1 /* 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3 % % 4 % % 5 % % 6 % M M IIIII FFFFF FFFFF % 7 % MM MM I F F % 8 % M M M I FFF FFF % 9 % M M I F F % 10 % M M IIIII F F % 11 % % 12 % % 13 % Read/Write MIFF Image Format % 14 % % 15 % Software Design % 16 % Cristy % 17 % July 1992 % 18 % % 19 % % 20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21 % dedicated to making software imaging solutions freely available. % 22 % % 23 % You may not use this file except in compliance with the License. You may % 24 % obtain a copy of the License at % 25 % % 26 % http://www.imagemagick.org/script/license.php % 27 % % 28 % Unless required by applicable law or agreed to in writing, software % 29 % distributed under the License is distributed on an "AS IS" BASIS, % 30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31 % See the License for the specific language governing permissions and % 32 % limitations under the License. % 33 % % 34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35 % 36 % 37 */ 38 39 /* 41 Include declarations. 42 */ 43 #include "MagickCore/studio.h" 44 #include "MagickCore/attribute.h" 45 #include "MagickCore/blob.h" 46 #include "MagickCore/blob-private.h" 47 #include "MagickCore/cache.h" 48 #include "MagickCore/color.h" 49 #include "MagickCore/color-private.h" 50 #include "MagickCore/colormap.h" 51 #include "MagickCore/colormap-private.h" 52 #include "MagickCore/colorspace.h" 53 #include "MagickCore/colorspace-private.h" 54 #include "MagickCore/constitute.h" 55 #include "MagickCore/exception.h" 56 #include "MagickCore/exception-private.h" 57 #include "MagickCore/geometry.h" 58 #include "MagickCore/image.h" 59 #include "MagickCore/image-private.h" 60 #include "MagickCore/linked-list.h" 61 #include "MagickCore/list.h" 62 #include "MagickCore/magick.h" 63 #include "MagickCore/memory_.h" 64 #include "MagickCore/module.h" 65 #include "MagickCore/monitor.h" 66 #include "MagickCore/monitor-private.h" 67 #include "MagickCore/option.h" 68 #include "MagickCore/pixel.h" 69 #include "MagickCore/pixel-accessor.h" 70 #include "MagickCore/profile.h" 71 #include "MagickCore/property.h" 72 #include "MagickCore/quantum-private.h" 73 #include "MagickCore/static.h" 74 #include "MagickCore/statistic.h" 75 #include "MagickCore/string_.h" 76 #include "MagickCore/string-private.h" 77 #if defined(MAGICKCORE_BZLIB_DELEGATE) 78 #include "bzlib.h" 79 #endif 80 #if defined(MAGICKCORE_LZMA_DELEGATE) 81 #include "lzma.h" 82 #endif 83 #if defined(MAGICKCORE_ZLIB_DELEGATE) 84 #include "zlib.h" 85 #endif 86 87 /* 89 Define declarations. 90 */ 91 #if !defined(LZMA_OK) 92 #define LZMA_OK 0 93 #endif 94 95 /* 97 Forward declarations. 98 */ 99 static MagickBooleanType 100 WriteMIFFImage(const ImageInfo *,Image *,ExceptionInfo *); 101 102 /* 104 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 105 % % 106 % % 107 % % 108 % I s M I F F % 109 % % 110 % % 111 % % 112 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 113 % 114 % IsMIFF() returns MagickTrue if the image format type, identified by the 115 % magick string, is MIFF. 116 % 117 % The format of the IsMIFF method is: 118 % 119 % MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length) 120 % 121 % A description of each parameter follows: 122 % 123 % o magick: compare image format pattern against these bytes. 124 % 125 % o length: Specifies the length of the magick string. 126 % 127 */ 128 static MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length) 129 { 130 if (length < 14) 131 return(MagickFalse); 132 if (LocaleNCompare((const char *) magick,"id=ImageMagick",14) == 0) 133 return(MagickTrue); 134 return(MagickFalse); 135 } 136 137 /* 139 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 140 % % 141 % % 142 % % 143 % R e a d M I F F I m a g e % 144 % % 145 % % 146 % % 147 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 148 % 149 % ReadMIFFImage() reads a MIFF image file and returns it. It allocates the 150 % memory necessary for the new Image structure and returns a pointer to the 151 % new image. 152 % 153 % The format of the ReadMIFFImage method is: 154 % 155 % Image *ReadMIFFImage(const ImageInfo *image_info, 156 % ExceptionInfo *exception) 157 % 158 % Decompression code contributed by Kyle Shorter. 159 % 160 % A description of each parameter follows: 161 % 162 % o image_info: the image info. 163 % 164 % o exception: return any errors or warnings in this structure. 165 % 166 */ 167 168 #if defined(MAGICKCORE_BZLIB_DELEGATE) 169 static void *AcquireBZIPMemory(void *context,int items,int size) 170 { 171 (void) context; 172 return((void *) AcquireQuantumMemory((size_t) items,(size_t) size)); 173 } 174 #endif 175 176 #if defined(MAGICKCORE_LZMA_DELEGATE) 177 static void *AcquireLZMAMemory(void *context,size_t items,size_t size) 178 { 179 (void) context; 180 return((void *) AcquireQuantumMemory((size_t) items,(size_t) size)); 181 } 182 #endif 183 184 #if defined(MAGICKCORE_ZLIB_DELEGATE) 185 static voidpf AcquireZIPMemory(voidpf context,unsigned int items, 186 unsigned int size) 187 { 188 (void) context; 189 return((voidpf) AcquireQuantumMemory(items,size)); 190 } 191 #endif 192 193 static void PushRunlengthPacket(Image *image,const unsigned char *pixels, 194 size_t *length,PixelInfo *pixel,ExceptionInfo *exception) 195 { 196 const unsigned char 197 *p; 198 199 p=pixels; 200 if (image->storage_class == PseudoClass) 201 { 202 pixel->index=0; 203 switch (image->depth) 204 { 205 case 32: 206 { 207 pixel->index=ConstrainColormapIndex(image,((size_t) *p << 24) | 208 ((size_t) *(p+1) << 16) | ((size_t) *(p+2) << 8) | (size_t) *(p+3), 209 exception); 210 p+=4; 211 break; 212 } 213 case 16: 214 { 215 pixel->index=ConstrainColormapIndex(image,(*p << 8) | *(p+1), 216 exception); 217 p+=2; 218 break; 219 } 220 case 8: 221 { 222 pixel->index=ConstrainColormapIndex(image,*p,exception); 223 p++; 224 break; 225 } 226 default: 227 (void) ThrowMagickException(exception,GetMagickModule(), 228 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); 229 } 230 switch (image->depth) 231 { 232 case 8: 233 { 234 unsigned char 235 quantum; 236 237 if (image->alpha_trait != UndefinedPixelTrait) 238 { 239 p=PushCharPixel(p,&quantum); 240 pixel->alpha=ScaleCharToQuantum(quantum); 241 } 242 break; 243 } 244 case 16: 245 { 246 unsigned short 247 quantum; 248 249 if (image->alpha_trait != UndefinedPixelTrait) 250 { 251 p=PushShortPixel(MSBEndian,p,&quantum); 252 pixel->alpha=(Quantum) (quantum >> (image->depth- 253 MAGICKCORE_QUANTUM_DEPTH)); 254 } 255 break; 256 } 257 case 32: 258 { 259 unsigned int 260 quantum; 261 262 if (image->alpha_trait != UndefinedPixelTrait) 263 { 264 p=PushLongPixel(MSBEndian,p,&quantum); 265 pixel->alpha=(Quantum) (quantum >> (image->depth- 266 MAGICKCORE_QUANTUM_DEPTH)); 267 } 268 break; 269 } 270 default: 271 (void) ThrowMagickException(exception,GetMagickModule(), 272 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); 273 } 274 *length=(size_t) (*p++)+1; 275 return; 276 } 277 switch (image->depth) 278 { 279 case 8: 280 { 281 unsigned char 282 quantum; 283 284 p=PushCharPixel(p,&quantum); 285 pixel->red=ScaleCharToQuantum(quantum); 286 pixel->green=pixel->red; 287 pixel->blue=pixel->red; 288 if (IsGrayColorspace(image->colorspace) == MagickFalse) 289 { 290 p=PushCharPixel(p,&quantum); 291 pixel->green=ScaleCharToQuantum(quantum); 292 p=PushCharPixel(p,&quantum); 293 pixel->blue=ScaleCharToQuantum(quantum); 294 } 295 if (image->colorspace == CMYKColorspace) 296 { 297 p=PushCharPixel(p,&quantum); 298 pixel->black=ScaleCharToQuantum(quantum); 299 } 300 if (image->alpha_trait != UndefinedPixelTrait) 301 { 302 p=PushCharPixel(p,&quantum); 303 pixel->alpha=ScaleCharToQuantum(quantum); 304 } 305 break; 306 } 307 case 16: 308 { 309 unsigned short 310 quantum; 311 312 p=PushShortPixel(MSBEndian,p,&quantum); 313 pixel->red=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 314 pixel->green=pixel->red; 315 pixel->blue=pixel->red; 316 if (IsGrayColorspace(image->colorspace) == MagickFalse) 317 { 318 p=PushShortPixel(MSBEndian,p,&quantum); 319 pixel->green=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 320 p=PushShortPixel(MSBEndian,p,&quantum); 321 pixel->blue=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 322 } 323 if (image->colorspace == CMYKColorspace) 324 { 325 p=PushShortPixel(MSBEndian,p,&quantum); 326 pixel->black=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 327 } 328 if (image->alpha_trait != UndefinedPixelTrait) 329 { 330 p=PushShortPixel(MSBEndian,p,&quantum); 331 pixel->alpha=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 332 } 333 break; 334 } 335 case 32: 336 { 337 unsigned int 338 quantum; 339 340 p=PushLongPixel(MSBEndian,p,&quantum); 341 pixel->red=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 342 pixel->green=pixel->red; 343 pixel->blue=pixel->red; 344 if (IsGrayColorspace(image->colorspace) == MagickFalse) 345 { 346 p=PushLongPixel(MSBEndian,p,&quantum); 347 pixel->green=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 348 p=PushLongPixel(MSBEndian,p,&quantum); 349 pixel->blue=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 350 } 351 if (image->colorspace == CMYKColorspace) 352 { 353 p=PushLongPixel(MSBEndian,p,&quantum); 354 pixel->black=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 355 } 356 if (image->alpha_trait != UndefinedPixelTrait) 357 { 358 p=PushLongPixel(MSBEndian,p,&quantum); 359 pixel->alpha=quantum >> (image->depth-MAGICKCORE_QUANTUM_DEPTH); 360 } 361 break; 362 } 363 default: 364 (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, 365 "ImageDepthNotSupported","`%s'",image->filename); 366 } 367 *length=(size_t) (*p++)+1; 368 } 369 370 #if defined(MAGICKCORE_BZLIB_DELEGATE) 371 static void RelinquishBZIPMemory(void *context,void *memory) 372 { 373 (void) context; 374 memory=RelinquishMagickMemory(memory); 375 } 376 #endif 377 378 #if defined(MAGICKCORE_LZMA_DELEGATE) 379 static void RelinquishLZMAMemory(void *context,void *memory) 380 { 381 (void) context; 382 memory=RelinquishMagickMemory(memory); 383 } 384 #endif 385 386 #if defined(MAGICKCORE_ZLIB_DELEGATE) 387 static void RelinquishZIPMemory(voidpf context,voidpf memory) 388 { 389 (void) context; 390 memory=RelinquishMagickMemory(memory); 391 } 392 #endif 393 394 static Image *ReadMIFFImage(const ImageInfo *image_info, 395 ExceptionInfo *exception) 396 { 397 #define BZipMaxExtent(x) ((x)+((x)/100)+600) 398 #define LZMAMaxExtent(x) ((x)+((x)/3)+128) 399 #define ZipMaxExtent(x) ((x)+(((x)+7) >> 3)+(((x)+63) >> 6)+11) 400 401 #if defined(MAGICKCORE_BZLIB_DELEGATE) 402 bz_stream 403 bzip_info; 404 #endif 405 406 char 407 id[MagickPathExtent], 408 keyword[MagickPathExtent], 409 *options; 410 411 const unsigned char 412 *p; 413 414 double 415 version; 416 417 GeometryInfo 418 geometry_info; 419 420 Image 421 *image; 422 423 int 424 c; 425 426 LinkedListInfo 427 *profiles; 428 429 #if defined(MAGICKCORE_LZMA_DELEGATE) 430 lzma_stream 431 initialize_lzma = LZMA_STREAM_INIT, 432 lzma_info; 433 434 lzma_allocator 435 allocator; 436 #endif 437 438 MagickBooleanType 439 status; 440 441 PixelInfo 442 pixel; 443 444 MagickStatusType 445 flags; 446 447 QuantumFormatType 448 quantum_format; 449 450 QuantumInfo 451 *quantum_info; 452 453 QuantumType 454 quantum_type; 455 456 register ssize_t 457 i; 458 459 size_t 460 compress_extent, 461 length, 462 packet_size; 463 464 ssize_t 465 count; 466 467 unsigned char 468 *compress_pixels, 469 *pixels; 470 471 size_t 472 colors; 473 474 ssize_t 475 y; 476 477 #if defined(MAGICKCORE_ZLIB_DELEGATE) 478 z_stream 479 zip_info; 480 #endif 481 482 /* 483 Open image file. 484 */ 485 assert(image_info != (const ImageInfo *) NULL); 486 assert(image_info->signature == MagickCoreSignature); 487 if (image_info->debug != MagickFalse) 488 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", 489 image_info->filename); 490 assert(exception != (ExceptionInfo *) NULL); 491 assert(exception->signature == MagickCoreSignature); 492 image=AcquireImage(image_info,exception); 493 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); 494 if (status == MagickFalse) 495 { 496 image=DestroyImageList(image); 497 return((Image *) NULL); 498 } 499 /* 500 Decode image header; header terminates one character beyond a ':'. 501 */ 502 c=ReadBlobByte(image); 503 if (c == EOF) 504 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 505 *id='\0'; 506 (void) ResetMagickMemory(keyword,0,sizeof(keyword)); 507 version=0.0; 508 (void) version; 509 do 510 { 511 /* 512 Decode image header; header terminates one character beyond a ':'. 513 */ 514 length=MagickPathExtent; 515 options=AcquireString((char *) NULL); 516 quantum_format=UndefinedQuantumFormat; 517 profiles=(LinkedListInfo *) NULL; 518 colors=0; 519 image->depth=8UL; 520 image->compression=NoCompression; 521 while ((isgraph(c) != MagickFalse) && (c != (int) ':')) 522 { 523 register char 524 *p; 525 526 if (c == (int) '{') 527 { 528 char 529 *comment; 530 531 /* 532 Read comment-- any text between { }. 533 */ 534 length=MagickPathExtent; 535 comment=AcquireString((char *) NULL); 536 for (p=comment; comment != (char *) NULL; p++) 537 { 538 c=ReadBlobByte(image); 539 if (c == (int) '\\') 540 c=ReadBlobByte(image); 541 else 542 if ((c == EOF) || (c == (int) '}')) 543 break; 544 if ((size_t) (p-comment+1) >= length) 545 { 546 *p='\0'; 547 length<<=1; 548 comment=(char *) ResizeQuantumMemory(comment,length+ 549 MagickPathExtent,sizeof(*comment)); 550 if (comment == (char *) NULL) 551 break; 552 p=comment+strlen(comment); 553 } 554 *p=(char) c; 555 } 556 if (comment == (char *) NULL) 557 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 558 *p='\0'; 559 (void) SetImageProperty(image,"comment",comment,exception); 560 comment=DestroyString(comment); 561 c=ReadBlobByte(image); 562 } 563 else 564 if (isalnum(c) != MagickFalse) 565 { 566 /* 567 Get the keyword. 568 */ 569 length=MagickPathExtent; 570 p=keyword; 571 do 572 { 573 if (c == (int) '=') 574 break; 575 if ((size_t) (p-keyword) < (MagickPathExtent-1)) 576 *p++=(char) c; 577 c=ReadBlobByte(image); 578 } while (c != EOF); 579 *p='\0'; 580 p=options; 581 while ((isspace((int) ((unsigned char) c)) != 0) && (c != EOF)) 582 c=ReadBlobByte(image); 583 if (c == (int) '=') 584 { 585 /* 586 Get the keyword value. 587 */ 588 c=ReadBlobByte(image); 589 while ((c != (int) '}') && (c != EOF)) 590 { 591 if ((size_t) (p-options+1) >= length) 592 { 593 *p='\0'; 594 length<<=1; 595 options=(char *) ResizeQuantumMemory(options,length+ 596 MagickPathExtent,sizeof(*options)); 597 if (options == (char *) NULL) 598 break; 599 p=options+strlen(options); 600 } 601 *p++=(char) c; 602 c=ReadBlobByte(image); 603 if (c == '\\') 604 { 605 c=ReadBlobByte(image); 606 if (c == (int) '}') 607 { 608 *p++=(char) c; 609 c=ReadBlobByte(image); 610 } 611 } 612 if (*options != '{') 613 if (isspace((int) ((unsigned char) c)) != 0) 614 break; 615 } 616 if (options == (char *) NULL) 617 ThrowReaderException(ResourceLimitError, 618 "MemoryAllocationFailed"); 619 } 620 *p='\0'; 621 if (*options == '{') 622 (void) CopyMagickString(options,options+1,strlen(options)); 623 /* 624 Assign a value to the specified keyword. 625 */ 626 switch (*keyword) 627 { 628 case 'a': 629 case 'A': 630 { 631 if (LocaleCompare(keyword,"alpha-color") == 0) 632 { 633 (void) QueryColorCompliance(options,AllCompliance, 634 &image->alpha_color,exception); 635 break; 636 } 637 if (LocaleCompare(keyword,"alpha-trait") == 0) 638 { 639 ssize_t 640 alpha_trait; 641 642 alpha_trait=ParseCommandOption(MagickPixelTraitOptions, 643 MagickFalse,options); 644 if (alpha_trait < 0) 645 break; 646 image->alpha_trait=(PixelTrait) alpha_trait; 647 break; 648 } 649 (void) SetImageProperty(image,keyword,options,exception); 650 break; 651 } 652 case 'b': 653 case 'B': 654 { 655 if (LocaleCompare(keyword,"background-color") == 0) 656 { 657 (void) QueryColorCompliance(options,AllCompliance, 658 &image->background_color,exception); 659 break; 660 } 661 if (LocaleCompare(keyword,"blue-primary") == 0) 662 { 663 flags=ParseGeometry(options,&geometry_info); 664 image->chromaticity.blue_primary.x=geometry_info.rho; 665 image->chromaticity.blue_primary.y=geometry_info.sigma; 666 if ((flags & SigmaValue) == 0) 667 image->chromaticity.blue_primary.y= 668 image->chromaticity.blue_primary.x; 669 break; 670 } 671 if (LocaleCompare(keyword,"border-color") == 0) 672 { 673 (void) QueryColorCompliance(options,AllCompliance, 674 &image->border_color,exception); 675 break; 676 } 677 (void) SetImageProperty(image,keyword,options,exception); 678 break; 679 } 680 case 'c': 681 case 'C': 682 { 683 if (LocaleCompare(keyword,"class") == 0) 684 { 685 ssize_t 686 storage_class; 687 688 storage_class=ParseCommandOption(MagickClassOptions, 689 MagickFalse,options); 690 if (storage_class < 0) 691 break; 692 image->storage_class=(ClassType) storage_class; 693 break; 694 } 695 if (LocaleCompare(keyword,"colors") == 0) 696 { 697 colors=StringToUnsignedLong(options); 698 break; 699 } 700 if (LocaleCompare(keyword,"colorspace") == 0) 701 { 702 ssize_t 703 colorspace; 704 705 colorspace=ParseCommandOption(MagickColorspaceOptions, 706 MagickFalse,options); 707 if (colorspace < 0) 708 break; 709 image->colorspace=(ColorspaceType) colorspace; 710 break; 711 } 712 if (LocaleCompare(keyword,"compression") == 0) 713 { 714 ssize_t 715 compression; 716 717 compression=ParseCommandOption(MagickCompressOptions, 718 MagickFalse,options); 719 if (compression < 0) 720 break; 721 image->compression=(CompressionType) compression; 722 break; 723 } 724 if (LocaleCompare(keyword,"columns") == 0) 725 { 726 image->columns=StringToUnsignedLong(options); 727 break; 728 } 729 (void) SetImageProperty(image,keyword,options,exception); 730 break; 731 } 732 case 'd': 733 case 'D': 734 { 735 if (LocaleCompare(keyword,"delay") == 0) 736 { 737 image->delay=StringToUnsignedLong(options); 738 break; 739 } 740 if (LocaleCompare(keyword,"depth") == 0) 741 { 742 image->depth=StringToUnsignedLong(options); 743 break; 744 } 745 if (LocaleCompare(keyword,"dispose") == 0) 746 { 747 ssize_t 748 dispose; 749 750 dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse, 751 options); 752 if (dispose < 0) 753 break; 754 image->dispose=(DisposeType) dispose; 755 break; 756 } 757 (void) SetImageProperty(image,keyword,options,exception); 758 break; 