]> granicus.if.org Git - imagemagick/blob - coders/mpc.c
Renamed hashmap.c to linked-list.c and removed the hashmap code.
[imagemagick] / 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 1999-2016 ImageMagick Studio LLC, a non-profit organization      %
21 %  dedicated to making software imaging solutions freely available.           %
22 %                                                                             %
23 %  You may not use this file except in compliance with the License.  You may  %
24 %  obtain a copy of the License at                                            %
25 %                                                                             %
26 %    http://www.imagemagick.org/script/license.php                            %
27 %                                                                             %
28 %  Unless required by applicable law or agreed to in writing, software        %
29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
31 %  See the License for the specific language governing permissions and        %
32 %  limitations under the License.                                             %
33 %                                                                             %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 %
38 */
39 \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/static.h"
70 #include "MagickCore/statistic.h"
71 #include "MagickCore/string_.h"
72 #include "MagickCore/string-private.h"
73 #include "MagickCore/utility.h"
74 #include "MagickCore/version-private.h"
75 \f
76 /*
77   Forward declarations.
78 */
79 static MagickBooleanType
80   WriteMPCImage(const ImageInfo *,Image *,ExceptionInfo *);
81 \f
82 /*
83 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
84 %                                                                             %
85 %                                                                             %
86 %                                                                             %
87 %   I s M P C                                                                 %
88 %                                                                             %
89 %                                                                             %
90 %                                                                             %
91 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
92 %
93 %  IsMPC() returns MagickTrue if the image format type, identified by the
94 %  magick string, is an Magick Persistent Cache image.
95 %
96 %  The format of the IsMPC method is:
97 %
98 %      MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
99 %
100 %  A description of each parameter follows:
101 %
102 %    o magick: compare image format pattern against these bytes.
103 %
104 %    o length: Specifies the length of the magick string.
105 %
106 */
107 static MagickBooleanType IsMPC(const unsigned char *magick,const size_t length)
108 {
109   if (length < 14)
110     return(MagickFalse);
111   if (LocaleNCompare((const char *) magick,"id=MagickCache",14) == 0)
112     return(MagickTrue);
113   return(MagickFalse);
114 }
115 \f
116 /*
117 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
118 %                                                                             %
119 %                                                                             %
120 %                                                                             %
121 %   R e a d C A C H E I m a g e                                               %
122 %                                                                             %
123 %                                                                             %
124 %                                                                             %
125 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
126 %
127 %  ReadMPCImage() reads an Magick Persistent Cache image file and returns
128 %  it.  It allocates the memory necessary for the new Image structure and
129 %  returns a pointer to the new image.
130 %
131 %  The format of the ReadMPCImage method is:
132 %
133 %      Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
134 %
135 %  Decompression code contributed by Kyle Shorter.
136 %
137 %  A description of each parameter follows:
138 %
139 %    o image_info: the image info.
140 %
141 %    o exception: return any errors or warnings in this structure.
142 %
143 */
144 static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
145 {
146   char
147     cache_filename[MagickPathExtent],
148     id[MagickPathExtent],
149     keyword[MagickPathExtent],
150     *options;
151
152   const unsigned char
153     *p;
154
155   GeometryInfo
156     geometry_info;
157
158   Image
159     *image;
160
161   int
162     c;
163
164   LinkedListInfo
165     *profiles;
166
167   MagickBooleanType
168     status;
169
170   MagickOffsetType
171     offset;
172
173   MagickStatusType
174     flags;
175
176   register ssize_t
177     i;
178
179   size_t
180     depth,
181     length;
182
183   ssize_t
184     count;
185
186   StringInfo
187     *profile;
188
189   unsigned int
190     signature;
191
192   /*
193     Open image file.
194   */
195   assert(image_info != (const ImageInfo *) NULL);
196   assert(image_info->signature == MagickCoreSignature);
197   if (image_info->debug != MagickFalse)
198     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
199       image_info->filename);
200   assert(exception != (ExceptionInfo *) NULL);
201   assert(exception->signature == MagickCoreSignature);
202   image=AcquireImage(image_info,exception);
203   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
204   if (status == MagickFalse)
205     {
206       image=DestroyImageList(image);
207       return((Image *) NULL);
208     }
209   (void) CopyMagickString(cache_filename,image->filename,MagickPathExtent);
210   AppendImageFormat("cache",cache_filename);
211   c=ReadBlobByte(image);
212   if (c == EOF)
213     {
214       image=DestroyImage(image);
215       return((Image *) NULL);
216     }
217   *id='\0';
218   (void) ResetMagickMemory(keyword,0,sizeof(keyword));
219   offset=0;
220   do
221   {
222     /*
223       Decode image header;  header terminates one character beyond a ':'.
224     */
225     profiles=(LinkedListInfo *) NULL;
226     length=MagickPathExtent;
227     options=AcquireString((char *) NULL);
228     signature=GetMagickSignature((const StringInfo *) NULL);
229     image->depth=8;
230     image->compression=NoCompression;
231     while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
232     {
233       register char
234         *p;
235
236       if (c == (int) '{')
237         {
238           char
239             *comment;
240
241           /*
242             Read comment-- any text between { }.
243           */
244           length=MagickPathExtent;
245           comment=AcquireString((char *) NULL);
246           for (p=comment; comment != (char *) NULL; p++)
247           {
248             c=ReadBlobByte(image);
249             if (c == (int) '\\')
250               c=ReadBlobByte(image);
251             else
252               if ((c == EOF) || (c == (int) '}'))
253                 break;
254             if ((size_t) (p-comment+1) >= length)
255               {
256                 *p='\0';
257                 length<<=1;
258                 comment=(char *) ResizeQuantumMemory(comment,length+
259                   MagickPathExtent,sizeof(*comment));
260                 if (comment == (char *) NULL)
261                   break;
262                 p=comment+strlen(comment);
263               }
264             *p=(char) c;
265           }
266           if (comment == (char *) NULL)
267             ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
268           *p='\0';
269           (void) SetImageProperty(image,"comment",comment,exception);
270           comment=DestroyString(comment);
271           c=ReadBlobByte(image);
272         }
273       else
274         if (isalnum(c) != MagickFalse)
