 1494 | format='1'; |
| 1495 | break; |
| 1496 | } |
| 1497 | case 'F': |
| 1498 | case 'f': |
| 1499 | { |
| 1500 | format='F'; |
| 1501 | if (IsGrayImage(image,&image->exception) != MagickFalse) |
| 1502 | format='f'; |
| 1503 | break; |
| 1504 | } |
| 1505 | case 'G': |
| 1506 | case 'g': |
| 1507 | { |
| 1508 | format='5'; |
| 1509 | if (image_info->compression == NoCompression) |
| 1510 | format='2'; |
| 1511 | break; |
| 1512 | } |
| 1513 | case 'N': |
| 1514 | case 'n': |
| 1515 | { |
| 1516 | if ((image_info->type != TrueColorType) && |
| 1517 | (IsGrayImage(image,&image->exception) != MagickFalse)) |
| 1518 | { |
| 1519 | format='5'; |
| 1520 | if (image_info->compression == NoCompression) |
| 1521 | format='2'; |
| 1522 | if (IsMonochromeImage(image,&image->exception) != MagickFalse) |
| 1523 | { |
| 1524 | format='4'; |
| 1525 | if (image_info->compression == NoCompression) |
| 1526 | format='1'; |
| 1527 | } |
| 1528 | break; |
| 1529 | } |
| 1530 | } |
| 1531 | default: |
| 1532 | { |
| 1533 | format='6'; |
| 1534 | if (image_info->compression == NoCompression) |
| 1535 | format='3'; |
| 1536 | break; |
| 1537 | } |
| 1538 | } |
| 1539 | (void) FormatMagickString(buffer,MaxTextExtent,"P%c\n",format); |
| 1540 | (void) WriteBlobString(image,buffer); |
| 1541 | value=GetImageProperty(image,"comment"); |
| 1542 | if (value != (const char *) NULL) |
| 1543 | { |
| 1544 | register const char |
| 1545 | *p; |
| 1546 | |
| 1547 | /* |
| 1548 | Write comments to file. |
| 1549 | */ |
| 1550 | (void) WriteBlobByte(image,'#'); |
| 1551 | for (p=value; *p != '\0'; p++) |
| 1552 | { |
| 1553 | (void) WriteBlobByte(image,(unsigned char) *p); |
| 1554 | if ((*p == '\r') && (*(p+1) != '\0')) |
| 1555 | (void) WriteBlobByte(image,'#'); |
| 1556 | if ((*p == '\n') && (*(p+1) != '\0')) |
| 1557 | (void) WriteBlobByte(image,'#'); |
| 1558 | } |
| 1559 | (void) WriteBlobByte(image,'\n'); |
| 1560 | } |
| 1561 | if (format != '7') |
| 1562 | { |
| 1563 | if (image->colorspace != RGBColorspace) |
| 1564 | (void) TransformImageColorspace(image,RGBColorspace); |
| 1565 | (void) FormatMagickString(buffer,MaxTextExtent,"%lu %lu\n", |
| 1566 | image->columns,image->rows); |
| 1567 | (void) WriteBlobString(image,buffer); |
| 1568 | } |
| 1569 | else |
| 1570 | { |
| 1571 | char |
| 1572 | type[MaxTextExtent]; |
| 1573 | |
| 1574 | /* |
| 1575 | PAM header. |
| 1576 | */ |
| 1577 | (void) FormatMagickString(buffer,MaxTextExtent, |
| 1578 | "WIDTH %lu\nHEIGHT %lu\n",image->columns,image->rows); |
| 1579 | (void) WriteBlobString(image,buffer); |
| 1580 | quantum_type=GetQuantumType(image,&image->exception); |
| 1581 | switch (quantum_type) |
| 1582 | { |
| 1583 | case CMYKQuantum: |
| 1584 | case CMYKAQuantum: |
| 1585 | { |
| 1586 | packet_size=4; |
| 1587 | (void) CopyMagickString(type,"CMYK",MaxTextExtent); |
| 1588 | break; |
| 1589 | } |
| 1590 | case GrayQuantum: |
| 1591 | case GrayAlphaQuantum: |
| 1592 | { |
| 1593 | packet_size=1; |
| 1594 | (void) CopyMagickString(type,"GRAYSCALE",MaxTextExtent); |
| 1595 | break; |
| 1596 | } |
| 1597 | default: |
| 1598 | { |
| 1599 | quantum_type=RGBQuantum; |
| 1600 | if (image->matte != MagickFalse) |
| 1601 | quantum_type=RGBAQuantum; |
| 1602 | packet_size=3; |
| 1603 | (void) CopyMagickString(type,"RGB",MaxTextExtent); |
| 1604 | break; |
| 1605 | } |
| 1606 | } |
| 1607 | if (image->matte != MagickFalse) |
| 1608 | { |
| 1609 | packet_size++; |
| 1610 | (void) ConcatenateMagickString(type,"_ALPHA",MaxTextExtent); |
| 1611 | } |
| 1612 | if (image->depth > 16) |
| 1613 | image->depth=16; |
| 1614 | (void) FormatMagickString(buffer,MaxTextExtent, |
