granicus.if.org Git - imagemagick/blob - magick/property.c

   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 %                                John Cristy                                  %
  17 %                                 March 2000                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 %
  38 */
  39 \f
  40 /*
  41   Include declarations.
  42 */
  43 #include "magick/studio.h"
  44 #include "magick/attribute.h"
  45 #include "magick/cache.h"
  46 #include "magick/color.h"
  47 #include "magick/compare.h"
  48 #include "magick/constitute.h"
  49 #include "magick/draw.h"
  50 #include "magick/effect.h"
  51 #include "magick/exception.h"
  52 #include "magick/exception-private.h"
  53 #include "magick/fx.h"
  54 #include "magick/fx-private.h"
  55 #include "magick/gem.h"
  56 #include "magick/geometry.h"
  57 #include "magick/histogram.h"
  58 #include "magick/image.h"
  59 #include "magick/image.h"
  60 #include "magick/layer.h"
  61 #include "magick/list.h"
  62 #include "magick/magick.h"
  63 #include "magick/memory_.h"
  64 #include "magick/monitor.h"
  65 #include "magick/montage.h"
  66 #include "magick/option.h"
  67 #include "magick/profile.h"
  68 #include "magick/property.h"
  69 #include "magick/quantum.h"
  70 #include "magick/resource_.h"
  71 #include "magick/splay-tree.h"
  72 #include "magick/signature-private.h"
  73 #include "magick/statistic.h"
  74 #include "magick/string_.h"
  75 #include "magick/string-private.h"
  76 #include "magick/token.h"
  77 #include "magick/utility.h"
  78 #include "magick/version.h"
  79 #include "magick/xml-tree.h"
  80 \f
  81 /*
  82 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  83 %                                                                             %
  84 %                                                                             %
  85 %                                                                             %
  86 %   C l o n e I m a g e P r o p e r t i e s                                   %
  87 %                                                                             %
  88 %                                                                             %
  89 %                                                                             %
  90 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  91 %
  92 %  CloneImageProperties() clones one or more image properties.
  93 %
  94 %  The format of the CloneImageProperties method is:
  95 %
  96 %      MagickBooleanType CloneImageProperties(Image *image,
  97 %        const Image *clone_image)
  98 %
  99 %  A description of each parameter follows:
 100 %
 101 %    o image: the image.
 102 %
 103 %    o clone_image: the clone image.
 104 %
 105 */
 106 MagickExport MagickBooleanType CloneImageProperties(Image *image,
 107   const Image *clone_image)
 108 {
 109   assert(image != (Image *) NULL);
 110   assert(image->signature == MagickSignature);
 111   if (image->debug != MagickFalse)
 112     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 113   assert(clone_image != (const Image *) NULL);
 114   assert(clone_image->signature == MagickSignature);
 115   if (clone_image->debug != MagickFalse)
 116     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 117       clone_image->filename);
 118   (void) CopyMagickString(image->filename,clone_image->filename,MaxTextExtent);
 119   (void) CopyMagickString(image->magick_filename,clone_image->magick_filename,
 120     MaxTextExtent);
 121   image->compression=clone_image->compression;
 122   image->quality=clone_image->quality;
 123   image->depth=clone_image->depth;
 124   image->background_color=clone_image->background_color;
 125   image->border_color=clone_image->border_color;
 126   image->matte_color=clone_image->matte_color;
 127   image->transparent_color=clone_image->transparent_color;
 128   image->gamma=clone_image->gamma;
 129   image->chromaticity=clone_image->chromaticity;
 130   image->rendering_intent=clone_image->rendering_intent;
 131   image->black_point_compensation=clone_image->black_point_compensation;
 132   image->units=clone_image->units;
 133   image->montage=(char *) NULL;
 134   image->directory=(char *) NULL;
 135   (void) CloneString(&image->geometry,clone_image->geometry);
 136   image->offset=clone_image->offset;
 137   image->x_resolution=clone_image->x_resolution;
 138   image->y_resolution=clone_image->y_resolution;
 139   image->page=clone_image->page;
 140   image->tile_offset=clone_image->tile_offset;
 141   image->extract_info=clone_image->extract_info;
 142   image->bias=clone_image->bias;
 143   image->filter=clone_image->filter;
 144   image->blur=clone_image->blur;
 145   image->fuzz=clone_image->fuzz;
 146   image->interlace=clone_image->interlace;
 147   image->interpolate=clone_image->interpolate;
 148   image->endian=clone_image->endian;
 149   image->gravity=clone_image->gravity;
 150   image->compose=clone_image->compose;
 151   image->scene=clone_image->scene;
 152   image->orientation=clone_image->orientation;
 153   image->dispose=clone_image->dispose;
 154   image->delay=clone_image->delay;
 155   image->ticks_per_second=clone_image->ticks_per_second;
 156   image->iterations=clone_image->iterations;
 157   image->total_colors=clone_image->total_colors;
 158   image->taint=clone_image->taint;
 159   image->progress_monitor=clone_image->progress_monitor;
 160   image->client_data=clone_image->client_data;
 161   image->start_loop=clone_image->start_loop;
 162   image->error=clone_image->error;
 163   image->signature=clone_image->signature;
 164   if (clone_image->properties != (void *) NULL)
 165     {
 166       if (image->properties != (void *) NULL)
 167         DestroyImageProperties(image);
 168       image->properties=CloneSplayTree((SplayTreeInfo *)
 169         clone_image->properties,(void *(*)(void *)) ConstantString,
 170         (void *(*)(void *)) ConstantString);
 171     }
 172   return(MagickTrue);
 173 }
 174 \f
 175 /*
 176 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 177 %                                                                             %
 178 %                                                                             %
 179 %                                                                             %
 180 %   D e f i n e I m a g e P r o p e r t y                                     %
 181 %                                                                             %
 182 %                                                                             %
 183 %                                                                             %
 184 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 185 %
 186 %  DefineImageProperty() associates a key/value pair with an image property.
 187 %
 188 %  The format of the DefineImageProperty method is:
 189 %
 190 %      MagickBooleanType DefineImageProperty(Image *image,
 191 %        const char *property)
 192 %
 193 %  A description of each parameter follows:
 194 %
 195 %    o image: the image.
 196 %
 197 %    o property: the image property.
 198 %
 199 */
 200 MagickExport MagickBooleanType DefineImageProperty(Image *image,
 201   const char *property)
 202 {
 203   char
 204     key[MaxTextExtent],
 205     value[MaxTextExtent];
 206
 207   register char
 208     *p;
 209
 210   assert(image != (Image *) NULL);
 211   assert(property != (const char *) NULL);
 212   (void) CopyMagickString(key,property,MaxTextExtent-1);
 213   for (p=key; *p != '\0'; p++)
 214     if (*p == '=')
 215       break;
 216   *value='\0';
 217   if (*p == '=')
 218     (void) CopyMagickString(value,p+1,MaxTextExtent);
 219   *p='\0';
 220   return(SetImageProperty(image,key,value));
 221 }
 222 \f
 223 /*
 224 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 225 %                                                                             %
 226 %                                                                             %
 227 %                                                                             %
 228 %   D e l e t e I m a g e P r o p e r t y                                     %
 229 %                                                                             %
 230 %                                                                             %
 231 %                                                                             %
 232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 233 %
 234 %  DeleteImageProperty() deletes an image property.
 235 %
 236 %  The format of the DeleteImageProperty method is:
 237 %
 238 %      MagickBooleanType DeleteImageProperty(Image *image,const char *property)
 239 %
 240 %  A description of each parameter follows:
 241 %
 242 %    o image: the image.
 243 %
 244 %    o property: the image property.
 245 %
 246 */
 247 MagickExport MagickBooleanType DeleteImageProperty(Image *image,
 248   const char *property)
 249 {
 250   assert(image != (Image *) NULL);
 251   assert(image->signature == MagickSignature);
 252   if (image->debug != MagickFalse)
 253     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 254       image->filename);
 255   if (image->properties == (void *) NULL)
 256     return(MagickFalse);
 257   return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->properties,property));
 258 }
 259 \f
 260 /*
 261 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 262 %                                                                             %
 263 %                                                                             %
 264 %                                                                             %
 265 %   D e s t r o y I m a g e P r o p e r t i e s                               %
 266 %                                                                             %
 267 %                                                                             %
 268 %                                                                             %
 269 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 270 %
 271 %  DestroyImageProperties() releases memory associated with image property
 272 %  values.
 273 %
 274 %  The format of the DestroyDefines method is:
 275 %
 276 %      void DestroyImageProperties(Image *image)
 277 %
 278 %  A description of each parameter follows:
 279 %
 280 %    o image: the image.
 281 %
 282 */
 283 MagickExport void DestroyImageProperties(Image *image)
 284 {
 285   assert(image != (Image *) NULL);
 286   assert(image->signature == MagickSignature);
 287   if (image->debug != MagickFalse)
 288     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 289       image->filename);
 290   if (image->properties != (void *) NULL)
 291     image->properties=(void *) DestroySplayTree((SplayTreeInfo *)
 292       image->properties);
 293 }
 294 \f
 295 /*
 296 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 297 %                                                                             %
 298 %                                                                             %
 299 %                                                                             %
 300 %  F o r m a t I m a g e P r o p e r t y                                      %
 301 %                                                                             %
 302 %                                                                             %
 303 %                                                                             %
 304 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 305 %
 306 %  FormatImageProperty() permits formatted property/value pairs to be saved as
 307 %  an image proporty.
 308 %
 309 %  The format of the FormatImageProperty method is:
 310 %
 311 %      MagickBooleanType FormatImageProperty(Image *image,const char *property,
 312 %        const char *format,...)
 313 %
 314 %  A description of each parameter follows.
 315 %
 316 %   o  image:  The image.
 317 %
 318 %   o  property:  The attribute property.
 319 %
 320 %   o  format:  A string describing the format to use to write the remaining
 321 %      arguments.
 322 %
 323 */
 324
 325 MagickExport MagickBooleanType FormatImagePropertyList(Image *image,
 326   const char *property,const char *format,va_list operands)
 327 {
 328   char
 329     value[MaxTextExtent];
 330
 331   int
 332     n;
 333
 334 #if defined(MAGICKCORE_HAVE_VSNPRINTF)
 335   n=vsnprintf(value,MaxTextExtent,format,operands);
 336 #else
 337   n=vsprintf(value,format,operands);
 338 #endif
 339   if (n < 0)
 340     value[MaxTextExtent-1]='\0';
 341   return(SetImageProperty(image,property,value));
 342 }
 343
 344 MagickExport MagickBooleanType FormatImageProperty(Image *image,
 345   const char *property,const char *format,...)
 346 {
 347   MagickBooleanType
 348     status;
 349
 350   va_list
 351     operands;
 352
 353   va_start(operands,format);
 354   status=FormatImagePropertyList(image,property,format,operands);
 355   va_end(operands);
 356   return(status);
 357 }
 358 \f
 359 /*
 360 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 361 %                                                                             %
 362 %                                                                             %
 363 %                                                                             %
 364 %   G e t I m a g e P r o p e r t y                                           %
 365 %                                                                             %
 366 %                                                                             %
 367 %                                                                             %
 368 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 369 %
 370 %  GetImageProperty() gets a value associated with an image property.
 371 %
 372 %  The format of the GetImageProperty method is:
 373 %
 374 %      const char *GetImageProperty(const Image *image,const char *key)
 375 %
 376 %  A description of each parameter follows:
 377 %
 378 %    o image: the image.
 379 %
 380 %    o key: the key.
 381 %
 382 */
 383
 384 static char
 385   *TracePSClippath(const unsigned char *,size_t,const size_t,
 386     const size_t),
 387   *TraceSVGClippath(const unsigned char *,size_t,const size_t,
 388     const size_t);
 389
 390 static MagickBooleanType GetIPTCProperty(const Image *image,const char *key)
 391 {
 392   char
 393     *attribute,
 394     *message;
 395
 396   const StringInfo
 397     *profile;
 398
 399   long
 400     count,
 401     dataset,
 402     record;
 403
 404   register ssize_t
 405     i;
 406
 407   size_t
 408     length;
 409
 410   profile=GetImageProfile(image,"iptc");
 411   if (profile == (StringInfo *) NULL)
 412     profile=GetImageProfile(image,"8bim");
 413   if (profile == (StringInfo *) NULL)
 414     return(MagickFalse);
 415   count=sscanf(key,"IPTC:%ld:%ld",&dataset,&record);
 416   if (count != 2)
 417     return(MagickFalse);
 418   attribute=(char *) NULL;
 419   for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=(ssize_t) length)
 420   {
 421     length=1;
 422     if ((ssize_t) GetStringInfoDatum(profile)[i] != 0x1c)
 423       continue;
 424     length=(size_t) (GetStringInfoDatum(profile)[i+3] << 8);
 425     length|=GetStringInfoDatum(profile)[i+4];
 426     if (((long) GetStringInfoDatum(profile)[i+1] == dataset) &&
 427         ((long) GetStringInfoDatum(profile)[i+2] == record))
 428       {
 429         message=(char *) NULL;
 430         if (~length >= 1)
 431           message=(char *) AcquireQuantumMemory(length+1UL,sizeof(*message));
 432         if (message != (char *) NULL)
 433           {
 434             (void) CopyMagickString(message,(char *) GetStringInfoDatum(
 435               profile)+i+5,length+1);
 436             (void) ConcatenateString(&attribute,message);
 437             (void) ConcatenateString(&attribute,";");
 438             message=DestroyString(message);
 439           }
 440       }
 441     i+=5;
 442   }
 443   if ((attribute == (char *) NULL) || (*attribute == ';'))
 444     {
 445       if (attribute != (char *) NULL)
 446         attribute=DestroyString(attribute);
 447       return(MagickFalse);
 448     }
 449   attribute[strlen(attribute)-1]='\0';
 450   (void) SetImageProperty((Image *) image,key,(const char *) attribute);
 451   attribute=DestroyString(attribute);
 452   return(MagickTrue);
 453 }
 454
 455 static inline ssize_t MagickMax(const ssize_t x,const ssize_t y)
 456 {
 457   if (x > y)
 458     return(x);
 459   return(y);
 460 }
 461
 462 static inline int ReadPropertyByte(const unsigned char **p,size_t *length)
 463 {
 464   int
 465     c;
 466
 467   if (*length < 1)
 468     return(EOF);
 469   c=(int) (*(*p)++);
 470   (*length)--;
 471   return(c);
 472 }
 473
 474 static inline size_t ReadPropertyMSBLong(const unsigned char **p,
 475   size_t *length)
 476 {
 477   int
 478     c;
 479
 480   register ssize_t
 481     i;
 482
 483   unsigned char
 484     buffer[4];
 485
 486   size_t
 487     value;
 488
 489   if (*length < 4)
 490     return(~0UL);
 491   for (i=0; i < 4; i++)
 492   {
 493     c=(int) (*(*p)++);
 494     (*length)--;
 495     buffer[i]=(unsigned char) c;
 496   }
 497   value=(size_t) (buffer[0] << 24);
 498   value|=buffer[1] << 16;
 499   value|=buffer[2] << 8;
 500   value|=buffer[3];
 501   return(value & 0xffffffff);
 502 }
 503
 504 static inline unsigned short ReadPropertyMSBShort(const unsigned char **p,
 505   size_t *length)
 506 {
 507   int
 508     c;
 509
 510   register ssize_t
 511     i;
 512
 513   unsigned char
 514     buffer[2];
 515
 516   unsigned short
 517     value;
 518
 519   if (*length < 2)
 520     return((unsigned short) ~0U);
 521   for (i=0; i < 2; i++)
 522   {
 523     c=(int) (*(*p)++);
 524     (*length)--;
 525     buffer[i]=(unsigned char) c;
 526   }
 527   value=(unsigned short) (buffer[0] << 8);
 528   value|=buffer[1];
 529   return((unsigned short) (value & 0xffff));
 530 }
 531
 532 static MagickBooleanType Get8BIMProperty(const Image *image,const char *key)
 533 {
 534   char
 535     *attribute,
 536     format[MaxTextExtent],
 537     name[MaxTextExtent],
 538     *resource;
 539
 540   const StringInfo
 541     *profile;
 542
 543   const unsigned char
 544     *info;
 545
 546   long
 547     start,
 548     stop;
 549
 550   MagickBooleanType
 551     status;
 552
 553   register ssize_t
 554     i;
 555
 556   ssize_t
 557     count,
 558     id,
 559     sub_number;
 560
 561   size_t
 562     length;