759 } 760 case 'e': 761 case 'E': 762 { 763 if (LocaleCompare(keyword,"endian") == 0) 764 { 765 ssize_t 766 endian; 767 768 endian=ParseCommandOption(MagickEndianOptions,MagickFalse, 769 options); 770 if (endian < 0) 771 break; 772 image->endian=(EndianType) endian; 773 break; 774 } 775 (void) SetImageProperty(image,keyword,options,exception); 776 break; 777 } 778 case 'g': 779 case 'G': 780 { 781 if (LocaleCompare(keyword,"gamma") == 0) 782 { 783 image->gamma=StringToDouble(options,(char **) NULL); 784 break; 785 } 786 if (LocaleCompare(keyword,"gravity") == 0) 787 { 788 ssize_t 789 gravity; 790 791 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse, 792 options); 793 if (gravity < 0) 794 break; 795 image->gravity=(GravityType) gravity; 796 break; 797 } 798 if (LocaleCompare(keyword,"green-primary") == 0) 799 { 800 flags=ParseGeometry(options,&geometry_info); 801 image->chromaticity.green_primary.x=geometry_info.rho; 802 image->chromaticity.green_primary.y=geometry_info.sigma; 803 if ((flags & SigmaValue) == 0) 804 image->chromaticity.green_primary.y= 805 image->chromaticity.green_primary.x; 806 break; 807 } 808 (void) SetImageProperty(image,keyword,options,exception); 809 break; 810 } 811 case 'i': 812 case 'I': 813 { 814 if (LocaleCompare(keyword,"id") == 0) 815 { 816 (void) CopyMagickString(id,options,MagickPathExtent); 817 break; 818 } 819 if (LocaleCompare(keyword,"iterations") == 0) 820 { 821 image->iterations=StringToUnsignedLong(options); 822 break; 823 } 824 (void) SetImageProperty(image,keyword,options,exception); 825 break; 826 } 827 case 'm': 828 case 'M': 829 { 830 if (LocaleCompare(keyword,"matte") == 0) 831 { 832 ssize_t 833 matte; 834 835 matte=ParseCommandOption(MagickBooleanOptions,MagickFalse, 836 options); 837 if (matte < 0) 838 break; 839 image->alpha_trait=matte == 0 ? UndefinedPixelTrait : 840 BlendPixelTrait; 841 break; 842 } 843 if (LocaleCompare(keyword,"montage") == 0) 844 { 845 (void) CloneString(&image->montage,options); 846 break; 847 } 848 (void) SetImageProperty(image,keyword,options,exception); 849 break; 850 } 851 case 'o': 852 case 'O': 853 { 854 if (LocaleCompare(keyword,"orientation") == 0) 855 { 856 ssize_t 857 orientation; 858 859 orientation=ParseCommandOption(MagickOrientationOptions, 860 MagickFalse,options); 861 if (orientation < 0) 862 break; 863 image->orientation=(OrientationType) orientation; 864 break; 865 } 866 (void) SetImageProperty(image,keyword,options,exception); 867 break; 868 } 869 case 'p': 870 case 'P': 871 { 872 if (LocaleCompare(keyword,"page") == 0) 873 { 874 char 875 *geometry; 876 877 geometry=GetPageGeometry(options); 878 (void) ParseAbsoluteGeometry(geometry,&image->page); 879 geometry=DestroyString(geometry); 880 break; 881 } 882 if (LocaleCompare(keyword,"pixel-intensity") == 0) 883 { 884 ssize_t 885 intensity; 886 887 intensity=ParseCommandOption(MagickPixelIntensityOptions, 888 MagickFalse,options); 889 if (intensity < 0) 890 break; 891 image->intensity=(PixelIntensityMethod) intensity; 892 break; 893 } 894 if ((LocaleNCompare(keyword,"profile:",8) == 0) || 895 (LocaleNCompare(keyword,"profile-",8) == 0)) 896 { 897 StringInfo 898 *profile; 899 900 if (profiles == (LinkedListInfo *) NULL) 901 profiles=NewLinkedList(0); 902 (void) AppendValueToLinkedList(profiles, 903 AcquireString(keyword+8)); 904 profile=BlobToStringInfo((const void *) NULL,(size_t) 905 StringToLong(options)); 906 if (profile == (StringInfo *) NULL) 907 ThrowReaderException(ResourceLimitError, 908 "MemoryAllocationFailed"); 909 (void) SetImageProfile(image,keyword+8,profile,exception); 910 profile=DestroyStringInfo(profile); 911 break; 912 } 913 (void) SetImageProperty(image,keyword,options,exception); 914 break; 915 } 916 case 'q': 917 case 'Q': 918 { 919 if (LocaleCompare(keyword,"quality") == 0) 920 { 921 image->quality=StringToUnsignedLong(options); 922 break; 923 } 924 if ((LocaleCompare(keyword,"quantum-format") == 0) || 925 (LocaleCompare(keyword,"quantum:format") == 0)) 926 { 927 ssize_t 928 format; 929 930 format=ParseCommandOption(MagickQuantumFormatOptions, 931 MagickFalse,options); 932 if (format < 0) 933 break; 934 quantum_format=(QuantumFormatType) format; 935 break; 936 } 937 (void) SetImageProperty(image,keyword,options,exception); 938 break; 939 } 940 case 'r': 941 case 'R': 942 { 943 if (LocaleCompare(keyword,"red-primary") == 0) 944 { 945 flags=ParseGeometry(options,&geometry_info); 946 image->chromaticity.red_primary.x=geometry_info.rho; 947 image->chromaticity.red_primary.y=geometry_info.sigma; 948 if ((flags & SigmaValue) == 0) 949 image->chromaticity.red_primary.y= 950 image->chromaticity.red_primary.x; 951 break; 952 } 953 if (LocaleCompare(keyword,"rendering-intent") == 0) 954 { 955 ssize_t 956 rendering_intent; 957 958 rendering_intent=ParseCommandOption(MagickIntentOptions, 959 MagickFalse,options); 960 if (rendering_intent < 0) 961 break; 962 image->rendering_intent=(RenderingIntent) rendering_intent; 963 break; 964 } 965 if (LocaleCompare(keyword,"resolution") == 0) 966 { 967 flags=ParseGeometry(options,&geometry_info); 968 image->resolution.x=geometry_info.rho; 969 image->resolution.y=geometry_info.sigma; 970 if ((flags & SigmaValue) == 0) 971 image->resolution.y=image->resolution.x; 972 break; 973 } 974 if (LocaleCompare(keyword,"rows") == 0) 975 { 976 image->rows=StringToUnsignedLong(options); 977 break; 978 } 979 (void) SetImageProperty(image,keyword,options,exception); 980 break; 981 } 982 case 's': 983 case 'S': 984 { 985 if (LocaleCompare(keyword,"scene") == 0) 986 { 987 image->scene=StringToUnsignedLong(options); 988 break; 989 } 990 (void) SetImageProperty(image,keyword,options,exception); 991 break; 992 } 993 case 't': 994 case 'T': 995 { 996 if (LocaleCompare(keyword,"ticks-per-second") == 0) 997 { 998 image->ticks_per_second=(ssize_t) StringToLong(options); 999 break; 1000 } 1001 if (LocaleCompare(keyword,"tile-offset") == 0) 1002 { 1003 char 1004 *geometry; 1005 1006 geometry=GetPageGeometry(options); 1007 (void) ParseAbsoluteGeometry(geometry,&image->tile_offset); 1008 geometry=DestroyString(geometry); 1009 break; 1010 } 1011 if (LocaleCompare(keyword,"type") == 0) 1012 { 1013 ssize_t 1014 type; 1015 1016 type=ParseCommandOption(MagickTypeOptions,MagickFalse, 1017 options); 1018 if (type < 0) 1019 break; 1020 image->type=(ImageType) type; 1021 break; 1022 } 1023 (void) SetImageProperty(image,keyword,options,exception); 1024 break; 1025 } 1026 case 'u': 1027 case 'U': 1028 { 1029 if (LocaleCompare(keyword,"units") == 0) 1030 { 1031 ssize_t 1032 units; 1033 1034 units=ParseCommandOption(MagickResolutionOptions, 1035 MagickFalse,options); 1036 if (units < 0) 1037 break; 1038 image->units=(ResolutionType) units; 1039 break; 1040 } 1041 (void) SetImageProperty(image,keyword,options,exception); 1042 break; 1043 } 1044 case 'v': 1045 case 'V': 1046 { 1047 if (LocaleCompare(keyword,"version") == 0) 1048 { 1049 version=StringToDouble(options,(char **) NULL); 1050 break; 1051 } 1052 (void) SetImageProperty(image,keyword,options,exception); 1053 break; 1054 } 1055 case 'w': 1056 case 'W': 1057 { 1058 if (LocaleCompare(keyword,"white-point") == 0) 1059 { 1060 flags=ParseGeometry(options,&geometry_info); 1061 image->chromaticity.white_point.x=geometry_info.rho; 1062 image->chromaticity.white_point.y=geometry_info.sigma; 1063 if ((flags & SigmaValue) == 0) 1064 image->chromaticity.white_point.y= 1065 image->chromaticity.white_point.x; 1066 break; 1067 } 1068 (void) SetImageProperty(image,keyword,options,exception); 1069 break; 1070 } 1071 default: 1072 { 1073 (void) SetImageProperty(image,keyword,options,exception); 1074 break; 1075 } 1076 } 1077 } 1078 else 1079 c=ReadBlobByte(image); 1080 while (isspace((int) ((unsigned char) c)) != 0) 1081 c=ReadBlobByte(image); 1082 } 1083 options=DestroyString(options); 1084 (void) ReadBlobByte(image); 1085 /* 1086 Verify that required image information is defined. 1087 */ 1088 if ((LocaleCompare(id,"ImageMagick") != 0) || 1089 (image->storage_class == UndefinedClass) || 1090 (image->compression == UndefinedCompression) || 1091 (image->colorspace == UndefinedColorspace) || 1092 (image->columns == 0) || (image->rows == 0)) 1093 { 1094 if (image->previous == (Image *) NULL) 1095 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 1096 (void) ThrowMagickException(exception,GetMagickModule(), 1097 CorruptImageError,"ImproperImageHeader","`%s'",image->filename); 1098 break; 1099 } 1100 if (image->montage != (char *) NULL) 1101 { 1102 register char 1103 *p; 1104 1105 /* 1106 Image directory. 1107 */ 1108 length=MagickPathExtent; 1109 image->directory=AcquireString((char *) NULL); 1110 p=image->directory; 1111 do 1112 { 1113 *p='\0'; 1114 if ((strlen(image->directory)+MagickPathExtent) >= length) 1115 { 1116 /* 1117 Allocate more memory for the image directory. 1118 */ 1119 length<<=1; 1120 image->directory=(char *) ResizeQuantumMemory(image->directory, 1121 length+MagickPathExtent,sizeof(*image->directory)); 1122 if (image->directory == (char *) NULL) 1123 ThrowReaderException(CorruptImageError,"UnableToReadImageData"); 1124 p=image->directory+strlen(image->directory); 1125 } 1126 c=ReadBlobByte(image); 1127 *p++=(char) c; 1128 } while (c != (int) '\0'); 1129 } 1130 if (profiles != (LinkedListInfo *) NULL) 1131 { 1132 const char 1133 *name; 1134 1135 const StringInfo 1136 *profile; 1137 1138 /* 1139 Read image profiles. 