granicus.if.org Git - imagemagick/blob - coders/mpc.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            M   M  PPPP    CCCC                              %
   7 %                            MM MM  P   P  C                                  %
   8 %                            M M M  PPPP   C                                  %
   9 %                            M   M  P      C                                  %
  10 %                            M   M  P       CCCC                              %
  11 %                                                                             %
  12 %                                                                             %
  13 %              Read/Write Magick Persistant Cache Image Format                %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                   Cristy                                    %
  17 %                                 March 2000                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2015 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 \f
  40 /*
  41   Include declarations.
  42 */
  43 #include "MagickCore/studio.h"
  44 #include "MagickCore/artifact.h"
  45 #include "MagickCore/attribute.h"
  46 #include "MagickCore/blob.h"
  47 #include "MagickCore/blob-private.h"
  48 #include "MagickCore/cache.h"
  49 #include "MagickCore/color.h"
  50 #include "MagickCore/color-private.h"
  51 #include "MagickCore/colormap.h"
  52 #include "MagickCore/constitute.h"
  53 #include "MagickCore/exception.h"
  54 #include "MagickCore/exception-private.h"
  55 #include "MagickCore/geometry.h"
  56 #include "MagickCore/hashmap.h"
  57 #include "MagickCore/image.h"
  58 #include "MagickCore/image-private.h"
  59 #include "MagickCore/list.h"
  60 #include "MagickCore/magick.h"
  61 #include "MagickCore/memory_.h"
  62 #include "MagickCore/module.h"
  63 #include "MagickCore/monitor.h"
  64 #include "MagickCore/monitor-private.h"
  65 #include "MagickCore/option.h"
  66 #include "MagickCore/profile.h"
  67 #include "MagickCore/property.h"
  68 #include "MagickCore/quantum-private.h"
  69 #include "MagickCore/static.h"
  70 #include "MagickCore/statistic.h"
  71 #include "MagickCore/string_.h"
  72 #include "MagickCore/string-private.h"
  73 #include "MagickCore/utility.h"
  74 #include "MagickCore/version-private.h"
  75 \f
  76 /*
  77   Forward declarations.
  78 */
  79 static MagickBooleanType
  80   WriteMPCImage(const ImageInfo *,Image *,ExceptionInfo *);
  81 \f
  82 /*
  83 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  84 %                                                                             %
  85 %                                                                             %
  86 %                                                                             %
  87 %   I s M P C                                                                 %
  88 %                                                                             %
  89 %                                                                             %
  90 %                                                                             %
  91 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  92 %
  93 %  IsMPC() returns MagickTrue if the image format type, identified by the
  94 %  magick string, is an Magick Persistent Cache image.
  95 %
  96 %  The format of the IsMPC method is:
  97 %
  98 %      MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
  99 %
 100 %  A description of each parameter follows:
 101 %
 102 %    o magick: compare image format pattern against these bytes.
 103 %
 104 %    o length: Specifies the length of the magick string.
 105 %
 106 */
 107 static MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
 108 {
 109   if (length < 14)
 110     return(MagickFalse);
 111   if (LocaleNCompare((const char *) magick,"id=MagickCache",14) == 0)
 112     return(MagickTrue);
 113   return(MagickFalse);
 114 }
 115 \f
 116 /*
 117 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 118 %                                                                             %
 119 %                                                                             %
 120 %                                                                             %
 121 %   R e a d C A C H E I m a g e                                               %
 122 %                                                                             %
 123 %                                                                             %
 124 %                                                                             %
 125 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 126 %
 127 %  ReadMPCImage() reads an Magick Persistent Cache image file and returns
 128 %  it.  It allocates the memory necessary for the new Image structure and
 129 %  returns a pointer to the new image.
 130 %
 131 %  The format of the ReadMPCImage method is:
 132 %
 133 %      Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
 134 %
 135 %  Decompression code contributed by Kyle Shorter.
 136 %
 137 %  A description of each parameter follows:
 138 %
 139 %    o image_info: the image info.
 140 %
 141 %    o exception: return any errors or warnings in this structure.
 142 %
 143 */
 144 static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
 145 {
 146   char
 147     cache_filename[MaxTextExtent],
 148     id[MaxTextExtent],
 149     keyword[MaxTextExtent],
 150     *options;
 151
 152   const unsigned char
 153     *p;
 154
 155   GeometryInfo
 156     geometry_info;
 157
 158   Image
 159     *image;
 160
 161   int
 162     c;
 163
 164   LinkedListInfo
 165     *profiles;
 166
 167   MagickBooleanType
 168     status;
 169
 170   MagickOffsetType
 171     offset;
 172
 173   MagickStatusType
 174     flags;
 175
 176   register ssize_t
 177     i;
 178
 179   size_t
 180     depth,
 181     length;
 182
 183   ssize_t
 184     count;
 185
 186   StringInfo
 187     *profile;
 188
 189   unsigned int
 190     signature;
 191
 192   /*
 193     Open image file.
 194   */
 195   assert(image_info != (const ImageInfo *) NULL);
 196   assert(image_info->signature == MagickSignature);
 197   if (image_info->debug != MagickFalse)
 198     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 199       image_info->filename);
 200   assert(exception != (ExceptionInfo *) NULL);
 201   assert(exception->signature == MagickSignature);
 202   image=AcquireImage(image_info,exception);
 203   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 204   if (status == MagickFalse)
 205     {
 206       image=DestroyImageList(image);
 207       return((Image *) NULL);
 208     }
 209   (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
 210   AppendImageFormat("cache",cache_filename);
 211   c=ReadBlobByte(image);
 212   if (c == EOF)
 213     {
 214       image=DestroyImage(image);
 215       return((Image *) NULL);
 216     }
 217   *id='\0';
 218   (void) ResetMagickMemory(keyword,0,sizeof(keyword));
 219   offset=0;
