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 %                                John Cristy                                  %
  17 %                                 March 2000                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2013 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             p=keyword;
 280             do
 281             {
 282               if (c == (int) '=')
 283                 break;
 284               if ((size_t) (p-keyword) < (MaxTextExtent-1))
 285                 *p++=(char) c;
 286               c=ReadBlobByte(image);
 287             } while (c != EOF);
 288             *p='\0';
 289             p=options;
 290             while (isspace((int) ((unsigned char) c)) != 0)
 291               c=ReadBlobByte(image);
 292             if (c == (int) '=')
 293               {
 294                 /*
 295                   Get the keyword value.
 296                 */
 297                 c=ReadBlobByte(image);
 298                 while ((c != (int) '}') && (c != EOF))
 299                 {
 300                   if ((size_t) (p-options+1) >= length)
 301                     {
 302                       *p='\0';
 303                       length<<=1;
 304                       options=(char *) ResizeQuantumMemory(options,length+
 305                         MaxTextExtent,sizeof(*options));
 306                       if (options == (char *) NULL)
 307                         break;
 308                       p=options+strlen(options);
 309                     }
 310                   if (options == (char *) NULL)
 311                     ThrowReaderException(ResourceLimitError,
 312                       "MemoryAllocationFailed");
 313                   *p++=(char) c;
 314                   c=ReadBlobByte(image);
 315                   if (c == '\\')
 316                     {
 317                       c=ReadBlobByte(image);
 318                       if (c == (int) '}')
 319                         {
 320                           *p++=(char) c;
 321                           c=ReadBlobByte(image);
 322                         }
 323                     }
 324                   if (*options != '{')
 325                     if (isspace((int) ((unsigned char) c)) != 0)
 326                       break;
 327                 }
 328               }
 329             *p='\0';
 330             if (*options == '{')
 331               (void) CopyMagickString(options,options+1,strlen(options));
 332             /*
 333               Assign a value to the specified keyword.
 334             */
 335             switch (*keyword)
 336             {
 337               case 'a':
 338               case 'A':
 339               {
 340                 if (LocaleCompare(keyword,"alpha-trait") == 0)
 341                   {
 342                     ssize_t
 343                       alpha_trait;
 344
 345                     alpha_trait=ParseCommandOption(MagickPixelTraitOptions,
 346                       MagickFalse,options);
 347                     if (alpha_trait < 0)
 348                       break;
 349                     image->alpha_trait=(PixelTrait) alpha_trait;
 350                     break;
 351                   }
 352                 (void) SetImageProperty(image,keyword,options,exception);
 353                 break;
 354               }
 355               case 'b':
 356               case 'B':
 357               {
 358                 if (LocaleCompare(keyword,"background-color") == 0)
 359                   {
 360                     (void) QueryColorCompliance(options,AllCompliance,
 361                       &image->background_color,exception);
 362                     break;
 363                   }
 364                 if (LocaleCompare(keyword,"blue-primary") == 0)
 365                   {
 366                     flags=ParseGeometry(options,&geometry_info);
 367                     image->chromaticity.blue_primary.x=geometry_info.rho;
 368                     image->chromaticity.blue_primary.y=geometry_info.sigma;
 369                     if ((flags & SigmaValue) == 0)
 370                       image->chromaticity.blue_primary.y=
 371                         image->chromaticity.blue_primary.x;
 372                     break;
 373                   }
 374                 if (LocaleCompare(keyword,"border-color") == 0)
 375                   {
 376                     (void) QueryColorCompliance(options,AllCompliance,
 377                       &image->border_color,exception);
 378                     break;
 379                   }
 380                 (void) SetImageProperty(image,keyword,options,exception);
 381                 break;
 382               }
 383               case 'c':
 384               case 'C':
 385               {
 386                 if (LocaleCompare(keyword,"class") == 0)
 387                   {
 388                     ssize_t
 389                       storage_class;
 390
 391                     storage_class=ParseCommandOption(MagickClassOptions,
 392                       MagickFalse,options);
 393                     if (storage_class < 0)
 394                       break;
 395                     image->storage_class=(ClassType) storage_class;
 396                     break;
 397                   }
 398                 if (LocaleCompare(keyword,"colors") == 0)
 399                   {
 400                     image->colors=StringToUnsignedLong(options);
 401                     break;
 402                   }
 403                 if (LocaleCompare(keyword,"colorspace") == 0)
 404                   {
 405                     ssize_t
 406                       colorspace;
 407
 408                     colorspace=ParseCommandOption(MagickColorspaceOptions,
 409                       MagickFalse,options);
 410                     if (colorspace < 0)
 411                       break;
 412                     (void) SetImageColorspace(image,(ColorspaceType) colorspace,                      exception);
 413                     break;
 414                   }
 415                 if (LocaleCompare(keyword,"compression") == 0)
 416                   {
 417                     ssize_t
 418                       compression;
 419
 420                     compression=ParseCommandOption(MagickCompressOptions,
 421                       MagickFalse,options);
 422                     if (compression < 0)
 423                       break;
 424                     image->compression=(CompressionType) compression;
 425                     break;
 426                   }
 427                 if (LocaleCompare(keyword,"columns") == 0)
 428                   {
 429                     image->columns=StringToUnsignedLong(options);
 430                     break;
