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 1999-2011 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 property.
 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 are 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=(ssize_t) ((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   MagickBooleanType
1095     status;
1096
1097   register ssize_t
1098     i;
1099
1100   size_t
1101     entry,
1102     length,
1103     number_entries,
1104     tag_offset,
1105     tag;
1106
1107   ssize_t
1108     all,
1109     id,
1110     level,
1111     offset,
1112     tag_value;
1113
1114   static int
1115     tag_bytes[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
1116
1117   /*
1118     If EXIF data exists, then try to parse the request for a tag.
1119   */
1120   profile=GetImageProfile(image,"exif");
1121   if (profile == (StringInfo *) NULL)
1122     return(MagickFalse);
1123   if ((property == (const char *) NULL) || (*property == '\0'))
1124     return(MagickFalse);
1125   while (isspace((int) ((unsigned char) *property)) != 0)
1126     property++;
1127   all=0;
1128   tag=(~0UL);
1129   switch (*(property+5))
1130   {
1131     case '*':
1132     {
1133       /*
1134         Caller has asked for all the tags in the EXIF data.
1135       */
1136       tag=0;
1137       all=1; /* return the data in description=value format */
1138       break;
1139     }
1140     case '!':
1141     {
1142       tag=0;
1143       all=2; /* return the data in tagid=value format */
1144       break;
1145     }
1146     case '#':
1147     case '@':
1148     {
1149       int
1150         c;
1151
1152       size_t
1153         n;
1154
1155       /*
1156         Check for a hex based tag specification first.
1157       */
1158       tag=(*(property+5) == '@') ? 1UL : 0UL;
1159       property+=6;
1160       n=strlen(property);
1161       if (n != 4)
1162         return(MagickFalse);
1163       /*
1164         Parse tag specification as a hex number.
1165       */
1166       n/=4;
1167       do
1168       {
1169         for (i=(ssize_t) n-1L; i >= 0; i--)
1170         {
1171           c=(*property++);
1172           tag<<=4;
1173           if ((c >= '0') && (c <= '9'))
1174             tag|=(c-'0');
1175           else
1176             if ((c >= 'A') && (c <= 'F'))
1177               tag|=(c-('A'-10));
1178             else
1179               if ((c >= 'a') && (c <= 'f'))
1180                 tag|=(c-('a'-10));
1181               else
1182                 return(MagickFalse);
1183         }
1184       } while (*property != '\0');
1185       break;
1186     }
1187     default:
1188     {
1189       /*
1190         Try to match the text with a tag name instead.
1191       */
1192       for (i=0; ; i++)
1193       {
1194         if (EXIFTag[i].tag == 0)
1195           break;
1196         if (LocaleCompare(EXIFTag[i].description,property) == 0)
1197           {
1198             tag=(size_t) EXIFTag[i].tag;
1199             break;
1200           }
1201       }
1202       break;
1203     }
1204   }
1205   if (tag == (~0UL))
1206     return(MagickFalse);
1207   length=GetStringInfoLength(profile);
1208   exif=GetStringInfoDatum(profile);
1209   while (length != 0)
1210   {
1211     if (ReadPropertyByte(&exif,&length) != 0x45)
1212       continue;
1213     if (ReadPropertyByte(&exif,&length) != 0x78)
1214       continue;
1215     if (ReadPropertyByte(&exif,&length) != 0x69)
1216       continue;
1217     if (ReadPropertyByte(&exif,&length) != 0x66)
1218       continue;
1219     if (ReadPropertyByte(&exif,&length) != 0x00)
1220       continue;
1221     if (ReadPropertyByte(&exif,&length) != 0x00)
1222       continue;
1223     break;
1224   }
1225   if (length < 16)
1226     return(MagickFalse);
1227   id=(ssize_t) ReadPropertyShort(LSBEndian,exif);
1228   endian=LSBEndian;
1229   if (id == 0x4949)
1230     endian=LSBEndian;
1231   else
1232     if (id == 0x4D4D)
1233       endian=MSBEndian;
1234     else
1235       return(MagickFalse);
1236   if (ReadPropertyShort(endian,exif+2) != 0x002a)
1237     return(MagickFalse);
