MagickCore  7.0.3
property.c
Go to the documentation of this file.
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[36];
922  } TagInfo;
923 
924  static const 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, "" }
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  if (format == 0)
1448  break; /* corrupt EXIF */
1449  components=(ssize_t) ReadPropertySignedLong(endian,q+4);
1450  if (components < 0)
1451  break; /* corrupt EXIF */
1452  number_bytes=(size_t) components*tag_bytes[format];
1453  if (number_bytes < components)
1454  break; /* prevent overflow */
1455  if (number_bytes <= 4)
1456  p=q+8;
1457  else
1458  {
1459  ssize_t
1460  dir_offset;
1461 
1462  /*
1463  The directory entry contains an offset.
1464  */
1465  dir_offset=(ssize_t) ReadPropertySignedLong(endian,q+8);
1466  if ((dir_offset < 0) || (size_t) dir_offset >= length)
1467  continue;
1468  if ((ssize_t) (dir_offset+number_bytes) < dir_offset)
1469  continue; /* prevent overflow */
1470  if ((size_t) (dir_offset+number_bytes) > length)
1471  continue;
1472  p=(unsigned char *) (exif+dir_offset);
1473  }
1474  if ((all != 0) || (tag == (size_t) tag_value))
1475  {
1476  char
1477  buffer[MagickPathExtent],
1478  *value;
1479 
1480  if ((p < exif) || (p > (exif+length-tag_bytes[format])))
1481  break;
1482  value=(char *) NULL;
1483  *buffer='\0';
1484  switch (format)
1485  {
1486  case EXIF_FMT_BYTE:
1487  case EXIF_FMT_UNDEFINED:
1488  {
1489  EXIFMultipleValues(1,"%.20g",(double) (*(unsigned char *) p1));
1490  break;
1491  }
1492  case EXIF_FMT_SBYTE:
1493  {
1494  EXIFMultipleValues(1,"%.20g",(double) (*(signed char *) p1));
1495  break;
1496  }
1497  case EXIF_FMT_SSHORT:
1498  {
1499  EXIFMultipleValues(2,"%hd",ReadPropertySignedShort(endian,p1));
1500  break;
1501  }
1502  case EXIF_FMT_USHORT:
1503  {
1504  EXIFMultipleValues(2,"%hu",ReadPropertyUnsignedShort(endian,p1));
1505  break;
1506  }
1507  case EXIF_FMT_ULONG:
1508  {
1509  EXIFMultipleValues(4,"%.20g",(double)
1510  ReadPropertyUnsignedLong(endian,p1));
1511  break;
1512  }
1513  case EXIF_FMT_SLONG:
1514  {
1515  EXIFMultipleValues(4,"%.20g",(double)
1516  ReadPropertySignedLong(endian,p1));
1517  break;
1518  }
1519  case EXIF_FMT_URATIONAL:
1520  {
1521  EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1522  ReadPropertyUnsignedLong(endian,p1),(double)
1523  ReadPropertyUnsignedLong(endian,p1+4));
1524  break;
1525  }
1526  case EXIF_FMT_SRATIONAL:
1527  {
1528  EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1529  ReadPropertySignedLong(endian,p1),(double)
1530  ReadPropertySignedLong(endian,p1+4));
1531  break;
1532  }
1533  case EXIF_FMT_SINGLE:
1534  {
1535  EXIFMultipleValues(4,"%f",(double) *(float *) p1);
1536  break;
1537  }
1538  case EXIF_FMT_DOUBLE:
1539  {
1540  EXIFMultipleValues(8,"%f",*(double *) p1);
1541  break;
1542  }
1543  case EXIF_FMT_STRING:
1544  default:
1545  {
1546  if ((p < exif) || (p > (exif+length-number_bytes)))
1547  break;
1548  value=(char *) NULL;
1549  if (~((size_t) number_bytes) >= 1)
1550  value=(char *) AcquireQuantumMemory((size_t) number_bytes+1UL,
1551  sizeof(*value));
1552  if (value != (char *) NULL)
1553  {
1554  for (i=0; i < (ssize_t) number_bytes; i++)
1555  {
1556  value[i]='.';
1557  if ((isprint((int) p[i]) != 0) || (p[i] == '\0'))
1558  value[i]=(char) p[i];
1559  }
1560  value[i]='\0';
1561  }
1562  break;
1563  }
1564  }
1565  if (value != (char *) NULL)
1566  {
1567  char
1568  *key;
1569 
1570  key=AcquireString(property);
1571  switch (all)
1572  {
1573  case 1:
1574  {
1575  const char
1576  *description;
1577 
1578  description="unknown";
1579  for (i=0; ; i++)
1580  {
1581  if (EXIFTag[i].tag == 0)
1582  break;
1583  if (EXIFTag[i].tag == tag_value)
1584  {
1585  description=EXIFTag[i].description;
1586  break;
1587  }
1588  }
1589  (void) FormatLocaleString(key,MagickPathExtent,"%s",
1590  description);
1591  if (level == 2)
1592  (void) SubstituteString(&key,"exif:","exif:thumbnail:");
1593  break;
1594  }
1595  case 2:
1596  {
1597  if (tag_value < 0x10000)
1598  (void) FormatLocaleString(key,MagickPathExtent,"#%04lx",
1599  (unsigned long) tag_value);
1600  else
1601  if (tag_value < 0x20000)
1602  (void) FormatLocaleString(key,MagickPathExtent,"@%04lx",
1603  (unsigned long) (tag_value & 0xffff));
1604  else
1605  (void) FormatLocaleString(key,MagickPathExtent,"unknown");
1606  break;
1607  }
1608  default:
1609  {
1610  if (level == 2)
1611  (void) SubstituteString(&key,"exif:","exif:thumbnail:");
1612  }
1613  }
1614  if ((image->properties == (void *) NULL) ||
1615  (GetValueFromSplayTree((SplayTreeInfo *) image->properties,
1616  key) == (const void *) NULL))
1617  (void) SetImageProperty((Image *) image,key,value,exception);
1618  value=DestroyString(value);
1619  key=DestroyString(key);
1620  status=MagickTrue;
1621  }
1622  }
1623  if ((tag_value == TAG_EXIF_OFFSET) ||
1624  (tag_value == TAG_INTEROP_OFFSET) || (tag_value == TAG_GPS_OFFSET))
1625  {
1626  ssize_t
1627  tag_offset1;
1628 
1629  tag_offset1=(ssize_t) ReadPropertySignedLong(endian,p);
1630  if (((size_t) tag_offset1 < length) &&
1631  (level < (MaxDirectoryStack-2)))
1632  {
1633  ssize_t
1634  tag_offset2;
1635 
1636  tag_offset2=(ssize_t) ((tag_value == TAG_GPS_OFFSET) ? 0x10000 :
1637  0);
1638  directory_stack[level].directory=directory;
1639  entry++;
1640  directory_stack[level].entry=entry;
1641  directory_stack[level].offset=tag_offset;
1642  level++;
1643  directory_stack[level].directory=exif+tag_offset1;
1644  directory_stack[level].offset=tag_offset2;
1645  directory_stack[level].entry=0;
1646  level++;
1647  if ((directory+2+(12*number_entries)+4) > (exif+length))
1648  break;
1649  tag_offset1=(ssize_t) ReadPropertySignedLong(endian,directory+
1650  2+(12*number_entries));
1651  if ((tag_offset1 != 0) && ((size_t) tag_offset1 < length) &&
1652  (level < (MaxDirectoryStack-2)))
1653  {
1654  directory_stack[level].directory=exif+tag_offset1;
1655  directory_stack[level].entry=0;
1656  directory_stack[level].offset=tag_offset2;
1657  level++;
1658  }
1659  }
1660  break;
1661  }
1662  }
1663  } while (level > 0);
1664  exif_resources=DestroySplayTree(exif_resources);
1665  return(status);
1666 }
1667 
1668 static MagickBooleanType GetICCProperty(const Image *image,const char *property,
1669  ExceptionInfo *exception)
1670 {
1671  const StringInfo
1672  *profile;
1673 
1674  magick_unreferenced(property);
1675 
1676  profile=GetImageProfile(image,"icc");
1677  if (profile == (StringInfo *) NULL)
1678  profile=GetImageProfile(image,"icm");
1679  if (profile == (StringInfo *) NULL)
1680  return(MagickFalse);
1681  if (GetStringInfoLength(profile) < 128)
1682  return(MagickFalse); /* minimum ICC profile length */
1683 #if defined(MAGICKCORE_LCMS_DELEGATE)
1684  {
1685  cmsHPROFILE
1686  icc_profile;
1687 
1688  icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
1689  (cmsUInt32Number) GetStringInfoLength(profile));
1690  if (icc_profile != (cmsHPROFILE *) NULL)
1691  {
1692 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
1693  const char
1694  *name;
1695 
1696  name=cmsTakeProductName(icc_profile);
1697  if (name != (const char *) NULL)
1698  (void) SetImageProperty((Image *) image,"icc:name",name,exception);
1699 #else
1700  char
1701  info[MagickPathExtent];
1702 
1703  unsigned int
1704  extent;
1705 
1706  (void) memset(info,0,sizeof(info));
1707  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,"en","US",
1708  NULL,0);
1709  if (extent != 0)
1710  {
1711  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,"en",
1712  "US",info,MagickMin(MagickPathExtent-1,extent));
1713  (void) SetImageProperty((Image *) image,"icc:description",info,
1714  exception);
1715  }
1716  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoManufacturer,"en","US",
1717  NULL,0);
1718  if (extent != 0)
1719  {
1720  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoManufacturer,"en",
1721  "US",info,MagickMin(MagickPathExtent-1,extent));
1722  (void) SetImageProperty((Image *) image,"icc:manufacturer",info,
1723  exception);
1724  }
1725  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoModel,"en","US",
1726  NULL,0);
1727  if (extent != 0)
1728  {
1729  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoModel,"en","US",
1730  info,MagickMin(MagickPathExtent-1,extent));
1731  (void) SetImageProperty((Image *) image,"icc:model",info,exception);
1732  }
1733  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoCopyright,"en","US",
1734  NULL,0);
1735  if (extent != 0)
1736  {
1737  extent=cmsGetProfileInfoASCII(icc_profile,cmsInfoCopyright,"en",
1738  "US",info,MagickMin(MagickPathExtent-1,extent));
1739  (void) SetImageProperty((Image *) image,"icc:copyright",info,
1740  exception);
1741  }
1742 #endif
1743  (void) cmsCloseProfile(icc_profile);
1744  }
1745  }
1746 #endif
1747  return(MagickTrue);
1748 }
1749 
1750 static MagickBooleanType SkipXMPValue(const char *value)
1751 {
1752  if (value == (const char*) NULL)
1753  return(MagickTrue);
1754  while (*value != '\0')
1755  {
1756  if (isspace((int) ((unsigned char) *value)) == 0)
1757  return(MagickFalse);
1758  value++;
1759  }
1760  return(MagickTrue);
1761 }
1762 
1763 static MagickBooleanType GetXMPProperty(const Image *image,const char *property)
1764 {
1765  char
1766  *xmp_profile;
1767 
1768  const char
1769  *content;
1770 
1771  const StringInfo
1772  *profile;
1773 
1774  ExceptionInfo
1775  *exception;
1776 
1777  MagickBooleanType
1778  status;
1779 
1780  register const char
1781  *p;
1782 
1783  XMLTreeInfo
1784  *child,
1785  *description,
1786  *node,
1787  *rdf,
1788  *xmp;
1789 
1790  profile=GetImageProfile(image,"xmp");
1791  if (profile == (StringInfo *) NULL)
1792  return(MagickFalse);
1793  if (GetStringInfoLength(profile) < 17)
1794  return(MagickFalse);
1795  if ((property == (const char *) NULL) || (*property == '\0'))
1796  return(MagickFalse);
1797  xmp_profile=StringInfoToString(profile);
1798  if (xmp_profile == (char *) NULL)
1799  return(MagickFalse);
1800  for (p=xmp_profile; *p != '\0'; p++)
1801  if ((*p == '<') && (*(p+1) == 'x'))
1802  break;
1803  exception=AcquireExceptionInfo();
1804  xmp=NewXMLTree((char *) p,exception);
1805  xmp_profile=DestroyString(xmp_profile);
1806  exception=DestroyExceptionInfo(exception);
1807  if (xmp == (XMLTreeInfo *) NULL)
1808  return(MagickFalse);
1809  status=MagickFalse;
1810  rdf=GetXMLTreeChild(xmp,"rdf:RDF");
1811  if (rdf != (XMLTreeInfo *) NULL)
1812  {
1813  if (image->properties == (void *) NULL)
1814  ((Image *) image)->properties=NewSplayTree(CompareSplayTreeString,
1815  RelinquishMagickMemory,RelinquishMagickMemory);
1816  description=GetXMLTreeChild(rdf,"rdf:Description");
1817  while (description != (XMLTreeInfo *) NULL)
1818  {
1819  char
1820  *xmp_namespace;
1821 
1822  node=GetXMLTreeChild(description,(const char *) NULL);
1823  while (node != (XMLTreeInfo *) NULL)
1824  {
1825  child=GetXMLTreeChild(node,(const char *) NULL);
1826  content=GetXMLTreeContent(node);
1827  if ((child == (XMLTreeInfo *) NULL) &&
1828  (SkipXMPValue(content) == MagickFalse))
1829  {
1830  xmp_namespace=ConstantString(GetXMLTreeTag(node));
1831  (void) SubstituteString(&xmp_namespace,"exif:","xmp:");
1832  (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1833  xmp_namespace,ConstantString(content));
1834  }
1835  while (child != (XMLTreeInfo *) NULL)
1836  {
1837  content=GetXMLTreeContent(child);
1838  if (SkipXMPValue(content) == MagickFalse)
1839  {
1840  xmp_namespace=ConstantString(GetXMLTreeTag(node));
1841  (void) SubstituteString(&xmp_namespace,"exif:","xmp:");
1842  (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1843  xmp_namespace,ConstantString(content));
1844  }
1845  child=GetXMLTreeSibling(child);
1846  }
1847  node=GetXMLTreeSibling(node);
1848  }
1849  description=GetNextXMLTreeTag(description);
1850  }
1851  }
1852  xmp=DestroyXMLTree(xmp);
1853  return(status);
1854 }
1855 
1856 static char *TracePSClippath(const unsigned char *blob,size_t length)
1857 {
1858  char
1859  *path,
1860  *message;
1861 
1862  MagickBooleanType
1863  in_subpath;
1864 
1865  PointInfo
1866  first[3],
1867  last[3],
1868  point[3];
1869 
1870  register ssize_t
1871  i,
1872  x;
1873 
1874  ssize_t
1875  knot_count,
1876  selector,
1877  y;
1878 
1879  path=AcquireString((char *) NULL);
1880  if (path == (char *) NULL)
1881  return((char *) NULL);
1882  message=AcquireString((char *) NULL);
1883  (void) FormatLocaleString(message,MagickPathExtent,"/ClipImage\n");
1884  (void) ConcatenateString(&path,message);
1885  (void) FormatLocaleString(message,MagickPathExtent,"{\n");
1886  (void) ConcatenateString(&path,message);
1887  (void) FormatLocaleString(message,MagickPathExtent,
1888  " /c {curveto} bind def\n");
1889  (void) ConcatenateString(&path,message);
1890  (void) FormatLocaleString(message,MagickPathExtent,
1891  " /l {lineto} bind def\n");
1892  (void) ConcatenateString(&path,message);
1893  (void) FormatLocaleString(message,MagickPathExtent,
1894  " /m {moveto} bind def\n");
1895  (void) ConcatenateString(&path,message);
1896  (void) FormatLocaleString(message,MagickPathExtent,
1897  " /v {currentpoint 6 2 roll curveto} bind def\n");
1898  (void) ConcatenateString(&path,message);
1899  (void) FormatLocaleString(message,MagickPathExtent,
1900  " /y {2 copy curveto} bind def\n");
1901  (void) ConcatenateString(&path,message);
1902  (void) FormatLocaleString(message,MagickPathExtent,
1903  " /z {closepath} bind def\n");
1904  (void) ConcatenateString(&path,message);
1905  (void) FormatLocaleString(message,MagickPathExtent," newpath\n");
1906  (void) ConcatenateString(&path,message);