 563
 564   /*
 565     There's no newlines in path names, so it's safe as terminator.
 566   */
 567   profile=GetImageProfile(image,"8bim");
 568   if (profile == (StringInfo *) NULL)
 569     return(MagickFalse);
 570   count=(ssize_t) sscanf(key,"8BIM:%ld,%ld:%[^\n]\n%[^\n]",&start,&stop,name,
 571     format);
 572   if ((count != 2) && (count != 3) && (count != 4))
 573     return(MagickFalse);
 574   if (count < 4)
 575     (void) CopyMagickString(format,"SVG",MaxTextExtent);
 576   if (count < 3)
 577     *name='\0';
 578   sub_number=1;
 579   if (*name == '#')
 580     sub_number=(ssize_t) StringToLong(&name[1]);
 581   sub_number=MagickMax(sub_number,1L);
 582   resource=(char *) NULL;
 583   status=MagickFalse;
 584   length=GetStringInfoLength(profile);
 585   info=GetStringInfoDatum(profile);
 586   while ((length > 0) && (status == MagickFalse))
 587   {
 588     if (ReadPropertyByte(&info,&length) != (unsigned char) '8')
 589       continue;
 590     if (ReadPropertyByte(&info,&length) != (unsigned char) 'B')
 591       continue;
 592     if (ReadPropertyByte(&info,&length) != (unsigned char) 'I')
 593       continue;
 594     if (ReadPropertyByte(&info,&length) != (unsigned char) 'M')
 595       continue;
 596     id=(ssize_t) ReadPropertyMSBShort(&info,&length);
 597     if (id < (ssize_t) start)
 598       continue;
 599     if (id > (ssize_t) stop)
 600       continue;
 601     if (resource != (char *) NULL)
 602       resource=DestroyString(resource);
 603     count=(ssize_t) ReadPropertyByte(&info,&length);
 604     if ((count != 0) && ((size_t) count <= length))
 605       {
 606         resource=(char *) NULL;
 607         if (~(1UL*count) >= MaxTextExtent)
 608           resource=(char *) AcquireQuantumMemory((size_t) count+MaxTextExtent,
 609             sizeof(*resource));
 610         if (resource != (char *) NULL)
 611           {
 612             for (i=0; i < (ssize_t) count; i++)
 613               resource[i]=(char) ReadPropertyByte(&info,&length);
 614             resource[count]='\0';
 615           }
 616       }
 617     if ((count & 0x01) == 0)
 618       (void) ReadPropertyByte(&info,&length);
 619     count=(int) ReadPropertyMSBLong(&info,&length);
 620     if ((*name != '\0') && (*name != '#'))
 621       if ((resource == (char *) NULL) || (LocaleCompare(name,resource) != 0))
 622         {
 623           /*
 624             No name match, scroll forward and try next.
 625           */
 626           info+=count;
 627           length-=count;
 628           continue;
 629         }
 630     if ((*name == '#') && (sub_number != 1))
 631       {
 632         /*
 633           No numbered match, scroll forward and try next.
 634         */
 635         sub_number--;
 636         info+=count;
 637         length-=count;
 638         continue;
 639       }
 640     /*
 641       We have the resource of interest.
 642     */
 643     attribute=(char *) NULL;
 644     if (~(1UL*count) >= MaxTextExtent)
 645       attribute=(char *) AcquireQuantumMemory((size_t) count+MaxTextExtent,
 646         sizeof(*attribute));
 647     if (attribute != (char *) NULL)
 648       {
 649         (void) CopyMagickMemory(attribute,(char *) info,(size_t) count);
 650         attribute[count]='\0';
 651         info+=count;
 652         length-=count;
 653         if ((id <= 1999) || (id >= 2999))
 654           (void) SetImageProperty((Image *) image,key,(const char *)
 655             attribute);
 656         else
 657           {
 658             char
 659               *path;
 660
 661             if (LocaleCompare(format,"svg") == 0)
 662               path=TraceSVGClippath((unsigned char *) attribute,(size_t) count,
 663                 image->columns,image->rows);
 664             else
 665               path=TracePSClippath((unsigned char *) attribute,(size_t) count,
 666                 image->columns,image->rows);
 667             (void) SetImageProperty((Image *) image,key,(const char *) path);
 668             path=DestroyString(path);
 669           }
 670         attribute=DestroyString(attribute);
 671         status=MagickTrue;
 672       }
 673   }
 674   if (resource != (char *) NULL)
 675     resource=DestroyString(resource);
 676   return(status);
 677 }
 678
 679 static inline unsigned short ReadPropertyShort(const EndianType endian,
 680   const unsigned char *buffer)
 681 {
 682   unsigned short
 683     value;
 684
 685   if (endian == MSBEndian)
 686     {
 687       value=(unsigned short) ((((unsigned char *) buffer)[0] << 8) |
 688         ((unsigned char *) buffer)[1]);
 689       return((unsigned short) (value & 0xffff));
 690     }
 691   value=(unsigned short) ((buffer[1] << 8) | buffer[0]);
 692   return((unsigned short) (value & 0xffff));
 693 }
 694
 695 static inline size_t ReadPropertyLong(const EndianType endian,
 696   const unsigned char *buffer)
 697 {
 698   size_t
 699     value;
 700
 701   if (endian == MSBEndian)
 702     {
 703       value=(size_t) ((buffer[0] << 24) | (buffer[1] << 16) |
 704         (buffer[2] << 8) | buffer[3]);
 705       return((size_t) (value & 0xffffffff));
 706     }
 707   value=(size_t) ((buffer[3] << 24) | (buffer[2] << 16) |
 708     (buffer[1] << 8 ) | (buffer[0]));
 709   return((size_t) (value & 0xffffffff));
 710 }
 711
 712 static MagickBooleanType GetEXIFProperty(const Image *image,
 713   const char *property)
 714 {
 715 #define MaxDirectoryStack  16
 716 #define EXIF_DELIMITER  "\n"
 717 #define EXIF_NUM_FORMATS  12
 718 #define EXIF_FMT_BYTE  1
 719 #define EXIF_FMT_STRING  2
 720 #define EXIF_FMT_USHORT  3
 721 #define EXIF_FMT_ULONG  4
 722 #define EXIF_FMT_URATIONAL  5
 723 #define EXIF_FMT_SBYTE  6
 724 #define EXIF_FMT_UNDEFINED  7
 725 #define EXIF_FMT_SSHORT  8
 726 #define EXIF_FMT_SLONG  9
 727 #define EXIF_FMT_SRATIONAL  10
 728 #define EXIF_FMT_SINGLE  11
 729 #define EXIF_FMT_DOUBLE  12
 730 #define TAG_EXIF_OFFSET  0x8769
 731 #define TAG_GPS_OFFSET  0x8825
 732 #define TAG_INTEROP_OFFSET  0xa005
 733
 734 #define EXIFMultipleValues(size, format, arg) \
 735 { \
 736    ssize_t \
 737      component; \
 738  \
 739    size_t \
 740      length; \
 741  \
 742    unsigned char \
 743      *p1; \
 744  \
 745    length=0; \
 746    p1=p; \
 747    for (component=0; component < components; component++) \
 748    { \
 749      length+=FormatMagickString(buffer+length,MaxTextExtent-length, \
 750        format", ",arg); \
 751      if (length >= MaxTextExtent - 1) \
 752        length=MaxTextExtent-1; \
 753      p1+=size; \
 754    } \
 755    if (length > 1) \
 756      buffer[length-2]='\0'; \
 757    value=AcquireString(buffer); \
 758 }
 759
 760 #define EXIFMultipleFractions(size, format, arg1, arg2) \
 761 { \
 762    ssize_t \
 763      component; \
 764  \
 765    size_t \
 766      length; \
 767  \
 768    unsigned char \
 769      *p1; \
 770  \
 771    length=0; \
 772    p1=p; \
 773    for (component=0; component < components; component++) \
 774    { \
 775      length+=FormatMagickString(buffer+length,MaxTextExtent-length, \
 776        format", ",arg1, arg2); \
 777      if (length >= MaxTextExtent - 1) \
 778        length=MaxTextExtent-1; \
 779      p1+=size; \
 780    } \
 781    if (length > 1) \
 782      buffer[length-2]='\0'; \
 783    value=AcquireString(buffer); \
 784 }
 785
 786   typedef struct _DirectoryInfo
 787   {
 788     const unsigned char
 789       *directory;
 790
 791     size_t
 792       entry,
 793       offset;
 794   } DirectoryInfo;
 795
 796   typedef struct _TagInfo
 797   {
 798     size_t
 799       tag;
 800
 801     const char
 802       *description;
 803   } TagInfo;
 804
 805   static TagInfo
 806     EXIFTag[] =
 807     {
 808       {  0x001, "exif:InteroperabilityIndex" },
 809       {  0x002, "exif:InteroperabilityVersion" },
 810       {  0x100, "exif:ImageWidth" },
 811       {  0x101, "exif:ImageLength" },
 812       {  0x102, "exif:BitsPerSample" },
 813       {  0x103, "exif:Compression" },
 814       {  0x106, "exif:PhotometricInterpretation" },
 815       {  0x10a, "exif:FillOrder" },
 816       {  0x10d, "exif:DocumentName" },
 817       {  0x10e, "exif:ImageDescription" },
 818       {  0x10f, "exif:Make" },
 819       {  0x110, "exif:Model" },
 820       {  0x111, "exif:StripOffsets" },
 821       {  0x112, "exif:Orientation" },
 822       {  0x115, "exif:SamplesPerPixel" },
 823       {  0x116, "exif:RowsPerStrip" },
 824       {  0x117, "exif:StripByteCounts" },
 825       {  0x11a, "exif:XResolution" },
 826       {  0x11b, "exif:YResolution" },
 827       {  0x11c, "exif:PlanarConfiguration" },
 828       {  0x11d, "exif:PageName" },
 829       {  0x11e, "exif:XPosition" },
 830       {  0x11f, "exif:YPosition" },
 831       {  0x118, "exif:MinSampleValue" },
 832       {  0x119, "exif:MaxSampleValue" },
 833       {  0x120, "exif:FreeOffsets" },
 834       {  0x121, "exif:FreeByteCounts" },
 835       {  0x122, "exif:GrayResponseUnit" },
 836       {  0x123, "exif:GrayResponseCurve" },
 837       {  0x124, "exif:T4Options" },
 838       {  0x125, "exif:T6Options" },
 839       {  0x128, "exif:ResolutionUnit" },
 840       {  0x12d, "exif:TransferFunction" },
 841       {  0x131, "exif:Software" },
 842       {  0x132, "exif:DateTime" },
 843       {  0x13b, "exif:Artist" },
 844       {  0x13e, "exif:WhitePoint" },
 845       {  0x13f, "exif:PrimaryChromaticities" },
 846       {  0x140, "exif:ColorMap" },
 847       {  0x141, "exif:HalfToneHints" },
 848       {  0x142, "exif:TileWidth" },
 849       {  0x143, "exif:TileLength" },
 850       {  0x144, "exif:TileOffsets" },
 851       {  0x145, "exif:TileByteCounts" },
 852       {  0x14a, "exif:SubIFD" },
 853       {  0x14c, "exif:InkSet" },
 854       {  0x14d, "exif:InkNames" },
 855       {  0x14e, "exif:NumberOfInks" },
 856       {  0x150, "exif:DotRange" },
 857       {  0x151, "exif:TargetPrinter" },
 858       {  0x152, "exif:ExtraSample" },
 859       {  0x153, "exif:SampleFormat" },
 860       {  0x154, "exif:SMinSampleValue" },
 861       {  0x155, "exif:SMaxSampleValue" },
 862       {  0x156, "exif:TransferRange" },
 863       {  0x157, "exif:ClipPath" },
 864       {  0x158, "exif:XClipPathUnits" },
 865       {  0x159, "exif:YClipPathUnits" },
 866       {  0x15a, "exif:Indexed" },
 867       {  0x15b, "exif:JPEGTables" },
 868       {  0x15f, "exif:OPIProxy" },
 869       {  0x200, "exif:JPEGProc" },
 870       {  0x201, "exif:JPEGInterchangeFormat" },
 871       {  0x202, "exif:JPEGInterchangeFormatLength" },
 872       {  0x203, "exif:JPEGRestartInterval" },
 873       {  0x205, "exif:JPEGLosslessPredictors" },
 874       {  0x206, "exif:JPEGPointTransforms" },
 875       {  0x207, "exif:JPEGQTables" },
 876       {  0x208, "exif:JPEGDCTables" },
 877       {  0x209, "exif:JPEGACTables" },
 878       {  0x211, "exif:YCbCrCoefficients" },
 879       {  0x212, "exif:YCbCrSubSampling" },
 880       {  0x213, "exif:YCbCrPositioning" },
 881       {  0x214, "exif:ReferenceBlackWhite" },