275           {
276             /*
277               Get the keyword.
278             */
279             length=MagickPathExtent;
280             p=keyword;
281             do
282             {
283               if (c == (int) '=')
284                 break;
285               if ((size_t) (p-keyword) < (MagickPathExtent-1))
286                 *p++=(char) c;
287               c=ReadBlobByte(image);
288             } while (c != EOF);
289             *p='\0';
290             p=options;
291             while (isspace((int) ((unsigned char) c)) != 0)
292               c=ReadBlobByte(image);
293             if (c == (int) '=')
294               {
295                 /*
296                   Get the keyword value.
297                 */
298                 c=ReadBlobByte(image);
299                 while ((c != (int) '}') && (c != EOF))
300                 {
301                   if ((size_t) (p-options+1) >= length)
302                     {
303                       *p='\0';
304                       length<<=1;
305                       options=(char *) ResizeQuantumMemory(options,length+
306                         MagickPathExtent,sizeof(*options));
307                       if (options == (char *) NULL)
308                         break;
309                       p=options+strlen(options);
310                     }
311                   *p++=(char) c;
312                   c=ReadBlobByte(image);
313                   if (c == '\\')
314                     {
315                       c=ReadBlobByte(image);
316                       if (c == (int) '}')
317                         {
318                           *p++=(char) c;
319                           c=ReadBlobByte(image);
320                         }
321                     }
322                   if (*options != '{')
323                     if (isspace((int) ((unsigned char) c)) != 0)
324                       break;
325                 }
326                 if (options == (char *) NULL)
327                   ThrowReaderException(ResourceLimitError,
328                     "MemoryAllocationFailed");
329               }
330             *p='\0';
331             if (*options == '{')
332               (void) CopyMagickString(options,options+1,strlen(options));
333             /*
334               Assign a value to the specified keyword.
335             */
336             switch (*keyword)
337             {
338               case 'a':
339               case 'A':
340               {
341                 if (LocaleCompare(keyword,"alpha-trait") == 0)
342                   {
343                     ssize_t
344                       alpha_trait;
345
346                     alpha_trait=ParseCommandOption(MagickPixelTraitOptions,
347                       MagickFalse,options);
348                     if (alpha_trait < 0)
349                       break;
350                     image->alpha_trait=(PixelTrait) alpha_trait;
351                     break;
352                   }
353                 (void) SetImageProperty(image,keyword,options,exception);
354                 break;
355               }
356               case 'b':
357               case 'B':
358               {
359                 if (LocaleCompare(keyword,"background-color") == 0)
360                   {
361                     (void) QueryColorCompliance(options,AllCompliance,
362                       &image->background_color,exception);
363                     break;
364                   }
365                 if (LocaleCompare(keyword,"blue-primary") == 0)
366                   {
367                     flags=ParseGeometry(options,&geometry_info);
368                     image->chromaticity.blue_primary.x=geometry_info.rho;
369                     image->chromaticity.blue_primary.y=geometry_info.sigma;
370                     if ((flags & SigmaValue) == 0)
371                       image->chromaticity.blue_primary.y=
372                         image->chromaticity.blue_primary.x;
373                     break;
374                   }
375                 if (LocaleCompare(keyword,"border-color") == 0)
376                   {
377                     (void) QueryColorCompliance(options,AllCompliance,
378                       &image->border_color,exception);
379                     break;
380                   }
381                 (void) SetImageProperty(image,keyword,options,exception);
382                 break;
383               }
384               case 'c':
385               case 'C':
386               {
387                 if (LocaleCompare(keyword,"class") == 0)
388                   {
389                     ssize_t
390                       storage_class;
391
392                     storage_class=ParseCommandOption(MagickClassOptions,
393                       MagickFalse,options);
394                     if (storage_class < 0)
395                       break;
396                     image->storage_class=(ClassType) storage_class;
397                     break;
398                   }
399                 if (LocaleCompare(keyword,"colors") == 0)
400                   {
401                     image->colors=StringToUnsignedLong(options);
402                     break;
403                   }
404                 if (LocaleCompare(keyword,"colorspace") == 0)
405                   {
406                     ssize_t
407                       colorspace;
408
409                     colorspace=ParseCommandOption(MagickColorspaceOptions,
410                       MagickFalse,options);
411                     if (colorspace < 0)
412                       break;
413                     image->colorspace=(ColorspaceType) colorspace;
414                     break;
415                   }
416                 if (LocaleCompare(keyword,"compression") == 0)
417                   {
418                     ssize_t
419                       compression;
420
421                     compression=ParseCommandOption(MagickCompressOptions,
422                       MagickFalse,options);
423                     if (compression < 0)
424                       break;
425                     image->compression=(CompressionType) compression;
426                     break;
427                   }
428                 if (LocaleCompare(keyword,"columns") == 0)
429                   {
430                     image->columns=StringToUnsignedLong(options);
431                     break;
432                   }
433                 (void) SetImageProperty(image,keyword,options,exception);
434                 break;
435               }
436               case 'd':
437               case 'D':
438               {
439                 if (LocaleCompare(keyword,"delay") == 0)
440                   {
441                     image->delay=StringToUnsignedLong(options);
442                     break;
443                   }
444                 if (LocaleCompare(keyword,"depth") == 0)
445                   {
446                     image->depth=StringToUnsignedLong(options);
447                     break;
448                   }
449                 if (LocaleCompare(keyword,"dispose") == 0)
450                   {
451                     ssize_t
452                       dispose;
453
454                     dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
455                       options);
456                     if (dispose < 0)
457                       break;
458                     image->dispose=(DisposeType) dispose;
459                     break;
460                   }
461                 (void) SetImageProperty(image,keyword,options,exception);