1907  /*
1908  The clipping path format is defined in "Adobe Photoshop File Formats
1909  Specification" version 6.0 downloadable from adobe.com.
1910  */
1911  (void) memset(point,0,sizeof(point));
1912  (void) memset(first,0,sizeof(first));
1913  (void) memset(last,0,sizeof(last));
1914  knot_count=0;
1915  in_subpath=MagickFalse;
1916  while (length > 0)
1917  {
1918  selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1919  switch (selector)
1920  {
1921  case 0:
1922  case 3:
1923  {
1924  if (knot_count != 0)
1925  {
1926  blob+=24;
1927  length-=MagickMin(24,(ssize_t) length);
1928  break;
1929  }
1930  /*
1931  Expected subpath length record.
1932  */
1933  knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1934  blob+=22;
1935  length-=MagickMin(22,(ssize_t) length);
1936  break;
1937  }
1938  case 1:
1939  case 2:
1940  case 4:
1941  case 5:
1942  {
1943  if (knot_count == 0)
1944  {
1945  /*
1946  Unexpected subpath knot
1947  */
1948  blob+=24;
1949  length-=MagickMin(24,(ssize_t) length);
1950  break;
1951  }
1952  /*
1953  Add sub-path knot
1954  */
1955  for (i=0; i < 3; i++)
1956  {
1957  size_t
1958  xx,
1959  yy;
1960 
1961  yy=(size_t) ReadPropertyMSBLong(&blob,&length);
1962  xx=(size_t) ReadPropertyMSBLong(&blob,&length);
1963  x=(ssize_t) xx;
1964  if (xx > 2147483647)
1965  x=(ssize_t) xx-4294967295U-1;
1966  y=(ssize_t) yy;
1967  if (yy > 2147483647)
1968  y=(ssize_t) yy-4294967295U-1;
1969  point[i].x=(double) x/4096/4096;
1970  point[i].y=1.0-(double) y/4096/4096;
1971  }
1972  if (in_subpath == MagickFalse)
1973  {
1974  (void) FormatLocaleString(message,MagickPathExtent," %g %g m\n",
1975  point[1].x,point[1].y);
1976  for (i=0; i < 3; i++)
1977  {
1978  first[i]=point[i];
1979  last[i]=point[i];
1980  }
1981  }
1982  else
1983  {
1984  /*
1985  Handle special cases when Bezier curves are used to describe
1986  corners and straight lines.
1987  */
1988  if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1989  (point[0].x == point[1].x) && (point[0].y == point[1].y))
1990  (void) FormatLocaleString(message,MagickPathExtent,
1991  " %g %g l\n",point[1].x,point[1].y);
1992  else
1993  if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1994  (void) FormatLocaleString(message,MagickPathExtent,
1995  " %g %g %g %g v\n",point[0].x,point[0].y,
1996  point[1].x,point[1].y);
1997  else
1998  if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
1999  (void) FormatLocaleString(message,MagickPathExtent,
2000  " %g %g %g %g y\n",last[2].x,last[2].y,
2001  point[1].x,point[1].y);
2002  else
2003  (void) FormatLocaleString(message,MagickPathExtent,
2004  " %g %g %g %g %g %g c\n",last[2].x,
2005  last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
2006  for (i=0; i < 3; i++)
2007  last[i]=point[i];
2008  }
2009  (void) ConcatenateString(&path,message);
2010  in_subpath=MagickTrue;
2011  knot_count--;
2012  /*
2013  Close the subpath if there are no more knots.
2014  */
2015  if (knot_count == 0)
2016  {
2017  /*
2018  Same special handling as above except we compare to the
2019  first point in the path and close the path.
2020  */
2021  if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
2022  (first[0].x == first[1].x) && (first[0].y == first[1].y))
2023  (void) FormatLocaleString(message,MagickPathExtent,
2024  " %g %g l z\n",first[1].x,first[1].y);
2025  else
2026  if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
2027  (void) FormatLocaleString(message,MagickPathExtent,
2028  " %g %g %g %g v z\n",first[0].x,first[0].y,
2029  first[1].x,first[1].y);
2030  else
2031  if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
2032  (void) FormatLocaleString(message,MagickPathExtent,
2033  " %g %g %g %g y z\n",last[2].x,last[2].y,
2034  first[1].x,first[1].y);
2035  else
2036  (void) FormatLocaleString(message,MagickPathExtent,
2037  " %g %g %g %g %g %g c z\n",last[2].x,
2038  last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
2039  (void) ConcatenateString(&path,message);
2040  in_subpath=MagickFalse;
2041  }
2042  break;
2043  }
2044  case 6:
2045  case 7:
2046  case 8:
2047  default:
2048  {
2049  blob+=24;
2050  length-=MagickMin(24,(ssize_t) length);
2051  break;
2052  }
2053  }
2054  }
2055  /*
2056  Returns an empty PS path if the path has no knots.
2057  */
2058  (void) FormatLocaleString(message,MagickPathExtent," eoclip\n");
2059  (void) ConcatenateString(&path,message);
2060  (void) FormatLocaleString(message,MagickPathExtent,"} bind def");
2061  (void) ConcatenateString(&path,message);
2062  message=DestroyString(message);
2063  return(path);
2064 }
2065 
2066 static inline void TraceBezierCurve(char *message,PointInfo *last,
2067  PointInfo *point)
2068 {
2069  /*
2070  Handle special cases when Bezier curves are used to describe
2071  corners and straight lines.
2072  */
2073  if (((last+1)->x == (last+2)->x) && ((last+1)->y == (last+2)->y) &&
2074  (point->x == (point+1)->x) && (point->y == (point+1)->y))
2075  (void) FormatLocaleString(message,MagickPathExtent,
2076  "L %g %g\n",point[1].x,point[1].y);
2077  else
2078  (void) FormatLocaleString(message,MagickPathExtent,"C %g %g %g %g %g %g\n",
2079  (last+2)->x,(last+2)->y,point->x,point->y,(point+1)->x,(point+1)->y);
2080 }
2081 
2082 static char *TraceSVGClippath(const unsigned char *blob,size_t length,
2083  const size_t columns,const size_t rows)
2084 {
2085  char
2086  *path,
2087  *message;
2088 
2089  MagickBooleanType
2090  in_subpath;
2091 
2092  PointInfo
2093  first[3],
2094  last[3],
2095  point[3];
2096 
2097  register ssize_t
2098  i;
2099 
2100  ssize_t
2101  knot_count,
2102  selector,
2103  x,
2104  y;
2105 
2106  path=AcquireString((char *) NULL);
2107  if (path == (char *) NULL)
2108  return((char *) NULL);
2109  message=AcquireString((char *) NULL);
2110  (void) FormatLocaleString(message,MagickPathExtent,(
2111  "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n"
2112  "<svg xmlns=\"http://www.w3.org/2000/svg\""
2113  " width=\"%.20g\" height=\"%.20g\">\n"
2114  "<g>\n"
2115  "<path fill-rule=\"evenodd\" style=\"fill:#000000;stroke:#000000;"
2116  "stroke-width:0;stroke-antialiasing:false\" d=\"\n"),(double) columns,
2117  (double) rows);
2118  (void) ConcatenateString(&path,message);
2119  (void) memset(point,0,sizeof(point));
2120  (void) memset(first,0,sizeof(first));
2121  (void) memset(last,0,sizeof(last));
2122  knot_count=0;
2123  in_subpath=MagickFalse;
2124  while (length != 0)
2125  {
2126  selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
2127  switch (selector)
2128  {
2129  case 0:
2130  case 3:
2131  {
2132  if (knot_count != 0)
2133  {
2134  blob+=24;
2135  length-=MagickMin(24,(ssize_t) length);
2136  break;
2137  }
2138  /*
2139  Expected subpath length record.
2140  */
2141  knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
2142  blob+=22;
2143  length-=MagickMin(22,(ssize_t) length);
2144  break;
2145  }
2146  case 1:
2147  case 2:
2148  case 4:
2149  case 5:
2150  {
2151  if (knot_count == 0)
2152  {
2153  /*
2154  Unexpected subpath knot.
2155  */
2156  blob+=24;
2157  length-=MagickMin(24,(ssize_t) length);
2158  break;
2159  }
2160  /*
2161  Add sub-path knot
2162  */
2163  for (i=0; i < 3; i++)
2164  {
2165  unsigned int
2166  xx,
2167  yy;
2168 
2169  yy=(unsigned int) ReadPropertyMSBLong(&blob,&length);
2170  xx=(unsigned int) ReadPropertyMSBLong(&blob,&length);
2171  x=(ssize_t) xx;
2172  if (xx > 2147483647)
2173  x=(ssize_t) xx-4294967295U-1;
2174  y=(ssize_t) yy;
2175  if (yy > 2147483647)
2176  y=(ssize_t) yy-4294967295U-1;
2177  point[i].x=(double) x*columns/4096/4096;
2178  point[i].y=(double) y*rows/4096/4096;
2179  }
2180  if (in_subpath == MagickFalse)
2181  {
2182  (void) FormatLocaleString(message,MagickPathExtent,"M %g %g\n",
2183  point[1].x,point[1].y);
2184  for (i=0; i < 3; i++)
2185  {
2186  first[i]=point[i];
2187  last[i]=point[i];
2188  }
2189  }
2190  else
2191  {
2192  TraceBezierCurve(message,last,point);
2193  for (i=0; i < 3; i++)
2194  last[i]=point[i];
2195  }
2196  (void) ConcatenateString(&path,message);
2197  in_subpath=MagickTrue;
2198  knot_count--;
2199  /*
2200  Close the subpath if there are no more knots.
2201  */
2202  if (knot_count == 0)
2203  {
2204  TraceBezierCurve(message,last,first);
2205  in_subpath=MagickFalse;
2206  }
2207  break;
2208  }
2209  case 6:
2210  case 7:
2211  case 8:
2212  default:
2213  {
2214  blob+=24;
2215  length-=MagickMin(24,(ssize_t) length);
2216  break;
