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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %                                                                             %
4 %                                                                             %
5 %                                                                             %
6 %     CCCC   OOO   N   N  SSSSS  TTTTT  IIIII  TTTTT  U   U  TTTTT  EEEEE     %
7 %    C      O   O  NN  N  SS       T      I      T    U   U    T    E         %
8 %    C      O   O  N N N  ESSS     T      I      T    U   U    T    EEE       %
9 %    C      O   O  N  NN     SS    T      I      T    U   U    T    E         %
10 %     CCCC   OOO   N   N  SSSSS    T    IIIII    T     UUU     T    EEEEE     %
11 %                                                                             %
12 %                                                                             %
13 %                  MagickCore Methods to Consitute an Image                   %
14 %                                                                             %
15 %                             Software Design                                 %
16 %                                  Cristy                                     %
17 %                               October 1998                                  %
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 \f
39 /*
40   Include declarations.
41 */
42 #include "MagickCore/studio.h"
43 #include "MagickCore/attribute.h"
44 #include "MagickCore/blob.h"
45 #include "MagickCore/blob-private.h"
46 #include "MagickCore/exception.h"
47 #include "MagickCore/exception-private.h"
48 #include "MagickCore/cache.h"
49 #include "MagickCore/client.h"
50 #include "MagickCore/colorspace-private.h"
51 #include "MagickCore/constitute.h"
52 #include "MagickCore/constitute-private.h"
53 #include "MagickCore/delegate.h"
54 #include "MagickCore/geometry.h"
55 #include "MagickCore/identify.h"
56 #include "MagickCore/image-private.h"
57 #include "MagickCore/list.h"
58 #include "MagickCore/magick.h"
59 #include "MagickCore/memory_.h"
60 #include "MagickCore/monitor.h"
61 #include "MagickCore/monitor-private.h"
62 #include "MagickCore/option.h"
63 #include "MagickCore/pixel.h"
64 #include "MagickCore/pixel-accessor.h"
65 #include "MagickCore/policy.h"
66 #include "MagickCore/profile.h"
67 #include "MagickCore/profile-private.h"
68 #include "MagickCore/property.h"
69 #include "MagickCore/quantum.h"
70 #include "MagickCore/resize.h"
71 #include "MagickCore/resource_.h"
72 #include "MagickCore/semaphore.h"
73 #include "MagickCore/statistic.h"
74 #include "MagickCore/stream.h"
75 #include "MagickCore/string_.h"
76 #include "MagickCore/string-private.h"
77 #include "MagickCore/timer.h"
78 #include "MagickCore/token.h"
79 #include "MagickCore/transform.h"
80 #include "MagickCore/utility.h"
81 #include "MagickCore/utility-private.h"
82 \f
83 /*
84 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
85 %                                                                             %
86 %                                                                             %
87 %                                                                             %
88 %   C o n s t i t u t e I m a g e                                             %
89 %                                                                             %
90 %                                                                             %
91 %                                                                             %
92 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
93 %
94 %  ConstituteImage() returns an image from the pixel data you supply.
95 %  The pixel data must be in scanline order top-to-bottom.  The data can be
96 %  char, short int, int, float, or double.  Float and double require the
97 %  pixels to be normalized [0..1], otherwise [0..QuantumRange].  For example, to
98 %  create a 640x480 image from unsigned red-green-blue character data, use:
99 %
100 %      image = ConstituteImage(640,480,"RGB",CharPixel,pixels,&exception);
101 %
102 %  The format of the ConstituteImage method is:
103 %
104 %      Image *ConstituteImage(const size_t columns,const size_t rows,
105 %        const char *map,const StorageType storage,const void *pixels,
106 %        ExceptionInfo *exception)
107 %
108 %  A description of each parameter follows:
109 %
110 %    o columns: width in pixels of the image.
111 %
112 %    o rows: height in pixels of the image.
113 %
114 %    o map:  This string reflects the expected ordering of the pixel array.
115 %      It can be any combination or order of R = red, G = green, B = blue,
116 %      A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan,
117 %      Y = yellow, M = magenta, K = black, I = intensity (for grayscale),
118 %      P = pad.
119 %
120 %    o storage: Define the data type of the pixels.  Float and double types are
121 %      expected to be normalized [0..1] otherwise [0..QuantumRange].  Choose
122 %      from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel,
123 %      LongPixel, QuantumPixel, or ShortPixel.
124 %
125 %    o pixels: This array of values contain the pixel components as defined by
126 %      map and type.  You must preallocate this array where the expected
127 %      length varies depending on the values of width, height, map, and type.
128 %
129 %    o exception: return any errors or warnings in this structure.
130 %
131 */
132 MagickExport Image *ConstituteImage(const size_t columns,const size_t rows,
133   const char *map,const StorageType storage,const void *pixels,
134   ExceptionInfo *exception)
135 {
136   Image
137     *image;
138
139   MagickBooleanType
140     status;
141
142   /*
143     Allocate image structure.
144   */
145   assert(map != (const char *) NULL);
146   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",map);
147   assert(pixels != (void *) NULL);
148   assert(exception != (ExceptionInfo *) NULL);
149   assert(exception->signature == MagickCoreSignature);
150   image=AcquireImage((ImageInfo *) NULL,exception);
151   if (image == (Image *) NULL)
152     return((Image *) NULL);
153   if ((columns == 0) || (rows == 0))
154     ThrowImageException(OptionError,"NonZeroWidthAndHeightRequired");
155   image->columns=columns;
156   image->rows=rows;
157   (void) SetImageBackgroundColor(image,exception);
158   status=ImportImagePixels(image,0,0,columns,rows,map,storage,pixels,exception);
159   if (status == MagickFalse)
160      image=DestroyImage(image);
161   return(image);
162 }
163 \f
164 /*
165 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
166 %                                                                             %
167 %                                                                             %
168 %                                                                             %
169 %   P i n g I m a g e                                                         %
170 %                                                                             %
171 %                                                                             %
172 %                                                                             %
173 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
174 %
175 %  PingImage() returns all the properties of an image or image sequence
176 %  except for the pixels.  It is much faster and consumes far less memory
177 %  than ReadImage().  On failure, a NULL image is returned and exception
178 %  describes the reason for the failure.