 882       {  0x2bc, "exif:ExtensibleMetadataPlatform" },
 883       {  0x301, "exif:Gamma" },
 884       {  0x302, "exif:ICCProfileDescriptor" },
 885       {  0x303, "exif:SRGBRenderingIntent" },
 886       {  0x320, "exif:ImageTitle" },
 887       {  0x5001, "exif:ResolutionXUnit" },
 888       {  0x5002, "exif:ResolutionYUnit" },
 889       {  0x5003, "exif:ResolutionXLengthUnit" },
 890       {  0x5004, "exif:ResolutionYLengthUnit" },
 891       {  0x5005, "exif:PrintFlags" },
 892       {  0x5006, "exif:PrintFlagsVersion" },
 893       {  0x5007, "exif:PrintFlagsCrop" },
 894       {  0x5008, "exif:PrintFlagsBleedWidth" },
 895       {  0x5009, "exif:PrintFlagsBleedWidthScale" },
 896       {  0x500A, "exif:HalftoneLPI" },
 897       {  0x500B, "exif:HalftoneLPIUnit" },
 898       {  0x500C, "exif:HalftoneDegree" },
 899       {  0x500D, "exif:HalftoneShape" },
 900       {  0x500E, "exif:HalftoneMisc" },
 901       {  0x500F, "exif:HalftoneScreen" },
 902       {  0x5010, "exif:JPEGQuality" },
 903       {  0x5011, "exif:GridSize" },
 904       {  0x5012, "exif:ThumbnailFormat" },
 905       {  0x5013, "exif:ThumbnailWidth" },
 906       {  0x5014, "exif:ThumbnailHeight" },
 907       {  0x5015, "exif:ThumbnailColorDepth" },
 908       {  0x5016, "exif:ThumbnailPlanes" },
 909       {  0x5017, "exif:ThumbnailRawBytes" },
 910       {  0x5018, "exif:ThumbnailSize" },
 911       {  0x5019, "exif:ThumbnailCompressedSize" },
 912       {  0x501a, "exif:ColorTransferFunction" },
 913       {  0x501b, "exif:ThumbnailData" },
 914       {  0x5020, "exif:ThumbnailImageWidth" },
 915       {  0x5021, "exif:ThumbnailImageHeight" },
 916       {  0x5022, "exif:ThumbnailBitsPerSample" },
 917       {  0x5023, "exif:ThumbnailCompression" },
 918       {  0x5024, "exif:ThumbnailPhotometricInterp" },
 919       {  0x5025, "exif:ThumbnailImageDescription" },
 920       {  0x5026, "exif:ThumbnailEquipMake" },
 921       {  0x5027, "exif:ThumbnailEquipModel" },
 922       {  0x5028, "exif:ThumbnailStripOffsets" },
 923       {  0x5029, "exif:ThumbnailOrientation" },
 924       {  0x502a, "exif:ThumbnailSamplesPerPixel" },
 925       {  0x502b, "exif:ThumbnailRowsPerStrip" },
 926       {  0x502c, "exif:ThumbnailStripBytesCount" },
 927       {  0x502d, "exif:ThumbnailResolutionX" },
 928       {  0x502e, "exif:ThumbnailResolutionY" },
 929       {  0x502f, "exif:ThumbnailPlanarConfig" },
 930       {  0x5030, "exif:ThumbnailResolutionUnit" },
 931       {  0x5031, "exif:ThumbnailTransferFunction" },
 932       {  0x5032, "exif:ThumbnailSoftwareUsed" },
 933       {  0x5033, "exif:ThumbnailDateTime" },
 934       {  0x5034, "exif:ThumbnailArtist" },
 935       {  0x5035, "exif:ThumbnailWhitePoint" },
 936       {  0x5036, "exif:ThumbnailPrimaryChromaticities" },
 937       {  0x5037, "exif:ThumbnailYCbCrCoefficients" },
 938       {  0x5038, "exif:ThumbnailYCbCrSubsampling" },
 939       {  0x5039, "exif:ThumbnailYCbCrPositioning" },
 940       {  0x503A, "exif:ThumbnailRefBlackWhite" },
 941       {  0x503B, "exif:ThumbnailCopyRight" },
 942       {  0x5090, "exif:LuminanceTable" },
 943       {  0x5091, "exif:ChrominanceTable" },
 944       {  0x5100, "exif:FrameDelay" },
 945       {  0x5101, "exif:LoopCount" },
 946       {  0x5110, "exif:PixelUnit" },
 947       {  0x5111, "exif:PixelPerUnitX" },
 948       {  0x5112, "exif:PixelPerUnitY" },
 949       {  0x5113, "exif:PaletteHistogram" },
 950       {  0x1000, "exif:RelatedImageFileFormat" },
 951       {  0x1001, "exif:RelatedImageLength" },
 952       {  0x1002, "exif:RelatedImageWidth" },
 953       {  0x800d, "exif:ImageID" },
 954       {  0x80e3, "exif:Matteing" },
 955       {  0x80e4, "exif:DataType" },
 956       {  0x80e5, "exif:ImageDepth" },
 957       {  0x80e6, "exif:TileDepth" },
 958       {  0x828d, "exif:CFARepeatPatternDim" },
 959       {  0x828e, "exif:CFAPattern2" },
 960       {  0x828f, "exif:BatteryLevel" },
 961       {  0x8298, "exif:Copyright" },
 962       {  0x829a, "exif:ExposureTime" },
 963       {  0x829d, "exif:FNumber" },
 964       {  0x83bb, "exif:IPTC/NAA" },
 965       {  0x84e3, "exif:IT8RasterPadding" },
 966       {  0x84e5, "exif:IT8ColorTable" },
 967       {  0x8649, "exif:ImageResourceInformation" },
 968       {  0x8769, "exif:ExifOffset" },
 969       {  0x8773, "exif:InterColorProfile" },
 970       {  0x8822, "exif:ExposureProgram" },
 971       {  0x8824, "exif:SpectralSensitivity" },
 972       {  0x8825, "exif:GPSInfo" },
 973       {  0x8827, "exif:ISOSpeedRatings" },
 974       {  0x8828, "exif:OECF" },
 975       {  0x8829, "exif:Interlace" },
 976       {  0x882a, "exif:TimeZoneOffset" },
 977       {  0x882b, "exif:SelfTimerMode" },
 978       {  0x9000, "exif:ExifVersion" },
 979       {  0x9003, "exif:DateTimeOriginal" },
 980       {  0x9004, "exif:DateTimeDigitized" },
 981       {  0x9101, "exif:ComponentsConfiguration" },
 982       {  0x9102, "exif:CompressedBitsPerPixel" },
 983       {  0x9201, "exif:ShutterSpeedValue" },
 984       {  0x9202, "exif:ApertureValue" },
 985       {  0x9203, "exif:BrightnessValue" },
 986       {  0x9204, "exif:ExposureBiasValue" },
 987       {  0x9205, "exif:MaxApertureValue" },
 988       {  0x9206, "exif:SubjectDistance" },
 989       {  0x9207, "exif:MeteringMode" },
 990       {  0x9208, "exif:LightSource" },
 991       {  0x9209, "exif:Flash" },
 992       {  0x920a, "exif:FocalLength" },
 993       {  0x920b, "exif:FlashEnergy" },
 994       {  0x920c, "exif:SpatialFrequencyResponse" },
 995       {  0x920d, "exif:Noise" },
 996       {  0x9211, "exif:ImageNumber" },
 997       {  0x9212, "exif:SecurityClassification" },
 998       {  0x9213, "exif:ImageHistory" },
 999       {  0x9214, "exif:SubjectArea" },
1000       {  0x9215, "exif:ExposureIndex" },
1001       {  0x9216, "exif:TIFF-EPStandardID" },
1002       {  0x927c, "exif:MakerNote" },
1003       {  0x9C9b, "exif:WinXP-Title" },
1004       {  0x9C9c, "exif:WinXP-Comments" },
1005       {  0x9C9d, "exif:WinXP-Author" },
1006       {  0x9C9e, "exif:WinXP-Keywords" },
1007       {  0x9C9f, "exif:WinXP-Subject" },
1008       {  0x9286, "exif:UserComment" },
1009       {  0x9290, "exif:SubSecTime" },
1010       {  0x9291, "exif:SubSecTimeOriginal" },
1011       {  0x9292, "exif:SubSecTimeDigitized" },
1012       {  0xa000, "exif:FlashPixVersion" },
1013       {  0xa001, "exif:ColorSpace" },
1014       {  0xa002, "exif:ExifImageWidth" },
1015       {  0xa003, "exif:ExifImageLength" },
1016       {  0xa004, "exif:RelatedSoundFile" },
1017       {  0xa005, "exif:InteroperabilityOffset" },
1018       {  0xa20b, "exif:FlashEnergy" },
1019       {  0xa20c, "exif:SpatialFrequencyResponse" },
1020       {  0xa20d, "exif:Noise" },
1021       {  0xa20e, "exif:FocalPlaneXResolution" },
1022       {  0xa20f, "exif:FocalPlaneYResolution" },
1023       {  0xa210, "exif:FocalPlaneResolutionUnit" },
1024       {  0xa214, "exif:SubjectLocation" },
1025       {  0xa215, "exif:ExposureIndex" },
1026       {  0xa216, "exif:TIFF/EPStandardID" },
1027       {  0xa217, "exif:SensingMethod" },
1028       {  0xa300, "exif:FileSource" },
1029       {  0xa301, "exif:SceneType" },
1030       {  0xa302, "exif:CFAPattern" },
1031       {  0xa401, "exif:CustomRendered" },
1032       {  0xa402, "exif:ExposureMode" },
1033       {  0xa403, "exif:WhiteBalance" },
1034       {  0xa404, "exif:DigitalZoomRatio" },
1035       {  0xa405, "exif:FocalLengthIn35mmFilm" },
1036       {  0xa406, "exif:SceneCaptureType" },
1037       {  0xa407, "exif:GainControl" },
1038       {  0xa408, "exif:Contrast" },
1039       {  0xa409, "exif:Saturation" },
1040       {  0xa40a, "exif:Sharpness" },
1041       {  0xa40b, "exif:DeviceSettingDescription" },
1042       {  0xa40c, "exif:SubjectDistanceRange" },
1043       {  0xa420, "exif:ImageUniqueID" },
1044       {  0xc4a5, "exif:PrintImageMatching" },
1045       {  0xa500, "exif:Gamma" },
1046       {  0xc640, "exif:CR2Slice" },
1047       { 0x10000, "exif:GPSVersionID" },
1048       { 0x10001, "exif:GPSLatitudeRef" },
1049       { 0x10002, "exif:GPSLatitude" },
1050       { 0x10003, "exif:GPSLongitudeRef" },
1051       { 0x10004, "exif:GPSLongitude" },
1052       { 0x10005, "exif:GPSAltitudeRef" },
1053       { 0x10006, "exif:GPSAltitude" },
1054       { 0x10007, "exif:GPSTimeStamp" },
1055       { 0x10008, "exif:GPSSatellites" },
1056       { 0x10009, "exif:GPSStatus" },
1057       { 0x1000a, "exif:GPSMeasureMode" },
1058       { 0x1000b, "exif:GPSDop" },
1059       { 0x1000c, "exif:GPSSpeedRef" },
1060       { 0x1000d, "exif:GPSSpeed" },
1061       { 0x1000e, "exif:GPSTrackRef" },
1062       { 0x1000f, "exif:GPSTrack" },
1063       { 0x10010, "exif:GPSImgDirectionRef" },
1064       { 0x10011, "exif:GPSImgDirection" },
1065       { 0x10012, "exif:GPSMapDatum" },
1066       { 0x10013, "exif:GPSDestLatitudeRef" },
1067       { 0x10014, "exif:GPSDestLatitude" },
1068       { 0x10015, "exif:GPSDestLongitudeRef" },
1069       { 0x10016, "exif:GPSDestLongitude" },
1070       { 0x10017, "exif:GPSDestBearingRef" },
1071       { 0x10018, "exif:GPSDestBearing" },
1072       { 0x10019, "exif:GPSDestDistanceRef" },
1073       { 0x1001a, "exif:GPSDestDistance" },
1074       { 0x1001b, "exif:GPSProcessingMethod" },
1075       { 0x1001c, "exif:GPSAreaInformation" },
1076       { 0x1001d, "exif:GPSDateStamp" },
1077       { 0x1001e, "exif:GPSDifferential" },
1078       {  0x0000, NULL}
1079     };
1080
1081   const StringInfo
1082     *profile;
1083
1084   const unsigned char
1085     *directory,
1086     *exif;
1087
1088   DirectoryInfo
1089     directory_stack[MaxDirectoryStack];
1090
1091   EndianType
1092     endian;
1093
1094   ssize_t
1095     all,
1096     id,
1097     level,
1098     tag_value;
1099
1100   register ssize_t
1101     i;
1102
1103   size_t
1104     length;
1105
1106   ssize_t
1107     offset;
1108
1109   static int
1110     tag_bytes[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
1111
1112   size_t
1113     entry,
1114     number_entries,
1115     tag_offset,
1116     tag;
1117
1118   /*
1119     If EXIF data exists, then try to parse the request for a tag.
1120   */
1121   profile=GetImageProfile(image,"exif");
1122   if (profile == (StringInfo *) NULL)
1123     return(MagickFalse);
1124   if ((property == (const char *) NULL) || (*property == '\0'))
1125     return(MagickFalse);
1126   while (isspace((int) ((unsigned char) *property)) != 0)
1127     property++;
1128   all=0;
1129   tag=(~0UL);
1130   switch (*(property+5))
1131   {
1132     case '*':
1133     {
1134       /*
1135         Caller has asked for all the tags in the EXIF data.
1136       */
1137       tag=0;
1138       all=1; /* return the data in description=value format */
1139       break;
1140     }
1141     case '!':
1142     {
1143       tag=0;
1144       all=2; /* return the data in tagid=value format */
1145       break;
1146     }
1147     case '#':
1148     case '@':
1149     {
1150       int
1151         c;
1152
1153       size_t
1154         n;