 431                   }
 432                 (void) SetImageProperty(image,keyword,options,exception);
 433                 break;
 434               }
 435               case 'd':
 436               case 'D':
 437               {
 438                 if (LocaleCompare(keyword,"delay") == 0)
 439                   {
 440                     image->delay=StringToUnsignedLong(options);
 441                     break;
 442                   }
 443                 if (LocaleCompare(keyword,"depth") == 0)
 444                   {
 445                     image->depth=StringToUnsignedLong(options);
 446                     break;
 447                   }
 448                 if (LocaleCompare(keyword,"dispose") == 0)
 449                   {
 450                     ssize_t
 451                       dispose;
 452
 453                     dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
 454                       options);
 455                     if (dispose < 0)
 456                       break;
 457                     image->dispose=(DisposeType) dispose;
 458                     break;
 459                   }
 460                 (void) SetImageProperty(image,keyword,options,exception);
 461                 break;
 462               }
 463               case 'e':
 464               case 'E':
 465               {
 466                 if (LocaleCompare(keyword,"endian") == 0)
 467                   {
 468                     ssize_t
 469                       endian;
 470
 471                     endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
 472                       options);
 473                     if (endian < 0)
 474                       break;
 475                     image->endian=(EndianType) endian;
 476                     break;
 477                   }
 478                 if (LocaleCompare(keyword,"error") == 0)
 479                   {
 480                     image->error.mean_error_per_pixel=StringToDouble(options,
 481                       (char **) NULL);
 482                     break;
 483                   }
 484                 (void) SetImageProperty(image,keyword,options,exception);
 485                 break;
 486               }
 487               case 'g':
 488               case 'G':
 489               {
 490                 if (LocaleCompare(keyword,"gamma") == 0)
 491                   {
 492                     image->gamma=StringToDouble(options,(char **) NULL);
 493                     break;
 494                   }
 495                 if (LocaleCompare(keyword,"green-primary") == 0)
 496                   {
 497                     flags=ParseGeometry(options,&geometry_info);
 498                     image->chromaticity.green_primary.x=geometry_info.rho;
 499                     image->chromaticity.green_primary.y=geometry_info.sigma;
 500                     if ((flags & SigmaValue) == 0)
 501                       image->chromaticity.green_primary.y=
 502                         image->chromaticity.green_primary.x;
 503                     break;
 504                   }
 505                 (void) SetImageProperty(image,keyword,options,exception);
 506                 break;
 507               }
 508               case 'i':
 509               case 'I':
 510               {
 511                 if (LocaleCompare(keyword,"id") == 0)
 512                   {
 513                     (void) CopyMagickString(id,options,MaxTextExtent);
 514                     break;
 515                   }
 516                 if (LocaleCompare(keyword,"iterations") == 0)
 517                   {
 518                     image->iterations=StringToUnsignedLong(options);
 519                     break;
 520                   }
 521                 (void) SetImageProperty(image,keyword,options,exception);
 522                 break;
 523               }
 524               case 'm':
 525               case 'M':
 526               {
 527                 if (LocaleCompare(keyword,"matte-color") == 0)
 528                   {
 529                     (void) QueryColorCompliance(options,AllCompliance,
 530                       &image->matte_color,exception);
 531                     break;
 532                   }
 533                 if (LocaleCompare(keyword,"maximum-error") == 0)
 534                   {
 535                     image->error.normalized_maximum_error=StringToDouble(
 536                       options,(char **) NULL);
 537                     break;
 538                   }
 539                 if (LocaleCompare(keyword,"mean-error") == 0)
 540                   {
 541                     image->error.normalized_mean_error=StringToDouble(options,
 542                       (char **) NULL);
 543                     break;
 544                   }
 545                 if (LocaleCompare(keyword,"montage") == 0)
 546                   {
 547                     (void) CloneString(&image->montage,options);
 548                     break;
 549                   }
 550                 (void) SetImageProperty(image,keyword,options,exception);
 551                 break;
 552               }
 553               case 'o':
 554               case 'O':
 555               {
 556                 if (LocaleCompare(keyword,"orientation") == 0)
 557                   {
 558                     ssize_t
 559                       orientation;
 560
 561                     orientation=ParseCommandOption(MagickOrientationOptions,
 562                       MagickFalse,options);
 563                     if (orientation < 0)
 564                       break;
 565                     image->orientation=(OrientationType) orientation;
 566                     break;
 567                   }
 568                 (void) SetImageProperty(image,keyword,options,exception);
 569                 break;
 570               }
 571               case 'p':
 572               case 'P':
 573               {
 574                 if (LocaleCompare(keyword,"page") == 0)
 575                   {
 576                     char
 577                       *geometry;
 578
 579                     geometry=GetPageGeometry(options);
 580                     (void) ParseAbsoluteGeometry(geometry,&image->page);
 581                     geometry=DestroyString(geometry);
 582                     break;
 583                   }
 584                 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
 585                     (LocaleNCompare(keyword,"profile-",8) == 0))
 586                   {
 587                     if (profiles == (LinkedListInfo *) NULL)
 588                       profiles=NewLinkedList(0);
 589                     (void) AppendValueToLinkedList(profiles,
 590                       AcquireString(keyword+8));
