MagickCore  7.0.3
property.c
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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % PPPP RRRR OOO PPPP EEEEE RRRR TTTTT Y Y %
7 % P P R R O O P P E R R T Y Y %
8 % PPPP RRRR O O PPPP EEE RRRR T Y %
9 % P R R O O P E R R T Y %
10 % P R R OOO P EEEEE R R T Y %
11 % %
12 % %
13 % MagickCore Property Methods %
14 % %
15 % Software Design %
16 % Cristy %
17 % March 2000 %
18 % %
19 % %
20 % Copyright 1999-2019 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://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 
40 /*
41  Include declarations.
42 */
43 #include "MagickCore/studio.h"
44 #include "MagickCore/artifact.h"
45 #include "MagickCore/attribute.h"
46 #include "MagickCore/cache.h"
47 #include "MagickCore/cache-private.h"
48 #include "MagickCore/color.h"
49 #include "MagickCore/color-private.h"
50 #include "MagickCore/colorspace-private.h"
51 #include "MagickCore/compare.h"
52 #include "MagickCore/constitute.h"
53 #include "MagickCore/draw.h"
54 #include "MagickCore/effect.h"
55 #include "MagickCore/exception.h"
56 #include "MagickCore/exception-private.h"
57 #include "MagickCore/fx.h"
58 #include "MagickCore/fx-private.h"
59 #include "MagickCore/gem.h"
60 #include "MagickCore/geometry.h"
61 #include "MagickCore/histogram.h"
62 #include "MagickCore/image.h"
63 #include "MagickCore/layer.h"
64 #include "MagickCore/locale-private.h"
65 #include "MagickCore/list.h"
66 #include "MagickCore/magick.h"
67 #include "MagickCore/memory_.h"
68 #include "MagickCore/monitor.h"
69 #include "MagickCore/montage.h"
70 #include "MagickCore/option.h"
71 #include "MagickCore/policy.h"
72 #include "MagickCore/profile.h"
73 #include "MagickCore/property.h"
74 #include "MagickCore/quantum.h"
75 #include "MagickCore/resource_.h"
76 #include "MagickCore/splay-tree.h"
77 #include "MagickCore/signature.h"
78 #include "MagickCore/statistic.h"
79 #include "MagickCore/string_.h"
80 #include "MagickCore/string-private.h"
81 #include "MagickCore/token.h"
82 #include "MagickCore/token-private.h"
83 #include "MagickCore/utility.h"
84 #include "MagickCore/utility-private.h"
85 #include "MagickCore/version.h"
86 #include "MagickCore/xml-tree.h"
87 #include "MagickCore/xml-tree-private.h"
88 #if defined(MAGICKCORE_LCMS_DELEGATE)
89 #if defined(MAGICKCORE_HAVE_LCMS2_LCMS2_H)
90 #include <lcms2/lcms2.h>
91 #elif defined(MAGICKCORE_HAVE_LCMS2_H)
92 #include "lcms2.h"
93 #elif defined(MAGICKCORE_HAVE_LCMS_LCMS_H)
94 #include <lcms/lcms.h>
95 #else
96 #include "lcms.h"
97 #endif
98 #endif
99 
100 /*
101  Define declarations.
102 */
103 #if defined(MAGICKCORE_LCMS_DELEGATE)
104 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
105 #define cmsUInt32Number DWORD
106 #endif
107 #endif
108 
109 /*
110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
111 % %
112 % %
113 % %
114 % C l o n e I m a g e P r o p e r t i e s %
115 % %
116 % %
117 % %
118 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
119 %
120 % CloneImageProperties() clones all the image properties to another image.
121 %
122 % The format of the CloneImageProperties method is:
123 %
124 % MagickBooleanType CloneImageProperties(Image *image,
125 % const Image *clone_image)
126 %
127 % A description of each parameter follows:
128 %
129 % o image: the image.
130 %
131 % o clone_image: the clone image.
132 %
133 */
134 MagickExport MagickBooleanType CloneImageProperties(Image *image,
135  const Image *clone_image)
136 {
137  assert(image != (Image *) NULL);
138  assert(image->signature == MagickCoreSignature);
139  if (image->debug != MagickFalse)
140  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
141  assert(clone_image != (const Image *) NULL);
142  assert(clone_image->signature == MagickCoreSignature);
143  if (clone_image->debug != MagickFalse)
144  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
145  clone_image->filename);
146  (void) CopyMagickString(image->filename,clone_image->filename,
147  MagickPathExtent);
148  (void) CopyMagickString(image->magick_filename,clone_image->magick_filename,
149  MagickPathExtent);
150  image->compression=clone_image->compression;
151  image->quality=clone_image->quality;
152  image->depth=clone_image->depth;
153  image->matte_color=clone_image->matte_color;
154  image->background_color=clone_image->background_color;
155  image->border_color=clone_image->border_color;
156  image->transparent_color=clone_image->transparent_color;
157  image->gamma=clone_image->gamma;
158  image->chromaticity=clone_image->chromaticity;
159  image->rendering_intent=clone_image->rendering_intent;
160  image->black_point_compensation=clone_image->black_point_compensation;
161  image->units=clone_image->units;
162  image->montage=(char *) NULL;
163  image->directory=(char *) NULL;
164  (void) CloneString(&image->geometry,clone_image->geometry);
165  image->offset=clone_image->offset;
166  image->resolution.x=clone_image->resolution.x;
167  image->resolution.y=clone_image->resolution.y;
168  image->page=clone_image->page;
169  image->tile_offset=clone_image->tile_offset;
170  image->extract_info=clone_image->extract_info;
171  image->filter=clone_image->filter;
172  image->fuzz=clone_image->fuzz;
173  image->intensity=clone_image->intensity;
174  image->interlace=clone_image->interlace;
175  image->interpolate=clone_image->interpolate;
176  image->endian=clone_image->endian;
177  image->gravity=clone_image->gravity;
178  image->compose=clone_image->compose;
179  image->orientation=clone_image->orientation;
180  image->scene=clone_image->scene;
181  image->dispose=clone_image->dispose;
182  image->delay=clone_image->delay;
183  image->ticks_per_second=clone_image->ticks_per_second;
184  image->iterations=clone_image->iterations;
185  image->total_colors=clone_image->total_colors;
186  image->taint=clone_image->taint;
187  image->progress_monitor=clone_image->progress_monitor;
188  image->client_data=clone_image->client_data;
189  image->start_loop=clone_image->start_loop;
190  image->error=clone_image->error;
191  image->signature=clone_image->signature;
192  if (clone_image->properties != (void *) NULL)
193  {
194  if (image->properties != (void *) NULL)
195  DestroyImageProperties(image);
196  image->properties=CloneSplayTree((SplayTreeInfo *)
197  clone_image->properties,(void *(*)(void *)) ConstantString,
198  (void *(*)(void *)) ConstantString);
199  }
200  return(MagickTrue);
201 }
202 
203 /*
204 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
205 % %
206 % %
207 % %
208 % D e f i n e I m a g e P r o p e r t y %
209 % %
210 % %
211 % %
212 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
213 %
214 % DefineImageProperty() associates an assignment string of the form
215 % "key=value" with an artifact or options. It is equivelent to
216 % SetImageProperty().
217 %
218 % The format of the DefineImageProperty method is:
219 %
220 % MagickBooleanType DefineImageProperty(Image *image,const char *property,
221 % ExceptionInfo *exception)
222 %
223 % A description of each parameter follows:
224 %
225 % o image: the image.
226 %
227 % o property: the image property.
228 %
229 % o exception: return any errors or warnings in this structure.
230 %
231 */
232 MagickExport MagickBooleanType DefineImageProperty(Image *image,
233  const char *property,ExceptionInfo *exception)
234 {
235  char
236  key[MagickPathExtent],
237  value[MagickPathExtent];
238 
239  register char
240  *p;
241 
242  assert(image != (Image *) NULL);
243  assert(property != (const char *) NULL);
244  (void) CopyMagickString(key,property,MagickPathExtent-1);
245  for (p=key; *p != '\0'; p++)
246  if (*p == '=')
247  break;
248  *value='\0';
249  if (*p == '=')
250  (void) CopyMagickString(value,p+1,MagickPathExtent);
251  *p='\0';
252  return(SetImageProperty(image,key,value,exception));
253 }
254 
255 /*
256 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
257 % %
258 % %
259 % %
260 % D e l e t e I m a g e P r o p e r t y %
261 % %
262 % %
263 % %
264 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
265 %
266 % DeleteImageProperty() deletes an image property.
267 %
268 % The format of the DeleteImageProperty method is:
269 %
270 % MagickBooleanType DeleteImageProperty(Image *image,const char *property)
271 %
272 % A description of each parameter follows:
273 %
274 % o image: the image.
275 %
276 % o property: the image property.
277 %
278 */
279 MagickExport MagickBooleanType DeleteImageProperty(Image *image,
280  const char *property)
281 {
282  assert(image != (Image *) NULL);
283  assert(image->signature == MagickCoreSignature);
284  if (image->debug != MagickFalse)
285  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
286  if (image->properties == (void *) NULL)
287  return(MagickFalse);
288  return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->properties,property));
289 }
290 
291 /*
292 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
293 % %
294 % %
295 % %
296 % D e s t r o y I m a g e P r o p e r t i e s %
297 % %
298 % %
299 % %
300 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
301 %
302 % DestroyImageProperties() destroys all properties and associated memory
303 % attached to the given image.
304 %
305 % The format of the DestroyDefines method is:
306 %
307 % void DestroyImageProperties(Image *image)
308 %
309 % A description of each parameter follows:
310 %
311 % o image: the image.
312 %
313 */
314 MagickExport void DestroyImageProperties(Image *image)
315 {
316  assert(image != (Image *) NULL);
317  assert(image->signature == MagickCoreSignature);
318  if (image->debug != MagickFalse)
319  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
320  if (image->properties != (void *) NULL)
321  image->properties=(void *) DestroySplayTree((SplayTreeInfo *)
322  image->properties);
323 }
324 
325 /*
326 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
327 % %
328 % %
329 % %
330 % F o r m a t I m a g e P r o p e r t y %
331 % %
332 % %
333 % %
334 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
335 %
336 % FormatImageProperty() permits formatted property/value pairs to be saved as
337 % an image property.
338 %
339 % The format of the FormatImageProperty method is:
340 %
341 % MagickBooleanType FormatImageProperty(Image *image,const char *property,
342 % const char *format,...)
343 %
344 % A description of each parameter follows.
345 %
346 % o image: The image.
347 %
348 % o property: The attribute property.
349 %
350 % o format: A string describing the format to use to write the remaining
351 % arguments.
352 %
353 */
354 MagickExport MagickBooleanType FormatImageProperty(Image *image,
355  const char *property,const char *format,...)
356 {
357  char
358  value[MagickPathExtent];
359 
360  ExceptionInfo
361  *exception;
362 
363  MagickBooleanType
364  status;
365 
366  ssize_t
367  n;
368 
369  va_list
370  operands;
371 
372  va_start(operands,format);
373  n=FormatLocaleStringList(value,MagickPathExtent,format,operands);
374  (void) n;
375  va_end(operands);
376  exception=AcquireExceptionInfo();
377  status=SetImageProperty(image,property,value,exception);
378  exception=DestroyExceptionInfo(exception);
379  return(status);
380 }
381 
382 /*
383 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
384 % %
385 % %
386 % %
387 % G e t I m a g e P r o p e r t y %
388 % %
389 % %
390 % %
391 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
392 %
393 % GetImageProperty() gets a value associated with an image property.
394 %
395 % This includes, profile prefixes, such as "exif:", "iptc:" and "8bim:"
396 % It does not handle non-prifile prefixes, such as "fx:", "option:", or
397 % "artifact:".
398 %
399 % The returned string is stored as a properity of the same name for faster
400 % lookup later. It should NOT be freed by the caller.
401 %
402 % The format of the GetImageProperty method is:
403 %
404 % const char *GetImageProperty(const Image *image,const char *key,
405 % ExceptionInfo *exception)
406 %
407 % A description of each parameter follows:
408 %
409 % o image: the image.
410 %
411 % o key: the key.
412 %
413 % o exception: return any errors or warnings in this structure.
414 %
415 */
416 
417 static char
418  *TracePSClippath(const unsigned char *,size_t),
419  *TraceSVGClippath(const unsigned char *,size_t,const size_t,
420  const size_t);
421 
422 static MagickBooleanType GetIPTCProperty(const Image *image,const char *key,
423  ExceptionInfo *exception)
424 {
425  char
426  *attribute,
427  *message;
428 
429  const StringInfo
430  *profile;
431 
432  long
433  count,
434  dataset,
435  record;
436 
437  register ssize_t
438  i;
439 
440  size_t
441  length;
442 
443  profile=GetImageProfile(image,"iptc");
444  if (profile == (StringInfo *) NULL)
445  profile=GetImageProfile(image,"8bim");
446  if (profile == (StringInfo *) NULL)
447  return(MagickFalse);
448  count=sscanf(key,"IPTC:%ld:%ld",&dataset,&record);
449  if (count != 2)
450  return(MagickFalse);
451  attribute=(char *) NULL;
452  for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=(ssize_t) length)
453  {
454  length=1;
455  if ((ssize_t) GetStringInfoDatum(profile)[i] != 0x1c)
456  continue;
457  length=(size_t) (GetStringInfoDatum(profile)[i+3] << 8);
458  length|=GetStringInfoDatum(profile)[i+4];
459  if (((long) GetStringInfoDatum(profile)[i+1] == dataset) &&
460  ((long) GetStringInfoDatum(profile)[i+2] == record))
461  {
462  message=(char *) NULL;
463  if (~length >= 1)
464  message=(char *) AcquireQuantumMemory(length+1UL,sizeof(*message));
465  if (message != (char *) NULL)
466  {
467  (void) CopyMagickString(message,(char *) GetStringInfoDatum(
468  profile)+i+5,length+1);
469  (void) ConcatenateString(&attribute,message);
470  (void) ConcatenateString(&attribute,";");
471  message=DestroyString(message);
472  }
473  }
474  i+=5;
475  }
476  if ((attribute == (char *) NULL) || (*attribute == ';'))
477  {
478  if (attribute != (char *) NULL)
479  attribute=DestroyString(attribute);
480  return(MagickFalse);
481  }
482  attribute[strlen(attribute)-1]='\0';
483  (void) SetImageProperty((Image *) image,key,(const char *) attribute,
484  exception);
485  attribute=DestroyString(attribute);
486  return(MagickTrue);
487 }
488 
489 static inline int ReadPropertyByte(const unsigned char **p,size_t *length)
490 {
491  int
492  c;
493 
494  if (*length < 1)
495  return(EOF);
496  c=(int) (*(*p)++);
497  (*length)--;
498  return(c);
499 }
500 
501 static inline signed int ReadPropertyMSBLong(const unsigned char **p,
502  size_t *length)
503 {
504  union
505  {
506  unsigned int
507  unsigned_value;
508 
509  signed int
510  signed_value;
511  } quantum;
512 
513  int
514  c;
515 
516  register ssize_t
517  i;
518 
519  unsigned char
520  buffer[4];
521 
522  unsigned int
523  value;
524 
525  if (*length < 4)
526  return(-1);
527  for (i=0; i < 4; i++)
528  {
529  c=(int) (*(*p)++);
530  (*length)--;
531  buffer[i]=(unsigned char) c;
532  }
533  value=(unsigned int) buffer[0] << 24;
534  value|=(unsigned int) buffer[1] << 16;
535  value|=(unsigned int) buffer[2] << 8;
536  value|=(unsigned int) buffer[3];
537  quantum.unsigned_value=value & 0xffffffff;
538  return(quantum.signed_value);
539 }
540 
541 static inline signed short ReadPropertyMSBShort(const unsigned char **p,
542  size_t *length)
543 {
544  union
545  {
546  unsigned short
547  unsigned_value;
548 
549  signed short
550  signed_value;
551  } quantum;
552 
553  int
554  c;
555 
556  register ssize_t
557  i;
558 
559  unsigned char
560  buffer[2];
561 
562  unsigned short
563  value;
564 
565  if (*length < 2)
566  return((unsigned short) ~0);
567  for (i=0; i < 2; i++)
568  {
569  c=(int) (*(*p)++);
570  (*length)--;
571  buffer[i]=(unsigned char) c;
572  }
573  value=(unsigned short) buffer[0] << 8;
574  value|=(unsigned short) buffer[1];
575  quantum.unsigned_value=value & 0xffff;
576  return(quantum.signed_value);
577 }
578 
579 static MagickBooleanType Get8BIMProperty(const Image *image,const char *key,
580  ExceptionInfo *exception)
581 {
582  char
583  *attribute,
584  format[MagickPathExtent],
585  name[MagickPathExtent],
586  *resource;
587 
588  const StringInfo
589  *profile;
590 
591  const unsigned char
592  *info;
593 
594  long
595  start,
596  stop;
597 
598  MagickBooleanType
599  status;
600 
601  register ssize_t
602  i;
603 
604  size_t
605  length;
606 
607  ssize_t
608  count,
609  id,
610  sub_number;
611 
612  /*
613  There are no newlines in path names, so it's safe as terminator.
614  */
615  profile=GetImageProfile(image,"8bim");
616  if (profile == (StringInfo *) NULL)
617  return(MagickFalse);
618  count=(ssize_t) sscanf(key,"8BIM:%ld,%ld:%1024[^\n]\n%1024[^\n]",&start,&stop,
619  name,format);
620  if ((count != 2) && (count != 3) && (count != 4))
621  return(MagickFalse);
622  if (count < 4)
623  (void) CopyMagickString(format,"SVG",MagickPathExtent);
624  if (count < 3)
625  *name='\0';
626  sub_number=1;
627  if (*name == '#')
628  sub_number=(ssize_t) StringToLong(&name[1]);
629  sub_number=MagickMax(sub_number,1L);
630  resource=(char *) NULL;
631  status=MagickFalse;
632  length=GetStringInfoLength(profile);
633  info=GetStringInfoDatum(profile);
634  while ((length > 0) && (status == MagickFalse))
635  {
636  if (ReadPropertyByte(&info,&length) != (unsigned char) '8')
637  continue;
638  if (ReadPropertyByte(&info,&length) != (unsigned char) 'B')
639  continue;
640  if (ReadPropertyByte(&info,&length) != (unsigned char) 'I')
641  continue;
642  if (ReadPropertyByte(&info,&length) != (unsigned char) 'M')
643  continue;
644  id=(ssize_t) ReadPropertyMSBShort(&info,&length);
645  if (id < (ssize_t) start)
646  continue;
647  if (id > (ssize_t) stop)
648  continue;
649  if (resource != (char *) NULL)
650  resource=DestroyString(resource);
651  count=(ssize_t) ReadPropertyByte(&info,&length);
652  if ((count != 0) && ((size_t) count <= length))
653  {
654  resource=(char *) NULL;
655  if (~((size_t) count) >= (MagickPathExtent-1))
656  resource=(char *) AcquireQuantumMemory((size_t) count+
657  MagickPathExtent,sizeof(*resource));
658  if (resource != (char *) NULL)
659  {
660  for (i=0; i < (ssize_t) count; i++)
661  resource[i]=(char) ReadPropertyByte(&info,&length);
662  resource[count]='\0';
663  }
664  }
665  if ((count & 0x01) == 0)
666  (void) ReadPropertyByte(&info,&length);
667  count=(ssize_t) ReadPropertyMSBLong(&info,&length);
668  if ((count < 0) || ((size_t) count > length))
669  {
670  length=0;
671  continue;
672  }
673  if ((*name != '\0') && (*name != '#'))
674  if ((resource == (char *) NULL) || (LocaleCompare(name,resource) != 0))
675  {
676  /*
677  No name match, scroll forward and try next.
678  */
679  info+=count;
680  length-=MagickMin(count,(ssize_t) length);
681  continue;
682  }
683  if ((*name == '#') && (sub_number != 1))
684  {
685  /*
686  No numbered match, scroll forward and try next.
687  */
688  sub_number--;
689  info+=count;
690  length-=MagickMin(count,(ssize_t) length);
691  continue;