1155
1156       /*
1157         Check for a hex based tag specification first.
1158       */
1159       tag=(*(property+5) == '@') ? 1UL : 0UL;
1160       property+=6;
1161       n=strlen(property);
1162       if (n != 4)
1163         return(MagickFalse);
1164       /*
1165         Parse tag specification as a hex number.
1166       */
1167       n/=4;
1168       do
1169       {
1170         for (i=(ssize_t) n-1L; i >= 0; i--)
1171         {
1172           c=(*property++);
1173           tag<<=4;
1174           if ((c >= '0') && (c <= '9'))
1175             tag|=(c-'0');
1176           else
1177             if ((c >= 'A') && (c <= 'F'))
1178               tag|=(c-('A'-10));
1179             else
1180               if ((c >= 'a') && (c <= 'f'))
1181                 tag|=(c-('a'-10));
1182               else
1183                 return(MagickFalse);
1184         }
1185       } while (*property != '\0');
1186       break;
1187     }
1188     default:
1189     {
1190       /*
1191         Try to match the text with a tag name instead.
1192       */
1193       for (i=0; ; i++)
1194       {
1195         if (EXIFTag[i].tag == 0)
1196           break;
1197         if (LocaleCompare(EXIFTag[i].description,property) == 0)
1198           {
1199             tag=(size_t) EXIFTag[i].tag;
1200             break;
1201           }
1202       }
1203       break;
1204     }
1205   }
1206   if (tag == (~0UL))
1207     return(MagickFalse);
1208   length=GetStringInfoLength(profile);
1209   exif=GetStringInfoDatum(profile);
1210   while (length != 0)
1211   {
1212     if (ReadPropertyByte(&exif,&length) != 0x45)
1213       continue;
1214     if (ReadPropertyByte(&exif,&length) != 0x78)
1215       continue;
1216     if (ReadPropertyByte(&exif,&length) != 0x69)
1217       continue;
1218     if (ReadPropertyByte(&exif,&length) != 0x66)
1219       continue;
1220     if (ReadPropertyByte(&exif,&length) != 0x00)
1221       continue;
1222     if (ReadPropertyByte(&exif,&length) != 0x00)
1223       continue;
1224     break;
1225   }
1226   if (length < 16)
1227     return(MagickFalse);
1228   id=(ssize_t) ReadPropertyShort(LSBEndian,exif);
1229   endian=LSBEndian;
1230   if (id == 0x4949)
1231     endian=LSBEndian;
1232   else
1233     if (id == 0x4D4D)
1234       endian=MSBEndian;
1235     else
1236       return(MagickFalse);
1237   if (ReadPropertyShort(endian,exif+2) != 0x002a)
1238     return(MagickFalse);
1239   /*
1240     This the offset to the first IFD.
1241   */
1242   offset=(int) ReadPropertyLong(endian,exif+4);
1243   if ((size_t) offset >= length)
1244     return(MagickFalse);
1245   /*
1246     Set the pointer to the first IFD and follow it were it leads.
1247   */
1248   directory=exif+offset;
1249   level=0;
1250   entry=0;
1251   tag_offset=0;
1252   do
1253   {
1254     /*
1255       If there is anything on the stack then pop it off.
1256     */
1257     if (level > 0)
1258       {
1259         level--;
1260         directory=directory_stack[level].directory;
1261         entry=directory_stack[level].entry;
1262         tag_offset=directory_stack[level].offset;
1263       }
1264     /*
1265       Determine how many entries there are in the current IFD.
1266     */
1267     number_entries=ReadPropertyShort(endian,directory);
1268     for ( ; entry < number_entries; entry++)
1269     {
1270       ssize_t
1271         components;
1272
1273       register unsigned char
1274         *p,
1275         *q;
1276
1277       size_t
1278         number_bytes;
1279
1280       size_t
1281         format;
1282
1283       q=(unsigned char *) (directory+2+(12*entry));
1284       tag_value=(ssize_t) (ReadPropertyShort(endian,q)+tag_offset);
1285       format=(size_t) ReadPropertyShort(endian,q+2);
1286       if (format >= (sizeof(tag_bytes)/sizeof(*tag_bytes)))
1287         break;
1288       components=(int) ReadPropertyLong(endian,q+4);
1289       number_bytes=(size_t) components*tag_bytes[format];
1290       if (number_bytes <= 4)
1291         p=q+8;
1292       else
1293         {
1294           ssize_t
1295             offset;
1296
1297           /*
1298             The directory entry contains an offset.
1299           */
1300           offset=(int) ReadPropertyLong(endian,q+8);
1301           if ((size_t) (offset+number_bytes) > length)
1302             continue;
1303           p=(unsigned char *) (exif+offset);
1304         }
1305       if ((all != 0) || (tag == (size_t) tag_value))
1306         {
1307           char
1308             buffer[MaxTextExtent],
1309             *value;
1310
1311           switch (format)
1312           {
1313             case EXIF_FMT_BYTE:
1314             case EXIF_FMT_UNDEFINED:
1315             {
1316               EXIFMultipleValues(1,"%.20g",(double)
1317                 (*(unsigned char *) p1));
1318               break;
1319             }
1320             case EXIF_FMT_SBYTE:
1321             {
1322               EXIFMultipleValues(1,"%.20g",(double) (*(signed char *) p1));
1323               break;
1324             }
1325             case EXIF_FMT_SSHORT:
1326             {
1327               EXIFMultipleValues(2,"%hd",ReadPropertyShort(endian,p1));
1328               break;
1329             }
1330             case EXIF_FMT_USHORT:
1331             {
1332               EXIFMultipleValues(2,"%hu",ReadPropertyShort(endian,p1));
1333               break;
1334             }
1335             case EXIF_FMT_ULONG:
1336             {
1337               EXIFMultipleValues(4,"%.20g",(double)
1338                 ReadPropertyLong(endian,p1));
1339               break;
1340             }
1341             case EXIF_FMT_SLONG:
1342             {
1343               EXIFMultipleValues(4,"%.20g",(double)
1344                 ReadPropertyLong(endian,p1));
1345               break;
1346             }
1347             case EXIF_FMT_URATIONAL:
1348             {
1349               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1350                 ReadPropertyLong(endian,p1),(double)
1351                 ReadPropertyLong(endian,p1+4));
1352               break;
1353             }
1354             case EXIF_FMT_SRATIONAL:
1355             {
1356               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1357                 ReadPropertyLong(endian,p1),(double)
1358                 ReadPropertyLong(endian,p1+4));
1359               break;
1360             }
1361             case EXIF_FMT_SINGLE:
1362             {
1363               EXIFMultipleValues(4,"%f",(double) *(float *) p1);
1364               break;
1365             }
1366             case EXIF_FMT_DOUBLE:
1367             {
1368               EXIFMultipleValues(8,"%f",*(double *) p1);
1369               break;
1370             }
1371             default:
1372             case EXIF_FMT_STRING:
1373             {
1374               value=(char *) NULL;
1375               if (~(1UL*number_bytes) >= 1)
1376                 value=(char *) AcquireQuantumMemory((size_t) number_bytes+1UL,
1377                   sizeof(*value));
1378               if (value != (char *) NULL)
1379                 {
1380                   register ssize_t
1381                     i;
1382
1383                   for (i=0; i < (ssize_t) number_bytes; i++)
1384                   {
1385                     value[i]='.';
1386                     if ((isprint((int) p[i]) != 0) || (p[i] == '\0'))
1387                       value[i]=(char) p[i];
1388                   }
1389                   value[i]='\0';
1390                 }
1391               break;
1392             }
1393           }
1394           if (value != (char *) NULL)
1395             {
1396               char
1397                 key[MaxTextExtent];
1398
1399               register const char
1400                 *p;
1401
1402               (void) CopyMagickString(key,property,MaxTextExtent);
1403               switch (all)
1404               {
1405                 case 1:
1406                 {
1407                   const char
1408                     *description;
1409
1410                   register ssize_t
1411                     i;
1412
1413                   description="unknown";
1414                   for (i=0; ; i++)
1415                   {
1416                     if (EXIFTag[i].tag == 0)
1417                       break;
1418                     if ((ssize_t) EXIFTag[i].tag == tag_value)
1419                       {
1420                         description=EXIFTag[i].description;
1421                         break;
1422                       }
1423                   }
1424                   (void) FormatMagickString(key,MaxTextExtent,"%s",
1425                     description);
1426                   break;
1427                 }
1428                 case 2:
1429                 {
1430                   if (tag_value < 0x10000)
1431                     (void) FormatMagickString(key,MaxTextExtent,"#%04lx",
1432                       (unsigned long) tag_value);
1433                   else
1434                     if (tag_value < 0x20000)
1435                       (void) FormatMagickString(key,MaxTextExtent,"@%04lx",
1436                         (unsigned long) (tag_value & 0xffff));
1437                     else
1438                       (void) FormatMagickString(key,MaxTextExtent,"unknown");
1439                   break;
1440                 }
1441               }
1442               p=(const char *) NULL;
1443               if (image->properties != (void *) NULL)
1444                 p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
1445                   image->properties,key);
1446               if (p == (const char *) NULL)
1447                 (void) SetImageProperty((Image *) image,key,value);
1448               value=DestroyString(value);
1449             }
1450         }
1451         if ((tag_value == TAG_EXIF_OFFSET) ||
1452             (tag_value == TAG_INTEROP_OFFSET) ||
1453             (tag_value == TAG_GPS_OFFSET))
1454           {
1455             size_t
1456               offset;
1457
1458             offset=(size_t) ReadPropertyLong(endian,p);
1459             if ((offset < length) && (level < (MaxDirectoryStack-2)))
1460               {
1461                 size_t
1462                   tag_offset1;
1463
1464                 tag_offset1=(tag_value == TAG_GPS_OFFSET) ? 0x10000UL : 0UL;
1465                 directory_stack[level].directory=directory;
1466                 entry++;
1467                 directory_stack[level].entry=entry;
1468                 directory_stack[level].offset=tag_offset;
1469                 level++;
1470                 directory_stack[level].directory=exif+offset;
1471                 directory_stack[level].offset=tag_offset1;
1472                 directory_stack[level].entry=0;
1473                 level++;
1474                 if ((directory+2+(12*number_entries)) > (exif+length))
1475                   break;
1476                 offset=(size_t) ReadPropertyLong(endian,directory+2+(12*
1477                   number_entries));
1478                 if ((offset != 0) && (offset < length) &&
1479                     (level < (MaxDirectoryStack-2)))
1480                   {
1481                     directory_stack[level].directory=exif+offset;
1482                     directory_stack[level].entry=0;
1483                     directory_stack[level].offset=tag_offset1;
1484                     level++;
1485                   }
1486               }
1487             break;
1488           }
1489     }
1490   } while (level > 0);
1491   return(MagickTrue);
1492 }
1493
1494 static MagickBooleanType GetXMPProperty(const Image *image,
1495   const char *property)
1496 {
1497   char
1498     *xmp_profile;
1499
1500   const StringInfo
1501     *profile;
1502
1503   ExceptionInfo
1504     *exception;
1505
1506   MagickBooleanType
1507     status;
1508
1509   register const char
1510     *p;
1511
1512   XMLTreeInfo
1513     *child,
1514     *description,
1515     *node,
1516     *rdf,
1517     *xmp;
1518
1519   profile=GetImageProfile(image,"xmp");
1520   if (profile == (StringInfo *) NULL)
1521     return(MagickFalse);
1522   if ((property == (const char *) NULL) || (*property == '\0'))
1523     return(MagickFalse);
1524   xmp_profile=StringInfoToString(profile);
1525   if (xmp_profile == (char *) NULL)
1526     return(MagickFalse);
1527   for (p=xmp_profile; *p != '\0'; p++)
1528     if ((*p == '<') && (*(p+1) == 'x'))
1529       break;
1530   exception=AcquireExceptionInfo();
1531   xmp=NewXMLTree((char *) p,exception);
1532   xmp_profile=DestroyString(xmp_profile);
1533   exception=DestroyExceptionInfo(exception);
1534   if (xmp == (XMLTreeInfo *) NULL)
1535     return(MagickFalse);
1536   status=MagickFalse;
1537   rdf=GetXMLTreeChild(xmp,"rdf:RDF");
1538   if (rdf != (XMLTreeInfo *) NULL)
1539     {
1540       if (image->properties == (void *) NULL)
1541         ((Image *) image)->properties=NewSplayTree(CompareSplayTreeString,
1542           RelinquishMagickMemory,RelinquishMagickMemory);
1543       description=GetXMLTreeChild(rdf,"rdf:Description");
1544       while (description != (XMLTreeInfo *) NULL)
1545       {
1546         node=GetXMLTreeChild(description,(const char *) NULL);
1547         while (node != (XMLTreeInfo *) NULL)
1548         {
1549           child=GetXMLTreeChild(node,(const char *) NULL);
1550           if (child == (XMLTreeInfo *) NULL)
1551             (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1552               ConstantString(GetXMLTreeTag(node)),
1553               ConstantString(GetXMLTreeContent(node)));
1554           while (child != (XMLTreeInfo *) NULL)
1555           {
1556             if (LocaleCompare(GetXMLTreeTag(child),"rdf:Seq") != 0)
1557               (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1558                 ConstantString(GetXMLTreeTag(child)),
1559                 ConstantString(GetXMLTreeContent(child)));
1560             child=GetXMLTreeSibling(child);
1561           }
1562           node=GetXMLTreeSibling(node);
1563         }
1564         description=GetNextXMLTreeTag(description);
1565       }
1566     }
1567   xmp=DestroyXMLTree(xmp);
1568   return(status);
1569 }
1570
1571 static char *TracePSClippath(const unsigned char *blob,size_t length,
1572   const size_t magick_unused(columns),
1573   const size_t magick_unused(rows))
1574 {
1575   char
1576     *path,
1577     *message;
1578
1579   ssize_t
1580     knot_count,
1581     selector,
1582     y;
1583
1584   MagickBooleanType
1585     in_subpath;
1586
1587   PointInfo
1588     first[3],
1589     last[3],
1590     point[3];
1591
1592   register ssize_t
1593     i,
1594     x;
1595
1596   path=AcquireString((char *) NULL);
1597   if (path == (char *) NULL)
1598     return((char *) NULL);
1599   message=AcquireString((char *) NULL);
1600   (void) FormatMagickString(message,MaxTextExtent,"/ClipImage\n");
1601   (void) ConcatenateString(&path,message);
1602   (void) FormatMagickString(message,MaxTextExtent,"{\n");
1603   (void) ConcatenateString(&path,message);
1604   (void) FormatMagickString(message,MaxTextExtent,"  /c {curveto} bind def\n");
1605   (void) ConcatenateString(&path,message);
1606   (void) FormatMagickString(message,MaxTextExtent,"  /l {lineto} bind def\n");
1607   (void) ConcatenateString(&path,message);
1608   (void) FormatMagickString(message,MaxTextExtent,"  /m {moveto} bind def\n");
1609   (void) ConcatenateString(&path,message);
1610   (void) FormatMagickString(message,MaxTextExtent,
1611     "  /v {currentpoint 6 2 roll curveto} bind def\n");
1612   (void) ConcatenateString(&path,message);
1613   (void) FormatMagickString(message,MaxTextExtent,
1614     "  /y {2 copy curveto} bind def\n");
1615   (void) ConcatenateString(&path,message);
1616   (void) FormatMagickString(message,MaxTextExtent,
1617     "  /z {closepath} bind def\n");
1618   (void) ConcatenateString(&path,message);
1619   (void) FormatMagickString(message,MaxTextExtent,"  newpath\n");
1620   (void) ConcatenateString(&path,message);
