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 1999-2017 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 %    https://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/image.h"
  57 #include "MagickCore/image-private.h"
  58 #include "MagickCore/linked-list.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/resource_.h"
  70 #include "MagickCore/static.h"
  71 #include "MagickCore/statistic.h"
  72 #include "MagickCore/string_.h"
  73 #include "MagickCore/string-private.h"
  74 #include "MagickCore/utility.h"
  75 #include "MagickCore/version-private.h"
  76 \f
  77 /*
  78   Forward declarations.
  79 */
  80 static MagickBooleanType
  81   WriteMPCImage(const ImageInfo *,Image *,ExceptionInfo *);
  82 \f
  83 /*
  84 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  85 %                                                                             %
  86 %                                                                             %
  87 %                                                                             %
  88 %   I s M P C                                                                 %
  89 %                                                                             %
  90 %                                                                             %
  91 %                                                                             %
  92 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  93 %
  94 %  IsMPC() returns MagickTrue if the image format type, identified by the
  95 %  magick string, is an Magick Persistent Cache image.
  96 %
  97 %  The format of the IsMPC method is:
  98 %
  99 %      MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
 100 %
 101 %  A description of each parameter follows:
 102 %
 103 %    o magick: compare image format pattern against these bytes.
 104 %
 105 %    o length: Specifies the length of the magick string.
 106 %
 107 */
 108 static MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
 109 {
 110   if (length < 14)
 111     return(MagickFalse);
 112   if (LocaleNCompare((const char *) magick,"id=MagickCache",14) == 0)
 113     return(MagickTrue);
 114   return(MagickFalse);
 115 }
 116 \f
 117 /*
 118 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 119 %                                                                             %
 120 %                                                                             %
 121 %                                                                             %
 122 %   R e a d C A C H E I m a g e                                               %
 123 %                                                                             %
 124 %                                                                             %
 125 %                                                                             %
 126 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 127 %
 128 %  ReadMPCImage() reads an Magick Persistent Cache image file and returns
 129 %  it.  It allocates the memory necessary for the new Image structure and
 130 %  returns a pointer to the new image.
 131 %
 132 %  The format of the ReadMPCImage method is:
 133 %
 134 %      Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
 135 %
 136 %  Decompression code contributed by Kyle Shorter.
 137 %
 138 %  A description of each parameter follows:
 139 %
 140 %    o image_info: the image info.
 141 %
 142 %    o exception: return any errors or warnings in this structure.
 143 %
 144 */
 145 static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
 146 {
 147   char
 148     cache_filename[MagickPathExtent],
 149     id[MagickPathExtent],
 150     keyword[MagickPathExtent],
 151     *options;
 152
 153   const unsigned char
 154     *p;
 155
 156   GeometryInfo
 157     geometry_info;
 158
 159   Image
 160     *image;
 161
 162   int
 163     c;
 164
 165   LinkedListInfo
 166     *profiles;
 167
 168   MagickBooleanType
 169     status;
 170
 171   MagickOffsetType
 172     offset;
 173
 174   MagickStatusType
 175     flags;
 176
 177   register ssize_t
 178     i;
 179
 180   size_t
 181     depth,
 182     length;
 183
 184   ssize_t
 185     count;
 186
 187   StringInfo
 188     *profile;
 189
 190   unsigned int
 191     signature;
 192
 193   /*
 194     Open image file.
 195   */
 196   assert(image_info != (const ImageInfo *) NULL);
 197   assert(image_info->signature == MagickCoreSignature);
 198   if (image_info->debug != MagickFalse)
 199     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 200       image_info->filename);
 201   assert(exception != (ExceptionInfo *) NULL);
 202   assert(exception->signature == MagickCoreSignature);
 203   image=AcquireImage(image_info,exception);
 204   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 205   if (status == MagickFalse)
 206     {
 207       image=DestroyImageList(image);
 208       return((Image *) NULL);
 209     }
 210   (void) CopyMagickString(cache_filename,image->filename,MagickPathExtent);
 211   AppendImageFormat("cache",cache_filename);
 212   c=ReadBlobByte(image);
 213   if (c == EOF)
 214     {
 215       image=DestroyImage(image);
 216       return((Image *) NULL);
 217     }
 218   *id='\0';
 219   (void) ResetMagickMemory(keyword,0,sizeof(keyword));
 220   offset=0;
 221   do
 222   {
 223     /*
 224       Decode image header;  header terminates one character beyond a ':'.
 225     */
 226     profiles=(LinkedListInfo *) NULL;
 227     length=MagickPathExtent;
 228     options=AcquireString((char *) NULL);
 229     signature=GetMagickSignature((const StringInfo *) NULL);
 230     image->depth=8;
 231     image->compression=NoCompression;
 232     while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
 233     {
 234       register char
 235         *p;
 236
 237       if (c == (int) '{')
 238         {
 239           char
 240             *comment;
 241
 242           /*
 243             Read comment-- any text between { }.
 244           */
 245           length=MagickPathExtent;
 246           comment=AcquireString((char *) NULL);
 247           for (p=comment; comment != (char *) NULL; p++)
 248           {
 249             c=ReadBlobByte(image);
 250             if (c == (int) '\\')
 251               c=ReadBlobByte(image);
 252             else
 253               if ((c == EOF) || (c == (int) '}'))
 254                 break;
 255             if ((size_t) (p-comment+1) >= length)
 256               {
 257                 *p='\0';
 258                 length<<=1;
 259                 comment=(char *) ResizeQuantumMemory(comment,length+
 260                   MagickPathExtent,sizeof(*comment));
 261                 if (comment == (char *) NULL)
 262                   break;
 263                 p=comment+strlen(comment);
 264               }
 265             *p=(char) c;
 266           }
 267           if (comment == (char *) NULL)
 268             ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 269           *p='\0';
 270           (void) SetImageProperty(image,"comment",comment,exception);
 271           comment=DestroyString(comment);
 272           c=ReadBlobByte(image);
 273         }
 274       else
 275         if (isalnum(c) != MagickFalse)