| 1615 | "DEPTH %lu\nMAXVAL %lu\n",(unsigned long) packet_size,(unsigned long) |
| 1616 | GetQuantumRange(image->depth)); |
| 1617 | (void) WriteBlobString(image,buffer); |
| 1618 | (void) FormatMagickString(buffer,MaxTextExtent,"TUPLTYPE %s\nENDHDR\n", |
| 1619 | type); |
| 1620 | (void) WriteBlobString(image,buffer); |
| 1621 | } |
| 1622 | /* |
| 1623 | Convert runextent encoded to PNM raster pixels. |
| 1624 | */ |
| 1625 | switch (format) |
| 1626 | { |
| 1627 | case '1': |
| 1628 | { |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1629 | unsigned char |
| 1630 | pixels[2048]; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1631 | |
| 1632 | /* |
| 1633 | Convert image to a PBM image. |
| 1634 | */ |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1635 | q=pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1636 | for (y=0; y < (long) image->rows; y++) |
| 1637 | { |
| 1638 | register const IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1639 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1640 | |
| 1641 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1642 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1643 | |
| 1644 | register long |
| 1645 | x; |
| 1646 | |
| 1647 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1648 | if (p == (const PixelPacket *) NULL) |
| 1649 | break; |
| 1650 | indexes=GetVirtualIndexQueue(image); |
| 1651 | for (x=0; x < (long) image->columns; x++) |
| 1652 | { |
| 1653 | pixel=PixelIntensityToQuantum(p); |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1654 | *q++=(unsigned char) (pixel >= (Quantum) (QuantumRange/2) ? |
| 1655 | '0' : '1'); |
| 1656 | *q++=' '; |
| 1657 | if ((q-pixels+2) >= 80) |
| 1658 | { |
| 1659 | *q++='\n'; |
| 1660 | (void) WriteBlob(image,q-pixels,pixels); |
| 1661 | q=pixels; |
| 1662 | i=0; |
| 1663 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1664 | p++; |
| 1665 | } |
| 1666 | if (image->previous == (Image *) NULL) |
| 1667 | { |
| 1668 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1669 | if (status == MagickFalse) |
| 1670 | break; |
| 1671 | } |
| 1672 | } |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1673 | if (q != pixels) |
| 1674 | { |
| 1675 | *q++='\n'; |
| 1676 | (void) WriteBlob(image,q-pixels,pixels); |
| 1677 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1678 | break; |
| 1679 | } |
| 1680 | case '2': |
| 1681 | { |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1682 | unsigned char |
| 1683 | pixels[2048]; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1684 | |
| 1685 | /* |
| 1686 | Convert image to a PGM image. |
| 1687 | */ |
| 1688 | if (image->depth <= 8) |
| 1689 | (void) WriteBlobString(image,"255\n"); |
| 1690 | else |
| 1691 | (void) WriteBlobString(image,"65535\n"); |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1692 | q=pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1693 | for (y=0; y < (long) image->rows; y++) |
| 1694 | { |
| 1695 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1696 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1697 | |
| 1698 | register long |
| 1699 | x; |
| 1700 | |
| 1701 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1702 | if (p == (const PixelPacket *) NULL) |
| 1703 | break; |
| 1704 | for (x=0; x < (long) image->columns; x++) |
| 1705 | { |
| 1706 | index=PixelIntensityToQuantum(p); |
| 1707 | if (image->depth <= 8) |
| 1708 | count=(ssize_t) FormatMagickString(buffer,MaxTextExtent,"%u ", |
| 1709 | ScaleQuantumToChar(index)); |
| 1710 | else |
| 1711 | count=(ssize_t) FormatMagickString(buffer,MaxTextExtent,"%u ", |
| 1712 | ScaleQuantumToShort(index)); |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1713 | extent=(size_t) count; |