692  }
693  /*
694  We have the resource of interest.
695  */
696  attribute=(char *) NULL;
697  if (~((size_t) count) >= (MagickPathExtent-1))
698  attribute=(char *) AcquireQuantumMemory((size_t) count+MagickPathExtent,
699  sizeof(*attribute));
700  if (attribute != (char *) NULL)
701  {
702  (void) memcpy(attribute,(char *) info,(size_t) count);
703  attribute[count]='\0';
704  info+=count;
705  length-=MagickMin(count,(ssize_t) length);
706  if ((id <= 1999) || (id >= 2999))
707  (void) SetImageProperty((Image *) image,key,(const char *) attribute,
708  exception);
709  else
710  {
711  char
712  *path;
713 
714  if (LocaleCompare(format,"svg") == 0)
715  path=TraceSVGClippath((unsigned char *) attribute,(size_t) count,
716  image->columns,image->rows);
717  else
718  path=TracePSClippath((unsigned char *) attribute,(size_t) count);
719  (void) SetImageProperty((Image *) image,key,(const char *) path,
720  exception);
721  path=DestroyString(path);
722  }
723  attribute=DestroyString(attribute);
724  status=MagickTrue;
725  }
726  }
727  if (resource != (char *) NULL)
728  resource=DestroyString(resource);
729  return(status);
730 }
731 
732 static inline signed int ReadPropertySignedLong(const EndianType endian,
733  const unsigned char *buffer)
734 {
735  union
736  {
737  unsigned int
738  unsigned_value;
739 
740  signed int
741  signed_value;
742  } quantum;
743 
744  unsigned int
745  value;
746 
747  if (endian == LSBEndian)
748  {
749  value=(unsigned int) buffer[3] << 24;
750  value|=(unsigned int) buffer[2] << 16;
751  value|=(unsigned int) buffer[1] << 8;
752  value|=(unsigned int) buffer[0];
753  quantum.unsigned_value=value & 0xffffffff;
754  return(quantum.signed_value);
755  }
756  value=(unsigned int) buffer[0] << 24;
757  value|=(unsigned int) buffer[1] << 16;
758  value|=(unsigned int) buffer[2] << 8;
759  value|=(unsigned int) buffer[3];
760  quantum.unsigned_value=value & 0xffffffff;
761  return(quantum.signed_value);
762 }
763 
764 static inline unsigned int ReadPropertyUnsignedLong(const EndianType endian,
765  const unsigned char *buffer)
766 {
767  unsigned int
768  value;
769 
770  if (endian == LSBEndian)
771  {
772  value=(unsigned int) buffer[3] << 24;
773  value|=(unsigned int) buffer[2] << 16;
774  value|=(unsigned int) buffer[1] << 8;
775  value|=(unsigned int) buffer[0];
776  return(value & 0xffffffff);
777  }
778  value=(unsigned int) buffer[0] << 24;
779  value|=(unsigned int) buffer[1] << 16;
780  value|=(unsigned int) buffer[2] << 8;
781  value|=(unsigned int) buffer[3];
782  return(value & 0xffffffff);
783 }
784 
785 static inline signed short ReadPropertySignedShort(const EndianType endian,
786  const unsigned char *buffer)
787 {
788  union
789  {
790  unsigned short
791  unsigned_value;
792 
793  signed short
794  signed_value;
795  } quantum;
796 
797  unsigned short
798  value;
799 
800  if (endian == LSBEndian)
801  {
802  value=(unsigned short) buffer[1] << 8;
803  value|=(unsigned short) buffer[0];
804  quantum.unsigned_value=value & 0xffff;
805  return(quantum.signed_value);
806  }
807  value=(unsigned short) buffer[0] << 8;
808  value|=(unsigned short) buffer[1];
809  quantum.unsigned_value=value & 0xffff;
810  return(quantum.signed_value);
811 }
812 
813 static inline unsigned short ReadPropertyUnsignedShort(const EndianType endian,
814  const unsigned char *buffer)
815 {
816  unsigned short
817  value;
818 
819  if (endian == LSBEndian)
820  {
821  value=(unsigned short) buffer[1] << 8;
822  value|=(unsigned short) buffer[0];
823  return(value & 0xffff);
824  }
825  value=(unsigned short) buffer[0] << 8;
826  value|=(unsigned short) buffer[1];
827  return(value & 0xffff);
828 }
829 
830 static MagickBooleanType GetEXIFProperty(const Image *image,
831  const char *property,ExceptionInfo *exception)
832 {
833 #define MaxDirectoryStack 16
834 #define EXIF_DELIMITER "\n"
835 #define EXIF_NUM_FORMATS 12
836 #define EXIF_FMT_BYTE 1
837 #define EXIF_FMT_STRING 2
838 #define EXIF_FMT_USHORT 3
839 #define EXIF_FMT_ULONG 4
840 #define EXIF_FMT_URATIONAL 5
841 #define EXIF_FMT_SBYTE 6
842 #define EXIF_FMT_UNDEFINED 7
843 #define EXIF_FMT_SSHORT 8
844 #define EXIF_FMT_SLONG 9
845 #define EXIF_FMT_SRATIONAL 10
846 #define EXIF_FMT_SINGLE 11
847 #define EXIF_FMT_DOUBLE 12
848 #define TAG_EXIF_OFFSET 0x8769
849 #define TAG_GPS_OFFSET 0x8825
850 #define TAG_INTEROP_OFFSET 0xa005
851 
852 #define EXIFMultipleValues(size,format,arg) \
853 { \
854  ssize_t \
855  component; \
856  \
857  size_t \
858  len; \
859  \
860  unsigned char \
861  *p1; \
862  \
863  len=0; \
864  p1=p; \
865  for (component=0; component < components; component++) \
866  { \
867  len+=FormatLocaleString(buffer+len,MagickPathExtent-len,format", ",arg); \
868  if (len >= (MagickPathExtent-1)) \
869  len=MagickPathExtent-1; \
870  p1+=size; \
871  } \
872  if (len > 1) \
873  buffer[len-2]='\0'; \
874  value=AcquireString(buffer); \
875 }
876 
877 #define EXIFMultipleFractions(size,format,arg1,arg2) \
878 { \
879  ssize_t \
880  component; \
881  \
882  size_t \
883  len; \
884  \
885  unsigned char \
886  *p1; \
887  \
888  len=0; \
889  p1=p; \
890  for (component=0; component < components; component++) \
891  { \
892  len+=FormatLocaleString(buffer+len,MagickPathExtent-len,format", ", \
893  (arg1),(arg2)); \
894  if (len >= (MagickPathExtent-1)) \
895  len=MagickPathExtent-1; \
896  p1+=size; \
897  } \
898  if (len > 1) \
899  buffer[len-2]='\0'; \
900  value=AcquireString(buffer); \
901 }
902 
903  typedef struct _DirectoryInfo
904  {
905  const unsigned char
906  *directory;
907 
908  size_t
909  entry;
910 
911  ssize_t
912  offset;
913  } DirectoryInfo;
914 
915  typedef struct _TagInfo
916  {
917  size_t
918  tag;
919 
920  const char
921  *description;
922  } TagInfo;
923 
924  static TagInfo
925  EXIFTag[] =
926  {
927  { 0x001, "exif:InteroperabilityIndex" },
928  { 0x002, "exif:InteroperabilityVersion" },
929  { 0x100, "exif:ImageWidth" },
930  { 0x101, "exif:ImageLength" },
931  { 0x102, "exif:BitsPerSample" },
932  { 0x103, "exif:Compression" },
933  { 0x106, "exif:PhotometricInterpretation" },
934  { 0x10a, "exif:FillOrder" },
935  { 0x10d, "exif:DocumentName" },
936  { 0x10e, "exif:ImageDescription" },
937  { 0x10f, "exif:Make" },
938  { 0x110, "exif:Model" },
939  { 0x111, "exif:StripOffsets" },
940  { 0x112, "exif:Orientation" },
941  { 0x115, "exif:SamplesPerPixel" },
942  { 0x116, "exif:RowsPerStrip" },
943  { 0x117, "exif:StripByteCounts" },
944  { 0x11a, "exif:XResolution" },
945  { 0x11b, "exif:YResolution" },
946  { 0x11c, "exif:PlanarConfiguration" },
947  { 0x11d, "exif:PageName" },
948  { 0x11e, "exif:XPosition" },
949  { 0x11f, "exif:YPosition" },
950  { 0x118, "exif:MinSampleValue" },
951  { 0x119, "exif:MaxSampleValue" },
952  { 0x120, "exif:FreeOffsets" },
953  { 0x121, "exif:FreeByteCounts" },
954  { 0x122, "exif:GrayResponseUnit" },
955  { 0x123, "exif:GrayResponseCurve" },
956  { 0x124, "exif:T4Options" },
957  { 0x125, "exif:T6Options" },
958  { 0x128, "exif:ResolutionUnit" },
959  { 0x12d, "exif:TransferFunction" },
960  { 0x131, "exif:Software" },
961  { 0x132, "exif:DateTime" },
962  { 0x13b, "exif:Artist" },
963  { 0x13e, "exif:WhitePoint" },
964  { 0x13f, "exif:PrimaryChromaticities" },
965  { 0x140, "exif:ColorMap" },
966  { 0x141, "exif:HalfToneHints" },
967  { 0x142, "exif:TileWidth" },
968  { 0x143, "exif:TileLength" },
969  { 0x144, "exif:TileOffsets" },
970  { 0x145, "exif:TileByteCounts" },
971  { 0x14a, "exif:SubIFD" },
972  { 0x14c, "exif:InkSet" },
973  { 0x14d, "exif:InkNames" },
974  { 0x14e, "exif:NumberOfInks" },
975  { 0x150, "exif:DotRange" },
976  { 0x151, "exif:TargetPrinter" },
977  { 0x152, "exif:ExtraSample" },
978  { 0x153, "exif:SampleFormat" },
979  { 0x154, "exif:SMinSampleValue" },
980  { 0x155, "exif:SMaxSampleValue" },
981  { 0x156, "exif:TransferRange" },
982  { 0x157, "exif:ClipPath" },
983  { 0x158, "exif:XClipPathUnits" },
984  { 0x159, "exif:YClipPathUnits" },
985  { 0x15a, "exif:Indexed" },
986  { 0x15b, "exif:JPEGTables" },
987  { 0x15f, "exif:OPIProxy" },
988  { 0x200, "exif:JPEGProc" },
989  { 0x201, "exif:JPEGInterchangeFormat" },
990  { 0x202, "exif:JPEGInterchangeFormatLength" },
991  { 0x203, "exif:JPEGRestartInterval" },
992  { 0x205, "exif:JPEGLosslessPredictors" },
993  { 0x206, "exif:JPEGPointTransforms" },
994  { 0x207, "exif:JPEGQTables" },
995  { 0x208, "exif:JPEGDCTables" },
996  { 0x209, "exif:JPEGACTables" },
997  { 0x211, "exif:YCbCrCoefficients" },
998  { 0x212, "exif:YCbCrSubSampling" },
999  { 0x213, "exif:YCbCrPositioning" },
1000  { 0x214, "exif:ReferenceBlackWhite" },
1001  { 0x2bc, "exif:ExtensibleMetadataPlatform" },
1002  { 0x301, "exif:Gamma" },
1003  { 0x302, "exif:ICCProfileDescriptor" },
1004  { 0x303, "exif:SRGBRenderingIntent" },
1005  { 0x320, "exif:ImageTitle" },
1006  { 0x5001, "exif:ResolutionXUnit" },
1007  { 0x5002, "exif:ResolutionYUnit" },
1008  { 0x5003, "exif:ResolutionXLengthUnit" },
1009  { 0x5004, "exif:ResolutionYLengthUnit" },
1010  { 0x5005, "exif:PrintFlags" },
1011  { 0x5006, "exif:PrintFlagsVersion" },
1012  { 0x5007, "exif:PrintFlagsCrop" },
1013  { 0x5008, "exif:PrintFlagsBleedWidth" },
1014  { 0x5009, "exif:PrintFlagsBleedWidthScale" },
1015  { 0x500A, "exif:HalftoneLPI" },
1016  { 0x500B, "exif:HalftoneLPIUnit" },
1017  { 0x500C, "exif:HalftoneDegree" },
1018  { 0x500D, "exif:HalftoneShape" },
1019  { 0x500E, "exif:HalftoneMisc" },
1020  { 0x500F, "exif:HalftoneScreen" },
1021  { 0x5010, "exif:JPEGQuality" },
1022  { 0x5011, "exif:GridSize" },
1023  { 0x5012, "exif:ThumbnailFormat" },
1024  { 0x5013, "exif:ThumbnailWidth" },
1025  { 0x5014, "exif:ThumbnailHeight" },
1026  { 0x5015, "exif:ThumbnailColorDepth" },
1027  { 0x5016, "exif:ThumbnailPlanes" },
1028  { 0x5017, "exif:ThumbnailRawBytes" },
1029  { 0x5018, "exif:ThumbnailSize" },
1030  { 0x5019, "exif:ThumbnailCompressedSize" },
1031  { 0x501a, "exif:ColorTransferFunction" },
1032  { 0x501b, "exif:ThumbnailData" },
1033  { 0x5020, "exif:ThumbnailImageWidth" },
1034  { 0x5021, "exif:ThumbnailImageHeight" },
1035  { 0x5022, "exif:ThumbnailBitsPerSample" },
1036  { 0x5023, "exif:ThumbnailCompression" },
1037  { 0x5024, "exif:ThumbnailPhotometricInterp" },
1038  { 0x5025, "exif:ThumbnailImageDescription" },
1039  { 0x5026, "exif:ThumbnailEquipMake" },
1040  { 0x5027, "exif:ThumbnailEquipModel" },
1041  { 0x5028, "exif:ThumbnailStripOffsets" },
1042  { 0x5029, "exif:ThumbnailOrientation" },
1043  { 0x502a, "exif:ThumbnailSamplesPerPixel" },
1044  { 0x502b, "exif:ThumbnailRowsPerStrip" },
1045  { 0x502c, "exif:ThumbnailStripBytesCount" },
1046  { 0x502d, "exif:ThumbnailResolutionX" },
1047  { 0x502e, "exif:ThumbnailResolutionY" },
1048  { 0x502f, "exif:ThumbnailPlanarConfig" },
1049  { 0x5030, "exif:ThumbnailResolutionUnit" },
1050  { 0x5031, "exif:ThumbnailTransferFunction" },
1051  { 0x5032, "exif:ThumbnailSoftwareUsed" },
1052  { 0x5033, "exif:ThumbnailDateTime" },
1053  { 0x5034, "exif:ThumbnailArtist" },
1054  { 0x5035, "exif:ThumbnailWhitePoint" },
1055  { 0x5036, "exif:ThumbnailPrimaryChromaticities" },
1056  { 0x5037, "exif:ThumbnailYCbCrCoefficients" },
1057  { 0x5038, "exif:ThumbnailYCbCrSubsampling" },
1058  { 0x5039, "exif:ThumbnailYCbCrPositioning" },
1059  { 0x503A, "exif:ThumbnailRefBlackWhite" },
1060  { 0x503B, "exif:ThumbnailCopyRight" },
1061  { 0x5090, "exif:LuminanceTable" },
1062  { 0x5091, "exif:ChrominanceTable" },
1063  { 0x5100, "exif:FrameDelay" },
1064  { 0x5101, "exif:LoopCount" },
1065  { 0x5110, "exif:PixelUnit" },
1066  { 0x5111, "exif:PixelPerUnitX" },
1067  { 0x5112, "exif:PixelPerUnitY" },
1068  { 0x5113, "exif:PaletteHistogram" },
1069  { 0x1000, "exif:RelatedImageFileFormat" },
1070  { 0x1001, "exif:RelatedImageLength" },
1071  { 0x1002, "exif:RelatedImageWidth" },
1072  { 0x800d, "exif:ImageID" },
1073  { 0x80e3, "exif:Matteing" },
1074  { 0x80e4, "exif:DataType" },
1075  { 0x80e5, "exif:ImageDepth" },
1076  { 0x80e6, "exif:TileDepth" },
1077  { 0x828d, "exif:CFARepeatPatternDim" },
1078  { 0x828e, "exif:CFAPattern2" },
1079  { 0x828f, "exif:BatteryLevel" },
1080  { 0x8298, "exif:Copyright" },
1081  { 0x829a, "exif:ExposureTime" },
1082  { 0x829d, "exif:FNumber" },
1083  { 0x83bb, "exif:IPTC/NAA" },
1084  { 0x84e3, "exif:IT8RasterPadding" },
1085  { 0x84e5, "exif:IT8ColorTable" },
1086  { 0x8649, "exif:ImageResourceInformation" },
1087  { 0x8769, "exif:ExifOffset" }, /* specs as "Exif IFD Pointer"? */
1088  { 0x8773, "exif:InterColorProfile" },
1089  { 0x8822, "exif:ExposureProgram" },
1090  { 0x8824, "exif:SpectralSensitivity" },
1091  { 0x8825, "exif:GPSInfo" }, /* specs as "GPSInfo IFD Pointer"? */
1092  { 0x8827, "exif:PhotographicSensitivity" },
1093  { 0x8828, "exif:OECF" },
1094  { 0x8829, "exif:Interlace" },
1095  { 0x882a, "exif:TimeZoneOffset" },
1096  { 0x882b, "exif:SelfTimerMode" },
1097  { 0x8830, "exif:SensitivityType" },
1098  { 0x8831, "exif:StandardOutputSensitivity" },
1099  { 0x8832, "exif:RecommendedExposureIndex" },
1100  { 0x8833, "exif:ISOSpeed" },
1101  { 0x8834, "exif:ISOSpeedLatitudeyyy" },
1102  { 0x8835, "exif:ISOSpeedLatitudezzz" },
1103  { 0x9000, "exif:ExifVersion" },
1104  { 0x9003, "exif:DateTimeOriginal" },
1105  { 0x9004, "exif:DateTimeDigitized" },
1106  { 0x9010, "exif:OffsetTime" },
1107  { 0x9011, "exif:OffsetTimeOriginal" },
1108  { 0x9012, "exif:OffsetTimeDigitized" },
1109  { 0x9101, "exif:ComponentsConfiguration" },
1110  { 0x9102, "exif:CompressedBitsPerPixel" },
1111  { 0x9201, "exif:ShutterSpeedValue" },
1112  { 0x9202, "exif:ApertureValue" },
1113  { 0x9203, "exif:BrightnessValue" },
1114  { 0x9204, "exif:ExposureBiasValue" },
1115  { 0x9205, "exif:MaxApertureValue" },
1116  { 0x9206, "exif:SubjectDistance" },
1117  { 0x9207, "exif:MeteringMode" },
1118  { 0x9208, "exif:LightSource" },
1119  { 0x9209, "exif:Flash" },
1120  { 0x920a, "exif:FocalLength" },
1121  { 0x920b, "exif:FlashEnergy" },
1122  { 0x920c, "exif:SpatialFrequencyResponse" },
1123  { 0x920d, "exif:Noise" },
1124  { 0x9214, "exif:SubjectArea" },
1125  { 0x9290, "exif:SubSecTime" },
1126  { 0x9291, "exif:SubSecTimeOriginal" },
1127  { 0x9292, "exif:SubSecTimeDigitized" },
1128  { 0x9211, "exif:ImageNumber" },
1129  { 0x9212, "exif:SecurityClassification" },
1130  { 0x9213, "exif:ImageHistory" },
1131  { 0x9214, "exif:SubjectArea" },
1132  { 0x9215, "exif:ExposureIndex" },
1133  { 0x9216, "exif:TIFF-EPStandardID" },
1134  { 0x927c, "exif:MakerNote" },
1135  { 0x9286, "exif:UserComment" },
1136  { 0x9290, "exif:SubSecTime" },
1137  { 0x9291, "exif:SubSecTimeOriginal" },
1138  { 0x9292, "exif:SubSecTimeDigitized" },
1139  { 0x9400, "exif:Temperature" },
1140  { 0x9401, "exif:Humidity" },
1141  { 0x9402, "exif:Pressure" },
1142  { 0x9403, "exif:WaterDepth" },
1143  { 0x9404, "exif:Acceleration" },
1144  { 0x9405, "exif:CameraElevationAngle" },
1145  { 0x9C9b, "exif:WinXP-Title" },
1146  { 0x9C9c, "exif:WinXP-Comments" },
1147  { 0x9C9d, "exif:WinXP-Author" },
1148  { 0x9C9e, "exif:WinXP-Keywords" },
1149  { 0x9C9f, "exif:WinXP-Subject" },
1150  { 0xa000, "exif:FlashPixVersion" },
1151  { 0xa001, "exif:ColorSpace" },
1152  { 0xa002, "exif:PixelXDimension" },
1153  { 0xa003, "exif:PixelYDimension" },
1154  { 0xa004, "exif:RelatedSoundFile" },
1155  { 0xa005, "exif:InteroperabilityOffset" },
1156  { 0xa20b, "exif:FlashEnergy" },
1157  { 0xa20c, "exif:SpatialFrequencyResponse" },
1158  { 0xa20d, "exif:Noise" },
1159  { 0xa20e, "exif:FocalPlaneXResolution" },
1160  { 0xa20f, "exif:FocalPlaneYResolution" },
1161  { 0xa210, "exif:FocalPlaneResolutionUnit" },
1162  { 0xa214, "exif:SubjectLocation" },
1163  { 0xa215, "exif:ExposureIndex" },
1164  { 0xa216, "exif:TIFF/EPStandardID" },
1165  { 0xa217, "exif:SensingMethod" },
1166  { 0xa300, "exif:FileSource" },
1167  { 0xa301, "exif:SceneType" },
1168  { 0xa302, "exif:CFAPattern" },
1169  { 0xa401, "exif:CustomRendered" },
1170  { 0xa402, "exif:ExposureMode" },
1171  { 0xa403, "exif:WhiteBalance" },
1172  { 0xa404, "exif:DigitalZoomRatio" },
1173  { 0xa405, "exif:FocalLengthIn35mmFilm" },
1174  { 0xa406, "exif:SceneCaptureType" },
1175  { 0xa407, "exif:GainControl" },
1176  { 0xa408, "exif:Contrast" },
1177  { 0xa409, "exif:Saturation" },
1178  { 0xa40a, "exif:Sharpness" },
1179  { 0xa40b, "exif:DeviceSettingDescription" },
1180  { 0xa40c, "exif:SubjectDistanceRange" },
1181  { 0xa420, "exif:ImageUniqueID" },
1182  { 0xa430, "exif:CameraOwnerName" },
1183  { 0xa431, "exif:BodySerialNumber" },
1184  { 0xa432, "exif:LensSpecification" },
1185  { 0xa433, "exif:LensMake" },
1186  { 0xa434, "exif:LensModel" },
1187  { 0xa435, "exif:LensSerialNumber" },
1188  { 0xc4a5, "exif:PrintImageMatching" },
1189  { 0xa500, "exif:Gamma" },
1190  { 0xc640, "exif:CR2Slice" },
1191  { 0x10000, "exif:GPSVersionID" },
1192  { 0x10001, "exif:GPSLatitudeRef" },
1193  { 0x10002, "exif:GPSLatitude" },
1194  { 0x10003, "exif:GPSLongitudeRef" },
1195  { 0x10004, "exif:GPSLongitude" },
1196  { 0x10005, "exif:GPSAltitudeRef" },
1197  { 0x10006, "exif:GPSAltitude" },
1198  { 0x10007, "exif:GPSTimeStamp" },
1199  { 0x10008, "exif:GPSSatellites" },
1200  { 0x10009, "exif:GPSStatus" },
1201  { 0x1000a, "exif:GPSMeasureMode" },
1202  { 0x1000b, "exif:GPSDop" },
1203  { 0x1000c, "exif:GPSSpeedRef" },
1204  { 0x1000d, "exif:GPSSpeed" },
1205  { 0x1000e, "exif:GPSTrackRef" },
1206  { 0x1000f, "exif:GPSTrack" },
1207  { 0x10010, "exif:GPSImgDirectionRef" },
1208  { 0x10011, "exif:GPSImgDirection" },
1209  { 0x10012, "exif:GPSMapDatum" },
1210  { 0x10013, "exif:GPSDestLatitudeRef" },
1211  { 0x10014, "exif:GPSDestLatitude" },
1212  { 0x10015, "exif:GPSDestLongitudeRef" },
1213  { 0x10016, "exif:GPSDestLongitude" },
1214  { 0x10017, "exif:GPSDestBearingRef" },
1215  { 0x10018, "exif:GPSDestBearing" },
1216  { 0x10019, "exif:GPSDestDistanceRef" },
1217  { 0x1001a, "exif:GPSDestDistance" },
1218  { 0x1001b, "exif:GPSProcessingMethod" },
1219  { 0x1001c, "exif:GPSAreaInformation" },
1220  { 0x1001d, "exif:GPSDateStamp" },
1221  { 0x1001e, "exif:GPSDifferential" },
1222  { 0x1001f, "exif:GPSHPositioningError" },
1223  { 0x00000, (const char *) NULL }
1224  }; /* http://www.cipa.jp/std/documents/e/DC-008-Translation-2016-E.pdf */
1225 
1226  const StringInfo
1227  *profile;
1228 
1229  const unsigned char
1230  *directory,
1231  *exif;
1232 
1233  DirectoryInfo
1234  directory_stack[MaxDirectoryStack];
1235 
1236  EndianType
1237  endian;
1238 
1239  MagickBooleanType
1240  status;
1241 
1242  register ssize_t
1243  i;
1244 
1245  size_t
1246  entry,
1247  length,
1248  number_entries,
1249  tag,
1250  tag_value;
1251 
1252  SplayTreeInfo
1253  *exif_resources;
1254 
1255  ssize_t
1256  all,
1257  id,
1258  level,
1259  offset,
1260  tag_offset;