 276           {
 277             /*
 278               Get the keyword.
 279             */
 280             length=MagickPathExtent;
 281             p=keyword;
 282             do
 283             {
 284               if (c == (int) '=')
 285                 break;
 286               if ((size_t) (p-keyword) < (MagickPathExtent-1))
 287                 *p++=(char) c;
 288               c=ReadBlobByte(image);
 289             } while (c != EOF);
 290             *p='\0';
 291             p=options;
 292             while (isspace((int) ((unsigned char) c)) != 0)
 293               c=ReadBlobByte(image);
 294             if (c == (int) '=')
 295               {
 296                 /*
 297                   Get the keyword value.
 298                 */
 299                 c=ReadBlobByte(image);
 300                 while ((c != (int) '}') && (c != EOF))
 301                 {
 302                   if ((size_t) (p-options+1) >= length)
 303                     {
 304                       *p='\0';
 305                       length<<=1;
 306                       options=(char *) ResizeQuantumMemory(options,length+
 307                         MagickPathExtent,sizeof(*options));
 308                       if (options == (char *) NULL)
 309                         break;
 310                       p=options+strlen(options);
 311                     }
 312                   *p++=(char) c;
 313                   c=ReadBlobByte(image);
 314                   if (c == '\\')
 315                     {
 316                       c=ReadBlobByte(image);
 317                       if (c == (int) '}')
 318                         {
 319                           *p++=(char) c;
 320                           c=ReadBlobByte(image);
 321                         }
 322                     }
 323                   if (*options != '{')
 324                     if (isspace((int) ((unsigned char) c)) != 0)
 325                       break;
 326                 }
 327                 if (options == (char *) NULL)
 328                   ThrowReaderException(ResourceLimitError,
 329                     "MemoryAllocationFailed");
 330               }
 331             *p='\0';
 332             if (*options == '{')
 333               (void) CopyMagickString(options,options+1,strlen(options));
 334             /*
 335               Assign a value to the specified keyword.
 336             */
 337             switch (*keyword)
 338             {
 339               case 'a':
 340               case 'A':
 341               {
 342                 if (LocaleCompare(keyword,"alpha-trait") == 0)
 343                   {
 344                     ssize_t
 345                       alpha_trait;
 346
 347                     alpha_trait=ParseCommandOption(MagickPixelTraitOptions,
 348                       MagickFalse,options);
 349                     if (alpha_trait < 0)
 350                       break;
 351                     image->alpha_trait=(PixelTrait) alpha_trait;
 352                     break;
 353                   }
 354                 (void) SetImageProperty(image,keyword,options,exception);
 355                 break;
 356               }
 357               case 'b':
 358               case 'B':
 359               {
 360                 if (LocaleCompare(keyword,"background-color") == 0)
 361                   {
 362                     (void) QueryColorCompliance(options,AllCompliance,
 363                       &image->background_color,exception);
 364                     break;
 365                   }
 366                 if (LocaleCompare(keyword,"blue-primary") == 0)
 367                   {
 368                     flags=ParseGeometry(options,&geometry_info);
 369                     image->chromaticity.blue_primary.x=geometry_info.rho;
 370                     image->chromaticity.blue_primary.y=geometry_info.sigma;
 371                     if ((flags & SigmaValue) == 0)
 372                       image->chromaticity.blue_primary.y=
 373                         image->chromaticity.blue_primary.x;
 374                     break;
 375                   }
 376                 if (LocaleCompare(keyword,"border-color") == 0)
 377                   {
 378                     (void) QueryColorCompliance(options,AllCompliance,
 379                       &image->border_color,exception);
 380                     break;
 381                   }
 382                 (void) SetImageProperty(image,keyword,options,exception);
 383                 break;
 384               }
 385               case 'c':
 386               case 'C':
 387               {
 388                 if (LocaleCompare(keyword,"class") == 0)
 389                   {
 390                     ssize_t
 391                       storage_class;
 392
 393                     storage_class=ParseCommandOption(MagickClassOptions,
 394                       MagickFalse,options);
 395                     if (storage_class < 0)
 396                       break;
 397                     image->storage_class=(ClassType) storage_class;
 398                     break;
 399                   }
 400                 if (LocaleCompare(keyword,"colors") == 0)
 401                   {
 402                     image->colors=StringToUnsignedLong(options);
 403                     break;
 404                   }
 405                 if (LocaleCompare(keyword,"colorspace") == 0)
 406                   {
 407                     ssize_t
 408                       colorspace;
 409
 410                     colorspace=ParseCommandOption(MagickColorspaceOptions,
 411                       MagickFalse,options);
 412                     if (colorspace < 0)
 413                       break;
 414                     image->colorspace=(ColorspaceType) colorspace;
 415                     break;
 416                   }
 417                 if (LocaleCompare(keyword,"compression") == 0)
 418                   {
 419                     ssize_t
 420                       compression;
 421
 422                     compression=ParseCommandOption(MagickCompressOptions,
 423                       MagickFalse,options);
 424                     if (compression < 0)
 425                       break;
 426                     image->compression=(CompressionType) compression;
 427                     break;
 428                   }
 429                 if (LocaleCompare(keyword,"columns") == 0)
 430                   {
 431                     image->columns=StringToUnsignedLong(options);
 432                     break;
 433                   }
 434                 (void) SetImageProperty(image,keyword,options,exception);
 435                 break;
 436               }
 437               case 'd':
 438               case 'D':
 439               {
 440                 if (LocaleCompare(keyword,"delay") == 0)
 441                   {
 442                     image->delay=StringToUnsignedLong(options);
 443                     break;
 444                   }
 445                 if (LocaleCompare(keyword,"depth") == 0)
 446                   {
 447                     image->depth=StringToUnsignedLong(options);
 448                     break;
 449                   }
 450                 if (LocaleCompare(keyword,"dispose") == 0)
 451                   {
 452                     ssize_t
 453                       dispose;
 454
 455                     dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
 456                       options);
 457                     if (dispose < 0)
 458                       break;
 459                     image->dispose=(DisposeType) dispose;
 460                     break;
 461                   }
 462                 (void) SetImageProperty(image,keyword,options,exception);