462                 break;
463               }
464               case 'e':
465               case 'E':
466               {
467                 if (LocaleCompare(keyword,"endian") == 0)
468                   {
469                     ssize_t
470                       endian;
471
472                     endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
473                       options);
474                     if (endian < 0)
475                       break;
476                     image->endian=(EndianType) endian;
477                     break;
478                   }
479                 if (LocaleCompare(keyword,"error") == 0)
480                   {
481                     image->error.mean_error_per_pixel=StringToDouble(options,
482                       (char **) NULL);
483                     break;
484                   }
485                 (void) SetImageProperty(image,keyword,options,exception);
486                 break;
487               }
488               case 'g':
489               case 'G':
490               {
491                 if (LocaleCompare(keyword,"gamma") == 0)
492                   {
493                     image->gamma=StringToDouble(options,(char **) NULL);
494                     break;
495                   }
496                 if (LocaleCompare(keyword,"green-primary") == 0)
497                   {
498                     flags=ParseGeometry(options,&geometry_info);
499                     image->chromaticity.green_primary.x=geometry_info.rho;
500                     image->chromaticity.green_primary.y=geometry_info.sigma;
501                     if ((flags & SigmaValue) == 0)
502                       image->chromaticity.green_primary.y=
503                         image->chromaticity.green_primary.x;
504                     break;
505                   }
506                 (void) SetImageProperty(image,keyword,options,exception);
507                 break;
508               }
509               case 'i':
510               case 'I':
511               {
512                 if (LocaleCompare(keyword,"id") == 0)
513                   {
514                     (void) CopyMagickString(id,options,MagickPathExtent);
515                     break;
516                   }
517                 if (LocaleCompare(keyword,"iterations") == 0)
518                   {
519                     image->iterations=StringToUnsignedLong(options);
520                     break;
521                   }
522                 (void) SetImageProperty(image,keyword,options,exception);
523                 break;
524               }
525               case 'm':
526               case 'M':
527               {
528                 if (LocaleCompare(keyword,"magick-signature") == 0)
529                   {
530                     signature=(unsigned int) StringToUnsignedLong(options);
531                     break;
532                   }
533                 if (LocaleCompare(keyword,"matte-color") == 0)
534                   {
535                     (void) QueryColorCompliance(options,AllCompliance,
536                       &image->matte_color,exception);
537                     break;
538                   }
539                 if (LocaleCompare(keyword,"maximum-error") == 0)
540                   {
541                     image->error.normalized_maximum_error=StringToDouble(
542                       options,(char **) NULL);
543                     break;
544                   }
545                 if (LocaleCompare(keyword,"mean-error") == 0)
546                   {
547                     image->error.normalized_mean_error=StringToDouble(options,
548                       (char **) NULL);
549                     break;
550                   }
551                 if (LocaleCompare(keyword,"montage") == 0)
552                   {
553                     (void) CloneString(&image->montage,options);
554                     break;
555                   }
556                 (void) SetImageProperty(image,keyword,options,exception);
557                 break;
558               }
559               case 'o':
560               case 'O':
561               {
562                 if (LocaleCompare(keyword,"orientation") == 0)
563                   {
564                     ssize_t
565                       orientation;
566
567                     orientation=ParseCommandOption(MagickOrientationOptions,
568                       MagickFalse,options);
569                     if (orientation < 0)
570                       break;
571                     image->orientation=(OrientationType) orientation;
572                     break;
573                   }
574                 (void) SetImageProperty(image,keyword,options,exception);
575                 break;
576               }
577               case 'p':
578               case 'P':
579               {
580                 if (LocaleCompare(keyword,"page") == 0)
581                   {
582                     char
583                       *geometry;
584
585                     geometry=GetPageGeometry(options);
586                     (void) ParseAbsoluteGeometry(geometry,&image->page);
587                     geometry=DestroyString(geometry);
588                     break;
589                   }
590                 if (LocaleCompare(keyword,"pixel-intensity") == 0)
591                   {
592                     ssize_t
593                       intensity;
594
595                     intensity=ParseCommandOption(MagickPixelIntensityOptions,
596                       MagickFalse,options);
597                     if (intensity < 0)
598                       break;
599                     image->intensity=(PixelIntensityMethod) intensity;
600                     break;
601                   }
602                 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
603                     (LocaleNCompare(keyword,"profile-",8) == 0))
604                   {
605                     if (profiles == (LinkedListInfo *) NULL)
606                       profiles=NewLinkedList(0);
607                     (void) AppendValueToLinkedList(profiles,
608                       AcquireString(keyword+8));
609                     profile=BlobToStringInfo((const void *) NULL,(size_t)
610                       StringToLong(options));
611                     if (profile == (StringInfo *) NULL)
612                       ThrowReaderException(ResourceLimitError,
613                         "MemoryAllocationFailed");
614                     (void) SetImageProfile(image,keyword+8,profile,exception);
615                     profile=DestroyStringInfo(profile);
616                     break;
617                   }
618                 (void) SetImageProperty(image,keyword,options,exception);
619                 break;
620               }
621               case 'q':
622               case 'Q':
623               {
624                 if (LocaleCompare(keyword,"quality") == 0)
625                   {
626                     image->quality=StringToUnsignedLong(options);
627                     break;
628                   }
629                 (void) SetImageProperty(image,keyword,options,exception);
630                 break;
631               }
632               case 'r':
633               case 'R':
634               {
635                 if (LocaleCompare(keyword,"red-primary") == 0)
636                   {
637                     flags=ParseGeometry(options,&geometry_info);
638                     image->chromaticity.red_primary.x=geometry_info.rho;
639                     if ((flags & SigmaValue) != 0)
