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                       {
 573                         options=DestroyString(options);
 574                         ThrowReaderException(CorruptImageError,
 575                           "ImproperImageHeader");
 576                       }
 577                     break;
 578                   }
 579                 break;
 580               }
 581               case 'o':
 582               case 'O':
 583               {
 584                 if (LocaleCompare(keyword,"orientation") == 0)
 585                   {
 586                     ssize_t
 587                       orientation;
 588
 589                     orientation=ParseCommandOption(MagickOrientationOptions,
 590                       MagickFalse,options);
 591                     if (orientation < 0)
 592                       break;
 593                     image->orientation=(OrientationType) orientation;
 594                     break;
 595                   }
 596                 (void) SetImageProperty(image,keyword,options,exception);
 597                 break;
 598               }
 599               case 'p':
 600               case 'P':
 601               {
 602                 if (LocaleCompare(keyword,"page") == 0)
 603                   {
 604                     char
 605                       *geometry;
 606
 607                     geometry=GetPageGeometry(options);
 608                     (void) ParseAbsoluteGeometry(geometry,&image->page);
 609                     geometry=DestroyString(geometry);
 610                     break;
 611                   }
 612                 if (LocaleCompare(keyword,"pixel-intensity") == 0)
 613                   {
 614                     ssize_t
 615                       intensity;
 616
 617                     intensity=ParseCommandOption(MagickPixelIntensityOptions,
 618                       MagickFalse,options);
 619                     if (intensity < 0)
 620                       break;
 621                     image->intensity=(PixelIntensityMethod) intensity;
 622                     break;
 623                   }
 624                 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
 625                     (LocaleNCompare(keyword,"profile-",8) == 0))
 626                   {
 627                     if (profiles == (LinkedListInfo *) NULL)
 628                       profiles=NewLinkedList(0);
 629                     (void) AppendValueToLinkedList(profiles,
 630                       AcquireString(keyword+8));
 631                     profile=BlobToStringInfo((const void *) NULL,(size_t)
 632                       StringToLong(options));
 633                     if (profile == (StringInfo *) NULL)
 634                       ThrowReaderException(ResourceLimitError,
 635                         "MemoryAllocationFailed");
 636                     (void) SetImageProfile(image,keyword+8,profile,exception);
 637                     profile=DestroyStringInfo(profile);
 638                     break;
 639                   }
 640                 (void) SetImageProperty(image,keyword,options,exception);
 641                 break;
 642               }
 643               case 'q':
 644               case 'Q':
 645               {
 646                 if (LocaleCompare(keyword,"quality") == 0)
 647                   {
 648                     image->quality=StringToUnsignedLong(options);
 649                     break;
 650                   }
 651                 (void) SetImageProperty(image,keyword,options,exception);
 652                 break;
 653               }
 654               case 'r':
 655               case 'R':
 656               {
 657                 if (LocaleCompare(keyword,"red-primary") == 0)
 658                   {
 659                     flags=ParseGeometry(options,&geometry_info);
 660                     image->chromaticity.red_primary.x=geometry_info.rho;
 661                     if ((flags & SigmaValue) != 0)
 662                       image->chromaticity.red_primary.y=geometry_info.sigma;
 663                     break;
 664                   }
 665                 if (LocaleCompare(keyword,"rendering-intent") == 0)
 666                   {
 667                     ssize_t
 668                       rendering_intent;
 669
 670                     rendering_intent=ParseCommandOption(MagickIntentOptions,
 671                       MagickFalse,options);
 672                     if (rendering_intent < 0)
 673                       break;
 674                     image->rendering_intent=(RenderingIntent) rendering_intent;
 675                     break;
 676                   }
 677                 if (LocaleCompare(keyword,"resolution") == 0)
 678                   {
 679                     flags=ParseGeometry(options,&geometry_info);
 680                     image->resolution.x=geometry_info.rho;
 681                     image->resolution.y=geometry_info.sigma;
 682                     if ((flags & SigmaValue) == 0)
 683                       image->resolution.y=image->resolution.x;
 684                     break;
 685                   }
 686                 if (LocaleCompare(keyword,"rows") == 0)