1238   /*
1239     This the offset to the first IFD.
1240   */
1241   offset=(ssize_t) ((int) ReadPropertyLong(endian,exif+4));
1242   if ((size_t) offset >= length)
1243     return(MagickFalse);
1244   /*
1245     Set the pointer to the first IFD and follow it were it leads.
1246   */
1247   status=MagickFalse;
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       register unsigned char
1271         *p,
1272         *q;
1273
1274       size_t
1275         format,
1276         number_bytes;
1277
1278       ssize_t
1279         components;
1280
1281       q=(unsigned char *) (directory+2+(12*entry));
1282       tag_value=(ssize_t) (ReadPropertyShort(endian,q)+tag_offset);
1283       format=(size_t) ReadPropertyShort(endian,q+2);
1284       if (format >= (sizeof(tag_bytes)/sizeof(*tag_bytes)))
1285         break;
1286       components=(ssize_t) ((int) ReadPropertyLong(endian,q+4));
1287       number_bytes=(size_t) components*tag_bytes[format];
1288       if (number_bytes <= 4)
1289         p=q+8;
1290       else
1291         {
1292           ssize_t
1293             offset;
1294
1295           /*
1296             The directory entry contains an offset.
1297           */
1298           offset=(ssize_t) ((int) ReadPropertyLong(endian,q+8));
1299           if ((size_t) (offset+number_bytes) > length)
1300             continue;
1301           p=(unsigned char *) (exif+offset);
1302         }
1303       if ((all != 0) || (tag == (size_t) tag_value))
1304         {
1305           char
1306             buffer[MaxTextExtent],
1307             *value;
1308
1309           switch (format)
1310           {
1311             case EXIF_FMT_BYTE:
1312             case EXIF_FMT_UNDEFINED:
1313             {
1314               EXIFMultipleValues(1,"%.20g",(double)
1315                 (*(unsigned char *) p1));
1316               break;
1317             }
1318             case EXIF_FMT_SBYTE:
1319             {
1320               EXIFMultipleValues(1,"%.20g",(double) (*(signed char *) p1));
1321               break;
1322             }
1323             case EXIF_FMT_SSHORT:
1324             {
1325               EXIFMultipleValues(2,"%hd",ReadPropertyShort(endian,p1));
1326               break;
1327             }
1328             case EXIF_FMT_USHORT:
1329             {
1330               EXIFMultipleValues(2,"%hu",ReadPropertyShort(endian,p1));
1331               break;
1332             }
1333             case EXIF_FMT_ULONG:
1334             {
1335               EXIFMultipleValues(4,"%.20g",(double)
1336                 ReadPropertyLong(endian,p1));
1337               break;
1338             }
1339             case EXIF_FMT_SLONG:
1340             {
1341               EXIFMultipleValues(4,"%.20g",(double)
1342                 ReadPropertyLong(endian,p1));
1343               break;
1344             }
1345             case EXIF_FMT_URATIONAL:
1346             {
1347               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1348                 ReadPropertyLong(endian,p1),(double)
1349                 ReadPropertyLong(endian,p1+4));
1350               break;
1351             }
1352             case EXIF_FMT_SRATIONAL:
1353             {
1354               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1355                 ReadPropertyLong(endian,p1),(double)
1356                 ReadPropertyLong(endian,p1+4));
1357               break;
1358             }
1359             case EXIF_FMT_SINGLE:
1360             {
1361               EXIFMultipleValues(4,"%f",(double) *(float *) p1);
1362               break;
1363             }
1364             case EXIF_FMT_DOUBLE:
1365             {
1366               EXIFMultipleValues(8,"%f",*(double *) p1);
1367               break;
1368             }
1369             default:
1370             case EXIF_FMT_STRING:
1371             {
1372               value=(char *) NULL;
1373               if (~(1UL*number_bytes) >= 1)
1374                 value=(char *) AcquireQuantumMemory((size_t) number_bytes+1UL,
1375                   sizeof(*value));
1376               if (value != (char *) NULL)
1377                 {
1378                   register ssize_t
1379                     i;
1380
1381                   for (i=0; i < (ssize_t) number_bytes; i++)
1382                   {
1383                     value[i]='.';