640                       image->chromaticity.red_primary.y=geometry_info.sigma;
641                     break;
642                   }
643                 if (LocaleCompare(keyword,"rendering-intent") == 0)
644                   {
645                     ssize_t
646                       rendering_intent;
647
648                     rendering_intent=ParseCommandOption(MagickIntentOptions,
649                       MagickFalse,options);
650                     if (rendering_intent < 0)
651                       break;
652                     image->rendering_intent=(RenderingIntent) rendering_intent;
653                     break;
654                   }
655                 if (LocaleCompare(keyword,"resolution") == 0)
656                   {
657                     flags=ParseGeometry(options,&geometry_info);
658                     image->resolution.x=geometry_info.rho;
659                     image->resolution.y=geometry_info.sigma;
660                     if ((flags & SigmaValue) == 0)
661                       image->resolution.y=image->resolution.x;
662                     break;
663                   }
664                 if (LocaleCompare(keyword,"rows") == 0)
665                   {
666                     image->rows=StringToUnsignedLong(options);
667                     break;
668                   }
669                 (void) SetImageProperty(image,keyword,options,exception);
670                 break;
671               }
672               case 's':
673               case 'S':
674               {
675                 if (LocaleCompare(keyword,"scene") == 0)
676                   {
677                     image->scene=StringToUnsignedLong(options);
678                     break;
679                   }
680                 (void) SetImageProperty(image,keyword,options,exception);
681                 break;
682               }
683               case 't':
684               case 'T':
685               {
686                 if (LocaleCompare(keyword,"ticks-per-second") == 0)
687                   {
688                     image->ticks_per_second=(ssize_t) StringToLong(options);
689                     break;
690                   }
691                 if (LocaleCompare(keyword,"tile-offset") == 0)
692                   {
693                     char
694                       *geometry;
695
696                     geometry=GetPageGeometry(options);
697                     (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
698                     geometry=DestroyString(geometry);
699                   }
700                 if (LocaleCompare(keyword,"type") == 0)
701                   {
702                     ssize_t
703                       type;
704
705                     type=ParseCommandOption(MagickTypeOptions,MagickFalse,
706                       options);
707                     if (type < 0)
708                       break;
709                     image->type=(ImageType) type;
710                     break;
711                   }
712                 (void) SetImageProperty(image,keyword,options,exception);
713                 break;
714               }
715               case 'u':
716               case 'U':
717               {
718                 if (LocaleCompare(keyword,"units") == 0)
719                   {
720                     ssize_t
721                       units;
722
723                     units=ParseCommandOption(MagickResolutionOptions,
724                       MagickFalse,options);
725                     if (units < 0)
726                       break;
727                     image->units=(ResolutionType) units;
728                     break;
729                   }
730                 (void) SetImageProperty(image,keyword,options,exception);
731                 break;
732               }
733               case 'w':
734               case 'W':
735               {
736                 if (LocaleCompare(keyword,"white-point") == 0)
737                   {
738                     flags=ParseGeometry(options,&geometry_info);
739                     image->chromaticity.white_point.x=geometry_info.rho;
740                     image->chromaticity.white_point.y=geometry_info.sigma;
741                     if ((flags & SigmaValue) == 0)
742                       image->chromaticity.white_point.y=
743                         image->chromaticity.white_point.x;
744                     break;
745                   }
746                 (void) SetImageProperty(image,keyword,options,exception);
747                 break;
748               }
749               default:
750               {
751                 (void) SetImageProperty(image,keyword,options,exception);
752                 break;
753               }
754             }
755           }
756         else
757           c=ReadBlobByte(image);
758       while (isspace((int) ((unsigned char) c)) != 0)
759         c=ReadBlobByte(image);
760     }
761     options=DestroyString(options);
762     (void) ReadBlobByte(image);
763     /*
764       Verify that required image information is defined.
765     */
766     if ((LocaleCompare(id,"MagickCache") != 0) ||
767         (image->storage_class == UndefinedClass) ||
768         (image->compression == UndefinedCompression) || (image->columns == 0) ||
769         (image->rows == 0))
770       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
771     if (signature != GetMagickSignature((const StringInfo *) NULL))
772       ThrowReaderException(CacheError,"IncompatibleAPI");
773     if (image->montage != (char *) NULL)
774       {
775         register char
776           *p;
777
778         /*
779           Image directory.
780         */
781         length=MagickPathExtent;
782         image->directory=AcquireString((char *) NULL);
783         p=image->directory;
784         do
785         {
786           *p='\0';
787           if ((strlen(image->directory)+MagickPathExtent) >= length)
788             {
789               /*
790                 Allocate more memory for the image directory.
791               */
792               length<<=1;
793               image->directory=(char *) ResizeQuantumMemory(image->directory,
794                 length+MagickPathExtent,sizeof(*image->directory));
795               if (image->directory == (char *) NULL)
796                 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
797               p=image->directory+strlen(image->directory);
798             }
799           c=ReadBlobByte(image);
800           *p++=(char) c;
801         } while (c != (int) '\0');
802       }
803     if (profiles != (LinkedListInfo *) NULL)
804       {
805         const char
806           *name;
807
808         const StringInfo
809           *profile;
810
811         register unsigned char
812           *p;
813
814         /*
815           Read image profiles.
816         */
817         ResetLinkedListIterator(profiles);
818         name=(const char *) GetNextValueInLinkedList(profiles);
819         while (name != (const char *) NULL)
820         {
821           profile=GetImageProfile(image,name);
822           if (profile != (StringInfo *) NULL)
823             {
824               p=GetStringInfoDatum(profile);
825               count=ReadBlob(image,GetStringInfoLength(profile),p);
826             }
827           name=(const char *) GetNextValueInLinkedList(profiles);
828         }
829         profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
830       }
831     depth=GetImageQuantumDepth(image,MagickFalse);
832     if (image->storage_class == PseudoClass)