 591                     profile=BlobToStringInfo((const void *) NULL,(size_t)
 592                       StringToLong(options));
 593                     if (profile == (StringInfo *) NULL)
 594                       ThrowReaderException(ResourceLimitError,
 595                         "MemoryAllocationFailed");
 596                     (void) SetImageProfile(image,keyword+8,profile,exception);
 597                     profile=DestroyStringInfo(profile);
 598                     break;
 599                   }
 600                 (void) SetImageProperty(image,keyword,options,exception);
 601                 break;
 602               }
 603               case 'q':
 604               case 'Q':
 605               {
 606                 if (LocaleCompare(keyword,"quality") == 0)
 607                   {
 608                     image->quality=StringToUnsignedLong(options);
 609                     break;
 610                   }
 611                 (void) SetImageProperty(image,keyword,options,exception);
 612                 break;
 613               }
 614               case 'r':
 615               case 'R':
 616               {
 617                 if (LocaleCompare(keyword,"red-primary") == 0)
 618                   {
 619                     flags=ParseGeometry(options,&geometry_info);
 620                     image->chromaticity.red_primary.x=geometry_info.rho;
 621                     if ((flags & SigmaValue) != 0)
 622                       image->chromaticity.red_primary.y=geometry_info.sigma;
 623                     break;
 624                   }
 625                 if (LocaleCompare(keyword,"rendering-intent") == 0)
 626                   {
 627                     ssize_t
 628                       rendering_intent;
 629
 630                     rendering_intent=ParseCommandOption(MagickIntentOptions,
 631                       MagickFalse,options);
 632                     if (rendering_intent < 0)
 633                       break;
 634                     image->rendering_intent=(RenderingIntent) rendering_intent;
 635                     break;
 636                   }
 637                 if (LocaleCompare(keyword,"resolution") == 0)
 638                   {
 639                     flags=ParseGeometry(options,&geometry_info);
 640                     image->resolution.x=geometry_info.rho;
 641                     image->resolution.y=geometry_info.sigma;
 642                     if ((flags & SigmaValue) == 0)
 643                       image->resolution.y=image->resolution.x;
 644                     break;
 645                   }
 646                 if (LocaleCompare(keyword,"rows") == 0)
 647                   {
 648                     image->rows=StringToUnsignedLong(options);
 649                     break;
 650                   }
 651                 (void) SetImageProperty(image,keyword,options,exception);
 652                 break;
 653               }
 654               case 's':
 655               case 'S':
 656               {
 657                 if (LocaleCompare(keyword,"scene") == 0)
 658                   {
 659                     image->scene=StringToUnsignedLong(options);
 660                     break;
 661                   }
 662                 if (LocaleCompare(keyword,"signature") == 0)
 663                   {
 664                     signature=(unsigned int) StringToUnsignedLong(options);
 665                     break;
 666                   }
 667                 (void) SetImageProperty(image,keyword,options,exception);
 668                 break;
 669               }
 670               case 't':
 671               case 'T':
 672               {
 673                 if (LocaleCompare(keyword,"ticks-per-second") == 0)
 674                   {
 675                     image->ticks_per_second=(ssize_t) StringToLong(options);
 676                     break;
 677                   }
 678                 if (LocaleCompare(keyword,"tile-offset") == 0)
 679                   {
 680                     char
 681                       *geometry;
 682
 683                     geometry=GetPageGeometry(options);
 684                     (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
 685                     geometry=DestroyString(geometry);
 686                   }
 687                 if (LocaleCompare(keyword,"type") == 0)
 688                   {
 689                     ssize_t
 690                       type;
 691
 692                     type=ParseCommandOption(MagickTypeOptions,MagickFalse,
 693                       options);
 694                     if (type < 0)
 695                       break;
 696                     image->type=(ImageType) type;
 697                     break;
 698                   }
 699                 (void) SetImageProperty(image,keyword,options,exception);
 700                 break;
 701               }
 702               case 'u':
 703               case 'U':
 704               {
 705                 if (LocaleCompare(keyword,"units") == 0)
 706                   {
 707                     ssize_t
 708                       units;
 709
 710                     units=ParseCommandOption(MagickResolutionOptions,
 711                       MagickFalse,options);
 712                     if (units < 0)
 713                       break;
 714                     image->units=(ResolutionType) units;
 715                     break;
 716                   }
 717                 (void) SetImageProperty(image,keyword,options,exception);
 718                 break;
 719               }
 720               case 'w':
 721               case 'W':
 722               {
 723                 if (LocaleCompare(keyword,"white-point") == 0)
 724                   {
 725                     flags=ParseGeometry(options,&geometry_info);
 726                     image->chromaticity.white_point.x=geometry_info.rho;
 727                     image->chromaticity.white_point.y=geometry_info.sigma;
 728                     if ((flags & SigmaValue) == 0)
 729                       image->chromaticity.white_point.y=
 730                         image->chromaticity.white_point.x;
 731                     break;
 732                   }
 733                 (void) SetImageProperty(image,keyword,options,exception);
 734                 break;
 735               }
 736               default:
 737               {
 738                 (void) SetImageProperty(image,keyword,options,exception);
 739                 break;
 740               }
 741             }
 742           }
 743         else
 744           c=ReadBlobByte(image);
 745       while (isspace((int) ((unsigned char) c)) != 0)
 746         c=ReadBlobByte(image);
 747     }
 748     options=DestroyString(options);
 749     (void) ReadBlobByte(image);