2217  }
2218  }
2219  }
2220  /*
2221  Return an empty SVG image if the path does not have knots.
2222  */
2223  (void) ConcatenateString(&path,"\"/>\n</g>\n</svg>\n");
2224  message=DestroyString(message);
2225  return(path);
2226 }
2227 
2228 MagickExport const char *GetImageProperty(const Image *image,
2229  const char *property,ExceptionInfo *exception)
2230 {
2231  register const char
2232  *p;
2233 
2234  assert(image != (Image *) NULL);
2235  assert(image->signature == MagickCoreSignature);
2236  if (image->debug != MagickFalse)
2237  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2238  p=(const char *) NULL;
2239  if (image->properties != (void *) NULL)
2240  {
2241  if (property == (const char *) NULL)
2242  return((const char *) GetRootValueFromSplayTree((SplayTreeInfo *)
2243  image->properties));
2244  p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2245  image->properties,property);
2246  if (p != (const char *) NULL)
2247  return(p);
2248  }
2249  if ((property == (const char *) NULL) ||
2250  (strchr(property,':') == (char *) NULL))
2251  return(p);
2252  switch (*property)
2253  {
2254  case '8':
2255  {
2256  if (LocaleNCompare("8bim:",property,5) == 0)
2257  {
2258  (void) Get8BIMProperty(image,property,exception);
2259  break;
2260  }
2261  break;
2262  }
2263  case 'E':
2264  case 'e':
2265  {
2266  if (LocaleNCompare("exif:",property,5) == 0)
2267  {
2268  (void) GetEXIFProperty(image,property,exception);
2269  break;
2270  }
2271  break;
2272  }
2273  case 'I':
2274  case 'i':
2275  {
2276  if ((LocaleNCompare("icc:",property,4) == 0) ||
2277  (LocaleNCompare("icm:",property,4) == 0))
2278  {
2279  (void) GetICCProperty(image,property,exception);
2280  break;
2281  }
2282  if (LocaleNCompare("iptc:",property,5) == 0)
2283  {
2284  (void) GetIPTCProperty(image,property,exception);
2285  break;
2286  }
2287  break;
2288  }
2289  case 'X':
2290  case 'x':
2291  {
2292  if (LocaleNCompare("xmp:",property,4) == 0)
2293  {
2294  (void) GetXMPProperty(image,property);
2295  break;
2296  }
2297  break;
2298  }
2299  default:
2300  break;
2301  }
2302  if (image->properties != (void *) NULL)
2303  {
2304  p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2305  image->properties,property);
2306  return(p);
2307  }
2308  return((const char *) NULL);
2309 }
2310 
2311 /*
2312 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2313 % %
2314 % %
2315 % %
2316 + G e t M a g i c k P r o p e r t y %
2317 % %
2318 % %
2319 % %
2320 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2321 %
2322 % GetMagickProperty() gets attributes or calculated values that is associated
2323 % with a fixed known property name, or single letter property. It may be
2324 % called if no image is defined (IMv7), in which case only global image_info
2325 % values are available:
2326 %
2327 % \n newline
2328 % \r carriage return
2329 % < less-than character.
2330 % > greater-than character.
2331 % & ampersand character.
2332 % %% a percent sign
2333 % %b file size of image read in
2334 % %c comment meta-data property
2335 % %d directory component of path
2336 % %e filename extension or suffix
2337 % %f filename (including suffix)
2338 % %g layer canvas page geometry (equivalent to "%Wx%H%X%Y")
2339 % %h current image height in pixels
2340 % %i image filename (note: becomes output filename for "info:")
2341 % %k CALCULATED: number of unique colors
2342 % %l label meta-data property
2343 % %m image file format (file magic)
2344 % %n number of images in current image sequence
2345 % %o output filename (used for delegates)
2346 % %p index of image in current image list
2347 % %q quantum depth (compile-time constant)
2348 % %r image class and colorspace
2349 % %s scene number (from input unless re-assigned)
2350 % %t filename without directory or extension (suffix)
2351 % %u unique temporary filename (used for delegates)
2352 % %w current width in pixels
2353 % %x x resolution (density)
2354 % %y y resolution (density)
2355 % %z image depth (as read in unless modified, image save depth)
2356 % %A image transparency channel enabled (true/false)
2357 % %B file size of image in bytes
2358 % %C image compression type
2359 % %D image GIF dispose method
2360 % %G original image size (%wx%h; before any resizes)
2361 % %H page (canvas) height
2362 % %M Magick filename (original file exactly as given, including read mods)
2363 % %O page (canvas) offset ( = %X%Y )
2364 % %P page (canvas) size ( = %Wx%H )
2365 % %Q image compression quality ( 0 = default )
2366 % %S ?? scenes ??
2367 % %T image time delay (in centi-seconds)
2368 % %U image resolution units
2369 % %W page (canvas) width
2370 % %X page (canvas) x offset (including sign)
2371 % %Y page (canvas) y offset (including sign)
2372 % %Z unique filename (used for delegates)
2373 % %@ CALCULATED: trim bounding box (without actually trimming)
2374 % %# CALCULATED: 'signature' hash of image values
2375 %
2376 % This routine only handles specifically known properties. It does not
2377 % handle special prefixed properties, profiles, or expressions. Nor does
2378 % it return any free-form property strings.
2379 %
2380 % The returned string is stored in a structure somewhere, and should not be
2381 % directly freed. If the string was generated (common) the string will be
2382 % stored as as either as artifact or option 'get-property'. These may be
2383 % deleted (cleaned up) when no longer required, but neither artifact or
2384 % option is guranteed to exist.
2385 %
2386 % The format of the GetMagickProperty method is:
2387 %
2388 % const char *GetMagickProperty(ImageInfo *image_info,Image *image,
2389 % const char *property,ExceptionInfo *exception)
2390 %
2391 % A description of each parameter follows:
2392 %
2393 % o image_info: the image info (optional)
2394 %
2395 % o image: the image (optional)
2396 %
2397 % o key: the key.
2398 %
2399 % o exception: return any errors or warnings in this structure.
2400 %
2401 */
2402 static const char *GetMagickPropertyLetter(ImageInfo *image_info,
2403  Image *image,const char letter,ExceptionInfo *exception)
2404 {
2405 #define WarnNoImageReturn(format,arg) \
2406  if (image == (Image *) NULL ) { \
2407  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2408  "NoImageForProperty",format,arg); \
2409  return((const char *) NULL); \
2410  }
2411 #define WarnNoImageInfoReturn(format,arg) \
2412  if (image_info == (ImageInfo *) NULL ) { \
2413  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2414  "NoImageInfoForProperty",format,arg); \
2415  return((const char *) NULL); \
2416  }
2417 
2418  char
2419  value[MagickPathExtent]; /* formatted string to store as an artifact */
2420 
2421  const char
2422  *string; /* return a string already stored somewher */
2423 
2424  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
2425  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2426  else
2427  if ((image_info != (ImageInfo *) NULL) &&
2428  (image_info->debug != MagickFalse))
2429  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2430  *value='\0'; /* formatted string */
2431  string=(char *) NULL; /* constant string reference */
2432  /*
2433  Get properities that are directly defined by images.
2434  */
2435  switch (letter)
2436  {
2437  case 'b': /* image size read in - in bytes */
2438  {
2439  WarnNoImageReturn("\"%%%c\"",letter);
2440  (void) FormatMagickSize(image->extent,MagickFalse,"B",MagickPathExtent,
2441  value);
2442  if (image->extent == 0)
2443  (void) FormatMagickSize(GetBlobSize(image),MagickFalse,"B",
2444  MagickPathExtent,value);
2445  break;
2446  }
2447  case 'c': /* image comment property - empty string by default */
2448  {
2449  WarnNoImageReturn("\"%%%c\"",letter);
2450  string=GetImageProperty(image,"comment",exception);
2451  if ( string == (const char *) NULL )
2452  string="";
2453  break;
2454  }
2455  case 'd': /* Directory component of filename */
2456  {
2457  WarnNoImageReturn("\"%%%c\"",letter);
2458  GetPathComponent(image->magick_filename,HeadPath,value);
2459  if (*value == '\0')
2460  string="";
2461  break;
2462  }
2463  case 'e': /* Filename extension (suffix) of image file */
2464  {
2465  WarnNoImageReturn("\"%%%c\"",letter);
2466  GetPathComponent(image->magick_filename,ExtensionPath,value);
2467  if (*value == '\0')
2468  string="";
2469  break;
2470  }
2471  case 'f': /* Filename without directory component */
2472  {
2473  WarnNoImageReturn("\"%%%c\"",letter);
2474  GetPathComponent(image->magick_filename,TailPath,value);
2475  if (*value == '\0')
2476  string="";
2477  break;
2478  }
2479  case 'g': /* Image geometry, canvas and offset %Wx%H+%X+%Y */
2480  {
2481  WarnNoImageReturn("\"%%%c\"",letter);
2482  (void) FormatLocaleString(value,MagickPathExtent,
2483  "%.20gx%.20g%+.20g%+.20g",(double) image->page.width,(double)
2484  image->page.height,(double) image->page.x,(double) image->page.y);
2485  break;
2486  }
2487  case 'h': /* Image height (current) */
2488  {
2489  WarnNoImageReturn("\"%%%c\"",letter);
2490  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2491  (image->rows != 0 ? image->rows : image->magick_rows));
2492  break;
2493  }
2494  case 'i': /* Filename last used for an image (read or write) */
2495  {
2496  WarnNoImageReturn("\"%%%c\"",letter);
2497  string=image->filename;
2498  break;
2499  }
2500  case 'k': /* Number of unique colors */
2501  {
2502  /*
2503  FUTURE: ensure this does not generate the formatted comment!
2504  */
2505  WarnNoImageReturn("\"%%%c\"",letter);
2506  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2507  GetNumberColors(image,(FILE *) NULL,exception));
2508  break;
2509  }
2510  case 'l': /* Image label property - empty string by default */
2511  {
2512  WarnNoImageReturn("\"%%%c\"",letter);
2513  string=GetImageProperty(image,"label",exception);
2514  if (string == (const char *) NULL)
2515  string="";
2516  break;
2517  }
2518  case 'm': /* Image format (file magick) */
2519  {
2520  WarnNoImageReturn("\"%%%c\"",letter);
2521  string=image->magick;
2522  break;
2523  }
2524  case 'n': /* Number of images in the list. */
2525  {
2526  if ( image != (Image *) NULL )
2527  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2528  GetImageListLength(image));
2529  else
2530  string="0"; /* no images or scenes */
2531  break;
2532  }
2533  case 'o': /* Output Filename - for delegate use only */
2534  WarnNoImageInfoReturn("\"%%%c\"",letter);
2535  string=image_info->filename;
2536  break;
2537  case 'p': /* Image index in current image list */
2538  {
2539  WarnNoImageReturn("\"%%%c\"",letter);
2540  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2541  GetImageIndexInList(image));
2542  break;
2543  }
2544  case 'q': /* Quantum depth of image in memory */
2545  {
2546  WarnNoImageReturn("\"%%%c\"",letter);
2547  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2548  MAGICKCORE_QUANTUM_DEPTH);
2549  break;
2550  }
2551  case 'r': /* Image storage class, colorspace, and alpha enabled. */
2552  {
2553  ColorspaceType
2554  colorspace;
2555 
2556  WarnNoImageReturn("\"%%%c\"",letter);
2557  colorspace=image->colorspace;
2558  if ((image->columns != 0) && (image->rows != 0) &&
2559  (SetImageGray(image,exception) != MagickFalse))
2560  colorspace=GRAYColorspace; /* FUTURE: this is IMv6 not IMv7 */
2561  (void) FormatLocaleString(value,MagickPathExtent,"%s %s %s",
2562  CommandOptionToMnemonic(MagickClassOptions,(ssize_t)
2563  image->storage_class),CommandOptionToMnemonic(MagickColorspaceOptions,
2564  (ssize_t) colorspace),image->alpha_trait != UndefinedPixelTrait ?