 463                 break;
 464               }
 465               case 'e':
 466               case 'E':
 467               {
 468                 if (LocaleCompare(keyword,"endian") == 0)
 469                   {
 470                     ssize_t
 471                       endian;
 472
 473                     endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
 474                       options);
 475                     if (endian < 0)
 476                       break;
 477                     image->endian=(EndianType) endian;
 478                     break;
 479                   }
 480                 if (LocaleCompare(keyword,"error") == 0)
 481                   {
 482                     image->error.mean_error_per_pixel=StringToDouble(options,
 483                       (char **) NULL);
 484                     break;
 485                   }
 486                 (void) SetImageProperty(image,keyword,options,exception);
 487                 break;
 488               }
 489               case 'g':
 490               case 'G':
 491               {
 492                 if (LocaleCompare(keyword,"gamma") == 0)
 493                   {
 494                     image->gamma=StringToDouble(options,(char **) NULL);
 495                     break;
 496                   }
 497                 if (LocaleCompare(keyword,"green-primary") == 0)
 498                   {
 499                     flags=ParseGeometry(options,&geometry_info);
 500                     image->chromaticity.green_primary.x=geometry_info.rho;
 501                     image->chromaticity.green_primary.y=geometry_info.sigma;
 502                     if ((flags & SigmaValue) == 0)
 503                       image->chromaticity.green_primary.y=
 504                         image->chromaticity.green_primary.x;
 505                     break;
 506                   }
 507                 (void) SetImageProperty(image,keyword,options,exception);
 508                 break;
 509               }
 510               case 'i':
 511               case 'I':
 512               {
 513                 if (LocaleCompare(keyword,"id") == 0)
 514                   {
 515                     (void) CopyMagickString(id,options,MagickPathExtent);
 516                     break;
 517                   }
 518                 if (LocaleCompare(keyword,"iterations") == 0)
 519                   {
 520                     image->iterations=StringToUnsignedLong(options);
 521                     break;
 522                   }
 523                 (void) SetImageProperty(image,keyword,options,exception);
 524                 break;
 525               }
 526               case 'm':
 527               case 'M':
 528               {
 529                 if (LocaleCompare(keyword,"magick-signature") == 0)
 530                   {
 531                     signature=(unsigned int) StringToUnsignedLong(options);
 532                     break;
 533                   }
 534                 if (LocaleCompare(keyword,"mattecolor") == 0)
 535                   {
 536                     (void) QueryColorCompliance(options,AllCompliance,
 537                       &image->matte_color,exception);
 538                     break;
 539                   }
 540                 if (LocaleCompare(keyword,"maximum-error") == 0)
 541                   {
 542                     image->error.normalized_maximum_error=StringToDouble(
 543                       options,(char **) NULL);
 544                     break;
 545                   }
 546                 if (LocaleCompare(keyword,"mean-error") == 0)
 547                   {
 548                     image->error.normalized_mean_error=StringToDouble(options,
 549                       (char **) NULL);
 550                     break;
 551                   }
 552                 if (LocaleCompare(keyword,"montage") == 0)
 553                   {
 554                     (void) CloneString(&image->montage,options);
 555                     break;
 556                   }
 557                 (void) SetImageProperty(image,keyword,options,exception);
 558                 break;
 559               }
 560               case 'n':
 561               case 'N':
 562               {
 563                 if (LocaleCompare(keyword,"number-channels") == 0)
 564                   {
 565                     image->number_channels=StringToUnsignedLong(options);
 566                     break;
 567                   }
 568                 if (LocaleCompare(keyword,"number-meta-channels") == 0)
 569                   {
 570                     image->number_meta_channels=StringToUnsignedLong(options);
 571                     if (image->number_meta_channels > MaxPixelChannels)
 572                       ThrowReaderException(CorruptImageError,
 573                         "ImproperImageHeader");
 574                     break;
 575                   }
 576                 break;
 577               }
 578               case 'o':
 579               case 'O':
 580               {
 581                 if (LocaleCompare(keyword,"orientation") == 0)
 582                   {
 583                     ssize_t
 584                       orientation;
 585
 586                     orientation=ParseCommandOption(MagickOrientationOptions,
 587                       MagickFalse,options);
 588                     if (orientation < 0)
 589                       break;
 590                     image->orientation=(OrientationType) orientation;
 591                     break;
 592                   }
 593                 (void) SetImageProperty(image,keyword,options,exception);
 594                 break;
 595               }
 596               case 'p':
 597               case 'P':
 598               {
 599                 if (LocaleCompare(keyword,"page") == 0)
 600                   {
 601                     char
 602                       *geometry;
 603
 604                     geometry=GetPageGeometry(options);
 605                     (void) ParseAbsoluteGeometry(geometry,&image->page);
 606                     geometry=DestroyString(geometry);
 607                     break;
 608                   }
 609                 if (LocaleCompare(keyword,"pixel-intensity") == 0)
 610                   {
 611                     ssize_t
 612                       intensity;
 613
 614                     intensity=ParseCommandOption(MagickPixelIntensityOptions,
 615                       MagickFalse,options);
 616                     if (intensity < 0)
 617                       break;
 618                     image->intensity=(PixelIntensityMethod) intensity;
 619                     break;
 620                   }
 621                 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
 622                     (LocaleNCompare(keyword,"profile-",8) == 0))
 623                   {
 624                     if (profiles == (LinkedListInfo *) NULL)
 625                       profiles=NewLinkedList(0);
 626                     (void) AppendValueToLinkedList(profiles,
 627                       AcquireString(keyword+8));
 628                     profile=BlobToStringInfo((const void *) NULL,(size_t)
 629                       StringToLong(options));
 630                     if (profile == (StringInfo *) NULL)
 631                       ThrowReaderException(ResourceLimitError,
 632                         "MemoryAllocationFailed");
 633                     (void) SetImageProfile(image,keyword+8,profile,exception);
 634                     profile=DestroyStringInfo(profile);
 635                     break;
 636                   }
 637                 (void) SetImageProperty(image,keyword,options,exception);
 638                 break;
 639               }