 687                   {
 688                     image->rows=StringToUnsignedLong(options);
 689                     break;
 690                   }
 691                 (void) SetImageProperty(image,keyword,options,exception);
 692                 break;
 693               }
 694               case 's':
 695               case 'S':
 696               {
 697                 if (LocaleCompare(keyword,"scene") == 0)
 698                   {
 699                     image->scene=StringToUnsignedLong(options);
 700                     break;
 701                   }
 702                 (void) SetImageProperty(image,keyword,options,exception);
 703                 break;
 704               }
 705               case 't':
 706               case 'T':
 707               {
 708                 if (LocaleCompare(keyword,"ticks-per-second") == 0)
 709                   {
 710                     image->ticks_per_second=(ssize_t) StringToLong(options);
 711                     break;
 712                   }
 713                 if (LocaleCompare(keyword,"tile-offset") == 0)
 714                   {
 715                     char
 716                       *geometry;
 717
 718                     geometry=GetPageGeometry(options);
 719                     (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
 720                     geometry=DestroyString(geometry);
 721                   }
 722                 if (LocaleCompare(keyword,"type") == 0)
 723                   {
 724                     ssize_t
 725                       type;
 726
 727                     type=ParseCommandOption(MagickTypeOptions,MagickFalse,
 728                       options);
 729                     if (type < 0)
 730                       break;
 731                     image->type=(ImageType) type;
 732                     break;
 733                   }
 734                 (void) SetImageProperty(image,keyword,options,exception);
 735                 break;
 736               }
 737               case 'u':
 738               case 'U':
 739               {
 740                 if (LocaleCompare(keyword,"units") == 0)
 741                   {
 742                     ssize_t
 743                       units;
 744
 745                     units=ParseCommandOption(MagickResolutionOptions,
 746                       MagickFalse,options);
 747                     if (units < 0)
 748                       break;
 749                     image->units=(ResolutionType) units;
 750                     break;
 751                   }
 752                 (void) SetImageProperty(image,keyword,options,exception);
 753                 break;
 754               }
 755               case 'w':
 756               case 'W':
 757               {
 758                 if (LocaleCompare(keyword,"white-point") == 0)
 759                   {
 760                     flags=ParseGeometry(options,&geometry_info);
 761                     image->chromaticity.white_point.x=geometry_info.rho;
 762                     image->chromaticity.white_point.y=geometry_info.sigma;
 763                     if ((flags & SigmaValue) == 0)
 764                       image->chromaticity.white_point.y=
 765                         image->chromaticity.white_point.x;
 766                     break;
 767                   }
 768                 (void) SetImageProperty(image,keyword,options,exception);
 769                 break;
 770               }
 771               default:
 772               {
 773                 (void) SetImageProperty(image,keyword,options,exception);
 774                 break;
 775               }
 776             }
 777           }
 778         else
 779           c=ReadBlobByte(image);
 780       while (isspace((int) ((unsigned char) c)) != 0)
 781         c=ReadBlobByte(image);
 782     }
 783     options=DestroyString(options);
 784     (void) ReadBlobByte(image);
 785     /*
 786       Verify that required image information is defined.
 787     */
 788     if ((LocaleCompare(id,"MagickCache") != 0) ||
 789         (image->storage_class == UndefinedClass) ||
 790         (image->compression == UndefinedCompression) || (image->columns == 0) ||
 791         (image->rows == 0))
 792       {
 793         if (profiles != (LinkedListInfo *) NULL)
 794           profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 795         ThrowReaderException(CorruptImageError,"ImproperImageHeader");
 796       }
 797     if (signature != GetMagickSignature((const StringInfo *) NULL))
 798       {
 799         if (profiles != (LinkedListInfo *) NULL)
 800           profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 801         ThrowReaderException(CacheError,"IncompatibleAPI");
 802       }
 803     if (image->montage != (char *) NULL)
 804       {
 805         register char
 806           *p;
 807
 808         /*
 809           Image directory.
 810         */
 811         length=MagickPathExtent;
 812         image->directory=AcquireString((char *) NULL);
 813         p=image->directory;
 814         do
 815         {
 816           *p='\0';
 817           if ((strlen(image->directory)+MagickPathExtent) >= length)