1261 
1262  static int
1263  tag_bytes[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
1264 
1265  /*
1266  If EXIF data exists, then try to parse the request for a tag.
1267  */
1268  profile=GetImageProfile(image,"exif");
1269  if (profile == (const StringInfo *) NULL)
1270  return(MagickFalse);
1271  if ((property == (const char *) NULL) || (*property == '\0'))
1272  return(MagickFalse);
1273  while (isspace((int) ((unsigned char) *property)) != 0)
1274  property++;
1275  if (strlen(property) <= 5)
1276  return(MagickFalse);
1277  all=0;
1278  tag=(~0UL);
1279  switch (*(property+5))
1280  {
1281  case '*':
1282  {
1283  /*
1284  Caller has asked for all the tags in the EXIF data.
1285  */
1286  tag=0;
1287  all=1; /* return the data in description=value format */
1288  break;
1289  }
1290  case '!':
1291  {
1292  tag=0;
1293  all=2; /* return the data in tagid=value format */
1294  break;
1295  }
1296  case '#':
1297  case '@':
1298  {
1299  int
1300  c;
1301 
1302  size_t
1303  n;
1304 
1305  /*
1306  Check for a hex based tag specification first.
1307  */
1308  tag=(*(property+5) == '@') ? 1UL : 0UL;
1309  property+=6;
1310  n=strlen(property);
1311  if (n != 4)
1312  return(MagickFalse);
1313  /*
1314  Parse tag specification as a hex number.
1315  */
1316  n/=4;
1317  do
1318  {
1319  for (i=(ssize_t) n-1L; i >= 0; i--)
1320  {
1321  c=(*property++);
1322  tag<<=4;
1323  if ((c >= '0') && (c <= '9'))
1324  tag|=(c-'0');
1325  else
1326  if ((c >= 'A') && (c <= 'F'))
1327  tag|=(c-('A'-10));
1328  else
1329  if ((c >= 'a') && (c <= 'f'))
1330  tag|=(c-('a'-10));
1331  else
1332  return(MagickFalse);
1333  }
1334  } while (*property != '\0');
1335  break;
1336  }
1337  default:
1338  {
1339  /*
1340  Try to match the text with a tag name instead.
1341  */
1342  for (i=0; ; i++)
1343  {
1344  if (EXIFTag[i].tag == 0)
1345  break;
1346  if (LocaleCompare(EXIFTag[i].description,property) == 0)
1347  {
1348  tag=(size_t) EXIFTag[i].tag;
1349  break;
1350  }
1351  }
1352  break;
1353  }
1354  }
1355  if (tag == (~0UL))
1356  return(MagickFalse);
1357  length=GetStringInfoLength(profile);
1358  if (length < 6)
1359  return(MagickFalse);
1360  exif=GetStringInfoDatum(profile);
1361  while (length != 0)
1362  {
1363  if (ReadPropertyByte(&exif,&length) != 0x45)
1364  continue;
1365  if (ReadPropertyByte(&exif,&length) != 0x78)
1366  continue;
1367  if (ReadPropertyByte(&exif,&length) != 0x69)
1368  continue;
1369  if (ReadPropertyByte(&exif,&length) != 0x66)
1370  continue;
1371  if (ReadPropertyByte(&exif,&length) != 0x00)
1372  continue;
1373  if (ReadPropertyByte(&exif,&length) != 0x00)
1374  continue;
1375  break;
1376  }
1377  if (length < 16)
1378  return(MagickFalse);
1379  id=(ssize_t) ReadPropertySignedShort(LSBEndian,exif);
1380  endian=LSBEndian;
1381  if (id == 0x4949)
1382  endian=LSBEndian;
1383  else
1384  if (id == 0x4D4D)
1385  endian=MSBEndian;
1386  else
1387  return(MagickFalse);
1388  if (ReadPropertyUnsignedShort(endian,exif+2) != 0x002a)
1389  return(MagickFalse);
1390  /*
1391  This the offset to the first IFD.
1392  */
1393  offset=(ssize_t) ReadPropertySignedLong(endian,exif+4);
1394  if ((offset < 0) || (size_t) offset >= length)
1395  return(MagickFalse);
1396  /*
1397  Set the pointer to the first IFD and follow it were it leads.
1398  */
1399  status=MagickFalse;
1400  directory=exif+offset;
1401  level=0;
1402  entry=0;
1403  tag_offset=0;
1404  exif_resources=NewSplayTree((int (*)(const void *,const void *)) NULL,
1405  (void *(*)(void *)) NULL,(void *(*)(void *)) NULL);
1406  do
1407  {
1408  /*
1409  If there is anything on the stack then pop it off.
1410  */
1411  if (level > 0)
1412  {
1413  level--;
1414  directory=directory_stack[level].directory;
1415  entry=directory_stack[level].entry;
1416  tag_offset=directory_stack[level].offset;
1417  }
1418  if ((directory < exif) || (directory > (exif+length-2)))
1419  break;
1420  /*
1421  Determine how many entries there are in the current IFD.
1422  */
1423  number_entries=(size_t) ReadPropertyUnsignedShort(endian,directory);
1424  for ( ; entry < number_entries; entry++)
1425  {
1426  register unsigned char
1427  *p,
1428  *q;
1429 
1430  size_t
1431  format;
1432 
1433  ssize_t
1434  components,
1435  number_bytes;
1436 
1437  q=(unsigned char *) (directory+(12*entry)+2);
1438  if (q > (exif+length-12))
1439  break; /* corrupt EXIF */
1440  if (GetValueFromSplayTree(exif_resources,q) == q)
1441  break;
1442  (void) AddValueToSplayTree(exif_resources,q,q);
1443  tag_value=(size_t) ReadPropertyUnsignedShort(endian,q)+tag_offset;
1444  format=(size_t) ReadPropertyUnsignedShort(endian,q+2);
1445  if (format >= (sizeof(tag_bytes)/sizeof(*tag_bytes)))
1446  break;
1447  components=(ssize_t) ReadPropertySignedLong(endian,q+4);
1448  if (components < 0)
1449  break; /* corrupt EXIF */
1450  number_bytes=(size_t) components*tag_bytes[format];
1451  if (number_bytes < components)
1452  break; /* prevent overflow */
1453  if (number_bytes <= 4)
1454  p=q+8;
1455  else
1456  {
1457  ssize_t
1458  dir_offset;
1459 
1460  /*
1461  The directory entry contains an offset.
1462  */
1463  dir_offset=(ssize_t) ReadPropertySignedLong(endian,q+8);
1464  if ((dir_offset < 0) || (size_t) dir_offset >= length)
1465  continue;
1466  if ((ssize_t) (dir_offset+number_bytes) < dir_offset)
1467  continue; /* prevent overflow */
1468  if ((size_t) (dir_offset+number_bytes) > length)
1469  continue;
1470  p=(unsigned char *) (exif+dir_offset);
1471  }
1472  if ((all != 0) || (tag == (size_t) tag_value))
1473  {
1474  char
1475  buffer[MagickPathExtent],
1476  *value;
1477 
1478  value=(char *) NULL;
1479  *buffer='\0';
1480  switch (format)
1481  {
1482  case EXIF_FMT_BYTE:
1483  case EXIF_FMT_UNDEFINED:
1484  {
1485  EXIFMultipleValues(1,"%.20g",(double) (*(unsigned char *) p1));
1486  break;
1487  }
1488  case EXIF_FMT_SBYTE:
1489  {
1490  EXIFMultipleValues(1,"%.20g",(double) (*(signed char *) p1));
1491  break;
1492  }
1493  case EXIF_FMT_SSHORT:
1494  {
1495  EXIFMultipleValues(2,"%hd",ReadPropertySignedShort(endian,p1));
1496  break;
1497  }
1498  case EXIF_FMT_USHORT:
1499  {
1500  EXIFMultipleValues(2,"%hu",ReadPropertyUnsignedShort(endian,p1));
1501  break;
1502  }
1503  case EXIF_FMT_ULONG:
1504  {
1505  EXIFMultipleValues(4,"%.20g",(double)
1506  ReadPropertyUnsignedLong(endian,p1));
1507  break;
1508  }
1509  case EXIF_FMT_SLONG:
1510  {
1511  EXIFMultipleValues(4,"%.20g",(double)
1512  ReadPropertySignedLong(endian,p1));
1513  break;
1514  }
1515  case EXIF_FMT_URATIONAL:
1516  {
1517  EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1518  ReadPropertyUnsignedLong(endian,p1),(double)
1519  ReadPropertyUnsignedLong(endian,p1+4));
1520  break;
1521  }
1522  case EXIF_FMT_SRATIONAL:
1523  {
1524  EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1525  ReadPropertySignedLong(endian,p1),(double)
1526  ReadPropertySignedLong(endian,p1+4));
1527  break;
1528  }
1529  case EXIF_FMT_SINGLE:
1530  {
1531  EXIFMultipleValues(4,"%f",(double) *(float *) p1);
1532  break;
1533  }
1534  case EXIF_FMT_DOUBLE:
1535  {
1536  EXIFMultipleValues(8,"%f",*(double *) p1);
1537  break;
1538  }
1539  default:
1540  case EXIF_FMT_STRING:
1541  {
1542  value=(char *) NULL;
1543  if (~((size_t) number_bytes) >= 1)
1544  value=(char *) AcquireQuantumMemory((size_t) number_bytes+1UL,
1545  sizeof(*value));
1546  if (value != (char *) NULL)
1547  {
1548  for (i=0; i < (ssize_t) number_bytes; i++)
1549  {
1550  value[i]='.';
1551  if ((isprint((int) p[i]) != 0) || (p[i] == '\0'))
1552  value[i]=(char) p[i];
1553  }
1554  value[i]='\0';
1555  }
1556  break;
1557  }
1558  }
1559  if (value != (char *) NULL)
1560  {
1561  char
1562  *key;
1563 
1564  key=AcquireString(property);
1565  switch (all)
1566  {
1567  case 1:
1568  {
1569  const char
1570  *description;
1571 
1572  description="unknown";
1573  for (i=0; ; i++)
1574  {
1575  if (EXIFTag[i].tag == 0)
1576  break;
1577  if (EXIFTag[i].tag == tag_value)
1578  {
1579  description=EXIFTag[i].description;
1580  break;
1581  }
1582  }
1583  (void) FormatLocaleString(key,MagickPathExtent,"%s",
1584  description);
1585  if (level == 2)
1586  (void) SubstituteString(&key,"exif:","exif:thumbnail:");
1587  break;
1588  }
1589  case 2:
1590  {
1591  if (tag_value < 0x10000)
1592  (void) FormatLocaleString(key,MagickPathExtent,"#%04lx",
1593  (unsigned long) tag_value);
1594  else
1595  if (tag_value < 0x20000)
1596  (void) FormatLocaleString(key,MagickPathExtent,"@%04lx",
1597  (unsigned long) (tag_value & 0xffff));
1598  else
1599  (void) FormatLocaleString(key,MagickPathExtent,"unknown");
1600  break;
1601  }
1602  default:
1603  {
1604  if (level == 2)
1605  (void) SubstituteString(&key,"exif:","exif:thumbnail:");
1606  }
1607  }
1608  if ((image->properties == (void *) NULL) ||
1609  (GetValueFromSplayTree((SplayTreeInfo *) image->properties,
1610  key) == (const void *) NULL))
1611  (void) SetImageProperty((Image *) image,key,value,exception);
1612  value=DestroyString(value);
1613  key=DestroyString(key);
1614  status=MagickTrue;
1615  }
1616  }
1617  if ((tag_value == TAG_EXIF_OFFSET) ||
1618  (tag_value == TAG_INTEROP_OFFSET) || (tag_value == TAG_GPS_OFFSET))
1619  {
1620  ssize_t
1621  tag_offset1;
1622 
1623  tag_offset1=(ssize_t) ReadPropertySignedLong(endian,p);
1624  if (((size_t) tag_offset1 < length) &&
1625  (level < (MaxDirectoryStack-2)))
1626  {
1627  ssize_t
1628  tag_offset2;
1629 
1630  tag_offset2=(ssize_t) ((tag_value == TAG_GPS_OFFSET) ? 0x10000 :
1631  0);
1632  directory_stack[level].directory=directory;
1633  entry++;
1634  directory_stack[level].entry=entry;
1635  directory_stack[level].offset=tag_offset;
1636  level++;
1637  directory_stack[level].directory=exif+tag_offset1;
1638  directory_stack[level].offset=tag_offset2;
1639  directory_stack[level].entry=0;
1640  level++;
1641  if ((directory+2+(12*number_entries)) > (exif+length))
1642  break;
1643  tag_offset1=(ssize_t) ReadPropertySignedLong(endian,directory+
1644  2+(12*number_entries));
1645  if ((tag_offset1 != 0) && ((size_t) tag_offset1 < length) &&
1646  (level < (MaxDirectoryStack-2)))
1647  {
1648  directory_stack[level].directory=exif+tag_offset1;
1649  directory_stack[level].entry=0;
1650  directory_stack[level].offset=tag_offset2;
1651  level++;
1652  }
1653  }
1654  break;
1655  }
1656  }
1657  } while (level > 0);
1658  exif_resources=DestroySplayTree(exif_resources);
1659  return(status);
1660 }
1661 
1662 static MagickBooleanType GetICCProperty(const Image *image,const char *property,
1663  ExceptionInfo *exception)
1664 {
1665  const StringInfo
1666  *profile;
1667 
1668  magick_unreferenced(property);
1669 
1670  profile=GetImageProfile(image,"icc");
1671  if (profile == (StringInfo *) NULL)
1672  profile=GetImageProfile(image,"icm");
1673  if (profile == (StringInfo *) NULL)
1674  return(MagickFalse);
1675  if (GetStringInfoLength(profile) < 128)
1676  return(MagickFalse); /* minimum ICC profile length */
1677 #if defined(MAGICKCORE_LCMS_DELEGATE)
1678  {
1679  cmsHPROFILE
1680  icc_profile;
1681 
1682  icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
1683  (cmsUInt32Number) GetStringInfoLength(profile));
1684  if (icc_profile != (cmsHPROFILE *) NULL)
1685  {
1686 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
1687  const char
1688  *name;
1689 
1690  name=cmsTakeProductName(icc_profile);
1691  if (name != (const char *) NULL)
1692  (void) SetImageProperty((Image *) image,"icc:name",name,exception);
1693 #else
1694  char
1695  info[MagickPathExtent];
1696 
1697  unsigned int
1698  extent;
1699 
1700  (void) memset(info,0,sizeof(info));
1701  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,"en","US",
1702  NULL,0);
1703  if (extent != 0)
1704  {
1705  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,"en",
1706  "US",info,MagickMin(MagickPathExtent-1,extent));
1707  (void) SetImageProperty((Image *) image,"icc:description",info,
1708  exception);
1709  }
1710  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoManufacturer,"en","US",
1711  NULL,0);
1712  if (extent != 0)
1713  {
1714  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoManufacturer,"en",
1715  "US",info,MagickMin(MagickPathExtent-1,extent));
1716  (void) SetImageProperty((Image *) image,"icc:manufacturer",info,
1717  exception);
1718  }
1719  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoModel,"en","US",
1720  NULL,0);
1721  if (extent != 0)
1722  {
1723  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoModel,"en","US",
1724  info,MagickMin(MagickPathExtent-1,extent));
1725  (void) SetImageProperty((Image *) image,"icc:model",info,exception);
1726  }
1727  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoCopyright,"en","US",
1728  NULL,0);
1729  if (extent != 0)
1730  {
1731  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoCopyright,"en",
1732  "US",info,MagickMin(MagickPathExtent-1,extent));
1733  (void) SetImageProperty((Image *) image,"icc:copyright",info,
1734  exception);
1735  }
1736 #endif
1737  (void) cmsCloseProfile(icc_profile);
1738  }
1739  }
1740 #endif
1741  return(MagickTrue);
1742 }
1743 
1744 static MagickBooleanType SkipXMPValue(const char *value)
1745 {
1746  if (value == (const char*) NULL)
1747  return(MagickTrue);
1748  while (*value != '\0')
1749  {
1750  if (isspace((int) ((unsigned char) *value)) == 0)
1751  return(MagickFalse);
1752  value++;
1753  }
1754  return(MagickTrue);
1755 }
1756 
1757 static MagickBooleanType GetXMPProperty(const Image *image,const char *property)
1758 {
1759  char
1760  *xmp_profile;
1761 
1762  const char
1763  *content;
1764 
1765  const StringInfo
1766  *profile;
1767 
1768  ExceptionInfo
1769  *exception;
1770 
1771  MagickBooleanType
1772  status;
1773 
1774  register const char
1775  *p;
1776 
1777  XMLTreeInfo
1778  *child,
1779  *description,
1780  *node,
1781  *rdf,
1782  *xmp;
1783 
1784  profile=GetImageProfile(image,"xmp");
1785  if (profile == (StringInfo *) NULL)
1786  return(MagickFalse);
1787  if (GetStringInfoLength(profile) < 17)
1788  return(MagickFalse);
1789  if ((property == (const char *) NULL) || (*property == '\0'))
1790  return(MagickFalse);
1791  xmp_profile=StringInfoToString(profile);
1792  if (xmp_profile == (char *) NULL)
1793  return(MagickFalse);
1794  for (p=xmp_profile; *p != '\0'; p++)
1795  if ((*p == '<') && (*(p+1) == 'x'))
1796  break;
1797  exception=AcquireExceptionInfo();
1798  xmp=NewXMLTree((char *) p,exception);
1799  xmp_profile=DestroyString(xmp_profile);
1800  exception=DestroyExceptionInfo(exception);
1801  if (xmp == (XMLTreeInfo *) NULL)
1802  return(MagickFalse);
1803  status=MagickFalse;
1804  rdf=GetXMLTreeChild(xmp,"rdf:RDF");
1805  if (rdf != (XMLTreeInfo *) NULL)
1806  {
1807  if (image->properties == (void *) NULL)
1808  ((Image *) image)->properties=NewSplayTree(CompareSplayTreeString,
1809  RelinquishMagickMemory,RelinquishMagickMemory);
1810  description=GetXMLTreeChild(rdf,"rdf:Description");
1811  while (description != (XMLTreeInfo *) NULL)
1812  {
1813  char
1814  *xmp_namespace;
1815 
1816  node=GetXMLTreeChild(description,(const char *) NULL);
1817  while (node != (XMLTreeInfo *) NULL)
1818  {
1819  child=GetXMLTreeChild(node,(const char *) NULL);
1820  content=GetXMLTreeContent(node);
1821  if ((child == (XMLTreeInfo *) NULL) &&
1822  (SkipXMPValue(content) == MagickFalse))
1823  {
1824  xmp_namespace=ConstantString(GetXMLTreeTag(node));
1825  (void) SubstituteString(&xmp_namespace,"exif:","xmp:");
1826  (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1827  xmp_namespace,ConstantString(content));
1828  }
1829  while (child != (XMLTreeInfo *) NULL)
1830  {
1831  content=GetXMLTreeContent(child);
1832  if (SkipXMPValue(content) == MagickFalse)
1833  {
1834  xmp_namespace=ConstantString(GetXMLTreeTag(node));
1835  (void) SubstituteString(&xmp_namespace,"exif:","xmp:");
1836  (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1837  xmp_namespace,ConstantString(content));
1838  }
1839  child=GetXMLTreeSibling(child);
1840  }
1841  node=GetXMLTreeSibling(node);
1842  }
1843  description=GetNextXMLTreeTag(description);
1844  }
1845  }
1846  xmp=DestroyXMLTree(xmp);
1847  return(status);
1848 }
1849 
1850 static char *TracePSClippath(const unsigned char *blob,size_t length)
1851 {
1852  char
1853  *path,
1854  *message;
1855 
1856  MagickBooleanType
1857  in_subpath;
1858 
1859  PointInfo
1860  first[3],
1861  last[3],
1862  point[3];
1863 
1864  register ssize_t
1865  i,
1866  x;
1867 
1868  ssize_t
1869  knot_count,
1870  selector,
1871  y;
1872 
1873  path=AcquireString((char *) NULL);
1874  if (path == (char *) NULL)
1875  return((char *) NULL);
1876  message=AcquireString((char *) NULL);
1877  (void) FormatLocaleString(message,MagickPathExtent,"/ClipImage\n");
1878  (void) ConcatenateString(&path,message);
1879  (void) FormatLocaleString(message,MagickPathExtent,"{\n");
1880  (void) ConcatenateString(&path,message);
1881  (void) FormatLocaleString(message,MagickPathExtent,
1882  " /c {curveto} bind def\n");
1883  (void) ConcatenateString(&path,message);
1884  (void) FormatLocaleString(message,MagickPathExtent,
1885  " /l {lineto} bind def\n");
1886  (void) ConcatenateString(&path,message);
1887  (void) FormatLocaleString(message,MagickPathExtent,
1888  " /m {moveto} bind def\n");
1889  (void) ConcatenateString(&path,message);
1890  (void) FormatLocaleString(message,MagickPathExtent,
1891  " /v {currentpoint 6 2 roll curveto} bind def\n");
1892  (void) ConcatenateString(&path,message);
1893  (void) FormatLocaleString(message,MagickPathExtent,
1894  " /y {2 copy curveto} bind def\n");
1895  (void) ConcatenateString(&path,message);
1896  (void) FormatLocaleString(message,MagickPathExtent,
1897  " /z {closepath} bind def\n");
1898  (void) ConcatenateString(&path,message);
1899  (void) FormatLocaleString(message,MagickPathExtent," newpath\n");
1900  (void) ConcatenateString(&path,message);
1901  /*
1902  The clipping path format is defined in "Adobe Photoshop File Formats
1903  Specification" version 6.0 downloadable from adobe.com.
1904  */
1905  (void) memset(point,0,sizeof(point));
1906  (void) memset(first,0,sizeof(first));
1907  (void) memset(last,0,sizeof(last));
1908  knot_count=0;
1909  in_subpath=MagickFalse;
1910  while (length > 0)
1911  {
1912  selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1913  switch (selector)
1914  {
1915  case 0:
1916  case 3:
1917  {
1918  if (knot_count != 0)
1919  {
1920  blob+=24;
1921  length-=MagickMin(24,(ssize_t) length);
1922  break;
1923  }
1924  /*
1925  Expected subpath length record.
1926  */
1927  knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1928  blob+=22;
1929  length-=MagickMin(22,(ssize_t) length);
1930  break;
1931  }
1932  case 1:
1933  case 2:
1934  case 4:
1935  case 5:
1936  {
1937  if (knot_count == 0)
1938  {
1939  /*
1940  Unexpected subpath knot
1941  */
1942  blob+=24;
1943  length-=MagickMin(24,(ssize_t) length);
1944  break;
1945  }
1946  /*
1947  Add sub-path knot
1948  */
1949  for (i=0; i < 3; i++)
1950  {
1951  size_t
1952  xx,
1953  yy;
1954 
1955  yy=(size_t) ReadPropertyMSBLong(&blob,&length);
1956  xx=(size_t) ReadPropertyMSBLong(&blob,&length);
1957  x=(ssize_t) xx;
1958  if (xx > 2147483647)
1959  x=(ssize_t) xx-4294967295U-1;
1960  y=(ssize_t) yy;
1961  if (yy > 2147483647)
1962  y=(ssize_t) yy-4294967295U-1;
1963  point[i].x=(double) x/4096/4096;
1964  point[i].y=1.0-(double) y/4096/4096;
1965  }
1966  if (in_subpath == MagickFalse)
1967  {
1968  (void) FormatLocaleString(message,MagickPathExtent," %g %g m\n",
1969  point[1].x,point[1].y);
1970  for (i=0; i < 3; i++)
1971  {
1972  first[i]=point[i];
1973  last[i]=point[i];
1974  }
1975  }
1976  else
1977  {
1978  /*
1979  Handle special cases when Bezier curves are used to describe
1980  corners and straight lines.