1621   /*
1622     The clipping path format is defined in "Adobe Photoshop File
1623     Formats Specification" version 6.0 downloadable from adobe.com.
1624   */
1625   (void) ResetMagickMemory(point,0,sizeof(point));
1626   (void) ResetMagickMemory(first,0,sizeof(first));
1627   (void) ResetMagickMemory(last,0,sizeof(last));
1628   knot_count=0;
1629   in_subpath=MagickFalse;
1630   while (length > 0)
1631   {
1632     selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1633     switch (selector)
1634     {
1635       case 0:
1636       case 3:
1637       {
1638         if (knot_count != 0)
1639           {
1640             blob+=24;
1641             length-=24;
1642             break;
1643           }
1644         /*
1645           Expected subpath length record.
1646         */
1647         knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1648         blob+=22;
1649         length-=22;
1650         break;
1651       }
1652       case 1:
1653       case 2:
1654       case 4:
1655       case 5:
1656       {
1657         if (knot_count == 0)
1658           {
1659             /*
1660               Unexpected subpath knot
1661             */
1662             blob+=24;
1663             length-=24;
1664             break;
1665           }
1666         /*
1667           Add sub-path knot
1668         */
1669         for (i=0; i < 3; i++)
1670         {
1671           size_t
1672             xx,
1673             yy;
1674
1675           yy=ReadPropertyMSBLong(&blob,&length);
1676           xx=ReadPropertyMSBLong(&blob,&length);
1677           x=(ssize_t) xx;
1678           if (xx > 2147483647)
1679             x=(ssize_t) xx-4294967295-1;
1680           y=(ssize_t) yy;
1681           if (yy > 2147483647)
1682             y=(ssize_t) yy-4294967295-1;
1683           point[i].x=(double) x/4096/4096;
1684           point[i].y=1.0-(double) y/4096/4096;
1685         }
1686         if (in_subpath == MagickFalse)
1687           {
1688             (void) FormatMagickString(message,MaxTextExtent,"  %g %g m\n",
1689               point[1].x,point[1].y);
1690             for (i=0; i < 3; i++)
1691             {
1692               first[i]=point[i];
1693               last[i]=point[i];
1694             }
1695           }
1696         else
1697           {
1698             /*
1699               Handle special cases when Bezier curves are used to describe
1700               corners and straight lines.
1701             */
1702             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1703                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
1704               (void) FormatMagickString(message,MaxTextExtent,
1705                 "  %g %g l\n",point[1].x,point[1].y);
1706             else
1707               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1708                 (void) FormatMagickString(message,MaxTextExtent,
1709                   "  %g %g %g %g v\n",point[0].x,point[0].y,
1710                   point[1].x,point[1].y);
1711               else
1712                 if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
1713                   (void) FormatMagickString(message,MaxTextExtent,
1714                     "  %g %g %g %g y\n",last[2].x,last[2].y,
1715                     point[1].x,point[1].y);
1716                 else
1717                   (void) FormatMagickString(message,MaxTextExtent,
1718                     "  %g %g %g %g %g %g c\n",last[2].x,
1719                     last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
1720             for (i=0; i < 3; i++)
1721               last[i]=point[i];
1722           }
1723         (void) ConcatenateString(&path,message);
1724         in_subpath=MagickTrue;
1725         knot_count--;
1726         /*
1727           Close the subpath if there are no more knots.
1728         */
1729         if (knot_count == 0)
1730           {
1731             /*
1732               Same special handling as above except we compare to the
1733               first point in the path and close the path.
1734             */
1735             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1736                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
1737               (void) FormatMagickString(message,MaxTextExtent,
1738                 "  %g %g l z\n",first[1].x,first[1].y);
1739             else
1740               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1741                 (void) FormatMagickString(message,MaxTextExtent,
1742                   "  %g %g %g %g v z\n",first[0].x,first[0].y,
1743                   first[1].x,first[1].y);
1744               else
1745                 if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
1746                   (void) FormatMagickString(message,MaxTextExtent,
1747                     "  %g %g %g %g y z\n",last[2].x,last[2].y,
1748                     first[1].x,first[1].y);
1749                 else
1750                   (void) FormatMagickString(message,MaxTextExtent,
1751                     "  %g %g %g %g %g %g c z\n",last[2].x,
1752                     last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
1753             (void) ConcatenateString(&path,message);
1754             in_subpath=MagickFalse;
1755           }
1756         break;
1757       }
1758       case 6:
1759       case 7:
1760       case 8:
1761       default:
1762       {
1763         blob+=24;
1764         length-=24;
1765         break;
1766       }
1767     }
1768   }
1769   /*
1770     Returns an empty PS path if the path has no knots.
1771   */
1772   (void) FormatMagickString(message,MaxTextExtent,"  eoclip\n");
1773   (void) ConcatenateString(&path,message);
1774   (void) FormatMagickString(message,MaxTextExtent,"} bind def");
1775   (void) ConcatenateString(&path,message);
1776   message=DestroyString(message);
1777   return(path);
1778 }
1779
1780 static char *TraceSVGClippath(const unsigned char *blob,size_t length,
1781   const size_t columns,const size_t rows)
1782 {
1783   char
1784     *path,
1785     *message;
1786
1787   ssize_t
1788     knot_count,
1789     selector,
1790     x,
1791     y;
1792
1793   MagickBooleanType
1794     in_subpath;
1795
1796   PointInfo
1797     first[3],
1798     last[3],
1799     point[3];
1800
1801   register ssize_t
1802     i;
1803
1804   path=AcquireString((char *) NULL);
1805   if (path == (char *) NULL)
1806     return((char *) NULL);
1807   message=AcquireString((char *) NULL);
1808   (void) FormatMagickString(message,MaxTextExtent,
1809     "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n");
1810   (void) ConcatenateString(&path,message);
1811   (void) FormatMagickString(message,MaxTextExtent,
1812     "<svg width=\"%.20g\" height=\"%.20g\">\n",(double) columns,(double) rows);
1813   (void) ConcatenateString(&path,message);
1814   (void) FormatMagickString(message,MaxTextExtent,"<g>\n");
1815   (void) ConcatenateString(&path,message);
1816   (void) FormatMagickString(message,MaxTextExtent,
1817     "<path style=\"fill:#00000000;stroke:#00000000;");
1818   (void) ConcatenateString(&path,message);
1819   (void) FormatMagickString(message,MaxTextExtent,
1820     "stroke-width:0;stroke-antialiasing:false\" d=\"\n");
1821   (void) ConcatenateString(&path,message);
1822   (void) ResetMagickMemory(point,0,sizeof(point));
1823   (void) ResetMagickMemory(first,0,sizeof(first));
1824   (void) ResetMagickMemory(last,0,sizeof(last));
1825   knot_count=0;
1826   in_subpath=MagickFalse;
1827   while (length != 0)
1828   {
1829     selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1830     switch (selector)
1831     {
1832       case 0:
1833       case 3:
1834       {
1835         if (knot_count != 0)
1836           {
1837             blob+=24;
1838             length-=24;
1839             break;
1840           }
1841         /*
1842           Expected subpath length record.
1843         */
1844         knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1845         blob+=22;
1846         length-=22;
1847         break;
1848       }
1849       case 1:
1850       case 2:
1851       case 4:
1852       case 5:
1853       {
1854         if (knot_count == 0)
1855           {
1856             /*
1857               Unexpected subpath knot.
1858             */
1859             blob+=24;
1860             length-=24;
1861             break;
1862           }
1863         /*
1864           Add sub-path knot
1865         */
1866         for (i=0; i < 3; i++)
1867         {
1868           size_t
1869             xx,
1870             yy;
1871
1872           yy=ReadPropertyMSBLong(&blob,&length);
1873           xx=ReadPropertyMSBLong(&blob,&length);
1874           x=(ssize_t) xx;
1875           if (xx > 2147483647)
1876             x=(ssize_t) xx-4294967295-1;
1877           y=(ssize_t) yy;
1878           if (yy > 2147483647)
1879             y=(ssize_t) yy-4294967295-1;
1880           point[i].x=(double) x*columns/4096/4096;
1881           point[i].y=(double) y*rows/4096/4096;
1882         }
1883         if (in_subpath == MagickFalse)
1884           {
1885             (void) FormatMagickString(message,MaxTextExtent,"M %g,%g\n",
1886               point[1].x,point[1].y);
1887             for (i=0; i < 3; i++)
1888             {
1889               first[i]=point[i];
1890               last[i]=point[i];
1891             }
1892           }
1893         else
1894           {
1895             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1896                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
1897               (void) FormatMagickString(message,MaxTextExtent,"L %g,%g\n",
1898                 point[1].x,point[1].y);
1899             else
1900               (void) FormatMagickString(message,MaxTextExtent,
1901                 "C %g,%g %g,%g %g,%g\n",last[2].x,last[2].y,
1902                 point[0].x,point[0].y,point[1].x,point[1].y);
1903             for (i=0; i < 3; i++)
1904               last[i]=point[i];
1905           }
1906         (void) ConcatenateString(&path,message);
1907         in_subpath=MagickTrue;
1908         knot_count--;
1909         /*
1910           Close the subpath if there are no more knots.
1911         */
1912         if (knot_count == 0)
1913           {
1914             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1915                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
1916               (void) FormatMagickString(message,MaxTextExtent,
1917                 "L %g,%g Z\n",first[1].x,first[1].y);
1918             else
1919               {
1920                 (void) FormatMagickString(message,MaxTextExtent,
1921                   "C %g,%g %g,%g %g,%g Z\n",last[2].x,
1922                   last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
1923                 (void) ConcatenateString(&path,message);
1924               }
1925             in_subpath=MagickFalse;
1926           }
1927         break;
1928       }
1929       case 6:
1930       case 7:
1931       case 8:
1932       default:
1933       {
1934         blob+=24;
1935         length-=24;
1936         break;
1937       }
1938     }
1939   }
1940   /*
1941     Return an empty SVG image if the path does not have knots.
1942   */
1943   (void) FormatMagickString(message,MaxTextExtent,"\"/>\n");
1944   (void) ConcatenateString(&path,message);
1945   (void) FormatMagickString(message,MaxTextExtent,"</g>\n");
1946   (void) ConcatenateString(&path,message);
1947   (void) FormatMagickString(message,MaxTextExtent,"</svg>\n");
1948   (void) ConcatenateString(&path,message);
1949   message=DestroyString(message);
1950   return(path);
1951 }
1952
1953 MagickExport const char *GetImageProperty(const Image *image,
1954   const char *property)
1955 {
1956   ExceptionInfo
1957     *exception;
1958
1959   FxInfo
1960     *fx_info;
1961
1962   MagickRealType
1963     alpha;
1964
1965   MagickStatusType
1966     status;
1967
1968   register const char
1969     *p;
1970
1971   assert(image != (Image *) NULL);
1972   assert(image->signature == MagickSignature);
1973   if (image->debug != MagickFalse)
1974     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1975   p=(const char *) NULL;
1976   if (property == (const char *) NULL)
1977     {
1978       ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
1979       p=(const char *) GetNextValueInSplayTree((SplayTreeInfo *)
1980         image->properties);
1981       return(p);
1982     }
1983   if (image->properties != (void *) NULL)
1984     {
1985       p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
1986         image->properties,property);
1987       if (p != (const char *) NULL)
1988         return(p);
1989     }
1990   if (strchr(property,':') == (char *) NULL)
1991     return(p);
1992   exception=(&((Image *) image)->exception);
1993   switch (*property)
1994   {
1995     case '8':
1996     {
1997       if (LocaleNCompare("8bim:",property,5) == 0)
1998         {
1999           if (Get8BIMProperty(image,property) != MagickFalse)
2000             {
2001               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2002                 image->properties,property);
2003               return(p);
2004             }
2005         }
2006       break;
2007     }
2008     case 'E':
2009     case 'e':
2010     {
2011       if (LocaleNCompare("exif:",property,5) == 0)
2012         {
2013           if (GetEXIFProperty(image,property) != MagickFalse)
2014             {
2015               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2016                 image->properties,property);
2017               return(p);
2018             }
2019         }
2020       break;
2021     }
2022     case 'F':
2023     case 'f':
2024     {
2025       if (LocaleNCompare("fx:",property,3) == 0)
2026         {
2027           fx_info=AcquireFxInfo(image,property+3);
2028           status=FxEvaluateExpression(fx_info,&alpha,exception);
2029           fx_info=DestroyFxInfo(fx_info);
2030           if (status != MagickFalse)
2031             {
2032               char
2033                 value[MaxTextExtent];
2034
2035               (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2036                 GetMagickPrecision(),(double) alpha);
2037               (void) SetImageProperty((Image *) image,property,value);
2038             }
2039           p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2040             image->properties,property);
2041           return(p);
2042         }
2043       break;
2044     }
2045     case 'I':
2046     case 'i':
2047     {
2048       if (LocaleNCompare("iptc:",property,5) == 0)
2049         {
2050           if (GetIPTCProperty(image,property) != MagickFalse)
2051             {
2052               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2053                 image->properties,property);
2054               return(p);
2055             }
2056         }
2057       break;
2058     }
2059     case 'P':
2060     case 'p':
2061     {
2062       if (LocaleNCompare("pixel:",property,6) == 0)
2063         {
2064           MagickPixelPacket
2065             pixel;
2066
2067           GetMagickPixelPacket(image,&pixel);
2068           fx_info=AcquireFxInfo(image,property+6);
2069           status=FxEvaluateChannelExpression(fx_info,RedChannel,0,0,&alpha,
2070             exception);
2071           pixel.red=(MagickRealType) QuantumRange*alpha;
2072           status|=FxEvaluateChannelExpression(fx_info,GreenChannel,0,0,&alpha,
2073             exception);
2074           pixel.green=(MagickRealType) QuantumRange*alpha;
2075           status|=FxEvaluateChannelExpression(fx_info,BlueChannel,0,0,&alpha,
2076             exception);
2077           pixel.blue=(MagickRealType) QuantumRange*alpha;
2078           status|=FxEvaluateChannelExpression(fx_info,OpacityChannel,0,0,&alpha,
2079             exception);
2080           pixel.opacity=(MagickRealType) QuantumRange*(1.0-alpha);
2081           if (image->colorspace == CMYKColorspace)
2082             {
2083               status|=FxEvaluateChannelExpression(fx_info,BlackChannel,0,0,
2084                 &alpha,exception);
2085               pixel.index=(MagickRealType) QuantumRange*alpha;
2086             }
2087           fx_info=DestroyFxInfo(fx_info);
2088           if (status != MagickFalse)
2089             {
2090               char
2091                 name[MaxTextExtent];
2092
2093               (void) QueryMagickColorname(image,&pixel,SVGCompliance,name,
2094                 exception);
2095               (void) SetImageProperty((Image *) image,property,name);
2096               return(GetImageProperty(image,property));
2097             }
2098         }
2099       break;
2100     }
2101     case 'X':
2102     case 'x':
2103     {
2104       if (LocaleNCompare("xmp:",property,4) == 0)
2105         {
2106           if (GetXMPProperty(image,property) != MagickFalse)
2107             {
2108               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2109                 image->properties,property);
2110               return(p);
2111             }
2112         }
2113       break;
2114     }
2115   }
2116   return(p);
2117 }
2118 \f
2119 /*
2120 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2121 %                                                                             %
2122 %                                                                             %
2123 %                                                                             %
2124 +   G e t M a g i c k P r o p e r t y                                         %
2125 %                                                                             %
2126 %                                                                             %
2127 %                                                                             %
2128 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2129 %
2130 %  GetMagickProperty() gets a value associated with an image property.