1140 */ 1141 ResetLinkedListIterator(profiles); 1142 name=(const char *) GetNextValueInLinkedList(profiles); 1143 while (name != (const char *) NULL) 1144 { 1145 profile=GetImageProfile(image,name); 1146 if (profile != (StringInfo *) NULL) 1147 { 1148 register unsigned char 1149 *p; 1150 1151 p=GetStringInfoDatum(profile); 1152 count=ReadBlob(image,GetStringInfoLength(profile),p); 1153 (void) count; 1154 } 1155 name=(const char *) GetNextValueInLinkedList(profiles); 1156 } 1157 profiles=DestroyLinkedList(profiles,RelinquishMagickMemory); 1158 } 1159 image->depth=GetImageQuantumDepth(image,MagickFalse); 1160 if (image->storage_class == PseudoClass) 1161 { 1162 /* 1163 Create image colormap. 1164 */ 1165 status=AcquireImageColormap(image,colors != 0 ? colors : 256,exception); 1166 if (status == MagickFalse) 1167 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 1168 if (colors != 0) 1169 { 1170 size_t 1171 packet_size; 1172 1173 unsigned char 1174 *colormap; 1175 1176 /* 1177 Read image colormap from file. 1178 */ 1179 packet_size=(size_t) (3UL*image->depth/8UL); 1180 colormap=(unsigned char *) AcquireQuantumMemory(image->colors, 1181 packet_size*sizeof(*colormap)); 1182 if (colormap == (unsigned char *) NULL) 1183 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 1184 count=ReadBlob(image,packet_size*image->colors,colormap); 1185 p=colormap; 1186 switch (image->depth) 1187 { 1188 default: 1189 ThrowReaderException(CorruptImageError, 1190 "ImageDepthNotSupported"); 1191 case 8: 1192 { 1193 unsigned char 1194 pixel; 1195 1196 for (i=0; i < (ssize_t) image->colors; i++) 1197 { 1198 p=PushCharPixel(p,&pixel); 1199 image->colormap[i].red=ScaleCharToQuantum(pixel); 1200 p=PushCharPixel(p,&pixel); 1201 image->colormap[i].green=ScaleCharToQuantum(pixel); 1202 p=PushCharPixel(p,&pixel); 1203 image->colormap[i].blue=ScaleCharToQuantum(pixel); 1204 } 1205 break; 1206 } 1207 case 16: 1208 { 1209 unsigned short 1210 pixel; 1211 1212 for (i=0; i < (ssize_t) image->colors; i++) 1213 { 1214 p=PushShortPixel(MSBEndian,p,&pixel); 1215 image->colormap[i].red=ScaleShortToQuantum(pixel); 1216 p=PushShortPixel(MSBEndian,p,&pixel); 1217 image->colormap[i].green=ScaleShortToQuantum(pixel); 1218 p=PushShortPixel(MSBEndian,p,&pixel); 1219 image->colormap[i].blue=ScaleShortToQuantum(pixel); 1220 } 1221 break; 1222 } 1223 case 32: 1224 { 1225 unsigned int 1226 pixel; 1227 1228 for (i=0; i < (ssize_t) image->colors; i++) 1229 { 1230 p=PushLongPixel(MSBEndian,p,&pixel); 1231 image->colormap[i].red=ScaleLongToQuantum(pixel); 1232 p=PushLongPixel(MSBEndian,p,&pixel); 1233 image->colormap[i].green=ScaleLongToQuantum(pixel); 1234 p=PushLongPixel(MSBEndian,p,&pixel); 1235 image->colormap[i].blue=ScaleLongToQuantum(pixel); 1236 } 1237 break; 1238 } 1239 } 1240 colormap=(unsigned char *) RelinquishMagickMemory(colormap); 1241 } 1242 } 1243 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) 1244 if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 1245 break; 1246 status=SetImageExtent(image,image->columns,image->rows,exception); 1247 if (status == MagickFalse) 1248 return(DestroyImageList(image)); 1249 /* 1250 Allocate image pixels. 1251 */ 1252 quantum_info=AcquireQuantumInfo(image_info,image); 1253 if (quantum_info == (QuantumInfo *) NULL) 1254 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 1255 if (quantum_format != UndefinedQuantumFormat) 1256 { 1257 status=SetQuantumFormat(image,quantum_info,quantum_format); 1258 if (status == MagickFalse) 1259 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 1260 } 1261 packet_size=(size_t) (quantum_info->depth/8); 1262 if (image->storage_class == DirectClass) 1263 packet_size=(size_t) (3*quantum_info->depth/8); 1264 if (IsGrayColorspace(image->colorspace) != MagickFalse) 1265 packet_size=quantum_info->depth/8; 1266 if (image->alpha_trait != UndefinedPixelTrait) 1267 packet_size+=quantum_info->depth/8; 1268 if (image->colorspace == CMYKColorspace) 1269 packet_size+=quantum_info->depth/8; 1270 if (image->compression == RLECompression) 1271 packet_size++; 1272 compress_extent=MagickMax(MagickMax(BZipMaxExtent(packet_size* 1273 image->columns),LZMAMaxExtent(packet_size*image->columns)), 1274 ZipMaxExtent(packet_size*image->columns)); 1275 compress_pixels=(unsigned char *) AcquireQuantumMemory(compress_extent, 1276 sizeof(*compress_pixels)); 1277 if (compress_pixels == (unsigned char *) NULL) 1278 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); 1279 /* 1280 Read image pixels. 1281 */ 1282 quantum_type=RGBQuantum; 1283 if (image->alpha_trait != UndefinedPixelTrait) 1284 quantum_type=RGBAQuantum; 1285 if (image->colorspace == CMYKColorspace) 1286 { 1287 quantum_type=CMYKQuantum; 1288 if (image->alpha_trait != UndefinedPixelTrait) 1289 quantum_type=CMYKAQuantum; 1290 } 1291 if (IsGrayColorspace(image->colorspace) != MagickFalse) 1292 { 1293 quantum_type=GrayQuantum; 1294 if (image->alpha_trait != UndefinedPixelTrait) 1295 quantum_type=GrayAlphaQuantum; 1296 } 1297 if (image->storage_class == PseudoClass) 1298 { 1299 quantum_type=IndexQuantum; 1300 if (image->alpha_trait != UndefinedPixelTrait) 1301 quantum_type=IndexAlphaQuantum; 1302 } 1303 status=MagickTrue; 1304 GetPixelInfo(image,&pixel); 1305 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1306 (void) ResetMagickMemory(&bzip_info,0,sizeof(bzip_info)); 1307 #endif 1308 #if defined(MAGICKCORE_LZMA_DELEGATE) 1309 (void) ResetMagickMemory(&allocator,0,sizeof(allocator)); 1310 #endif 1311 #if defined(MAGICKCORE_ZLIB_DELEGATE) 1312 (void) ResetMagickMemory(&zip_info,0,sizeof(zip_info)); 1313 #endif 1314 switch (image->compression) 1315 { 1316 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1317 case BZipCompression: 1318 { 1319 int 1320 code; 1321 1322 bzip_info.bzalloc=AcquireBZIPMemory; 1323 bzip_info.bzfree=RelinquishBZIPMemory; 1324 bzip_info.opaque=(void *) NULL; 1325 code=BZ2_bzDecompressInit(&bzip_info,(int) image_info->verbose, 1326 MagickFalse); 1327 if (code != BZ_OK) 1328 status=MagickFalse; 1329 break; 1330 } 1331 #endif 1332 #if defined(MAGICKCORE_LZMA_DELEGATE) 1333 case LZMACompression: 1334 { 1335 int 1336 code; 1337 1338 allocator.alloc=AcquireLZMAMemory; 1339 allocator.free=RelinquishLZMAMemory; 1340 lzma_info=initialize_lzma; 1341 lzma_info.allocator=(&allocator); 1342 code=lzma_auto_decoder(&lzma_info,-1,0); 1343 if (code != LZMA_OK) 1344 status=MagickFalse; 1345 break; 1346 } 1347 #endif 1348 #if defined(MAGICKCORE_ZLIB_DELEGATE) 1349 case LZWCompression: 1350 case ZipCompression: 1351 { 1352 int 1353 code; 1354 1355 zip_info.zalloc=AcquireZIPMemory; 1356 zip_info.zfree=RelinquishZIPMemory; 1357 zip_info.opaque=(voidpf) NULL; 1358 code=inflateInit(&zip_info); 1359 if (code != Z_OK) 1360 status=MagickFalse; 1361 break; 1362 } 1363 #endif 1364 case RLECompression: 1365 break; 1366 default: 1367 break; 1368 } 1369 pixels=(unsigned char *) GetQuantumPixels(quantum_info); 1370 length=0; 1371 for (y=0; y < (ssize_t) image->rows; y++) 1372 { 1373 register ssize_t 1374 x; 1375 1376 register Quantum 1377 *magick_restrict q; 1378 1379 if (status == MagickFalse) 1380 break; 1381 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); 1382 if (q == (Quantum *) NULL) 1383 break; 1384 switch (image->compression) 1385 { 1386 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1387 case BZipCompression: 1388 { 1389 bzip_info.next_out=(char *) pixels; 1390 bzip_info.avail_out=(unsigned int) (packet_size*image->columns); 1391 do 1392 { 1393 int 1394 code; 1395 1396 if (bzip_info.avail_in == 0) 1397 { 1398 bzip_info.next_in=(char *) compress_pixels; 1399 length=(size_t) BZipMaxExtent(packet_size*image->columns); 1400 if (version != 0.0) 1401 length=(size_t) ReadBlobMSBLong(image); 1402 if (length > compress_extent) 1403 { 1404 (void) BZ2_bzDecompressEnd(&bzip_info); 1405 ThrowReaderException(CorruptImageError, 1406 "UnableToReadImageData"); 1407 } 1408 bzip_info.avail_in=(unsigned int) ReadBlob(image,length, 1409 (unsigned char *) bzip_info.next_in); 1410 } 1411 code=BZ2_bzDecompress(&bzip_info); 1412 if (code < 0) 1413 { 1414 status=MagickFalse; 1415 break; 1416 } 1417 if (code == BZ_STREAM_END) 1418 break; 1419 } while (bzip_info.avail_out != 0); 1420 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 1421 quantum_type,pixels,exception); 1422 break; 1423 } 1424 #endif 1425 #if defined(MAGICKCORE_LZMA_DELEGATE) 1426 case LZMACompression: 1427 { 1428 lzma_info.next_out=pixels; 1429 lzma_info.avail_out=packet_size*image->columns; 1430 do 1431 { 1432 int 1433 code; 1434 1435 if (lzma_info.avail_in == 0) 1436 { 1437 lzma_info.next_in=compress_pixels; 1438 length=(size_t) ReadBlobMSBLong(image); 1439 if (length > compress_extent) 1440 { 1441 lzma_end(&lzma_info); 1442 ThrowReaderException(CorruptImageError, 1443 "UnableToReadImageData"); 1444 } 1445 lzma_info.avail_in=(unsigned int) ReadBlob(image,length, 1446 (unsigned char *) lzma_info.next_in); 1447 } 1448 code=lzma_code(&lzma_info,LZMA_RUN); 