1981  */
1982  if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1983  (point[0].x == point[1].x) && (point[0].y == point[1].y))
1984  (void) FormatLocaleString(message,MagickPathExtent,
1985  " %g %g l\n",point[1].x,point[1].y);
1986  else
1987  if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1988  (void) FormatLocaleString(message,MagickPathExtent,
1989  " %g %g %g %g v\n",point[0].x,point[0].y,
1990  point[1].x,point[1].y);
1991  else
1992  if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
1993  (void) FormatLocaleString(message,MagickPathExtent,
1994  " %g %g %g %g y\n",last[2].x,last[2].y,
1995  point[1].x,point[1].y);
1996  else
1997  (void) FormatLocaleString(message,MagickPathExtent,
1998  " %g %g %g %g %g %g c\n",last[2].x,
1999  last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
2000  for (i=0; i < 3; i++)
2001  last[i]=point[i];
2002  }
2003  (void) ConcatenateString(&path,message);
2004  in_subpath=MagickTrue;
2005  knot_count--;
2006  /*
2007  Close the subpath if there are no more knots.
2008  */
2009  if (knot_count == 0)
2010  {
2011  /*
2012  Same special handling as above except we compare to the
2013  first point in the path and close the path.
2014  */
2015  if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
2016  (first[0].x == first[1].x) && (first[0].y == first[1].y))
2017  (void) FormatLocaleString(message,MagickPathExtent,
2018  " %g %g l z\n",first[1].x,first[1].y);
2019  else
2020  if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
2021  (void) FormatLocaleString(message,MagickPathExtent,
2022  " %g %g %g %g v z\n",first[0].x,first[0].y,
2023  first[1].x,first[1].y);
2024  else
2025  if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
2026  (void) FormatLocaleString(message,MagickPathExtent,
2027  " %g %g %g %g y z\n",last[2].x,last[2].y,
2028  first[1].x,first[1].y);
2029  else
2030  (void) FormatLocaleString(message,MagickPathExtent,
2031  " %g %g %g %g %g %g c z\n",last[2].x,
2032  last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
2033  (void) ConcatenateString(&path,message);
2034  in_subpath=MagickFalse;
2035  }
2036  break;
2037  }
2038  case 6:
2039  case 7:
2040  case 8:
2041  default:
2042  {
2043  blob+=24;
2044  length-=MagickMin(24,(ssize_t) length);
2045  break;
2046  }
2047  }
2048  }
2049  /*
2050  Returns an empty PS path if the path has no knots.
2051  */
2052  (void) FormatLocaleString(message,MagickPathExtent," eoclip\n");
2053  (void) ConcatenateString(&path,message);
2054  (void) FormatLocaleString(message,MagickPathExtent,"} bind def");
2055  (void) ConcatenateString(&path,message);
2056  message=DestroyString(message);
2057  return(path);
2058 }
2059 
2060 static char *TraceSVGClippath(const unsigned char *blob,size_t length,
2061  const size_t columns,const size_t rows)
2062 {
2063  char
2064  *path,
2065  *message;
2066 
2067  MagickBooleanType
2068  in_subpath;
2069 
2070  PointInfo
2071  first[3],
2072  last[3],
2073  point[3];
2074 
2075  register ssize_t
2076  i;
2077 
2078  ssize_t
2079  knot_count,
2080  selector,
2081  x,
2082  y;
2083 
2084  path=AcquireString((char *) NULL);
2085  if (path == (char *) NULL)
2086  return((char *) NULL);
2087  message=AcquireString((char *) NULL);
2088  (void) FormatLocaleString(message,MagickPathExtent,(
2089  "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
2090  "<svg xmlns=\"http://www.w3.org/2000/svg\""
2091  " width=\"%.20g\" height=\"%.20g\">\n"
2092  "<g>\n"
2093  "<path fill-rule=\"evenodd\" style=\"fill:#000000;stroke:#000000;"
2094  "stroke-width:0;stroke-antialiasing:false\" d=\"\n"),(double) columns,
2095  (double) rows);
2096  (void) ConcatenateString(&path,message);
2097  (void) memset(point,0,sizeof(point));
2098  (void) memset(first,0,sizeof(first));
2099  (void) memset(last,0,sizeof(last));
2100  knot_count=0;
2101  in_subpath=MagickFalse;
2102  while (length != 0)
2103  {
2104  selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
2105  switch (selector)
2106  {
2107  case 0:
2108  case 3:
2109  {
2110  if (knot_count != 0)
2111  {
2112  blob+=24;
2113  length-=MagickMin(24,(ssize_t) length);
2114  break;
2115  }
2116  /*
2117  Expected subpath length record.
2118  */
2119  knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
2120  blob+=22;
2121  length-=MagickMin(22,(ssize_t) length);
2122  break;
2123  }
2124  case 1:
2125  case 2:
2126  case 4:
2127  case 5:
2128  {
2129  if (knot_count == 0)
2130  {
2131  /*
2132  Unexpected subpath knot.
2133  */
2134  blob+=24;
2135  length-=MagickMin(24,(ssize_t) length);
2136  break;
2137  }
2138  /*
2139  Add sub-path knot
2140  */
2141  for (i=0; i < 3; i++)
2142  {
2143  unsigned int
2144  xx,
2145  yy;
2146 
2147  yy=(unsigned int) ReadPropertyMSBLong(&blob,&length);
2148  xx=(unsigned int) ReadPropertyMSBLong(&blob,&length);
2149  x=(ssize_t) xx;
2150  if (xx > 2147483647)
2151  x=(ssize_t) xx-4294967295U-1;
2152  y=(ssize_t) yy;
2153  if (yy > 2147483647)
2154  y=(ssize_t) yy-4294967295U-1;
2155  point[i].x=(double) x*columns/4096/4096;
2156  point[i].y=(double) y*rows/4096/4096;
2157  }
2158  if (in_subpath == MagickFalse)
2159  {
2160  (void) FormatLocaleString(message,MagickPathExtent,"M %g %g\n",
2161  point[1].x,point[1].y);
2162  for (i=0; i < 3; i++)
2163  {
2164  first[i]=point[i];
2165  last[i]=point[i];
2166  }
2167  }
2168  else
2169  {
2170  /*
2171  Handle special cases when Bezier curves are used to describe
2172  corners and straight lines.
2173  */
2174  if (((last[1].x == last[2].x) || (last[1].y == last[2].y)) &&
2175  (point[0].x == point[1].x) && (point[0].y == point[1].y))
2176  (void) FormatLocaleString(message,MagickPathExtent,
2177  "L %g %g\n",point[1].x,point[1].y);
2178  else
2179  (void) FormatLocaleString(message,MagickPathExtent,
2180  "C %g %g %g %g %g %g\n",last[2].x,last[2].y,point[0].x,
2181  point[0].y,point[1].x,point[1].y);
2182  for (i=0; i < 3; i++)
2183  last[i]=point[i];
2184  }
2185  (void) ConcatenateString(&path,message);
2186  in_subpath=MagickTrue;
2187  knot_count--;
2188  /*
2189  Close the subpath if there are no more knots.
2190  */
2191  if (knot_count == 0)
2192  {
2193  /*
2194  Same special handling as above except we compare to the
2195  first point in the path and close the path.
2196  */
2197  if (((last[1].x == last[2].x) || (last[1].y == last[2].y)) &&
2198  (first[0].x == first[1].x) && (first[0].y == first[1].y))
2199  (void) FormatLocaleString(message,MagickPathExtent,
2200  "L %g %g Z\n",first[1].x,first[1].y);
2201  else
2202  (void) FormatLocaleString(message,MagickPathExtent,
2203  "C %g %g %g %g %g %g Z\n",last[2].x,last[2].y,first[0].x,
2204  first[0].y,first[1].x,first[1].y);
2205  (void) ConcatenateString(&path,message);
2206  in_subpath=MagickFalse;
2207  }
2208  break;
2209  }
2210  case 6:
2211  case 7:
2212  case 8:
2213  default:
2214  {
2215  blob+=24;
2216  length-=MagickMin(24,(ssize_t) length);
2217  break;
2218  }
2219  }
2220  }
2221  /*
2222  Return an empty SVG image if the path does not have knots.
2223  */
2224  (void) ConcatenateString(&path,"\"/>\n</g>\n</svg>\n");
2225  message=DestroyString(message);
2226  return(path);
2227 }
2228 
2229 MagickExport const char *GetImageProperty(const Image *image,
2230  const char *property,ExceptionInfo *exception)
2231 {
2232  register const char
2233  *p;
2234 
2235  assert(image != (Image *) NULL);
2236  assert(image->signature == MagickCoreSignature);
2237  if (image->debug != MagickFalse)
2238  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2239  p=(const char *) NULL;
2240  if (image->properties != (void *) NULL)
2241  {
2242  if (property == (const char *) NULL)
2243  return((const char *) GetRootValueFromSplayTree((SplayTreeInfo *)
2244  image->properties));
2245  p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2246  image->properties,property);
2247  if (p != (const char *) NULL)
2248  return(p);
2249  }
2250  if ((property == (const char *) NULL) ||
2251  (strchr(property,':') == (char *) NULL))
2252  return(p);
2253  switch (*property)
2254  {
2255  case '8':
2256  {
2257  if (LocaleNCompare("8bim:",property,5) == 0)
2258  {
2259  (void) Get8BIMProperty(image,property,exception);
2260  break;
2261  }
2262  break;
2263  }
2264  case 'E':
2265  case 'e':
2266  {
2267  if (LocaleNCompare("exif:",property,5) == 0)
2268  {
2269  (void) GetEXIFProperty(image,property,exception);
2270  break;
2271  }
2272  break;
2273  }
2274  case 'I':
2275  case 'i':
2276  {
2277  if ((LocaleNCompare("icc:",property,4) == 0) ||
2278  (LocaleNCompare("icm:",property,4) == 0))
2279  {
2280  (void) GetICCProperty(image,property,exception);
2281  break;
2282  }
2283  if (LocaleNCompare("iptc:",property,5) == 0)
2284  {
2285  (void) GetIPTCProperty(image,property,exception);
2286  break;
2287  }
2288  break;
2289  }
2290  case 'X':
2291  case 'x':
2292  {
2293  if (LocaleNCompare("xmp:",property,4) == 0)
2294  {
2295  (void) GetXMPProperty(image,property);
2296  break;
2297  }
2298  break;
2299  }
2300  default:
2301  break;
2302  }
2303  if (image->properties != (void *) NULL)
2304  {
2305  p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2306  image->properties,property);
2307  return(p);
2308  }
2309  return((const char *) NULL);
2310 }
2311 
2312 /*
2313 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2314 % %
2315 % %
2316 % %
2317 + G e t M a g i c k P r o p e r t y %
2318 % %
2319 % %
2320 % %
2321 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2322 %
2323 % GetMagickProperty() gets attributes or calculated values that is associated
2324 % with a fixed known property name, or single letter property. It may be
2325 % called if no image is defined (IMv7), in which case only global image_info
2326 % values are available:
2327 %
2328 % \n newline
2329 % \r carriage return
2330 % < less-than character.
2331 % > greater-than character.
2332 % & ampersand character.
2333 % %% a percent sign
2334 % %b file size of image read in
2335 % %c comment meta-data property
2336 % %d directory component of path
2337 % %e filename extension or suffix
2338 % %f filename (including suffix)
2339 % %g layer canvas page geometry (equivalent to "%Wx%H%X%Y")
2340 % %h current image height in pixels
2341 % %i image filename (note: becomes output filename for "info:")
2342 % %k CALCULATED: number of unique colors
2343 % %l label meta-data property
2344 % %m image file format (file magic)
2345 % %n number of images in current image sequence
2346 % %o output filename (used for delegates)
2347 % %p index of image in current image list
2348 % %q quantum depth (compile-time constant)
2349 % %r image class and colorspace
2350 % %s scene number (from input unless re-assigned)
2351 % %t filename without directory or extension (suffix)
2352 % %u unique temporary filename (used for delegates)
2353 % %w current width in pixels
2354 % %x x resolution (density)
2355 % %y y resolution (density)
2356 % %z image depth (as read in unless modified, image save depth)
2357 % %A image transparency channel enabled (true/false)
2358 % %B file size of image in bytes
2359 % %C image compression type
2360 % %D image GIF dispose method
2361 % %G original image size (%wx%h; before any resizes)
2362 % %H page (canvas) height
2363 % %M Magick filename (original file exactly as given, including read mods)
2364 % %O page (canvas) offset ( = %X%Y )
2365 % %P page (canvas) size ( = %Wx%H )
2366 % %Q image compression quality ( 0 = default )
2367 % %S ?? scenes ??
2368 % %T image time delay (in centi-seconds)
2369 % %U image resolution units
2370 % %W page (canvas) width
2371 % %X page (canvas) x offset (including sign)
2372 % %Y page (canvas) y offset (including sign)
2373 % %Z unique filename (used for delegates)
2374 % %@ CALCULATED: trim bounding box (without actually trimming)
2375 % %# CALCULATED: 'signature' hash of image values
2376 %
2377 % This routine only handles specifically known properties. It does not
2378 % handle special prefixed properties, profiles, or expressions. Nor does
2379 % it return any free-form property strings.
2380 %
2381 % The returned string is stored in a structure somewhere, and should not be
2382 % directly freed. If the string was generated (common) the string will be
2383 % stored as as either as artifact or option 'get-property'. These may be
2384 % deleted (cleaned up) when no longer required, but neither artifact or
2385 % option is guranteed to exist.
2386 %
2387 % The format of the GetMagickProperty method is:
2388 %
2389 % const char *GetMagickProperty(ImageInfo *image_info,Image *image,
2390 % const char *property,ExceptionInfo *exception)
2391 %
2392 % A description of each parameter follows:
2393 %
2394 % o image_info: the image info (optional)
2395 %
2396 % o image: the image (optional)
2397 %
2398 % o key: the key.
2399 %
2400 % o exception: return any errors or warnings in this structure.
2401 %
2402 */
2403 static const char *GetMagickPropertyLetter(ImageInfo *image_info,
2404  Image *image,const char letter,ExceptionInfo *exception)
2405 {
2406 #define WarnNoImageReturn(format,arg) \
2407  if (image == (Image *) NULL ) { \
2408  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2409  "NoImageForProperty",format,arg); \
2410  return((const char *) NULL); \
2411  }
2412 #define WarnNoImageInfoReturn(format,arg) \
2413  if (image_info == (ImageInfo *) NULL ) { \
2414  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2415  "NoImageInfoForProperty",format,arg); \
2416  return((const char *) NULL); \
2417  }
2418 
2419  char
2420  value[MagickPathExtent]; /* formatted string to store as an artifact */
2421 
2422  const char
2423  *string; /* return a string already stored somewher */
2424 
2425  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
2426  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2427  else
2428  if ((image_info != (ImageInfo *) NULL) &&
2429  (image_info->debug != MagickFalse))
2430  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2431  *value='\0'; /* formatted string */
2432  string=(char *) NULL; /* constant string reference */
2433  /*
2434  Get properities that are directly defined by images.
2435  */
2436  switch (letter)
2437  {
2438  case 'b': /* image size read in - in bytes */
2439  {
2440  WarnNoImageReturn("\"%%%c\"",letter);
2441  (void) FormatMagickSize(image->extent,MagickFalse,"B",MagickPathExtent,
2442  value);
2443  if (image->extent == 0)
2444  (void) FormatMagickSize(GetBlobSize(image),MagickFalse,"B",
2445  MagickPathExtent,value);
2446  break;
2447  }
2448  case 'c': /* image comment property - empty string by default */
2449  {
2450  WarnNoImageReturn("\"%%%c\"",letter);
2451  string=GetImageProperty(image,"comment",exception);
2452  if ( string == (const char *) NULL )
2453  string="";
2454  break;
2455  }
2456  case 'd': /* Directory component of filename */
2457  {
2458  WarnNoImageReturn("\"%%%c\"",letter);
2459  GetPathComponent(image->magick_filename,HeadPath,value);
2460  if (*value == '\0')
2461  string="";
2462  break;
2463  }
2464  case 'e': /* Filename extension (suffix) of image file */
2465  {
2466  WarnNoImageReturn("\"%%%c\"",letter);
2467  GetPathComponent(image->magick_filename,ExtensionPath,value);
2468  if (*value == '\0')
2469  string="";
2470  break;
2471  }
2472  case 'f': /* Filename without directory component */
2473  {
2474  WarnNoImageReturn("\"%%%c\"",letter);
2475  GetPathComponent(image->magick_filename,TailPath,value);
2476  if (*value == '\0')
2477  string="";
2478  break;
2479  }
2480  case 'g': /* Image geometry, canvas and offset %Wx%H+%X+%Y */
2481  {
2482  WarnNoImageReturn("\"%%%c\"",letter);
2483  (void) FormatLocaleString(value,MagickPathExtent,
2484  "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
2485  image->page.height,(double) image->page.x,(double) image->page.y);
2486  break;
2487  }
2488  case 'h': /* Image height (current) */
2489  {
2490  WarnNoImageReturn("\"%%%c\"",letter);
2491  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2492  (image->rows != 0 ? image->rows : image->magick_rows));
2493  break;
2494  }
2495  case 'i': /* Filename last used for an image (read or write) */
2496  {
2497  WarnNoImageReturn("\"%%%c\"",letter);
2498  string=image->filename;
2499  break;
2500  }
2501  case 'k': /* Number of unique colors */
2502  {
2503  /*
2504  FUTURE: ensure this does not generate the formatted comment!
2505  */
2506  WarnNoImageReturn("\"%%%c\"",letter);
2507  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2508  GetNumberColors(image,(FILE *) NULL,exception));
2509  break;
2510  }
2511  case 'l': /* Image label property - empty string by default */
2512  {
2513  WarnNoImageReturn("\"%%%c\"",letter);
2514  string=GetImageProperty(image,"label",exception);
2515  if (string == (const char *) NULL)
2516  string="";
2517  break;
2518  }
2519  case 'm': /* Image format (file magick) */
2520  {
2521  WarnNoImageReturn("\"%%%c\"",letter);
2522  string=image->magick;
2523  break;
2524  }
2525  case 'n': /* Number of images in the list. */
2526  {
2527  if ( image != (Image *) NULL )
2528  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2529  GetImageListLength(image));
2530  else
2531  string="0"; /* no images or scenes */
2532  break;
2533  }
2534  case 'o': /* Output Filename - for delegate use only */
2535  WarnNoImageInfoReturn("\"%%%c\"",letter);
2536  string=image_info->filename;
2537  break;
2538  case 'p': /* Image index in current image list */
2539  {
2540  WarnNoImageReturn("\"%%%c\"",letter);
2541  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2542  GetImageIndexInList(image));
2543  break;
2544  }
2545  case 'q': /* Quantum depth of image in memory */
2546  {
2547  WarnNoImageReturn("\"%%%c\"",letter);
2548  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2549  MAGICKCORE_QUANTUM_DEPTH);
2550  break;
2551  }
2552  case 'r': /* Image storage class, colorspace, and alpha enabled. */
2553  {
2554  ColorspaceType
2555  colorspace;
2556 
2557  WarnNoImageReturn("\"%%%c\"",letter);
2558  colorspace=image->colorspace;
2559  if ((image->columns != 0) && (image->rows != 0) &&
2560  (SetImageGray(image,exception) != MagickFalse))
2561  colorspace=GRAYColorspace; /* FUTURE: this is IMv6 not IMv7 */
2562  (void) FormatLocaleString(value,MagickPathExtent,"%s %s %s",
2563  CommandOptionToMnemonic(MagickClassOptions,(ssize_t)
2564  image->storage_class),CommandOptionToMnemonic(MagickColorspaceOptions,
2565  (ssize_t) colorspace),image->alpha_trait != UndefinedPixelTrait ?