2565  "Alpha" : "");
2566  break;
2567  }
2568  case 's': /* Image scene number */
2569  {
2570 #if 0 /* this seems non-sensical -- simplifing */
2571  if (image_info->number_scenes != 0)
2572  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2573  image_info->scene);
2574  else if (image != (Image *) NULL)
2575  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2576  image->scene);
2577  else
2578  string="0";
2579 #else
2580  WarnNoImageReturn("\"%%%c\"",letter);
2581  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2582  image->scene);
2583 #endif
2584  break;
2585  }
2586  case 't': /* Base filename without directory or extention */
2587  {
2588  WarnNoImageReturn("\"%%%c\"",letter);
2589  GetPathComponent(image->magick_filename,BasePath,value);
2590  if (*value == '\0')
2591  string="";
2592  break;
2593  }
2594  case 'u': /* Unique filename */
2595  {
2596  WarnNoImageInfoReturn("\"%%%c\"",letter);
2597  string=image_info->unique;
2598  break;
2599  }
2600  case 'w': /* Image width (current) */
2601  {
2602  WarnNoImageReturn("\"%%%c\"",letter);
2603  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2604  (image->columns != 0 ? image->columns : image->magick_columns));
2605  break;
2606  }
2607  case 'x': /* Image horizontal resolution (with units) */
2608  {
2609  WarnNoImageReturn("\"%%%c\"",letter);
2610  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2611  fabs(image->resolution.x) > MagickEpsilon ? image->resolution.x : 72.0);
2612  break;
2613  }
2614  case 'y': /* Image vertical resolution (with units) */
2615  {
2616  WarnNoImageReturn("\"%%%c\"",letter);
2617  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2618  fabs(image->resolution.y) > MagickEpsilon ? image->resolution.y : 72.0);
2619  break;
2620  }
2621  case 'z': /* Image depth as read in */
2622  {
2623  WarnNoImageReturn("\"%%%c\"",letter);
2624  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2625  image->depth);
2626  break;
2627  }
2628  case 'A': /* Image alpha channel */
2629  {
2630  WarnNoImageReturn("\"%%%c\"",letter);
2631  string=CommandOptionToMnemonic(MagickPixelTraitOptions,(ssize_t)
2632  image->alpha_trait);
2633  break;
2634  }
2635  case 'B': /* image size read in - in bytes */
2636  {
2637  WarnNoImageReturn("\"%%%c\"",letter);
2638  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2639  image->extent);
2640  if (image->extent == 0)
2641  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2642  GetBlobSize(image));
2643  break;
2644  }
2645  case 'C': /* Image compression method. */
2646  {
2647  WarnNoImageReturn("\"%%%c\"",letter);
2648  string=CommandOptionToMnemonic(MagickCompressOptions,(ssize_t)
2649  image->compression);
2650  break;
2651  }
2652  case 'D': /* Image dispose method. */
2653  {
2654  WarnNoImageReturn("\"%%%c\"",letter);
2655  string=CommandOptionToMnemonic(MagickDisposeOptions,(ssize_t)
2656  image->dispose);
2657  break;
2658  }
2659  case 'G': /* Image size as geometry = "%wx%h" */
2660  {
2661  WarnNoImageReturn("\"%%%c\"",letter);
2662  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",(double)
2663  image->magick_columns,(double) image->magick_rows);
2664  break;
2665  }
2666  case 'H': /* layer canvas height */
2667  {
2668  WarnNoImageReturn("\"%%%c\"",letter);
2669  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2670  image->page.height);
2671  break;
2672  }
2673  case 'M': /* Magick filename - filename given incl. coder & read mods */
2674  {
2675  WarnNoImageReturn("\"%%%c\"",letter);
2676  string=image->magick_filename;
2677  break;
2678  }
2679  case 'O': /* layer canvas offset with sign = "+%X+%Y" */
2680  {
2681  WarnNoImageReturn("\"%%%c\"",letter);
2682  (void) FormatLocaleString(value,MagickPathExtent,"%+ld%+ld",(long)
2683  image->page.x,(long) image->page.y);
2684  break;
2685  }
2686  case 'P': /* layer canvas page size = "%Wx%H" */
2687  {
2688  WarnNoImageReturn("\"%%%c\"",letter);
2689  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",(double)
2690  image->page.width,(double) image->page.height);
2691  break;
2692  }
2693  case 'Q': /* image compression quality */
2694  {
2695  WarnNoImageReturn("\"%%%c\"",letter);
2696  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2697  (image->quality == 0 ? 92 : image->quality));
2698  break;
2699  }
2700  case 'S': /* Number of scenes in image list. */
2701  {
2702  WarnNoImageInfoReturn("\"%%%c\"",letter);
2703 #if 0 /* What is this number? -- it makes no sense - simplifing */
2704  if (image_info->number_scenes == 0)
2705  string="2147483647";
2706  else if ( image != (Image *) NULL )
2707  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2708  image_info->scene+image_info->number_scenes);
2709  else
2710  string="0";
2711 #else
2712  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2713  (image_info->number_scenes == 0 ? 2147483647 :
2714  image_info->number_scenes));
2715 #endif
2716  break;
2717  }
2718  case 'T': /* image time delay for animations */
2719  {
2720  WarnNoImageReturn("\"%%%c\"",letter);
2721  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2722  image->delay);
2723  break;
2724  }
2725  case 'U': /* Image resolution units. */
2726  {
2727  WarnNoImageReturn("\"%%%c\"",letter);
2728  string=CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2729  image->units);
2730  break;
2731  }
2732  case 'W': /* layer canvas width */
2733  {
2734  WarnNoImageReturn("\"%%%c\"",letter);
2735  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2736  image->page.width);
2737  break;
2738  }
2739  case 'X': /* layer canvas X offset */
2740  {
2741  WarnNoImageReturn("\"%%%c\"",letter);
2742  (void) FormatLocaleString(value,MagickPathExtent,"%+.20g",(double)
2743  image->page.x);
2744  break;
2745  }
2746  case 'Y': /* layer canvas Y offset */
2747  {
2748  WarnNoImageReturn("\"%%%c\"",letter);
2749  (void) FormatLocaleString(value,MagickPathExtent,"%+.20g",(double)
2750  image->page.y);
2751  break;
2752  }
2753  case '%': /* percent escaped */
2754  {
2755  string="%";
2756  break;
2757  }
2758  case '@': /* Trim bounding box, without actually Trimming! */
2759  {
2760  RectangleInfo
2761  page;
2762 
2763  WarnNoImageReturn("\"%%%c\"",letter);
2764  page=GetImageBoundingBox(image,exception);
2765  (void) FormatLocaleString(value,MagickPathExtent,
2766  "%.20gx%.20g%+.20g%+.20g",(double) page.width,(double) page.height,
2767  (double) page.x,(double)page.y);
2768  break;
2769  }
2770  case '#':
2771  {
2772  /*
2773  Image signature.
2774  */
2775  WarnNoImageReturn("\"%%%c\"",letter);
2776  if ((image->columns != 0) && (image->rows != 0))
2777  (void) SignatureImage(image,exception);
2778  string=GetImageProperty(image,"signature",exception);
2779  break;
2780  }
2781  }
2782  if (string != (char *) NULL)
2783  return(string);
2784  if (*value != '\0')
2785  {
2786  /*
2787  Create a cloned copy of result.
2788  */
2789  if (image != (Image *) NULL)
2790  {
2791  (void) SetImageArtifact(image,"get-property",value);
2792  return(GetImageArtifact(image,"get-property"));
2793  }
2794  else
2795  {
2796  (void) SetImageOption(image_info,"get-property",value);
2797  return(GetImageOption(image_info,"get-property"));
2798  }
2799  }
2800  return((char *) NULL);
2801 }
2802 
2803 MagickExport const char *GetMagickProperty(ImageInfo *image_info,
2804  Image *image,const char *property,ExceptionInfo *exception)
2805 {
2806  char
2807  value[MagickPathExtent];
2808 
2809  const char
2810  *string;
2811 
2812  assert(property[0] != '\0');
2813  assert(image != (Image *) NULL || image_info != (ImageInfo *) NULL );
2814  if (property[1] == '\0') /* single letter property request */
2815  return(GetMagickPropertyLetter(image_info,image,*property,exception));
2816  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
2817  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2818  else
2819  if ((image_info != (ImageInfo *) NULL) &&
2820  (image_info->debug != MagickFalse))
2821  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2822  *value='\0'; /* formated string */
2823  string=(char *) NULL; /* constant string reference */
2824  switch (*property)
2825  {
2826  case 'b':
2827  {
2828  if (LocaleCompare("basename",property) == 0)
2829  {
2830  WarnNoImageReturn("\"%%[%s]\"",property);
2831  GetPathComponent(image->magick_filename,BasePath,value);
2832  if (*value == '\0')
2833  string="";
2834  break;
2835  }
2836  if (LocaleCompare("bit-depth",property) == 0)
2837  {
2838  WarnNoImageReturn("\"%%[%s]\"",property);
2839  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2840  GetImageDepth(image,exception));
2841  break;
2842  }
2843  break;
2844  }
2845  case 'c':
2846  {
2847  if (LocaleCompare("channels",property) == 0)
2848  {
2849  WarnNoImageReturn("\"%%[%s]\"",property);
2850  /* FUTURE: return actual image channels */
2851  (void) FormatLocaleString(value,MagickPathExtent,"%s",
2852  CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2853  image->colorspace));
2854  LocaleLower(value);
2855  if( image->alpha_trait != UndefinedPixelTrait )
2856  (void) ConcatenateMagickString(value,"a",MagickPathExtent);
2857  break;
2858  }
2859  if (LocaleCompare("colors",property) == 0)
2860  {
2861  WarnNoImageReturn("\"%%[%s]\"",property);
2862  image->colors=GetNumberColors(image,(FILE *) NULL,exception);
2863  (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2864  image->colors);
2865  break;
2866  }
2867  if (LocaleCompare("colorspace",property) == 0)
2868  {
2869  WarnNoImageReturn("\"%%[%s]\"",property);
2870  string=CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2871  image->colorspace);
2872  break;
2873  }
2874  if (LocaleCompare("compose",property) == 0)
2875  {
2876  WarnNoImageReturn("\"%%[%s]\"",property);
2877  string=CommandOptionToMnemonic(MagickComposeOptions,(ssize_t)
2878  image->compose);
2879  break;
2880  }
2881  if (LocaleCompare("compression",property) == 0)
2882  {
2883  WarnNoImageReturn("\"%%[%s]\"",property);
2884  string=CommandOptionToMnemonic(MagickCompressOptions,(ssize_t)
2885  image->compression);
2886  break;
2887  }
2888  if (LocaleCompare("copyright",property) == 0)
2889  {
2890  (void) CopyMagickString(value,GetMagickCopyright(),MagickPathExtent);
2891  break;
2892  }
2893  break;
2894  }
2895  case 'd':
2896  {
2897  if (LocaleCompare("depth",property) == 0)
2898  {
2899  WarnNoImageReturn("\"%%[%s]\"",property);
2900  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
2901  image->depth);
2902  break;
2903  }
2904  if (LocaleCompare("directory",property) == 0)
2905  {
2906  WarnNoImageReturn("\"%%[%s]\"",property);
2907  GetPathComponent(image->magick_filename,HeadPath,value);
2908  if (*value == '\0')
2909  string="";
2910  break;
2911  }
2912  break;
2913  }
2914  case 'e':
2915  {
2916  if (LocaleCompare("entropy",property) == 0)
2917  {
2918  double
2919  entropy;
2920 
2921  WarnNoImageReturn("\"%%[%s]\"",property);
2922  (void) GetImageEntropy(image,&entropy,exception);
2923  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2924  GetMagickPrecision(),entropy);
2925  break;
2926  }
2927  if (LocaleCompare("extension",property) == 0)
2928  {
2929  WarnNoImageReturn("\"%%[%s]\"",property);
2930  GetPathComponent(image->magick_filename,ExtensionPath,value);
2931  if (*value == '\0')
2932  string="";
2933  break;
2934  }
2935  break;
2936  }
2937  case 'g':
2938  {
2939  if (LocaleCompare("gamma",property) == 0)
2940  {
2941  WarnNoImageReturn("\"%%[%s]\"",property);
2942  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2943  GetMagickPrecision(),image->gamma);
2944  break;
2945  }
2946  break;
2947  }
2948  case 'h':
2949  {
2950  if (LocaleCompare("height",property) == 0)
2951  {
2952  WarnNoImageReturn("\"%%[%s]\"",property);
2953  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",
2954  image->magick_rows != 0 ? (double) image->magick_rows : 256.0);
2955  break;
2956  }
2957  break;
2958  }
2959  case 'i':
2960  {
2961  if (LocaleCompare("input",property) == 0)
2962  {
2963  WarnNoImageReturn("\"%%[%s]\"",property);
2964  string=image->filename;
2965  break;
2966  }
2967  if (LocaleCompare("interlace",property) == 0)
2968  {
2969  WarnNoImageReturn("\"%%[%s]\"",property);
2970  string=CommandOptionToMnemonic(MagickInterlaceOptions,(ssize_t)