 818             {
 819               /*
 820                 Allocate more memory for the image directory.
 821               */
 822               length<<=1;
 823               image->directory=(char *) ResizeQuantumMemory(image->directory,
 824                 length+MagickPathExtent,sizeof(*image->directory));
 825               if (image->directory == (char *) NULL)
 826                 {
 827                   if (profiles != (LinkedListInfo *) NULL)
 828                     profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 829                   ThrowReaderException(CorruptImageError,
 830                     "UnableToReadImageData");
 831                 }
 832               p=image->directory+strlen(image->directory);
 833             }
 834           c=ReadBlobByte(image);
 835           *p++=(char) c;
 836         } while (c != (int) '\0');
 837       }
 838     if (profiles != (LinkedListInfo *) NULL)
 839       {
 840         const char
 841           *name;
 842
 843         const StringInfo
 844           *profile;
 845
 846         register unsigned char
 847           *p;
 848
 849         /*
 850           Read image profiles.
 851         */
 852         ResetLinkedListIterator(profiles);
 853         name=(const char *) GetNextValueInLinkedList(profiles);
 854         while (name != (const char *) NULL)
 855         {
 856           profile=GetImageProfile(image,name);
 857           if (profile != (StringInfo *) NULL)
 858             {
 859               p=GetStringInfoDatum(profile);
 860               count=ReadBlob(image,GetStringInfoLength(profile),p);
 861             }
 862           name=(const char *) GetNextValueInLinkedList(profiles);
 863         }
 864         profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
 865       }
 866     depth=GetImageQuantumDepth(image,MagickFalse);
 867     if (image->storage_class == PseudoClass)
 868       {
 869         size_t
 870           packet_size;
 871
 872         unsigned char
 873           *colormap;
 874
 875         /*
 876           Create image colormap.
 877         */
 878         packet_size=(size_t) (3UL*depth/8UL);
 879         if ((packet_size*image->colors) > GetBlobSize(image))
 880           ThrowReaderException(CorruptImageError,"InsufficientImageDataInFile");
 881         image->colormap=(PixelInfo *) AcquireQuantumMemory(image->colors+1,
 882           sizeof(*image->colormap));
 883         if (image->colormap == (PixelInfo *) NULL)
 884           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 885         if (image->colors != 0)
 886           {
 887             /*
 888               Read image colormap from file.
 889             */
 890             colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
 891               packet_size*sizeof(*colormap));
 892             if (colormap == (unsigned char *) NULL)
 893               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
 894             count=ReadBlob(image,packet_size*image->colors,colormap);
 895             if (count != (ssize_t) (packet_size*image->colors))
 896               {
 897                 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 898                 ThrowReaderException(CorruptImageError,
 899                   "InsufficientImageDataInFile");
 900               }
 901             p=colormap;
 902             switch (depth)
 903             {
 904               default:
 905                 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 906                 ThrowReaderException(CorruptImageError,
 907                   "ImageDepthNotSupported");
 908               case 8:
 909               {
 910                 unsigned char
 911                   pixel;
 912
 913                 for (i=0; i < (ssize_t) image->colors; i++)
 914                 {
 915                   p=PushCharPixel(p,&pixel);
 916                   image->colormap[i].red=ScaleCharToQuantum(pixel);
 917                   p=PushCharPixel(p,&pixel);
 918                   image->colormap[i].green=ScaleCharToQuantum(pixel);
 919                   p=PushCharPixel(p,&pixel);
 920                   image->colormap[i].blue=ScaleCharToQuantum(pixel);
 921                 }
 922                 break;
 923               }
 924               case 16:
 925               {
 926                 unsigned short
 927                   pixel;
 928
 929                 for (i=0; i < (ssize_t) image->colors; i++)
 930                 {
 931                   p=PushShortPixel(MSBEndian,p,&pixel);
 932                   image->colormap[i].red=ScaleShortToQuantum(pixel);
 933                   p=PushShortPixel(MSBEndian,p,&pixel);
 934                   image->colormap[i].green=ScaleShortToQuantum(pixel);
 935                   p=PushShortPixel(MSBEndian,p,&pixel);
 936                   image->colormap[i].blue=ScaleShortToQuantum(pixel);
 937                 }
 938                 break;
 939               }
 940               case 32:
 941               {
 942                 unsigned int
 943                   pixel;
 944
 945                 for (i=0; i < (ssize_t) image->colors; i++)
 946                 {
 947                   p=PushLongPixel(MSBEndian,p,&pixel);
 948                   image->colormap[i].red=ScaleLongToQuantum(pixel);
 949                   p=PushLongPixel(MSBEndian,p,&pixel);
 950                   image->colormap[i].green=ScaleLongToQuantum(pixel);
 951                   p=PushLongPixel(MSBEndian,p,&pixel);
 952                   image->colormap[i].blue=ScaleLongToQuantum(pixel);
 953                 }
 954                 break;
 955               }
 956             }
 957             colormap=(unsigned char *) RelinquishMagickMemory(colormap);
 958           }
 959       }
 960     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
 961       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
 962         break;
 963     if ((AcquireMagickResource(WidthResource,image->columns) == MagickFalse) ||
 964         (AcquireMagickResource(HeightResource,image->rows) == MagickFalse))