 750     /*
 751       Verify that required image information is defined.
 752     */
 753     if ((LocaleCompare(id,"MagickCache") != 0) ||
 754         (image->storage_class == UndefinedClass) ||
 755         (image->compression == UndefinedCompression) || (image->columns == 0) ||
 756         (image->rows == 0))
 757       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 758     if (signature != GetMagickSignature((const StringInfo *) NULL))
 759       ThrowReaderException(CacheError,"IncompatibleAPI");
 760     if (image->montage != (char *) NULL)
 761       {
 762         register char
 763           *p;
 764
 765         /*
 766           Image directory.
 767         */
 768         length=MaxTextExtent;
 769         image->directory=AcquireString((char *) NULL);
 770         p=image->directory;
 771         do
 772         {
 773           *p='\0';
 774           if ((strlen(image->directory)+MaxTextExtent) >= length)
 775             {
 776               /*
 777                 Allocate more memory for the image directory.
 778               */
 779               length<<=1;
 780               image->directory=(char *) ResizeQuantumMemory(image->directory,
 781                 length+MaxTextExtent,sizeof(*image->directory));
 782               if (image->directory == (char *) NULL)
 783                 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
 784               p=image->directory+strlen(image->directory);
 785             }
 786           c=ReadBlobByte(image);
 787           *p++=(char) c;
 788         } while (c != (int) '\0');
 789       }
 790     if (profiles != (LinkedListInfo *) NULL)
 791       {
 792         const char
 793           *name;
 794
 795         const StringInfo
 796           *profile;
 797
 798         register unsigned char
 799           *p;
 800
 801         /*
 802           Read image profiles.
 803         */
 804         ResetLinkedListIterator(profiles);
 805         name=(const char *) GetNextValueInLinkedList(profiles);
 806         while (name != (const char *) NULL)
 807         {
 808           profile=GetImageProfile(image,name);
 809           if (profile != (StringInfo *) NULL)
 810             {
 811               p=GetStringInfoDatum(profile);
 812               count=ReadBlob(image,GetStringInfoLength(profile),p);
 813             }
 814           name=(const char *) GetNextValueInLinkedList(profiles);
 815         }
 816         profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 817       }
 818     depth=GetImageQuantumDepth(image,MagickFalse);
 819     if (image->storage_class == PseudoClass)
 820       {
 821         /*
 822           Create image colormap.
 823         */
 824         if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
 825           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 826         if (image->colors != 0)
 827           {
 828             size_t
 829               packet_size;
 830
 831             unsigned char
 832               *colormap;
 833
 834             /*
 835               Read image colormap from file.
 836             */
 837             packet_size=(size_t) (3UL*depth/8UL);
 838             colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
 839               packet_size*sizeof(*colormap));
 840             if (colormap == (unsigned char *) NULL)
 841               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 842             count=ReadBlob(image,packet_size*image->colors,colormap);
 843             if (count != (ssize_t) (packet_size*image->colors))
 844               ThrowReaderException(CorruptImageError,
 845                 "InsufficientImageDataInFile");
 846             p=colormap;
 847             switch (depth)
 848             {
 849               default:
 850                 ThrowReaderException(CorruptImageError,
 851                   "ImageDepthNotSupported");
 852               case 8:
 853               {
 854                 unsigned char
 855                   pixel;
 856
 857                 for (i=0; i < (ssize_t) image->colors; i++)
 858                 {
 859                   p=PushCharPixel(p,&pixel);
 860                   image->colormap[i].red=ScaleCharToQuantum(pixel);
 861                   p=PushCharPixel(p,&pixel);
 862                   image->colormap[i].green=ScaleCharToQuantum(pixel);
 863                   p=PushCharPixel(p,&pixel);
 864                   image->colormap[i].blue=ScaleCharToQuantum(pixel);
 865                 }
 866                 break;
 867               }
 868               case 16:
 869               {
 870                 unsigned short
 871                   pixel;
 872
 873                 for (i=0; i < (ssize_t) image->colors; i++)
 874                 {
 875                   p=PushShortPixel(MSBEndian,p,&pixel);
 876                   image->colormap[i].red=ScaleShortToQuantum(pixel);
 877                   p=PushShortPixel(MSBEndian,p,&pixel);
 878                   image->colormap[i].green=ScaleShortToQuantum(pixel);
 879                   p=PushShortPixel(MSBEndian,p,&pixel);
 880                   image->colormap[i].blue=ScaleShortToQuantum(pixel);
 881                 }
 882                 break;
 883               }
 884               case 32:
 885               {
 886                 unsigned int
 887                   pixel;
 888
 889                 for (i=0; i < (ssize_t) image->colors; i++)
 890                 {
 891                   p=PushLongPixel(MSBEndian,p,&pixel);
 892                   image->colormap[i].red=ScaleLongToQuantum(pixel);
 893                   p=PushLongPixel(MSBEndian,p,&pixel);
 894                   image->colormap[i].green=ScaleLongToQuantum(pixel);
 895                   p=PushLongPixel(MSBEndian,p,&pixel);
 896                   image->colormap[i].blue=ScaleLongToQuantum(pixel);
 897                 }
 898                 break;
 899               }
 900             }
 901             colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 902           }
 903       }
 904     if (EOFBlob(image) != MagickFalse)
 905       {
 906         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
 907           image->filename);
 908         break;
 909       }
 910     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 911       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 912         break;