 220   do
 221   {
 222     /*
 223       Decode image header;  header terminates one character beyond a ':'.
 224     */
 225     profiles=(LinkedListInfo *) NULL;
 226     length=MaxTextExtent;
 227     options=AcquireString((char *) NULL);
 228     signature=GetMagickSignature((const StringInfo *) NULL);
 229     image->depth=8;
 230     image->compression=NoCompression;
 231     while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
 232     {
 233       register char
 234         *p;
 235
 236       if (c == (int) '{')
 237         {
 238           char
 239             *comment;
 240
 241           /*
 242             Read comment-- any text between { }.
 243           */
 244           length=MaxTextExtent;
 245           comment=AcquireString((char *) NULL);
 246           for (p=comment; comment != (char *) NULL; p++)
 247           {
 248             c=ReadBlobByte(image);
 249             if (c == (int) '\\')
 250               c=ReadBlobByte(image);
 251             else
 252               if ((c == EOF) || (c == (int) '}'))
 253                 break;
 254             if ((size_t) (p-comment+1) >= length)
 255               {
 256                 *p='\0';
 257                 length<<=1;
 258                 comment=(char *) ResizeQuantumMemory(comment,length+
 259                   MaxTextExtent,sizeof(*comment));
 260                 if (comment == (char *) NULL)
 261                   break;
 262                 p=comment+strlen(comment);
 263               }
 264             *p=(char) c;
 265           }
 266           if (comment == (char *) NULL)
 267             ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 268           *p='\0';
 269           (void) SetImageProperty(image,"comment",comment,exception);
 270           comment=DestroyString(comment);
 271           c=ReadBlobByte(image);
 272         }
 273       else
 274         if (isalnum(c) != MagickFalse)
 275           {
 276             /*
 277               Get the keyword.
 278             */
 279             length=MaxTextExtent;
 280             p=keyword;
 281             do
 282             {
 283               if (c == (int) '=')
 284                 break;
 285               if ((size_t) (p-keyword) < (MaxTextExtent-1))
 286                 *p++=(char) c;
 287               c=ReadBlobByte(image);
 288             } while (c != EOF);
 289             *p='\0';
 290             p=options;
 291             while (isspace((int) ((unsigned char) c)) != 0)
 292               c=ReadBlobByte(image);
 293             if (c == (int) '=')
 294               {
 295                 /*
 296                   Get the keyword value.
 297                 */
 298                 c=ReadBlobByte(image);
 299                 while ((c != (int) '}') && (c != EOF))
 300                 {
 301                   if ((size_t) (p-options+1) >= length)
 302                     {
 303                       *p='\0';
 304                       length<<=1;
 305                       options=(char *) ResizeQuantumMemory(options,length+
 306                         MaxTextExtent,sizeof(*options));
 307                       if (options == (char *) NULL)
 308                         break;
 309                       p=options+strlen(options);
 310                     }
 311                   *p++=(char) c;
 312                   c=ReadBlobByte(image);
 313                   if (c == '\\')
 314                     {
 315                       c=ReadBlobByte(image);
 316                       if (c == (int) '}')
 317                         {
 318                           *p++=(char) c;
 319                           c=ReadBlobByte(image);
 320                         }
 321                     }
 322                   if (*options != '{')
 323                     if (isspace((int) ((unsigned char) c)) != 0)
 324                       break;
 325                 }
 326                 if (options == (char *) NULL)
 327                   ThrowReaderException(ResourceLimitError,
 328                     "MemoryAllocationFailed");
 329               }
 330             *p='\0';
 331             if (*options == '{')
 332               (void) CopyMagickString(options,options+1,strlen(options));
 333             /*
 334               Assign a value to the specified keyword.
 335             */
 336             switch (*keyword)
 337             {
 338               case 'a':
 339               case 'A':
 340               {
 341                 if (LocaleCompare(keyword,"alpha-trait") == 0)
 342                   {
 343                     ssize_t
 344                       alpha_trait;
 345
 346                     alpha_trait=ParseCommandOption(MagickPixelTraitOptions,
 347                       MagickFalse,options);
 348                     if (alpha_trait < 0)
 349                       break;
 350                     image->alpha_trait=(PixelTrait) alpha_trait;
 351                     break;
 352                   }
 353                 (void) SetImageProperty(image,keyword,options,exception);
 354                 break;
 355               }
 356               case 'b':
 357               case 'B':
 358               {
 359                 if (LocaleCompare(keyword,"background-color") == 0)
 360                   {
 361                     (void) QueryColorCompliance(options,AllCompliance,
 362                       &image->background_color,exception);
 363                     break;
 364                   }
 365                 if (LocaleCompare(keyword,"blue-primary") == 0)
 366                   {
 367                     flags=ParseGeometry(options,&geometry_info);
 368                     image->chromaticity.blue_primary.x=geometry_info.rho;
 369                     image->chromaticity.blue_primary.y=geometry_info.sigma;
 370                     if ((flags & SigmaValue) == 0)
 371                       image->chromaticity.blue_primary.y=
 372                         image->chromaticity.blue_primary.x;
 373                     break;
 374                   }
 375                 if (LocaleCompare(keyword,"border-color") == 0)
 376                   {
 377                     (void) QueryColorCompliance(options,AllCompliance,
 378                       &image->border_color,exception);
 379                     break;
 380                   }
 381                 (void) SetImageProperty(image,keyword,options,exception);
 382                 break;
 383               }
 384               case 'c':
 385               case 'C':
 386               {
 387                 if (LocaleCompare(keyword,"class") == 0)
 388                   {
 389                     ssize_t
 390                       storage_class;
 391
 392                     storage_class=ParseCommandOption(MagickClassOptions,
 393                       MagickFalse,options);
 394                     if (storage_class < 0)
 395                       break;
 396                     image->storage_class=(ClassType) storage_class;
 397                     break;
 398                   }
 399                 if (LocaleCompare(keyword,"colors") == 0)
 400                   {
 401                     image->colors=StringToUnsignedLong(options);
 402                     break;
 403                   }
 404                 if (LocaleCompare(keyword,"colorspace") == 0)
 405                   {
 406                     ssize_t
 407                       colorspace;
 408
 409                     colorspace=ParseCommandOption(MagickColorspaceOptions,
 410                       MagickFalse,options);
 411                     if (colorspace < 0)
 412                       break;
 413                     image->colorspace=(ColorspaceType) colorspace;