1449 if (code < 0) 1450 { 1451 status=MagickFalse; 1452 break; 1453 } 1454 if (code == LZMA_STREAM_END) 1455 break; 1456 } while (lzma_info.avail_out != 0); 1457 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 1458 quantum_type,pixels,exception); 1459 break; 1460 } 1461 #endif 1462 #if defined(MAGICKCORE_ZLIB_DELEGATE) 1463 case LZWCompression: 1464 case ZipCompression: 1465 { 1466 zip_info.next_out=pixels; 1467 zip_info.avail_out=(uInt) (packet_size*image->columns); 1468 do 1469 { 1470 int 1471 code; 1472 1473 if (zip_info.avail_in == 0) 1474 { 1475 zip_info.next_in=compress_pixels; 1476 length=(size_t) ZipMaxExtent(packet_size*image->columns); 1477 if (version != 0.0) 1478 length=(size_t) ReadBlobMSBLong(image); 1479 if (length > compress_extent) 1480 { 1481 (void) inflateEnd(&zip_info); 1482 ThrowReaderException(CorruptImageError, 1483 "UnableToReadImageData"); 1484 } 1485 zip_info.avail_in=(unsigned int) ReadBlob(image,length, 1486 zip_info.next_in); 1487 } 1488 code=inflate(&zip_info,Z_SYNC_FLUSH); 1489 if (code < 0) 1490 { 1491 status=MagickFalse; 1492 break; 1493 } 1494 if (code == Z_STREAM_END) 1495 break; 1496 } while (zip_info.avail_out != 0); 1497 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 1498 quantum_type,pixels,exception); 1499 break; 1500 } 1501 #endif 1502 case RLECompression: 1503 { 1504 for (x=0; x < (ssize_t) image->columns; x++) 1505 { 1506 if (length == 0) 1507 { 1508 count=ReadBlob(image,packet_size,pixels); 1509 PushRunlengthPacket(image,pixels,&length,&pixel,exception); 1510 } 1511 length--; 1512 if (image->storage_class == PseudoClass) 1513 SetPixelIndex(image,ClampToQuantum(pixel.index),q); 1514 else 1515 { 1516 SetPixelRed(image,ClampToQuantum(pixel.red),q); 1517 SetPixelGreen(image,ClampToQuantum(pixel.green),q); 1518 SetPixelBlue(image,ClampToQuantum(pixel.blue),q); 1519 if (image->colorspace == CMYKColorspace) 1520 SetPixelBlack(image,ClampToQuantum(pixel.black),q); 1521 } 1522 if (image->alpha_trait != UndefinedPixelTrait) 1523 SetPixelAlpha(image,ClampToQuantum(pixel.alpha),q); 1524 q+=GetPixelChannels(image); 1525 } 1526 break; 1527 } 1528 default: 1529 { 1530 count=ReadBlob(image,packet_size*image->columns,pixels); 1531 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, 1532 quantum_type,pixels,exception); 1533 break; 1534 } 1535 } 1536 if (SyncAuthenticPixels(image,exception) == MagickFalse) 1537 break; 1538 } 1539 SetQuantumImageType(image,quantum_type); 1540 switch (image->compression) 1541 { 1542 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1543 case BZipCompression: 1544 { 1545 int 1546 code; 1547 1548 if (version == 0.0) 1549 { 1550 MagickOffsetType 1551 offset; 1552 1553 offset=SeekBlob(image,-((MagickOffsetType) 1554 bzip_info.avail_in),SEEK_CUR); 1555 if (offset < 0) 1556 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 1557 } 1558 code=BZ2_bzDecompressEnd(&bzip_info); 1559 if (code != BZ_OK) 1560 status=MagickFalse; 1561 break; 1562 } 1563 #endif 1564 #if defined(MAGICKCORE_LZMA_DELEGATE) 1565 case LZMACompression: 1566 { 1567 int 1568 code; 1569 1570 code=lzma_code(&lzma_info,LZMA_FINISH); 1571 if ((code != LZMA_STREAM_END) && (code != LZMA_OK)) 1572 status=MagickFalse; 1573 lzma_end(&lzma_info); 1574 break; 1575 } 1576 #endif 1577 #if defined(MAGICKCORE_ZLIB_DELEGATE) 1578 case LZWCompression: 1579 case ZipCompression: 1580 { 1581 int 1582 code; 1583 1584 if (version == 0.0) 1585 { 1586 MagickOffsetType 1587 offset; 1588 1589 offset=SeekBlob(image,-((MagickOffsetType) zip_info.avail_in), 1590 SEEK_CUR); 1591 if (offset < 0) 1592 ThrowReaderException(CorruptImageError,"ImproperImageHeader"); 1593 } 1594 code=inflateEnd(&zip_info); 1595 if (code != LZMA_OK) 1596 status=MagickFalse; 1597 break; 1598 } 1599 #endif 1600 default: 1601 break; 1602 } 1603 quantum_info=DestroyQuantumInfo(quantum_info); 1604 compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels); 1605 if (((y != (ssize_t) image->rows)) || (status == MagickFalse)) 1606 { 1607 image=DestroyImageList(image); 1608 return((Image *) NULL); 1609 } 1610 if (EOFBlob(image) != MagickFalse) 1611 { 1612 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", 1613 image->filename); 1614 break; 1615 } 1616 /* 1617 Proceed to next image. 1618 */ 1619 if (image_info->number_scenes != 0) 1620 if (image->scene >= (image_info->scene+image_info->number_scenes-1)) 1621 break; 1622 do 1623 { 1624 c=ReadBlobByte(image); 1625 } while ((isgraph(c) == MagickFalse) && (c != EOF)); 1626 if (c != EOF) 1627 { 1628 /* 1629 Allocate next image structure. 1630 */ 1631 AcquireNextImage(image_info,image,exception); 1632 if (GetNextImageInList(image) == (Image *) NULL) 1633 { 1634 image=DestroyImageList(image); 1635 return((Image *) NULL); 1636 } 1637 image=SyncNextImageInList(image); 1638 status=SetImageProgress(image,LoadImagesTag,TellBlob(image), 1639 GetBlobSize(image)); 1640 if (status == MagickFalse) 1641 break; 1642 } 1643 } while (c != EOF); 1644 (void) CloseBlob(image); 1645 return(GetFirstImageInList(image)); 1646 } 1647 1648 /* 1650 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1651 % % 1652 % % 1653 % % 1654 % R e g i s t e r M I F F I m a g e % 1655 % % 1656 % % 1657 % % 1658 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1659 % 1660 % RegisterMIFFImage() adds properties for the MIFF image format to the list of 1661 % supported formats. The properties include the image format tag, a method to 1662 % read and/or write the format, whether the format supports the saving of more 1663 % than one frame to the same file or blob, whether the format supports native 1664 % in-memory I/O, and a brief description of the format. 1665 % 1666 % The format of the RegisterMIFFImage method is: 1667 % 1668 % size_t RegisterMIFFImage(void) 1669 % 1670 */ 1671 ModuleExport size_t RegisterMIFFImage(void) 1672 { 1673 char 1674 version[MagickPathExtent]; 1675 1676 MagickInfo 1677 *entry; 1678 1679 *version='\0'; 1680 #if defined(MagickImageCoderSignatureText) 1681 (void) CopyMagickString(version,MagickLibVersionText,MagickPathExtent); 1682 #if defined(ZLIB_VERSION) 1683 (void) ConcatenateMagickString(version," with Zlib ",MagickPathExtent); 1684 (void) ConcatenateMagickString(version,ZLIB_VERSION,MagickPathExtent); 1685 #endif 1686 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1687 (void) ConcatenateMagickString(version," and BZlib",MagickPathExtent); 1688 #endif 1689 #endif 1690 entry=AcquireMagickInfo("MIFF","MIFF","Magick Image File Format"); 1691 entry->decoder=(DecodeImageHandler *) ReadMIFFImage; 1692 entry->encoder=(EncodeImageHandler *) WriteMIFFImage; 1693 entry->magick=(IsImageFormatHandler *) IsMIFF; 1694 entry->flags|=CoderSeekableStreamFlag; 1695 if (*version != '\0') 1696 entry->version=ConstantString(version); 1697 (void) RegisterMagickInfo(entry); 1698 return(MagickImageCoderSignature); 1699 } 1700 1701 /* 1703 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1704 % % 1705 % % 1706 % % 1707 % U n r e g i s t e r M I F F I m a g e % 1708 % % 1709 % % 1710 % % 1711 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1712 % 1713 % UnregisterMIFFImage() removes format registrations made by the MIFF module 1714 % from the list of supported formats. 1715 % 1716 % The format of the UnregisterMIFFImage method is: 1717 % 1718 % UnregisterMIFFImage(void) 1719 % 1720 */ 1721 ModuleExport void UnregisterMIFFImage(void) 1722 { 1723 (void) UnregisterMagickInfo("MIFF"); 1724 } 1725 1726 /* 1728 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1729 % % 1730 % % 1731 % % 1732 % W r i t e M I F F I m a g e % 1733 % % 1734 % % 1735 % % 1736 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 1737 % 1738 % WriteMIFFImage() writes a MIFF image to a file. 1739 % 1740 % The format of the WriteMIFFImage method is: 1741 % 1742 % MagickBooleanType WriteMIFFImage(const ImageInfo *image_info, 1743 % Image *image,ExceptionInfo *exception) 1744 % 1745 % Compression code contributed by Kyle Shorter. 1746 % 1747 % A description of each parameter follows: 1748 % 1749 % o image_info: the image info. 1750 % 1751 % o image: the image. 1752 % 1753 % o exception: return any errors or warnings in this structure. 