 913     /*
 914       Attach persistent pixel cache.
 915     */
 916     status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
 917     if (status == MagickFalse)
 918       ThrowReaderException(CacheError,"UnableToPersistPixelCache");
 919     /*
 920       Proceed to next image.
 921     */
 922     do
 923     {
 924       c=ReadBlobByte(image);
 925     } while ((isgraph(c) == MagickFalse) && (c != EOF));
 926     if (c != EOF)
 927       {
 928         /*
 929           Allocate next image structure.
 930         */
 931         AcquireNextImage(image_info,image,exception);
 932         if (GetNextImageInList(image) == (Image *) NULL)
 933           {
 934             image=DestroyImageList(image);
 935             return((Image *) NULL);
 936           }
 937         image=SyncNextImageInList(image);
 938         status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
 939           GetBlobSize(image));
 940         if (status == MagickFalse)
 941           break;
 942       }
 943   } while (c != EOF);
 944   (void) CloseBlob(image);
 945   return(GetFirstImageInList(image));
 946 }
 947 \f
 948 /*
 949 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 950 %                                                                             %
 951 %                                                                             %
 952 %                                                                             %
 953 %   R e g i s t e r M P C I m a g e                                           %
 954 %                                                                             %
 955 %                                                                             %
 956 %                                                                             %
 957 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 958 %
 959 %  RegisterMPCImage() adds properties for the Cache image format to
 960 %  the list of supported formats.  The properties include the image format
 961 %  tag, a method to read and/or write the format, whether the format
 962 %  supports the saving of more than one frame to the same file or blob,
 963 %  whether the format supports native in-memory I/O, and a brief
 964 %  description of the format.
 965 %
 966 %  The format of the RegisterMPCImage method is:
 967 %
 968 %      size_t RegisterMPCImage(void)
 969 %
 970 */
 971 ModuleExport size_t RegisterMPCImage(void)
 972 {
 973   MagickInfo
 974     *entry;
 975
 976   entry=SetMagickInfo("CACHE");
 977   entry->description=ConstantString("Magick Persistent Cache image format");
 978   entry->module=ConstantString("CACHE");
 979   entry->stealth=MagickTrue;
 980   (void) RegisterMagickInfo(entry);
 981   entry=SetMagickInfo("MPC");
 982   entry->decoder=(DecodeImageHandler *) ReadMPCImage;
 983   entry->encoder=(EncodeImageHandler *) WriteMPCImage;
 984   entry->magick=(IsImageFormatHandler *) IsMPC;
 985   entry->description=ConstantString("Magick Persistent Cache image format");
 986   entry->module=ConstantString("MPC");
 987   (void) RegisterMagickInfo(entry);
 988   return(MagickImageCoderSignature);
 989 }
 990 \f
 991 /*
 992 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 993 %                                                                             %
 994 %                                                                             %
 995 %                                                                             %
 996 %   U n r e g i s t e r M P C I m a g e                                       %
 997 %                                                                             %
 998 %                                                                             %
 999 %                                                                             %
1000 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1001 %
1002 %  UnregisterMPCImage() removes format registrations made by the
1003 %  MPC module from the list of supported formats.
1004 %
1005 %  The format of the UnregisterMPCImage method is:
1006 %
1007 %      UnregisterMPCImage(void)
1008 %
1009 */
1010 ModuleExport void UnregisterMPCImage(void)
1011 {
1012   (void) UnregisterMagickInfo("CACHE");
1013   (void) UnregisterMagickInfo("MPC");
1014 }
1015 \f
1016 /*
1017 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1018 %                                                                             %
1019 %                                                                             %
1020 %                                                                             %
1021 %   W r i t e M P C I m a g e                                                 %
1022 %                                                                             %
1023 %                                                                             %
1024 %                                                                             %
1025 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1026 %
1027 %  WriteMPCImage() writes an Magick Persistent Cache image to a file.
1028 %
1029 %  The format of the WriteMPCImage method is:
1030 %
1031 %      MagickBooleanType WriteMPCImage(const ImageInfo *image_info,
1032 %        Image *image,ExceptionInfo *exception)
1033 %
1034 %  A description of each parameter follows:
1035 %
1036 %    o image_info: the image info.