1384                     if ((isprint((int) p[i]) != 0) || (p[i] == '\0'))
1385                       value[i]=(char) p[i];
1386                   }
1387                   value[i]='\0';
1388                 }
1389               break;
1390             }
1391           }
1392           if (value != (char *) NULL)
1393             {
1394               char
1395                 key[MaxTextExtent];
1396
1397               register const char
1398                 *p;
1399
1400               (void) CopyMagickString(key,property,MaxTextExtent);
1401               switch (all)
1402               {
1403                 case 1:
1404                 {
1405                   const char
1406                     *description;
1407
1408                   register ssize_t
1409                     i;
1410
1411                   description="unknown";
1412                   for (i=0; ; i++)
1413                   {
1414                     if (EXIFTag[i].tag == 0)
1415                       break;
1416                     if ((ssize_t) EXIFTag[i].tag == tag_value)
1417                       {
1418                         description=EXIFTag[i].description;
1419                         break;
1420                       }
1421                   }
1422                   (void) FormatMagickString(key,MaxTextExtent,"%s",
1423                     description);
1424                   break;
1425                 }
1426                 case 2:
1427                 {
1428                   if (tag_value < 0x10000)
1429                     (void) FormatMagickString(key,MaxTextExtent,"#%04lx",
1430                       (unsigned long) tag_value);
1431                   else
1432                     if (tag_value < 0x20000)
1433                       (void) FormatMagickString(key,MaxTextExtent,"@%04lx",
1434                         (unsigned long) (tag_value & 0xffff));
1435                     else
1436                       (void) FormatMagickString(key,MaxTextExtent,"unknown");
1437                   break;
1438                 }
1439               }
1440               p=(const char *) NULL;
1441               if (image->properties != (void *) NULL)
1442                 p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
1443                   image->properties,key);
1444               if (p == (const char *) NULL)
1445                 (void) SetImageProperty((Image *) image,key,value);
1446               value=DestroyString(value);
1447               status=MagickTrue;
1448             }
1449         }
1450         if ((tag_value == TAG_EXIF_OFFSET) ||
1451             (tag_value == TAG_INTEROP_OFFSET) ||
1452             (tag_value == TAG_GPS_OFFSET))
1453           {
1454             size_t
1455               offset;
1456
1457             offset=(size_t) ReadPropertyLong(endian,p);
1458             if ((offset < length) && (level < (MaxDirectoryStack-2)))
1459               {
1460                 size_t
1461                   tag_offset1;
1462
1463                 tag_offset1=(tag_value == TAG_GPS_OFFSET) ? 0x10000UL : 0UL;
1464                 directory_stack[level].directory=directory;
1465                 entry++;
1466                 directory_stack[level].entry=entry;
1467                 directory_stack[level].offset=tag_offset;
1468                 level++;
1469                 directory_stack[level].directory=exif+offset;
1470                 directory_stack[level].offset=tag_offset1;
1471                 directory_stack[level].entry=0;
1472                 level++;
1473                 if ((directory+2+(12*number_entries)) > (exif+length))
1474                   break;
1475                 offset=(size_t) ReadPropertyLong(endian,directory+2+(12*
1476                   number_entries));
1477                 if ((offset != 0) && (offset < length) &&
1478                     (level < (MaxDirectoryStack-2)))
1479                   {
1480                     directory_stack[level].directory=exif+offset;
1481                     directory_stack[level].entry=0;
1482                     directory_stack[level].offset=tag_offset1;
1483                     level++;
1484                   }
1485               }
1486             break;
1487           }
1488     }
1489   } while (level > 0);
1490   return(status);
1491 }
1492
1493 static MagickBooleanType GetXMPProperty(const Image *image,
1494   const char *property)
1495 {