| 1714 | (void) strncpy((char *) q,buffer,extent); |
| 1715 | q+=extent; |
| 1716 | if ((q-pixels+extent) >= 80) |
| 1717 | { |
| 1718 | *q++='\n'; |
| 1719 | (void) WriteBlob(image,q-pixels,pixels); |
| 1720 | q=pixels; |
| 1721 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1722 | p++; |
| 1723 | } |
| 1724 | if (image->previous == (Image *) NULL) |
| 1725 | { |
| 1726 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1727 | if (status == MagickFalse) |
| 1728 | break; |
| 1729 | } |
| 1730 | } |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1731 | if (q != pixels) |
| 1732 | { |
| 1733 | *q++='\n'; |
| 1734 | (void) WriteBlob(image,q-pixels,pixels); |
| 1735 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1736 | break; |
| 1737 | } |
| 1738 | case '3': |
| 1739 | { |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1740 | unsigned char |
| 1741 | pixels[2048]; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1742 | |
| 1743 | /* |
| 1744 | Convert image to a PNM image. |
| 1745 | */ |
| 1746 | if (image->depth <= 8) |
| 1747 | (void) WriteBlobString(image,"255\n"); |
| 1748 | else |
| 1749 | (void) WriteBlobString(image,"65535\n"); |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1750 | q=pixels; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1751 | for (y=0; y < (long) image->rows; y++) |
| 1752 | { |
| 1753 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1754 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1755 | |
| 1756 | register long |
| 1757 | x; |
| 1758 | |
| 1759 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1760 | if (p == (const PixelPacket *) NULL) |
| 1761 | break; |
| 1762 | for (x=0; x < (long) image->columns; x++) |
| 1763 | { |
| 1764 | if (image->depth <= 8) |
| 1765 | count=(ssize_t) FormatMagickString(buffer,MaxTextExtent, |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1766 | "%u %u %u ",ScaleQuantumToChar(GetRedPixelComponent(p)), |
cristy | 375dc4b | 2010-01-12 20:24:58 +0000 | [diff] [blame] | 1767 | ScaleQuantumToChar(GetGreenPixelComponent(p)), |
| 1768 | ScaleQuantumToChar(GetBluePixelComponent(p))); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1769 | else |
| 1770 | count=(ssize_t) FormatMagickString(buffer,MaxTextExtent, |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1771 | "%u %u %u ",ScaleQuantumToShort(GetRedPixelComponent(p)), |
cristy | 375dc4b | 2010-01-12 20:24:58 +0000 | [diff] [blame] | 1772 | ScaleQuantumToShort(GetGreenPixelComponent(p)), |
| 1773 | ScaleQuantumToShort(GetBluePixelComponent(p))); |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1774 | extent=(size_t) count; |
| 1775 | (void) strncpy((char *) q,buffer,extent); |
| 1776 | q+=extent; |
| 1777 | if ((q-pixels+extent) >= 80) |
| 1778 | { |
| 1779 | *q++='\n'; |
| 1780 | (void) WriteBlob(image,q-pixels,pixels); |
| 1781 | q=pixels; |
| 1782 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1783 | p++; |
| 1784 | } |
| 1785 | if (image->previous == (Image *) NULL) |
| 1786 | { |
| 1787 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1788 | if (status == MagickFalse) |
| 1789 | break; |
| 1790 | } |
| 1791 | } |
cristy | 661b5ad | 2010-01-13 00:54:42 +0000 | [diff] [blame] | 1792 | if (q != pixels) |
| 1793 | { |
| 1794 | *q++='\n'; |
| 1795 | (void) WriteBlob(image,q-pixels,pixels); |
| 1796 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1797 | break; |
| 1798 | } |
| 1799 | case '4': |
| 1800 | { |
| 1801 | /* |
| 1802 | Convert image to a PBM image. |
| 1803 | */ |
| 1804 | image->depth=1; |