1754 % 1755 */ 1756 1757 static unsigned char *PopRunlengthPacket(Image *image,unsigned char *pixels, 1758 size_t length,PixelInfo *pixel,ExceptionInfo *exception) 1759 { 1760 if (image->storage_class != DirectClass) 1761 { 1762 unsigned int 1763 value; 1764 1765 value=(unsigned int) ClampToQuantum(pixel->index); 1766 switch (image->depth) 1767 { 1768 case 32: 1769 { 1770 *pixels++=(unsigned char) (value >> 24); 1771 *pixels++=(unsigned char) (value >> 16); 1772 } 1773 case 16: 1774 *pixels++=(unsigned char) (value >> 8); 1775 case 8: 1776 { 1777 *pixels++=(unsigned char) value; 1778 break; 1779 } 1780 default: 1781 (void) ThrowMagickException(exception,GetMagickModule(), 1782 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); 1783 } 1784 switch (image->depth) 1785 { 1786 case 32: 1787 { 1788 unsigned int 1789 value; 1790 1791 if (image->alpha_trait != UndefinedPixelTrait) 1792 { 1793 value=ScaleQuantumToLong(ClampToQuantum(pixel->alpha)); 1794 pixels=PopLongPixel(MSBEndian,value,pixels); 1795 } 1796 break; 1797 } 1798 case 16: 1799 { 1800 unsigned short 1801 value; 1802 1803 if (image->alpha_trait != UndefinedPixelTrait) 1804 { 1805 value=ScaleQuantumToShort(ClampToQuantum(pixel->alpha)); 1806 pixels=PopShortPixel(MSBEndian,value,pixels); 1807 } 1808 break; 1809 } 1810 case 8: 1811 { 1812 unsigned char 1813 value; 1814 1815 if (image->alpha_trait != UndefinedPixelTrait) 1816 { 1817 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum( 1818 pixel->alpha)); 1819 pixels=PopCharPixel(value,pixels); 1820 } 1821 break; 1822 } 1823 default: 1824 (void) ThrowMagickException(exception,GetMagickModule(), 1825 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename); 1826 } 1827 *pixels++=(unsigned char) length; 1828 return(pixels); 1829 } 1830 switch (image->depth) 1831 { 1832 case 32: 1833 { 1834 unsigned int 1835 value; 1836 1837 value=ScaleQuantumToLong(ClampToQuantum(pixel->red)); 1838 pixels=PopLongPixel(MSBEndian,value,pixels); 1839 if (IsGrayColorspace(image->colorspace) == MagickFalse) 1840 { 1841 value=ScaleQuantumToLong(ClampToQuantum(pixel->green)); 1842 pixels=PopLongPixel(MSBEndian,value,pixels); 1843 value=ScaleQuantumToLong(ClampToQuantum(pixel->blue)); 1844 pixels=PopLongPixel(MSBEndian,value,pixels); 1845 } 1846 if (image->colorspace == CMYKColorspace) 1847 { 1848 value=ScaleQuantumToLong(ClampToQuantum(pixel->black)); 1849 pixels=PopLongPixel(MSBEndian,value,pixels); 1850 } 1851 if (image->alpha_trait != UndefinedPixelTrait) 1852 { 1853 value=ScaleQuantumToLong(ClampToQuantum(pixel->alpha)); 1854 pixels=PopLongPixel(MSBEndian,value,pixels); 1855 } 1856 break; 1857 } 1858 case 16: 1859 { 1860 unsigned short 1861 value; 1862 1863 value=ScaleQuantumToShort(ClampToQuantum(pixel->red)); 1864 pixels=PopShortPixel(MSBEndian,value,pixels); 1865 if (IsGrayColorspace(image->colorspace) == MagickFalse) 1866 { 1867 value=ScaleQuantumToShort(ClampToQuantum(pixel->green)); 1868 pixels=PopShortPixel(MSBEndian,value,pixels); 1869 value=ScaleQuantumToShort(ClampToQuantum(pixel->blue)); 1870 pixels=PopShortPixel(MSBEndian,value,pixels); 1871 } 1872 if (image->colorspace == CMYKColorspace) 1873 { 1874 value=ScaleQuantumToShort(ClampToQuantum(pixel->black)); 1875 pixels=PopShortPixel(MSBEndian,value,pixels); 1876 } 1877 if (image->alpha_trait != UndefinedPixelTrait) 1878 { 1879 value=ScaleQuantumToShort(ClampToQuantum(pixel->alpha)); 1880 pixels=PopShortPixel(MSBEndian,value,pixels); 1881 } 1882 break; 1883 } 1884 case 8: 1885 { 1886 unsigned char 1887 value; 1888 1889 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum(pixel->red)); 1890 pixels=PopCharPixel(value,pixels); 1891 if (IsGrayColorspace(image->colorspace) == MagickFalse) 1892 { 1893 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum( 1894 pixel->green)); 1895 pixels=PopCharPixel(value,pixels); 1896 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum(pixel->blue)); 1897 pixels=PopCharPixel(value,pixels); 1898 } 1899 if (image->colorspace == CMYKColorspace) 1900 { 1901 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum( 1902 pixel->black)); 1903 pixels=PopCharPixel(value,pixels); 1904 } 1905 if (image->alpha_trait != UndefinedPixelTrait) 1906 { 1907 value=(unsigned char) ScaleQuantumToChar(ClampToQuantum( 1908 pixel->alpha)); 1909 pixels=PopCharPixel(value,pixels); 1910 } 1911 break; 1912 } 1913 default: 1914 (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, 1915 "ImageDepthNotSupported","`%s'",image->filename); 1916 } 1917 *pixels++=(unsigned char) length; 1918 return(pixels); 1919 } 1920 1921 static MagickBooleanType WriteMIFFImage(const ImageInfo *image_info, 1922 Image *image,ExceptionInfo *exception) 1923 { 1924 #if defined(MAGICKCORE_BZLIB_DELEGATE) 1925 bz_stream 1926 bzip_info; 1927 #endif 1928 1929 char 1930 buffer[MagickPathExtent]; 1931 1932 CompressionType 1933 compression; 1934 1935 const char 1936 *property, 1937 *value; 1938 1939 #if defined(MAGICKCORE_LZMA_DELEGATE) 1940 lzma_allocator 1941 allocator; 1942 1943 lzma_stream 1944 initialize_lzma = LZMA_STREAM_INIT, 1945 lzma_info; 1946 #endif 1947 1948 MagickBooleanType 1949 status; 1950 1951 MagickOffsetType 1952 scene; 1953 1954 PixelInfo 1955 pixel, 1956 target; 1957 1958 QuantumInfo 1959 *quantum_info; 1960 1961 QuantumType 1962 quantum_type; 1963 1964 register ssize_t 1965 i; 1966 1967 size_t 1968 length, 1969 packet_size; 1970 1971 ssize_t 1972 y; 1973 1974 unsigned char 1975 *compress_pixels, 1976 *pixels, 1977 *q; 1978 1979 #if defined(MAGICKCORE_ZLIB_DELEGATE) 1980 z_stream 1981 zip_info; 1982 #endif 1983 1984 /* 1985 Open output image file. 1986 */ 1987 assert(image_info != (const ImageInfo *) NULL); 1988 assert(image_info->signature == MagickCoreSignature); 1989 assert(image != (Image *) NULL); 1990 assert(image->signature == MagickCoreSignature); 1991 if (image->debug != MagickFalse) 1992 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 1993 assert(exception != (ExceptionInfo *) NULL); 1994 assert(exception->signature == MagickCoreSignature); 1995 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 1996 if (status == MagickFalse) 1997 return(status); 1998 scene=0; 1999 do 2000 { 2001 /* 2002 Allocate image pixels. 2003 */ 2004 if ((image->storage_class == PseudoClass) && 2005 (image->colors > (size_t) (GetQuantumRange(image->depth)+1))) 2006 (void) SetImageStorageClass(image,DirectClass,exception); 2007 image->depth=image->depth <= 8 ? 8UL : image->depth <= 16 ? 16UL : 2008 image->depth <= 32 ? 32UL : 64UL; 2009 quantum_info=AcquireQuantumInfo(image_info,image); 2010 if (quantum_info == (QuantumInfo *) NULL) 2011 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 2012 if ((image->storage_class != PseudoClass) && (image->depth >= 32) && 2013 (quantum_info->format == UndefinedQuantumFormat) && 2014 (IsHighDynamicRangeImage(image,exception) != MagickFalse)) 2015 { 2016 status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat); 2017 if (status == MagickFalse) 2018 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 2019 } 2020 compression=UndefinedCompression; 2021 if (image_info->compression != UndefinedCompression) 2022 compression=image_info->compression; 2023 switch (compression) 2024 { 2025 #if !defined(MAGICKCORE_LZMA_DELEGATE) 2026 case LZMACompression: compression=NoCompression; break; 2027 #endif 2028 #if !defined(MAGICKCORE_ZLIB_DELEGATE) 2029 case LZWCompression: 2030 case ZipCompression: compression=NoCompression; break; 2031 #endif 2032 #if !defined(MAGICKCORE_BZLIB_DELEGATE) 2033 case BZipCompression: compression=NoCompression; break; 2034 #endif 2035 case RLECompression: 2036 { 2037 if (quantum_info->format == FloatingPointQuantumFormat) 2038 compression=NoCompression; 2039 GetPixelInfo(image,&target); 2040 break; 2041 } 2042 default: 2043 break; 2044 } 2045 packet_size=(size_t) (quantum_info->depth/8); 2046 if (image->storage_class == DirectClass) 2047 packet_size=(size_t) (3*quantum_info->depth/8); 2048 if (IsGrayColorspace(image->colorspace) != MagickFalse) 2049 packet_size=(size_t) (quantum_info->depth/8); 2050 if (image->alpha_trait != UndefinedPixelTrait) 2051 packet_size+=quantum_info->depth/8; 2052 if (image->colorspace == CMYKColorspace) 2053 packet_size+=quantum_info->depth/8; 2054 if (compression == RLECompression) 2055 packet_size++; 2056 length=MagickMax(BZipMaxExtent(packet_size*image->columns),ZipMaxExtent( 2057 packet_size*image->columns)); 2058 if ((compression == BZipCompression) || (compression == ZipCompression)) 2059 if (length != (size_t) ((unsigned int) length)) 2060 compression=NoCompression; 2061 compress_pixels=(unsigned char *) AcquireQuantumMemory(length, 2062 sizeof(*compress_pixels)); 2063 if (compress_pixels == (unsigned char *) NULL) 2064 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 2065 /* 2066 Write MIFF header. 