179 %
180 %  The format of the PingImage method is:
181 %
182 %      Image *PingImage(const ImageInfo *image_info,ExceptionInfo *exception)
183 %
184 %  A description of each parameter follows:
185 %
186 %    o image_info: Ping the image defined by the file or filename members of
187 %      this structure.
188 %
189 %    o exception: return any errors or warnings in this structure.
190 %
191 */
192
193 #if defined(__cplusplus) || defined(c_plusplus)
194 extern "C" {
195 #endif
196
197 static size_t PingStream(const Image *magick_unused(image),
198   const void *magick_unused(pixels),const size_t columns)
199 {
200   magick_unreferenced(image);
201   magick_unreferenced(pixels);
202   return(columns);
203 }
204
205 #if defined(__cplusplus) || defined(c_plusplus)
206 }
207 #endif
208
209 MagickExport Image *PingImage(const ImageInfo *image_info,
210   ExceptionInfo *exception)
211 {
212   Image
213     *image;
214
215   ImageInfo
216     *ping_info;
217
218   assert(image_info != (ImageInfo *) NULL);
219   assert(image_info->signature == MagickCoreSignature);
220   if (image_info->debug != MagickFalse)
221     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
222       image_info->filename);
223   assert(exception != (ExceptionInfo *) NULL);
224   ping_info=CloneImageInfo(image_info);
225   ping_info->ping=MagickTrue;
226   image=ReadStream(ping_info,&PingStream,exception);
227   if (image != (Image *) NULL)
228     {
229       ResetTimer(&image->timer);
230       if (ping_info->verbose != MagickFalse)
231         (void) IdentifyImage(image,stdout,MagickFalse,exception);
232     }
233   ping_info=DestroyImageInfo(ping_info);
234   return(image);
235 }
236 \f
237 /*
238 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
239 %                                                                             %
240 %                                                                             %
241 %                                                                             %
242 %   P i n g I m a g e s                                                       %
243 %                                                                             %
244 %                                                                             %
245 %                                                                             %
246 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
247 %
248 %  PingImages() pings one or more images and returns them as an image list.
249 %
250 %  The format of the PingImage method is:
251 %
252 %      Image *PingImages(ImageInfo *image_info,const char *filename,
253 %        ExceptionInfo *exception)
254 %
255 %  A description of each parameter follows:
256 %
257 %    o image_info: the image info.
258 %
259 %    o filename: the image filename.
260 %
261 %    o exception: return any errors or warnings in this structure.
262 %
263 */
264 MagickExport Image *PingImages(ImageInfo *image_info,const char *filename,
265   ExceptionInfo *exception)
266 {
267   char
268     ping_filename[MagickPathExtent];
269
270   Image
271     *image,
272     *images;
273
274   ImageInfo
275     *read_info;
276
277   /*
278     Ping image list from a file.
279   */
280   assert(image_info != (ImageInfo *) NULL);
281   assert(image_info->signature == MagickCoreSignature);
282   if (image_info->debug != MagickFalse)
283     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
284       image_info->filename);
285   assert(exception != (ExceptionInfo *) NULL);
286   (void) SetImageOption(image_info,"filename",filename);
287   (void) CopyMagickString(image_info->filename,filename,MagickPathExtent);
288   (void) InterpretImageFilename(image_info,(Image *) NULL,image_info->filename,
289     (int) image_info->scene,ping_filename,exception);
290   if (LocaleCompare(ping_filename,image_info->filename) != 0)
291     {
292       ExceptionInfo
293         *sans;
294
295       ssize_t
296         extent,
297         scene;
298
299       /*
300         Images of the form image-%d.png[1-5].
301       */
302       read_info=CloneImageInfo(image_info);
303       sans=AcquireExceptionInfo();
304       (void) SetImageInfo(read_info,0,sans);
305       sans=DestroyExceptionInfo(sans);
306       if (read_info->number_scenes == 0)
307         {
308           read_info=DestroyImageInfo(read_info);
309           return(PingImage(image_info,exception));
310         }
311       (void) CopyMagickString(ping_filename,read_info->filename,
312         MagickPathExtent);
313       images=NewImageList();
314       extent=(ssize_t) (read_info->scene+read_info->number_scenes);
315       for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
316       {
317         (void) InterpretImageFilename(image_info,(Image *) NULL,ping_filename,
318           (int) scene,read_info->filename,exception);
319         image=PingImage(read_info,exception);
320         if (image == (Image *) NULL)
321           continue;
322         AppendImageToList(&images,image);
323       }
324       read_info=DestroyImageInfo(read_info);
325       return(images);
326     }
327   return(PingImage(image_info,exception));
328 }
329 \f
330 /*
331 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
332 %                                                                             %
333 %                                                                             %
334 %                                                                             %
335 %   R e a d I m a g e                                                         %
336 %                                                                             %
337 %                                                                             %
338 %                                                                             %
339 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
340 %
341 %  ReadImage() reads an image or image sequence from a file or file handle.
342 %  The method returns a NULL if there is a memory shortage or if the image
343 %  cannot be read.  On failure, a NULL image is returned and exception
344 %  describes the reason for the failure.
345 %
346 %  The format of the ReadImage method is:
347 %
348 %      Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
349 %
350 %  A description of each parameter follows:
351 %
352 %    o image_info: Read the image defined by the file or filename members of
353 %      this structure.