| 1805 | quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| 1806 | if (quantum_info == (QuantumInfo *) NULL) |
| 1807 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1808 | quantum_info->min_is_white=MagickTrue; |
| 1809 | pixels=GetQuantumPixels(quantum_info); |
| 1810 | for (y=0; y < (long) image->rows; y++) |
| 1811 | { |
| 1812 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1813 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1814 | |
| 1815 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1816 | if (p == (const PixelPacket *) NULL) |
| 1817 | break; |
| 1818 | extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| 1819 | quantum_info,GrayQuantum,pixels,&image->exception); |
| 1820 | count=WriteBlob(image,extent,pixels); |
| 1821 | if (count != (ssize_t) extent) |
| 1822 | break; |
| 1823 | if (image->previous == (Image *) NULL) |
| 1824 | { |
| 1825 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1826 | if (status == MagickFalse) |
| 1827 | break; |
| 1828 | } |
| 1829 | } |
| 1830 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1831 | break; |
| 1832 | } |
| 1833 | case '5': |
| 1834 | { |
| 1835 | QuantumAny |
| 1836 | range; |
| 1837 | |
| 1838 | /* |
| 1839 | Convert image to a PGM image. |
| 1840 | */ |
| 1841 | if (image->depth > 8) |
| 1842 | image->depth=16; |
| 1843 | (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",(unsigned long) |
| 1844 | GetQuantumRange(image->depth)); |
| 1845 | (void) WriteBlobString(image,buffer); |
| 1846 | quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| 1847 | if (quantum_info == (QuantumInfo *) NULL) |
| 1848 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1849 | quantum_info->min_is_white=MagickTrue; |
| 1850 | pixels=GetQuantumPixels(quantum_info); |
| 1851 | extent=GetQuantumExtent(image,quantum_info,GrayQuantum); |
| 1852 | range=GetQuantumRange(image->depth); |
| 1853 | for (y=0; y < (long) image->rows; y++) |
| 1854 | { |
| 1855 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1856 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1857 | |
| 1858 | register long |
| 1859 | x; |
| 1860 | |
| 1861 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1862 | if (p == (const PixelPacket *) NULL) |
| 1863 | break; |
| 1864 | q=pixels; |
| 1865 | if ((image->depth == 8) || (image->depth == 16)) |
| 1866 | extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| 1867 | quantum_info,GrayQuantum,pixels,&image->exception); |
| 1868 | else |
| 1869 | { |
| 1870 | if (image->depth <= 8) |
| 1871 | for (x=0; x < (long) image->columns; x++) |
| 1872 | { |
| 1873 | if (IsGrayPixel(p) == MagickFalse) |
| 1874 | pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| 1875 | else |
| 1876 | { |
| 1877 | if (image->depth == 8) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1878 | pixel=ScaleQuantumToChar(GetRedPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1879 | else |
| 1880 | pixel=ScaleQuantumToAny(p->red,range); |
| 1881 | } |
| 1882 | q=PopCharPixel((unsigned char) pixel,q); |
| 1883 | p++; |
| 1884 | } |
| 1885 | else |
| 1886 | for (x=0; x < (long) image->columns; x++) |
| 1887 | { |
| 1888 | if (IsGrayPixel(p) == MagickFalse) |
| 1889 | pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| 1890 | else |
| 1891 | { |
| 1892 | if (image->depth == 16) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1893 | pixel=ScaleQuantumToShort(GetRedPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1894 | else |
| 1895 | pixel=ScaleQuantumToAny(p->red,range); |
| 1896 | } |
| 1897 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 1898 | p++; |
| 1899 | } |
| 1900 | extent=(size_t) (q-pixels); |
| 1901 | } |
| 1902 | count=WriteBlob(image,extent,pixels); |