2971  image->interlace);
2972  break;
2973  }
2974  break;
2975  }
2976  case 'k':
2977  {
2978  if (LocaleCompare("kurtosis",property) == 0)
2979  {
2980  double
2981  kurtosis,
2982  skewness;
2983 
2984  WarnNoImageReturn("\"%%[%s]\"",property);
2985  (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
2986  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
2987  GetMagickPrecision(),kurtosis);
2988  break;
2989  }
2990  break;
2991  }
2992  case 'm':
2993  {
2994  if (LocaleCompare("magick",property) == 0)
2995  {
2996  WarnNoImageReturn("\"%%[%s]\"",property);
2997  string=image->magick;
2998  break;
2999  }
3000  if ((LocaleCompare("maxima",property) == 0) ||
3001  (LocaleCompare("max",property) == 0))
3002  {
3003  double
3004  maximum,
3005  minimum;
3006 
3007  WarnNoImageReturn("\"%%[%s]\"",property);
3008  (void) GetImageRange(image,&minimum,&maximum,exception);
3009  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3010  GetMagickPrecision(),maximum);
3011  break;
3012  }
3013  if (LocaleCompare("mean",property) == 0)
3014  {
3015  double
3016  mean,
3017  standard_deviation;
3018 
3019  WarnNoImageReturn("\"%%[%s]\"",property);
3020  (void) GetImageMean(image,&mean,&standard_deviation,exception);
3021  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3022  GetMagickPrecision(),mean);
3023  break;
3024  }
3025  if ((LocaleCompare("minima",property) == 0) ||
3026  (LocaleCompare("min",property) == 0))
3027  {
3028  double
3029  maximum,
3030  minimum;
3031 
3032  WarnNoImageReturn("\"%%[%s]\"",property);
3033  (void) GetImageRange(image,&minimum,&maximum,exception);
3034  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3035  GetMagickPrecision(),minimum);
3036  break;
3037  }
3038  break;
3039  }
3040  case 'o':
3041  {
3042  if (LocaleCompare("opaque",property) == 0)
3043  {
3044  WarnNoImageReturn("\"%%[%s]\"",property);
3045  string=CommandOptionToMnemonic(MagickBooleanOptions,(ssize_t)
3046  IsImageOpaque(image,exception));
3047  break;
3048  }
3049  if (LocaleCompare("orientation",property) == 0)
3050  {
3051  WarnNoImageReturn("\"%%[%s]\"",property);
3052  string=CommandOptionToMnemonic(MagickOrientationOptions,(ssize_t)
3053  image->orientation);
3054  break;
3055  }
3056  if (LocaleCompare("output",property) == 0)
3057  {
3058  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3059  (void) CopyMagickString(value,image_info->filename,MagickPathExtent);
3060  break;
3061  }
3062  break;
3063  }
3064  case 'p':
3065  {
3066  if (LocaleCompare("page",property) == 0)
3067  {
3068  WarnNoImageReturn("\"%%[%s]\"",property);
3069  (void) FormatLocaleString(value,MagickPathExtent,"%.20gx%.20g",
3070  (double) image->page.width,(double) image->page.height);
3071  break;
3072  }
3073 #if defined(MAGICKCORE_LCMS_DELEGATE)
3074  if (LocaleCompare("profile:icc",property) == 0 ||
3075  LocaleCompare("profile:icm",property) == 0)
3076  {
3077 #if !defined(LCMS_VERSION) || (LCMS_VERSION < 2000)
3078 #define cmsUInt32Number DWORD
3079 #endif
3080 
3081  const StringInfo
3082  *profile;
3083 
3084  cmsHPROFILE
3085  icc_profile;
3086 
3087  WarnNoImageReturn("\"%%[%s]\"",property);
3088  profile=GetImageProfile(image,property+8);
3089  if (profile == (StringInfo *) NULL)
3090  break;
3091  icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
3092  (cmsUInt32Number) GetStringInfoLength(profile));
3093  if (icc_profile != (cmsHPROFILE *) NULL)
3094  {
3095 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
3096  string=cmsTakeProductName(icc_profile);
3097 #else
3098  (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,
3099  "en","US",value,MagickPathExtent);
3100 #endif
3101  (void) cmsCloseProfile(icc_profile);
3102  }
3103  }
3104 #endif
3105  if (LocaleCompare("printsize.x",property) == 0)
3106  {
3107  WarnNoImageReturn("\"%%[%s]\"",property);
3108  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3109  GetMagickPrecision(),PerceptibleReciprocal(image->resolution.x)*
3110  image->columns);
3111  break;
3112  }
3113  if (LocaleCompare("printsize.y",property) == 0)
3114  {
3115  WarnNoImageReturn("\"%%[%s]\"",property);
3116  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3117  GetMagickPrecision(),PerceptibleReciprocal(image->resolution.y)*
3118  image->rows);
3119  break;
3120  }
3121  if (LocaleCompare("profiles",property) == 0)
3122  {
3123  const char
3124  *name;
3125 
3126  WarnNoImageReturn("\"%%[%s]\"",property);
3127  ResetImageProfileIterator(image);
3128  name=GetNextImageProfile(image);
3129  if (name != (char *) NULL)
3130  {
3131  (void) CopyMagickString(value,name,MagickPathExtent);
3132  name=GetNextImageProfile(image);
3133  while (name != (char *) NULL)
3134  {
3135  ConcatenateMagickString(value,",",MagickPathExtent);
3136  ConcatenateMagickString(value,name,MagickPathExtent);
3137  name=GetNextImageProfile(image);
3138  }
3139  }
3140  break;
3141  }
3142  break;
3143  }
3144  case 'q':
3145  {
3146  if (LocaleCompare("quality",property) == 0)
3147  {
3148  WarnNoImageReturn("\"%%[%s]\"",property);
3149  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3150  image->quality);
3151  break;
3152  }
3153  break;
3154  }
3155  case 'r':
3156  {
3157  if (LocaleCompare("resolution.x",property) == 0)
3158  {
3159  WarnNoImageReturn("\"%%[%s]\"",property);
3160  (void) FormatLocaleString(value,MagickPathExtent,"%g",
3161  image->resolution.x);
3162  break;
3163  }
3164  if (LocaleCompare("resolution.y",property) == 0)
3165  {
3166  WarnNoImageReturn("\"%%[%s]\"",property);
3167  (void) FormatLocaleString(value,MagickPathExtent,"%g",
3168  image->resolution.y);
3169  break;
3170  }
3171  break;
3172  }
3173  case 's':
3174  {
3175  if (LocaleCompare("scene",property) == 0)
3176  {
3177  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3178  if (image_info->number_scenes != 0)
3179  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3180  image_info->scene);
3181  else {
3182  WarnNoImageReturn("\"%%[%s]\"",property);
3183  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3184  image->scene);
3185  }
3186  break;
3187  }
3188  if (LocaleCompare("scenes",property) == 0)
3189  {
3190  /* FUTURE: equivelent to %n? */
3191  WarnNoImageReturn("\"%%[%s]\"",property);
3192  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3193  GetImageListLength(image));
3194  break;
3195  }
3196  if (LocaleCompare("size",property) == 0)
3197  {
3198  WarnNoImageReturn("\"%%[%s]\"",property);
3199  (void) FormatMagickSize(GetBlobSize(image),MagickFalse,"B",
3200  MagickPathExtent,value);
3201  break;
3202  }
3203  if (LocaleCompare("skewness",property) == 0)
3204  {
3205  double
3206  kurtosis,
3207  skewness;
3208 
3209  WarnNoImageReturn("\"%%[%s]\"",property);
3210  (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
3211  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3212  GetMagickPrecision(),skewness);
3213  break;
3214  }
3215  if (LocaleCompare("standard-deviation",property) == 0)
3216  {
3217  double
3218  mean,
3219  standard_deviation;
3220 
3221  WarnNoImageReturn("\"%%[%s]\"",property);
3222  (void) GetImageMean(image,&mean,&standard_deviation,exception);
3223  (void) FormatLocaleString(value,MagickPathExtent,"%.*g",
3224  GetMagickPrecision(),standard_deviation);
3225  break;
3226  }
3227  break;
3228  }
3229  case 't':
3230  {
3231  if (LocaleCompare("type",property) == 0)
3232  {
3233  WarnNoImageReturn("\"%%[%s]\"",property);
3234  string=CommandOptionToMnemonic(MagickTypeOptions,(ssize_t)
3235  IdentifyImageType(image,exception));
3236  break;
3237  }
3238  break;
3239  }
3240  case 'u':
3241  {
3242  if (LocaleCompare("unique",property) == 0)
3243  {
3244  WarnNoImageInfoReturn("\"%%[%s]\"",property);
3245  string=image_info->unique;
3246  break;
3247  }
3248  if (LocaleCompare("units",property) == 0)
3249  {
3250  WarnNoImageReturn("\"%%[%s]\"",property);
3251  string=CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
3252  image->units);
3253  break;
3254  }
3255  break;
3256  }
3257  case 'v':
3258  {
3259  if (LocaleCompare("version",property) == 0)
3260  {
3261  string=GetMagickVersion((size_t *) NULL);
3262  break;
3263  }
3264  break;
3265  }
3266  case 'w':
3267  {
3268  if (LocaleCompare("width",property) == 0)
3269  {
3270  WarnNoImageReturn("\"%%[%s]\"",property);
3271  (void) FormatLocaleString(value,MagickPathExtent,"%.20g",(double)
3272  (image->magick_columns != 0 ? image->magick_columns : 256));
3273  break;
3274  }
3275  break;
3276  }
3277  }
3278  if (string != (char *) NULL)
3279  return(string);
3280  if (*value != '\0')
3281  {
3282  /*
3283  Create a cloned copy of result, that will get cleaned up, eventually.
3284  */
3285  if (image != (Image *) NULL)
3286  {
3287  (void) SetImageArtifact(image,"get-property",value);
3288  return(GetImageArtifact(image,"get-property"));
3289  }
3290  else
3291  {
3292  (void) SetImageOption(image_info,"get-property",value);
3293  return(GetImageOption(image_info,"get-property"));
3294  }
3295  }
3296  return((char *) NULL);
3297 }
3298 #undef WarnNoImageReturn
3299 
3300 /*
3301 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3302 % %
3303 % %
3304 % %
3305 % G e t N e x t I m a g e P r o p e r t y %
3306 % %
3307 % %
3308 % %
3309 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3310 %
3311 % GetNextImageProperty() gets the next free-form string property name.
3312 %
3313 % The format of the GetNextImageProperty method is:
3314 %
3315 % char *GetNextImageProperty(const Image *image)
3316 %
3317 % A description of each parameter follows:
3318 %
3319 % o image: the image.
3320 %
3321 */
3322 MagickExport const char *GetNextImageProperty(const Image *image)
3323 {
3324  assert(image != (Image *) NULL);
3325  assert(image->signature == MagickCoreSignature);
3326  if (image->debug != MagickFalse)
3327  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3328  image->filename);
3329  if (image->properties == (void *) NULL)
3330  return((const char *) NULL);
3331  return((const char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->properties));
3332 }
3333 
3334 /*
3335 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3336 % %
3337 % %
3338 % %
3339 % I n t e r p r e t I m a g e P r o p e r t i e s %
3340 % %
3341 % %
3342 % %
3343 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3344 %
3345 % InterpretImageProperties() replaces any embedded formatting characters with
3346 % the appropriate image property and returns the interpreted text.
3347 %
3348 % This searches for and replaces
3349 % \n \r \% replaced by newline, return, and percent resp.
3350 % &lt; &gt; &amp; replaced by '<', '>', '&' resp.
3351 % %% replaced by percent
3352 %
3353 % %x %[x] where 'x' is a single letter properity, case sensitive).
3354 % %[type:name] where 'type' a is special and known prefix.
3355 % %[name] where 'name' is a specifically known attribute, calculated
3356 % value, or a per-image property string name, or a per-image
3357 % 'artifact' (as generated from a global option).
3358 % It may contain ':' as long as the prefix is not special.
3359 %
3360 % Single letter % substitutions will only happen if the character before the
3361 % percent is NOT a number. But braced substitutions will always be performed.
3362 % This prevents the typical usage of percent in a interpreted geometry
3363 % argument from being substituted when the percent is a geometry flag.
3364 %
3365 % If 'glob-expresions' ('*' or '?' characters) is used for 'name' it may be
3366 % used as a search pattern to print multiple lines of "name=value\n" pairs of
3367 % the associacted set of properties.
3368 %
3369 % The returned string must be freed using DestoryString() by the caller.
3370 %
3371 % The format of the InterpretImageProperties method is:
3372 %
3373 % char *InterpretImageProperties(ImageInfo *image_info,
3374 % Image *image,const char *embed_text,ExceptionInfo *exception)
3375 %
3376 % A description of each parameter follows:
3377 %
3378 % o image_info: the image info. (required)
3379 %
3380 % o image: the image. (optional)
3381 %
3382 % o embed_text: the address of a character string containing the embedded
3383 % formatting characters.
3384 %
3385 % o exception: return any errors or warnings in this structure.