2067 */ 2068 (void) WriteBlobString(image,"id=ImageMagick version=1.0\n"); 2069 (void) FormatLocaleString(buffer,MagickPathExtent, 2070 "class=%s colors=%.20g alpha-trait=%s\n",CommandOptionToMnemonic( 2071 MagickClassOptions,image->storage_class),(double) image->colors, 2072 CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t) 2073 image->alpha_trait)); 2074 (void) WriteBlobString(image,buffer); 2075 if (image->alpha_trait != UndefinedPixelTrait) 2076 (void) WriteBlobString(image,"matte=True\n"); 2077 (void) FormatLocaleString(buffer,MagickPathExtent, 2078 "columns=%.20g rows=%.20g depth=%.20g\n",(double) image->columns, 2079 (double) image->rows,(double) image->depth); 2080 (void) WriteBlobString(image,buffer); 2081 if (image->type != UndefinedType) 2082 { 2083 (void) FormatLocaleString(buffer,MagickPathExtent,"type=%s\n", 2084 CommandOptionToMnemonic(MagickTypeOptions,image->type)); 2085 (void) WriteBlobString(image,buffer); 2086 } 2087 if (image->colorspace != UndefinedColorspace) 2088 { 2089 (void) FormatLocaleString(buffer,MagickPathExtent,"colorspace=%s\n", 2090 CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace)); 2091 (void) WriteBlobString(image,buffer); 2092 } 2093 if (image->intensity != UndefinedPixelIntensityMethod) 2094 { 2095 (void) FormatLocaleString(buffer,MagickPathExtent, 2096 "pixel-intensity=%s\n",CommandOptionToMnemonic( 2097 MagickPixelIntensityOptions,image->intensity)); 2098 (void) WriteBlobString(image,buffer); 2099 } 2100 if (image->endian != UndefinedEndian) 2101 { 2102 (void) FormatLocaleString(buffer,MagickPathExtent,"endian=%s\n", 2103 CommandOptionToMnemonic(MagickEndianOptions,image->endian)); 2104 (void) WriteBlobString(image,buffer); 2105 } 2106 if (compression != UndefinedCompression) 2107 { 2108 (void) FormatLocaleString(buffer,MagickPathExtent,"compression=%s " 2109 "quality=%.20g\n",CommandOptionToMnemonic(MagickCompressOptions, 2110 compression),(double) image->quality); 2111 (void) WriteBlobString(image,buffer); 2112 } 2113 if (image->units != UndefinedResolution) 2114 { 2115 (void) FormatLocaleString(buffer,MagickPathExtent,"units=%s\n", 2116 CommandOptionToMnemonic(MagickResolutionOptions,image->units)); 2117 (void) WriteBlobString(image,buffer); 2118 } 2119 if ((image->resolution.x != 0) || (image->resolution.y != 0)) 2120 { 2121 (void) FormatLocaleString(buffer,MagickPathExtent, 2122 "resolution=%gx%g\n",image->resolution.x,image->resolution.y); 2123 (void) WriteBlobString(image,buffer); 2124 } 2125 if ((image->page.width != 0) || (image->page.height != 0)) 2126 { 2127 (void) FormatLocaleString(buffer,MagickPathExtent, 2128 "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double) 2129 image->page.height,(double) image->page.x,(double) image->page.y); 2130 (void) WriteBlobString(image,buffer); 2131 } 2132 else 2133 if ((image->page.x != 0) || (image->page.y != 0)) 2134 { 2135 (void) FormatLocaleString(buffer,MagickPathExtent,"page=%+ld%+ld\n", 2136 (long) image->page.x,(long) image->page.y); 2137 (void) WriteBlobString(image,buffer); 2138 } 2139 if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0)) 2140 { 2141 (void) FormatLocaleString(buffer,MagickPathExtent, 2142 "tile-offset=%+ld%+ld\n",(long) image->tile_offset.x,(long) 2143 image->tile_offset.y); 2144 (void) WriteBlobString(image,buffer); 2145 } 2146 if ((GetNextImageInList(image) != (Image *) NULL) || 2147 (GetPreviousImageInList(image) != (Image *) NULL)) 2148 { 2149 if (image->scene == 0) 2150 (void) FormatLocaleString(buffer,MagickPathExtent,"iterations=%.20g " 2151 "delay=%.20g ticks-per-second=%.20g\n",(double) image->iterations, 2152 (double) image->delay,(double) image->ticks_per_second); 2153 else 2154 (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g " 2155 "iterations=%.20g delay=%.20g ticks-per-second=%.20g\n",(double) 2156 image->scene,(double) image->iterations,(double) image->delay, 2157 (double) image->ticks_per_second); 2158 (void) WriteBlobString(image,buffer); 2159 } 2160 else 2161 { 2162 if (image->scene != 0) 2163 { 2164 (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g\n", 2165 (double) image->scene); 2166 (void) WriteBlobString(image,buffer); 2167 } 2168 if (image->iterations != 0) 2169 { 2170 (void) FormatLocaleString(buffer,MagickPathExtent, 2171 "iterations=%.20g\n",(double) image->iterations); 2172 (void) WriteBlobString(image,buffer); 2173 } 2174 if (image->delay != 0) 2175 { 2176 (void) FormatLocaleString(buffer,MagickPathExtent,"delay=%.20g\n", 2177 (double) image->delay); 2178 (void) WriteBlobString(image,buffer); 2179 } 2180 if (image->ticks_per_second != UndefinedTicksPerSecond) 2181 { 2182 (void) FormatLocaleString(buffer,MagickPathExtent, 2183 "ticks-per-second=%.20g\n",(double) image->ticks_per_second); 2184 (void) WriteBlobString(image,buffer); 2185 } 2186 } 2187 if (image->gravity != UndefinedGravity) 2188 { 2189 (void) FormatLocaleString(buffer,MagickPathExtent,"gravity=%s\n", 2190 CommandOptionToMnemonic(MagickGravityOptions,image->gravity)); 2191 (void) WriteBlobString(image,buffer); 2192 } 2193 if (image->dispose != UndefinedDispose) 2194 { 2195 (void) FormatLocaleString(buffer,MagickPathExtent,"dispose=%s\n", 2196 CommandOptionToMnemonic(MagickDisposeOptions,image->dispose)); 2197 (void) WriteBlobString(image,buffer); 2198 } 2199 if (image->rendering_intent != UndefinedIntent) 2200 { 2201 (void) FormatLocaleString(buffer,MagickPathExtent, 2202 "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions, 2203 image->rendering_intent)); 2204 (void) WriteBlobString(image,buffer); 2205 } 2206 if (image->gamma != 0.0) 2207 { 2208 (void) FormatLocaleString(buffer,MagickPathExtent,"gamma=%g\n", 2209 image->gamma); 2210 (void) WriteBlobString(image,buffer); 2211 } 2212 if (image->chromaticity.white_point.x != 0.0) 2213 { 2214 /* 2215 Note chomaticity points. 2216 */ 2217 (void) FormatLocaleString(buffer,MagickPathExtent,"red-primary=%g," 2218 "%g green-primary=%g,%g blue-primary=%g,%g\n", 2219 image->chromaticity.red_primary.x,image->chromaticity.red_primary.y, 2220 image->chromaticity.green_primary.x, 2221 image->chromaticity.green_primary.y, 2222 image->chromaticity.blue_primary.x, 2223 image->chromaticity.blue_primary.y); 2224 (void) WriteBlobString(image,buffer); 2225 (void) FormatLocaleString(buffer,MagickPathExtent, 2226 "white-point=%g,%g\n",image->chromaticity.white_point.x, 2227 image->chromaticity.white_point.y); 2228 (void) WriteBlobString(image,buffer); 2229 } 2230 if (image->orientation != UndefinedOrientation) 2231 { 2232 (void) FormatLocaleString(buffer,MagickPathExtent,"orientation=%s\n", 2233 CommandOptionToMnemonic(MagickOrientationOptions,image->orientation)); 2234 (void) WriteBlobString(image,buffer); 2235 } 2236 if (image->profiles != (void *) NULL) 2237 { 2238 const char 2239 *name; 2240 2241 const StringInfo 2242 *profile; 2243 2244 /* 2245 Write image profiles. 2246 */ 2247 ResetImageProfileIterator(image); 2248 name=GetNextImageProfile(image); 2249 while (name != (const char *) NULL) 2250 { 2251 profile=GetImageProfile(image,name); 2252 if (profile != (StringInfo *) NULL) 2253 { 2254 (void) FormatLocaleString(buffer,MagickPathExtent, 2255 "profile:%s=%.20g\n",name,(double) 2256 GetStringInfoLength(profile)); 2257 (void) WriteBlobString(image,buffer); 2258 } 2259 name=GetNextImageProfile(image); 2260 } 2261 } 2262 if (image->montage != (char *) NULL) 2263 { 2264 (void) FormatLocaleString(buffer,MagickPathExtent,"montage=%s\n", 2265 image->montage); 2266 (void) WriteBlobString(image,buffer); 2267 } 2268 if (quantum_info->format == FloatingPointQuantumFormat) 2269 (void) SetImageProperty(image,"quantum:format","floating-point", 2270 exception); 2271 ResetImagePropertyIterator(image); 2272 property=GetNextImageProperty(image); 2273 while (property != (const char *) NULL) 2274 { 2275 (void) FormatLocaleString(buffer,MagickPathExtent,"%s=",property); 2276 (void) WriteBlobString(image,buffer); 2277 value=GetImageProperty(image,property,exception); 2278 if (value != (const char *) NULL) 2279 { 2280 size_t 2281 length; 2282 2283 length=strlen(value); 2284 for (i=0; i < (ssize_t) length; i++) 2285 if (isspace((int) ((unsigned char) value[i])) != 0) 2286 break; 2287 if ((i == (ssize_t) length) && (i != 0)) 2288 (void) WriteBlob(image,length,(const unsigned char *) value); 2289 else 2290 { 2291 (void) WriteBlobByte(image,'{'); 2292 if (strchr(value,'}') == (char *) NULL) 2293 (void) WriteBlob(image,length,(const unsigned char *) value); 2294 else 2295 for (i=0; i < (ssize_t) length; i++) 2296 { 2297 if (value[i] == (int) '}') 2298 (void) WriteBlobByte(image,'\\'); 2299 (void) WriteBlobByte(image,value[i]); 2300 } 2301 (void) WriteBlobByte(image,'}'); 2302 } 2303 } 2304 (void) WriteBlobByte(image,'\n'); 2305 property=GetNextImageProperty(image); 2306 } 2307 (void) WriteBlobString(image,"\f\n:\032"); 2308 if (image->montage != (char *) NULL) 2309 { 2310 /* 2311 Write montage tile directory. 2312 */ 2313 if (image->directory != (char *) NULL) 2314 (void) WriteBlob(image,strlen(image->directory),(unsigned char *) 2315 image->directory); 2316 (void) WriteBlobByte(image,'\0'); 2317 } 2318 if (image->profiles != (void *) NULL) 2319 { 2320 const char 2321 *name; 2322 2323 const StringInfo 2324 *profile; 2325 2326 /* 2327 Generic profile. 2328 */ 2329 ResetImageProfileIterator(image); 2330 name=GetNextImageProfile(image); 2331 while (name != (const char *) NULL) 2332 { 2333 profile=GetImageProfile(image,name); 2334 (void) WriteBlob(image,GetStringInfoLength(profile), 2335 GetStringInfoDatum(profile)); 2336 name=GetNextImageProfile(image); 2337 } 2338 } 2339 if (image->storage_class == PseudoClass) 2340 { 2341 size_t 2342 packet_size; 2343 2344 unsigned char 2345 *colormap, 2346 *q; 2347 2348 /* 2349 Allocate colormap. 