2566  "Alpha" : "");
2567  break;
2568  }
2569  case 's': /* Image scene number */
2570  {
2571 #if 0 /* this seems non-sensical -- simplifing */
2572  if (image_info->number_scenes != 0)
2573  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2574  image_info->scene);
2575  else if (image != (Image *) NULL)
2576  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2577  image->scene);
2578  else
2579  string="0";
2580 #else
2581  WarnNoImageReturn("\"%%%c\"",letter);
2582  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2583  image->scene);
2584 #endif
2585  break;
2586  }
2587  case 't': /* Base filename without directory or extention */
2588  {
2589  WarnNoImageReturn("\"%%%c\"",letter);
2590  GetPathComponent(image->magick_filename,BasePath,value);
2591  if (*value == '\0')
2592  string="";
2593  break;
2594  }
2595  case 'u': /* Unique filename */
2596  {
2597  WarnNoImageInfoReturn("\"%%%c\"",letter);
2598  string=image_info->unique;
2599  break;
2600  }
2601  case 'w': /* Image width (current) */
2602  {
2603  WarnNoImageReturn("\"%%%c\"",letter);
2604  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2605  (image->columns != 0 ? image->columns : image->magick_columns));
2606  break;
2607  }
2608  case 'x': /* Image horizontal resolution (with units) */
2609  {
2610  WarnNoImageReturn("\"%%%c\"",letter);
2611  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2612  fabs(image->resolution.x) > MagickEpsilon ? image->resolution.x : 72.0);
2613  break;
2614  }
2615  case 'y': /* Image vertical resolution (with units) */
2616  {
2617  WarnNoImageReturn("\"%%%c\"",letter);
2618  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2619  fabs(image->resolution.y) > MagickEpsilon ? image->resolution.y : 72.0);
2620  break;
2621  }
2622  case 'z': /* Image depth as read in */
2623  {
2624  WarnNoImageReturn("\"%%%c\"",letter);
2625  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2626  image->depth);
2627  break;
2628  }
2629  case 'A': /* Image alpha channel */
2630  {
2631  WarnNoImageReturn("\"%%%c\"",letter);
2632  string=CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
2633  image->alpha_trait);
2634  break;
2635  }
2636  case 'B': /* image size read in - in bytes */
2637  {
2638  WarnNoImageReturn("\"%%%c\"",letter);
2639  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2640  image->extent);
2641  if (image->extent == 0)
2642  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2643  GetBlobSize(image));
2644  break;
2645  }
2646  case 'C': /* Image compression method. */
2647  {
2648  WarnNoImageReturn("\"%%%c\"",letter);
2649  string=CommandOptionToMnemonic(MagickCompressOptions,(ssize_t)
2650  image->compression);
2651  break;
2652  }
2653  case 'D': /* Image dispose method. */
2654  {
2655  WarnNoImageReturn("\"%%%c\"",letter);
2656  string=CommandOptionToMnemonic(MagickDisposeOptions,(ssize_t)
2657  image->dispose);
2658  break;
2659  }
2660  case 'G': /* Image size as geometry = "%wx%h" */
2661  {
2662  WarnNoImageReturn("\"%%%c\"",letter);
2663  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",(double)
2664  image->magick_columns,(double) image->magick_rows);
2665  break;
2666  }
2667  case 'H': /* layer canvas height */
2668  {
2669  WarnNoImageReturn("\"%%%c\"",letter);
2670  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2671  image->page.height);
2672  break;
2673  }
2674  case 'M': /* Magick filename - filename given incl. coder & read mods */
2675  {
2676  WarnNoImageReturn("\"%%%c\"",letter);
2677  string=image->magick_filename;
2678  break;
2679  }
2680  case 'O': /* layer canvas offset with sign = "+%X+%Y" */
2681  {
2682  WarnNoImageReturn("\"%%%c\"",letter);
2683  (void) FormatLocaleString(value,MagickPathExtent,"%+ld%+ld",(long)
2684  image->page.x,(long) image->page.y);
2685  break;
2686  }
2687  case 'P': /* layer canvas page size = "%Wx%H" */
2688  {
2689  WarnNoImageReturn("\"%%%c\"",letter);
2690  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",(double)
2691  image->page.width,(double) image->page.height);
2692  break;
2693  }
2694  case 'Q': /* image compression quality */
2695  {
2696  WarnNoImageReturn("\"%%%c\"",letter);
2697  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2698  (image->quality == 0 ? 92 : image->quality));
2699  break;
2700  }
2701  case 'S': /* Number of scenes in image list. */
2702  {
2703  WarnNoImageInfoReturn("\"%%%c\"",letter);
2704 #if 0 /* What is this number? -- it makes no sense - simplifing */
2705  if (image_info->number_scenes == 0)
2706  string="2147483647";
2707  else if ( image != (Image *) NULL )
2708  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2709  image_info->scene+image_info->number_scenes);
2710  else
2711  string="0";
2712 #else
2713  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2714  (image_info->number_scenes == 0 ? 2147483647 :
2715  image_info->number_scenes));
2716 #endif
2717  break;
2718  }
2719  case 'T': /* image time delay for animations */
2720  {
2721  WarnNoImageReturn("\"%%%c\"",letter);
2722  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2723  image->delay);
2724  break;
2725  }
2726  case 'U': /* Image resolution units. */
2727  {
2728  WarnNoImageReturn("\"%%%c\"",letter);
2729  string=CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2730  image->units);
2731  break;
2732  }
2733  case 'W': /* layer canvas width */
2734  {
2735  WarnNoImageReturn("\"%%%c\"",letter);
2736  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2737  image->page.width);
2738  break;
2739  }
2740  case 'X': /* layer canvas X offset */
2741  {
2742  WarnNoImageReturn("\"%%%c\"",letter);
2743  (void) FormatLocaleString(value,MagickPathExtent,"%+.20g",(double)
2744  image->page.x);
2745  break;
2746  }
2747  case 'Y': /* layer canvas Y offset */
2748  {
2749  WarnNoImageReturn("\"%%%c\"",letter);
2750  (void) FormatLocaleString(value,MagickPathExtent,"%+.20g",(double)
2751  image->page.y);
2752  break;
2753  }
2754  case '%': /* percent escaped */
2755  {
2756  string="%";
2757  break;
2758  }
2759  case '@': /* Trim bounding box, without actually Trimming! */
2760  {
2761  RectangleInfo
2762  page;
2763 
2764  WarnNoImageReturn("\"%%%c\"",letter);
2765  page=GetImageBoundingBox(image,exception);
2766  (void) FormatLocaleString(value,MagickPathExtent,
2767  "%.20gx%.20g%+.20g%+.20g",(double) page.width,(double) page.height,
2768  (double) page.x,(double)page.y);
2769  break;
2770  }
2771  case '#':
2772  {
2773  /*
2774  Image signature.
2775  */
2776  WarnNoImageReturn("\"%%%c\"",letter);
2777  if ((image->columns != 0) && (image->rows != 0))
2778  (void) SignatureImage(image,exception);
2779  string=GetImageProperty(image,"signature",exception);
2780  break;
2781  }
2782  }
2783  if (string != (char *) NULL)
2784  return(string);
2785  if (*value != '\0')
2786  {
2787  /*
2788  Create a cloned copy of result.
2789  */
2790  if (image != (Image *) NULL)
2791  {
2792  (void) SetImageArtifact(image,"get-property",value);
2793  return(GetImageArtifact(image,"get-property"));
2794  }
2795  else
2796  {
2797  (void) SetImageOption(image_info,"get-property",value);
2798  return(GetImageOption(image_info,"get-property"));
2799  }
2800  }
2801  return((char *) NULL);
2802 }
2803 
2804 MagickExport const char *GetMagickProperty(ImageInfo *image_info,
2805  Image *image,const char *property,ExceptionInfo *exception)
2806 {
2807  char
2808  value[MagickPathExtent];
2809 
2810  const char
2811  *string;
2812 
2813  assert(property[0] != '\0');
2814  assert(image != (Image *) NULL || image_info != (ImageInfo *) NULL );
2815  if (property[1] == '\0') /* single letter property request */
2816  return(GetMagickPropertyLetter(image_info,image,*property,exception));
2817  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
2818  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2819  else
2820  if ((image_info != (ImageInfo *) NULL) &&
2821  (image_info->debug != MagickFalse))
2822  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2823  *value='\0'; /* formated string */
2824  string=(char *) NULL; /* constant string reference */
2825  switch (*property)
2826  {
2827  case 'b':
2828  {
2829  if (LocaleCompare("basename",property) == 0)
2830  {
2831  WarnNoImageReturn("\"%%[%s]\"",property);
2832  GetPathComponent(image->magick_filename,BasePath,value);
2833  if (*value == '\0')
2834  string="";
2835  break;
2836  }
2837  if (LocaleCompare("bit-depth",property) == 0)
2838  {
2839  WarnNoImageReturn("\"%%[%s]\"",property);
2840  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2841  GetImageDepth(image,exception));
2842  break;
2843  }
2844  break;
2845  }
2846  case 'c':
2847  {
2848  if (LocaleCompare("channels",property) == 0)
2849  {
2850  WarnNoImageReturn("\"%%[%s]\"",property);
2851  /* FUTURE: return actual image channels */
2852  (void) FormatLocaleString(value,MagickPathExtent,"%s",
2853  CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2854  image->colorspace));
2855  LocaleLower(value);
2856  if( image->alpha_trait != UndefinedPixelTrait )
2857  (void) ConcatenateMagickString(value,"a",MagickPathExtent);
2858  break;
2859  }
2860  if (LocaleCompare("colors",property) == 0)
2861  {
2862  WarnNoImageReturn("\"%%[%s]\"",property);
2863  image->colors=GetNumberColors(image,(FILE *) NULL,exception);
2864  (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2865  image->colors);
2866  break;
2867  }
2868  if (LocaleCompare("colorspace",property) == 0)
2869  {
2870  WarnNoImageReturn("\"%%[%s]\"",property);
2871  string=CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2872  image->colorspace);
2873  break;
2874  }
2875  if (LocaleCompare("compose",property) == 0)
2876  {
2877  WarnNoImageReturn("\"%%[%s]\"",property);
2878  string=CommandOptionToMnemonic(MagickComposeOptions,(ssize_t)
2879  image->compose);
2880  break;
2881  }
2882  if (LocaleCompare("compression",property) == 0)
2883  {
2884  WarnNoImageReturn("\"%%[%s]\"",property);
2885  string=CommandOptionToMnemonic(MagickCompressOptions,(ssize_t)
2886  image->compression);
2887  break;
2888  }
2889  if (LocaleCompare("copyright",property) == 0)
2890  {
2891  (void) CopyMagickString(value,GetMagickCopyright(),MagickPathExtent);
2892  break;
2893  }
2894  break;
2895  }
2896  case 'd':
2897  {
2898  if (LocaleCompare("depth",property) == 0)
2899  {
2900  WarnNoImageReturn("\"%%[%s]\"",property);
2901  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2902  image->depth);
2903  break;
2904  }
2905  if (LocaleCompare("directory",property) == 0)
2906  {
2907  WarnNoImageReturn("\"%%[%s]\"",property);
2908  GetPathComponent(image->magick_filename,HeadPath,value);
2909  if (*value == '\0')
2910  string="";
2911  break;
2912  }
2913  break;
2914  }
2915  case 'e':
2916  {
2917  if (LocaleCompare("entropy",property) == 0)
2918  {
2919  double
2920  entropy;
2921 
2922  WarnNoImageReturn("\"%%[%s]\"",property);
2923  (void) GetImageEntropy(image,&entropy,exception);
2924  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2925  GetMagickPrecision(),entropy);
2926  break;
2927  }
2928  if (LocaleCompare("extension",property) == 0)
2929  {
2930  WarnNoImageReturn("\"%%[%s]\"",property);
2931  GetPathComponent(image->magick_filename,ExtensionPath,value);
2932  if (*value == '\0')
2933  string="";
2934  break;
2935  }
2936  break;
2937  }
2938  case 'g':
2939  {
2940  if (LocaleCompare("gamma",property) == 0)
2941  {
2942  WarnNoImageReturn("\"%%[%s]\"",property);
2943  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2944  GetMagickPrecision(),image->gamma);
2945  break;
2946  }
2947  break;
2948  }
2949  case 'h':
2950  {
2951  if (LocaleCompare("height",property) == 0)
2952  {
2953  WarnNoImageReturn("\"%%[%s]\"",property);
2954  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2955  image->magick_rows != 0 ? (double) image->magick_rows : 256.0);
2956  break;
2957  }
2958  break;
2959  }
2960  case 'i':
2961  {
2962  if (LocaleCompare("input",property) == 0)
2963  {
2964  WarnNoImageReturn("\"%%[%s]\"",property);
2965  string=image->filename;
2966  break;
2967  }
2968  if (LocaleCompare("interlace",property) == 0)
2969  {
2970  WarnNoImageReturn("\"%%[%s]\"",property);
2971  string=CommandOptionToMnemonic(MagickInterlaceOptions,(ssize_t)
2972  image->interlace);
2973  break;
2974  }
2975  break;
2976  }
2977  case 'k':
2978  {
2979  if (LocaleCompare("kurtosis",property) == 0)
2980  {
2981  double
2982  kurtosis,
2983  skewness;
2984 
2985  WarnNoImageReturn("\"%%[%s]\"",property);
2986  (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
2987  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2988  GetMagickPrecision(),kurtosis);
2989  break;
2990  }
2991  break;
2992  }
2993  case 'm':
2994  {
2995  if (LocaleCompare("magick",property) == 0)
2996  {
2997  WarnNoImageReturn("\"%%[%s]\"",property);
2998  string=image->magick;
2999  break;
3000  }
3001  if ((LocaleCompare("maxima",property) == 0) ||
3002  (LocaleCompare("max",property) == 0))
3003  {
3004  double
3005  maximum,
3006  minimum;
3007 
3008  WarnNoImageReturn("\"%%[%s]\"",property);
3009  (void) GetImageRange(image,&minimum,&maximum,exception);
3010  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3011  GetMagickPrecision(),maximum);
3012  break;
3013  }
3014  if (LocaleCompare("mean",property) == 0)
3015  {
3016  double
3017  mean,
3018  standard_deviation;
3019 
3020  WarnNoImageReturn("\"%%[%s]\"",property);
3021  (void) GetImageMean(image,&mean,&standard_deviation,exception);
3022  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3023  GetMagickPrecision(),mean);
3024  break;
3025  }
3026  if ((LocaleCompare("minima",property) == 0) ||
3027  (LocaleCompare("min",property) == 0))
3028  {
3029  double
3030  maximum,
3031  minimum;
3032 
3033  WarnNoImageReturn("\"%%[%s]\"",property);
3034  (void) GetImageRange(image,&minimum,&maximum,exception);
3035  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3036  GetMagickPrecision(),minimum);
3037  break;
3038  }
3039  break;
3040  }
3041  case 'o':
3042  {
3043  if (LocaleCompare("opaque",property) == 0)
3044  {
3045  WarnNoImageReturn("\"%%[%s]\"",property);
3046  string=CommandOptionToMnemonic(MagickBooleanOptions,(ssize_t)
3047  IsImageOpaque(image,exception));
3048  break;
3049  }
3050  if (LocaleCompare("orientation",property) == 0)
3051  {
3052  WarnNoImageReturn("\"%%[%s]\"",property);
3053  string=CommandOptionToMnemonic(MagickOrientationOptions,(ssize_t)
3054  image->orientation);
3055  break;
3056  }
3057  if (LocaleCompare("output",property) == 0)
3058  {
3059  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3060  (void) CopyMagickString(value,image_info->filename,MagickPathExtent);
3061  break;
3062  }
3063  break;
3064  }
3065  case 'p':
3066  {
3067  if (LocaleCompare("page",property) == 0)
3068  {
3069  WarnNoImageReturn("\"%%[%s]\"",property);
3070  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",
3071  (double) image->page.width,(double) image->page.height);
3072  break;
3073  }
3074 #if defined(MAGICKCORE_LCMS_DELEGATE)
3075  if (LocaleCompare("profile:icc",property) == 0 ||
3076  LocaleCompare("profile:icm",property) == 0)
3077  {
3078 #if !defined(LCMS_VERSION) || (LCMS_VERSION < 2000)
3079 #define cmsUInt32Number DWORD
3080 #endif
3081 
3082  const StringInfo
3083  *profile;
3084 
3085  cmsHPROFILE
3086  icc_profile;
3087 
3088  WarnNoImageReturn("\"%%[%s]\"",property);
3089  profile=GetImageProfile(image,property+8);
3090  if (profile == (StringInfo *) NULL)
3091  break;
3092  icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
3093  (cmsUInt32Number) GetStringInfoLength(profile));
3094  if (icc_profile != (cmsHPROFILE *) NULL)
3095  {
3096 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
3097  string=cmsTakeProductName(icc_profile);
3098 #else
3099  (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,
3100  "en","US",value,MagickPathExtent);
3101 #endif
3102  (void) cmsCloseProfile(icc_profile);
3103  }
3104  }
3105 #endif
3106  if (LocaleCompare("printsize.x",property) == 0)
3107  {
3108  WarnNoImageReturn("\"%%[%s]\"",property);
3109  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3110  GetMagickPrecision(),PerceptibleReciprocal(image->resolution.x)*
3111  image->columns);
3112  break;
3113  }
3114  if (LocaleCompare("printsize.y",property) == 0)
3115  {
3116  WarnNoImageReturn("\"%%[%s]\"",property);
3117  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3118  GetMagickPrecision(),PerceptibleReciprocal(image->resolution.y)*
3119  image->rows);
3120  break;
3121  }
3122  if (LocaleCompare("profiles",property) == 0)
3123  {
3124  const char
3125  *name;
3126 
3127  WarnNoImageReturn("\"%%[%s]\"",property);
3128  ResetImageProfileIterator(image);
3129  name=GetNextImageProfile(image);
3130  if (name != (char *) NULL)
3131  {
3132  (void) CopyMagickString(value,name,MagickPathExtent);
3133  name=GetNextImageProfile(image);
3134  while (name != (char *) NULL)
3135  {
3136  ConcatenateMagickString(value,",",MagickPathExtent);
3137  ConcatenateMagickString(value,name,MagickPathExtent);
3138  name=GetNextImageProfile(image);
3139  }
3140  }
3141  break;
3142  }
3143  break;
3144  }
3145  case 'q':
3146  {
3147  if (LocaleCompare("quality",property) == 0)
3148  {
3149  WarnNoImageReturn("\"%%[%s]\"",property);
3150  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3151  image->quality);
3152  break;
3153  }
3154  break;
3155  }
3156  case 'r':
3157  {
3158  if (LocaleCompare("resolution.x",property) == 0)
3159  {
3160  WarnNoImageReturn("\"%%[%s]\"",property);
3161  (void) FormatLocaleString(value,MagickPathExtent,"%g",
3162  image->resolution.x);
3163  break;
3164  }
3165  if (LocaleCompare("resolution.y",property) == 0)
3166  {
3167  WarnNoImageReturn("\"%%[%s]\"",property);
3168  (void) FormatLocaleString(value,MagickPathExtent,"%g",
3169  image->resolution.y);
3170  break;
3171  }
3172  break;
3173  }
3174  case 's':
3175  {
3176  if (LocaleCompare("scene",property) == 0)
3177  {
3178  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3179  if (image_info->number_scenes != 0)
3180  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3181  image_info->scene);
3182  else {
3183  WarnNoImageReturn("\"%%[%s]\"",property);
3184  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3185  image->scene);
3186  }
3187  break;
3188  }
3189  if (LocaleCompare("scenes",property) == 0)
3190  {
3191  /* FUTURE: equivelent to %n? */
3192  WarnNoImageReturn("\"%%[%s]\"",property);
3193  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3194  GetImageListLength(image));
3195  break;
3196  }
3197  if (LocaleCompare("size",property) == 0)
3198  {
3199  WarnNoImageReturn("\"%%[%s]\"",property);
3200  (void) FormatMagickSize(GetBlobSize(image),MagickFalse,"B",
3201  MagickPathExtent,value);
3202  break;
3203  }
3204  if (LocaleCompare("skewness",property) == 0)
3205  {
3206  double
3207  kurtosis,
3208  skewness;
3209 
3210  WarnNoImageReturn("\"%%[%s]\"",property);
3211  (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
3212  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3213  GetMagickPrecision(),skewness);
3214  break;
3215  }
3216  if (LocaleCompare("standard-deviation",property) == 0)
3217  {
3218  double
3219  mean,
3220  standard_deviation;
3221 
3222  WarnNoImageReturn("\"%%[%s]\"",property);
3223  (void) GetImageMean(image,&mean,&standard_deviation,exception);
3224  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3225  GetMagickPrecision(),standard_deviation);
3226  break;
3227  }
3228  break;
3229  }
3230  case 't':
3231  {
3232  if (LocaleCompare("type",property) == 0)
3233  {
3234  WarnNoImageReturn("\"%%[%s]\"",property);
3235  string=CommandOptionToMnemonic(MagickTypeOptions,(ssize_t)
3236  IdentifyImageType(image,exception));
3237  break;
3238  }
3239  break;
3240  }
3241  case 'u':
3242  {
3243  if (LocaleCompare("unique",property) == 0)
3244  {
3245  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3246  string=image_info->unique;
3247  break;
3248  }
3249  if (LocaleCompare("units",property) == 0)
3250  {
3251  WarnNoImageReturn("\"%%[%s]\"",property);
3252  string=CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
3253  image->units);
3254  break;
3255  }
3256  break;
3257  }
3258  case 'v':
3259  {
3260  if (LocaleCompare("version",property) == 0)
3261  {
3262  string=GetMagickVersion((size_t *) NULL);
3263  break;
3264  }
3265  break;
3266  }
3267  case 'w':
3268  {
3269  if (LocaleCompare("width",property) == 0)
3270  {
3271  WarnNoImageReturn("\"%%[%s]\"",property);
3272  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3273  (image->magick_columns != 0 ? image->magick_columns : 256));
3274  break;
3275  }
3276  break;
3277  }
3278  }
3279  if (string != (char *) NULL)
3280  return(string);
3281  if (*value != '\0')
3282  {
3283  /*
3284  Create a cloned copy of result, that will get cleaned up, eventually.
3285  */
3286  if (image != (Image *) NULL)
3287  {
3288  (void) SetImageArtifact(image,"get-property",value);
3289  return(GetImageArtifact(image,"get-property"));
3290  }
3291  else
3292  {
3293  (void) SetImageOption(image_info,"get-property",value);
3294  return(GetImageOption(image_info,"get-property"));
3295  }
3296  }
3297  return((char *) NULL);
3298 }
3299 #undef WarnNoImageReturn
3300 
3301 /*
3302 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3303 % %
3304 % %
3305 % %
3306 % G e t N e x t I m a g e P r o p e r t y %
3307 % %
3308 % %
3309 % %
3310 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3311 %
3312 % GetNextImageProperty() gets the next free-form string property name.
3313 %
3314 % The format of the GetNextImageProperty method is:
3315 %
3316 % char *GetNextImageProperty(const Image *image)
3317 %
3318 % A description of each parameter follows:
3319 %
3320 % o image: the image.