354 %
355 %    o exception: return any errors or warnings in this structure.
356 %
357 */
358 MagickExport Image *ReadImage(const ImageInfo *image_info,
359   ExceptionInfo *exception)
360 {
361   char
362     filename[MagickPathExtent],
363     magick[MagickPathExtent],
364     magick_filename[MagickPathExtent];
365
366   const char
367     *value;
368
369   const DelegateInfo
370     *delegate_info;
371
372   const MagickInfo
373     *magick_info;
374
375   ExceptionInfo
376     *sans_exception;
377
378   GeometryInfo
379     geometry_info;
380
381   Image
382     *image,
383     *next;
384
385   ImageInfo
386     *read_info;
387
388   MagickStatusType
389     flags;
390
391   /*
392     Determine image type from filename prefix or suffix (e.g. image.jpg).
393   */
394   assert(image_info != (ImageInfo *) NULL);
395   assert(image_info->signature == MagickCoreSignature);
396   assert(image_info->filename != (char *) NULL);
397   if (image_info->debug != MagickFalse)
398     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
399       image_info->filename);
400   assert(exception != (ExceptionInfo *) NULL);
401   read_info=CloneImageInfo(image_info);
402   (void) CopyMagickString(magick_filename,read_info->filename,MagickPathExtent);
403   (void) SetImageInfo(read_info,0,exception);
404   (void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
405   (void) CopyMagickString(magick,read_info->magick,MagickPathExtent);
406   /*
407     Call appropriate image reader based on image type.
408   */
409   sans_exception=AcquireExceptionInfo();
410   magick_info=GetMagickInfo(read_info->magick,sans_exception);
411   sans_exception=DestroyExceptionInfo(sans_exception);
412   if (magick_info != (const MagickInfo *) NULL)
413     {
414       PolicyDomain
415         domain;
416
417       PolicyRights
418         rights;
419
420       domain=CoderPolicyDomain;
421       rights=ReadPolicyRights;
422       if (IsRightsAuthorized(domain,rights,magick_info->module) == MagickFalse)
423         {
424           errno=EPERM;
425           (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
426             "NotAuthorized","`%s'",read_info->filename);
427           read_info=DestroyImageInfo(read_info);
428           return((Image *) NULL);
429         }
430       if (GetMagickEndianSupport(magick_info) == MagickFalse)
431         read_info->endian=UndefinedEndian;
432       else
433         if ((image_info->endian == UndefinedEndian) &&
434             (GetMagickRawSupport(magick_info) != MagickFalse))
435           {
436             unsigned long
437               lsb_first;
438
439             lsb_first=1;
440             read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
441               MSBEndian;
442          }
443     }
444   if ((magick_info != (const MagickInfo *) NULL) &&
445       (GetMagickDecoderSeekableStream(magick_info) != MagickFalse))
446     {
447       MagickBooleanType
448         status;
449
450       image=AcquireImage(read_info,exception);
451       (void) CopyMagickString(image->filename,read_info->filename,
452         MagickPathExtent);
453       status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
454       if (status == MagickFalse)
455         {
456           read_info=DestroyImageInfo(read_info);
457           image=DestroyImage(image);
458           return((Image *) NULL);
459         }
460       if (IsBlobSeekable(image) == MagickFalse)
461         {
462           /*
463             Coder requires a seekable stream.
464           */
465           *read_info->filename='\0';
466           status=ImageToFile(image,read_info->filename,exception);
467           if (status == MagickFalse)
468             {
469               (void) CloseBlob(image);
470               read_info=DestroyImageInfo(read_info);
471               image=DestroyImage(image);
472               return((Image *) NULL);
473             }
474           read_info->temporary=MagickTrue;
475         }
476       (void) CloseBlob(image);
477       image=DestroyImage(image);
478     }
479   image=NewImageList();
480   if ((magick_info == (const MagickInfo *) NULL) ||
481       (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
482     {
483       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
484       if (delegate_info == (const DelegateInfo *) NULL)
485         {
486           (void) SetImageInfo(read_info,0,exception);
487           (void) CopyMagickString(read_info->filename,filename,
488             MagickPathExtent);
489           magick_info=GetMagickInfo(read_info->magick,exception);
490         }
491     }
492   if ((magick_info != (const MagickInfo *) NULL) &&
493       (GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
494     {
495       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
496         LockSemaphoreInfo(magick_info->semaphore);
497       image=GetImageDecoder(magick_info)(read_info,exception);
498       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
499         UnlockSemaphoreInfo(magick_info->semaphore);
500     }
501   else
502     {
503       MagickBooleanType
504         status;
505
506       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
507       if (delegate_info == (const DelegateInfo *) NULL)
508         {
509           (void) ThrowMagickException(exception,GetMagickModule(),
510             MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
511             read_info->magick);
512           if (read_info->temporary != MagickFalse)
513             (void) RelinquishUniqueFileResource(read_info->filename);
514           read_info=DestroyImageInfo(read_info);
515           return((Image *) NULL);