 414                     break;
 415                   }
 416                 if (LocaleCompare(keyword,"compression") == 0)
 417                   {
 418                     ssize_t
 419                       compression;
 420
 421                     compression=ParseCommandOption(MagickCompressOptions,
 422                       MagickFalse,options);
 423                     if (compression < 0)
 424                       break;
 425                     image->compression=(CompressionType) compression;
 426                     break;
 427                   }
 428                 if (LocaleCompare(keyword,"columns") == 0)
 429                   {
 430                     image->columns=StringToUnsignedLong(options);
 431                     break;
 432                   }
 433                 (void) SetImageProperty(image,keyword,options,exception);
 434                 break;
 435               }
 436               case 'd':
 437               case 'D':
 438               {
 439                 if (LocaleCompare(keyword,"delay") == 0)
 440                   {
 441                     image->delay=StringToUnsignedLong(options);
 442                     break;
 443                   }
 444                 if (LocaleCompare(keyword,"depth") == 0)
 445                   {
 446                     image->depth=StringToUnsignedLong(options);
 447                     break;
 448                   }
 449                 if (LocaleCompare(keyword,"dispose") == 0)
 450                   {
 451                     ssize_t
 452                       dispose;
 453
 454                     dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
 455                       options);
 456                     if (dispose < 0)
 457                       break;
 458                     image->dispose=(DisposeType) dispose;
 459                     break;
 460                   }
 461                 (void) SetImageProperty(image,keyword,options,exception);
 462                 break;
 463               }
 464               case 'e':
 465               case 'E':
 466               {
 467                 if (LocaleCompare(keyword,"endian") == 0)
 468                   {
 469                     ssize_t
 470                       endian;
 471
 472                     endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
 473                       options);
 474                     if (endian < 0)
 475                       break;
 476                     image->endian=(EndianType) endian;
 477                     break;
 478                   }
 479                 if (LocaleCompare(keyword,"error") == 0)
 480                   {
 481                     image->error.mean_error_per_pixel=StringToDouble(options,
 482                       (char **) NULL);
 483                     break;
 484                   }
 485                 (void) SetImageProperty(image,keyword,options,exception);
 486                 break;
 487               }
 488               case 'g':
 489               case 'G':
 490               {
 491                 if (LocaleCompare(keyword,"gamma") == 0)
 492                   {
 493                     image->gamma=StringToDouble(options,(char **) NULL);
 494                     break;
 495                   }
 496                 if (LocaleCompare(keyword,"green-primary") == 0)
 497                   {
 498                     flags=ParseGeometry(options,&geometry_info);
 499                     image->chromaticity.green_primary.x=geometry_info.rho;
 500                     image->chromaticity.green_primary.y=geometry_info.sigma;
 501                     if ((flags & SigmaValue) == 0)
 502                       image->chromaticity.green_primary.y=
 503                         image->chromaticity.green_primary.x;
 504                     break;
 505                   }
 506                 (void) SetImageProperty(image,keyword,options,exception);
 507                 break;
 508               }
 509               case 'i':
 510               case 'I':
 511               {
 512                 if (LocaleCompare(keyword,"id") == 0)
 513                   {
 514                     (void) CopyMagickString(id,options,MaxTextExtent);
 515                     break;
 516                   }
 517                 if (LocaleCompare(keyword,"iterations") == 0)
 518                   {
 519                     image->iterations=StringToUnsignedLong(options);
 520                     break;
 521                   }
 522                 (void) SetImageProperty(image,keyword,options,exception);
 523                 break;
 524               }
 525               case 'm':
 526               case 'M':
 527               {
 528                 if (LocaleCompare(keyword,"magick-signature") == 0)
 529                   {
 530                     signature=(unsigned int) StringToUnsignedLong(options);
 531                     break;
 532                   }
 533                 if (LocaleCompare(keyword,"matte-color") == 0)
 534                   {
 535                     (void) QueryColorCompliance(options,AllCompliance,
 536                       &image->matte_color,exception);
 537                     break;
 538                   }
 539                 if (LocaleCompare(keyword,"maximum-error") == 0)
 540                   {
 541                     image->error.normalized_maximum_error=StringToDouble(
 542                       options,(char **) NULL);
 543                     break;
 544                   }
 545                 if (LocaleCompare(keyword,"mean-error") == 0)
 546                   {
 547                     image->error.normalized_mean_error=StringToDouble(options,
 548                       (char **) NULL);
 549                     break;
 550                   }
 551                 if (LocaleCompare(keyword,"montage") == 0)
 552                   {
 553                     (void) CloneString(&image->montage,options);
 554                     break;
 555                   }
 556                 (void) SetImageProperty(image,keyword,options,exception);
 557                 break;
 558               }
 559               case 'o':
 560               case 'O':
 561               {
 562                 if (LocaleCompare(keyword,"orientation") == 0)
 563                   {
 564                     ssize_t
 565                       orientation;
 566
 567                     orientation=ParseCommandOption(MagickOrientationOptions,
 568                       MagickFalse,options);
 569                     if (orientation < 0)
 570                       break;
 571                     image->orientation=(OrientationType) orientation;
 572                     break;
 573                   }
 574                 (void) SetImageProperty(image,keyword,options,exception);
 575                 break;
 576               }
 577               case 'p':
 578               case 'P':
 579               {
 580                 if (LocaleCompare(keyword,"page") == 0)
 581                   {
 582                     char
 583                       *geometry;
 584
 585                     geometry=GetPageGeometry(options);
 586                     (void) ParseAbsoluteGeometry(geometry,&image->page);
 587                     geometry=DestroyString(geometry);
 588                     break;
 589                   }
 590                 if (LocaleCompare(keyword,"pixel-intensity") == 0)
 591                   {
 592                     ssize_t
 593                       intensity;
 594
 595                     intensity=ParseCommandOption(MagickPixelIntensityOptions,
 596                       MagickFalse,options);
 597                     if (intensity < 0)
 598                       break;