 965       ThrowReaderException(ImageError,"WidthOrHeightExceedsLimit");
 966     /*
 967       Attach persistent pixel cache.
 968     */
 969     status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
 970     if (status == MagickFalse)
 971       ThrowReaderException(CacheError,"UnableToPersistPixelCache");
 972     if (EOFBlob(image) != MagickFalse)
 973       {
 974         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
 975           image->filename);
 976         break;
 977       }
 978     /*
 979       Proceed to next image.
 980     */
 981     do
 982     {
 983       c=ReadBlobByte(image);
 984     } while ((isgraph(c) == MagickFalse) && (c != EOF));
 985     if (c != EOF)
 986       {
 987         /*
 988           Allocate next image structure.
 989         */
 990         AcquireNextImage(image_info,image,exception);
 991         if (GetNextImageInList(image) == (Image *) NULL)
 992           {
 993             image=DestroyImageList(image);
 994             return((Image *) NULL);
 995           }
 996         image=SyncNextImageInList(image);
 997         status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
 998           GetBlobSize(image));
 999         if (status == MagickFalse)
1000           break;
1001       }
1002   } while (c != EOF);
1003   (void) CloseBlob(image);
1004   return(GetFirstImageInList(image));
1005 }
1006 \f
1007 /*
1008 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1009 %                                                                             %
1010 %                                                                             %
1011 %                                                                             %
1012 %   R e g i s t e r M P C I m a g e                                           %
1013 %                                                                             %
1014 %                                                                             %
1015 %                                                                             %
1016 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1017 %
1018 %  RegisterMPCImage() adds properties for the Cache image format to
1019 %  the list of supported formats.  The properties include the image format
1020 %  tag, a method to read and/or write the format, whether the format
1021 %  supports the saving of more than one frame to the same file or blob,
1022 %  whether the format supports native in-memory I/O, and a brief
1023 %  description of the format.
1024 %
1025 %  The format of the RegisterMPCImage method is:
1026 %
1027 %      size_t RegisterMPCImage(void)
1028 %
1029 */
1030 ModuleExport size_t RegisterMPCImage(void)
1031 {
1032   MagickInfo
1033     *entry;
1034
1035   entry=AcquireMagickInfo("MPC","CACHE",
1036     "Magick Persistent Cache image format");
1037   entry->flags|=CoderStealthFlag;
1038   (void) RegisterMagickInfo(entry);
1039   entry=AcquireMagickInfo("MPC","MPC","Magick Persistent Cache image format");
1040   entry->decoder=(DecodeImageHandler *) ReadMPCImage;
1041   entry->encoder=(EncodeImageHandler *) WriteMPCImage;
1042   entry->magick=(IsImageFormatHandler *) IsMPC;
1043   entry->flags|=CoderDecoderSeekableStreamFlag;
1044   (void) RegisterMagickInfo(entry);
1045   return(MagickImageCoderSignature);
1046 }
1047 \f
1048 /*
1049 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1050 %                                                                             %
1051 %                                                                             %
1052 %                                                                             %
1053 %   U n r e g i s t e r M P C I m a g e                                       %
1054 %                                                                             %
1055 %                                                                             %
1056 %                                                                             %
1057 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1058 %
1059 %  UnregisterMPCImage() removes format registrations made by the
1060 %  MPC module from the list of supported formats.