516         }
517       /*
518         Let our decoding delegate process the image.
519       */
520       image=AcquireImage(read_info,exception);
521       if (image == (Image *) NULL)
522         {
523           read_info=DestroyImageInfo(read_info);
524           return((Image *) NULL);
525         }
526       (void) CopyMagickString(image->filename,read_info->filename,
527         MagickPathExtent);
528       *read_info->filename='\0';
529       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
530         LockSemaphoreInfo(delegate_info->semaphore);
531       status=InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
532         exception);
533       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
534         UnlockSemaphoreInfo(delegate_info->semaphore);
535       image=DestroyImageList(image);
536       read_info->temporary=MagickTrue;
537       if (status != MagickFalse)
538         (void) SetImageInfo(read_info,0,exception);
539       magick_info=GetMagickInfo(read_info->magick,exception);
540       if ((magick_info == (const MagickInfo *) NULL) ||
541           (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
542         {
543           if (IsPathAccessible(read_info->filename) != MagickFalse)
544             (void) ThrowMagickException(exception,GetMagickModule(),
545               MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
546               read_info->magick);
547           else
548             ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
549               read_info->filename);
550           read_info=DestroyImageInfo(read_info);
551           return((Image *) NULL);
552         }
553       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
554         LockSemaphoreInfo(magick_info->semaphore);
555       image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
556       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
557         UnlockSemaphoreInfo(magick_info->semaphore);
558     }
559   if (read_info->temporary != MagickFalse)
560     {
561       (void) RelinquishUniqueFileResource(read_info->filename);
562       read_info->temporary=MagickFalse;
563       if (image != (Image *) NULL)
564         (void) CopyMagickString(image->filename,filename,MagickPathExtent);
565     }
566   if (image == (Image *) NULL)
567     {
568       read_info=DestroyImageInfo(read_info);
569       return(image);
570     }
571   if (exception->severity >= ErrorException)
572     (void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
573       "Coder (%s) generated an image despite an error (%d), "
574       "notify the developers",image->magick,exception->severity);
575   if (IsBlobTemporary(image) != MagickFalse)
576     (void) RelinquishUniqueFileResource(read_info->filename);
577   if ((GetNextImageInList(image) != (Image *) NULL) &&
578       (IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
579     {
580       Image
581         *clones;
582
583       clones=CloneImages(image,read_info->scenes,exception);
584       if (clones == (Image *) NULL)
585         (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
586           "SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
587       else
588         {
589           image=DestroyImageList(image);
590           image=GetFirstImageInList(clones);
591         }
592     }
593   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
594   {
595     char
596       magick_path[MagickPathExtent],
597       *property,
598       timestamp[MagickPathExtent];
599
600     const char
601       *option;
602
603     const StringInfo
604       *profile;
605
606     ssize_t
607       option_type;
608
609     next->taint=MagickFalse;
610     GetPathComponent(magick_filename,MagickPath,magick_path);
611     if (*magick_path == '\0' && *next->magick == '\0')
612       (void) CopyMagickString(next->magick,magick,MagickPathExtent);
613     (void) CopyMagickString(next->magick_filename,magick_filename,
614       MagickPathExtent);
615     if (IsBlobTemporary(image) != MagickFalse)
616       (void) CopyMagickString(next->filename,filename,MagickPathExtent);
617     if (next->magick_columns == 0)
618       next->magick_columns=next->columns;
619     if (next->magick_rows == 0)
620       next->magick_rows=next->rows;
621     value=GetImageProperty(next,"tiff:Orientation",exception);
622     if (value == (char *) NULL)
623       value=GetImageProperty(next,"exif:Orientation",exception);
624     if (value != (char *) NULL)
625       {
626         next->orientation=(OrientationType) StringToLong(value);
627         (void) DeleteImageProperty(next,"tiff:Orientation");
628         (void) DeleteImageProperty(next,"exif:Orientation");
629       }
630     value=GetImageProperty(next,"exif:XResolution",exception);
631     if (value != (char *) NULL)
632       {
633         geometry_info.rho=next->resolution.x;
634         geometry_info.sigma=1.0;
635         flags=ParseGeometry(value,&geometry_info);
636         if (geometry_info.sigma != 0)
637           next->resolution.x=geometry_info.rho/geometry_info.sigma;
638         if (strchr(value,',') != (char *) NULL)
639           next->resolution.x=geometry_info.rho+geometry_info.sigma/1000.0;
640         (void) DeleteImageProperty(next,"exif:XResolution");
641       }
642     value=GetImageProperty(next,"exif:YResolution",exception);
643     if (value != (char *) NULL)
644       {
645         geometry_info.rho=next->resolution.y;
646         geometry_info.sigma=1.0;
647         flags=ParseGeometry(value,&geometry_info);
648         if (geometry_info.sigma != 0)
649           next->resolution.y=geometry_info.rho/geometry_info.sigma;
650         if (strchr(value,',') != (char *) NULL)
651           next->resolution.y=geometry_info.rho+geometry_info.sigma/1000.0;
652         (void) DeleteImageProperty(next,"exif:YResolution");
653       }
654     value=GetImageProperty(next,"tiff:ResolutionUnit",exception);
655     if (value == (char *) NULL)
656       value=GetImageProperty(next,"exif:ResolutionUnit",exception);
657     if (value != (char *) NULL)
658       {
659         option_type=ParseCommandOption(MagickResolutionOptions,MagickFalse,
660           value);
661         if (option_type >= 0)
662           next->units=(ResolutionType) option_type;
663         (void) DeleteImageProperty(next,"exif:ResolutionUnit");
664         (void) DeleteImageProperty(next,"tiff:ResolutionUnit");
665       }
666     if (next->page.width == 0)
667       next->page.width=next->columns;
668     if (next->page.height == 0)
669       next->page.height=next->rows;
670     option=GetImageOption(read_info,"caption");
671     if (option != (const char *) NULL)
672       {
673         property=InterpretImageProperties(read_info,next,option,exception);
674         (void) SetImageProperty(next,"caption",property,exception);
675         property=DestroyString(property);
676       }
677     option=GetImageOption(read_info,"comment");
678     if (option != (const char *) NULL)
679       {
680         property=InterpretImageProperties(read_info,next,option,exception);
681         (void) SetImageProperty(next,"comment",property,exception);
682         property=DestroyString(property);
683       }
684     option=GetImageOption(read_info,"label");
685     if (option != (const char *) NULL)
686       {
687         property=InterpretImageProperties(read_info,next,option,exception);
688         (void) SetImageProperty(next,"label",property,exception);
689         property=DestroyString(property);
690       }
691     if (LocaleCompare(next->magick,"TEXT") == 0)
692       (void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
693     if ((read_info->extract != (char *) NULL) &&