 640               case 'q':
 641               case 'Q':
 642               {
 643                 if (LocaleCompare(keyword,"quality") == 0)
 644                   {
 645                     image->quality=StringToUnsignedLong(options);
 646                     break;
 647                   }
 648                 (void) SetImageProperty(image,keyword,options,exception);
 649                 break;
 650               }
 651               case 'r':
 652               case 'R':
 653               {
 654                 if (LocaleCompare(keyword,"red-primary") == 0)
 655                   {
 656                     flags=ParseGeometry(options,&geometry_info);
 657                     image->chromaticity.red_primary.x=geometry_info.rho;
 658                     if ((flags & SigmaValue) != 0)
 659                       image->chromaticity.red_primary.y=geometry_info.sigma;
 660                     break;
 661                   }
 662                 if (LocaleCompare(keyword,"rendering-intent") == 0)
 663                   {
 664                     ssize_t
 665                       rendering_intent;
 666
 667                     rendering_intent=ParseCommandOption(MagickIntentOptions,
 668                       MagickFalse,options);
 669                     if (rendering_intent < 0)
 670                       break;
 671                     image->rendering_intent=(RenderingIntent) rendering_intent;
 672                     break;
 673                   }
 674                 if (LocaleCompare(keyword,"resolution") == 0)
 675                   {
 676                     flags=ParseGeometry(options,&geometry_info);
 677                     image->resolution.x=geometry_info.rho;
 678                     image->resolution.y=geometry_info.sigma;
 679                     if ((flags & SigmaValue) == 0)
 680                       image->resolution.y=image->resolution.x;
 681                     break;
 682                   }
 683                 if (LocaleCompare(keyword,"rows") == 0)
 684                   {
 685                     image->rows=StringToUnsignedLong(options);
 686                     break;
 687                   }
 688                 (void) SetImageProperty(image,keyword,options,exception);
 689                 break;
 690               }
 691               case 's':
 692               case 'S':
 693               {
 694                 if (LocaleCompare(keyword,"scene") == 0)
 695                   {
 696                     image->scene=StringToUnsignedLong(options);
 697                     break;
 698                   }
 699                 (void) SetImageProperty(image,keyword,options,exception);
 700                 break;
 701               }
 702               case 't':
 703               case 'T':
 704               {
 705                 if (LocaleCompare(keyword,"ticks-per-second") == 0)
 706                   {
 707                     image->ticks_per_second=(ssize_t) StringToLong(options);
 708                     break;
 709                   }
 710                 if (LocaleCompare(keyword,"tile-offset") == 0)
 711                   {
 712                     char
 713                       *geometry;
 714
 715                     geometry=GetPageGeometry(options);
 716                     (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
 717                     geometry=DestroyString(geometry);
 718                   }
 719                 if (LocaleCompare(keyword,"type") == 0)
 720                   {
 721                     ssize_t
 722                       type;
 723
 724                     type=ParseCommandOption(MagickTypeOptions,MagickFalse,
 725                       options);
 726                     if (type < 0)
 727                       break;
 728                     image->type=(ImageType) type;
 729                     break;
 730                   }
 731                 (void) SetImageProperty(image,keyword,options,exception);
 732                 break;
 733               }
 734               case 'u':
 735               case 'U':
 736               {
 737                 if (LocaleCompare(keyword,"units") == 0)
 738                   {
 739                     ssize_t
 740                       units;
 741
 742                     units=ParseCommandOption(MagickResolutionOptions,
 743                       MagickFalse,options);
 744                     if (units < 0)
 745                       break;
 746                     image->units=(ResolutionType) units;
 747                     break;
 748                   }
 749                 (void) SetImageProperty(image,keyword,options,exception);
 750                 break;
 751               }
 752               case 'w':
 753               case 'W':
 754               {
 755                 if (LocaleCompare(keyword,"white-point") == 0)
 756                   {
 757                     flags=ParseGeometry(options,&geometry_info);
 758                     image->chromaticity.white_point.x=geometry_info.rho;
 759                     image->chromaticity.white_point.y=geometry_info.sigma;
 760                     if ((flags & SigmaValue) == 0)
 761                       image->chromaticity.white_point.y=
 762                         image->chromaticity.white_point.x;
 763                     break;
 764                   }
 765                 (void) SetImageProperty(image,keyword,options,exception);
 766                 break;
 767               }
 768               default:
 769               {
 770                 (void) SetImageProperty(image,keyword,options,exception);
 771                 break;
 772               }
 773             }
 774           }
 775         else
 776           c=ReadBlobByte(image);
 777       while (isspace((int) ((unsigned char) c)) != 0)
 778         c=ReadBlobByte(image);
 779     }
 780     options=DestroyString(options);
 781     (void) ReadBlobByte(image);
 782     /*
 783       Verify that required image information is defined.
 784     */
 785     if ((LocaleCompare(id,"MagickCache") != 0) ||
 786         (image->storage_class == UndefinedClass) ||
 787         (image->compression == UndefinedCompression) || (image->columns == 0) ||
 788         (image->rows == 0))
 789       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 790     if (signature != GetMagickSignature((const StringInfo *) NULL))
 791       ThrowReaderException(CacheError,"IncompatibleAPI");
 792     if (image->montage != (char *) NULL)
 793       {
 794         register char
 795           *p;
 796
 797         /*
 798           Image directory.
 799         */
 800         length=MagickPathExtent;
 801         image->directory=AcquireString((char *) NULL);
 802         p=image->directory;
 803         do
 804         {
 805           *p='\0';
 806           if ((strlen(image->directory)+MagickPathExtent) >= length)
 807             {
 808               /*
 809                 Allocate more memory for the image directory.
 810               */
 811               length<<=1;
 812               image->directory=(char *) ResizeQuantumMemory(image->directory,
 813                 length+MagickPathExtent,sizeof(*image->directory));
 814               if (image->directory == (char *) NULL)
 815                 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
 816               p=image->directory+strlen(image->directory);
 817             }
 818           c=ReadBlobByte(image);
 819           *p++=(char) c;
 820         } while (c != (int) '\0');
 821       }
 822     if (profiles != (LinkedListInfo *) NULL)
 823       {
 824         const char
 825           *name;
 826
 827         const StringInfo
 828           *profile;
 829
 830         register unsigned char
 831           *p;