1061 %
1062 %  The format of the UnregisterMPCImage method is:
1063 %
1064 %      UnregisterMPCImage(void)
1065 %
1066 */
1067 ModuleExport void UnregisterMPCImage(void)
1068 {
1069   (void) UnregisterMagickInfo("CACHE");
1070   (void) UnregisterMagickInfo("MPC");
1071 }
1072 \f
1073 /*
1074 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1075 %                                                                             %
1076 %                                                                             %
1077 %                                                                             %
1078 %   W r i t e M P C I m a g e                                                 %
1079 %                                                                             %
1080 %                                                                             %
1081 %                                                                             %
1082 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1083 %
1084 %  WriteMPCImage() writes an Magick Persistent Cache image to a file.
1085 %
1086 %  The format of the WriteMPCImage method is:
1087 %
1088 %      MagickBooleanType WriteMPCImage(const ImageInfo *image_info,
1089 %        Image *image,ExceptionInfo *exception)
1090 %
1091 %  A description of each parameter follows:
1092 %
1093 %    o image_info: the image info.
1094 %
1095 %    o image: the image.
1096 %
1097 %    o exception: return any errors or warnings in this structure.
1098 %
1099 */
1100 static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image,
1101   ExceptionInfo *exception)
1102 {
1103   char
1104     buffer[MagickPathExtent],
1105     cache_filename[MagickPathExtent];
1106
1107   const char
1108     *property,
1109     *value;
1110
1111   MagickBooleanType
1112     status;
1113
1114   MagickOffsetType
1115     offset,
1116     scene;
1117
1118   register ssize_t
1119     i;
1120
1121   size_t
1122     depth;
1123
1124   /*
1125     Open persistent cache.
1126   */
1127   assert(image_info != (const ImageInfo *) NULL);
1128   assert(image_info->signature == MagickCoreSignature);
1129   assert(image != (Image *) NULL);
1130   assert(image->signature == MagickCoreSignature);
1131   if (image->debug != MagickFalse)
1132     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1133   assert(exception != (ExceptionInfo *) NULL);
1134   assert(exception->signature == MagickCoreSignature);
1135   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1136   if (status == MagickFalse)
1137     return(status);
1138   (void) CopyMagickString(cache_filename,image->filename,MagickPathExtent);
1139   AppendImageFormat("cache",cache_filename);
1140   scene=0;
1141   offset=0;
1142   do
1143   {
1144     /*
1145       Write persistent cache meta-information.
1146     */
1147     depth=GetImageQuantumDepth(image,MagickTrue);
1148     if ((image->storage_class == PseudoClass) &&
1149         (image->colors > (size_t) (GetQuantumRange(image->depth)+1)))
1150       (void) SetImageStorageClass(image,DirectClass,exception);
1151     (void) WriteBlobString(image,"id=MagickCache\n");
1152     (void) FormatLocaleString(buffer,MagickPathExtent,"magick-signature=%u\n",
1153       GetMagickSignature((const StringInfo *) NULL));
1154     (void) WriteBlobString(image,buffer);
1155     (void) FormatLocaleString(buffer,MagickPathExtent,
1156       "class=%s  colors=%.20g  alpha-trait=%s\n",CommandOptionToMnemonic(
1157       MagickClassOptions,image->storage_class),(double) image->colors,
1158       CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
1159       image->alpha_trait));
1160     (void) WriteBlobString(image,buffer);
1161     (void) FormatLocaleString(buffer,MagickPathExtent,
1162       "number-channels=%.20g  number-meta-channels=%.20g\n",
1163       (double) image->number_channels,(double) image->number_meta_channels);
1164     (void) WriteBlobString(image,buffer);
1165     (void) FormatLocaleString(buffer,MagickPathExtent,
1166       "columns=%.20g  rows=%.20g depth=%.20g\n",(double) image->columns,
1167       (double) image->rows,(double) image->depth);
1168     (void) WriteBlobString(image,buffer);
1169     if (image->type != UndefinedType)
1170       {
1171         (void) FormatLocaleString(buffer,MagickPathExtent,"type=%s\n",
1172           CommandOptionToMnemonic(MagickTypeOptions,image->type));
1173         (void) WriteBlobString(image,buffer);
1174       }
1175     (void) FormatLocaleString(buffer,MagickPathExtent,"colorspace=%s\n",
1176       CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
1177     (void) WriteBlobString(image,buffer);
1178     if (image->intensity != UndefinedPixelIntensityMethod)
1179       {
1180         (void) FormatLocaleString(buffer,MagickPathExtent,
1181           "pixel-intensity=%s\n",CommandOptionToMnemonic(
1182           MagickPixelIntensityOptions,image->intensity));
1183         (void) WriteBlobString(image,buffer);
1184       }
1185     if (image->endian != UndefinedEndian)
1186       {
1187         (void) FormatLocaleString(buffer,MagickPathExtent,"endian=%s\n",