| 1903 | if (count != (ssize_t) extent) |
| 1904 | break; |
| 1905 | if (image->previous == (Image *) NULL) |
| 1906 | { |
| 1907 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1908 | if (status == MagickFalse) |
| 1909 | break; |
| 1910 | } |
| 1911 | } |
| 1912 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1913 | break; |
| 1914 | } |
| 1915 | case '6': |
| 1916 | { |
| 1917 | QuantumAny |
| 1918 | range; |
| 1919 | |
| 1920 | /* |
| 1921 | Convert image to a PNM image. |
| 1922 | */ |
| 1923 | if (image->depth > 8) |
| 1924 | image->depth=16; |
| 1925 | (void) FormatMagickString(buffer,MaxTextExtent,"%lu\n",(unsigned long) |
| 1926 | GetQuantumRange(image->depth)); |
| 1927 | (void) WriteBlobString(image,buffer); |
| 1928 | quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| 1929 | if (quantum_info == (QuantumInfo *) NULL) |
| 1930 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 1931 | pixels=GetQuantumPixels(quantum_info); |
| 1932 | extent=GetQuantumExtent(image,quantum_info,quantum_type); |
| 1933 | range=GetQuantumRange(image->depth); |
| 1934 | for (y=0; y < (long) image->rows; y++) |
| 1935 | { |
| 1936 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1937 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1938 | |
| 1939 | register long |
| 1940 | x; |
| 1941 | |
| 1942 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 1943 | if (p == (const PixelPacket *) NULL) |
| 1944 | break; |
| 1945 | q=pixels; |
| 1946 | if ((image->depth == 8) || (image->depth == 16)) |
| 1947 | extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| 1948 | quantum_info,quantum_type,pixels,&image->exception); |
| 1949 | else |
| 1950 | { |
| 1951 | if (image->depth <= 8) |
| 1952 | for (x=0; x < (long) image->columns; x++) |
| 1953 | { |
| 1954 | pixel=ScaleQuantumToAny(p->red,range); |
| 1955 | q=PopCharPixel((unsigned char) pixel,q); |
| 1956 | pixel=ScaleQuantumToAny(p->green,range); |
| 1957 | q=PopCharPixel((unsigned char) pixel,q); |
| 1958 | pixel=ScaleQuantumToAny(p->blue,range); |
| 1959 | q=PopCharPixel((unsigned char) pixel,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1960 | p++; |
| 1961 | } |
| 1962 | else |
| 1963 | for (x=0; x < (long) image->columns; x++) |
| 1964 | { |
| 1965 | pixel=ScaleQuantumToAny(p->red,range); |
| 1966 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 1967 | pixel=ScaleQuantumToAny(p->green,range); |
| 1968 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 1969 | pixel=ScaleQuantumToAny(p->blue,range); |
| 1970 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1971 | p++; |
| 1972 | } |
| 1973 | extent=(size_t) (q-pixels); |
| 1974 | } |
| 1975 | count=WriteBlob(image,extent,pixels); |
| 1976 | if (count != (ssize_t) extent) |
| 1977 | break; |
| 1978 | if (image->previous == (Image *) NULL) |
| 1979 | { |
| 1980 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 1981 | if (status == MagickFalse) |
| 1982 | break; |
| 1983 | } |
| 1984 | } |
| 1985 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1986 | break; |
| 1987 | } |
| 1988 | case '7': |
| 1989 | { |
| 1990 | QuantumAny |
| 1991 | range; |
| 1992 | |
| 1993 | /* |
| 1994 | Convert image to a PAM. |
| 1995 | */ |
| 1996 | if (image->depth > 16) |
| 1997 | image->depth=16; |
| 1998 | quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| 1999 | pixels=GetQuantumPixels(quantum_info); |
| 2000 | range=GetQuantumRange(image->depth); |
| 2001 | for (y=0; y < (long) image->rows; y++) |
| 2002 | { |
| 2003 | register const IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2004 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2005 | |