3386 %
3387 */
3388 MagickExport char *InterpretImageProperties(ImageInfo *image_info,Image *image,
3389  const char *embed_text,ExceptionInfo *exception)
3390 {
3391 #define ExtendInterpretText(string_length) \
3392 DisableMSCWarning(4127) \
3393 { \
3394  size_t length=(string_length); \
3395  if ((size_t) (q-interpret_text+length+1) >= extent) \
3396  { \
3397  extent+=length; \
3398  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3399  MaxTextExtent,sizeof(*interpret_text)); \
3400  if (interpret_text == (char *) NULL) \
3401  { \
3402  if (property_image != image) \
3403  property_image=DestroyImage(property_image); \
3404  if (property_info != image_info) \
3405  property_info=DestroyImageInfo(property_info); \
3406  return((char *) NULL); \
3407  } \
3408  q=interpret_text+strlen(interpret_text); \
3409  } \
3410 } \
3411 RestoreMSCWarning
3412 
3413 #define AppendKeyValue2Text(key,value)\
3414 DisableMSCWarning(4127) \
3415 { \
3416  size_t length=strlen(key)+strlen(value)+2; \
3417  if ((size_t) (q-interpret_text+length+1) >= extent) \
3418  { \
3419  extent+=length; \
3420  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3421  MaxTextExtent,sizeof(*interpret_text)); \
3422  if (interpret_text == (char *) NULL) \
3423  { \
3424  if (property_image != image) \
3425  property_image=DestroyImage(property_image); \
3426  if (property_info != image_info) \
3427  property_info=DestroyImageInfo(property_info); \
3428  return((char *) NULL); \
3429  } \
3430  q=interpret_text+strlen(interpret_text); \
3431  } \
3432  q+=FormatLocaleString(q,extent,"%s=%s\n",(key),(value)); \
3433 } \
3434 RestoreMSCWarning
3435 
3436 #define AppendString2Text(string) \
3437 DisableMSCWarning(4127) \
3438 { \
3439  size_t length=strlen((string)); \
3440  if ((size_t) (q-interpret_text+length+1) >= extent) \
3441  { \
3442  extent+=length; \
3443  interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
3444  MaxTextExtent,sizeof(*interpret_text)); \
3445  if (interpret_text == (char *) NULL) \
3446  { \
3447  if (property_image != image) \
3448  property_image=DestroyImage(property_image); \
3449  if (property_info != image_info) \
3450  property_info=DestroyImageInfo(property_info); \
3451  return((char *) NULL); \
3452  } \
3453  q=interpret_text+strlen(interpret_text); \
3454  } \
3455  (void) CopyMagickString(q,(string),extent); \
3456  q+=length; \
3457 } \
3458 RestoreMSCWarning
3459 
3460  char
3461  *interpret_text;
3462 
3463  Image
3464  *property_image;
3465 
3466  ImageInfo
3467  *property_info;
3468 
3469  MagickBooleanType
3470  number;
3471 
3472  register char
3473  *q; /* current position in interpret_text */
3474 
3475  register const char
3476  *p; /* position in embed_text string being expanded */
3477 
3478  size_t
3479  extent; /* allocated length of interpret_text */
3480 
3481  if ((image != (Image *) NULL) && (image->debug != MagickFalse))
3482  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3483  else
3484  if ((image_info != (ImageInfo *) NULL) && (image_info->debug != MagickFalse))
3485  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3486  image_info->filename);
3487  else
3488  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no image");
3489  if (embed_text == (const char *) NULL)
3490  return(ConstantString(""));
3491  p=embed_text;
3492  while ((isspace((int) ((unsigned char) *p)) != 0) && (*p != '\0'))
3493  p++;
3494  if (*p == '\0')
3495  return(ConstantString(""));
3496  if ((*p == '@') && (IsPathAccessible(p+1) != MagickFalse))
3497  {
3498  /*
3499  Handle a '@' replace string from file.
3500  */
3501  if (IsRightsAuthorized(PathPolicyDomain,ReadPolicyRights,p) == MagickFalse)
3502  {
3503  errno=EPERM;
3504  (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
3505  "NotAuthorized","`%s'",p);
3506  return(ConstantString(""));
3507  }
3508  interpret_text=FileToString(p+1,~0UL,exception);
3509  if (interpret_text != (char *) NULL)
3510  return(interpret_text);
3511  }
3512  /*
3513  Translate any embedded format characters.
3514  */
3515  if (image_info != (ImageInfo *) NULL)
3516  property_info=image_info;
3517  else
3518  property_info=CloneImageInfo(image_info);
3519  if ((image != (Image *) NULL) && (image->columns != 0) && (image->rows != 0))
3520  property_image=image;
3521  else
3522  {
3523  property_image=AcquireImage(image_info,exception);
3524  (void) SetImageExtent(property_image,1,1,exception);
3525  (void) SetImageBackgroundColor(property_image,exception);
3526  }
3527  interpret_text=AcquireString(embed_text); /* new string with extra space */
3528  extent=MagickPathExtent; /* allocated space in string */
3529  number=MagickFalse; /* is last char a number? */
3530  for (q=interpret_text; *p!='\0'; number=isdigit((int) ((unsigned char) *p)) ? MagickTrue : MagickFalse,p++)
3531  {
3532  /*
3533  Look for the various escapes, (and handle other specials)
3534  */
3535  *q='\0';
3536  ExtendInterpretText(MagickPathExtent);
3537  switch (*p)
3538  {
3539  case '\\':
3540  {
3541  switch (*(p+1))
3542  {
3543  case '\0':
3544  continue;
3545  case 'r': /* convert to RETURN */
3546  {
3547  *q++='\r';
3548  p++;
3549  continue;
3550  }
3551  case 'n': /* convert to NEWLINE */
3552  {
3553  *q++='\n';
3554  p++;
3555  continue;
3556  }
3557  case '\n': /* EOL removal UNIX,MacOSX */
3558  {
3559  p++;
3560  continue;
3561  }
3562  case '\r': /* EOL removal DOS,Windows */
3563  {
3564  p++;
3565  if (*p == '\n') /* return-newline EOL */
3566  p++;
3567  continue;
3568  }
3569  default:
3570  {
3571  p++;
3572  *q++=(*p);
3573  }
3574  }
3575  continue;
3576  }
3577  case '&':
3578  {
3579  if (LocaleNCompare("&lt;",p,4) == 0)
3580  {
3581  *q++='<';
3582  p+=3;
3583  }
3584  else
3585  if (LocaleNCompare("&gt;",p,4) == 0)
3586  {
3587  *q++='>';
3588  p+=3;
3589  }
3590  else
3591  if (LocaleNCompare("&amp;",p,5) == 0)
3592  {
3593  *q++='&';
3594  p+=4;
3595  }
3596  else
3597  *q++=(*p);
3598  continue;
3599  }
3600  case '%':
3601  break; /* continue to next set of handlers */
3602  default:
3603  {
3604  *q++=(*p); /* any thing else is 'as normal' */
3605  continue;
3606  }
3607  }
3608  p++; /* advance beyond the percent */
3609  /*
3610  Doubled Percent - or percent at end of string.
3611  */
3612  if ((*p == '\0') || (*p == '\'') || (*p == '"'))
3613  p--;
3614  if (*p == '%')
3615  {
3616  *q++='%';
3617  continue;
3618  }
3619  /*
3620  Single letter escapes %c.
3621  */
3622  if (*p != '[')
3623  {
3624  const char
3625  *string;
3626 
3627  if (number != MagickFalse)
3628  {
3629  /*
3630  But only if not preceeded by a number!
3631  */
3632  *q++='%'; /* do NOT substitute the percent */
3633  p--; /* back up one */
3634  continue;
3635  }
3636  string=GetMagickPropertyLetter(property_info,image,*p,exception);
3637  if (string != (char *) NULL)
3638  {
3639  AppendString2Text(string);
3640  (void) DeleteImageArtifact(property_image,"get-property");
3641  (void) DeleteImageOption(property_info,"get-property");
3642  continue;
3643  }
3644  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3645  "UnknownImageProperty","\"%%%c\"",*p);
3646  continue;
3647  }
3648  {
3649  char
3650  pattern[2*MagickPathExtent];
3651 
3652  const char
3653  *key,
3654  *string;
3655 
3656  register ssize_t
3657  len;
3658 
3659  ssize_t
3660  depth;
3661 
3662  /*
3663  Braced Percent Escape %[...].
3664  */
3665  p++; /* advance p to just inside the opening brace */
3666  depth=1;
3667  if (*p == ']')
3668  {
3669  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3670  "UnknownImageProperty","\"%%[]\"");
3671  break;
3672  }
3673  for (len=0; len < (MagickPathExtent-1L) && (*p != '\0'); )
3674  {
3675  if ((*p == '\\') && (*(p+1) != '\0'))
3676  {
3677  /*
3678  Skip escaped braces within braced pattern.
3679  */
3680  pattern[len++]=(*p++);
3681  pattern[len++]=(*p++);
3682  continue;
3683  }
3684  if (*p == '[')
3685  depth++;
3686  if (*p == ']')
3687  depth--;
3688  if (depth <= 0)
3689  break;
3690  pattern[len++]=(*p++);
3691  }
3692  pattern[len]='\0';
3693  if (depth != 0)
3694  {
3695  /*
3696  Check for unmatched final ']' for "%[...]".
3697  */
3698  if (len >= 64)
3699  {
3700  pattern[61] = '.'; /* truncate string for error message */
3701  pattern[62] = '.';
3702  pattern[63] = '.';
3703  pattern[64] = '\0';
3704  }
3705  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
3706  "UnbalancedBraces","\"%%[%s\"",pattern);
3707  interpret_text=DestroyString(interpret_text);
3708  if (property_image != image)
3709  property_image=DestroyImage(property_image);
3710  if (property_info != image_info)
3711  property_info=DestroyImageInfo(property_info);
3712  return((char *) NULL);
3713  }
3714  /*
3715  Special Lookup Prefixes %[prefix:...].
3716  */
3717  if (LocaleNCompare("fx:",pattern,3) == 0)
3718  {
3719  double
3720  value;
3721 
3722  FxInfo
3723  *fx_info;
3724 
3725  MagickBooleanType
3726  status;
3727 
3728  /*
3729  FX - value calculator.
3730  */
3731  fx_info=AcquireFxInfo(property_image,pattern+3,exception);
3732  status=FxEvaluateChannelExpression(fx_info,CompositePixelChannel,0,0,
3733  &value,exception);
3734  fx_info=DestroyFxInfo(fx_info);
3735  if (status != MagickFalse)
3736  {
3737  char
3738  result[MagickPathExtent];
3739 
3740  (void) FormatLocaleString(result,MagickPathExtent,"%.*g",
3741  GetMagickPrecision(),(double) value);
3742  AppendString2Text(result);
3743  }
3744  continue;
3745  }
3746  if (LocaleNCompare("hex:",pattern,4) == 0)
3747  {
3748  double
3749  value;
3750 
3751  FxInfo
3752  *fx_info;
3753 
3754  MagickStatusType
3755  status;
3756 
3757  PixelInfo
3758  pixel;
3759 
3760  /*
3761  Pixel - color value calculator.
3762  */
3763  GetPixelInfo(property_image,&pixel);
3764  fx_info=AcquireFxInfo(property_image,pattern+4,exception);
3765  status=FxEvaluateChannelExpression(fx_info,RedPixelChannel,0,0,
3766  &value,exception);
3767  pixel.red=(double) QuantumRange*value;
3768  status&=FxEvaluateChannelExpression(fx_info,GreenPixelChannel,0,0,
3769  &value,exception);
3770  pixel.green=(double) QuantumRange*value;
3771  status&=FxEvaluateChannelExpression(fx_info,BluePixelChannel,0,0,
3772  &value,exception);
3773  pixel.blue=(double) QuantumRange*value;
3774  if (property_image->colorspace == CMYKColorspace)
3775  {
3776  status&=FxEvaluateChannelExpression(fx_info,BlackPixelChannel,0,0,
3777  &value,exception);
3778  pixel.black=(double) QuantumRange*value;
3779  }
3780  status&=FxEvaluateChannelExpression(fx_info,AlphaPixelChannel,0,0,
3781  &value,exception);
3782  pixel.alpha=(double) QuantumRange*value;
3783  fx_info=DestroyFxInfo(fx_info);
3784  if (status != MagickFalse)
3785  {
3786  char
3787  hex[MagickPathExtent],
3788  name[MagickPathExtent];
3789 
3790  (void) QueryColorname(property_image,&pixel,SVGCompliance,name,
3791  exception);
3792  GetColorTuple(&pixel,MagickTrue,hex);
3793  AppendString2Text(hex+1);
3794  }
3795  continue;
3796  }
3797  if (LocaleNCompare("pixel:",pattern,6) == 0)
3798  {
3799  double
3800  value;
3801 
3802  FxInfo
3803  *fx_info;
3804 
3805  MagickStatusType
3806  status;
3807 
3808  PixelInfo
3809  pixel;
3810 
3811  /*
3812  Pixel - color value calculator.
3813  */
3814  GetPixelInfo(property_image,&pixel);
3815  fx_info=AcquireFxInfo(property_image,pattern+6,exception);
3816  status=FxEvaluateChannelExpression(fx_info,RedPixelChannel,0,0,
3817  &value,exception);
3818  pixel.red=(double) QuantumRange*value;
3819  status&=FxEvaluateChannelExpression(fx_info,GreenPixelChannel,0,0,
3820  &value,exception);
3821  pixel.green=(double) QuantumRange*value;
3822  status&=FxEvaluateChannelExpression(fx_info,BluePixelChannel,0,0,
3823  &value,exception);
3824  pixel.blue=(double) QuantumRange*value;
3825  if (property_image->colorspace == CMYKColorspace)
3826  {
3827  status&=FxEvaluateChannelExpression(fx_info,BlackPixelChannel,0,0,
3828  &value,exception);
3829  pixel.black=(double) QuantumRange*value;
3830  }
3831  status&=FxEvaluateChannelExpression(fx_info,AlphaPixelChannel,0,0,
3832  &value,exception);
3833  pixel.alpha=(double) QuantumRange*value;
3834  fx_info=DestroyFxInfo(fx_info);
3835  if (status != MagickFalse)
3836  {
3837  char
3838  name[MagickPathExtent];
3839 
3840  (void) QueryColorname(property_image,&pixel,SVGCompliance,name,
3841  exception);
3842  AppendString2Text(name);
3843  }
3844  continue;
3845  }
3846  if (LocaleNCompare("option:",pattern,7) == 0)