 599                     image->intensity=(PixelIntensityMethod) intensity;
 600                     break;
 601                   }
 602                 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
 603                     (LocaleNCompare(keyword,"profile-",8) == 0))
 604                   {
 605                     if (profiles == (LinkedListInfo *) NULL)
 606                       profiles=NewLinkedList(0);
 607                     (void) AppendValueToLinkedList(profiles,
 608                       AcquireString(keyword+8));
 609                     profile=BlobToStringInfo((const void *) NULL,(size_t)
 610                       StringToLong(options));
 611                     if (profile == (StringInfo *) NULL)
 612                       ThrowReaderException(ResourceLimitError,
 613                         "MemoryAllocationFailed");
 614                     (void) SetImageProfile(image,keyword+8,profile,exception);
 615                     profile=DestroyStringInfo(profile);
 616                     break;
 617                   }
 618                 (void) SetImageProperty(image,keyword,options,exception);
 619                 break;
 620               }
 621               case 'q':
 622               case 'Q':
 623               {
 624                 if (LocaleCompare(keyword,"quality") == 0)
 625                   {
 626                     image->quality=StringToUnsignedLong(options);
 627                     break;
 628                   }
 629                 (void) SetImageProperty(image,keyword,options,exception);
 630                 break;
 631               }
 632               case 'r':
 633               case 'R':
 634               {
 635                 if (LocaleCompare(keyword,"red-primary") == 0)
 636                   {
 637                     flags=ParseGeometry(options,&geometry_info);
 638                     image->chromaticity.red_primary.x=geometry_info.rho;
 639                     if ((flags & SigmaValue) != 0)
 640                       image->chromaticity.red_primary.y=geometry_info.sigma;
 641                     break;
 642                   }
 643                 if (LocaleCompare(keyword,"rendering-intent") == 0)
 644                   {
 645                     ssize_t
 646                       rendering_intent;
 647
 648                     rendering_intent=ParseCommandOption(MagickIntentOptions,
 649                       MagickFalse,options);
 650                     if (rendering_intent < 0)
 651                       break;
 652                     image->rendering_intent=(RenderingIntent) rendering_intent;
 653                     break;
 654                   }
 655                 if (LocaleCompare(keyword,"resolution") == 0)
 656                   {
 657                     flags=ParseGeometry(options,&geometry_info);
 658                     image->resolution.x=geometry_info.rho;
 659                     image->resolution.y=geometry_info.sigma;
 660                     if ((flags & SigmaValue) == 0)
 661                       image->resolution.y=image->resolution.x;
 662                     break;
 663                   }
 664                 if (LocaleCompare(keyword,"rows") == 0)
 665                   {
 666                     image->rows=StringToUnsignedLong(options);
 667                     break;
 668                   }
 669                 (void) SetImageProperty(image,keyword,options,exception);
 670                 break;
 671               }
 672               case 's':
 673               case 'S':
 674               {
 675                 if (LocaleCompare(keyword,"scene") == 0)
 676                   {
 677                     image->scene=StringToUnsignedLong(options);
 678                     break;
 679                   }
 680                 (void) SetImageProperty(image,keyword,options,exception);
 681                 break;
 682               }
 683               case 't':
 684               case 'T':
 685               {
 686                 if (LocaleCompare(keyword,"ticks-per-second") == 0)
 687                   {
 688                     image->ticks_per_second=(ssize_t) StringToLong(options);
 689                     break;
 690                   }
 691                 if (LocaleCompare(keyword,"tile-offset") == 0)
 692                   {
 693                     char
 694                       *geometry;
 695
 696                     geometry=GetPageGeometry(options);
 697                     (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
 698                     geometry=DestroyString(geometry);
 699                   }
 700                 if (LocaleCompare(keyword,"type") == 0)
 701                   {
 702                     ssize_t
 703                       type;
 704
 705                     type=ParseCommandOption(MagickTypeOptions,MagickFalse,
 706                       options);
 707                     if (type < 0)
 708                       break;
 709                     image->type=(ImageType) type;
 710                     break;
 711                   }
 712                 (void) SetImageProperty(image,keyword,options,exception);
 713                 break;
 714               }
 715               case 'u':
 716               case 'U':
 717               {
 718                 if (LocaleCompare(keyword,"units") == 0)
 719                   {
 720                     ssize_t
 721                       units;
 722
 723                     units=ParseCommandOption(MagickResolutionOptions,
 724                       MagickFalse,options);
 725                     if (units < 0)
 726                       break;
 727                     image->units=(ResolutionType) units;
 728                     break;
 729                   }
 730                 (void) SetImageProperty(image,keyword,options,exception);
 731                 break;
 732               }
 733               case 'w':
 734               case 'W':
 735               {
 736                 if (LocaleCompare(keyword,"white-point") == 0)
 737                   {
 738                     flags=ParseGeometry(options,&geometry_info);
 739                     image->chromaticity.white_point.x=geometry_info.rho;
 740                     image->chromaticity.white_point.y=geometry_info.sigma;
 741                     if ((flags & SigmaValue) == 0)
 742                       image->chromaticity.white_point.y=
 743                         image->chromaticity.white_point.x;
 744                     break;
 745                   }
 746                 (void) SetImageProperty(image,keyword,options,exception);
 747                 break;
 748               }
 749               default:
 750               {
 751                 (void) SetImageProperty(image,keyword,options,exception);
 752                 break;
 753               }
 754             }
 755           }
 756         else
 757           c=ReadBlobByte(image);
 758       while (isspace((int) ((unsigned char) c)) != 0)
 759         c=ReadBlobByte(image);
 760     }
 761     options=DestroyString(options);
 762     (void) ReadBlobByte(image);
 763     /*
 764       Verify that required image information is defined.
 765     */
 766     if ((LocaleCompare(id,"MagickCache") != 0) ||
 767         (image->storage_class == UndefinedClass) ||
 768         (image->compression == UndefinedCompression) || (image->columns == 0) ||
 769         (image->rows == 0))
 770       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 771     if (signature != GetMagickSignature((const StringInfo *) NULL))
 772       ThrowReaderException(CacheError,"IncompatibleAPI");
 773     if (image->montage != (char *) NULL)
 774       {
 775         register char
 776           *p;