1496   char
1497     *xmp_profile;
1498
1499   const StringInfo
1500     *profile;
1501
1502   ExceptionInfo
1503     *exception;
1504
1505   MagickBooleanType
1506     status;
1507
1508   register const char
1509     *p;
1510
1511   XMLTreeInfo
1512     *child,
1513     *description,
1514     *node,
1515     *rdf,
1516     *xmp;
1517
1518   profile=GetImageProfile(image,"xmp");
1519   if (profile == (StringInfo *) NULL)
1520     return(MagickFalse);
1521   if ((property == (const char *) NULL) || (*property == '\0'))
1522     return(MagickFalse);
1523   xmp_profile=StringInfoToString(profile);
1524   if (xmp_profile == (char *) NULL)
1525     return(MagickFalse);
1526   for (p=xmp_profile; *p != '\0'; p++)
1527     if ((*p == '<') && (*(p+1) == 'x'))
1528       break;
1529   exception=AcquireExceptionInfo();
1530   xmp=NewXMLTree((char *) p,exception);
1531   xmp_profile=DestroyString(xmp_profile);
1532   exception=DestroyExceptionInfo(exception);
1533   if (xmp == (XMLTreeInfo *) NULL)
1534     return(MagickFalse);
1535   status=MagickFalse;
1536   rdf=GetXMLTreeChild(xmp,"rdf:RDF");
1537   if (rdf != (XMLTreeInfo *) NULL)
1538     {
1539       if (image->properties == (void *) NULL)
1540         ((Image *) image)->properties=NewSplayTree(CompareSplayTreeString,
1541           RelinquishMagickMemory,RelinquishMagickMemory);
1542       description=GetXMLTreeChild(rdf,"rdf:Description");
1543       while (description != (XMLTreeInfo *) NULL)
1544       {
1545         node=GetXMLTreeChild(description,(const char *) NULL);
1546         while (node != (XMLTreeInfo *) NULL)
1547         {
1548           child=GetXMLTreeChild(node,(const char *) NULL);
1549           if (child == (XMLTreeInfo *) NULL)
1550             (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1551               ConstantString(GetXMLTreeTag(node)),
1552               ConstantString(GetXMLTreeContent(node)));
1553           while (child != (XMLTreeInfo *) NULL)
1554           {
1555             if (LocaleCompare(GetXMLTreeTag(child),"rdf:Seq") != 0)
1556               (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1557                 ConstantString(GetXMLTreeTag(child)),
1558                 ConstantString(GetXMLTreeContent(child)));
1559             child=GetXMLTreeSibling(child);
1560           }
1561           node=GetXMLTreeSibling(node);
1562         }
1563         description=GetNextXMLTreeTag(description);
1564       }
1565     }
1566   xmp=DestroyXMLTree(xmp);
1567   return(status);
1568 }
1569
1570 static char *TracePSClippath(const unsigned char *blob,size_t length,
1571   const size_t magick_unused(columns),
1572   const size_t magick_unused(rows))
1573 {
1574   char
1575     *path,
1576     *message;
1577
1578   MagickBooleanType
1579     in_subpath;
1580
1581   PointInfo
1582     first[3],
1583     last[3],
1584     point[3];
1585
1586   register ssize_t
1587     i,
1588     x;
1589
1590   ssize_t
1591     knot_count,
1592     selector,
1593     y;
1594
1595   path=AcquireString((char *) NULL);
1596   if (path == (char *) NULL)
1597     return((char *) NULL);
1598   message=AcquireString((char *) NULL);
1599   (void) FormatMagickString(message,MaxTextExtent,"/ClipImage\n");
1600   (void) ConcatenateString(&path,message);
1601   (void) FormatMagickString(message,MaxTextExtent,"{\n");
1602   (void) ConcatenateString(&path,message);
1603   (void) FormatMagickString(message,MaxTextExtent,"  /c {curveto} bind def\n");
1604   (void) ConcatenateString(&path,message);
1605   (void) FormatMagickString(message,MaxTextExtent,"  /l {lineto} bind def\n");
1606   (void) ConcatenateString(&path,message);
1607   (void) FormatMagickString(message,MaxTextExtent,"  /m {moveto} bind def\n");
1608   (void) ConcatenateString(&path,message);
1609   (void) FormatMagickString(message,MaxTextExtent,
1610     "  /v {currentpoint 6 2 roll curveto} bind def\n");
1611   (void) ConcatenateString(&path,message);
1612   (void) FormatMagickString(message,MaxTextExtent,
1613     "  /y {2 copy curveto} bind def\n");
1614   (void) ConcatenateString(&path,message);
1615   (void) FormatMagickString(message,MaxTextExtent,
1616     "  /z {closepath} bind def\n");
1617   (void) ConcatenateString(&path,message);
1618   (void) FormatMagickString(message,MaxTextExtent,"  newpath\n");
1619   (void) ConcatenateString(&path,message);