2350 */ 2351 packet_size=(size_t) (3*quantum_info->depth/8); 2352 colormap=(unsigned char *) AcquireQuantumMemory(image->colors, 2353 packet_size*sizeof(*colormap)); 2354 if (colormap == (unsigned char *) NULL) 2355 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 2356 /* 2357 Write colormap to file. 2358 */ 2359 q=colormap; 2360 for (i=0; i < (ssize_t) image->colors; i++) 2361 { 2362 switch (quantum_info->depth) 2363 { 2364 default: 2365 ThrowWriterException(CorruptImageError,"ImageDepthNotSupported"); 2366 case 32: 2367 { 2368 register unsigned int 2369 pixel; 2370 2371 pixel=ScaleQuantumToLong(image->colormap[i].red); 2372 q=PopLongPixel(MSBEndian,pixel,q); 2373 pixel=ScaleQuantumToLong(image->colormap[i].green); 2374 q=PopLongPixel(MSBEndian,pixel,q); 2375 pixel=ScaleQuantumToLong(image->colormap[i].blue); 2376 q=PopLongPixel(MSBEndian,pixel,q); 2377 break; 2378 } 2379 case 16: 2380 { 2381 register unsigned short 2382 pixel; 2383 2384 pixel=ScaleQuantumToShort(image->colormap[i].red); 2385 q=PopShortPixel(MSBEndian,pixel,q); 2386 pixel=ScaleQuantumToShort(image->colormap[i].green); 2387 q=PopShortPixel(MSBEndian,pixel,q); 2388 pixel=ScaleQuantumToShort(image->colormap[i].blue); 2389 q=PopShortPixel(MSBEndian,pixel,q); 2390 break; 2391 } 2392 case 8: 2393 { 2394 register unsigned char 2395 pixel; 2396 2397 pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red); 2398 q=PopCharPixel(pixel,q); 2399 pixel=(unsigned char) ScaleQuantumToChar( 2400 image->colormap[i].green); 2401 q=PopCharPixel(pixel,q); 2402 pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue); 2403 q=PopCharPixel(pixel,q); 2404 break; 2405 } 2406 } 2407 } 2408 (void) WriteBlob(image,packet_size*image->colors,colormap); 2409 colormap=(unsigned char *) RelinquishMagickMemory(colormap); 2410 } 2411 /* 2412 Write image pixels to file. 2413 */ 2414 status=MagickTrue; 2415 switch (compression) 2416 { 2417 #if defined(MAGICKCORE_BZLIB_DELEGATE) 2418 case BZipCompression: 2419 { 2420 int 2421 code; 2422 2423 (void) ResetMagickMemory(&bzip_info,0,sizeof(bzip_info)); 2424 bzip_info.bzalloc=AcquireBZIPMemory; 2425 bzip_info.bzfree=RelinquishBZIPMemory; 2426 code=BZ2_bzCompressInit(&bzip_info,(int) (image->quality == 2427 UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10,9)), 2428 (int) image_info->verbose,0); 2429 if (code != BZ_OK) 2430 status=MagickFalse; 2431 break; 2432 } 2433 #endif 2434 #if defined(MAGICKCORE_LZMA_DELEGATE) 2435 case LZMACompression: 2436 { 2437 int 2438 code; 2439 2440 (void) ResetMagickMemory(&allocator,0,sizeof(allocator)); 2441 allocator.alloc=AcquireLZMAMemory; 2442 allocator.free=RelinquishLZMAMemory; 2443 lzma_info=initialize_lzma; 2444 lzma_info.allocator=&allocator; 2445 code=lzma_easy_encoder(&lzma_info,image->quality/10,LZMA_CHECK_SHA256); 2446 if (code != LZMA_OK) 2447 status=MagickTrue; 2448 break; 2449 } 2450 #endif 2451 #if defined(MAGICKCORE_ZLIB_DELEGATE) 2452 case LZWCompression: 2453 case ZipCompression: 2454 { 2455 int 2456 code; 2457 2458 (void) ResetMagickMemory(&zip_info,0,sizeof(zip_info)); 2459 zip_info.zalloc=AcquireZIPMemory; 2460 zip_info.zfree=RelinquishZIPMemory; 2461 code=deflateInit(&zip_info,(int) (image->quality == 2462 UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10,9))); 2463 if (code != Z_OK) 2464 status=MagickFalse; 2465 break; 2466 } 2467 #endif 2468 default: 2469 break; 2470 } 2471 quantum_type=GetQuantumType(image,exception); 2472 pixels=(unsigned char *) GetQuantumPixels(quantum_info); 2473 for (y=0; y < (ssize_t) image->rows; y++) 2474 { 2475 register const Quantum 2476 *magick_restrict p; 2477 2478 register ssize_t 2479 x; 2480 2481 if (status == MagickFalse) 2482 break; 2483 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 2484 if (p == (const Quantum *) NULL) 2485 break; 2486 q=pixels; 2487 switch (compression) 2488 { 2489 #if defined(MAGICKCORE_BZLIB_DELEGATE) 2490 case BZipCompression: 2491 { 2492 bzip_info.next_in=(char *) pixels; 2493 bzip_info.avail_in=(unsigned int) (packet_size*image->columns); 2494 (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2495 quantum_type,pixels,exception); 2496 do 2497 { 2498 int 2499 code; 2500 2501 bzip_info.next_out=(char *) compress_pixels; 2502 bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size* 2503 image->columns); 2504 code=BZ2_bzCompress(&bzip_info,BZ_FLUSH); 2505 if (code != BZ_OK) 2506 status=MagickFalse; 2507 length=(size_t) (bzip_info.next_out-(char *) compress_pixels); 2508 if (length != 0) 2509 { 2510 (void) WriteBlobMSBLong(image,(unsigned int) length); 2511 (void) WriteBlob(image,length,compress_pixels); 2512 } 2513 } while (bzip_info.avail_in != 0); 2514 break; 2515 } 2516 #endif 2517 #if defined(MAGICKCORE_LZMA_DELEGATE) 2518 case LZMACompression: 2519 { 2520 lzma_info.next_in=pixels; 2521 lzma_info.avail_in=packet_size*image->columns; 2522 (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2523 quantum_type,pixels,exception); 2524 do 2525 { 2526 int 2527 code; 2528 2529 lzma_info.next_out=compress_pixels; 2530 lzma_info.avail_out=packet_size*image->columns; 2531 code=lzma_code(&lzma_info,LZMA_RUN); 2532 if (code != LZMA_OK) 2533 status=MagickFalse; 2534 length=(size_t) (lzma_info.next_out-compress_pixels); 2535 if (length != 0) 2536 { 2537 (void) WriteBlobMSBLong(image,(unsigned int) length); 2538 (void) WriteBlob(image,length,compress_pixels); 2539 } 2540 } while (lzma_info.avail_in != 0); 2541 break; 2542 } 2543 #endif 2544 #if defined(MAGICKCORE_ZLIB_DELEGATE) 2545 case LZWCompression: 2546 case ZipCompression: 2547 { 2548 zip_info.next_in=pixels; 2549 zip_info.avail_in=(uInt) (packet_size*image->columns); 2550 (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2551 quantum_type,pixels,exception); 2552 do 2553 { 2554 int 2555 code; 2556 2557 zip_info.next_out=compress_pixels; 2558 zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*image->columns); 2559 code=deflate(&zip_info,Z_SYNC_FLUSH); 2560 if (code != Z_OK) 2561 status=MagickFalse; 2562 length=(size_t) (zip_info.next_out-compress_pixels); 2563 if (length != 0) 2564 { 2565 (void) WriteBlobMSBLong(image,(unsigned int) length); 2566 (void) WriteBlob(image,length,compress_pixels); 2567 } 2568 } while (zip_info.avail_in != 0); 2569 break; 2570 } 2571 #endif 2572 case RLECompression: 2573 { 2574 length=0; 2575 GetPixelInfoPixel(image,p,&pixel); 2576 p+=GetPixelChannels(image); 2577 for (x=1; x < (ssize_t) image->columns; x++) 2578 { 2579 GetPixelInfoPixel(image,p,&target); 2580 if ((length < 255) && 2581 (IsPixelInfoEquivalent(&pixel,&target) != MagickFalse)) 2582 length++; 2583 else 2584 { 2585 q=PopRunlengthPacket(image,q,length,&pixel,exception); 2586 length=0; 2587 } 2588 GetPixelInfoPixel(image,p,&pixel); 2589 p+=GetPixelChannels(image); 2590 } 2591 q=PopRunlengthPacket(image,q,length,&pixel,exception); 2592 (void) WriteBlob(image,(size_t) (q-pixels),pixels); 2593 break; 2594 } 2595 default: 2596 { 2597 (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, 2598 quantum_type,pixels,exception); 2599 (void) WriteBlob(image,packet_size*image->columns,pixels); 2600 break; 2601 } 2602 } 2603 if (image->previous == (Image *) NULL) 2604 { 2605 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, 2606 image->rows); 2607 if (status == MagickFalse) 2608 break; 2609 } 2610 } 2611 switch (compression) 2612 { 2613 #if defined(MAGICKCORE_BZLIB_DELEGATE) 2614 case BZipCompression: 2615 { 2616 int 2617 code; 2618 2619 for ( ; ; ) 2620 { 2621 if (status == MagickFalse) 2622 break; 2623 bzip_info.next_out=(char *) compress_pixels; 2624 bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size* 2625 image->columns); 2626 code=BZ2_bzCompress(&bzip_info,BZ_FINISH); 2627 length=(size_t) (bzip_info.next_out-(char *) compress_pixels); 2628 if (length != 0) 2629 { 2630 (void) WriteBlobMSBLong(image,(unsigned int) length); 2631 (void) WriteBlob(image,length,compress_pixels); 2632 } 2633 if (code == BZ_STREAM_END) 2634 break; 2635 } 2636 code=BZ2_bzCompressEnd(&bzip_info); 2637 if (code != BZ_OK) 2638 status=MagickFalse; 2639 break; 2640 } 2641 #endif 2642 #if defined(MAGICKCORE_LZMA_DELEGATE) 2643 case LZMACompression: 2644 { 2645 int 2646 code; 2647 2648 for ( ; ; ) 2649 { 2650 if (status == MagickFalse) 2651 break; 2652 lzma_info.next_out=compress_pixels; 2653 lzma_info.avail_out=packet_size*image->columns; 2654 code=lzma_code(&lzma_info,LZMA_FINISH); 2655 length=(size_t) (lzma_info.next_out-compress_pixels); 2656 if (length > 6) 2657 { 2658 (void) WriteBlobMSBLong(image,(unsigned int) length); 2659 (void) WriteBlob(image,length,compress_pixels); 2660 } 2661 if (code == LZMA_STREAM_END) 2662 break; 2663 } 2664 lzma_end(&lzma_info); 2665 break; 2666 } 2667 #endif 2668 #if defined(MAGICKCORE_ZLIB_DELEGATE) 2669 case LZWCompression: 2670 case ZipCompression: 2671 { 2672 int 2673 code; 2674 2675 for ( ; ; ) 2676 { 2677 if (status == MagickFalse) 2678 break; 2679 zip_info.next_out=compress_pixels; 2680 zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*image->columns); 2681 code=deflate(&zip_info,Z_FINISH); 2682 length=(size_t) (zip_info.next_out-compress_pixels); 2683 if (length > 6) 2684 { 2685 (void) WriteBlobMSBLong(image,(unsigned int) length); 2686 (void) WriteBlob(image,length,compress_pixels); 2687 } 2688 if (code == Z_STREAM_END) 2689 break; 2690 } 2691 code=deflateEnd(&zip_info); 2692 if (code != Z_OK) 2693 status=MagickFalse; 2694 break; 2695 } 2696 #endif 2697 default: 2698 break; 2699 } 2700 quantum_info=DestroyQuantumInfo(quantum_info); 2701 compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels); 2702 if (GetNextImageInList(image) == (Image *) NULL) 2703 break; 2704 image=SyncNextImageInList(image); 2705 status=SetImageProgress(image,SaveImagesTag,scene++,GetImageListLength( 2706 image)); 2707 if (status == MagickFalse) 2708 break; 2709 } while (image_info->adjoin != MagickFalse); 2710 (void) CloseBlob(image); 2711 return(status); 2712 } 2713