 777
 778         /*
 779           Image directory.
 780         */
 781         length=MaxTextExtent;
 782         image->directory=AcquireString((char *) NULL);
 783         p=image->directory;
 784         do
 785         {
 786           *p='\0';
 787           if ((strlen(image->directory)+MaxTextExtent) >= length)
 788             {
 789               /*
 790                 Allocate more memory for the image directory.
 791               */
 792               length<<=1;
 793               image->directory=(char *) ResizeQuantumMemory(image->directory,
 794                 length+MaxTextExtent,sizeof(*image->directory));
 795               if (image->directory == (char *) NULL)
 796                 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
 797               p=image->directory+strlen(image->directory);
 798             }
 799           c=ReadBlobByte(image);
 800           *p++=(char) c;
 801         } while (c != (int) '\0');
 802       }
 803     if (profiles != (LinkedListInfo *) NULL)
 804       {
 805         const char
 806           *name;
 807
 808         const StringInfo
 809           *profile;
 810
 811         register unsigned char
 812           *p;
 813
 814         /*
 815           Read image profiles.
 816         */
 817         ResetLinkedListIterator(profiles);
 818         name=(const char *) GetNextValueInLinkedList(profiles);
 819         while (name != (const char *) NULL)
 820         {
 821           profile=GetImageProfile(image,name);
 822           if (profile != (StringInfo *) NULL)
 823             {
 824               p=GetStringInfoDatum(profile);
 825               count=ReadBlob(image,GetStringInfoLength(profile),p);
 826             }
 827           name=(const char *) GetNextValueInLinkedList(profiles);
 828         }
 829         profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 830       }
 831     depth=GetImageQuantumDepth(image,MagickFalse);
 832     if (image->storage_class == PseudoClass)
 833       {
 834         /*
 835           Create image colormap.
 836         */
 837         if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
 838           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 839         if (image->colors != 0)
 840           {
 841             size_t
 842               packet_size;
 843
 844             unsigned char
 845               *colormap;
 846
 847             /*
 848               Read image colormap from file.
 849             */
 850             packet_size=(size_t) (3UL*depth/8UL);
 851             colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
 852               packet_size*sizeof(*colormap));
 853             if (colormap == (unsigned char *) NULL)
 854               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 855             count=ReadBlob(image,packet_size*image->colors,colormap);
 856             if (count != (ssize_t) (packet_size*image->colors))
 857               ThrowReaderException(CorruptImageError,
 858                 "InsufficientImageDataInFile");
 859             p=colormap;
 860             switch (depth)
 861             {
 862               default:
 863                 ThrowReaderException(CorruptImageError,
 864                   "ImageDepthNotSupported");
 865               case 8:
 866               {
 867                 unsigned char
 868                   pixel;
 869
 870                 for (i=0; i < (ssize_t) image->colors; i++)
 871                 {
 872                   p=PushCharPixel(p,&pixel);
 873                   image->colormap[i].red=ScaleCharToQuantum(pixel);
 874                   p=PushCharPixel(p,&pixel);
 875                   image->colormap[i].green=ScaleCharToQuantum(pixel);
 876                   p=PushCharPixel(p,&pixel);
 877                   image->colormap[i].blue=ScaleCharToQuantum(pixel);
 878                 }
 879                 break;
 880               }
 881               case 16:
 882               {
 883                 unsigned short
 884                   pixel;
 885
 886                 for (i=0; i < (ssize_t) image->colors; i++)
 887                 {
 888                   p=PushShortPixel(MSBEndian,p,&pixel);
 889                   image->colormap[i].red=ScaleShortToQuantum(pixel);
 890                   p=PushShortPixel(MSBEndian,p,&pixel);
 891                   image->colormap[i].green=ScaleShortToQuantum(pixel);
 892                   p=PushShortPixel(MSBEndian,p,&pixel);
 893                   image->colormap[i].blue=ScaleShortToQuantum(pixel);
 894                 }
 895                 break;
 896               }
 897               case 32:
 898               {
 899                 unsigned int
 900                   pixel;
 901
 902                 for (i=0; i < (ssize_t) image->colors; i++)
 903                 {
 904                   p=PushLongPixel(MSBEndian,p,&pixel);
 905                   image->colormap[i].red=ScaleLongToQuantum(pixel);
 906                   p=PushLongPixel(MSBEndian,p,&pixel);
 907                   image->colormap[i].green=ScaleLongToQuantum(pixel);
 908                   p=PushLongPixel(MSBEndian,p,&pixel);
 909                   image->colormap[i].blue=ScaleLongToQuantum(pixel);
 910                 }
 911                 break;
 912               }
 913             }
 914             colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 915           }
 916       }
 917     if (EOFBlob(image) != MagickFalse)
 918       {
 919         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
 920           image->filename);
 921         break;
 922       }
 923     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 924       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 925         break;
 926     status=SetImageExtent(image,image->columns,image->rows,exception);
 927     if (status == MagickFalse)
 928       return(DestroyImageList(image));
 929     /*
 930       Attach persistent pixel cache.
 931     */
 932     status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
 933     if (status == MagickFalse)
 934       ThrowReaderException(CacheError,"UnableToPersistPixelCache");
 935     /*
 936       Proceed to next image.
 937     */
 938     do
 939     {
 940       c=ReadBlobByte(image);
 941     } while ((isgraph(c) == MagickFalse) && (c != EOF));
 942     if (c != EOF)
 943       {
 944         /*
 945           Allocate next image structure.
 946         */
 947         AcquireNextImage(image_info,image,exception);
 948         if (GetNextImageInList(image) == (Image *) NULL)
 949           {
 950             image=DestroyImageList(image);
 951             return((Image *) NULL);
 952           }
 953         image=SyncNextImageInList(image);
 954         status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
 955           GetBlobSize(image));
 956         if (status == MagickFalse)
 957           break;
 958       }
 959   } while (c != EOF);
 960   (void) CloseBlob(image);
 961   return(GetFirstImageInList(image));
 962 }
 963 \f
 964 /*
 965 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 966 %                                                                             %
 967 %                                                                             %
 968 %                                                                             %
 969 %   R e g i s t e r M P C I m a g e                                           %
 970 %                                                                             %
 971 %                                                                             %
 972 %                                                                             %
 973 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 974 %
 975 %  RegisterMPCImage() adds properties for the Cache image format to
 976 %  the list of supported formats.  The properties include the image format
 977 %  tag, a method to read and/or write the format, whether the format
 978 %  supports the saving of more than one frame to the same file or blob,
 979 %  whether the format supports native in-memory I/O, and a brief
 980 %  description of the format.