694         (read_info->stream == (StreamHandler) NULL))
695       {
696         RectangleInfo
697           geometry;
698
699         flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
700         if ((next->columns != geometry.width) ||
701             (next->rows != geometry.height))
702           {
703             if (((flags & XValue) != 0) || ((flags & YValue) != 0))
704               {
705                 Image
706                   *crop_image;
707
708                 crop_image=CropImage(next,&geometry,exception);
709                 if (crop_image != (Image *) NULL)
710                   ReplaceImageInList(&next,crop_image);
711               }
712             else
713               if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
714                 {
715                   Image
716                     *size_image;
717
718                   flags=ParseRegionGeometry(next,read_info->extract,&geometry,
719                     exception);
720                   size_image=ResizeImage(next,geometry.width,geometry.height,
721                     next->filter,exception);
722                   if (size_image != (Image *) NULL)
723                     ReplaceImageInList(&next,size_image);
724                 }
725           }
726       }
727     profile=GetImageProfile(next,"icc");
728     if (profile == (const StringInfo *) NULL)
729       profile=GetImageProfile(next,"icm");
730     profile=GetImageProfile(next,"iptc");
731     if (profile == (const StringInfo *) NULL)
732       profile=GetImageProfile(next,"8bim");
733     (void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MagickPathExtent,
734       timestamp);
735     (void) SetImageProperty(next,"date:modify",timestamp,exception);
736     (void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MagickPathExtent,
737       timestamp);
738     (void) SetImageProperty(next,"date:create",timestamp,exception);
739     option=GetImageOption(image_info,"delay");
740     if (option != (const char *) NULL)
741       {
742         flags=ParseGeometry(option,&geometry_info);
743         if ((flags & GreaterValue) != 0)
744           {
745             if (next->delay > (size_t) floor(geometry_info.rho+0.5))
746               next->delay=(size_t) floor(geometry_info.rho+0.5);
747           }
748         else
749           if ((flags & LessValue) != 0)
750             {
751               if (next->delay < (size_t) floor(geometry_info.rho+0.5))
752                 next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
753             }
754           else
755             next->delay=(size_t) floor(geometry_info.rho+0.5);
756         if ((flags & SigmaValue) != 0)
757           next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
758       }
759     option=GetImageOption(image_info,"dispose");
760     if (option != (const char *) NULL)
761       {
762         option_type=ParseCommandOption(MagickDisposeOptions,MagickFalse,
763           option);
764         if (option_type >= 0)
765           next->dispose=(DisposeType) option_type;
766       }
767     if (read_info->verbose != MagickFalse)
768       (void) IdentifyImage(next,stderr,MagickFalse,exception);
769     image=next;
770   }
771   read_info=DestroyImageInfo(read_info);
772   return(GetFirstImageInList(image));
773 }
774 \f
775 /*
776 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
777 %                                                                             %
778 %                                                                             %
779 %                                                                             %
780 %   R e a d I m a g e s                                                       %
781 %                                                                             %
782 %                                                                             %
783 %                                                                             %
784 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
785 %
786 %  ReadImages() reads one or more images and returns them as an image list.
787 %
788 %  The format of the ReadImage method is:
789 %
790 %      Image *ReadImages(ImageInfo *image_info,const char *filename,
791 %        ExceptionInfo *exception)
792 %
793 %  A description of each parameter follows:
794 %
795 %    o image_info: the image info.
796 %
797 %    o filename: the image filename.
798 %
799 %    o exception: return any errors or warnings in this structure.
800 %
801 */
802 MagickExport Image *ReadImages(ImageInfo *image_info,const char *filename,
803   ExceptionInfo *exception)
804 {
805   char
806     read_filename[MagickPathExtent];
807
808   Image
809     *image,
810     *images;
811
812   ImageInfo
813     *read_info;
814
815   /*
816     Read image list from a file.
817   */
818   assert(image_info != (ImageInfo *) NULL);
819   assert(image_info->signature == MagickCoreSignature);
820   if (image_info->debug != MagickFalse)
821     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
822       image_info->filename);
823   assert(exception != (ExceptionInfo *) NULL);
824   read_info=CloneImageInfo(image_info);
825   *read_info->magick='\0';
826   (void) SetImageOption(read_info,"filename",filename);
827   (void) CopyMagickString(read_info->filename,filename,MagickPathExtent);
828   (void) InterpretImageFilename(read_info,(Image *) NULL,filename,
829     (int) read_info->scene,read_filename,exception);
830   if (LocaleCompare(read_filename,read_info->filename) != 0)
831     {
832       ExceptionInfo
833         *sans;
834
835       ssize_t
836         extent,
837         scene;
838
839       /*
840         Images of the form image-%d.png[1-5].
841       */
842       sans=AcquireExceptionInfo();
843       (void) SetImageInfo(read_info,0,sans);
844       sans=DestroyExceptionInfo(sans);
845       if (read_info->number_scenes != 0)
846         {
847           (void) CopyMagickString(read_filename,read_info->filename,
848             MagickPathExtent);
849           images=NewImageList();
850           extent=(ssize_t) (read_info->scene+read_info->number_scenes);
851           scene=(ssize_t) read_info->scene;
852           for ( ; scene < (ssize_t) extent; scene++)
853           {
854             (void) InterpretImageFilename(image_info,(Image *) NULL,
855               read_filename,(int) scene,read_info->filename,exception);
856             image=ReadImage(read_info,exception);
857             if (image == (Image *) NULL)
858               continue;
859             AppendImageToList(&images,image);
860           }
861           read_info=DestroyImageInfo(read_info);
862           return(images);
863         }
864     }
865   (void) CopyMagickString(read_info->filename,filename,MagickPathExtent);
866   image=ReadImage(read_info,exception);
867   read_info=DestroyImageInfo(read_info);
868   return(image);
869 }
870 \f
871 /*
872 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
873 %                                                                             %
874 %                                                                             %
875 %                                                                             %
876 +   R e a d I n l i n e I m a g e                                             %
877 %                                                                             %
878 %                                                                             %
879 %                                                                             %
880 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
881 %
882 %  ReadInlineImage() reads a Base64-encoded inline image or image sequence.