833       {
834         /*
835           Create image colormap.
836         */
837         if (AcquireImageColormap(image,image->colors,exception) == MagickFalse)
838           ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
839         if (image->colors != 0)
840           {
841             size_t
842               packet_size;
843
844             unsigned char
845               *colormap;
846
847             /*
848               Read image colormap from file.
849             */
850             packet_size=(size_t) (3UL*depth/8UL);
851             colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
852               packet_size*sizeof(*colormap));
853             if (colormap == (unsigned char *) NULL)
854               ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
855             count=ReadBlob(image,packet_size*image->colors,colormap);
856             if (count != (ssize_t) (packet_size*image->colors))
857               ThrowReaderException(CorruptImageError,
858                 "InsufficientImageDataInFile");
859             p=colormap;
860             switch (depth)
861             {
862               default:
863                 ThrowReaderException(CorruptImageError,
864                   "ImageDepthNotSupported");
865               case 8:
866               {
867                 unsigned char
868                   pixel;
869
870                 for (i=0; i < (ssize_t) image->colors; i++)
871                 {
872                   p=PushCharPixel(p,&pixel);
873                   image->colormap[i].red=ScaleCharToQuantum(pixel);
874                   p=PushCharPixel(p,&pixel);
875                   image->colormap[i].green=ScaleCharToQuantum(pixel);
876                   p=PushCharPixel(p,&pixel);
877                   image->colormap[i].blue=ScaleCharToQuantum(pixel);
878                 }
879                 break;
880               }
881               case 16:
882               {
883                 unsigned short
884                   pixel;
885
886                 for (i=0; i < (ssize_t) image->colors; i++)
887                 {
888                   p=PushShortPixel(MSBEndian,p,&pixel);
889                   image->colormap[i].red=ScaleShortToQuantum(pixel);
890                   p=PushShortPixel(MSBEndian,p,&pixel);
891                   image->colormap[i].green=ScaleShortToQuantum(pixel);
892                   p=PushShortPixel(MSBEndian,p,&pixel);
893                   image->colormap[i].blue=ScaleShortToQuantum(pixel);
894                 }
895                 break;
896               }
897               case 32:
898               {
899                 unsigned int
900                   pixel;
901
902                 for (i=0; i < (ssize_t) image->colors; i++)
903                 {
904                   p=PushLongPixel(MSBEndian,p,&pixel);
905                   image->colormap[i].red=ScaleLongToQuantum(pixel);
906                   p=PushLongPixel(MSBEndian,p,&pixel);
907                   image->colormap[i].green=ScaleLongToQuantum(pixel);
908                   p=PushLongPixel(MSBEndian,p,&pixel);
909                   image->colormap[i].blue=ScaleLongToQuantum(pixel);
910                 }
911                 break;
912               }
913             }
914             colormap=(unsigned char *) RelinquishMagickMemory(colormap);
915           }
916       }
917     if (EOFBlob(image) != MagickFalse)
918       {
919         ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
920           image->filename);
921         break;
922       }
923     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
924       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
925         break;
926     status=SetImageExtent(image,image->columns,image->rows,exception);
927     if (status == MagickFalse)
928       return(DestroyImageList(image));
929     /*
930       Attach persistent pixel cache.
931     */
932     status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
933     if (status == MagickFalse)
934       ThrowReaderException(CacheError,"UnableToPersistPixelCache");
935     /*
936       Proceed to next image.
937     */
938     do
939     {
940       c=ReadBlobByte(image);
941     } while ((isgraph(c) == MagickFalse) && (c != EOF));
942     if (c != EOF)
943       {
944         /*
945           Allocate next image structure.
946         */
947         AcquireNextImage(image_info,image,exception);
948         if (GetNextImageInList(image) == (Image *) NULL)
949           {
950             image=DestroyImageList(image);
951             return((Image *) NULL);
952           }
953         image=SyncNextImageInList(image);
954         status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
955           GetBlobSize(image));
956         if (status == MagickFalse)
957           break;
958       }
959   } while (c != EOF);
960   (void) CloseBlob(image);
961   return(GetFirstImageInList(image));
962 }
963 \f
964 /*
965 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
966 %                                                                             %
967 %                                                                             %
968 %                                                                             %
969 %   R e g i s t e r M P C I m a g e                                           %
970 %                                                                             %
971 %                                                                             %
972 %                                                                             %
973 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
974 %
975 %  RegisterMPCImage() adds properties for the Cache image format to
976 %  the list of supported formats.  The properties include the image format
977 %  tag, a method to read and/or write the format, whether the format
978 %  supports the saving of more than one frame to the same file or blob,
979 %  whether the format supports native in-memory I/O, and a brief
980 %  description of the format.
981 %
982 %  The format of the RegisterMPCImage method is:
983 %
984 %      size_t RegisterMPCImage(void)
985 %
986 */
987 ModuleExport size_t RegisterMPCImage(void)
988 {
989   MagickInfo
990     *entry;
991
992   entry=AcquireMagickInfo("MPC","CACHE",
993     "Magick Persistent Cache image format");
994   entry->module=ConstantString("CACHE");
995   entry->flags|=CoderStealthFlag;
996   (void) RegisterMagickInfo(entry);
997   entry=AcquireMagickInfo("MPC","MPC","Magick Persistent Cache image format");
998   entry->decoder=(DecodeImageHandler *) ReadMPCImage;
999   entry->encoder=(EncodeImageHandler *) WriteMPCImage;
1000   entry->magick=(IsImageFormatHandler *) IsMPC;
1001   (void) RegisterMagickInfo(entry);
1002   return(MagickImageCoderSignature);
1003 }
1004 \f
1005 /*
1006 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1007 %                                                                             %
1008 %                                                                             %
1009 %                                                                             %
1010 %   U n r e g i s t e r M P C I m a g e                                       %
1011 %                                                                             %
1012 %                                                                             %
1013 %                                                                             %
1014 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1015 %
1016 %  UnregisterMPCImage() removes format registrations made by the
1017 %  MPC module from the list of supported formats.