1620   /*
1621     The clipping path format is defined in "Adobe Photoshop File
1622     Formats Specification" version 6.0 downloadable from adobe.com.
1623   */
1624   (void) ResetMagickMemory(point,0,sizeof(point));
1625   (void) ResetMagickMemory(first,0,sizeof(first));
1626   (void) ResetMagickMemory(last,0,sizeof(last));
1627   knot_count=0;
1628   in_subpath=MagickFalse;
1629   while (length > 0)
1630   {
1631     selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1632     switch (selector)
1633     {
1634       case 0:
1635       case 3:
1636       {
1637         if (knot_count != 0)
1638           {
1639             blob+=24;
1640             length-=24;
1641             break;
1642           }
1643         /*
1644           Expected subpath length record.
1645         */
1646         knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1647         blob+=22;
1648         length-=22;
1649         break;
1650       }
1651       case 1:
1652       case 2:
1653       case 4:
1654       case 5:
1655       {
1656         if (knot_count == 0)
1657           {
1658             /*
1659               Unexpected subpath knot
1660             */
1661             blob+=24;
1662             length-=24;
1663             break;
1664           }
1665         /*
1666           Add sub-path knot
1667         */
1668         for (i=0; i < 3; i++)
1669         {
1670           size_t
1671             xx,
1672             yy;
1673
1674           yy=ReadPropertyMSBLong(&blob,&length);
1675           xx=ReadPropertyMSBLong(&blob,&length);
1676           x=(ssize_t) xx;
1677           if (xx > 2147483647)
1678             x=(ssize_t) xx-4294967295-1;
1679           y=(ssize_t) yy;
1680           if (yy > 2147483647)
1681             y=(ssize_t) yy-4294967295-1;
1682           point[i].x=(double) x/4096/4096;
1683           point[i].y=1.0-(double) y/4096/4096;
1684         }
1685         if (in_subpath == MagickFalse)
1686           {
1687             (void) FormatMagickString(message,MaxTextExtent,"  %g %g m\n",
1688               point[1].x,point[1].y);
1689             for (i=0; i < 3; i++)
1690             {
1691               first[i]=point[i];
1692               last[i]=point[i];
1693             }
1694           }
1695         else
1696           {
1697             /*
1698               Handle special cases when Bezier curves are used to describe
1699               corners and straight lines.
1700             */
1701             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1702                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
1703               (void) FormatMagickString(message,MaxTextExtent,
1704                 "  %g %g l\n",point[1].x,point[1].y);
1705             else
1706               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1707                 (void) FormatMagickString(message,MaxTextExtent,
1708                   "  %g %g %g %g v\n",point[0].x,point[0].y,
1709                   point[1].x,point[1].y);
1710               else
1711                 if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
1712                   (void) FormatMagickString(message,MaxTextExtent,
1713                     "  %g %g %g %g y\n",last[2].x,last[2].y,
1714                     point[1].x,point[1].y);
1715                 else
1716                   (void) FormatMagickString(message,MaxTextExtent,
1717                     "  %g %g %g %g %g %g c\n",last[2].x,
1718                     last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
1719             for (i=0; i < 3; i++)
1720               last[i]=point[i];
1721           }
1722         (void) ConcatenateString(&path,message);
1723         in_subpath=MagickTrue;
1724         knot_count--;
1725         /*
1726           Close the subpath if there are no more knots.
1727         */
1728         if (knot_count == 0)
1729           {
1730             /*
1731               Same special handling as above except we compare to the
1732               first point in the path and close the path.