1188           CommandOptionToMnemonic(MagickEndianOptions,image->endian));
1189         (void) WriteBlobString(image,buffer);
1190       }
1191     if (image->compression != UndefinedCompression)
1192       {
1193         (void) FormatLocaleString(buffer,MagickPathExtent,
1194           "compression=%s  quality=%.20g\n",CommandOptionToMnemonic(
1195           MagickCompressOptions,image->compression),(double) image->quality);
1196         (void) WriteBlobString(image,buffer);
1197       }
1198     if (image->units != UndefinedResolution)
1199       {
1200         (void) FormatLocaleString(buffer,MagickPathExtent,"units=%s\n",
1201           CommandOptionToMnemonic(MagickResolutionOptions,image->units));
1202         (void) WriteBlobString(image,buffer);
1203       }
1204     if ((image->resolution.x != 0) || (image->resolution.y != 0))
1205       {
1206         (void) FormatLocaleString(buffer,MagickPathExtent,
1207           "resolution=%gx%g\n",image->resolution.x,image->resolution.y);
1208         (void) WriteBlobString(image,buffer);
1209       }
1210     if ((image->page.width != 0) || (image->page.height != 0))
1211       {
1212         (void) FormatLocaleString(buffer,MagickPathExtent,
1213           "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1214           image->page.height,(double) image->page.x,(double) image->page.y);
1215         (void) WriteBlobString(image,buffer);
1216       }
1217     else
1218       if ((image->page.x != 0) || (image->page.y != 0))
1219         {
1220           (void) FormatLocaleString(buffer,MagickPathExtent,"page=%+ld%+ld\n",
1221             (long) image->page.x,(long) image->page.y);
1222           (void) WriteBlobString(image,buffer);
1223         }
1224     if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0))
1225       {
1226         (void) FormatLocaleString(buffer,MagickPathExtent,
1227           "tile-offset=%+ld%+ld\n",(long) image->tile_offset.x,(long)
1228            image->tile_offset.y);
1229         (void) WriteBlobString(image,buffer);
1230       }
1231     if ((GetNextImageInList(image) != (Image *) NULL) ||
1232         (GetPreviousImageInList(image) != (Image *) NULL))
1233       {
1234         if (image->scene == 0)
1235           (void) FormatLocaleString(buffer,MagickPathExtent,
1236             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",(double)
1237             image->iterations,(double) image->delay,(double)
1238             image->ticks_per_second);
1239         else
1240           (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g  "
1241             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",
1242             (double) image->scene,(double) image->iterations,(double)
1243             image->delay,(double) image->ticks_per_second);
1244         (void) WriteBlobString(image,buffer);
1245       }
1246     else
1247       {
1248         if (image->scene != 0)
1249           {
1250             (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g\n",
1251               (double) image->scene);
1252             (void) WriteBlobString(image,buffer);
1253           }
1254         if (image->iterations != 0)
1255           {
1256             (void) FormatLocaleString(buffer,MagickPathExtent,
1257               "iterations=%.20g\n",(double) image->iterations);
1258             (void) WriteBlobString(image,buffer);
1259           }
1260         if (image->delay != 0)
1261           {
1262             (void) FormatLocaleString(buffer,MagickPathExtent,"delay=%.20g\n",
1263               (double) image->delay);
1264             (void) WriteBlobString(image,buffer);
1265           }
1266         if (image->ticks_per_second != UndefinedTicksPerSecond)
1267           {
1268             (void) FormatLocaleString(buffer,MagickPathExtent,
1269               "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
1270             (void) WriteBlobString(image,buffer);
1271           }
1272       }
1273     if (image->gravity != UndefinedGravity)
1274       {
1275         (void) FormatLocaleString(buffer,MagickPathExtent,"gravity=%s\n",
1276           CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
1277         (void) WriteBlobString(image,buffer);
1278       }
1279     if (image->dispose != UndefinedDispose)
1280       {
1281         (void) FormatLocaleString(buffer,MagickPathExtent,"dispose=%s\n",
1282           CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
1283         (void) WriteBlobString(image,buffer);
1284       }
1285     if (image->rendering_intent != UndefinedIntent)
1286       {
1287         (void) FormatLocaleString(buffer,MagickPathExtent,
1288           "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
1289           image->rendering_intent));
1290         (void) WriteBlobString(image,buffer);
1291       }
1292     if (image->gamma != 0.0)
1293       {
1294         (void) FormatLocaleString(buffer,MagickPathExtent,"gamma=%g\n",
1295           image->gamma);
1296         (void) WriteBlobString(image,buffer);
1297       }
1298     if (image->chromaticity.white_point.x != 0.0)