| 2006 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2007 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2008 | |
| 2009 | register long |
| 2010 | x; |
| 2011 | |
| 2012 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 2013 | if (p == (const PixelPacket *) NULL) |
| 2014 | break; |
| 2015 | indexes=GetVirtualIndexQueue(image); |
| 2016 | q=pixels; |
| 2017 | if ((image->depth == 8) || (image->depth == 16)) |
| 2018 | extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| 2019 | quantum_info,quantum_type,pixels,&image->exception); |
| 2020 | else |
| 2021 | { |
| 2022 | switch (quantum_type) |
| 2023 | { |
| 2024 | case GrayQuantum: |
| 2025 | case GrayAlphaQuantum: |
| 2026 | { |
| 2027 | if (image->depth <= 8) |
| 2028 | for (x=0; x < (long) image->columns; x++) |
| 2029 | { |
| 2030 | pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| 2031 | q=PopCharPixel((unsigned char) pixel,q); |
| 2032 | if (image->matte != MagickFalse) |
| 2033 | { |
| 2034 | pixel=(unsigned char) ScaleQuantumToAny(p->opacity, |
| 2035 | range); |
| 2036 | q=PopCharPixel((unsigned char) pixel,q); |
| 2037 | } |
| 2038 | p++; |
| 2039 | } |
| 2040 | else |
| 2041 | for (x=0; x < (long) image->columns; x++) |
| 2042 | { |
| 2043 | pixel=ScaleQuantumToAny(PixelIntensityToQuantum(p),range); |
| 2044 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2045 | if (image->matte != MagickFalse) |
| 2046 | { |
| 2047 | pixel=(unsigned char) ScaleQuantumToAny(p->opacity, |
| 2048 | range); |
| 2049 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2050 | } |
| 2051 | p++; |
| 2052 | } |
| 2053 | break; |
| 2054 | } |
| 2055 | case CMYKQuantum: |
| 2056 | case CMYKAQuantum: |
| 2057 | { |
| 2058 | if (image->depth <= 8) |
| 2059 | for (x=0; x < (long) image->columns; x++) |
| 2060 | { |
| 2061 | pixel=ScaleQuantumToAny(p->red,range); |
| 2062 | q=PopCharPixel((unsigned char) pixel,q); |
| 2063 | pixel=ScaleQuantumToAny(p->green,range); |
| 2064 | q=PopCharPixel((unsigned char) pixel,q); |
| 2065 | pixel=ScaleQuantumToAny(p->blue,range); |
| 2066 | q=PopCharPixel((unsigned char) pixel,q); |
| 2067 | pixel=ScaleQuantumToAny(indexes[x],range); |
| 2068 | q=PopCharPixel((unsigned char) pixel,q); |
| 2069 | if (image->matte != MagickFalse) |
| 2070 | { |
| 2071 | pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 2072 | GetOpacityPixelComponent(p)),range); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2073 | q=PopCharPixel((unsigned char) pixel,q); |
| 2074 | } |
| 2075 | p++; |
| 2076 | } |
| 2077 | else |
| 2078 | for (x=0; x < (long) image->columns; x++) |
| 2079 | { |
| 2080 | pixel=ScaleQuantumToAny(p->red,range); |
| 2081 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2082 | pixel=ScaleQuantumToAny(p->green,range); |
| 2083 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2084 | pixel=ScaleQuantumToAny(p->blue,range); |
| 2085 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2086 | pixel=ScaleQuantumToAny(indexes[x],range); |
| 2087 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2088 | if (image->matte != MagickFalse) |
| 2089 | { |
| 2090 | pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 2091 | GetOpacityPixelComponent(p)),range); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2092 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2093 | } |
| 2094 | p++; |
| 2095 | } |
| 2096 | break; |
| 2097 | } |
| 2098 | default: |
| 2099 | { |
| 2100 | if (image->depth <= 8) |
| 2101 | for (x=0; x < (long) image->columns; x++) |
| 2102 | { |
| 2103 | pixel=ScaleQuantumToAny(p->red,range); |
| 2104 | q=PopCharPixel((unsigned char) pixel,q); |
| 2105 | pixel=ScaleQuantumToAny(p->green,range); |