1037 %
1038 %    o image: the image.
1039 %
1040 %    o exception: return any errors or warnings in this structure.
1041 %
1042 */
1043 static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image,
1044   ExceptionInfo *exception)
1045 {
1046   char
1047     buffer[MaxTextExtent],
1048     cache_filename[MaxTextExtent];
1049
1050   const char
1051     *property,
1052     *value;
1053
1054   MagickBooleanType
1055     status;
1056
1057   MagickOffsetType
1058     offset,
1059     scene;
1060
1061   register ssize_t
1062     i;
1063
1064   size_t
1065     depth,
1066     one;
1067
1068   /*
1069     Open persistent cache.
1070   */
1071   assert(image_info != (const ImageInfo *) NULL);
1072   assert(image_info->signature == MagickSignature);
1073   assert(image != (Image *) NULL);
1074   assert(image->signature == MagickSignature);
1075   if (image->debug != MagickFalse)
1076     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1077   assert(exception != (ExceptionInfo *) NULL);
1078   assert(exception->signature == MagickSignature);
1079   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1080   if (status == MagickFalse)
1081     return(status);
1082   (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
1083   AppendImageFormat("cache",cache_filename);
1084   scene=0;
1085   offset=0;
1086   one=1;
1087   do
1088   {
1089     /*
1090       Write persistent cache meta-information.
1091     */
1092     depth=GetImageQuantumDepth(image,MagickTrue);
1093     if ((image->storage_class == PseudoClass) &&
1094         (image->colors > (one << depth)))
1095       image->storage_class=DirectClass;
1096     (void) WriteBlobString(image,"id=MagickCache\n");
1097     (void) FormatLocaleString(buffer,MaxTextExtent,"signature=%u\n",
1098       GetMagickSignature((const StringInfo *) NULL));
1099     (void) WriteBlobString(image,buffer);
1100     (void) FormatLocaleString(buffer,MaxTextExtent,
1101       "class=%s  colors=%.20g  alpha-trait=%s\n",CommandOptionToMnemonic(
1102       MagickClassOptions,image->storage_class),(double) image->colors,
1103       CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
1104       image->alpha_trait));
1105     (void) WriteBlobString(image,buffer);
1106     (void) FormatLocaleString(buffer,MaxTextExtent,
1107       "columns=%.20g  rows=%.20g depth=%.20g\n",(double) image->columns,
1108       (double) image->rows,(double) image->depth);
1109     (void) WriteBlobString(image,buffer);
1110     if (image->type != UndefinedType)
1111       {
1112         (void) FormatLocaleString(buffer,MaxTextExtent,"type=%s\n",
1113           CommandOptionToMnemonic(MagickTypeOptions,image->type));
1114         (void) WriteBlobString(image,buffer);
1115       }
1116     if (image->colorspace != UndefinedColorspace)
1117       {
1118         (void) FormatLocaleString(buffer,MaxTextExtent,"colorspace=%s\n",
1119           CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
1120         (void) WriteBlobString(image,buffer);
1121       }
1122     if (image->endian != UndefinedEndian)
1123       {
1124         (void) FormatLocaleString(buffer,MaxTextExtent,"endian=%s\n",
1125           CommandOptionToMnemonic(MagickEndianOptions,image->endian));
1126         (void) WriteBlobString(image,buffer);
1127       }
1128     if (image->compression != UndefinedCompression)
1129       {
1130         (void) FormatLocaleString(buffer,MaxTextExtent,
1131           "compression=%s  quality=%.20g\n",CommandOptionToMnemonic(
1132           MagickCompressOptions,image->compression),(double) image->quality);
1133         (void) WriteBlobString(image,buffer);
1134       }
1135     if (image->units != UndefinedResolution)
1136       {
1137         (void) FormatLocaleString(buffer,MaxTextExtent,"units=%s\n",
1138           CommandOptionToMnemonic(MagickResolutionOptions,image->units));
1139         (void) WriteBlobString(image,buffer);
1140       }
1141     if ((image->resolution.x != 0) || (image->resolution.y != 0))
1142       {
1143         (void) FormatLocaleString(buffer,MaxTextExtent,
1144           "resolution=%gx%g\n",image->resolution.x,image->resolution.y);
1145         (void) WriteBlobString(image,buffer);
1146       }
1147     if ((image->page.width != 0) || (image->page.height != 0))
1148       {
1149         (void) FormatLocaleString(buffer,MaxTextExtent,
1150           "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1151           image->page.height,(double) image->page.x,(double) image->page.y);
1152         (void) WriteBlobString(image,buffer);
1153       }
1154     else
1155       if ((image->page.x != 0) || (image->page.y != 0))
1156         {
1157           (void) FormatLocaleString(buffer,MaxTextExtent,"page=%+ld%+ld\n",