 832
 833         /*
 834           Read image profiles.
 835         */
 836         ResetLinkedListIterator(profiles);
 837         name=(const char *) GetNextValueInLinkedList(profiles);
 838         while (name != (const char *) NULL)
 839         {
 840           profile=GetImageProfile(image,name);
 841           if (profile != (StringInfo *) NULL)
 842             {
 843               p=GetStringInfoDatum(profile);
 844               count=ReadBlob(image,GetStringInfoLength(profile),p);
 845             }
 846           name=(const char *) GetNextValueInLinkedList(profiles);
 847         }
 848         profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 849       }
 850     depth=GetImageQuantumDepth(image,MagickFalse);
 851     if (image->storage_class == PseudoClass)
 852       {
 853         size_t
 854           packet_size;
 855
 856         unsigned char
 857           *colormap;
 858
 859         /*
 860           Create image colormap.
 861         */
 862         packet_size=(size_t) (3UL*depth/8UL);
 863         if ((packet_size*image->colors) > GetBlobSize(image))
 864           ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
 865         image->colormap=(PixelInfo *) AcquireQuantumMemory(image->colors+1,
 866           sizeof(*image->colormap));
 867         if (image->colormap == (PixelInfo *) NULL)
 868           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 869         if (image->colors != 0)
 870           {
 871             /*
 872               Read image colormap from file.
 873             */
 874             colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
 875               packet_size*sizeof(*colormap));
 876             if (colormap == (unsigned char *) NULL)
 877               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 878             count=ReadBlob(image,packet_size*image->colors,colormap);
 879             if (count != (ssize_t) (packet_size*image->colors))
 880               {
 881                 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 882                 ThrowReaderException(CorruptImageError,
 883                   "InsufficientImageDataInFile");
 884               }
 885             p=colormap;
 886             switch (depth)
 887             {
 888               default:
 889                 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 890                 ThrowReaderException(CorruptImageError,
 891                   "ImageDepthNotSupported");
 892               case 8:
 893               {
 894                 unsigned char
 895                   pixel;
 896
 897                 for (i=0; i < (ssize_t) image->colors; i++)
 898                 {
 899                   p=PushCharPixel(p,&pixel);
 900                   image->colormap[i].red=ScaleCharToQuantum(pixel);
 901                   p=PushCharPixel(p,&pixel);
 902                   image->colormap[i].green=ScaleCharToQuantum(pixel);
 903                   p=PushCharPixel(p,&pixel);
 904                   image->colormap[i].blue=ScaleCharToQuantum(pixel);
 905                 }
 906                 break;
 907               }
 908               case 16:
 909               {
 910                 unsigned short
 911                   pixel;
 912
 913                 for (i=0; i < (ssize_t) image->colors; i++)
 914                 {
 915                   p=PushShortPixel(MSBEndian,p,&pixel);
 916                   image->colormap[i].red=ScaleShortToQuantum(pixel);
 917                   p=PushShortPixel(MSBEndian,p,&pixel);
 918                   image->colormap[i].green=ScaleShortToQuantum(pixel);
 919                   p=PushShortPixel(MSBEndian,p,&pixel);
 920                   image->colormap[i].blue=ScaleShortToQuantum(pixel);
 921                 }
 922                 break;
 923               }
 924               case 32:
 925               {
 926                 unsigned int
 927                   pixel;
 928
 929                 for (i=0; i < (ssize_t) image->colors; i++)
 930                 {
 931                   p=PushLongPixel(MSBEndian,p,&pixel);
 932                   image->colormap[i].red=ScaleLongToQuantum(pixel);
 933                   p=PushLongPixel(MSBEndian,p,&pixel);
 934                   image->colormap[i].green=ScaleLongToQuantum(pixel);
 935                   p=PushLongPixel(MSBEndian,p,&pixel);
 936                   image->colormap[i].blue=ScaleLongToQuantum(pixel);
 937                 }
 938                 break;
 939               }
 940             }
 941             colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 942           }
 943       }
 944     if (EOFBlob(image) != MagickFalse)
 945       {
 946         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
 947           image->filename);
 948         break;
 949       }
 950     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 951       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 952         break;
 953     if ((AcquireMagickResource(WidthResource,image->columns) == MagickFalse) ||
 954         (AcquireMagickResource(HeightResource,image->rows) == MagickFalse))
 955       ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit");
 956     /*
 957       Attach persistent pixel cache.
 958     */
 959     status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
 960     if (status == MagickFalse)
 961       ThrowReaderException(CacheError,"UnableToPersistPixelCache");
 962     /*
 963       Proceed to next image.
 964     */
 965     do
 966     {
 967       c=ReadBlobByte(image);
 968     } while ((isgraph(c) == MagickFalse) && (c != EOF));
 969     if (c != EOF)
 970       {
 971         /*
 972           Allocate next image structure.
 973         */
 974         AcquireNextImage(image_info,image,exception);
 975         if (GetNextImageInList(image) == (Image *) NULL)
 976           {
 977             image=DestroyImageList(image);
 978             return((Image *) NULL);
 979           }
 980         image=SyncNextImageInList(image);
 981         status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
 982           GetBlobSize(image));
 983         if (status == MagickFalse)
 984           break;
 985       }
 986   } while (c != EOF);
 987   (void) CloseBlob(image);
 988   return(GetFirstImageInList(image));
 989 }
 990 \f
 991 /*
 992 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 993 %                                                                             %
 994 %                                                                             %
 995 %                                                                             %
 996 %   R e g i s t e r M P C I m a g e                                           %
 997 %                                                                             %
 998 %                                                                             %
 999 %                                                                             %
1000 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1001 %
1002 %  RegisterMPCImage() adds properties for the Cache image format to
1003 %  the list of supported formats.  The properties include the image format
1004 %  tag, a method to read and/or write the format, whether the format
1005 %  supports the saving of more than one frame to the same file or blob,
1006 %  whether the format supports native in-memory I/O, and a brief
1007 %  description of the format.