3321 %
3322 */
3323 MagickExport const char *GetNextImageProperty(const Image *image)
3324 {
3325  assert(image != (Image *) NULL);
3326  assert(image->signature == MagickCoreSignature);
3327  if (image->debug != MagickFalse)
3328  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3329  image->filename);
3330  if (image->properties == (void *) NULL)
3331  return((const char *) NULL);
3332  return((const char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->properties));
3333 }
3334 
3335 /*
3336 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3337 % %
3338 % %
3339 % %
3340 % I n t e r p r e t I m a g e P r o p e r t i e s %
3341 % %
3342 % %
3343 % %
3344 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3345 %
3346 % InterpretImageProperties() replaces any embedded formatting characters with
3347 % the appropriate image property and returns the interpreted text.
3348 %
3349 % This searches for and replaces
3350 % \n \r \% replaced by newline, return, and percent resp.
3351 % &lt; &gt; &amp; replaced by '<', '>', '&' resp.
3352 % %% replaced by percent
3353 %
3354 % %x %[x] where 'x' is a single letter properity, case sensitive).
3355 % %[type:name] where 'type' a is special and known prefix.
3356 % %[name] where 'name' is a specifically known attribute, calculated
3357 % value, or a per-image property string name, or a per-image
3358 % 'artifact' (as generated from a global option).
3359 % It may contain ':' as long as the prefix is not special.
3360 %
3361 % Single letter % substitutions will only happen if the character before the
3362 % percent is NOT a number. But braced substitutions will always be performed.
3363 % This prevents the typical usage of percent in a interpreted geometry
3364 % argument from being substituted when the percent is a geometry flag.
3365 %
3366 % If 'glob-expresions' ('*' or '?' characters) is used for 'name' it may be
3367 % used as a search pattern to print multiple lines of "name=value\n" pairs of
3368 % the associacted set of properties.
3369 %
3370 % The returned string must be freed using DestoryString() by the caller.
3371 %
3372 % The format of the InterpretImageProperties method is:
3373 %
3374 % char *InterpretImageProperties(ImageInfo *image_info,
3375 % Image *image,const char *embed_text,ExceptionInfo *exception)
3376 %
3377 % A description of each parameter follows:
3378 %
3379 % o image_info: the image info. (required)
3380 %
3381 % o image: the image. (optional)
3382 %
3383 % o embed_text: the address of a character string containing the embedded
3384 % formatting characters.
3385 %
3386 % o exception: return any errors or warnings in this structure.
3387 %
3388 */
3389 MagickExport char *InterpretImageProperties(ImageInfo *image_info,Image *image,
3390  const char *embed_text,ExceptionInfo *exception)
3391 {
3392 #define ExtendInterpretText(string_length) \
3393 DisableMSCWarning(4127) \
3394 { \
3395  size_t length=(string_length); \
3396  if ((size_t) (q-interpret_text+length+1) >= extent) \
3397  { \
3398  extent+=length; \
3399  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3400  MaxTextExtent,sizeof(*interpret_text)); \
3401  if (interpret_text == (char *) NULL) \
3402  { \
3403  if (property_image != image) \
3404  property_image=DestroyImage(property_image); \
3405  if (property_info != image_info) \
3406  property_info=DestroyImageInfo(property_info); \
3407  return((char *) NULL); \
3408  } \
3409  q=interpret_text+strlen(interpret_text); \
3410  } \
3411 } \
3412 RestoreMSCWarning
3413 
3414 #define AppendKeyValue2Text(key,value)\
3415 DisableMSCWarning(4127) \
3416 { \
3417  size_t length=strlen(key)+strlen(value)+2; \
3418  if ((size_t) (q-interpret_text+length+1) >= extent) \
3419  { \
3420  extent+=length; \
3421  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3422  MaxTextExtent,sizeof(*interpret_text)); \
3423  if (interpret_text == (char *) NULL) \
3424  { \
3425  if (property_image != image) \
3426  property_image=DestroyImage(property_image); \
3427  if (property_info != image_info) \
3428  property_info=DestroyImageInfo(property_info); \
3429  return((char *) NULL); \
3430  } \
3431  q=interpret_text+strlen(interpret_text); \
3432  } \
3433  q+=FormatLocaleString(q,extent,"%s=%s\n",(key),(value)); \
3434 } \
3435 RestoreMSCWarning
3436 
3437 #define AppendString2Text(string) \
3438 DisableMSCWarning(4127) \
3439 { \
3440  size_t length=strlen((string)); \
3441  if ((size_t) (q-interpret_text+length+1) >= extent) \
3442  { \
3443  extent+=length; \
3444  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3445  MaxTextExtent,sizeof(*interpret_text)); \
3446  if (interpret_text == (char *) NULL) \
3447  { \
3448  if (property_image != image) \
3449  property_image=DestroyImage(property_image); \
3450  if (property_info != image_info) \
3451  property_info=DestroyImageInfo(property_info); \
3452  return((char *) NULL); \
3453  } \
3454  q=interpret_text+strlen(interpret_text); \
3455  } \
3456  (void) CopyMagickString(q,(string),extent); \
3457  q+=length; \
3458 } \
3459 RestoreMSCWarning
3460 
3461  char
3462  *interpret_text;
3463 
3464  Image
3465  *property_image;
3466 
3467  ImageInfo
3468  *property_info;
3469 
3470  MagickBooleanType
3471  number;
3472 
3473  register char
3474  *q; /* current position in interpret_text */
3475 
3476  register const char
3477  *p; /* position in embed_text string being expanded */
3478 
3479  size_t
3480  extent; /* allocated length of interpret_text */
3481 
3482  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
3483  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3484  else
3485  if ((image_info != (ImageInfo *) NULL) && (image_info->debug != MagickFalse))
3486  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3487  image_info->filename);
3488  else
3489  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no image");
3490  if (embed_text == (const char *) NULL)
3491  return(ConstantString(""));
3492  p=embed_text;
3493  while ((isspace((int) ((unsigned char) *p)) != 0) && (*p != '\0'))
3494  p++;
3495  if (*p == '\0')
3496  return(ConstantString(""));
3497  if ((*p == '@') && (IsPathAccessible(p+1) != MagickFalse))
3498  {
3499  /*
3500  Handle a '@' replace string from file.
3501  */
3502  if (IsRightsAuthorized(PathPolicyDomain,ReadPolicyRights,p) == MagickFalse)
3503  {
3504  errno=EPERM;
3505  (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
3506  "NotAuthorized","`%s'",p);
3507  return(ConstantString(""));
3508  }
3509  interpret_text=FileToString(p+1,~0UL,exception);
3510  if (interpret_text != (char *) NULL)
3511  return(interpret_text);
3512  }
3513  /*
3514  Translate any embedded format characters.
3515  */
3516  if (image_info != (ImageInfo *) NULL)
3517  property_info=image_info;
3518  else
3519  property_info=CloneImageInfo(image_info);
3520  if ((image != (Image *) NULL) && (image->columns != 0) && (image->rows != 0))
3521  property_image=image;
3522  else
3523  {
3524  property_image=AcquireImage(image_info,exception);
3525  (void) SetImageExtent(property_image,1,1,exception);
3526  (void) SetImageBackgroundColor(property_image,exception);
3527  }
3528  interpret_text=AcquireString(embed_text); /* new string with extra space */
3529  extent=MagickPathExtent; /* allocated space in string */
3530  number=MagickFalse; /* is last char a number? */
3531  for (q=interpret_text; *p!='\0'; number=isdigit((int) ((unsigned char) *p)) ? MagickTrue : MagickFalse,p++)
3532  {
3533  /*
3534  Look for the various escapes, (and handle other specials)
3535  */
3536  *q='\0';
3537  ExtendInterpretText(MagickPathExtent);
3538  switch (*p)
3539  {
3540  case '\\':
3541  {
3542  switch (*(p+1))
3543  {
3544  case '\0':
3545  continue;
3546  case 'r': /* convert to RETURN */
3547  {
3548  *q++='\r';
3549  p++;
3550  continue;
3551  }
3552  case 'n': /* convert to NEWLINE */
3553  {
3554  *q++='\n';
3555  p++;
3556  continue;
3557  }
3558  case '\n': /* EOL removal UNIX,MacOSX */
3559  {
3560  p++;
3561  continue;
3562  }
3563  case '\r': /* EOL removal DOS,Windows */
3564  {
3565  p++;
3566  if (*p == '\n') /* return-newline EOL */
3567  p++;
3568  continue;
3569  }
3570  default:
3571  {
3572  p++;
3573  *q++=(*p);
3574  }
3575  }
3576  continue;
3577  }
3578  case '&':
3579  {
3580  if (LocaleNCompare("&lt;",p,4) == 0)
3581  {
3582  *q++='<';
3583  p+=3;
3584  }
3585  else
3586  if (LocaleNCompare("&gt;",p,4) == 0)
3587  {
3588  *q++='>';
3589  p+=3;
3590  }
3591  else
3592  if (LocaleNCompare("&amp;",p,5) == 0)
3593  {
3594  *q++='&';
3595  p+=4;
3596  }
3597  else
3598  *q++=(*p);
3599  continue;
3600  }
3601  case '%':
3602  break; /* continue to next set of handlers */
3603  default:
3604  {
3605  *q++=(*p); /* any thing else is 'as normal' */
3606  continue;
3607  }
3608  }
3609  p++; /* advance beyond the percent */
3610  /*
3611  Doubled Percent - or percent at end of string.
3612  */
3613  if ((*p == '\0') || (*p == '\'') || (*p == '"'))
3614  p--;
3615  if (*p == '%')
3616  {
3617  *q++='%';
3618  continue;
3619  }
3620  /*
3621  Single letter escapes %c.
3622  */
3623  if (*p != '[')
3624  {
3625  const char
3626  *string;
3627 
3628  if (number != MagickFalse)
3629  {
3630  /*
3631  But only if not preceeded by a number!
3632  */
3633  *q++='%'; /* do NOT substitute the percent */
3634  p--; /* back up one */
3635  continue;
3636  }
3637  string=GetMagickPropertyLetter(property_info,image,*p,exception);
3638  if (string != (char *) NULL)
3639  {
3640  AppendString2Text(string);
3641  (void) DeleteImageArtifact(property_image,"get-property");
3642  (void) DeleteImageOption(property_info,"get-property");
3643  continue;
3644  }
3645  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3646  "UnknownImageProperty","\"%%%c\"",*p);
3647  continue;
3648  }
3649  {
3650  char
3651  pattern[2*MagickPathExtent];
3652 
3653  const char
3654  *key,
3655  *string;
3656 
3657  register ssize_t
3658  len;
3659 
3660  ssize_t
3661  depth;
3662 
3663  /*
3664  Braced Percent Escape %[...].
3665  */
3666  p++; /* advance p to just inside the opening brace */
3667  depth=1;
3668  if (*p == ']')
3669  {
3670  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3671  "UnknownImageProperty","\"%%[]\"");
3672  break;
3673  }
3674  for (len=0; len < (MagickPathExtent-1L) && (*p != '\0'); )
3675  {
3676  if ((*p == '\\') && (*(p+1) != '\0'))
3677  {
3678  /*
3679  Skip escaped braces within braced pattern.
3680  */
3681  pattern[len++]=(*p++);
3682  pattern[len++]=(*p++);
3683  continue;
3684  }
3685  if (*p == '[')
3686  depth++;
3687  if (*p == ']')
3688  depth--;
3689  if (depth <= 0)
3690  break;
3691  pattern[len++]=(*p++);
3692  }
3693  pattern[len]='\0';
3694  if (depth != 0)
3695  {
3696  /*
3697  Check for unmatched final ']' for "%[...]".
3698  */
3699  if (len >= 64)
3700  {
3701  pattern[61] = '.'; /* truncate string for error message */
3702  pattern[62] = '.';
3703  pattern[63] = '.';
3704  pattern[64] = '\0';
3705  }
3706  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
3707  "UnbalancedBraces","\"%%[%s\"",pattern);
3708  interpret_text=DestroyString(interpret_text);
3709  if (property_image != image)
3710  property_image=DestroyImage(property_image);
3711  if (property_info != image_info)
3712  property_info=DestroyImageInfo(property_info);
3713  return((char *) NULL);
3714  }
3715  /*
3716  Special Lookup Prefixes %[prefix:...].
3717  */
3718  if (LocaleNCompare("fx:",pattern,3) == 0)
3719  {
3720  double
3721  value;
3722 
3723  FxInfo
3724  *fx_info;
3725 
3726  MagickBooleanType
3727  status;
3728 
3729  /*
3730  FX - value calculator.
3731  */
3732  fx_info=AcquireFxInfo(property_image,pattern+3,exception);
3733  status=FxEvaluateChannelExpression(fx_info,CompositePixelChannel,0,0,
3734  &value,exception);
3735  fx_info=DestroyFxInfo(fx_info);
3736  if (status != MagickFalse)
3737  {
3738  char
3739  result[MagickPathExtent];
3740 
3741  (void) FormatLocaleString(result,MagickPathExtent,"%.*g",
3742  GetMagickPrecision(),(double) value);
3743  AppendString2Text(result);
3744  }
3745  continue;
3746  }
3747  if (LocaleNCompare("hex:",pattern,4) == 0)
3748  {
3749  double
3750  value;
3751 
3752  FxInfo
3753  *fx_info;
3754 
3755  MagickStatusType
3756  status;
3757 
3758  PixelInfo
3759  pixel;
3760 
3761  /*
3762  Pixel - color value calculator.
3763  */
3764  GetPixelInfo(property_image,&pixel);
3765  fx_info=AcquireFxInfo(property_image,pattern+4,exception);
3766  status=FxEvaluateChannelExpression(fx_info,RedPixelChannel,0,0,
3767  &value,exception);
3768  pixel.red=(double) QuantumRange*value;
3769  status&=FxEvaluateChannelExpression(fx_info,GreenPixelChannel,0,0,
3770  &value,exception);
3771  pixel.green=(double) QuantumRange*value;
3772  status&=FxEvaluateChannelExpression(fx_info,BluePixelChannel,0,0,
3773  &value,exception);
3774  pixel.blue=(double) QuantumRange*value;
3775  if (property_image->colorspace == CMYKColorspace)
3776  {
3777  status&=FxEvaluateChannelExpression(fx_info,BlackPixelChannel,0,0,
3778  &value,exception);
3779  pixel.black=(double) QuantumRange*value;
3780  }
3781  status&=FxEvaluateChannelExpression(fx_info,AlphaPixelChannel,0,0,
3782  &value,exception);
3783  pixel.alpha=(double) QuantumRange*value;
3784  fx_info=DestroyFxInfo(fx_info);
3785  if (status != MagickFalse)
3786  {
3787  char
3788  hex[MagickPathExtent],
3789  name[MagickPathExtent];
3790 
3791  (void) QueryColorname(property_image,&pixel,SVGCompliance,name,
3792  exception);
3793  GetColorTuple(&pixel,MagickTrue,hex);
3794  AppendString2Text(hex+1);
3795  }
3796  continue;
3797  }
3798  if (LocaleNCompare("pixel:",pattern,6) == 0)
3799  {
3800  double
3801  value;
3802 
3803  FxInfo
3804  *fx_info;
3805 
3806  MagickStatusType
3807  status;
3808 
3809  PixelInfo
3810  pixel;
3811 
3812  /*
3813  Pixel - color value calculator.
3814  */
3815  GetPixelInfo(property_image,&pixel);
3816  fx_info=AcquireFxInfo(property_image,pattern+6,exception);
3817  status=FxEvaluateChannelExpression(fx_info,RedPixelChannel,0,0,
3818  &value,exception);
3819  pixel.red=(double) QuantumRange*value;
3820  status&=FxEvaluateChannelExpression(fx_info,GreenPixelChannel,0,0,
3821  &value,exception);
3822  pixel.green=(double) QuantumRange*value;
3823  status&=FxEvaluateChannelExpression(fx_info,BluePixelChannel,0,0,
3824  &value,exception);
3825  pixel.blue=(double) QuantumRange*value;
3826  if (property_image->colorspace == CMYKColorspace)
3827  {
3828  status&=FxEvaluateChannelExpression(fx_info,BlackPixelChannel,0,0,
3829  &value,exception);
3830  pixel.black=(double) QuantumRange*value;
3831  }
3832  status&=FxEvaluateChannelExpression(fx_info,AlphaPixelChannel,0,0,
3833  &value,exception);
3834  pixel.alpha=(double) QuantumRange*value;
3835  fx_info=DestroyFxInfo(fx_info);
3836  if (status != MagickFalse)
3837  {
3838  char
3839  name[MagickPathExtent];
3840 
3841  (void) QueryColorname(property_image,&pixel,SVGCompliance,name,
3842  exception);
3843  AppendString2Text(name);
3844  }
3845  continue;
3846  }
3847  if (LocaleNCompare("option:",pattern,7) == 0)
3848  {
3849  /*
3850  Option - direct global option lookup (with globbing).
3851  */
3852  if (IsGlob(pattern+7) != MagickFalse)
3853  {
3854  ResetImageOptionIterator(property_info);
3855  while ((key=GetNextImageOption(property_info)) != (const char *) NULL)
3856  if (GlobExpression(key,pattern+7,MagickTrue) != MagickFalse)
3857  {
3858  string=GetImageOption(property_info,key);
3859  if (string != (const char *) NULL)
3860  AppendKeyValue2Text(key,string);
3861  /* else - assertion failure? key found but no string value! */
3862  }
3863  continue;
3864  }
3865  string=GetImageOption(property_info,pattern+7);
3866  if (string == (char *) NULL)
3867  goto PropertyLookupFailure; /* no artifact of this specifc name */
3868  AppendString2Text(string);
3869  continue;
3870  }
3871  if (LocaleNCompare("artifact:",pattern,9) == 0)
3872  {
3873  /*
3874  Artifact - direct image artifact lookup (with glob).
3875  */
3876  if (IsGlob(pattern+9) != MagickFalse)
3877  {
3878  ResetImageArtifactIterator(property_image);
3879  while ((key=GetNextImageArtifact(property_image)) != (const char *) NULL)
3880  if (GlobExpression(key,pattern+9,MagickTrue) != MagickFalse)
3881  {
3882  string=GetImageArtifact(property_image,key);
3883  if (string != (const char *) NULL)
3884  AppendKeyValue2Text(key,string);
3885  /* else - assertion failure? key found but no string value! */
3886  }
3887  continue;
3888  }
3889  string=GetImageArtifact(property_image,pattern+9);
3890  if (string == (char *) NULL)
3891  goto PropertyLookupFailure; /* no artifact of this specifc name */
3892  AppendString2Text(string);
3893  continue;
3894  }
3895  if (LocaleNCompare("property:",pattern,9) == 0)
3896  {
3897  /*
3898  Property - direct image property lookup (with glob).
3899  */
3900  if (IsGlob(pattern+9) != MagickFalse)
3901  {
3902  ResetImagePropertyIterator(property_image);
3903  while ((key=GetNextImageProperty(property_image)) != (const char *) NULL)
3904  if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3905  {
3906  string=GetImageProperty(property_image,key,exception);
3907  if (string != (const char *) NULL)
3908  AppendKeyValue2Text(key,string);
3909  /* else - assertion failure? */
3910  }
3911  continue;
3912  }
3913  string=GetImageProperty(property_image,pattern+9,exception);
3914  if (string == (char *) NULL)
3915  goto PropertyLookupFailure; /* no artifact of this specifc name */
3916  AppendString2Text(string);
3917  continue;
3918  }
3919  /*
3920  Properties without special prefix. This handles attributes,
3921  properties, and profiles such as %[exif:...]. Note the profile
3922  properties may also include a glob expansion pattern.
3923  */
3924  string=GetImageProperty(property_image,pattern,exception);
3925  if (string != (const char *) NULL)
3926  {
3927  AppendString2Text(string);
3928  (void)DeleteImageArtifact(property_image,"get-property");
3929  (void)DeleteImageOption(property_info,"get-property");
3930  continue;
3931  }
3932  if (IsGlob(pattern) != MagickFalse)
3933  {
3934  /*
3935  Handle property 'glob' patterns such as:
3936  %[*] %[user:array_??] %[filename:e*]>
3937  */
3938  ResetImagePropertyIterator(property_image);
3939  while ((key=GetNextImageProperty(property_image)) != (const char *) NULL)
3940  if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3941  {
3942  string=GetImageProperty(property_image,key,exception);
3943  if (string != (const char *) NULL)
3944  AppendKeyValue2Text(key,string);
3945  /* else - assertion failure? */
3946  }
3947  continue;
3948  }
3949  /*
3950  Look for a known property or image attribute such as
3951  %[basename] %[denisty] %[delay]. Also handles a braced single
3952  letter: %[b] %[G] %[g].
3953  */
3954  string=GetMagickProperty(property_info,property_image,pattern,exception);
3955  if (string != (const char *) NULL)
3956  {
3957  AppendString2Text(string);
3958  continue;
3959  }
3960  /*
3961  Look for a per-image artifact. This includes option lookup
3962  (FUTURE: interpreted according to image).
3963  */
3964  string=GetImageArtifact(property_image,pattern);
3965  if (string != (char *) NULL)
3966  {
3967  AppendString2Text(string);
3968  continue;
3969  }
3970  /*
3971  No image, so direct 'option' lookup (no delayed percent escapes).
3972  */
3973  string=GetImageOption(property_info,pattern);
3974  if (string != (char *) NULL)
3975  {
3976  AppendString2Text(string);
3977  continue;
3978  }
3979 PropertyLookupFailure:
3980  /*
3981  Failed to find any match anywhere!
3982  */
3983  if (len >= 64)
3984  {
3985  pattern[61] = '.'; /* truncate string for error message */
3986  pattern[62] = '.';
3987  pattern[63] = '.';
3988  pattern[64] = '\0';
3989  }
3990  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3991  "UnknownImageProperty","\"%%[%s]\"",pattern);
3992  }
3993  }
3994  *q='\0';
3995  if (property_image != image)
3996  property_image=DestroyImage(property_image);
3997  if (property_info != image_info)
3998  property_info=DestroyImageInfo(property_info);
3999  return(interpret_text);
4000 }
4001 
4002 /*
4003 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4004 % %
4005 % %
4006 % %
4007 % R e m o v e I m a g e P r o p e r t y %
4008 % %
4009 % %
4010 % %
4011 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4012 %
4013 % RemoveImageProperty() removes a property from the image and returns its
4014 % value.
4015 %
4016 % In this case the ConstantString() value returned should be freed by the
4017 % caller when finished.