1158             (long) image->page.x,(long) image->page.y);
1159           (void) WriteBlobString(image,buffer);
1160         }
1161     if ((image->page.x != 0) || (image->page.y != 0))
1162       {
1163         (void) FormatLocaleString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n",
1164           (long) image->tile_offset.x,(long) image->tile_offset.y);
1165         (void) WriteBlobString(image,buffer);
1166       }
1167     if ((GetNextImageInList(image) != (Image *) NULL) ||
1168         (GetPreviousImageInList(image) != (Image *) NULL))
1169       {
1170         if (image->scene == 0)
1171           (void) FormatLocaleString(buffer,MaxTextExtent,
1172             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",(double)
1173             image->iterations,(double) image->delay,(double)
1174             image->ticks_per_second);
1175         else
1176           (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g  "
1177             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",
1178             (double) image->scene,(double) image->iterations,(double)
1179             image->delay,(double) image->ticks_per_second);
1180         (void) WriteBlobString(image,buffer);
1181       }
1182     else
1183       {
1184         if (image->scene != 0)
1185           {
1186             (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g\n",
1187               (double) image->scene);
1188             (void) WriteBlobString(image,buffer);
1189           }
1190         if (image->iterations != 0)
1191           {
1192             (void) FormatLocaleString(buffer,MaxTextExtent,"iterations=%.20g\n",
1193               (double) image->iterations);
1194             (void) WriteBlobString(image,buffer);
1195           }
1196         if (image->delay != 0)
1197           {
1198             (void) FormatLocaleString(buffer,MaxTextExtent,"delay=%.20g\n",
1199               (double) image->delay);
1200             (void) WriteBlobString(image,buffer);
1201           }
1202         if (image->ticks_per_second != UndefinedTicksPerSecond)
1203           {
1204             (void) FormatLocaleString(buffer,MaxTextExtent,
1205               "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
1206             (void) WriteBlobString(image,buffer);
1207           }
1208       }
1209     if (image->gravity != UndefinedGravity)
1210       {
1211         (void) FormatLocaleString(buffer,MaxTextExtent,"gravity=%s\n",
1212           CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
1213         (void) WriteBlobString(image,buffer);
1214       }
1215     if (image->dispose != UndefinedDispose)
1216       {
1217         (void) FormatLocaleString(buffer,MaxTextExtent,"dispose=%s\n",
1218           CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
1219         (void) WriteBlobString(image,buffer);
1220       }
1221     if (image->rendering_intent != UndefinedIntent)
1222       {
1223         (void) FormatLocaleString(buffer,MaxTextExtent,
1224           "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
1225           image->rendering_intent));
1226         (void) WriteBlobString(image,buffer);
1227       }
1228     if (image->gamma != 0.0)
1229       {
1230         (void) FormatLocaleString(buffer,MaxTextExtent,"gamma=%g\n",
1231           image->gamma);
1232         (void) WriteBlobString(image,buffer);
1233       }
1234     if (image->chromaticity.white_point.x != 0.0)
1235       {
1236         /*
1237           Note chomaticity points.
1238         */
1239         (void) FormatLocaleString(buffer,MaxTextExtent,"red-primary="
1240           "%g,%g  green-primary=%g,%g  blue-primary=%g,%g\n",
1241           image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
1242           image->chromaticity.green_primary.x,
1243           image->chromaticity.green_primary.y,
1244           image->chromaticity.blue_primary.x,
1245           image->chromaticity.blue_primary.y);
1246         (void) WriteBlobString(image,buffer);
1247         (void) FormatLocaleString(buffer,MaxTextExtent,
1248           "white-point=%g,%g\n",image->chromaticity.white_point.x,
1249           image->chromaticity.white_point.y);
1250         (void) WriteBlobString(image,buffer);
1251       }
1252     if (image->orientation != UndefinedOrientation)
1253       {
1254         (void) FormatLocaleString(buffer,MaxTextExtent,
1255           "orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
1256           image->orientation));
1257         (void) WriteBlobString(image,buffer);
1258       }
1259     if (image->profiles != (void *) NULL)
1260       {
1261         const char
1262           *name;
1263
1264         const StringInfo
1265           *profile;