883 %  The method returns a NULL if there is a memory shortage or if the image
884 %  cannot be read.  On failure, a NULL image is returned and exception
885 %  describes the reason for the failure.
886 %
887 %  The format of the ReadInlineImage method is:
888 %
889 %      Image *ReadInlineImage(const ImageInfo *image_info,const char *content,
890 %        ExceptionInfo *exception)
891 %
892 %  A description of each parameter follows:
893 %
894 %    o image_info: the image info.
895 %
896 %    o content: the image encoded in Base64.
897 %
898 %    o exception: return any errors or warnings in this structure.
899 %
900 */
901 MagickExport Image *ReadInlineImage(const ImageInfo *image_info,
902   const char *content,ExceptionInfo *exception)
903 {
904   Image
905     *image;
906
907   ImageInfo
908     *read_info;
909
910   unsigned char
911     *blob;
912
913   size_t
914     length;
915
916   register const char
917     *p;
918
919   /*
920     Skip over header (e.g. data:image/gif;base64,).
921   */
922   image=NewImageList();
923   for (p=content; (*p != ',') && (*p != '\0'); p++) ;
924   if (*p == '\0')
925     ThrowReaderException(CorruptImageError,"CorruptImage");
926   p++;
927   length=0;
928   blob=Base64Decode(p,&length);
929   if (length == 0)
930     ThrowReaderException(CorruptImageError,"CorruptImage");
931   read_info=CloneImageInfo(image_info);
932   (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
933     (void *) NULL);
934   *read_info->filename='\0';
935   *read_info->magick='\0';
936   image=BlobToImage(read_info,blob,length,exception);
937   blob=(unsigned char *) RelinquishMagickMemory(blob);
938   read_info=DestroyImageInfo(read_info);
939   return(image);
940 }
941 \f
942 /*
943 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
944 %                                                                             %
945 %                                                                             %
946 %                                                                             %
947 %   W r i t e I m a g e                                                       %
948 %                                                                             %
949 %                                                                             %
950 %                                                                             %
951 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
952 %
953 %  WriteImage() writes an image or an image sequence to a file or file handle.
954 %  If writing to a file is on disk, the name is defined by the filename member
955 %  of the image structure.  WriteImage() returns MagickFalse is there is a
956 %  memory shortage or if the image cannot be written.  Check the exception
957 %  member of image to determine the cause for any failure.
958 %
959 %  The format of the WriteImage method is:
960 %
961 %      MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image,
962 %        ExceptionInfo *exception)
963 %
964 %  A description of each parameter follows:
965 %
966 %    o image_info: the image info.
967 %
968 %    o image: the image.
969 %
970 %    o exception: return any errors or warnings in this structure.
971 %
972 */
973 MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info,
974   Image *image,ExceptionInfo *exception)
975 {
976   char
977     filename[MagickPathExtent];
978
979   const char
980     *option;
981
982   const DelegateInfo
983     *delegate_info;
984
985   const MagickInfo
986     *magick_info;
987
988   ExceptionInfo
989     *sans_exception;
990
991   ImageInfo
992     *write_info;
993
994   MagickBooleanType
995     status,
996     temporary;
997
998   /*
999     Determine image type from filename prefix or suffix (e.g. image.jpg).
1000   */
1001   assert(image_info != (ImageInfo *) NULL);
1002   assert(image_info->signature == MagickCoreSignature);
1003   if (image->debug != MagickFalse)
1004     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
1005       image_info->filename);
1006   assert(image != (Image *) NULL);
1007   assert(image->signature == MagickCoreSignature);
1008   assert(exception != (ExceptionInfo *) NULL);
1009   sans_exception=AcquireExceptionInfo();
1010   write_info=CloneImageInfo(image_info);
1011   (void) CopyMagickString(write_info->filename,image->filename,
1012     MagickPathExtent);
1013   (void) SetImageInfo(write_info,1,sans_exception);
1014   if (*write_info->magick == '\0')
1015     (void) CopyMagickString(write_info->magick,image->magick,MagickPathExtent);
1016   (void) CopyMagickString(filename,image->filename,MagickPathExtent);