 981 %
 982 %  The format of the RegisterMPCImage method is:
 983 %
 984 %      size_t RegisterMPCImage(void)
 985 %
 986 */
 987 ModuleExport size_t RegisterMPCImage(void)
 988 {
 989   MagickInfo
 990     *entry;
 991
 992   entry=SetMagickInfo("CACHE");
 993   entry->description=ConstantString("Magick Persistent Cache image format");
 994   entry->module=ConstantString("CACHE");
 995   entry->stealth=MagickTrue;
 996   (void) RegisterMagickInfo(entry);
 997   entry=SetMagickInfo("MPC");
 998   entry->decoder=(DecodeImageHandler *) ReadMPCImage;
 999   entry->encoder=(EncodeImageHandler *) WriteMPCImage;
1000   entry->magick=(IsImageFormatHandler *) IsMPC;
1001   entry->description=ConstantString("Magick Persistent Cache image format");
1002   entry->module=ConstantString("MPC");
1003   (void) RegisterMagickInfo(entry);
1004   return(MagickImageCoderSignature);
1005 }
1006 \f
1007 /*
1008 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1009 %                                                                             %
1010 %                                                                             %
1011 %                                                                             %
1012 %   U n r e g i s t e r M P C I m a g e                                       %
1013 %                                                                             %
1014 %                                                                             %
1015 %                                                                             %
1016 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1017 %
1018 %  UnregisterMPCImage() removes format registrations made by the
1019 %  MPC module from the list of supported formats.
1020 %
1021 %  The format of the UnregisterMPCImage method is:
1022 %
1023 %      UnregisterMPCImage(void)
1024 %
1025 */
1026 ModuleExport void UnregisterMPCImage(void)
1027 {
1028   (void) UnregisterMagickInfo("CACHE");
1029   (void) UnregisterMagickInfo("MPC");
1030 }
1031 \f
1032 /*
1033 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1034 %                                                                             %
1035 %                                                                             %
1036 %                                                                             %
1037 %   W r i t e M P C I m a g e                                                 %
1038 %                                                                             %
1039 %                                                                             %
1040 %                                                                             %
1041 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1042 %
1043 %  WriteMPCImage() writes an Magick Persistent Cache image to a file.
1044 %
1045 %  The format of the WriteMPCImage method is:
1046 %
1047 %      MagickBooleanType WriteMPCImage(const ImageInfo *image_info,
1048 %        Image *image,ExceptionInfo *exception)
1049 %
1050 %  A description of each parameter follows:
1051 %
1052 %    o image_info: the image info.
1053 %
1054 %    o image: the image.
1055 %
1056 %    o exception: return any errors or warnings in this structure.
1057 %
1058 */
1059 static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image,
1060   ExceptionInfo *exception)
1061 {
1062   char
1063     buffer[MaxTextExtent],
1064     cache_filename[MaxTextExtent];
1065
1066   const char
1067     *property,
1068     *value;
1069
1070   MagickBooleanType
1071     status;
1072
1073   MagickOffsetType
1074     offset,
1075     scene;
1076
1077   register ssize_t
1078     i;
1079
1080   size_t
1081     depth;
1082
1083   /*
1084     Open persistent cache.
1085   */
1086   assert(image_info != (const ImageInfo *) NULL);
1087   assert(image_info->signature == MagickSignature);
1088   assert(image != (Image *) NULL);
1089   assert(image->signature == MagickSignature);
1090   if (image->debug != MagickFalse)
1091     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1092   assert(exception != (ExceptionInfo *) NULL);
1093   assert(exception->signature == MagickSignature);
1094   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1095   if (status == MagickFalse)
1096     return(status);
1097   (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
1098   AppendImageFormat("cache",cache_filename);
1099   scene=0;
1100   offset=0;
1101   do
1102   {
1103     /*
1104       Write persistent cache meta-information.
1105     */
1106     depth=GetImageQuantumDepth(image,MagickTrue);
1107     if ((image->storage_class == PseudoClass) &&
1108         (image->colors > (size_t) (GetQuantumRange(image->depth)+1)))
1109       (void) SetImageStorageClass(image,DirectClass,exception);
1110     (void) WriteBlobString(image,"id=MagickCache\n");
1111     (void) FormatLocaleString(buffer,MaxTextExtent,"magick-signature=%u\n",
1112       GetMagickSignature((const StringInfo *) NULL));
1113     (void) WriteBlobString(image,buffer);
1114     (void) FormatLocaleString(buffer,MaxTextExtent,
1115       "class=%s  colors=%.20g  alpha-trait=%s\n",CommandOptionToMnemonic(
1116       MagickClassOptions,image->storage_class),(double) image->colors,
1117       CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
1118       image->alpha_trait));
1119     (void) WriteBlobString(image,buffer);
1120     (void) FormatLocaleString(buffer,MaxTextExtent,
1121       "columns=%.20g  rows=%.20g depth=%.20g\n",(double) image->columns,
1122       (double) image->rows,(double) image->depth);
1123     (void) WriteBlobString(image,buffer);
1124     if (image->type != UndefinedType)
1125       {
1126         (void) FormatLocaleString(buffer,MaxTextExtent,"type=%s\n",
1127           CommandOptionToMnemonic(MagickTypeOptions,image->type));
1128         (void) WriteBlobString(image,buffer);
1129       }
1130     if (image->colorspace != UndefinedColorspace)
1131       {
1132         (void) FormatLocaleString(buffer,MaxTextExtent,"colorspace=%s\n",
1133           CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
1134         (void) WriteBlobString(image,buffer);
1135       }
1136     if (image->intensity != UndefinedPixelIntensityMethod)
1137       {
1138         (void) FormatLocaleString(buffer,MaxTextExtent,"pixel-intensity=%s\n",
1139           CommandOptionToMnemonic(MagickPixelIntensityOptions,
1140           image->intensity));
1141         (void) WriteBlobString(image,buffer);