1299       {
1300         /*
1301           Note chomaticity points.
1302         */
1303         (void) FormatLocaleString(buffer,MagickPathExtent,"red-primary="
1304           "%g,%g  green-primary=%g,%g  blue-primary=%g,%g\n",
1305           image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
1306           image->chromaticity.green_primary.x,
1307           image->chromaticity.green_primary.y,
1308           image->chromaticity.blue_primary.x,
1309           image->chromaticity.blue_primary.y);
1310         (void) WriteBlobString(image,buffer);
1311         (void) FormatLocaleString(buffer,MagickPathExtent,
1312           "white-point=%g,%g\n",image->chromaticity.white_point.x,
1313           image->chromaticity.white_point.y);
1314         (void) WriteBlobString(image,buffer);
1315       }
1316     if (image->orientation != UndefinedOrientation)
1317       {
1318         (void) FormatLocaleString(buffer,MagickPathExtent,
1319           "orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
1320           image->orientation));
1321         (void) WriteBlobString(image,buffer);
1322       }
1323     if (image->profiles != (void *) NULL)
1324       {
1325         const char
1326           *name;
1327
1328         const StringInfo
1329           *profile;
1330
1331         /*
1332           Generic profile.
1333         */
1334         ResetImageProfileIterator(image);
1335         for (name=GetNextImageProfile(image); name != (const char *) NULL; )
1336         {
1337           profile=GetImageProfile(image,name);
1338           if (profile != (StringInfo *) NULL)
1339             {
1340               (void) FormatLocaleString(buffer,MagickPathExtent,
1341                 "profile:%s=%.20g\n",name,(double)
1342                 GetStringInfoLength(profile));
1343               (void) WriteBlobString(image,buffer);
1344             }
1345           name=GetNextImageProfile(image);
1346         }
1347       }
1348     if (image->montage != (char *) NULL)
1349       {
1350         (void) FormatLocaleString(buffer,MagickPathExtent,"montage=%s\n",
1351           image->montage);
1352         (void) WriteBlobString(image,buffer);
1353       }
1354     ResetImagePropertyIterator(image);
1355     property=GetNextImageProperty(image);
1356     while (property != (const char *) NULL)
1357     {
1358       (void) FormatLocaleString(buffer,MagickPathExtent,"%s=",property);
1359       (void) WriteBlobString(image,buffer);
1360       value=GetImageProperty(image,property,exception);
1361       if (value != (const char *) NULL)
1362         {
1363           size_t
1364             length;
1365
1366           length=strlen(value);
1367           for (i=0; i < (ssize_t) length; i++)
1368             if (isspace((int) ((unsigned char) value[i])) != 0)
1369               break;
1370           if ((i == (ssize_t) length) && (i != 0))
1371             (void) WriteBlob(image,length,(const unsigned char *) value);
1372           else
1373             {
1374               (void) WriteBlobByte(image,'{');
1375               if (strchr(value,'}') == (char *) NULL)
1376                 (void) WriteBlob(image,length,(const unsigned char *) value);
1377               else
1378                 for (i=0; i < (ssize_t) length; i++)
1379                 {
1380                   if (value[i] == (int) '}')
1381                     (void) WriteBlobByte(image,'\\');
1382                   (void) WriteBlobByte(image,value[i]);
1383                 }
1384               (void) WriteBlobByte(image,'}');
1385             }
1386         }
1387       (void) WriteBlobByte(image,'\n');
1388       property=GetNextImageProperty(image);
1389     }
1390     (void) WriteBlobString(image,"\f\n:\032");
1391     if (image->montage != (char *) NULL)