1017   (void) CopyMagickString(image->filename,write_info->filename,
1018     MagickPathExtent);
1019   /*
1020     Call appropriate image writer based on image type.
1021   */
1022   magick_info=GetMagickInfo(write_info->magick,sans_exception);
1023   sans_exception=DestroyExceptionInfo(sans_exception);
1024   if (magick_info != (const MagickInfo *) NULL)
1025     {
1026       PolicyDomain
1027         domain;
1028
1029       PolicyRights
1030         rights;
1031
1032       domain=CoderPolicyDomain;
1033       rights=WritePolicyRights;
1034       if (IsRightsAuthorized(domain,rights,magick_info->module) == MagickFalse)
1035         {
1036           write_info=DestroyImageInfo(write_info);
1037           errno=EPERM;
1038           ThrowBinaryException(PolicyError,"NotAuthorized",filename);
1039         }
1040       if (GetMagickEndianSupport(magick_info) == MagickFalse)
1041         image->endian=UndefinedEndian;
1042       else
1043         if ((image_info->endian == UndefinedEndian) &&
1044             (GetMagickRawSupport(magick_info) != MagickFalse))
1045           {
1046             unsigned long
1047               lsb_first;
1048
1049             lsb_first=1;
1050             image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian;
1051          }
1052     }
1053   (void) SyncImageProfiles(image);
1054   DisassociateImageStream(image);
1055   option=GetImageOption(image_info,"delegate:bimodal");
1056   if ((IsStringTrue(option) != MagickFalse) &&
1057       (write_info->page == (char *) NULL) &&
1058       (GetPreviousImageInList(image) == (Image *) NULL) &&
1059       (GetNextImageInList(image) == (Image *) NULL) &&
1060       (IsTaintImage(image) == MagickFalse) )
1061     {
1062       delegate_info=GetDelegateInfo(image->magick,write_info->magick,exception);
1063       if ((delegate_info != (const DelegateInfo *) NULL) &&
1064           (GetDelegateMode(delegate_info) == 0) &&
1065           (IsPathAccessible(image->magick_filename) != MagickFalse))
1066         {
1067           /*
1068             Process image with bi-modal delegate.
1069           */
1070           (void) CopyMagickString(image->filename,image->magick_filename,
1071             MagickPathExtent);
1072           status=InvokeDelegate(write_info,image,image->magick,
1073             write_info->magick,exception);
1074           write_info=DestroyImageInfo(write_info);
1075           (void) CopyMagickString(image->filename,filename,MagickPathExtent);
1076           return(status);
1077         }
1078     }
1079   status=MagickFalse;
1080   temporary=MagickFalse;
1081   if ((magick_info != (const MagickInfo *) NULL) &&
1082       (GetMagickEncoderSeekableStream(magick_info) != MagickFalse))
1083     {
1084       char
1085         image_filename[MagickPathExtent];
1086
1087       (void) CopyMagickString(image_filename,image->filename,MagickPathExtent);
1088       status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1089       (void) CopyMagickString(image->filename, image_filename,MagickPathExtent);
1090       if (status != MagickFalse)
1091         {
1092           if (IsBlobSeekable(image) == MagickFalse)
1093             {
1094               /*
1095                 A seekable stream is required by the encoder.
1096               */
1097               write_info->adjoin=MagickTrue;
1098               (void) CopyMagickString(write_info->filename,image->filename,
1099                 MagickPathExtent);
1100               (void) AcquireUniqueFilename(image->filename);
1101               temporary=MagickTrue;
1102             }
1103           (void) CloseBlob(image);
1104         }
1105     }
1106   if ((magick_info != (const MagickInfo *) NULL) &&
1107       (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1108     {
1109       /*
1110         Call appropriate image writer based on image type.
1111       */
1112       if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1113         LockSemaphoreInfo(magick_info->semaphore);
1114       status=GetImageEncoder(magick_info)(write_info,image,exception);
1115       if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1116         UnlockSemaphoreInfo(magick_info->semaphore);
1117     }
1118   else
1119     {
1120       delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,exception);
1121       if (delegate_info != (DelegateInfo *) NULL)
1122         {
1123           /*
1124             Process the image with delegate.
1125           */
1126           *write_info->filename='\0';
1127           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1128             LockSemaphoreInfo(delegate_info->semaphore);
1129           status=InvokeDelegate(write_info,image,(char *) NULL,
1130             write_info->magick,exception);
1131           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1132             UnlockSemaphoreInfo(delegate_info->semaphore);
1133           (void) CopyMagickString(image->filename,filename,MagickPathExtent);
1134         }
1135       else
1136         {
1137           sans_exception=AcquireExceptionInfo();
1138           magick_info=GetMagickInfo(write_info->magick,sans_exception);
1139           sans_exception=DestroyExceptionInfo(sans_exception);
1140           if ((write_info->affirm == MagickFalse) &&
1141               (magick_info == (const MagickInfo *) NULL))
1142             {
1143               (void) CopyMagickString(write_info->magick,image->magick,
1144                 MagickPathExtent);
1145               magick_info=GetMagickInfo(write_info->magick,exception);
1146             }
1147           if ((magick_info == (const MagickInfo *) NULL) ||
1148               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1149             {
1150               char
1151                 extension[MagickPathExtent];
1152
1153               GetPathComponent(image->filename,ExtensionPath,extension);
1154               if (*extension != '\0')
1155                 magick_info=GetMagickInfo(extension,exception);
1156               else
1157                 magick_info=GetMagickInfo(image->magick,exception);
1158               (void) CopyMagickString(image->filename,filename,
1159                 MagickPathExtent);
1160             }
1161           if ((magick_info == (const MagickInfo *) NULL) ||
1162               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1163             {
1164               magick_info=GetMagickInfo(image->magick,exception);
1165               if ((magick_info == (const MagickInfo *) NULL) ||
1166                   (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1167                 (void) ThrowMagickException(exception,GetMagickModule(),
1168                   MissingDelegateError,"NoEncodeDelegateForThisImageFormat",
1169                   "`%s'",write_info->magick);
1170               else
1171                 (void) ThrowMagickException(exception,GetMagickModule(),
1172                   MissingDelegateWarning,"NoEncodeDelegateForThisImageFormat",
1173                   "`%s'",write_info->magick);
1174             }
1175           if ((magick_info != (const MagickInfo *) NULL) &&
1176               (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1177             {