1142       }
1143     if (image->endian != UndefinedEndian)
1144       {
1145         (void) FormatLocaleString(buffer,MaxTextExtent,"endian=%s\n",
1146           CommandOptionToMnemonic(MagickEndianOptions,image->endian));
1147         (void) WriteBlobString(image,buffer);
1148       }
1149     if (image->compression != UndefinedCompression)
1150       {
1151         (void) FormatLocaleString(buffer,MaxTextExtent,
1152           "compression=%s  quality=%.20g\n",CommandOptionToMnemonic(
1153           MagickCompressOptions,image->compression),(double) image->quality);
1154         (void) WriteBlobString(image,buffer);
1155       }
1156     if (image->units != UndefinedResolution)
1157       {
1158         (void) FormatLocaleString(buffer,MaxTextExtent,"units=%s\n",
1159           CommandOptionToMnemonic(MagickResolutionOptions,image->units));
1160         (void) WriteBlobString(image,buffer);
1161       }
1162     if ((image->resolution.x != 0) || (image->resolution.y != 0))
1163       {
1164         (void) FormatLocaleString(buffer,MaxTextExtent,
1165           "resolution=%gx%g\n",image->resolution.x,image->resolution.y);
1166         (void) WriteBlobString(image,buffer);
1167       }
1168     if ((image->page.width != 0) || (image->page.height != 0))
1169       {
1170         (void) FormatLocaleString(buffer,MaxTextExtent,
1171           "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1172           image->page.height,(double) image->page.x,(double) image->page.y);
1173         (void) WriteBlobString(image,buffer);
1174       }
1175     else
1176       if ((image->page.x != 0) || (image->page.y != 0))
1177         {
1178           (void) FormatLocaleString(buffer,MaxTextExtent,"page=%+ld%+ld\n",
1179             (long) image->page.x,(long) image->page.y);
1180           (void) WriteBlobString(image,buffer);
1181         }
1182     if ((image->page.x != 0) || (image->page.y != 0))
1183       {
1184         (void) FormatLocaleString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n",
1185           (long) image->tile_offset.x,(long) image->tile_offset.y);
1186         (void) WriteBlobString(image,buffer);
1187       }
1188     if ((GetNextImageInList(image) != (Image *) NULL) ||
1189         (GetPreviousImageInList(image) != (Image *) NULL))
1190       {
1191         if (image->scene == 0)
1192           (void) FormatLocaleString(buffer,MaxTextExtent,
1193             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",(double)
1194             image->iterations,(double) image->delay,(double)
1195             image->ticks_per_second);
1196         else
1197           (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g  "
1198             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",
1199             (double) image->scene,(double) image->iterations,(double)
1200             image->delay,(double) image->ticks_per_second);
1201         (void) WriteBlobString(image,buffer);
1202       }
1203     else
1204       {
1205         if (image->scene != 0)
1206           {
1207             (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g\n",
1208               (double) image->scene);
1209             (void) WriteBlobString(image,buffer);
1210           }
1211         if (image->iterations != 0)
1212           {
1213             (void) FormatLocaleString(buffer,MaxTextExtent,"iterations=%.20g\n",
1214               (double) image->iterations);
1215             (void) WriteBlobString(image,buffer);
1216           }
1217         if (image->delay != 0)
1218           {
1219             (void) FormatLocaleString(buffer,MaxTextExtent,"delay=%.20g\n",
1220               (double) image->delay);
1221             (void) WriteBlobString(image,buffer);
1222           }
1223         if (image->ticks_per_second != UndefinedTicksPerSecond)
1224           {
1225             (void) FormatLocaleString(buffer,MaxTextExtent,
1226               "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
1227             (void) WriteBlobString(image,buffer);
1228           }
1229       }
1230     if (image->gravity != UndefinedGravity)
1231       {
1232         (void) FormatLocaleString(buffer,MaxTextExtent,"gravity=%s\n",
1233           CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
1234         (void) WriteBlobString(image,buffer);
1235       }
1236     if (image->dispose != UndefinedDispose)
1237       {
1238         (void) FormatLocaleString(buffer,MaxTextExtent,"dispose=%s\n",
1239           CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
1240         (void) WriteBlobString(image,buffer);
1241       }
1242     if (image->rendering_intent != UndefinedIntent)
1243       {
1244         (void) FormatLocaleString(buffer,MaxTextExtent,
1245           "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
1246           image->rendering_intent));
1247         (void) WriteBlobString(image,buffer);
1248       }
1249     if (image->gamma != 0.0)
1250       {
1251         (void) FormatLocaleString(buffer,MaxTextExtent,"gamma=%g\n",
1252           image->gamma);
1253         (void) WriteBlobString(image,buffer);
1254       }
1255     if (image->chromaticity.white_point.x != 0.0)
1256       {
1257         /*
1258           Note chomaticity points.
1259         */
1260         (void) FormatLocaleString(buffer,MaxTextExtent,"red-primary="
1261           "%g,%g  green-primary=%g,%g  blue-primary=%g,%g\n",
1262           image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
1263           image->chromaticity.green_primary.x,
1264           image->chromaticity.green_primary.y,
1265           image->chromaticity.blue_primary.x,
1266           image->chromaticity.blue_primary.y);
1267         (void) WriteBlobString(image,buffer);
1268         (void) FormatLocaleString(buffer,MaxTextExtent,
1269           "white-point=%g,%g\n",image->chromaticity.white_point.x,
1270           image->chromaticity.white_point.y);
1271         (void) WriteBlobString(image,buffer);
1272       }
1273     if (image->orientation != UndefinedOrientation)
1274       {
1275         (void) FormatLocaleString(buffer,MaxTextExtent,
1276           "orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
1277           image->orientation));
1278         (void) WriteBlobString(image,buffer);
1279       }
1280     if (image->profiles != (void *) NULL)
1281       {
1282         const char
1283           *name;
1284
1285         const StringInfo
1286           *profile;