3847  {
3848  /*
3849  Option - direct global option lookup (with globbing).
3850  */
3851  if (IsGlob(pattern+7) != MagickFalse)
3852  {
3853  ResetImageOptionIterator(property_info);
3854  while ((key=GetNextImageOption(property_info)) != (const char *) NULL)
3855  if (GlobExpression(key,pattern+7,MagickTrue) != MagickFalse)
3856  {
3857  string=GetImageOption(property_info,key);
3858  if (string != (const char *) NULL)
3859  AppendKeyValue2Text(key,string);
3860  /* else - assertion failure? key found but no string value! */
3861  }
3862  continue;
3863  }
3864  string=GetImageOption(property_info,pattern+7);
3865  if (string == (char *) NULL)
3866  goto PropertyLookupFailure; /* no artifact of this specifc name */
3867  AppendString2Text(string);
3868  continue;
3869  }
3870  if (LocaleNCompare("artifact:",pattern,9) == 0)
3871  {
3872  /*
3873  Artifact - direct image artifact lookup (with glob).
3874  */
3875  if (IsGlob(pattern+9) != MagickFalse)
3876  {
3877  ResetImageArtifactIterator(property_image);
3878  while ((key=GetNextImageArtifact(property_image)) != (const char *) NULL)
3879  if (GlobExpression(key,pattern+9,MagickTrue) != MagickFalse)
3880  {
3881  string=GetImageArtifact(property_image,key);
3882  if (string != (const char *) NULL)
3883  AppendKeyValue2Text(key,string);
3884  /* else - assertion failure? key found but no string value! */
3885  }
3886  continue;
3887  }
3888  string=GetImageArtifact(property_image,pattern+9);
3889  if (string == (char *) NULL)
3890  goto PropertyLookupFailure; /* no artifact of this specifc name */
3891  AppendString2Text(string);
3892  continue;
3893  }
3894  if (LocaleNCompare("property:",pattern,9) == 0)
3895  {
3896  /*
3897  Property - direct image property lookup (with glob).
3898  */
3899  if (IsGlob(pattern+9) != MagickFalse)
3900  {
3901  ResetImagePropertyIterator(property_image);
3902  while ((key=GetNextImageProperty(property_image)) != (const char *) NULL)
3903  if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3904  {
3905  string=GetImageProperty(property_image,key,exception);
3906  if (string != (const char *) NULL)
3907  AppendKeyValue2Text(key,string);
3908  /* else - assertion failure? */
3909  }
3910  continue;
3911  }
3912  string=GetImageProperty(property_image,pattern+9,exception);
3913  if (string == (char *) NULL)
3914  goto PropertyLookupFailure; /* no artifact of this specifc name */
3915  AppendString2Text(string);
3916  continue;
3917  }
3918  /*
3919  Properties without special prefix. This handles attributes,
3920  properties, and profiles such as %[exif:...]. Note the profile
3921  properties may also include a glob expansion pattern.
3922  */
3923  string=GetImageProperty(property_image,pattern,exception);
3924  if (string != (const char *) NULL)
3925  {
3926  AppendString2Text(string);
3927  (void)DeleteImageArtifact(property_image,"get-property");
3928  (void)DeleteImageOption(property_info,"get-property");
3929  continue;
3930  }
3931  if (IsGlob(pattern) != MagickFalse)
3932  {
3933  /*
3934  Handle property 'glob' patterns such as:
3935  %[*] %[user:array_??] %[filename:e*]>
3936  */
3937  ResetImagePropertyIterator(property_image);
3938  while ((key=GetNextImageProperty(property_image)) != (const char *) NULL)
3939  if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3940  {
3941  string=GetImageProperty(property_image,key,exception);
3942  if (string != (const char *) NULL)
3943  AppendKeyValue2Text(key,string);
3944  /* else - assertion failure? */
3945  }
3946  continue;
3947  }
3948  /*
3949  Look for a known property or image attribute such as
3950  %[basename] %[denisty] %[delay]. Also handles a braced single
3951  letter: %[b] %[G] %[g].
3952  */
3953  string=GetMagickProperty(property_info,property_image,pattern,exception);
3954  if (string != (const char *) NULL)
3955  {
3956  AppendString2Text(string);
3957  continue;
3958  }
3959  /*
3960  Look for a per-image artifact. This includes option lookup
3961  (FUTURE: interpreted according to image).
3962  */
3963  string=GetImageArtifact(property_image,pattern);
3964  if (string != (char *) NULL)
3965  {
3966  AppendString2Text(string);
3967  continue;
3968  }
3969  /*
3970  No image, so direct 'option' lookup (no delayed percent escapes).
3971  */
3972  string=GetImageOption(property_info,pattern);
3973  if (string != (char *) NULL)
3974  {
3975  AppendString2Text(string);
3976  continue;
3977  }
3978 PropertyLookupFailure:
3979  /*
3980  Failed to find any match anywhere!
3981  */
3982  if (len >= 64)
3983  {
3984  pattern[61] = '.'; /* truncate string for error message */
3985  pattern[62] = '.';
3986  pattern[63] = '.';
3987  pattern[64] = '\0';
3988  }
3989  (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3990  "UnknownImageProperty","\"%%[%s]\"",pattern);
3991  }
3992  }
3993  *q='\0';
3994  if (property_image != image)
3995  property_image=DestroyImage(property_image);
3996  if (property_info != image_info)
3997  property_info=DestroyImageInfo(property_info);
3998  return(interpret_text);
3999 }
4000 
4001 /*
4002 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4003 % %
4004 % %
4005 % %
4006 % R e m o v e I m a g e P r o p e r t y %
4007 % %
4008 % %
4009 % %
4010 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4011 %
4012 % RemoveImageProperty() removes a property from the image and returns its
4013 % value.
4014 %
4015 % In this case the ConstantString() value returned should be freed by the
4016 % caller when finished.
4017 %
4018 % The format of the RemoveImageProperty method is:
4019 %
4020 % char *RemoveImageProperty(Image *image,const char *property)
4021 %
4022 % A description of each parameter follows:
4023 %
4024 % o image: the image.
4025 %
4026 % o property: the image property.
4027 %
4028 */
4029 MagickExport char *RemoveImageProperty(Image *image,const char *property)
4030 {
4031  char
4032  *value;
4033 
4034  assert(image != (Image *) NULL);
4035  assert(image->signature == MagickCoreSignature);
4036  if (image->debug != MagickFalse)
4037  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4038  if (image->properties == (void *) NULL)
4039  return((char *) NULL);
4040  value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->properties,
4041  property);
4042  return(value);
4043 }
4044 
4045 /*
4046 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4047 % %
4048 % %
4049 % %
4050 % 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 %
4051 % %
4052 % %
4053 % %
4054 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4055 %
4056 % ResetImagePropertyIterator() resets the image properties iterator. Use it
4057 % in conjunction with GetNextImageProperty() to iterate over all the values
4058 % associated with an image property.
4059 %
4060 % The format of the ResetImagePropertyIterator method is:
4061 %
4062 % ResetImagePropertyIterator(Image *image)
4063 %
4064 % A description of each parameter follows:
4065 %
4066 % o image: the image.
4067 %
4068 */
4069 MagickExport void ResetImagePropertyIterator(const Image *image)
4070 {
4071  assert(image != (Image *) NULL);
4072  assert(image->signature == MagickCoreSignature);
4073  if (image->debug != MagickFalse)
4074  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4075  if (image->properties == (void *) NULL)
4076  return;
4077  ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
4078 }
4079 
4080 /*
4081 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4082 % %
4083 % %
4084 % %
4085 % S e t I m a g e P r o p e r t y %
4086 % %
4087 % %
4088 % %
4089 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4090 %
4091 % SetImageProperty() saves the given string value either to specific known
4092 % attribute or to a freeform property string.
4093 %
4094 % Attempting to set a property that is normally calculated will produce
4095 % an exception.
4096 %
4097 % The format of the SetImageProperty method is:
4098 %
4099 % MagickBooleanType SetImageProperty(Image *image,const char *property,
4100 % const char *value,ExceptionInfo *exception)
4101 %
4102 % A description of each parameter follows:
4103 %
4104 % o image: the image.
4105 %
4106 % o property: the image property.
4107 %
4108 % o values: the image property values.
4109 %
4110 % o exception: return any errors or warnings in this structure.
4111 %
4112 */
4113 MagickExport MagickBooleanType SetImageProperty(Image *image,
4114  const char *property,const char *value,ExceptionInfo *exception)
4115 {
4116  MagickBooleanType
4117  status;
4118 
4119  MagickStatusType
4120  flags;
4121 
4122  assert(image != (Image *) NULL);
4123  assert(image->signature == MagickCoreSignature);
4124  if (image->debug != MagickFalse)
4125  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4126  if (image->properties == (void *) NULL)
4127  image->properties=NewSplayTree(CompareSplayTreeString,
4128  RelinquishMagickMemory,RelinquishMagickMemory); /* create splay-tree */
4129  if (value == (const char *) NULL)
4130  return(DeleteImageProperty(image,property)); /* delete if NULL */
4131  status=MagickTrue;
4132  if (strlen(property) <= 1)
4133  {
4134  /*
4135  Do not 'set' single letter properties - read only shorthand.
4136  */
4137  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4138  "SetReadOnlyProperty","`%s'",property);
4139  return(MagickFalse);
4140  }
4141 
4142  /* FUTURE: binary chars or quotes in key should produce a error */
4143  /* Set attributes with known names or special prefixes
4144  return result is found, or break to set a free form properity
4145  */
4146  switch (*property)
4147  {
4148 #if 0 /* Percent escape's sets values with this prefix: for later use
4149  Throwing an exception causes this setting to fail */
4150  case '8':
4151  {
4152  if (LocaleNCompare("8bim:",property,5) == 0)
4153  {
4154  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4155  "SetReadOnlyProperty","`%s'",property);
4156  return(MagickFalse);
4157  }
4158  break;
4159  }
4160 #endif
4161  case 'B':
4162  case 'b':
4163  {
4164  if (LocaleCompare("background",property) == 0)
4165  {
4166  (void) QueryColorCompliance(value,AllCompliance,
4167  &image->background_color,exception);
4168  /* check for FUTURE: value exception?? */
4169  /* also add user input to splay tree */
4170  }
4171  break; /* not an attribute, add as a property */
4172  }
4173  case 'C':
4174  case 'c':
4175  {
4176  if (LocaleCompare("channels",property) == 0)
4177  {
4178  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4179  "SetReadOnlyProperty","`%s'",property);
4180  return(MagickFalse);
4181  }
4182  if (LocaleCompare("colorspace",property) == 0)
4183  {
4184  ssize_t
4185  colorspace;
4186 
4187  colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
4188  value);
4189  if (colorspace < 0)
4190  return(MagickFalse); /* FUTURE: value exception?? */
4191  return(SetImageColorspace(image,(ColorspaceType) colorspace,exception));
4192  }
4193  if (LocaleCompare("compose",property) == 0)
4194  {
4195  ssize_t
4196  compose;
4197 
4198  compose=ParseCommandOption(MagickComposeOptions,MagickFalse,value);
4199  if (compose < 0)
4200  return(MagickFalse); /* FUTURE: value exception?? */
4201  image->compose=(CompositeOperator) compose;
4202  return(MagickTrue);
4203  }
4204  if (LocaleCompare("compress",property) == 0)
4205  {
4206  ssize_t
4207  compression;
4208 
4209  compression=ParseCommandOption(MagickCompressOptions,MagickFalse,
4210  value);
4211  if (compression < 0)
4212  return(MagickFalse); /* FUTURE: value exception?? */
4213  image->compression=(CompressionType) compression;
4214  return(MagickTrue);
4215  }
4216  break; /* not an attribute, add as a property */
4217  }
4218  case 'D':
4219  case 'd':
4220  {
4221  if (LocaleCompare("delay",property) == 0)
4222  {
4223  GeometryInfo
4224  geometry_info;
4225 
4226  flags=ParseGeometry(value,&geometry_info);
4227  if ((flags & GreaterValue) != 0)
4228  {
4229  if (image->delay > (size_t) floor(geometry_info.rho+0.5))
4230  image->delay=(size_t) floor(geometry_info.rho+0.5);
4231  }
4232  else
4233  if ((flags & LessValue) != 0)
4234  {
4235  if (image->delay < (size_t) floor(geometry_info.rho+0.5))
4236  image->delay=(ssize_t)
4237  floor(geometry_info.sigma+0.5);
4238  }
4239  else
4240  image->delay=(size_t) floor(geometry_info.rho+0.5);
4241  if ((flags & SigmaValue) != 0)
4242  image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
4243  return(MagickTrue);
4244  }
4245  if (LocaleCompare("delay_units",property) == 0)
4246  {
4247  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4248  "SetReadOnlyProperty","`%s'",property);
4249  return(MagickFalse);
4250  }
4251  if (LocaleCompare("density",property) == 0)
4252  {
4253  GeometryInfo
4254  geometry_info;
4255 
4256  flags=ParseGeometry(value,&geometry_info);
4257  if ((flags & RhoValue) != 0)
4258  image->resolution.x=geometry_info.rho;
4259  image->resolution.y=image->resolution.x;
4260  if ((flags & SigmaValue) != 0)
4261  image->resolution.y=geometry_info.sigma;
4262  return(MagickTrue);
4263  }
4264  if (LocaleCompare("depth",property) == 0)
4265  {
4266  image->depth=StringToUnsignedLong(value);
4267  return(MagickTrue);
4268  }
4269  if (LocaleCompare("dispose",property) == 0)
4270  {
4271  ssize_t
4272  dispose;
4273 
4274  dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,value);
4275  if (dispose < 0)
4276  return(MagickFalse); /* FUTURE: value exception?? */
4277  image->dispose=(DisposeType) dispose;
4278  return(MagickTrue);
4279  }
4280  break; /* not an attribute, add as a property */
4281  }
4282 #if 0 /* Percent escape's sets values with this prefix: for later use
4283  Throwing an exception causes this setting to fail */
4284  case 'E':
4285  case 'e':
4286  {
4287  if (LocaleNCompare("exif:",property,5) == 0)