1018 %
1019 %  The format of the UnregisterMPCImage method is:
1020 %
1021 %      UnregisterMPCImage(void)
1022 %
1023 */
1024 ModuleExport void UnregisterMPCImage(void)
1025 {
1026   (void) UnregisterMagickInfo("CACHE");
1027   (void) UnregisterMagickInfo("MPC");
1028 }
1029 \f
1030 /*
1031 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1032 %                                                                             %
1033 %                                                                             %
1034 %                                                                             %
1035 %   W r i t e M P C I m a g e                                                 %
1036 %                                                                             %
1037 %                                                                             %
1038 %                                                                             %
1039 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1040 %
1041 %  WriteMPCImage() writes an Magick Persistent Cache image to a file.
1042 %
1043 %  The format of the WriteMPCImage method is:
1044 %
1045 %      MagickBooleanType WriteMPCImage(const ImageInfo *image_info,
1046 %        Image *image,ExceptionInfo *exception)
1047 %
1048 %  A description of each parameter follows:
1049 %
1050 %    o image_info: the image info.
1051 %
1052 %    o image: the image.
1053 %
1054 %    o exception: return any errors or warnings in this structure.
1055 %
1056 */
1057 static MagickBooleanType WriteMPCImage(const ImageInfo *image_info,Image *image,
1058   ExceptionInfo *exception)
1059 {
1060   char
1061     buffer[MagickPathExtent],
1062     cache_filename[MagickPathExtent];
1063
1064   const char
1065     *property,
1066     *value;
1067
1068   MagickBooleanType
1069     status;
1070
1071   MagickOffsetType
1072     offset,
1073     scene;
1074
1075   register ssize_t
1076     i;
1077
1078   size_t
1079     depth;
1080
1081   /*
1082     Open persistent cache.
1083   */
1084   assert(image_info != (const ImageInfo *) NULL);
1085   assert(image_info->signature == MagickCoreSignature);
1086   assert(image != (Image *) NULL);
1087   assert(image->signature == MagickCoreSignature);
1088   if (image->debug != MagickFalse)
1089     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1090   assert(exception != (ExceptionInfo *) NULL);
1091   assert(exception->signature == MagickCoreSignature);
1092   status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1093   if (status == MagickFalse)
1094     return(status);
1095   (void) CopyMagickString(cache_filename,image->filename,MagickPathExtent);
1096   AppendImageFormat("cache",cache_filename);
1097   scene=0;
1098   offset=0;
1099   do
1100   {
1101     /*
1102       Write persistent cache meta-information.
1103     */
1104     depth=GetImageQuantumDepth(image,MagickTrue);
1105     if ((image->storage_class == PseudoClass) &&
1106         (image->colors > (size_t) (GetQuantumRange(image->depth)+1)))
1107       (void) SetImageStorageClass(image,DirectClass,exception);
1108     (void) WriteBlobString(image,"id=MagickCache\n");
1109     (void) FormatLocaleString(buffer,MagickPathExtent,"magick-signature=%u\n",
1110       GetMagickSignature((const StringInfo *) NULL));
1111     (void) WriteBlobString(image,buffer);
1112     (void) FormatLocaleString(buffer,MagickPathExtent,
1113       "class=%s  colors=%.20g  alpha-trait=%s\n",CommandOptionToMnemonic(
1114       MagickClassOptions,image->storage_class),(double) image->colors,
1115       CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
1116       image->alpha_trait));
1117     (void) WriteBlobString(image,buffer);
1118     (void) FormatLocaleString(buffer,MagickPathExtent,
1119       "columns=%.20g  rows=%.20g depth=%.20g\n",(double) image->columns,
1120       (double) image->rows,(double) image->depth);
1121     (void) WriteBlobString(image,buffer);
1122     if (image->type != UndefinedType)
1123       {
1124         (void) FormatLocaleString(buffer,MagickPathExtent,"type=%s\n",
1125           CommandOptionToMnemonic(MagickTypeOptions,image->type));
1126         (void) WriteBlobString(image,buffer);
1127       }
1128     if (image->colorspace != UndefinedColorspace)
1129       {
1130         (void) FormatLocaleString(buffer,MagickPathExtent,"colorspace=%s\n",
1131           CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
1132         (void) WriteBlobString(image,buffer);
1133       }
1134     if (image->intensity != UndefinedPixelIntensityMethod)
1135       {
1136         (void) FormatLocaleString(buffer,MagickPathExtent,
1137           "pixel-intensity=%s\n",CommandOptionToMnemonic(
1138           MagickPixelIntensityOptions,image->intensity));
1139         (void) WriteBlobString(image,buffer);
1140       }
1141     if (image->endian != UndefinedEndian)
1142       {
1143         (void) FormatLocaleString(buffer,MagickPathExtent,"endian=%s\n",
1144           CommandOptionToMnemonic(MagickEndianOptions,image->endian));
1145         (void) WriteBlobString(image,buffer);
1146       }
1147     if (image->compression != UndefinedCompression)
1148       {
1149         (void) FormatLocaleString(buffer,MagickPathExtent,
1150           "compression=%s  quality=%.20g\n",CommandOptionToMnemonic(
1151           MagickCompressOptions,image->compression),(double) image->quality);
1152         (void) WriteBlobString(image,buffer);
1153       }
1154     if (image->units != UndefinedResolution)
1155       {
1156         (void) FormatLocaleString(buffer,MagickPathExtent,"units=%s\n",
1157           CommandOptionToMnemonic(MagickResolutionOptions,image->units));