1392       {
1393         /*
1394           Write montage tile directory.
1395         */
1396         if (image->directory != (char *) NULL)
1397           (void) WriteBlobString(image,image->directory);
1398         (void) WriteBlobByte(image,'\0');
1399       }
1400     if (image->profiles != 0)
1401       {
1402         const char
1403           *name;
1404
1405         const StringInfo
1406           *profile;
1407
1408         /*
1409           Write image profiles.
1410         */
1411         ResetImageProfileIterator(image);
1412         name=GetNextImageProfile(image);
1413         while (name != (const char *) NULL)
1414         {
1415           profile=GetImageProfile(image,name);
1416           (void) WriteBlob(image,GetStringInfoLength(profile),
1417             GetStringInfoDatum(profile));
1418           name=GetNextImageProfile(image);
1419         }
1420       }
1421     if (image->storage_class == PseudoClass)
1422       {
1423         size_t
1424           packet_size;
1425
1426         unsigned char
1427           *colormap,
1428           *q;
1429
1430         /*
1431           Allocate colormap.
1432         */
1433         packet_size=(size_t) (3UL*depth/8UL);
1434         colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1435           packet_size*sizeof(*colormap));
1436         if (colormap == (unsigned char *) NULL)
1437           return(MagickFalse);
1438         /*
1439           Write colormap to file.
1440         */
1441         q=colormap;
1442         for (i=0; i < (ssize_t) image->colors; i++)
1443         {
1444           switch (depth)
1445           {
1446             default:
1447               ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
1448             case 32:
1449             {
1450               unsigned int
1451                 pixel;
1452
1453               pixel=ScaleQuantumToLong(image->colormap[i].red);
1454               q=PopLongPixel(MSBEndian,pixel,q);
1455               pixel=ScaleQuantumToLong(image->colormap[i].green);
1456               q=PopLongPixel(MSBEndian,pixel,q);
1457               pixel=ScaleQuantumToLong(image->colormap[i].blue);
1458               q=PopLongPixel(MSBEndian,pixel,q);
1459               break;
1460             }
1461             case 16:
1462             {
1463               unsigned short
1464                 pixel;
1465
1466               pixel=ScaleQuantumToShort(image->colormap[i].red);
1467               q=PopShortPixel(MSBEndian,pixel,q);
1468               pixel=ScaleQuantumToShort(image->colormap[i].green);
1469               q=PopShortPixel(MSBEndian,pixel,q);
1470               pixel=ScaleQuantumToShort(image->colormap[i].blue);
1471               q=PopShortPixel(MSBEndian,pixel,q);
1472               break;
1473             }
1474             case 8:
1475             {
1476               unsigned char
1477                 pixel;
1478
1479               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
1480               q=PopCharPixel(pixel,q);
1481               pixel=(unsigned char) ScaleQuantumToChar(
1482                 image->colormap[i].green);
1483               q=PopCharPixel(pixel,q);
1484               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
1485               q=PopCharPixel(pixel,q);
1486               break;
1487             }
1488           }
1489         }
1490         (void) WriteBlob(image,packet_size*image->colors,colormap);
1491         colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1492       }
1493     /*
1494       Initialize persistent pixel cache.
1495     */
1496     status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
1497       exception);
1498     if (status == MagickFalse)
1499       ThrowWriterException(CacheError,"UnableToPersistPixelCache");
1500     if (GetNextImageInList(image) == (Image *) NULL)
1501       break;
1502     image=SyncNextImageInList(image);
1503     if (image->progress_monitor != (MagickProgressMonitor) NULL)
1504       {
1505         status=image->progress_monitor(SaveImagesTag,scene,
1506           GetImageListLength(image),image->client_data);
1507         if (status == MagickFalse)
1508           break;
1509       }
1510     scene++;
1511   } while (image_info->adjoin != MagickFalse);
1512   (void) CloseBlob(image);
1513   return(status);
1514 }