4288  {
4289  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4290  "SetReadOnlyProperty","`%s'",property);
4291  return(MagickFalse);
4292  }
4293  break; /* not an attribute, add as a property */
4294  }
4295  case 'F':
4296  case 'f':
4297  {
4298  if (LocaleNCompare("fx:",property,3) == 0)
4299  {
4300  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4301  "SetReadOnlyProperty","`%s'",property);
4302  return(MagickFalse);
4303  }
4304  break; /* not an attribute, add as a property */
4305  }
4306 #endif
4307  case 'G':
4308  case 'g':
4309  {
4310  if (LocaleCompare("gamma",property) == 0)
4311  {
4312  image->gamma=StringToDouble(value,(char **) NULL);
4313  return(MagickTrue);
4314  }
4315  if (LocaleCompare("gravity",property) == 0)
4316  {
4317  ssize_t
4318  gravity;
4319 
4320  gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,value);
4321  if (gravity < 0)
4322  return(MagickFalse); /* FUTURE: value exception?? */
4323  image->gravity=(GravityType) gravity;
4324  return(MagickTrue);
4325  }
4326  break; /* not an attribute, add as a property */
4327  }
4328  case 'H':
4329  case 'h':
4330  {
4331  if (LocaleCompare("height",property) == 0)
4332  {
4333  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4334  "SetReadOnlyProperty","`%s'",property);
4335  return(MagickFalse);
4336  }
4337  break; /* not an attribute, add as a property */
4338  }
4339  case 'I':
4340  case 'i':
4341  {
4342  if (LocaleCompare("intensity",property) == 0)
4343  {
4344  ssize_t
4345  intensity;
4346 
4347  intensity=ParseCommandOption(MagickIntentOptions,MagickFalse,value);
4348  if (intensity < 0)
4349  return(MagickFalse);
4350  image->intensity=(PixelIntensityMethod) intensity;
4351  return(MagickTrue);
4352  }
4353  if (LocaleCompare("intent",property) == 0)
4354  {
4355  ssize_t
4356  rendering_intent;
4357 
4358  rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4359  value);
4360  if (rendering_intent < 0)
4361  return(MagickFalse); /* FUTURE: value exception?? */
4362  image->rendering_intent=(RenderingIntent) rendering_intent;
4363  return(MagickTrue);
4364  }
4365  if (LocaleCompare("interpolate",property) == 0)
4366  {
4367  ssize_t
4368  interpolate;
4369 
4370  interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
4371  value);
4372  if (interpolate < 0)
4373  return(MagickFalse); /* FUTURE: value exception?? */
4374  image->interpolate=(PixelInterpolateMethod) interpolate;
4375  return(MagickTrue);
4376  }
4377 #if 0 /* Percent escape's sets values with this prefix: for later use
4378  Throwing an exception causes this setting to fail */
4379  if (LocaleNCompare("iptc:",property,5) == 0)
4380  {
4381  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4382  "SetReadOnlyProperty","`%s'",property);
4383  return(MagickFalse);
4384  }
4385 #endif
4386  break; /* not an attribute, add as a property */
4387  }
4388  case 'K':
4389  case 'k':
4390  if (LocaleCompare("kurtosis",property) == 0)
4391  {
4392  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4393  "SetReadOnlyProperty","`%s'",property);
4394  return(MagickFalse);
4395  }
4396  break; /* not an attribute, add as a property */
4397  case 'L':
4398  case 'l':
4399  {
4400  if (LocaleCompare("loop",property) == 0)
4401  {
4402  image->iterations=StringToUnsignedLong(value);
4403  return(MagickTrue);
4404  }
4405  break; /* not an attribute, add as a property */
4406  }
4407  case 'M':
4408  case 'm':
4409  if ((LocaleCompare("magick",property) == 0) ||
4410  (LocaleCompare("max",property) == 0) ||
4411  (LocaleCompare("mean",property) == 0) ||
4412  (LocaleCompare("min",property) == 0) ||
4413  (LocaleCompare("min",property) == 0))
4414  {
4415  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4416  "SetReadOnlyProperty","`%s'",property);
4417  return(MagickFalse);
4418  }
4419  break; /* not an attribute, add as a property */
4420  case 'O':
4421  case 'o':
4422  if (LocaleCompare("opaque",property) == 0)
4423  {
4424  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4425  "SetReadOnlyProperty","`%s'",property);
4426  return(MagickFalse);
4427  }
4428  break; /* not an attribute, add as a property */
4429  case 'P':
4430  case 'p':
4431  {
4432  if (LocaleCompare("page",property) == 0)
4433  {
4434  char
4435  *geometry;
4436 
4437  geometry=GetPageGeometry(value);
4438  flags=ParseAbsoluteGeometry(geometry,&image->page);
4439  geometry=DestroyString(geometry);
4440  return(MagickTrue);
4441  }
4442 #if 0 /* Percent escape's sets values with this prefix: for later use
4443  Throwing an exception causes this setting to fail */
4444  if (LocaleNCompare("pixel:",property,6) == 0)
4445  {
4446  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4447  "SetReadOnlyProperty","`%s'",property);
4448  return(MagickFalse);
4449  }
4450 #endif
4451  if (LocaleCompare("profile",property) == 0)
4452  {
4453  ImageInfo
4454  *image_info;
4455 
4456  StringInfo
4457  *profile;
4458 
4459  image_info=AcquireImageInfo();
4460  (void) CopyMagickString(image_info->filename,value,MagickPathExtent);
4461  (void) SetImageInfo(image_info,1,exception);
4462  profile=FileToStringInfo(image_info->filename,~0UL,exception);
4463  if (profile != (StringInfo *) NULL)
4464  status=SetImageProfile(image,image_info->magick,profile,exception);
4465  image_info=DestroyImageInfo(image_info);
4466  return(MagickTrue);
4467  }
4468  break; /* not an attribute, add as a property */
4469  }
4470  case 'R':
4471  case 'r':
4472  {
4473  if (LocaleCompare("rendering-intent",property) == 0)
4474  {
4475  ssize_t
4476  rendering_intent;
4477 
4478  rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4479  value);
4480  if (rendering_intent < 0)
4481  return(MagickFalse); /* FUTURE: value exception?? */
4482  image->rendering_intent=(RenderingIntent) rendering_intent;
4483  return(MagickTrue);
4484  }
4485  break; /* not an attribute, add as a property */
4486  }
4487  case 'S':
4488  case 's':
4489  if ((LocaleCompare("size",property) == 0) ||
4490  (LocaleCompare("skewness",property) == 0) ||
4491  (LocaleCompare("scenes",property) == 0) ||
4492  (LocaleCompare("standard-deviation",property) == 0))
4493  {
4494  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4495  "SetReadOnlyProperty","`%s'",property);
4496  return(MagickFalse);
4497  }
4498  break; /* not an attribute, add as a property */
4499  case 'T':
4500  case 't':
4501  {
4502  if (LocaleCompare("tile-offset",property) == 0)
4503  {
4504  char
4505  *geometry;
4506 
4507  geometry=GetPageGeometry(value);
4508  flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
4509  geometry=DestroyString(geometry);
4510  return(MagickTrue);
4511  }
4512  break; /* not an attribute, add as a property */
4513  }
4514  case 'U':
4515  case 'u':
4516  {
4517  if (LocaleCompare("units",property) == 0)
4518  {
4519  ssize_t
4520  units;
4521 
4522  units=ParseCommandOption(MagickResolutionOptions,MagickFalse,value);
4523  if (units < 0)
4524  return(MagickFalse); /* FUTURE: value exception?? */
4525  image->units=(ResolutionType) units;
4526  return(MagickTrue);
4527  }
4528  break; /* not an attribute, add as a property */
4529  }
4530  case 'V':
4531  case 'v':
4532  {
4533  if (LocaleCompare("version",property) == 0)
4534  {
4535  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4536  "SetReadOnlyProperty","`%s'",property);
4537  return(MagickFalse);
4538  }
4539  break; /* not an attribute, add as a property */
4540  }
4541  case 'W':
4542  case 'w':
4543  {
4544  if (LocaleCompare("width",property) == 0)
4545  {
4546  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4547  "SetReadOnlyProperty","`%s'",property);
4548  return(MagickFalse);
4549  }
4550  break; /* not an attribute, add as a property */
4551  }
4552 #if 0 /* Percent escape's sets values with this prefix: for later use
4553  Throwing an exception causes this setting to fail */
4554  case 'X':
4555  case 'x':
4556  {
4557  if (LocaleNCompare("xmp:",property,4) == 0)
4558  {
4559  (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4560  "SetReadOnlyProperty","`%s'",property);
4561  return(MagickFalse);
4562  }
4563  break; /* not an attribute, add as a property */
4564  }
4565 #endif
4566  }
4567  /* Default: not an attribute, add as a property */
4568  status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
4569  ConstantString(property),ConstantString(value));
4570  /* FUTURE: error if status is bad? */
4571  return(status);
4572 }
_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:345
_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:2402
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:4029
IsRightsAuthorized
MagickExport MagickBooleanType IsRightsAuthorized(const PolicyDomain domain, const PolicyRights rights, const char *pattern)
Definition: policy.c:595
_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:2226
ResetImagePropertyIterator
MagickExport void ResetImagePropertyIterator(const Image *image)
Definition: property.c:4069
StringToUnsignedLong
static unsigned long StringToUnsignedLong(const char *magick_restrict value)
Definition: string-private.h:96
EXIF_FMT_SLONG
#define EXIF_FMT_SLONG
ParseCommandOption
MagickExport ssize_t ParseCommandOption(const CommandOption option, const MagickBooleanType list, const char *options)
Definition: option.c:2966
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:1750
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:190
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:115
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:1668
SignatureImage
MagickExport MagickBooleanType SignatureImage(Image *image, ExceptionInfo *exception)
Definition: signature.c:470
_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:190
_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:2082
GetImageOption
MagickExport const char * GetImageOption(const ImageInfo *image_info, const char *option)
Definition: option.c:2301
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:1140
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:3236
_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:1856
_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:1215
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:2679
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:3016
_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:4113
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:190
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:2705
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:1145
LogMagickEvent
MagickExport MagickBooleanType LogMagickEvent(const LogEventType type, const char *module, const char *function, const size_t line, const char *format,...)
Definition: log.c:1413
_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:589
SetImageBackgroundColor
MagickExport MagickBooleanType SetImageBackgroundColor(Image *image, ExceptionInfo *exception)
Definition: image.c:2417
_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:3322
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:156
SubstituteString
MagickExport MagickBooleanType SubstituteString(char **string, const char *search, const char *replace)
Definition: string.c:2571
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:3197
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:1051
_RectangleInfo
Definition: geometry.h:127
GetImageRange
MagickExport MagickBooleanType GetImageRange(const Image *image, double *minima, double *maxima, ExceptionInfo *exception)
Definition: statistic.c:1795
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:1238
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:1288
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:2659
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:1799
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:3388
GetBlobSize
MagickExport MagickSizeType GetBlobSize(const Image *image)
Definition: blob.c:1803
_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:1252
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:535
EXIFMultipleFractions
#define EXIFMultipleFractions(size, format, arg1, arg2)
GetXMPProperty
static MagickBooleanType GetXMPProperty(const Image *image, const char *property)
Definition: property.c:1763
GetImageBoundingBox
MagickExport RectangleInfo GetImageBoundingBox(const Image *image, ExceptionInfo *exception)
Definition: attribute.c:380
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:190
_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:2228
EXIF_FMT_UNDEFINED
#define EXIF_FMT_UNDEFINED
CloneImageInfo
MagickExport ImageInfo * CloneImageInfo(const ImageInfo *image_info)
Definition: image.c:940
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:190
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:2803
_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:1891
_PixelInfo
Definition: pixel.h:169
_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:1244
_Image::background_color
PixelInfo background_color
Definition: image.h:179
GetImageListLength
MagickExport size_t GetImageListLength(const Image *images)
Definition: list.c:696
TraceBezierCurve
static void TraceBezierCurve(char *message, PointInfo *last, PointInfo *point)
Definition: property.c:2066
GetNextImageOption
MagickExport char * GetNextImageOption(const ImageInfo *image_info)
Definition: option.c:2605
_Image::client_data
void * client_data
Definition: image.h:306
DestroyImage
MagickExport Image * DestroyImage(Image *image)
Definition: image.c:1181
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:1175
NewXMLTree
MagickExport XMLTreeInfo * NewXMLTree(const char *xml, ExceptionInfo *exception)
Definition: xml-tree.c:1956
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:418
_Image::depth
size_t depth
Definition: image.h:172