4018 %
4019 % The format of the RemoveImageProperty method is:
4020 %
4021 % char *RemoveImageProperty(Image *image,const char *property)
4022 %
4023 % A description of each parameter follows:
4024 %
4025 % o image: the image.
4026 %
4027 % o property: the image property.
4028 %
4029 */
4030 MagickExport char *RemoveImageProperty(Image *image,const char *property)
4031 {
4032  char
4033  *value;
4034 
4035  assert(image != (Image *) NULL);
4036  assert(image->signature == MagickCoreSignature);
4037  if (image->debug != MagickFalse)
4038  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4039  if (image->properties == (void *) NULL)
4040  return((char *) NULL);
4041  value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->properties,
4042  property);
4043  return(value);
4044 }
4045 
4046 /*
4047 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4048 % %
4049 % %
4050 % %
4051 % R e s e t I m a g e P r o p e r t y I t e r a t o r %
4052 % %
4053 % %
4054 % %
4055 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4056 %
4057 % ResetImagePropertyIterator() resets the image properties iterator. Use it
4058 % in conjunction with GetNextImageProperty() to iterate over all the values
4059 % associated with an image property.
4060 %
4061 % The format of the ResetImagePropertyIterator method is:
4062 %
4063 % ResetImagePropertyIterator(Image *image)
4064 %
4065 % A description of each parameter follows:
4066 %
4067 % o image: the image.
4068 %
4069 */
4070 MagickExport void ResetImagePropertyIterator(const Image *image)
4071 {
4072  assert(image != (Image *) NULL);
4073  assert(image->signature == MagickCoreSignature);
4074  if (image->debug != MagickFalse)
4075  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4076  if (image->properties == (void *) NULL)
4077  return;
4078  ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
4079 }
4080 
4081 /*
4082 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4083 % %
4084 % %
4085 % %
4086 % S e t I m a g e P r o p e r t y %
4087 % %
4088 % %
4089 % %
4090 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4091 %
4092 % SetImageProperty() saves the given string value either to specific known
4093 % attribute or to a freeform property string.
4094 %
4095 % Attempting to set a property that is normally calculated will produce
4096 % an exception.
4097 %
4098 % The format of the SetImageProperty method is:
4099 %
4100 % MagickBooleanType SetImageProperty(Image *image,const char *property,
4101 % const char *value,ExceptionInfo *exception)
4102 %
4103 % A description of each parameter follows:
4104 %
4105 % o image: the image.
4106 %
4107 % o property: the image property.
4108 %
4109 % o values: the image property values.
4110 %
4111 % o exception: return any errors or warnings in this structure.
4112 %
4113 */
4114 MagickExport MagickBooleanType SetImageProperty(Image *image,
4115  const char *property,const char *value,ExceptionInfo *exception)
4116 {
4117  MagickBooleanType
4118  status;
4119 
4120  MagickStatusType
4121  flags;
4122 
4123  assert(image != (Image *) NULL);
4124  assert(image->signature == MagickCoreSignature);
4125  if (image->debug != MagickFalse)
4126  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4127  if (image->properties == (void *) NULL)
4128  image->properties=NewSplayTree(CompareSplayTreeString,
4129  RelinquishMagickMemory,RelinquishMagickMemory); /* create splay-tree */
4130  if (value == (const char *) NULL)
4131  return(DeleteImageProperty(image,property)); /* delete if NULL */
4132  status=MagickTrue;
4133  if (strlen(property) <= 1)
4134  {
4135  /*
4136  Do not 'set' single letter properties - read only shorthand.
4137  */
4138  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4139  "SetReadOnlyProperty","`%s'",property);
4140  return(MagickFalse);
4141  }
4142 
4143  /* FUTURE: binary chars or quotes in key should produce a error */
4144  /* Set attributes with known names or special prefixes
4145  return result is found, or break to set a free form properity
4146  */
4147  switch (*property)
4148  {
4149 #if 0 /* Percent escape's sets values with this prefix: for later use
4150  Throwing an exception causes this setting to fail */
4151  case '8':
4152  {
4153  if (LocaleNCompare("8bim:",property,5) == 0)
4154  {
4155  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4156  "SetReadOnlyProperty","`%s'",property);
4157  return(MagickFalse);
4158  }
4159  break;
4160  }
4161 #endif
4162  case 'B':
4163  case 'b':
4164  {
4165  if (LocaleCompare("background",property) == 0)
4166  {
4167  (void) QueryColorCompliance(value,AllCompliance,
4168  &image->background_color,exception);
4169  /* check for FUTURE: value exception?? */
4170  /* also add user input to splay tree */
4171  }
4172  break; /* not an attribute, add as a property */
4173  }
4174  case 'C':
4175  case 'c':
4176  {
4177  if (LocaleCompare("channels",property) == 0)
4178  {
4179  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4180  "SetReadOnlyProperty","`%s'",property);
4181  return(MagickFalse);
4182  }
4183  if (LocaleCompare("colorspace",property) == 0)
4184  {
4185  ssize_t
4186  colorspace;
4187 
4188  colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
4189  value);
4190  if (colorspace < 0)
4191  return(MagickFalse); /* FUTURE: value exception?? */
4192  return(SetImageColorspace(image,(ColorspaceType) colorspace,exception));
4193  }
4194  if (LocaleCompare("compose",property) == 0)
4195  {
4196  ssize_t
4197  compose;
4198 
4199  compose=ParseCommandOption(MagickComposeOptions,MagickFalse,value);
4200  if (compose < 0)
4201  return(MagickFalse); /* FUTURE: value exception?? */
4202  image->compose=(CompositeOperator) compose;
4203  return(MagickTrue);
4204  }
4205  if (LocaleCompare("compress",property) == 0)
4206  {
4207  ssize_t
4208  compression;
4209 
4210  compression=ParseCommandOption(MagickCompressOptions,MagickFalse,
4211  value);
4212  if (compression < 0)
4213  return(MagickFalse); /* FUTURE: value exception?? */
4214  image->compression=(CompressionType) compression;
4215  return(MagickTrue);
4216  }
4217  break; /* not an attribute, add as a property */
4218  }
4219  case 'D':
4220  case 'd':
4221  {
4222  if (LocaleCompare("delay",property) == 0)
4223  {
4224  GeometryInfo
4225  geometry_info;
4226 
4227  flags=ParseGeometry(value,&geometry_info);
4228  if ((flags & GreaterValue) != 0)
4229  {
4230  if (image->delay > (size_t) floor(geometry_info.rho+0.5))
4231  image->delay=(size_t) floor(geometry_info.rho+0.5);
4232  }
4233  else
4234  if ((flags & LessValue) != 0)
4235  {
4236  if (image->delay < (size_t) floor(geometry_info.rho+0.5))
4237  image->delay=(ssize_t)
4238  floor(geometry_info.sigma+0.5);
4239  }
4240  else
4241  image->delay=(size_t) floor(geometry_info.rho+0.5);
4242  if ((flags & SigmaValue) != 0)
4243  image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
4244  return(MagickTrue);
4245  }
4246  if (LocaleCompare("delay_units",property) == 0)
4247  {
4248  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4249  "SetReadOnlyProperty","`%s'",property);
4250  return(MagickFalse);
4251  }
4252  if (LocaleCompare("density",property) == 0)
4253  {
4254  GeometryInfo
4255  geometry_info;
4256 
4257  flags=ParseGeometry(value,&geometry_info);
4258  if ((flags & RhoValue) != 0)
4259  image->resolution.x=geometry_info.rho;
4260  image->resolution.y=image->resolution.x;
4261  if ((flags & SigmaValue) != 0)
4262  image->resolution.y=geometry_info.sigma;
4263  return(MagickTrue);
4264  }
4265  if (LocaleCompare("depth",property) == 0)
4266  {
4267  image->depth=StringToUnsignedLong(value);
4268  return(MagickTrue);
4269  }
4270  if (LocaleCompare("dispose",property) == 0)
4271  {
4272  ssize_t
4273  dispose;
4274 
4275  dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,value);
4276  if (dispose < 0)
4277  return(MagickFalse); /* FUTURE: value exception?? */
4278  image->dispose=(DisposeType) dispose;
4279  return(MagickTrue);
4280  }
4281  break; /* not an attribute, add as a property */
4282  }
4283 #if 0 /* Percent escape's sets values with this prefix: for later use
4284  Throwing an exception causes this setting to fail */
4285  case 'E':
4286  case 'e':
4287  {
4288  if (LocaleNCompare("exif:",property,5) == 0)
4289  {
4290  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4291  "SetReadOnlyProperty","`%s'",property);
4292  return(MagickFalse);
4293  }
4294  break; /* not an attribute, add as a property */
4295  }
4296  case 'F':
4297  case 'f':
4298  {
4299  if (LocaleNCompare("fx:",property,3) == 0)
4300  {
4301  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4302  "SetReadOnlyProperty","`%s'",property);
4303  return(MagickFalse);
4304  }
4305  break; /* not an attribute, add as a property */
4306  }
4307 #endif
4308  case 'G':
4309  case 'g':
4310  {
4311  if (LocaleCompare("gamma",property) == 0)
4312  {
4313  image->gamma=StringToDouble(value,(char **) NULL);
4314  return(MagickTrue);
4315  }
4316  if (LocaleCompare("gravity",property) == 0)
4317  {
4318  ssize_t
4319  gravity;
4320 
4321  gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,value);
4322  if (gravity < 0)
4323  return(MagickFalse); /* FUTURE: value exception?? */
4324  image->gravity=(GravityType) gravity;
4325  return(MagickTrue);
4326  }
4327  break; /* not an attribute, add as a property */
4328  }
4329  case 'H':
4330  case 'h':
4331  {
4332  if (LocaleCompare("height",property) == 0)
4333  {
4334  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4335  "SetReadOnlyProperty","`%s'",property);
4336  return(MagickFalse);
4337  }
4338  break; /* not an attribute, add as a property */
4339  }
4340  case 'I':
4341  case 'i':
4342  {
4343  if (LocaleCompare("intensity",property) == 0)
4344  {
4345  ssize_t
4346  intensity;
4347 
4348  intensity=ParseCommandOption(MagickIntentOptions,MagickFalse,value);
4349  if (intensity < 0)
4350  return(MagickFalse);
4351  image->intensity=(PixelIntensityMethod) intensity;
4352  return(MagickTrue);
4353  }
4354  if (LocaleCompare("intent",property) == 0)
4355  {
4356  ssize_t
4357  rendering_intent;
4358 
4359  rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4360  value);
4361  if (rendering_intent < 0)
4362  return(MagickFalse); /* FUTURE: value exception?? */
4363  image->rendering_intent=(RenderingIntent) rendering_intent;
4364  return(MagickTrue);
4365  }
4366  if (LocaleCompare("interpolate",property) == 0)
4367  {
4368  ssize_t
4369  interpolate;
4370 
4371  interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
4372  value);
4373  if (interpolate < 0)
4374  return(MagickFalse); /* FUTURE: value exception?? */
4375  image->interpolate=(PixelInterpolateMethod) interpolate;
4376  return(MagickTrue);
4377  }
4378 #if 0 /* Percent escape's sets values with this prefix: for later use
4379  Throwing an exception causes this setting to fail */
4380  if (LocaleNCompare("iptc:",property,5) == 0)
4381  {
4382  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4383  "SetReadOnlyProperty","`%s'",property);
4384  return(MagickFalse);
4385  }
4386 #endif
4387  break; /* not an attribute, add as a property */
4388  }
4389  case 'K':
4390  case 'k':
4391  if (LocaleCompare("kurtosis",property) == 0)
4392  {
4393  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4394  "SetReadOnlyProperty","`%s'",property);
4395  return(MagickFalse);
4396  }
4397  break; /* not an attribute, add as a property */
4398  case 'L':
4399  case 'l':
4400  {
4401  if (LocaleCompare("loop",property) == 0)
4402  {
4403  image->iterations=StringToUnsignedLong(value);
4404  return(MagickTrue);
4405  }
4406  break; /* not an attribute, add as a property */
4407  }
4408  case 'M':
4409  case 'm':
4410  if ((LocaleCompare("magick",property) == 0) ||
4411  (LocaleCompare("max",property) == 0) ||
4412  (LocaleCompare("mean",property) == 0) ||
4413  (LocaleCompare("min",property) == 0) ||
4414  (LocaleCompare("min",property) == 0))
4415  {
4416  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4417  "SetReadOnlyProperty","`%s'",property);
4418  return(MagickFalse);
4419  }
4420  break; /* not an attribute, add as a property */
4421  case 'O':
4422  case 'o':
4423  if (LocaleCompare("opaque",property) == 0)
4424  {
4425  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4426  "SetReadOnlyProperty","`%s'",property);
4427  return(MagickFalse);
4428  }
4429  break; /* not an attribute, add as a property */
4430  case 'P':
4431  case 'p':
4432  {
4433  if (LocaleCompare("page",property) == 0)
4434  {
4435  char
4436  *geometry;
4437 
4438  geometry=GetPageGeometry(value);
4439  flags=ParseAbsoluteGeometry(geometry,&image->page);
4440  geometry=DestroyString(geometry);
4441  return(MagickTrue);
4442  }
4443 #if 0 /* Percent escape's sets values with this prefix: for later use
4444  Throwing an exception causes this setting to fail */
4445  if (LocaleNCompare("pixel:",property,6) == 0)
4446  {
4447  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4448  "SetReadOnlyProperty","`%s'",property);
4449  return(MagickFalse);
4450  }
4451 #endif
4452  if (LocaleCompare("profile",property) == 0)
4453  {
4454  ImageInfo
4455  *image_info;
4456 
4457  StringInfo
4458  *profile;
4459 
4460  image_info=AcquireImageInfo();
4461  (void) CopyMagickString(image_info->filename,value,MagickPathExtent);
4462  (void) SetImageInfo(image_info,1,exception);
4463  profile=FileToStringInfo(image_info->filename,~0UL,exception);
4464  if (profile != (StringInfo *) NULL)
4465  status=SetImageProfile(image,image_info->magick,profile,exception);
4466  image_info=DestroyImageInfo(image_info);
4467  return(MagickTrue);
4468  }
4469  break; /* not an attribute, add as a property */
4470  }
4471  case 'R':
4472  case 'r':
4473  {
4474  if (LocaleCompare("rendering-intent",property) == 0)
4475  {
4476  ssize_t
4477  rendering_intent;
4478 
4479  rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4480  value);
4481  if (rendering_intent < 0)
4482  return(MagickFalse); /* FUTURE: value exception?? */
4483  image->rendering_intent=(RenderingIntent) rendering_intent;
4484  return(MagickTrue);
4485  }
4486  break; /* not an attribute, add as a property */
4487  }
4488  case 'S':
4489  case 's':
4490  if ((LocaleCompare("size",property) == 0) ||
4491  (LocaleCompare("skewness",property) == 0) ||
4492  (LocaleCompare("scenes",property) == 0) ||
4493  (LocaleCompare("standard-deviation",property) == 0))
4494  {
4495  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4496  "SetReadOnlyProperty","`%s'",property);
4497  return(MagickFalse);
4498  }
4499  break; /* not an attribute, add as a property */
4500  case 'T':
4501  case 't':
4502  {
4503  if (LocaleCompare("tile-offset",property) == 0)
4504  {
4505  char
4506  *geometry;
4507 
4508  geometry=GetPageGeometry(value);
4509  flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
4510  geometry=DestroyString(geometry);
4511  return(MagickTrue);
4512  }
4513  break; /* not an attribute, add as a property */
4514  }
4515  case 'U':
4516  case 'u':
4517  {
4518  if (LocaleCompare("units",property) == 0)
4519  {
4520  ssize_t
4521  units;
4522 
4523  units=ParseCommandOption(MagickResolutionOptions,MagickFalse,value);
4524  if (units < 0)
4525  return(MagickFalse); /* FUTURE: value exception?? */
4526  image->units=(ResolutionType) units;
4527  return(MagickTrue);
4528  }
4529  break; /* not an attribute, add as a property */
4530  }
4531  case 'V':
4532  case 'v':
4533  {
4534  if (LocaleCompare("version",property) == 0)
4535  {
4536  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4537  "SetReadOnlyProperty","`%s'",property);
4538  return(MagickFalse);
4539  }
4540  break; /* not an attribute, add as a property */
4541  }
4542  case 'W':
4543  case 'w':
4544  {
4545  if (LocaleCompare("width",property) == 0)
4546  {
4547  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4548  "SetReadOnlyProperty","`%s'",property);
4549  return(MagickFalse);
4550  }
4551  break; /* not an attribute, add as a property */
4552  }
4553 #if 0 /* Percent escape's sets values with this prefix: for later use
4554  Throwing an exception causes this setting to fail */
4555  case 'X':
4556  case 'x':
4557  {
4558  if (LocaleNCompare("xmp:",property,4) == 0)
4559  {
4560  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4561  "SetReadOnlyProperty","`%s'",property);
4562  return(MagickFalse);
4563  }
4564  break; /* not an attribute, add as a property */
4565  }
4566 #endif
4567  }
4568  /* Default: not an attribute, add as a property */
4569  status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
4570  ConstantString(property),ConstantString(value));
4571  /* FUTURE: error if status is bad? */
4572  return(status);
4573 }
_Image::rows
size_t rows
Definition: image.h:172
_Image::matte_color
PixelInfo matte_color
Definition: image.h:357
AppendString2Text
#define AppendString2Text(string)
_Image::intensity
PixelIntensityMethod intensity
Definition: image.h:222
FormatMagickSize
MagickExport ssize_t FormatMagickSize(const MagickSizeType size, const MagickBooleanType bi, const char *suffix, const size_t length, char *format)
Definition: string.c:1093
EXIF_FMT_SINGLE
#define EXIF_FMT_SINGLE
QueryColorname
MagickExport MagickBooleanType QueryColorname(const Image *magick_unused(image), const PixelInfo *color, const ComplianceType compliance, char *name, ExceptionInfo *exception)
Definition: color.c:2591
AcquireImageInfo
MagickExport ImageInfo * AcquireImageInfo(void)
Definition: image.c:343
_Image::interlace
InterlaceType interlace
Definition: image.h:225
_XMLTreeInfo
Definition: xml-tree.c:77
GetMagickPropertyLetter
static const char * GetMagickPropertyLetter(ImageInfo *image_info, Image *image, const char letter, ExceptionInfo *exception)
Definition: property.c:2403
DestroyXMLTree
MagickExport XMLTreeInfo * DestroyXMLTree(XMLTreeInfo *xml_info)
Definition: xml-tree.c:558
_Image::dispose
DisposeType dispose
Definition: image.h:237
AddValueToSplayTree
MagickExport MagickBooleanType AddValueToSplayTree(SplayTreeInfo *splay_tree, const void *key, const void *value)
Definition: splay-tree.c:154
_ImageInfo::magick
char magick[MagickPathExtent]
Definition: image.h:480
_Image::progress_monitor
MagickProgressMonitor progress_monitor
Definition: image.h:303
RemoveImageProperty
MagickExport char * RemoveImageProperty(Image *image, const char *property)
Definition: property.c:4030
IsRightsAuthorized
MagickExport MagickBooleanType IsRightsAuthorized(const PolicyDomain domain, const PolicyRights rights, const char *pattern)
Definition: policy.c:594
_Image::iterations
size_t iterations
Definition: image.h:248
_Image::ticks_per_second
ssize_t ticks_per_second
Definition: image.h:245
ReadPropertyUnsignedShort
static unsigned short ReadPropertyUnsignedShort(const EndianType endian, const unsigned char *buffer)
Definition: property.c:813
_Image::filter
FilterType filter
Definition: image.h:219
ReadPropertyUnsignedLong
static unsigned int ReadPropertyUnsignedLong(const EndianType endian, const unsigned char *buffer)
Definition: property.c:764
DeleteImageOption
MagickExport MagickBooleanType DeleteImageOption(ImageInfo *image_info, const char *option)
Definition: option.c:2227
ResetImagePropertyIterator
MagickExport void ResetImagePropertyIterator(const Image *image)
Definition: property.c:4070
StringToUnsignedLong
static unsigned long StringToUnsignedLong(const char *magick_restrict value)
Definition: string-private.h:97
EXIF_FMT_SLONG
#define EXIF_FMT_SLONG
ParseCommandOption
MagickExport ssize_t ParseCommandOption(const CommandOption option, const MagickBooleanType list, const char *options)
Definition: option.c:2967
resource_.h
EXIF_FMT_SSHORT
#define EXIF_FMT_SSHORT
_Image::border_color
PixelInfo border_color
Definition: image.h:179
PixelInterpolateMethod
PixelInterpolateMethod
Definition: pixel.h:110
_Image::interpolate
PixelInterpolateMethod interpolate
Definition: image.h:255
FormatLocaleStringList
MagickPrivate ssize_t FormatLocaleStringList(char *magick_restrict, const size_t, const char *magick_restrict, va_list) magick_attribute((__format__(__printf__
GetNextXMLTreeTag
MagickExport XMLTreeInfo * GetNextXMLTreeTag(XMLTreeInfo *xml_info)
Definition: xml-tree.c:744
_ImageInfo::number_scenes
size_t number_scenes
Definition: image.h:396
_GeometryInfo::rho
double rho
Definition: geometry.h:106
ParseAbsoluteGeometry
MagickExport MagickStatusType ParseAbsoluteGeometry(const char *geometry, RectangleInfo *region_info)
Definition: geometry.c:703
_ExceptionInfo
Definition: exception.h:101
_Image::endian
EndianType endian
Definition: image.h:228
DeleteImageArtifact
MagickExport MagickBooleanType DeleteImageArtifact(Image *image, const char *artifact)
Definition: artifact.c:198
_Image::taint
MagickBooleanType taint
Definition: image.h:169
ConcatenateMagickString
MagickExport size_t ConcatenateMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:426
ReadPropertyMSBLong
static signed int ReadPropertyMSBLong(const unsigned char **p, size_t *length)
Definition: property.c:501
PixelIntensityMethod
PixelIntensityMethod
Definition: pixel.h:96
_ImageInfo::debug
MagickBooleanType debug
Definition: image.h:485
SkipXMPValue
static MagickBooleanType SkipXMPValue(const char *value)
Definition: property.c:1744
ExtendInterpretText
#define ExtendInterpretText(string_length)
SetImageArtifact
MagickExport MagickBooleanType SetImageArtifact(Image *image, const char *artifact, const char *value)
Definition: artifact.c:445
_ImageInfo
Definition: image.h:375
GetImageArtifact
MagickExport const char * GetImageArtifact(const Image *image, const char *artifact)
Definition: artifact.c:273
_PixelInfo::red
MagickRealType red
Definition: pixel.h:191
GetEXIFProperty
static MagickBooleanType GetEXIFProperty(const Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:830
StringToDouble
static double StringToDouble(const char *magick_restrict string, char **magick_restrict sentinal)
Definition: string-private.h:42
AcquireExceptionInfo
MagickExport ExceptionInfo * AcquireExceptionInfo(void)
Definition: exception.c:108
FormatLocaleString
MagickExport ssize_t FormatLocaleString(char *magick_restrict string, const size_t length, const char *magick_restrict format,...)