1178               /*
1179                 Call appropriate image writer based on image type.
1180               */
1181               if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1182                 LockSemaphoreInfo(magick_info->semaphore);
1183               status=GetImageEncoder(magick_info)(write_info,image,exception);
1184               if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1185                 UnlockSemaphoreInfo(magick_info->semaphore);
1186             }
1187         }
1188     }
1189   if (temporary != MagickFalse)
1190     {
1191       /*
1192         Copy temporary image file to permanent.
1193       */
1194       status=OpenBlob(write_info,image,ReadBinaryBlobMode,exception);
1195       if (status != MagickFalse)
1196         {
1197           (void) RelinquishUniqueFileResource(write_info->filename);
1198           status=ImageToFile(image,write_info->filename,exception);
1199         }
1200       (void) CloseBlob(image);
1201       (void) RelinquishUniqueFileResource(image->filename);
1202       (void) CopyMagickString(image->filename,write_info->filename,
1203         MagickPathExtent);
1204     }
1205   if ((LocaleCompare(write_info->magick,"info") != 0) &&
1206       (write_info->verbose != MagickFalse))
1207     (void) IdentifyImage(image,stdout,MagickFalse,exception);
1208   write_info=DestroyImageInfo(write_info);
1209   return(status);
1210 }
1211 \f
1212 /*
1213 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1214 %                                                                             %
1215 %                                                                             %
1216 %                                                                             %
1217 %   W r i t e I m a g e s                                                     %
1218 %                                                                             %
1219 %                                                                             %
1220 %                                                                             %
1221 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1222 %
1223 %  WriteImages() writes an image sequence into one or more files.  While
1224 %  WriteImage() can write an image sequence, it is limited to writing
1225 %  the sequence into a single file using a format which supports multiple
1226 %  frames.   WriteImages(), however, does not have this limitation, instead it
1227 %  generates multiple output files if necessary (or when requested).  When
1228 %  ImageInfo's adjoin flag is set to MagickFalse, the file name is expected
1229 %  to include a printf-style formatting string for the frame number (e.g.
1230 %  "image%02d.png").
1231 %
1232 %  The format of the WriteImages method is:
1233 %
1234 %      MagickBooleanType WriteImages(const ImageInfo *image_info,Image *images,
1235 %        const char *filename,ExceptionInfo *exception)
1236 %
1237 %  A description of each parameter follows:
1238 %
1239 %    o image_info: the image info.
1240 %
1241 %    o images: the image list.
1242 %
1243 %    o filename: the image filename.
1244 %
1245 %    o exception: return any errors or warnings in this structure.
1246 %
1247 */
1248 MagickExport MagickBooleanType WriteImages(const ImageInfo *image_info,
1249   Image *images,const char *filename,ExceptionInfo *exception)
1250 {
1251 #define WriteImageTag  "Write/Image"
1252
1253   ExceptionInfo
1254     *sans_exception;
1255
1256   ImageInfo
1257     *write_info;
1258
1259   MagickBooleanType
1260     proceed;
1261
1262   MagickOffsetType
1263     progress;
1264
1265   MagickProgressMonitor
1266     progress_monitor;
1267
1268   MagickSizeType
1269     number_images;
1270
1271   MagickStatusType
1272     status;
1273
1274   register Image
1275     *p;
1276
1277   assert(image_info != (const ImageInfo *) NULL);
1278   assert(image_info->signature == MagickCoreSignature);
1279   assert(images != (Image *) NULL);
1280   assert(images->signature == MagickCoreSignature);
1281   if (images->debug != MagickFalse)
1282     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
1283   assert(exception != (ExceptionInfo *) NULL);
1284   write_info=CloneImageInfo(image_info);
1285   *write_info->magick='\0';
1286   images=GetFirstImageInList(images);
1287   if (filename != (const char *) NULL)
1288     for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1289       (void) CopyMagickString(p->filename,filename,MagickPathExtent);
1290   (void) CopyMagickString(write_info->filename,images->filename,
1291     MagickPathExtent);
1292   sans_exception=AcquireExceptionInfo();
1293   (void) SetImageInfo(write_info,(unsigned int) GetImageListLength(images),
1294     sans_exception);
1295   sans_exception=DestroyExceptionInfo(sans_exception);
1296   if (*write_info->magick == '\0')
1297     (void) CopyMagickString(write_info->magick,images->magick,MagickPathExtent);
1298   p=images;
1299   for ( ; GetNextImageInList(p) != (Image *) NULL; p=GetNextImageInList(p))
1300   {
1301     register Image
1302       *next;
1303
1304     next=GetNextImageInList(p);
1305     if (next == (Image *) NULL)
1306       break;
1307     if (p->scene >= next->scene)
1308       {
1309         register ssize_t
1310           i;
1311
1312         /*
1313           Generate consistent scene numbers.
1314         */
1315         i=(ssize_t) images->scene;
1316         for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1317           p->scene=(size_t) i++;
1318         break;
1319       }
1320   }
1321   /*
1322     Write images.
1323   */
1324   status=MagickTrue;
1325   progress_monitor=(MagickProgressMonitor) NULL;
1326   progress=0;
1327   number_images=GetImageListLength(images);
1328   for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1329   {
1330     if (number_images != 1)
1331       progress_monitor=SetImageProgressMonitor(p,(MagickProgressMonitor) NULL,
1332         p->client_data);
1333     status&=WriteImage(write_info,p,exception);
1334     if (number_images != 1)
1335       (void) SetImageProgressMonitor(p,progress_monitor,p->client_data);
1336     if (write_info->adjoin != MagickFalse)
1337       break;
1338     if (number_images != 1)
1339       {
1340         proceed=SetImageProgress(p,WriteImageTag,progress++,number_images);
1341         if (proceed == MagickFalse)
1342           break;
1343       }
1344   }
1345   write_info=DestroyImageInfo(write_info);
1346   return(status != 0 ? MagickTrue : MagickFalse);
1347 }