1158         (void) WriteBlobString(image,buffer);
1159       }
1160     if ((image->resolution.x != 0) || (image->resolution.y != 0))
1161       {
1162         (void) FormatLocaleString(buffer,MagickPathExtent,
1163           "resolution=%gx%g\n",image->resolution.x,image->resolution.y);
1164         (void) WriteBlobString(image,buffer);
1165       }
1166     if ((image->page.width != 0) || (image->page.height != 0))
1167       {
1168         (void) FormatLocaleString(buffer,MagickPathExtent,
1169           "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1170           image->page.height,(double) image->page.x,(double) image->page.y);
1171         (void) WriteBlobString(image,buffer);
1172       }
1173     else
1174       if ((image->page.x != 0) || (image->page.y != 0))
1175         {
1176           (void) FormatLocaleString(buffer,MagickPathExtent,"page=%+ld%+ld\n",
1177             (long) image->page.x,(long) image->page.y);
1178           (void) WriteBlobString(image,buffer);
1179         }
1180     if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0))
1181       {
1182         (void) FormatLocaleString(buffer,MagickPathExtent,
1183           "tile-offset=%+ld%+ld\n",(long) image->tile_offset.x,(long)
1184            image->tile_offset.y);
1185         (void) WriteBlobString(image,buffer);
1186       }
1187     if ((GetNextImageInList(image) != (Image *) NULL) ||
1188         (GetPreviousImageInList(image) != (Image *) NULL))
1189       {
1190         if (image->scene == 0)
1191           (void) FormatLocaleString(buffer,MagickPathExtent,
1192             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",(double)
1193             image->iterations,(double) image->delay,(double)
1194             image->ticks_per_second);
1195         else
1196           (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g  "
1197             "iterations=%.20g  delay=%.20g  ticks-per-second=%.20g\n",
1198             (double) image->scene,(double) image->iterations,(double)
1199             image->delay,(double) image->ticks_per_second);
1200         (void) WriteBlobString(image,buffer);
1201       }
1202     else
1203       {
1204         if (image->scene != 0)
1205           {
1206             (void) FormatLocaleString(buffer,MagickPathExtent,"scene=%.20g\n",
1207               (double) image->scene);
1208             (void) WriteBlobString(image,buffer);
1209           }
1210         if (image->iterations != 0)
1211           {
1212             (void) FormatLocaleString(buffer,MagickPathExtent,
1213               "iterations=%.20g\n",(double) image->iterations);
1214             (void) WriteBlobString(image,buffer);
1215           }
1216         if (image->delay != 0)
1217           {
1218             (void) FormatLocaleString(buffer,MagickPathExtent,"delay=%.20g\n",
1219               (double) image->delay);
1220             (void) WriteBlobString(image,buffer);
1221           }
1222         if (image->ticks_per_second != UndefinedTicksPerSecond)
1223           {
1224             (void) FormatLocaleString(buffer,MagickPathExtent,
1225               "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
1226             (void) WriteBlobString(image,buffer);
1227           }
1228       }
1229     if (image->gravity != UndefinedGravity)
1230       {
1231         (void) FormatLocaleString(buffer,MagickPathExtent,"gravity=%s\n",
1232           CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
1233         (void) WriteBlobString(image,buffer);
1234       }
1235     if (image->dispose != UndefinedDispose)
1236       {
1237         (void) FormatLocaleString(buffer,MagickPathExtent,"dispose=%s\n",
1238           CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
1239         (void) WriteBlobString(image,buffer);
1240       }
1241     if (image->rendering_intent != UndefinedIntent)
1242       {
1243         (void) FormatLocaleString(buffer,MagickPathExtent,
1244           "rendering-intent=%s\n",CommandOptionToMnemonic(MagickIntentOptions,
1245           image->rendering_intent));
1246         (void) WriteBlobString(image,buffer);
1247       }
1248     if (image->gamma != 0.0)
1249       {
1250         (void) FormatLocaleString(buffer,MagickPathExtent,"gamma=%g\n",
1251           image->gamma);
1252         (void) WriteBlobString(image,buffer);
1253       }
1254     if (image->chromaticity.white_point.x != 0.0)
1255       {
1256         /*
1257           Note chomaticity points.
1258         */
1259         (void) FormatLocaleString(buffer,MagickPathExtent,"red-primary="
1260           "%g,%g  green-primary=%g,%g  blue-primary=%g,%g\n",
1261           image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
1262           image->chromaticity.green_primary.x,
1263           image->chromaticity.green_primary.y,
1264           image->chromaticity.blue_primary.x,
1265           image->chromaticity.blue_primary.y);
1266         (void) WriteBlobString(image,buffer);
1267         (void) FormatLocaleString(buffer,MagickPathExtent,
1268           "white-point=%g,%g\n",image->chromaticity.white_point.x,
1269           image->chromaticity.white_point.y);
1270         (void) WriteBlobString(image,buffer);
1271       }
1272     if (image->orientation != UndefinedOrientation)
1273       {
1274         (void) FormatLocaleString(buffer,MagickPathExtent,
1275           "orientation=%s\n",CommandOptionToMnemonic(MagickOrientationOptions,
1276           image->orientation));
1277         (void) WriteBlobString(image,buffer);
1278       }
1279     if (image->profiles != (void *) NULL)
1280       {
1281         const char
1282           *name;
1283
1284         const StringInfo
1285           *profile;