2131 %
2132 %  The format of the GetMagickProperty method is:
2133 %
2134 %      const char *GetMagickProperty(const ImageInfo *image_info,
2135 %        Image *image,const char *key)
2136 %
2137 %  A description of each parameter follows:
2138 %
2139 %    o image_info: the image info.
2140 %
2141 %    o image: the image.
2142 %
2143 %    o key: the key.
2144 %
2145 */
2146 MagickExport const char *GetMagickProperty(const ImageInfo *image_info,
2147   Image *image,const char *property)
2148 {
2149   char
2150     value[MaxTextExtent],
2151     filename[MaxTextExtent];
2152
2153   *value='\0';
2154   switch (*property)
2155   {
2156     case 'b':
2157     {
2158       if (LocaleNCompare("base",property,4) == 0)
2159         {
2160           GetPathComponent(image->magick_filename,BasePath,filename);
2161           (void) CopyMagickString(value,filename,MaxTextExtent);
2162           break;
2163         }
2164       break;
2165     }
2166     case 'c':
2167     {
2168       if (LocaleNCompare("channels",property,8) == 0)
2169         {
2170           /*
2171             Image channels.
2172           */
2173           (void) FormatMagickString(value,MaxTextExtent,"%s",
2174             MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2175             image->colorspace));
2176           LocaleLower(value);
2177           if (image->matte != MagickFalse)
2178             (void) ConcatenateMagickString(value,"a",MaxTextExtent);
2179           break;
2180         }
2181       if (LocaleNCompare("colorspace",property,10) == 0)
2182         {
2183           ColorspaceType
2184             colorspace;
2185
2186           /*
2187             Image storage class and colorspace.
2188           */
2189           colorspace=image->colorspace;
2190           if (IsGrayImage(image,&image->exception) != MagickFalse)
2191             colorspace=GRAYColorspace;
2192           (void) FormatMagickString(value,MaxTextExtent,"%s",
2193             MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2194             colorspace));
2195           break;
2196         }
2197       if (LocaleNCompare("copyright",property,9) == 0)
2198         {
2199           (void) CopyMagickString(value,GetMagickCopyright(),MaxTextExtent);
2200           break;
2201         }
2202       break;
2203     }
2204     case 'd':
2205     {
2206       if (LocaleNCompare("depth",property,5) == 0)
2207         {
2208           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2209             image->depth);
2210           break;
2211         }
2212       if (LocaleNCompare("directory",property,9) == 0)
2213         {
2214           GetPathComponent(image->magick_filename,HeadPath,filename);
2215           (void) CopyMagickString(value,filename,MaxTextExtent);
2216           break;
2217         }
2218       break;
2219     }
2220     case 'e':
2221     {
2222       if (LocaleNCompare("extension",property,9) == 0)
2223         {
2224           GetPathComponent(image->magick_filename,ExtensionPath,filename);
2225           (void) CopyMagickString(value,filename,MaxTextExtent);
2226           break;
2227         }
2228       break;
2229     }
2230     case 'g':
2231     {
2232       if (LocaleNCompare("group",property,5) == 0)
2233         {
2234           (void) FormatMagickString(value,MaxTextExtent,"0x%lx",
2235             (unsigned long) image_info->group);
2236           break;
2237         }
2238       break;
2239     }
2240     case 'h':
2241     {
2242       if (LocaleNCompare("height",property,6) == 0)
2243         {
2244           (void) FormatMagickString(value,MaxTextExtent,"%.20g",
2245             image->magick_rows != 0 ? (double) image->magick_rows : 256.0);
2246           break;
2247         }
2248       break;
2249     }
2250     case 'i':
2251     {
2252       if (LocaleNCompare("input",property,5) == 0)
2253         {
2254           (void) CopyMagickString(value,image->filename,MaxTextExtent);
2255           break;
2256         }
2257       break;
2258     }
2259     case 'k':
2260     {
2261       if (LocaleNCompare("kurtosis",property,8) == 0)
2262         {
2263           double
2264             kurtosis,
2265             skewness;
2266
2267           (void) GetImageChannelKurtosis(image,image_info->channel,&kurtosis,
2268             &skewness,&image->exception);
2269           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2270             GetMagickPrecision(),kurtosis);
2271           break;
2272         }
2273       break;
2274     }
2275     case 'm':
2276     {
2277       if (LocaleNCompare("magick",property,6) == 0)
2278         {
2279           (void) CopyMagickString(value,image->magick,MaxTextExtent);
2280           break;
2281         }
2282       if (LocaleNCompare("max",property,3) == 0)
2283         {
2284           double
2285             maximum,
2286             minimum;
2287
2288           (void) GetImageChannelRange(image,image_info->channel,&minimum,
2289             &maximum,&image->exception);
2290           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2291             GetMagickPrecision(),maximum);
2292           break;
2293         }
2294       if (LocaleNCompare("mean",property,4) == 0)
2295         {
2296           double
2297             mean,
2298             standard_deviation;
2299
2300           (void) GetImageChannelMean(image,image_info->channel,&mean,
2301             &standard_deviation,&image->exception);
2302           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2303             GetMagickPrecision(),mean);
2304           break;
2305         }
2306       if (LocaleNCompare("min",property,3) == 0)
2307         {
2308           double
2309             maximum,
2310             minimum;
2311
2312           (void) GetImageChannelRange(image,image_info->channel,&minimum,
2313             &maximum,&image->exception);
2314           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2315             GetMagickPrecision(),minimum);
2316           break;
2317         }
2318       break;
2319     }
2320     case 'n':
2321     {
2322       if (LocaleNCompare("name",property,4) == 0)
2323         {
2324           (void) CopyMagickString(value,filename,MaxTextExtent);
2325           break;
2326         }
2327      break;
2328     }
2329     case 'o':
2330     {
2331       if (LocaleNCompare("output",property,6) == 0)
2332         {
2333           (void) CopyMagickString(value,image_info->filename,MaxTextExtent);
2334           break;
2335         }
2336      break;
2337     }
2338     case 'p':
2339     {
2340       if (LocaleNCompare("page",property,4) == 0)
2341         {
2342           register const Image
2343             *p;
2344
2345           size_t
2346             page;
2347
2348           p=image;
2349           for (page=1; GetPreviousImageInList(p) != (Image *) NULL; page++)
2350             p=GetPreviousImageInList(p);
2351           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2352             page);
2353           break;
2354         }
2355       break;
2356     }
2357     case 's':
2358     {
2359       if (LocaleNCompare("size",property,4) == 0)
2360         {
2361           char
2362             format[MaxTextExtent];
2363
2364           (void) FormatMagickSize(GetBlobSize(image),MagickFalse,format);
2365           (void) FormatMagickString(value,MaxTextExtent,"%sB",format);
2366           break;
2367         }
2368       if (LocaleNCompare("scenes",property,6) == 0)
2369         {
2370           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2371             GetImageListLength(image));
2372           break;
2373         }
2374       if (LocaleNCompare("scene",property,5) == 0)
2375         {
2376           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2377             image->scene);
2378           if (image_info->number_scenes != 0)
2379             (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2380               image_info->scene);
2381           break;
2382         }
2383       if (LocaleNCompare("skewness",property,8) == 0)
2384         {
2385           double
2386             kurtosis,
2387             skewness;
2388
2389           (void) GetImageChannelKurtosis(image,image_info->channel,&kurtosis,
2390             &skewness,&image->exception);
2391           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2392             GetMagickPrecision(),skewness);
2393           break;
2394         }
2395       if ((LocaleNCompare("standard-deviation",property,18) == 0) ||
2396           (LocaleNCompare("standard_deviation",property,18) == 0))
2397         {
2398           double
2399             mean,
2400             standard_deviation;
2401
2402           (void) GetImageChannelMean(image,image_info->channel,&mean,
2403             &standard_deviation,&image->exception);
2404           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2405             GetMagickPrecision(),standard_deviation);
2406           break;
2407         }
2408        break;
2409     }
2410     case 'u':
2411     {
2412       if (LocaleNCompare("unique",property,6) == 0)
2413         {
2414           (void) CopyMagickString(filename,image_info->unique,MaxTextExtent);
2415           (void) CopyMagickString(value,filename,MaxTextExtent);
2416           break;
2417         }
2418       break;
2419     }
2420     case 'v':
2421     {
2422       if (LocaleNCompare("version",property,7) == 0)
2423         {
2424           (void) CopyMagickString(value,GetMagickVersion((size_t *) NULL),
2425             MaxTextExtent);
2426           break;
2427         }
2428       break;
2429     }
2430     case 'w':
2431     {
2432       if (LocaleNCompare("width",property,5) == 0)
2433         {
2434           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2435             (image->magick_columns != 0 ? image->magick_columns : 256));
2436           break;
2437         }
2438       break;
2439     }
2440     case 'x':
2441     {
2442       if (LocaleNCompare("xresolution",property,11) == 0)
2443         {
2444           (void) FormatMagickString(value,MaxTextExtent,"%g",
2445             image->x_resolution);
2446           break;
2447         }
2448       break;
2449     }
2450     case 'y':
2451     {
2452       if (LocaleNCompare("yresolution",property,11) == 0)
2453         {
2454           (void) FormatMagickString(value,MaxTextExtent,"%g",
2455             image->y_resolution);
2456           break;
2457         }
2458       break;
2459     }
2460     case 'z':
2461     {
2462       if (LocaleNCompare("zero",property,4) == 0)
2463         {
2464           (void) CopyMagickString(filename,image_info->zero,MaxTextExtent);
2465           (void) CopyMagickString(value,filename,MaxTextExtent);
2466           break;
2467         }
2468       break;
2469     }
2470   }
2471   if (*value != '\0')
2472    {
2473      if (image->properties == (void *) NULL)
2474        image->properties=NewSplayTree(CompareSplayTreeString,
2475          RelinquishMagickMemory,RelinquishMagickMemory);
2476      (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
2477        ConstantString(property),ConstantString(value));
2478    }
2479   return(GetImageProperty(image,property));
2480 }
2481 \f
2482 /*
2483 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2484 %                                                                             %
2485 %                                                                             %
2486 %                                                                             %
2487 %   G e t N e x t I m a g e P r o p e r t y                                   %
2488 %                                                                             %
2489 %                                                                             %
2490 %                                                                             %
2491 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2492 %
2493 %  GetNextImageProperty() gets the next image property value.
2494 %
2495 %  The format of the GetNextImageProperty method is:
2496 %
2497 %      char *GetNextImageProperty(const Image *image)
2498 %
2499 %  A description of each parameter follows:
2500 %
2501 %    o image: the image.
2502 %
2503 */
2504 MagickExport char *GetNextImageProperty(const Image *image)
2505 {
2506   assert(image != (Image *) NULL);
2507   assert(image->signature == MagickSignature);
2508   if (image->debug != MagickFalse)
2509     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2510       image->filename);
2511   if (image->properties == (void *) NULL)
2512     return((char *) NULL);
2513   return((char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->properties));
2514 }
2515 \f
2516 /*
2517 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2518 %                                                                             %
2519 %                                                                             %
2520 %                                                                             %
2521 %   I n t e r p r e t I m a g e P r o p e r t i e s                           %
2522 %                                                                             %
2523 %                                                                             %
2524 %                                                                             %
2525 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2526 %
2527 %  InterpretImageProperties() replaces any embedded formatting characters with
2528 %  the appropriate image property and returns the interpretted text.
2529 %
2530 %  The format of the InterpretImageProperties method is:
2531 %
2532 %      char *InterpretImageProperties(const ImageInfo *image_info,Image *image,
2533 %        const char *embed_text)
2534 %
2535 %  A description of each parameter follows:
2536 %
2537 %    o image_info: the image info.
2538 %
2539 %    o image: the image.
2540 %
2541 %    o embed_text: the address of a character string containing the embedded
2542 %      formatting characters.