1287
1288         /*
1289           Generic profile.
1290         */
1291         ResetImageProfileIterator(image);
1292         for (name=GetNextImageProfile(image); name != (const char *) NULL; )
1293         {
1294           profile=GetImageProfile(image,name);
1295           if (profile != (StringInfo *) NULL)
1296             {
1297               (void) FormatLocaleString(buffer,MaxTextExtent,
1298                 "profile:%s=%.20g\n",name,(double)
1299                 GetStringInfoLength(profile));
1300               (void) WriteBlobString(image,buffer);
1301             }
1302           name=GetNextImageProfile(image);
1303         }
1304       }
1305     if (image->montage != (char *) NULL)
1306       {
1307         (void) FormatLocaleString(buffer,MaxTextExtent,"montage=%s\n",
1308           image->montage);
1309         (void) WriteBlobString(image,buffer);
1310       }
1311     ResetImagePropertyIterator(image);
1312     property=GetNextImageProperty(image);
1313     while (property != (const char *) NULL)
1314     {
1315       (void) FormatLocaleString(buffer,MaxTextExtent,"%s=",property);
1316       (void) WriteBlobString(image,buffer);
1317       value=GetImageProperty(image,property,exception);
1318       if (value != (const char *) NULL)
1319         {
1320           size_t
1321             length;
1322
1323           length=strlen(value);
1324           for (i=0; i < (ssize_t) length; i++)
1325             if (isspace((int) ((unsigned char) value[i])) != 0)
1326               break;
1327           if ((i == (ssize_t) length) && (i != 0))
1328             (void) WriteBlob(image,length,(const unsigned char *) value);
1329           else
1330             {
1331               (void) WriteBlobByte(image,'{');
1332               if (strchr(value,'}') == (char *) NULL)
1333                 (void) WriteBlob(image,length,(const unsigned char *) value);
1334               else
1335                 for (i=0; i < (ssize_t) length; i++)
1336                 {
1337                   if (value[i] == (int) '}')
1338                     (void) WriteBlobByte(image,'\\');
1339                   (void) WriteBlobByte(image,value[i]);
1340                 }
1341               (void) WriteBlobByte(image,'}');
1342             }
1343         }
1344       (void) WriteBlobByte(image,'\n');
1345       property=GetNextImageProperty(image);
1346     }
1347     (void) WriteBlobString(image,"\f\n:\032");
1348     if (image->montage != (char *) NULL)
1349       {
1350         /*
1351           Write montage tile directory.
1352         */
1353         if (image->directory != (char *) NULL)
1354           (void) WriteBlobString(image,image->directory);
1355         (void) WriteBlobByte(image,'\0');
1356       }
1357     if (image->profiles != 0)
1358       {
1359         const char
1360           *name;
1361
1362         const StringInfo
1363           *profile;
1364
1365         /*
1366           Write image profiles.
1367         */
1368         ResetImageProfileIterator(image);
1369         name=GetNextImageProfile(image);
1370         while (name != (const char *) NULL)
1371         {
1372           profile=GetImageProfile(image,name);
1373           (void) WriteBlob(image,GetStringInfoLength(profile),
1374             GetStringInfoDatum(profile));
1375           name=GetNextImageProfile(image);
1376         }
1377       }
1378     if (image->storage_class == PseudoClass)
1379       {
1380         size_t
1381           packet_size;
1382
1383         unsigned char
1384           *colormap,
1385           *q;
1386
1387         /*
1388           Allocate colormap.
1389         */
1390         packet_size=(size_t) (3UL*depth/8UL);
1391         colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1392           packet_size*sizeof(*colormap));
1393         if (colormap == (unsigned char *) NULL)
1394           return(MagickFalse);
1395         /*
1396           Write colormap to file.
1397         */
1398         q=colormap;
1399         for (i=0; i < (ssize_t) image->colors; i++)
1400         {
1401           switch (depth)
1402           {
1403             default:
1404               ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
1405             case 32:
1406             {
1407               unsigned int
1408                 pixel;
1409
1410               pixel=ScaleQuantumToLong(image->colormap[i].red);
1411               q=PopLongPixel(MSBEndian,pixel,q);
1412               pixel=ScaleQuantumToLong(image->colormap[i].green);
1413               q=PopLongPixel(MSBEndian,pixel,q);
1414               pixel=ScaleQuantumToLong(image->colormap[i].blue);
1415               q=PopLongPixel(MSBEndian,pixel,q);
1416               break;
1417             }
1418             case 16:
1419             {
1420               unsigned short
1421                 pixel;
1422
1423               pixel=ScaleQuantumToShort(image->colormap[i].red);
1424               q=PopShortPixel(MSBEndian,pixel,q);
1425               pixel=ScaleQuantumToShort(image->colormap[i].green);
1426               q=PopShortPixel(MSBEndian,pixel,q);
1427               pixel=ScaleQuantumToShort(image->colormap[i].blue);
1428               q=PopShortPixel(MSBEndian,pixel,q);
1429               break;
1430             }
1431             case 8:
1432             {
1433               unsigned char
1434                 pixel;
1435
1436               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
1437               q=PopCharPixel(pixel,q);
1438               pixel=(unsigned char) ScaleQuantumToChar(
1439                 image->colormap[i].green);
1440               q=PopCharPixel(pixel,q);
1441               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
1442               q=PopCharPixel(pixel,q);
1443               break;
1444             }
1445           }
1446         }
1447         (void) WriteBlob(image,packet_size*image->colors,colormap);
1448         colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1449       }
1450     /*
1451       Initialize persistent pixel cache.
1452     */
1453     status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
1454       exception);
1455     if (status == MagickFalse)
1456       ThrowWriterException(CacheError,"UnableToPersistPixelCache");
1457     if (GetNextImageInList(image) == (Image *) NULL)
1458       break;
1459     image=SyncNextImageInList(image);
1460     if (image->progress_monitor != (MagickProgressMonitor) NULL)
1461       {
1462         status=image->progress_monitor(SaveImagesTag,scene,
1463           GetImageListLength(image),image->client_data);
1464         if (status == MagickFalse)
1465           break;
1466       }
1467     scene++;
1468   } while (image_info->adjoin != MagickFalse);
1469   (void) CloseBlob(image);
1470   return(status);
1471 }