1008 %
1009 %  The format of the RegisterMPCImage method is:
1010 %
1011 %      size_t RegisterMPCImage(void)
1012 %
1013 */
1014 ModuleExport size_t RegisterMPCImage(void)
1015 {
1016   MagickInfo
1017     *entry;
1018
1019   entry=AcquireMagickInfo("MPC","CACHE",
1020     "Magick Persistent Cache image format");
1021   entry->flags|=CoderStealthFlag;
1022   (void) RegisterMagickInfo(entry);
1023   entry=AcquireMagickInfo("MPC","MPC","Magick Persistent Cache image format");
1024   entry->decoder=(DecodeImageHandler *) ReadMPCImage;
1025   entry->encoder=(EncodeImageHandler *) WriteMPCImage;
1026   entry->magick=(IsImageFormatHandler *) IsMPC;
1027   entry->flags|=CoderDecoderSeekableStreamFlag;
1028   (void) RegisterMagickInfo(entry);
1029   return(MagickImageCoderSignature);
1030 }
1031 \f
1032 /*
1033 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1034 %                                                                             %
1035 %                                                                             %
1036 %                                                                             %
1037 %   U n r e g i s t e r M P C I m a g e                                       %
1038 %                                                                             %
1039 %                                                                             %
1040 %                                                                             %
1041 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1042 %
1043 %  UnregisterMPCImage() removes format registrations made by the
1044 %  MPC module from the list of supported formats.
1045 %
1046 %  The format of the UnregisterMPCImage method is:
1047 %
1048 %      UnregisterMPCImage(void)
1049 %
1050 */
1051 ModuleExport void UnregisterMPCImage(void)
1052 {
1053   (void) UnregisterMagickInfo("CACHE");
1054   (void) UnregisterMagickInfo("MPC");
1055 }
1056 \f
1057 /*
1058 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1059 %                                                                             %
1060 %                                                                             %
1061 %                                                                             %
1062 %   W r i t e M P C I m a g e                                                 %
1063 %                                                                             %
1064 %                                                                             %
1065 %                                                                             %
1066 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1067 %
1068 %  WriteMPCImage() writes an Magick Persistent Cache image to a file.
1069 %
1070 %  The format of the WriteMPCImage method is:
1071 %
1072 %      MagickBooleanType WriteMPCImage(const ImageInfo *image_info,
1073 %        Image *image,ExceptionInfo *exception)
1074 %
1075 %  A description of each parameter follows:
1076 %
1077 %    o image_info: the image info.
1078 %
1079 %    o image: the image.
1080 %
1081 %    o exception: return any errors or warnings in this structure.
1082 %
1083 */
1084 static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image,
1085   ExceptionInfo *exception)
1086 {
1087   char
1088     buffer[MagickPathExtent],
1089     cache_filename[MagickPathExtent];
1090
1091   const char
1092     *property,
1093     *value;
1094
1095   MagickBooleanType
1096     status;
1097
1098   MagickOffsetType
1099     offset,
1100     scene;
1101
1102   register ssize_t
1103     i;
1104
1105   size_t
1106     depth;
1107
1108   /*
1109     Open persistent cache.
1110   */
1111   assert(image_info != (const ImageInfo *) NULL);
1112   assert(image_info->signature == MagickCoreSignature);
1113   assert(image != (Image *) NULL);
1114   assert(image->signature == MagickCoreSignature);
1115   if (image->debug != MagickFalse)
1116     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1117   assert(exception != (ExceptionInfo *) NULL);
1118   assert(exception->signature == MagickCoreSignature);
1119   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1120   if (status == MagickFalse)
1121     return(status);
1122   (void) CopyMagickString(cache_filename,image->filename,MagickPathExtent);
1123   AppendImageFormat("cache",cache_filename);
1124   scene=0;
1125   offset=0;
1126   do
1127   {
1128     /*
1129       Write persistent cache meta-information.
1130     */
1131     depth=GetImageQuantumDepth(image,MagickTrue);
1132     if ((image->storage_class == PseudoClass) &&
1133         (image->colors > (size_t) (GetQuantumRange(image->depth)+1)))
1134       (void) SetImageStorageClass(image,DirectClass,exception);
1135     (void) WriteBlobString(image,"id=MagickCache\n");
1136     (void) FormatLocaleString(buffer,MagickPathExtent,"magick-signature=%u\n",
1137       GetMagickSignature((const StringInfo *) NULL));
1138     (void) WriteBlobString(image,buffer);
1139     (void) FormatLocaleString(buffer,MagickPathExtent,
1140       "class=%s  colors=%.20g  alpha-trait=%s\n",CommandOptionToMnemonic(
1141       MagickClassOptions,image->storage_class),(double) image->colors,
1142       CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
1143       image->alpha_trait));
1144     (void) WriteBlobString(image,buffer);
1145     (void) FormatLocaleString(buffer,MagickPathExtent,
1146       "number-channels=%.20g  number-meta-channels=%.20g\n",
1147       (double) image->number_channels,(double) image->number_meta_channels);
1148     (void) WriteBlobString(image,buffer);
1149     (void) FormatLocaleString(buffer,MagickPathExtent,
1150       "columns=%.20g  rows=%.20g depth=%.20g\n",(double) image->columns,
1151       (double) image->rows,(double) image->depth);
1152     (void) WriteBlobString(image,buffer);
1153     if (image->type != UndefinedType)
1154       {
1155         (void) FormatLocaleString(buffer,MagickPathExtent,"type=%s\n",
1156           CommandOptionToMnemonic(MagickTypeOptions,image->type));
1157         (void) WriteBlobString(image,buffer);
1158       }
1159     (void) FormatLocaleString(buffer,MagickPathExtent,"colorspace=%s\n",
1160       CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
1161     (void) WriteBlobString(image,buffer);
1162     if (image->intensity != UndefinedPixelIntensityMethod)
1163       {
1164         (void) FormatLocaleString(buffer,MagickPathExtent,
1165           "pixel-intensity=%s\n",CommandOptionToMnemonic(
1166           MagickPixelIntensityOptions,image->intensity));