1286
1287         /*
1288           Generic profile.
1289         */
1290         ResetImageProfileIterator(image);
1291         for (name=GetNextImageProfile(image); name != (const char *) NULL; )
1292         {
1293           profile=GetImageProfile(image,name);
1294           if (profile != (StringInfo *) NULL)
1295             {
1296               (void) FormatLocaleString(buffer,MagickPathExtent,
1297                 "profile:%s=%.20g\n",name,(double)
1298                 GetStringInfoLength(profile));
1299               (void) WriteBlobString(image,buffer);
1300             }
1301           name=GetNextImageProfile(image);
1302         }
1303       }
1304     if (image->montage != (char *) NULL)
1305       {
1306         (void) FormatLocaleString(buffer,MagickPathExtent,"montage=%s\n",
1307           image->montage);
1308         (void) WriteBlobString(image,buffer);
1309       }
1310     ResetImagePropertyIterator(image);
1311     property=GetNextImageProperty(image);
1312     while (property != (const char *) NULL)
1313     {
1314       (void) FormatLocaleString(buffer,MagickPathExtent,"%s=",property);
1315       (void) WriteBlobString(image,buffer);
1316       value=GetImageProperty(image,property,exception);
1317       if (value != (const char *) NULL)
1318         {
1319           size_t
1320             length;
1321
1322           length=strlen(value);
1323           for (i=0; i < (ssize_t) length; i++)
1324             if (isspace((int) ((unsigned char) value[i])) != 0)
1325               break;
1326           if ((i == (ssize_t) length) && (i != 0))
1327             (void) WriteBlob(image,length,(const unsigned char *) value);
1328           else
1329             {
1330               (void) WriteBlobByte(image,'{');
1331               if (strchr(value,'}') == (char *) NULL)
1332                 (void) WriteBlob(image,length,(const unsigned char *) value);
1333               else
1334                 for (i=0; i < (ssize_t) length; i++)
1335                 {
1336                   if (value[i] == (int) '}')
1337                     (void) WriteBlobByte(image,'\\');
1338                   (void) WriteBlobByte(image,value[i]);
1339                 }
1340               (void) WriteBlobByte(image,'}');
1341             }
1342         }
1343       (void) WriteBlobByte(image,'\n');
1344       property=GetNextImageProperty(image);
1345     }
1346     (void) WriteBlobString(image,"\f\n:\032");
1347     if (image->montage != (char *) NULL)
1348       {
1349         /*
1350           Write montage tile directory.
1351         */
1352         if (image->directory != (char *) NULL)
1353           (void) WriteBlobString(image,image->directory);
1354         (void) WriteBlobByte(image,'\0');
1355       }
1356     if (image->profiles != 0)
1357       {
1358         const char
1359           *name;
1360
1361         const StringInfo
1362           *profile;
1363
1364         /*
1365           Write image profiles.
1366         */
1367         ResetImageProfileIterator(image);
1368         name=GetNextImageProfile(image);
1369         while (name != (const char *) NULL)
1370         {
1371           profile=GetImageProfile(image,name);
1372           (void) WriteBlob(image,GetStringInfoLength(profile),
1373             GetStringInfoDatum(profile));
1374           name=GetNextImageProfile(image);
1375         }
1376       }
1377     if (image->storage_class == PseudoClass)
1378       {
1379         size_t
1380           packet_size;
1381
1382         unsigned char
1383           *colormap,
1384           *q;
1385
1386         /*
1387           Allocate colormap.
1388         */
1389         packet_size=(size_t) (3UL*depth/8UL);
1390         colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1391           packet_size*sizeof(*colormap));
1392         if (colormap == (unsigned char *) NULL)
1393           return(MagickFalse);
1394         /*
1395           Write colormap to file.
1396         */
1397         q=colormap;
1398         for (i=0; i < (ssize_t) image->colors; i++)
1399         {
1400           switch (depth)
1401           {
1402             default:
1403               ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
1404             case 32:
1405             {
1406               unsigned int
1407                 pixel;
1408
1409               pixel=ScaleQuantumToLong(image->colormap[i].red);
1410               q=PopLongPixel(MSBEndian,pixel,q);
1411               pixel=ScaleQuantumToLong(image->colormap[i].green);
1412               q=PopLongPixel(MSBEndian,pixel,q);
1413               pixel=ScaleQuantumToLong(image->colormap[i].blue);
1414               q=PopLongPixel(MSBEndian,pixel,q);
1415               break;
1416             }
1417             case 16:
1418             {
1419               unsigned short
1420                 pixel;
1421
1422               pixel=ScaleQuantumToShort(image->colormap[i].red);
1423               q=PopShortPixel(MSBEndian,pixel,q);
1424               pixel=ScaleQuantumToShort(image->colormap[i].green);
1425               q=PopShortPixel(MSBEndian,pixel,q);
1426               pixel=ScaleQuantumToShort(image->colormap[i].blue);
1427               q=PopShortPixel(MSBEndian,pixel,q);
1428               break;
1429             }
1430             case 8:
1431             {
1432               unsigned char
1433                 pixel;
1434
1435               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
1436               q=PopCharPixel(pixel,q);
1437               pixel=(unsigned char) ScaleQuantumToChar(
1438                 image->colormap[i].green);
1439               q=PopCharPixel(pixel,q);
1440               pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
1441               q=PopCharPixel(pixel,q);
1442               break;
1443             }
1444           }
1445         }
1446         (void) WriteBlob(image,packet_size*image->colors,colormap);
1447         colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1448       }
1449     /*
1450       Initialize persistent pixel cache.
1451     */
1452     status=PersistPixelCache(image,cache_filename,MagickFalse,&offset,
1453       exception);
1454     if (status == MagickFalse)
1455       ThrowWriterException(CacheError,"UnableToPersistPixelCache");
1456     if (GetNextImageInList(image) == (Image *) NULL)
1457       break;
1458     image=SyncNextImageInList(image);
1459     if (image->progress_monitor != (MagickProgressMonitor) NULL)
1460       {
1461         status=image->progress_monitor(SaveImagesTag,scene,
1462           GetImageListLength(image),image->client_data);
1463         if (status == MagickFalse)
1464           break;
1465       }
1466     scene++;
1467   } while (image_info->adjoin != MagickFalse);
1468   (void) CloseBlob(image);
1469   return(status);
1470 }