2543 %
2544 */
2545 MagickExport char *InterpretImageProperties(const ImageInfo *image_info,
2546   Image *image,const char *embed_text)
2547 {
2548   char
2549     filename[MaxTextExtent],
2550     *interpret_text,
2551     *text;
2552
2553   const char
2554     *value;
2555
2556   ImageInfo
2557     *text_info;
2558
2559   register char
2560     *q;
2561
2562   register const char
2563     *p;
2564
2565   register ssize_t
2566     i;
2567
2568   size_t
2569     extent,
2570     length;
2571
2572   assert(image != (Image *) NULL);
2573   assert(image->signature == MagickSignature);
2574   if (image->debug != MagickFalse)
2575     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2576   if ((embed_text == (const char *) NULL) || (*embed_text == '\0'))
2577     return((char *) NULL);
2578   text=(char *) embed_text;
2579   if ((*text == '@') && ((*(text+1) == '-') ||
2580       (IsPathAccessible(text+1) != MagickFalse)))
2581     return(FileToString(embed_text+1,~0,&image->exception));
2582   /*
2583     Translate any embedded format characters.
2584   */
2585   text_info=CloneImageInfo(image_info);
2586   interpret_text=AcquireString(text);
2587   extent=MaxTextExtent;
2588   p=text;
2589   for (q=interpret_text; *p != '\0'; p++)
2590   {
2591     *q='\0';
2592     if ((size_t) (q-interpret_text+MaxTextExtent) >= extent)
2593       {
2594         extent+=MaxTextExtent;
2595         interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+
2596           MaxTextExtent+1,sizeof(*interpret_text));
2597         if (interpret_text == (char *) NULL)
2598           break;
2599         q=interpret_text+strlen(interpret_text);
2600       }
2601     /*
2602       Process formatting characters in text.
2603     */
2604     if ((*p == '\\') && (*(p+1) == 'r'))
2605       {
2606         *q++='\r';
2607         p++;
2608         continue;
2609       }
2610     if ((*p == '\\') && (*(p+1) == 'n'))
2611       {
2612         *q++='\n';
2613         p++;
2614         continue;
2615       }
2616     if (*p == '\\')
2617       {
2618         p++;
2619         *q++=(*p);
2620         continue;
2621       }
2622     if (*p != '%')
2623       {
2624         *q++=(*p);
2625         continue;
2626       }
2627     p++;
2628     switch (*p)
2629     {
2630       case 'b':
2631       {
2632         char
2633           format[MaxTextExtent];
2634
2635         /*
2636           File size.
2637         */
2638         (void) FormatMagickString(format,MaxTextExtent,"%.20g",(double)
2639           image->extent);
2640         if (image->extent != (MagickSizeType) ((size_t) image->extent))
2641           (void) FormatMagickSize(image->extent,MagickFalse,format);
2642         q+=ConcatenateMagickString(q,format,extent);
2643         q+=ConcatenateMagickString(q,"B",extent);
2644         break;
2645       }
2646       case 'c':
2647       {
2648         /*
2649           Image comment.
2650         */
2651         value=GetImageProperty(image,"comment");
2652         if (value == (const char *) NULL)
2653           break;
2654         length=strlen(value);
2655         if ((size_t) (q-interpret_text+length+1) >= extent)
2656           {
2657             extent+=length;
2658             interpret_text=(char *) ResizeQuantumMemory(interpret_text,
2659               extent+MaxTextExtent,sizeof(*interpret_text));
2660             if (interpret_text == (char *) NULL)
2661               break;
2662             q=interpret_text+strlen(interpret_text);
2663           }
2664         (void) CopyMagickString(q,value,extent);
2665         q+=length;
2666         break;
2667       }
2668       case 'd':
2669       case 'e':
2670       case 'f':
2671       case 't':
2672       {
2673         /*
2674           Label segment is the base of the filename.
2675         */
2676         if (*image->magick_filename == '\0')
2677           break;
2678         switch (*p)
2679         {
2680           case 'd':
2681           {
2682             /*
2683               Directory.
2684             */
2685             GetPathComponent(image->magick_filename,HeadPath,filename);
2686             q+=CopyMagickString(q,filename,extent);
2687             break;
2688           }
2689           case 'e':
2690           {
2691             /*
2692               Filename extension.
2693             */
2694             GetPathComponent(image->magick_filename,ExtensionPath,filename);
2695             q+=CopyMagickString(q,filename,extent);
2696             break;
2697           }
2698           case 'f':
2699           {
2700             /*
2701               Filename.
2702             */
2703             GetPathComponent(image->magick_filename,TailPath,filename);
2704             q+=CopyMagickString(q,filename,extent);
2705             break;
2706           }
2707           case 't':
2708           {
2709             /*
2710               Base filename.
2711             */
2712             GetPathComponent(image->magick_filename,BasePath,filename);
2713             q+=CopyMagickString(q,filename,extent);
2714             break;
2715           }
2716         }
2717         break;
2718       }
2719       case 'g':
2720       {
2721         /*
2722           Image geometry.
2723         */
2724         q+=FormatMagickString(q,extent,"%.20gx%.20g%+.20g%+.20g",(double)
2725           image->page.width,(double) image->page.height,(double)
2726           image->page.x,(double) image->page.y);
2727         break;
2728       }
2729       case 'h':
2730       {
2731         /*
2732           Image height.
2733         */
2734         q+=FormatMagickString(q,extent,"%.20g",(double)
2735           (image->rows != 0 ? image->rows : image->magick_rows));
2736         break;
2737       }
2738       case 'i':
2739       {
2740         /*
2741           Image filename.
2742         */
2743         q+=CopyMagickString(q,image->filename,extent);
2744         break;
2745       }
2746       case 'k':
2747       {
2748         /*
2749           Number of unique colors.
2750         */
2751         q+=FormatMagickString(q,extent,"%.20g",(double)
2752           GetNumberColors(image,(FILE *) NULL,&image->exception));
2753         break;
2754       }
2755       case 'l':
2756       {
2757         /*
2758           Image label.
2759         */
2760         value=GetImageProperty(image,"label");
2761         if (value == (const char *) NULL)
2762           break;
2763         length=strlen(value);
2764         if ((size_t) (q-interpret_text+length+1) >= extent)
2765           {
2766             extent+=length;
2767             interpret_text=(char *) ResizeQuantumMemory(interpret_text,
2768               extent+MaxTextExtent,sizeof(*interpret_text));
2769             if (interpret_text == (char *) NULL)
2770               break;
2771             q=interpret_text+strlen(interpret_text);
2772           }
2773         q+=CopyMagickString(q,value,extent);
2774         break;
2775       }
2776       case 'm':
2777       {
2778         /*
2779           Image format.
2780         */
2781         q+=CopyMagickString(q,image->magick,extent);
2782         break;
2783       }
2784       case 'M':
2785       {
2786         /*
2787           Image magick filename.
2788         */
2789         q+=CopyMagickString(q,image->magick_filename,extent);
2790         break;
2791       }
2792       case 'n':
2793       {
2794         /*
2795           Number of images in the list.
2796         */
2797         q+=FormatMagickString(q,extent,"%.20g",(double)
2798           GetImageListLength(image));
2799         break;
2800       }
2801       case 'o':
2802       {
2803         /*
2804           Image output filename.
2805         */
2806         q+=CopyMagickString(q,text_info->filename,extent);
2807         break;
2808       }
2809       case 'p':
2810       {
2811         register const Image
2812           *p;
2813
2814         size_t
2815           page;
2816
2817         /*
2818           Image page number.
2819         */
2820         p=image;
2821         for (page=1; GetPreviousImageInList(p) != (Image *) NULL; page++)
2822           p=GetPreviousImageInList(p);
2823         q+=FormatMagickString(q,extent,"%.20g",(double) page);
2824         break;
2825       }
2826       case 'q':
2827       {
2828         /*
2829           Image depth.
2830         */
2831         q+=FormatMagickString(q,extent,"%.20g",(double)
2832           MAGICKCORE_QUANTUM_DEPTH);
2833         break;
2834       }
2835       case 'r':
2836       {
2837         ColorspaceType
2838           colorspace;
2839
2840         /*
2841           Image storage class and colorspace.
2842         */
2843         colorspace=image->colorspace;
2844         if (IsGrayImage(image,&image->exception) != MagickFalse)
2845           colorspace=GRAYColorspace;
2846         q+=FormatMagickString(q,extent,"%s%s%s",MagickOptionToMnemonic(
2847           MagickClassOptions,(ssize_t) image->storage_class),
2848           MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t) colorspace),
2849           image->matte != MagickFalse ? "Matte" : "");
2850         break;
2851       }
2852       case 's':
2853       {
2854         /*
2855           Image scene number.
2856         */
2857         if (text_info->number_scenes == 0)
2858           q+=FormatMagickString(q,extent,"%.20g",(double) image->scene);
2859         else
2860           q+=FormatMagickString(q,extent,"%.20g",(double) text_info->scene);
2861         break;
2862       }
2863       case 'u':
2864       {
2865         /*
2866           Unique filename.
2867         */
2868         (void) CopyMagickString(filename,text_info->unique,extent);
2869         q+=CopyMagickString(q,filename,extent);
2870         break;
2871       }
2872       case 'w':
2873       {
2874         /*
2875           Image width.
2876         */
2877         q+=FormatMagickString(q,extent,"%.20g",(double)
2878           (image->columns != 0 ? image->columns : image->magick_columns));
2879         break;
2880       }
2881       case 'x':
2882       {
2883         /*
2884           Image horizontal resolution.
2885         */
2886         q+=FormatMagickString(q,extent,"%g %s",image->x_resolution,
2887           MagickOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2888             image->units));
2889         break;
2890       }
2891       case 'y':
2892       {
2893         /*
2894           Image vertical resolution.
2895         */
2896         q+=FormatMagickString(q,extent,"%g %s",image->y_resolution,
2897           MagickOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2898           image->units));
2899         break;
2900       }
2901       case 'z':
2902       {
2903         /*
2904           Image depth.
2905         */
2906         q+=FormatMagickString(q,extent,"%.20g",(double) image->depth);
2907         break;
2908       }
2909       case 'A':
2910       {
2911         /*
2912           Image alpha channel.
2913         */
2914         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2915           MagickBooleanOptions,(ssize_t) image->matte));
2916         break;
2917       }
2918       case 'C':
2919       {
2920         /*
2921           Image compression method.
2922         */
2923         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2924           MagickCompressOptions,(ssize_t) image->compression));
2925         break;
2926       }
2927       case 'D':
2928       {
2929         /*
2930           Image dispose method.
2931         */
2932         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2933           MagickDisposeOptions,(ssize_t) image->dispose));
2934         break;
2935       }
2936       case 'G':
2937       {
2938         q+=FormatMagickString(q,extent,"%.20gx%.20g",(double)
2939           image->magick_columns,(double) image->magick_rows);
2940         break;
2941       }
2942       case 'H':
2943       {
2944         q+=FormatMagickString(q,extent,"%.20g",(double)
2945           image->page.height);
2946         break;
2947       }
2948       case 'O':
2949       {
2950         q+=FormatMagickString(q,extent,"%+ld%+ld",(long) image->page.x,
2951           (long) image->page.y);
2952         break;
2953       }
2954       case 'P':
2955       {
2956         q+=FormatMagickString(q,extent,"%.20gx%.20g",(double) image->page.width,
2957           (double) image->page.height);
2958         break;
2959       }
2960       case 'Q':
2961       {
2962         q+=FormatMagickString(q,extent,"%.20g",(double) image->quality);
2963         break;
2964       }
2965       case 'S':
2966       {
2967         /*
2968           Image scenes.
2969         */
2970         if (text_info->number_scenes == 0)
2971           q+=CopyMagickString(q,"2147483647",extent);
2972         else
2973           q+=FormatMagickString(q,extent,"%.20g",(double)
2974             (text_info->scene+text_info->number_scenes));
2975         break;
2976       }
2977       case 'T':
2978       {
2979         q+=FormatMagickString(q,extent,"%.20g",(double) image->delay);
2980         break;
2981       }
2982       case 'W':
2983       {
2984         q+=FormatMagickString(q,extent,"%.20g",(double) image->page.width);
2985         break;
2986       }
2987       case 'X':
2988       {
2989         q+=FormatMagickString(q,extent,"%+.20g",(double) image->page.x);
2990         break;
2991       }
2992       case 'Y':
2993       {
2994         q+=FormatMagickString(q,extent,"%+.20g",(double) image->page.y);
2995         break;
2996       }
2997       case 'Z':
2998       {
2999         /*
3000           Unique filename.
3001         */
3002         (void) CopyMagickString(filename,text_info->zero,extent);
3003         q+=CopyMagickString(q,filename,extent);
3004         break;
3005       }
3006       case '[':
3007       {
3008         char
3009           pattern[MaxTextExtent];
3010
3011         const char
3012           *key,
3013           *value;
3014
3015         ssize_t
3016           depth;
3017
3018         /*
3019           Image value.
3020         */
3021         if (strchr(p,']') == (char *) NULL)
3022           break;
3023         depth=1;
3024         p++;
3025         for (i=0; (i < (MaxTextExtent-1L)) && (*p != '\0'); i++)
3026         {
3027           if (*p == '[')
3028             depth++;
3029           if (*p == ']')
3030             depth--;
3031           if (depth <= 0)
3032             break;
3033           pattern[i]=(*p++);
3034         }
3035         pattern[i]='\0';
3036         value=GetImageProperty(image,pattern);
3037         if (value != (const char *) NULL)
3038           {
3039             length=strlen(value);
3040             if ((size_t) (q-interpret_text+length+1) >= extent)
3041               {
3042                 extent+=length;
3043                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3044                   extent+MaxTextExtent,sizeof(*interpret_text));
3045                 if (interpret_text == (char *) NULL)
3046                   break;
3047                 q=interpret_text+strlen(interpret_text);
3048               }
3049             (void) CopyMagickString(q,value,extent);
3050             q+=length;
3051             break;
3052           }
3053         else
3054           if (IsGlob(pattern) != MagickFalse)