1167         (void) WriteBlobString(image,buffer);
1168       }
1169     if (image->endian != UndefinedEndian)
1170       {
1171         (void) FormatLocaleString(buffer,MagickPathExtent,"endian=%s\n",
1172           CommandOptionToMnemonic(MagickEndianOptions,image->endian));
1173         (void) WriteBlobString(image,buffer);
1174       }
1175     if (image->compression != UndefinedCompression)
1176       {
1177         (void) FormatLocaleString(buffer,MagickPathExtent,
1178           "compression=%s  quality=%.20g\n",CommandOptionToMnemonic(
1179           MagickCompressOptions,image->compression),(double) image->quality);
1180         (void) WriteBlobString(image,buffer);
1181       }
1182     if (image->units != UndefinedResolution)
1183       {
1184         (void) FormatLocaleString(buffer,MagickPathExtent,"units=%s\n",
1185           CommandOptionToMnemonic(MagickResolutionOptions,image->units));
1186         (void) WriteBlobString(image,buffer);
1187       }
1188     if ((image->resolution.x != 0) || (image->resolution.y != 0))
1189       {
1190         (void) FormatLocaleString(buffer,MagickPathExtent,
1191           "resolution=%gx%g\n",image->resolution.x,image->resolution.y);
1192         (void) WriteBlobString(image,buffer);
1193       }
1194     if ((image->page.width != 0) || (image->page.height != 0))
1195       {
1196         (void) FormatLocaleString(buffer,MagickPathExtent,
1197           "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1198           image->page.height,(double) image->page.x,(double) image->page.y);
1199         (void) WriteBlobString(image,buffer);
1200       }
1201     else
1202       if ((image->page.x != 0) || (image->page.y != 0))
1203         {
1204           (void) FormatLocaleString(buffer,MagickPathExtent,"page=%+ld%+ld\n",
1205             (long) image->page.x,(long) image->page.y);
1206           (void) WriteBlobString(image,buffer);
1207         }
1208     if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0))
1209       {
1210         (void) FormatLocaleString(buffer,MagickPathExtent,
1211           "tile-offset=%+ld%+ld\n",(long) image->tile_offset.x,(long)
1212            image->tile_offset.y);
1213         (void) WriteBlobString(image,buffer);
1214       }
1215     if ((GetNextImageInList(image) != (Image *) NULL) ||
1216         (GetPreviousImageInList(image) != (Image *) NULL))
1217       {
1218         if (image->scene == 0)
1219           (void) FormatLocaleString(buffer,MagickPathExtent,
1220             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",(double)
1221             image->iterations,(double) image->delay,(double)
1222             image->ticks_per_second);
1223         else
1224           (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g  "
1225             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",
1226             (double) image->scene,(double) image->iterations,(double)
1227             image->delay,(double) image->ticks_per_second);
1228         (void) WriteBlobString(image,buffer);
1229       }
1230     else
1231       {
1232         if (image->scene != 0)
1233           {
1234             (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g\n",
1235               (double) image->scene);
1236             (void) WriteBlobString(image,buffer);
1237           }
1238         if (image->iterations != 0)
1239           {
1240             (void) FormatLocaleString(buffer,MagickPathExtent,
1241               "iterations=%.20g\n",(double) image->iterations);
1242             (void) WriteBlobString(image,buffer);
1243           }
1244         if (image->delay != 0)
1245           {
1246             (void) FormatLocaleString(buffer,MagickPathExtent,"delay=%.20g\n",
1247               (double) image->delay);
1248             (void) WriteBlobString(image,buffer);
1249           }
1250         if (image->ticks_per_second != UndefinedTicksPerSecond)
1251           {
1252             (void) FormatLocaleString(buffer,MagickPathExtent,
1253               "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
1254             (void) WriteBlobString(image,buffer);
1255           }
1256       }
1257     if (image->gravity != UndefinedGravity)
1258       {
1259         (void) FormatLocaleString(buffer,MagickPathExtent,"gravity=%s\n",
1260           CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
1261         (void) WriteBlobString(image,buffer);
1262       }
1263     if (image->dispose != UndefinedDispose)
1264       {
1265         (void) FormatLocaleString(buffer,MagickPathExtent,"dispose=%s\n",
1266           CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
1267         (void) WriteBlobString(image,buffer);
1268       }
1269     if (image->rendering_intent != UndefinedIntent)
1270       {
1271         (void) FormatLocaleString(buffer,MagickPathExtent,
1272           "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
1273           image->rendering_intent));
1274         (void) WriteBlobString(image,buffer);
1275       }
1276     if (image->gamma != 0.0)
1277       {
1278         (void) FormatLocaleString(buffer,MagickPathExtent,"gamma=%g\n",
1279           image->gamma);
1280         (void) WriteBlobString(image,buffer);
1281       }
1282     if (image->chromaticity.white_point.x != 0.0)
1283       {
1284         /*
1285           Note chomaticity points.
1286         */
1287         (void) FormatLocaleString(buffer,MagickPathExtent,"red-primary="
1288           "%g,%g  green-primary=%g,%g  blue-primary=%g,%g\n",
1289           image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
1290           image->chromaticity.green_primary.x,
1291           image->chromaticity.green_primary.y,
1292           image->chromaticity.blue_primary.x,
1293           image->chromaticity.blue_primary.y);
1294         (void) WriteBlobString(image,buffer);
1295         (void) FormatLocaleString(buffer,MagickPathExtent,
1296           "white-point=%g,%g\n",image->chromaticity.white_point.x,
1297           image->chromaticity.white_point.y);
1298         (void) WriteBlobString(image,buffer);
1299       }
1300     if (image->orientation != UndefinedOrientation)
1301       {
1302         (void) FormatLocaleString(buffer,MagickPathExtent,
1303           "orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
1304           image->orientation));
1305         (void) WriteBlobString(image,buffer);
1306       }
1307     if (image->profiles != (void *) NULL)
1308       {
1309         const char
1310           *name;
1311
1312         const StringInfo
1313           *profile;