1266
1267         /*
1268           Generic profile.
1269         */
1270         ResetImageProfileIterator(image);
1271         for (name=GetNextImageProfile(image); name != (const char *) NULL; )
1272         {
1273           profile=GetImageProfile(image,name);
1274           if (profile != (StringInfo *) NULL)
1275             {
1276               (void) FormatLocaleString(buffer,MaxTextExtent,
1277                 "profile:%s=%.20g\n",name,(double)
1278                 GetStringInfoLength(profile));
1279               (void) WriteBlobString(image,buffer);
1280             }
1281           name=GetNextImageProfile(image);
1282         }
1283       }
1284     if (image->montage != (char *) NULL)
1285       {
1286         (void) FormatLocaleString(buffer,MaxTextExtent,"montage=%s\n",
1287           image->montage);
1288         (void) WriteBlobString(image,buffer);
1289       }
1290     ResetImagePropertyIterator(image);
1291     property=GetNextImageProperty(image);
1292     while (property != (const char *) NULL)
1293     {
1294       (void) FormatLocaleString(buffer,MaxTextExtent,"%s=",property);
1295       (void) WriteBlobString(image,buffer);
1296       value=GetImageProperty(image,property,exception);
1297       if (value != (const char *) NULL)
1298         {
1299           size_t
1300             length;
1301
1302           length=strlen(value);
1303           for (i=0; i < (ssize_t) length; i++)
1304             if (isspace((int) ((unsigned char) value[i])) != 0)
1305               break;
1306           if (i == (ssize_t) length)
1307             (void) WriteBlob(image,length,(const unsigned char *) value);
1308           else
1309             {
1310               (void) WriteBlobByte(image,'{');
1311               if (strchr(value,'}') == (char *) NULL)
1312                 (void) WriteBlob(image,length,(const unsigned char *) value);
1313               else
1314                 for (i=0; i < (ssize_t) length; i++)
1315                 {
1316                   if (value[i] == (int) '}')
1317                     (void) WriteBlobByte(image,'\\');
1318                   (void) WriteBlobByte(image,value[i]);
1319                 }
1320               (void) WriteBlobByte(image,'}');
1321             }
1322         }
1323       (void) WriteBlobByte(image,'\n');
1324       property=GetNextImageProperty(image);
1325     }
1326     ResetImageArtifactIterator(image);
1327     (void) WriteBlobString(image,"\f\n:\032");
1328     if (image->montage != (char *) NULL)
1329       {
1330         /*
1331           Write montage tile directory.
1332         */
1333         if (image->directory != (char *) NULL)
1334           (void) WriteBlobString(image,image->directory);
1335         (void) WriteBlobByte(image,'\0');
1336       }
1337     if (image->profiles != 0)
1338       {
1339         const char
1340           *name;
1341
1342         const StringInfo
1343           *profile;
1344
1345         /*
1346           Write image profiles.
1347         */
1348         ResetImageProfileIterator(image);
1349         name=GetNextImageProfile(image);
1350         while (name != (const char *) NULL)
1351         {
1352           profile=GetImageProfile(image,name);
1353           (void) WriteBlob(image,GetStringInfoLength(profile),
1354             GetStringInfoDatum(profile));
1355           name=GetNextImageProfile(image);
1356         }
1357       }
1358     if (image->storage_class == PseudoClass)
1359       {
1360         size_t
1361           packet_size;
1362
1363         unsigned char
1364           *colormap,
1365           *q;
1366
1367         /*
1368           Allocate colormap.
1369         */
1370         packet_size=(size_t) (3UL*depth/8UL);
1371         colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1372           packet_size*sizeof(*colormap));
1373         if (colormap == (unsigned char *) NULL)
1374           return(MagickFalse);
1375         /*
1376           Write colormap to file.
1377         */
1378         q=colormap;
1379         for (i=0; i < (ssize_t) image->colors; i++)
1380         {
1381           switch (depth)
1382           {
1383             default:
1384               ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
1385             case 32:
1386             {
1387               unsigned int
1388                 pixel;
1389
1390               pixel=ScaleQuantumToLong(image->colormap[i].red);
1391               q=PopLongPixel(MSBEndian,pixel,q);
1392               pixel=ScaleQuantumToLong(image->colormap[i].green);
1393               q=PopLongPixel(MSBEndian,pixel,q);
1394               pixel=ScaleQuantumToLong(image->colormap[i].blue);
1395               q=PopLongPixel(MSBEndian,pixel,q);
1396             }
1397             case 16:
1398             {
1399               unsigned short
1400                 pixel;
1401
1402               pixel=ScaleQuantumToShort(image->colormap[i].red);
1403               q=PopShortPixel(MSBEndian,pixel,q);
1404               pixel=ScaleQuantumToShort(image->colormap[i].green);
1405               q=PopShortPixel(MSBEndian,pixel,q);
1406               pixel=ScaleQuantumToShort(image->colormap[i].blue);
1407               q=PopShortPixel(MSBEndian,pixel,q);
1408               break;
1409             }
1410             case 8:
1411             {
1412               unsigned char
1413                 pixel;
1414
1415               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
1416               q=PopCharPixel(pixel,q);
1417               pixel=(unsigned char) ScaleQuantumToChar(
1418                 image->colormap[i].green);
1419               q=PopCharPixel(pixel,q);
1420               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
1421               q=PopCharPixel(pixel,q);
1422               break;
1423             }
1424           }
1425         }
1426         (void) WriteBlob(image,packet_size*image->colors,colormap);
1427         colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1428       }
1429     /*
1430       Initialize persistent pixel cache.
1431     */
1432     status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
1433       exception);
1434     if (status == MagickFalse)
1435       ThrowWriterException(CacheError,"UnableToPersistPixelCache");
1436     if (GetNextImageInList(image) == (Image *) NULL)
1437       break;
1438     image=SyncNextImageInList(image);
1439     if (image->progress_monitor != (MagickProgressMonitor) NULL)
1440       {
1441         status=image->progress_monitor(SaveImagesTag,scene,
1442           GetImageListLength(image),image->client_data);
1443         if (status == MagickFalse)
1444           break;
1445       }
1446     scene++;
1447   } while (image_info->adjoin != MagickFalse);
1448   (void) CloseBlob(image);
1449   return(status);
1450 }