3055             {
3056               /*
3057                 Iterate over image properties.
3058               */
3059               ResetImagePropertyIterator(image);
3060               key=GetNextImageProperty(image);
3061               while (key != (const char *) NULL)
3062               {
3063                 if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3064                   {
3065                     value=GetImageProperty(image,key);
3066                     if (value != (const char *) NULL)
3067                       {
3068                         length=strlen(key)+strlen(value)+2;
3069                         if ((size_t) (q-interpret_text+length+1) >= extent)
3070                           {
3071                             extent+=length;
3072                             interpret_text=(char *) ResizeQuantumMemory(
3073                               interpret_text,extent+MaxTextExtent,
3074                               sizeof(*interpret_text));
3075                             if (interpret_text == (char *) NULL)
3076                               break;
3077                             q=interpret_text+strlen(interpret_text);
3078                           }
3079                         q+=FormatMagickString(q,extent,"%s=%s\n",key,value);
3080                       }
3081                   }
3082                 key=GetNextImageProperty(image);
3083               }
3084             }
3085         value=GetMagickProperty(text_info,image,pattern);
3086         if (value != (const char *) NULL)
3087           {
3088             length=strlen(value);
3089             if ((size_t) (q-interpret_text+length+1) >= extent)
3090               {
3091                 extent+=length;
3092                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3093                   extent+MaxTextExtent,sizeof(*interpret_text));
3094                 if (interpret_text == (char *) NULL)
3095                   break;
3096                 q=interpret_text+strlen(interpret_text);
3097               }
3098             (void) CopyMagickString(q,value,extent);
3099             q+=length;
3100             break;
3101           }
3102         if (image_info == (ImageInfo *) NULL)
3103           break;
3104         value=GetImageOption(image_info,pattern);
3105         if (value != (char *) NULL)
3106           {
3107             length=strlen(value);
3108             if ((size_t) (q-interpret_text+length+1) >= extent)
3109               {
3110                 extent+=length;
3111                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3112                   extent+MaxTextExtent,sizeof(*interpret_text));
3113                 if (interpret_text == (char *) NULL)
3114                   break;
3115                 q=interpret_text+strlen(interpret_text);
3116               }
3117             (void) CopyMagickString(q,value,extent);
3118             q+=length;
3119             break;
3120           }
3121         break;
3122       }
3123       case '@':
3124       {
3125         RectangleInfo
3126           page;
3127
3128         /*
3129           Image bounding box.
3130         */
3131         page=GetImageBoundingBox(image,&image->exception);
3132         q+=FormatMagickString(q,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
3133           (double) page.width,(double) page.height,(double) page.x,(double)
3134           page.y);
3135         break;
3136       }
3137       case '#':
3138       {
3139         /*
3140           Image signature.
3141         */
3142         (void) SignatureImage(image);
3143         value=GetImageProperty(image,"signature");
3144         if (value == (const char *) NULL)
3145           break;
3146         q+=CopyMagickString(q,value,extent);
3147         break;
3148       }
3149       case '%':
3150       {
3151         *q++=(*p);
3152         break;
3153       }
3154       default:
3155       {
3156         *q++='%';
3157         *q++=(*p);
3158         break;
3159       }
3160     }
3161   }
3162   *q='\0';
3163   text_info=DestroyImageInfo(text_info);
3164   if (text != (const char *) embed_text)
3165     text=DestroyString(text);
3166   (void) SubstituteString(&interpret_text,"&lt;","<");
3167   (void) SubstituteString(&interpret_text,"&gt;",">");
3168   return(interpret_text);
3169 }
3170 \f
3171 /*
3172 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3173 %                                                                             %
3174 %                                                                             %
3175 %                                                                             %
3176 %   R e m o v e I m a g e P r o p e r t y                                     %
3177 %                                                                             %
3178 %                                                                             %
3179 %                                                                             %
3180 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3181 %
3182 %  RemoveImageProperty() removes a property from the image and returns its
3183 %  value.
3184 %
3185 %  The format of the RemoveImageProperty method is:
3186 %
3187 %      char *RemoveImageProperty(Image *image,const char *property)
3188 %
3189 %  A description of each parameter follows:
3190 %
3191 %    o image: the image.
3192 %
3193 %    o property: the image property.
3194 %
3195 */
3196 MagickExport char *RemoveImageProperty(Image *image,
3197   const char *property)
3198 {
3199   char
3200     *value;
3201
3202   assert(image != (Image *) NULL);
3203   assert(image->signature == MagickSignature);
3204   if (image->debug != MagickFalse)
3205     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3206       image->filename);
3207   if (image->properties == (void *) NULL)
3208     return((char *) NULL);
3209   value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->properties,
3210     property);
3211   return(value);
3212 }
3213 \f
3214 /*
3215 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3216 %                                                                             %
3217 %                                                                             %
3218 %                                                                             %
3219 %   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                       %
3220 %                                                                             %
3221 %                                                                             %
3222 %                                                                             %
3223 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3224 %
3225 %  ResetImagePropertyIterator() resets the image properties iterator.  Use it
3226 %  in conjunction with GetNextImageProperty() to iterate over all the values
3227 %  associated with an image property.
3228 %
3229 %  The format of the ResetImagePropertyIterator method is:
3230 %
3231 %      ResetImagePropertyIterator(Image *image)
3232 %
3233 %  A description of each parameter follows:
3234 %
3235 %    o image: the image.
3236 %
3237 */
3238 MagickExport void ResetImagePropertyIterator(const Image *image)
3239 {
3240   assert(image != (Image *) NULL);
3241   assert(image->signature == MagickSignature);
3242   if (image->debug != MagickFalse)
3243     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3244       image->filename);
3245   if (image->properties == (void *) NULL)
3246     return;
3247   ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
3248 }
3249 \f
3250 /*
3251 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3252 %                                                                             %
3253 %                                                                             %
3254 %                                                                             %
3255 %   S e t I m a g e P r o p e r t y                                           %
3256 %                                                                             %
3257 %                                                                             %
3258 %                                                                             %
3259 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3260 %
3261 %  SetImageProperty() associates an value with an image property.
3262 %
3263 %  The format of the SetImageProperty method is:
3264 %
3265 %      MagickBooleanType SetImageProperty(Image *image,const char *property,
3266 %        const char *value)
3267 %
3268 %  A description of each parameter follows:
3269 %
3270 %    o image: the image.
3271 %
3272 %    o property: the image property.
3273 %
3274 %    o values: the image property values.
3275 %
3276 */
3277 MagickExport MagickBooleanType SetImageProperty(Image *image,
3278   const char *property,const char *value)
3279 {
3280   ExceptionInfo
3281     *exception;
3282
3283   MagickBooleanType
3284     status;
3285
3286   MagickStatusType
3287     flags;
3288
3289   assert(image != (Image *) NULL);
3290   assert(image->signature == MagickSignature);
3291   if (image->debug != MagickFalse)
3292     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3293       image->filename);
3294   if (image->properties == (void *) NULL)
3295     image->properties=NewSplayTree(CompareSplayTreeString,
3296       RelinquishMagickMemory,RelinquishMagickMemory);
3297   if ((value == (const char *) NULL) || (*value == '\0'))
3298     return(DeleteImageProperty(image,property));
3299   status=MagickTrue;
3300   exception=(&image->exception);
3301   switch (*property)
3302   {
3303     case 'B':
3304     case 'b':
3305     {
3306       if (LocaleCompare(property,"background") == 0)
3307         {
3308           (void) QueryColorDatabase(value,&image->background_color,exception);
3309           break;
3310         }
3311       if (LocaleCompare(property,"bias") == 0)
3312         {
3313           image->bias=SiPrefixToDouble(value,QuantumRange);
3314           break;
3315         }
3316       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3317         ConstantString(property),ConstantString(value));
3318       break;
3319     }
3320     case 'C':
3321     case 'c':
3322     {
3323       if (LocaleCompare(property,"colorspace") == 0)
3324         {
3325           ssize_t
3326             colorspace;
3327
3328           colorspace=ParseMagickOption(MagickColorspaceOptions,MagickFalse,
3329             value);
3330           if (colorspace < 0)
3331             break;
3332           (void) SetImageColorspace(image,(ColorspaceType) colorspace);
3333           break;
3334         }
3335       if (LocaleCompare(property,"compose") == 0)
3336         {
3337           ssize_t
3338             compose;
3339
3340           compose=ParseMagickOption(MagickComposeOptions,MagickFalse,value);
3341           if (compose < 0)
3342             break;
3343           image->compose=(CompositeOperator) compose;
3344           break;
3345         }
3346       if (LocaleCompare(property,"compress") == 0)
3347         {
3348           ssize_t
3349             compression;
3350
3351           compression=ParseMagickOption(MagickCompressOptions,MagickFalse,
3352             value);
3353           if (compression < 0)
3354             break;
3355           image->compression=(CompressionType) compression;
3356           break;
3357         }
3358       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3359         ConstantString(property),ConstantString(value));
3360       break;
3361     }
3362     case 'D':
3363     case 'd':
3364     {
3365       if (LocaleCompare(property,"delay") == 0)
3366         {
3367           GeometryInfo
3368             geometry_info;
3369
3370           flags=ParseGeometry(value,&geometry_info);
3371           if ((flags & GreaterValue) != 0)
3372             {
3373               if (image->delay > (size_t) floor(geometry_info.rho+0.5))
3374                 image->delay=(size_t) floor(geometry_info.rho+0.5);
3375             }
3376           else
3377             if ((flags & LessValue) != 0)
3378               {
3379                 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
3380                   image->ticks_per_second=(ssize_t)
3381                     floor(geometry_info.sigma+0.5);
3382               }
3383             else
3384               image->delay=(size_t) floor(geometry_info.rho+0.5);
3385           if ((flags & SigmaValue) != 0)
3386             image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
3387           break;
3388         }
3389       if (LocaleCompare(property,"density") == 0)
3390         {
3391           GeometryInfo
3392             geometry_info;
3393
3394           flags=ParseGeometry(value,&geometry_info);
3395           image->x_resolution=geometry_info.rho;
3396           image->y_resolution=geometry_info.sigma;
3397           if ((flags & SigmaValue) == 0)
3398             image->y_resolution=image->x_resolution;
3399         }
3400       if (LocaleCompare(property,"depth") == 0)
3401         {
3402           image->depth=StringToUnsignedLong(value);
3403           break;
3404         }
3405       if (LocaleCompare(property,"dispose") == 0)
3406         {
3407           ssize_t
3408             dispose;
3409
3410           dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,value);
3411           if (dispose < 0)
3412             break;
3413           image->dispose=(DisposeType) dispose;
3414           break;
3415         }
3416       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3417         ConstantString(property),ConstantString(value));
3418       break;
3419     }
3420     case 'G':
3421     case 'g':
3422     {
3423       if (LocaleCompare(property,"gravity") == 0)
3424         {
3425           ssize_t
3426             gravity;
3427
3428           gravity=ParseMagickOption(MagickGravityOptions,MagickFalse,value);
3429           if (gravity < 0)
3430             break;
3431           image->gravity=(GravityType) gravity;
3432           break;
3433         }
3434       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3435         ConstantString(property),ConstantString(value));
3436       break;
3437     }
3438     case 'I':
3439     case 'i':
3440     {
3441       if (LocaleCompare(property,"intent") == 0)
3442         {
3443           ssize_t
3444             rendering_intent;
3445
3446           rendering_intent=ParseMagickOption(MagickIntentOptions,MagickFalse,
3447             value);
3448           if (rendering_intent < 0)
3449             break;
3450           image->rendering_intent=(RenderingIntent) rendering_intent;
3451           break;
3452         }
3453       if (LocaleCompare(property,"interpolate") == 0)
3454         {
3455           ssize_t
3456             interpolate;
3457
3458           interpolate=ParseMagickOption(MagickInterpolateOptions,MagickFalse,
3459             value);
3460           if (interpolate < 0)
3461             break;
3462           image->interpolate=(InterpolatePixelMethod) interpolate;
3463           break;
3464         }
3465       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3466         ConstantString(property),ConstantString(value));
3467       break;
3468     }
3469     case 'L':
3470     case 'l':
3471     {
3472       if (LocaleCompare(property,"loop") == 0)
3473         {
3474           image->iterations=StringToUnsignedLong(value);
3475           break;
3476         }
3477       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3478         ConstantString(property),ConstantString(value));
3479       break;
3480     }
3481     case 'P':
3482     case 'p':
3483     {
3484       if (LocaleCompare(property,"page") == 0)
3485         {
3486           char
3487             *geometry;
3488
3489           geometry=GetPageGeometry(value);
3490           flags=ParseAbsoluteGeometry(geometry,&image->page);
3491           geometry=DestroyString(geometry);
3492           break;
3493         }
3494       if (LocaleCompare(property,"profile") == 0)
3495         {
3496           ImageInfo
3497             *image_info;
3498
3499           StringInfo
3500             *profile;
3501
3502           image_info=AcquireImageInfo();
3503           (void) CopyMagickString(image_info->filename,value,MaxTextExtent);
3504           (void) SetImageInfo(image_info,1,exception);
3505           profile=FileToStringInfo(image_info->filename,~0UL,exception);
3506           if (profile != (StringInfo *) NULL)
3507             status=SetImageProfile(image,image_info->magick,profile);
3508           image_info=DestroyImageInfo(image_info);
3509           break;
3510         }
3511       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3512         ConstantString(property),ConstantString(value));
3513       break;
3514     }
3515     case 'R':
3516     case 'r':
3517     {
3518       if (LocaleCompare(property,"rendering-intent") == 0)
3519         {
3520           ssize_t
3521             rendering_intent;
3522
3523           rendering_intent=ParseMagickOption(MagickIntentOptions,MagickFalse,
3524             value);
3525           if (rendering_intent < 0)
3526             break;
3527           image->rendering_intent=(RenderingIntent) rendering_intent;
3528           break;
3529         }
3530       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3531         ConstantString(property),ConstantString(value));
3532       break;
3533     }
3534     case 'T':
3535     case 't':
3536     {
3537       if (LocaleCompare(property,"tile-offset") == 0)
3538         {
3539           char
3540             *geometry;
3541
3542           geometry=GetPageGeometry(value);
3543           flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
3544           geometry=DestroyString(geometry);
3545           break;
3546         }
3547       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3548         ConstantString(property),ConstantString(value));
3549       break;
3550     }
3551     case 'U':
3552     case 'u':
3553     {
3554       if (LocaleCompare(property,"units") == 0)
3555         {
3556           ssize_t
3557             units;
3558
3559           units=ParseMagickOption(MagickResolutionOptions,MagickFalse,value);
3560           if (units < 0)
3561             break;
3562           image->units=(ResolutionType) units;
3563           break;
3564         }
3565       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3566         ConstantString(property),ConstantString(value));
3567       break;
3568     }
3569     default:
3570     {
3571       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3572         ConstantString(property),ConstantString(value));
3573       break;
3574     }
3575   }
3576   return(status);
3577 }