1314
1315         /*
1316           Generic profile.
1317         */
1318         ResetImageProfileIterator(image);
1319         for (name=GetNextImageProfile(image); name != (const char *) NULL; )
1320         {
1321           profile=GetImageProfile(image,name);
1322           if (profile != (StringInfo *) NULL)
1323             {
1324               (void) FormatLocaleString(buffer,MagickPathExtent,
1325                 "profile:%s=%.20g\n",name,(double)
1326                 GetStringInfoLength(profile));
1327               (void) WriteBlobString(image,buffer);
1328             }
1329           name=GetNextImageProfile(image);
1330         }
1331       }
1332     if (image->montage != (char *) NULL)
1333       {
1334         (void) FormatLocaleString(buffer,MagickPathExtent,"montage=%s\n",
1335           image->montage);
1336         (void) WriteBlobString(image,buffer);
1337       }
1338     ResetImagePropertyIterator(image);
1339     property=GetNextImageProperty(image);
1340     while (property != (const char *) NULL)
1341     {
1342       (void) FormatLocaleString(buffer,MagickPathExtent,"%s=",property);
1343       (void) WriteBlobString(image,buffer);
1344       value=GetImageProperty(image,property,exception);
1345       if (value != (const char *) NULL)
1346         {
1347           size_t
1348             length;
1349
1350           length=strlen(value);
1351           for (i=0; i < (ssize_t) length; i++)
1352             if (isspace((int) ((unsigned char) value[i])) != 0)
1353               break;
1354           if ((i == (ssize_t) length) && (i != 0))
1355             (void) WriteBlob(image,length,(const unsigned char *) value);
1356           else
1357             {
1358               (void) WriteBlobByte(image,'{');
1359               if (strchr(value,'}') == (char *) NULL)
1360                 (void) WriteBlob(image,length,(const unsigned char *) value);
1361               else
1362                 for (i=0; i < (ssize_t) length; i++)
1363                 {
1364                   if (value[i] == (int) '}')
1365                     (void) WriteBlobByte(image,'\\');
1366                   (void) WriteBlobByte(image,value[i]);
1367                 }
1368               (void) WriteBlobByte(image,'}');
1369             }
1370         }
1371       (void) WriteBlobByte(image,'\n');
1372       property=GetNextImageProperty(image);
1373     }
1374     (void) WriteBlobString(image,"\f\n:\032");
1375     if (image->montage != (char *) NULL)
1376       {
1377         /*
1378           Write montage tile directory.
1379         */
1380         if (image->directory != (char *) NULL)
1381           (void) WriteBlobString(image,image->directory);
1382         (void) WriteBlobByte(image,'\0');
1383       }
1384     if (image->profiles != 0)
1385       {
1386         const char
1387           *name;
1388
1389         const StringInfo
1390           *profile;
1391
1392         /*
1393           Write image profiles.
1394         */
1395         ResetImageProfileIterator(image);
1396         name=GetNextImageProfile(image);
1397         while (name != (const char *) NULL)
1398         {
1399           profile=GetImageProfile(image,name);
1400           (void) WriteBlob(image,GetStringInfoLength(profile),
1401             GetStringInfoDatum(profile));
1402           name=GetNextImageProfile(image);
1403         }
1404       }
1405     if (image->storage_class == PseudoClass)
1406       {
1407         size_t
1408           packet_size;
1409
1410         unsigned char
1411           *colormap,
1412           *q;
1413
1414         /*
1415           Allocate colormap.
1416         */
1417         packet_size=(size_t) (3UL*depth/8UL);
1418         colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1419           packet_size*sizeof(*colormap));
1420         if (colormap == (unsigned char *) NULL)
1421           return(MagickFalse);
1422         /*
1423           Write colormap to file.
1424         */
1425         q=colormap;
1426         for (i=0; i < (ssize_t) image->colors; i++)
1427         {
1428           switch (depth)
1429           {
1430             default:
1431               ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
1432             case 32:
1433             {
1434               unsigned int
1435                 pixel;
1436
1437               pixel=ScaleQuantumToLong(image->colormap[i].red);
1438               q=PopLongPixel(MSBEndian,pixel,q);
1439               pixel=ScaleQuantumToLong(image->colormap[i].green);
1440               q=PopLongPixel(MSBEndian,pixel,q);
1441               pixel=ScaleQuantumToLong(image->colormap[i].blue);
1442               q=PopLongPixel(MSBEndian,pixel,q);
1443               break;
1444             }
1445             case 16:
1446             {
1447               unsigned short
1448                 pixel;
1449
1450               pixel=ScaleQuantumToShort(image->colormap[i].red);
1451               q=PopShortPixel(MSBEndian,pixel,q);
1452               pixel=ScaleQuantumToShort(image->colormap[i].green);
1453               q=PopShortPixel(MSBEndian,pixel,q);
1454               pixel=ScaleQuantumToShort(image->colormap[i].blue);
1455               q=PopShortPixel(MSBEndian,pixel,q);
1456               break;
1457             }
1458             case 8:
1459             {
1460               unsigned char
1461                 pixel;
1462
1463               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
1464               q=PopCharPixel(pixel,q);
1465               pixel=(unsigned char) ScaleQuantumToChar(
1466                 image->colormap[i].green);
1467               q=PopCharPixel(pixel,q);
1468               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
1469               q=PopCharPixel(pixel,q);
1470               break;
1471             }
1472           }
1473         }
1474         (void) WriteBlob(image,packet_size*image->colors,colormap);
1475         colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1476       }
1477     /*
1478       Initialize persistent pixel cache.
1479     */
1480     status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
1481       exception);
1482     if (GetNextImageInList(image) == (Image *) NULL)
1483       break;
1484     image=SyncNextImageInList(image);
1485     if (image->progress_monitor != (MagickProgressMonitor) NULL)
1486       {
1487         status=image->progress_monitor(SaveImagesTag,scene,
1488           GetImageListLength(image),image->client_data);
1489         if (status == MagickFalse)
1490           break;
1491       }
1492     scene++;
1493   } while (image_info->adjoin != MagickFalse);
1494   (void) CloseBlob(image);
1495   return(status);
1496 }