Definition: locale.c:499
_Image::units
ResolutionType units
Definition: image.h:198
GetICCProperty
static MagickBooleanType GetICCProperty(const Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:1662
SignatureImage
MagickExport MagickBooleanType SignatureImage(Image *image, ExceptionInfo *exception)
Definition: signature.c:469
_Image::delay
size_t delay
Definition: image.h:240
_Image::magick
char magick[MagickPathExtent]
Definition: image.h:319
MAGICKCORE_QUANTUM_DEPTH
#define MAGICKCORE_QUANTUM_DEPTH
Definition: magick-type.h:28
_Image::magick_rows
size_t magick_rows
Definition: image.h:324
ResetImageArtifactIterator
MagickExport void ResetImageArtifactIterator(const Image *image)
Definition: artifact.c:406
StringToLong
static long StringToLong(const char *magick_restrict value)
Definition: string-private.h:68
_PixelInfo::alpha
MagickRealType alpha
Definition: pixel.h:191
_ProfileInfo::info
unsigned char * info
Definition: profile.c:137
TraceSVGClippath
static char * TraceSVGClippath(const unsigned char *, size_t, const size_t, const size_t)
Definition: property.c:2060
GetImageOption
MagickExport const char * GetImageOption(const ImageInfo *image_info, const char *option)
Definition: option.c:2302
GetPageGeometry
MagickExport char * GetPageGeometry(const char *page_geometry)
Definition: geometry.c:362
_Image::montage
char * montage
Definition: image.h:201
MagickEpsilon
#define MagickEpsilon
Definition: magick-type.h:110
_Image::compression
CompressionType compression
Definition: image.h:160
GetXMLTreeChild
MagickExport XMLTreeInfo * GetXMLTreeChild(XMLTreeInfo *xml_info, const char *tag)
Definition: xml-tree.c:896
_GeometryInfo::sigma
double sigma
Definition: geometry.h:106
_Image::storage_class
ClassType storage_class
Definition: image.h:154
_RectangleInfo::width
size_t width
Definition: geometry.h:130
ReadPropertySignedLong
static signed int ReadPropertySignedLong(const EndianType endian, const unsigned char *buffer)
Definition: property.c:732
_Image::tile_offset
RectangleInfo tile_offset
Definition: image.h:261
GetImageEntropy
MagickExport MagickBooleanType GetImageEntropy(const Image *image, double *entropy, ExceptionInfo *exception)
Definition: statistic.c:1128
EXIF_FMT_BYTE
#define EXIF_FMT_BYTE
TraceEvent
Definition: log.h:52
FileToString
MagickExport char * FileToString(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:1000
EXIF_FMT_URATIONAL
#define EXIF_FMT_URATIONAL
GetPixelInfo
MagickExport void GetPixelInfo(const Image *image, PixelInfo *pixel)
Definition: pixel.c:2170
GetXMLTreeTag
MagickExport const char * GetXMLTreeTag(XMLTreeInfo *xml_info)
Definition: xml-tree.c:1159
EndianType
EndianType
Definition: quantum.h:28
SetImageOption
MagickExport MagickBooleanType SetImageOption(ImageInfo *image_info, const char *option, const char *value)
Definition: option.c:3237
_Image
Definition: image.h:151
ReadPropertySignedShort
static signed short ReadPropertySignedShort(const EndianType endian, const unsigned char *buffer)
Definition: property.c:785
ReadPropertyByte
static int ReadPropertyByte(const unsigned char **p, size_t *length)
Definition: property.c:489
TracePSClippath
static char * TracePSClippath(const unsigned char *, size_t)
Definition: property.c:1850
_SplayTreeInfo
Definition: splay-tree.c:83
SetImageGray
MagickExport MagickBooleanType SetImageGray(Image *image, ExceptionInfo *exception)
Definition: colorspace.c:1215
_StringInfo
Definition: string_.h:27
EXIF_FMT_USHORT
#define EXIF_FMT_USHORT
_PointInfo::x
double x
Definition: geometry.h:123
string_.h
TAG_GPS_OFFSET
#define TAG_GPS_OFFSET
MagickCoreSignature
#define MagickCoreSignature
Definition: method-attribute.h:86
GetStringInfoDatum
MagickExport unsigned char * GetStringInfoDatum(const StringInfo *string_info)
Definition: string.c:1295
CloneImageProperties
MagickExport MagickBooleanType CloneImageProperties(Image *image, const Image *clone_image)
Definition: property.c:134
TAG_INTEROP_OFFSET
#define TAG_INTEROP_OFFSET
GetPathComponent
MagickExport void GetPathComponent(const char *path, PathType type, char *component)
Definition: utility.c:1213
MagickBooleanType
MagickBooleanType
Definition: magick-type.h:158
_Image::scene
size_t scene
Definition: image.h:240
MagickStatusType
unsigned int MagickStatusType
Definition: magick-type.h:121
AcquireString
MagickExport char * AcquireString(const char *source)
Definition: string.c:129
PerceptibleReciprocal
static double PerceptibleReciprocal(const double x)
Definition: pixel-accessor.h:224
LocaleLower
MagickExport void LocaleLower(char *string)
Definition: locale.c:1490
_Image::black_point_compensation
MagickBooleanType black_point_compensation
Definition: image.h:258
DestroyFxInfo
MagickPrivate FxInfo * DestroyFxInfo(FxInfo *)
Definition: fx.c:1057
CommandOptionToMnemonic
MagickExport const char * CommandOptionToMnemonic(const CommandOption option, const ssize_t type)
Definition: option.c:2680
FileToStringInfo
MagickExport StringInfo * FileToStringInfo(const char *filename, const size_t extent, ExceptionInfo *exception)
Definition: string.c:1039
GetIPTCProperty
static MagickBooleanType GetIPTCProperty(const Image *image, const char *key, ExceptionInfo *exception)
Definition: property.c:422
AcquireQuantumMemory
MagickExport void * AcquireQuantumMemory(const size_t count, const size_t quantum)
Definition: memory.c:543
_ImageInfo::filename
char filename[MagickPathExtent]
Definition: image.h:480
GetColorTuple
MagickExport void GetColorTuple(const PixelInfo *pixel, const MagickBooleanType hex, char *tuple)
Definition: color.c:1556
LocaleNCompare
MagickExport int LocaleNCompare(const char *p, const char *q, const size_t length)
Definition: locale.c:1570
_PointInfo::y
double y
Definition: geometry.h:123
MaxTextExtent
#define MaxTextExtent
Definition: method-attribute.h:90
FxEvaluateChannelExpression
MagickPrivate MagickBooleanType FxEvaluateChannelExpression(FxInfo *, const PixelChannel, const ssize_t, const ssize_t, double *, ExceptionInfo *)
Definition: fx.c:3015
_Image::gravity
GravityType gravity
Definition: image.h:231
SetImageProperty
MagickExport MagickBooleanType SetImageProperty(Image *image, const char *property, const char *value, ExceptionInfo *exception)
Definition: property.c:4114
ConcatenateString
MagickExport MagickBooleanType ConcatenateString(char **destination, const char *source)
Definition: string.c:492
GetImageProfile
MagickExport const StringInfo * GetImageProfile(const Image *image, const char *name)
Definition: profile.c:284
_ImageInfo::scene
size_t scene
Definition: image.h:396
_Image::page
RectangleInfo page
Definition: image.h:212
GetXMLTreeContent
MagickExport const char * GetXMLTreeContent(XMLTreeInfo *xml_info)
Definition: xml-tree.c:936
IsGlob
MagickPrivate MagickBooleanType IsGlob(const char *) magick_attribute((__pure__))
Definition: token.c:591
DestroyImageProperties
MagickExport void DestroyImageProperties(Image *image)
Definition: property.c:314
_Image::magick_columns
size_t magick_columns
Definition: image.h:324
DestroySplayTree
MagickExport SplayTreeInfo * DestroySplayTree(SplayTreeInfo *splay_tree)
Definition: splay-tree.c:682
GlobExpression
MagickExport MagickBooleanType GlobExpression(const char *expression, const char *pattern, const MagickBooleanType case_insensitive)
Definition: token.c:347
MagickPathExtent
#define MagickPathExtent
Definition: method-attribute.h:88
_Image::alpha_trait
PixelTrait alpha_trait
Definition: image.h:280
GetMagickPrecision
MagickExport int GetMagickPrecision(void)
Definition: magick.c:886
_PixelInfo::blue
MagickRealType blue
Definition: pixel.h:191
memory_.h
NewSplayTree
MagickExport SplayTreeInfo * NewSplayTree(int(*compare)(const void *, const void *), void *(*relinquish_key)(void *), void *(*relinquish_value)(void *))
Definition: splay-tree.c:1141
EXIF_FMT_DOUBLE
#define EXIF_FMT_DOUBLE
SetImageInfo
MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info, const unsigned int frames, ExceptionInfo *exception)
Definition: image.c:2703
GravityType
GravityType
Definition: geometry.h:77
_Image::magick_filename
char magick_filename[MagickPathExtent]
Definition: image.h:319
ThrowMagickException
MagickExport MagickBooleanType ThrowMagickException(ExceptionInfo *exception, const char *module, const char *function, const size_t line, const ExceptionType severity, const char *tag, const char *format,...)
Definition: exception.c:1074
LogMagickEvent
MagickExport MagickBooleanType LogMagickEvent(const LogEventType type, const char *module, const char *function, const size_t line, const char *format,...)
Definition: log.c:1398
_FxInfo
Definition: fx.c:113
IsPathAccessible
MagickExport MagickBooleanType IsPathAccessible(const char *path)
Definition: utility.c:1465
GetMagickVersion
MagickExport const char * GetMagickVersion(size_t *version)
Definition: version.c:567
SetImageBackgroundColor
MagickExport MagickBooleanType SetImageBackgroundColor(Image *image, ExceptionInfo *exception)
Definition: image.c:2415
_Image::signature
size_t signature
Definition: image.h:354
_Image::columns
size_t columns
Definition: image.h:172
GetNextImageProperty
MagickExport const char * GetNextImageProperty(const Image *image)
Definition: property.c:3323
ReadPropertyMSBShort
static signed short ReadPropertyMSBShort(const unsigned char **p, size_t *length)
Definition: property.c:541
AcquireImage
MagickExport Image * AcquireImage(const ImageInfo *image_info, ExceptionInfo *exception)
Definition: image.c:155
SubstituteString
MagickExport MagickBooleanType SubstituteString(char **string, const char *search, const char *replace)
Definition: string.c:2651
EXIFMultipleValues
#define EXIFMultipleValues(size, format, arg)
_RectangleInfo::x
ssize_t x
Definition: geometry.h:134
WarnNoImageInfoReturn
#define WarnNoImageInfoReturn(format, arg)
ResetImageOptionIterator
MagickExport void ResetImageOptionIterator(const ImageInfo *image_info)
Definition: option.c:3198
GetMagickCopyright
MagickExport const char * GetMagickCopyright(void)
Definition: version.c:75
_RectangleInfo::height
size_t height
Definition: geometry.h:130
IdentifyImageType
MagickExport ImageType IdentifyImageType(const Image *image, ExceptionInfo *exception)
Definition: attribute.c:920
_RectangleInfo
Definition: geometry.h:127
GetImageRange
MagickExport MagickBooleanType GetImageRange(const Image *image, double *minima, double *maxima, ExceptionInfo *exception)
Definition: statistic.c:1783
QueryColorCompliance
MagickExport MagickBooleanType QueryColorCompliance(const char *name, const ComplianceType compliance, PixelInfo *color, ExceptionInfo *exception)
Definition: color.c:2216
GetImageKurtosis
MagickExport MagickBooleanType GetImageKurtosis(const Image *image, double *kurtosis, double *skewness, ExceptionInfo *exception)
Definition: statistic.c:1226
CopyMagickString
MagickExport size_t CopyMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:755
_Image::offset
ssize_t offset
Definition: image.h:206
_Image::extract_info
RectangleInfo extract_info
Definition: image.h:212
GetValueFromSplayTree
MagickExport const void * GetValueFromSplayTree(SplayTreeInfo *splay_tree, const void *key)
Definition: splay-tree.c:921
GetImageMean
MagickExport MagickBooleanType GetImageMean(const Image *image, double *mean, double *standard_deviation, ExceptionInfo *exception)
Definition: statistic.c:1276
EXIF_FMT_STRING
#define EXIF_FMT_STRING
SetImageExtent
MagickExport MagickBooleanType SetImageExtent(Image *image, const size_t columns, const size_t rows, ExceptionInfo *exception)
Definition: image.c:2657
GetNextImageProfile
MagickExport char * GetNextImageProfile(const Image *image)
Definition: profile.c:323
RenderingIntent
RenderingIntent
Definition: profile.h:30
MagickMax
#define MagickMax(x, y)
Definition: image-private.h:26
SetImageProfile
MagickExport MagickBooleanType SetImageProfile(Image *image, const char *name, const StringInfo *profile, ExceptionInfo *exception)
Definition: profile.c:1776
EXIF_FMT_SRATIONAL
#define EXIF_FMT_SRATIONAL
_Image::quality
size_t quality
Definition: image.h:163
AppendKeyValue2Text
#define AppendKeyValue2Text(key, value)
_Image::colors
size_t colors
Definition: image.h:172
MaxDirectoryStack
#define MaxDirectoryStack
LocaleCompare
MagickExport int LocaleCompare(const char *p, const char *q)
Definition: locale.c:1435
DisposeType
DisposeType
Definition: layer.h:27
_Image::filename
char filename[MagickPathExtent]
Definition: image.h:319
CloneSplayTree
MagickExport SplayTreeInfo * CloneSplayTree(SplayTreeInfo *splay_tree, void *(*clone_key)(void *), void *(*clone_value)(void *))
Definition: splay-tree.c:346
GetMagickModule
#define GetMagickModule()
Definition: log.h:28
CompareSplayTreeString
MagickExport int CompareSplayTreeString(const void *target, const void *source)
Definition: splay-tree.c:412
GetNumberColors
MagickExport size_t GetNumberColors(const Image *image, FILE *file, ExceptionInfo *exception)
Definition: histogram.c:1002
InterpretImageProperties
MagickExport char * InterpretImageProperties(ImageInfo *image_info, Image *image, const char *embed_text, ExceptionInfo *exception)
Definition: property.c:3389
GetBlobSize
MagickExport MagickSizeType GetBlobSize(const Image *image)
Definition: blob.c:1800
_ImageInfo::unique
char unique[MagickPathExtent]
Definition: image.h:480
GetXMLTreeSibling
MagickExport XMLTreeInfo * GetXMLTreeSibling(XMLTreeInfo *xml_info)
Definition: xml-tree.c:1127
DestroyImageInfo
MagickExport ImageInfo * DestroyImageInfo(ImageInfo *image_info)
Definition: image.c:1250
CompressionType
CompressionType
Definition: compress.h:25
_Image::start_loop
ssize_t start_loop
Definition: image.h:252
_Image::rendering_intent
RenderingIntent rendering_intent
Definition: image.h:192
_Image::error
ErrorInfo error
Definition: image.h:297
GetNextKeyInSplayTree
MagickExport const void * GetNextKeyInSplayTree(SplayTreeInfo *splay_tree)
Definition: splay-tree.c:769
GetImageDepth
MagickExport size_t GetImageDepth(const Image *image, ExceptionInfo *exception)
Definition: attribute.c:404
EXIFMultipleFractions
#define EXIFMultipleFractions(size, format, arg1, arg2)
GetXMPProperty
static MagickBooleanType GetXMPProperty(const Image *image, const char *property)
Definition: property.c:1757
GetImageBoundingBox
MagickExport RectangleInfo GetImageBoundingBox(const Image *image, ExceptionInfo *exception)
Definition: attribute.c:240
SetImageColorspace
MagickExport MagickBooleanType SetImageColorspace(Image *image, const ColorspaceType colorspace, ExceptionInfo *exception)
Definition: colorspace.c:1135
GetImageIndexInList
MagickExport ssize_t GetImageIndexInList(const Image *images)
Definition: list.c:657
_PixelInfo::black
MagickRealType black
Definition: pixel.h:191
_GeometryInfo
Definition: geometry.h:103
DestroyString
MagickExport char * DestroyString(char *string)
Definition: string.c:823
_Image::geometry
char * geometry
Definition: image.h:201
DeleteImageProperty
MagickExport MagickBooleanType DeleteImageProperty(Image *image, const char *property)
Definition: property.c:279
GetImageProperty
MagickExport const char * GetImageProperty(const Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:2229
EXIF_FMT_UNDEFINED
#define EXIF_FMT_UNDEFINED
CloneImageInfo
MagickExport ImageInfo * CloneImageInfo(const ImageInfo *image_info)
Definition: image.c:938
GetRootValueFromSplayTree
MagickExport const void * GetRootValueFromSplayTree(SplayTreeInfo *splay_tree)
Definition: splay-tree.c:877
ParseGeometry
MagickExport MagickStatusType ParseGeometry(const char *geometry, GeometryInfo *geometry_info)
Definition: geometry.c:853
_Image::directory
char * directory
Definition: image.h:201
_Image::chromaticity
ChromaticityInfo chromaticity
Definition: image.h:189
RemoveNodeFromSplayTree
MagickExport void * RemoveNodeFromSplayTree(SplayTreeInfo *splay_tree, const void *key)
Definition: splay-tree.c:1299
DeleteNodeFromSplayTree
MagickExport MagickBooleanType DeleteNodeFromSplayTree(SplayTreeInfo *splay_tree, const void *key)
Definition: splay-tree.c:603
_ProfileInfo::length
size_t length
Definition: profile.c:134
Get8BIMProperty
static MagickBooleanType Get8BIMProperty(const Image *image, const char *key, ExceptionInfo *exception)
Definition: property.c:579
MagickMin
#define MagickMin(x, y)
Definition: image-private.h:27
GetNextImageArtifact
MagickExport const char * GetNextImageArtifact(const Image *image)
Definition: artifact.c:323
ColorspaceType
ColorspaceType
Definition: colorspace.h:25
EXIF_FMT_SBYTE
#define EXIF_FMT_SBYTE
ResetSplayTreeIterator
MagickExport void ResetSplayTreeIterator(SplayTreeInfo *splay_tree)
Definition: splay-tree.c:1472
RelinquishMagickMemory
MagickExport void * RelinquishMagickMemory(void *memory)
Definition: memory.c:1069
_Image::total_colors
size_t total_colors
Definition: image.h:248
_Image::resolution
PointInfo resolution
Definition: image.h:209
magick_unreferenced
#define magick_unreferenced(x)
Definition: method-attribute.h:106
_Image::properties
void * properties
Definition: image.h:315
DefineImageProperty
MagickExport MagickBooleanType DefineImageProperty(Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:232
_PixelInfo::green
MagickRealType green
Definition: pixel.h:191
CloneString
MagickExport char * CloneString(char **destination, const char *source)
Definition: string.c:286
GetMagickProperty
MagickExport const char * GetMagickProperty(ImageInfo *image_info, Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:2804
_Image::compose
CompositeOperator compose
Definition: image.h:234
_ProfileInfo::name
char * name
Definition: profile.c:131
CompositeOperator
CompositeOperator
Definition: composite.h:25
ResolutionType
ResolutionType
Definition: image.h:89
ResetImageProfileIterator
MagickExport void ResetImageProfileIterator(const Image *image)
Definition: profile.c:1365
MagickExport
#define MagickExport
Definition: method-attribute.h:80
_Image::extent
MagickSizeType extent
Definition: image.h:270
_Image::orientation
OrientationType orientation
Definition: image.h:166
EXIF_FMT_ULONG
#define EXIF_FMT_ULONG
_Image::fuzz
double fuzz
Definition: image.h:216
_RectangleInfo::y
ssize_t y
Definition: geometry.h:134
FormatImageProperty
MagickExport MagickBooleanType FormatImageProperty(Image *image, const char *property, const char *format,...)
Definition: property.c:354
StringInfoToString
MagickExport char * StringInfoToString(const StringInfo *string_info)
Definition: string.c:1971
_PixelInfo
Definition: pixel.h:170
_Image::transparent_color
PixelInfo transparent_color
Definition: image.h:179
WarnNoImageReturn
#define WarnNoImageReturn(format, arg)
GetStringInfoLength
MagickExport size_t GetStringInfoLength(const StringInfo *string_info)
Definition: string.c:1324
_Image::background_color
PixelInfo background_color
Definition: image.h:179
GetImageListLength
MagickExport size_t GetImageListLength(const Image *images)
Definition: list.c:696
GetNextImageOption
MagickExport char * GetNextImageOption(const ImageInfo *image_info)
Definition: option.c:2606
_Image::client_data
void * client_data
Definition: image.h:306
DestroyImage
MagickExport Image * DestroyImage(Image *image)
Definition: image.c:1179
ConstantString
MagickExport char * ConstantString(const char *source)
Definition: string.c:700
_Image::gamma
double gamma
Definition: image.h:186
_PointInfo
Definition: geometry.h:120
_Image::colorspace
ColorspaceType colorspace
Definition: image.h:157
IsImageOpaque
MagickExport MagickBooleanType IsImageOpaque(const Image *image, ExceptionInfo *exception)
Definition: attribute.c:1044
NewXMLTree
MagickExport XMLTreeInfo * NewXMLTree(const char *xml, ExceptionInfo *exception)
Definition: xml-tree.c:1952
TAG_EXIF_OFFSET
#define TAG_EXIF_OFFSET
QuantumRange
#define QuantumRange
Definition: magick-type.h:83
AcquireFxInfo
MagickPrivate FxInfo * AcquireFxInfo(const Image *, const char *, ExceptionInfo *)
_Image::debug
MagickBooleanType debug
Definition: image.h:334
DestroyExceptionInfo
MagickExport ExceptionInfo * DestroyExceptionInfo(ExceptionInfo *exception)
Definition: exception.c:411
_Image::depth
size_t depth
Definition: image.h:172