| 2106 | q=PopCharPixel((unsigned char) pixel,q); |
| 2107 | pixel=ScaleQuantumToAny(p->blue,range); |
| 2108 | q=PopCharPixel((unsigned char) pixel,q); |
| 2109 | if (image->matte != MagickFalse) |
| 2110 | { |
| 2111 | pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 2112 | GetOpacityPixelComponent(p)),range); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2113 | q=PopCharPixel((unsigned char) pixel,q); |
| 2114 | } |
| 2115 | p++; |
| 2116 | } |
| 2117 | else |
| 2118 | for (x=0; x < (long) image->columns; x++) |
| 2119 | { |
| 2120 | pixel=ScaleQuantumToAny(p->red,range); |
| 2121 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2122 | pixel=ScaleQuantumToAny(p->green,range); |
| 2123 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2124 | pixel=ScaleQuantumToAny(p->blue,range); |
| 2125 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2126 | if (image->matte != MagickFalse) |
| 2127 | { |
| 2128 | pixel=ScaleQuantumToAny((Quantum) (QuantumRange- |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 2129 | GetOpacityPixelComponent(p)),range); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2130 | q=PopShortPixel(MSBEndian,(unsigned short) pixel,q); |
| 2131 | } |
| 2132 | p++; |
| 2133 | } |
| 2134 | break; |
| 2135 | } |
| 2136 | } |
| 2137 | extent=(size_t) (q-pixels); |
| 2138 | } |
| 2139 | count=WriteBlob(image,extent,pixels); |
| 2140 | if (count != (ssize_t) extent) |
| 2141 | break; |
| 2142 | if (image->previous == (Image *) NULL) |
| 2143 | { |
| 2144 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 2145 | if (status == MagickFalse) |
| 2146 | break; |
| 2147 | } |
| 2148 | } |
| 2149 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 2150 | break; |
| 2151 | } |
| 2152 | case 'F': |
| 2153 | case 'f': |
| 2154 | { |
| 2155 | (void) WriteBlobString(image,image->endian != LSBEndian ? "1.0\n" : |
| 2156 | "-1.0\n"); |
| 2157 | image->depth=32; |
| 2158 | quantum_type=format == 'f' ? GrayQuantum : RGBQuantum; |
| 2159 | quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image); |
| 2160 | if (quantum_info == (QuantumInfo *) NULL) |
| 2161 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 2162 | status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat); |
| 2163 | if (status == MagickFalse) |
| 2164 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| 2165 | pixels=GetQuantumPixels(quantum_info); |
| 2166 | for (y=(long) image->rows-1; y >= 0; y--) |
| 2167 | { |
| 2168 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2169 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2170 | |
| 2171 | p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); |
| 2172 | if (p == (const PixelPacket *) NULL) |
| 2173 | break; |
| 2174 | extent=ExportQuantumPixels(image,(const CacheView *) NULL, |
| 2175 | quantum_info,quantum_type,pixels,&image->exception); |
| 2176 | (void) WriteBlob(image,extent,pixels); |
| 2177 | if (image->previous == (Image *) NULL) |
| 2178 | { |
| 2179 | status=SetImageProgress(image,SaveImageTag,y,image->rows); |
| 2180 | if (status == MagickFalse) |
| 2181 | break; |
| 2182 | } |
| 2183 | } |
| 2184 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 2185 | break; |
| 2186 | } |
| 2187 | } |
| 2188 | if (GetNextImageInList(image) == (Image *) NULL) |
| 2189 | break; |
| 2190 | image=SyncNextImageInList(image); |
| 2191 | status=SetImageProgress(image,SaveImagesTag,scene++, |
| 2192 | GetImageListLength(image)); |
| 2193 | if (status == MagickFalse) |
| 2194 | break; |
| 2195 | } while (image_info->adjoin != MagickFalse); |
| 2196 | (void) CloseBlob(image); |
| 2197 | return(MagickTrue); |
| 2198 | } |