1733             */
1734             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1735                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
1736               (void) FormatMagickString(message,MaxTextExtent,
1737                 "  %g %g l z\n",first[1].x,first[1].y);
1738             else
1739               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1740                 (void) FormatMagickString(message,MaxTextExtent,
1741                   "  %g %g %g %g v z\n",first[0].x,first[0].y,
1742                   first[1].x,first[1].y);
1743               else
1744                 if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
1745                   (void) FormatMagickString(message,MaxTextExtent,
1746                     "  %g %g %g %g y z\n",last[2].x,last[2].y,
1747                     first[1].x,first[1].y);
1748                 else
1749                   (void) FormatMagickString(message,MaxTextExtent,
1750                     "  %g %g %g %g %g %g c z\n",last[2].x,
1751                     last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
1752             (void) ConcatenateString(&path,message);
1753             in_subpath=MagickFalse;
1754           }
1755         break;
1756       }
1757       case 6:
1758       case 7:
1759       case 8:
1760       default:
1761       {
1762         blob+=24;
1763         length-=24;
1764         break;
1765       }
1766     }
1767   }
1768   /*
1769     Returns an empty PS path if the path has no knots.
1770   */
1771   (void) FormatMagickString(message,MaxTextExtent,"  eoclip\n");
1772   (void) ConcatenateString(&path,message);
1773   (void) FormatMagickString(message,MaxTextExtent,"} bind def");
1774   (void) ConcatenateString(&path,message);
1775   message=DestroyString(message);
1776   return(path);
1777 }
1778
1779 static char *TraceSVGClippath(const unsigned char *blob,size_t length,
1780   const size_t columns,const size_t rows)
1781 {
1782   char
1783     *path,
1784     *message;
1785
1786   MagickBooleanType
1787     in_subpath;
1788
1789   PointInfo
1790     first[3],
1791     last[3],
1792     point[3];
1793
1794   register ssize_t
1795     i;
1796
1797   ssize_t
1798     knot_count,
1799     selector,
1800     x,
1801     y;
1802
1803   path=AcquireString((char *) NULL);
1804   if (path == (char *) NULL)
1805     return((char *) NULL);
1806   message=AcquireString((char *) NULL);
1807   (void) FormatMagickString(message,MaxTextExtent,
1808     "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n");
1809   (void) ConcatenateString(&path,message);
1810   (void) FormatMagickString(message,MaxTextExtent,
1811     "<svg width=\"%.20g\" height=\"%.20g\">\n",(double) columns,(double) rows);
1812   (void) ConcatenateString(&path,message);
1813   (void) FormatMagickString(message,MaxTextExtent,"<g>\n");
1814   (void) ConcatenateString(&path,message);
1815   (void) FormatMagickString(message,MaxTextExtent,
1816     "<path style=\"fill:#00000000;stroke:#00000000;");
1817   (void) ConcatenateString(&path,message);
1818   (void) FormatMagickString(message,MaxTextExtent,
1819     "stroke-width:0;stroke-antialiasing:false\" d=\"\n");
1820   (void) ConcatenateString(&path,message);
1821   (void) ResetMagickMemory(point,0,sizeof(point));
1822   (void) ResetMagickMemory(first,0,sizeof(first));
1823   (void) ResetMagickMemory(last,0,sizeof(last));
1824   knot_count=0;
1825   in_subpath=MagickFalse;
1826   while (length != 0)
1827   {
1828     selector=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1829     switch (selector)
1830     {
1831       case 0:
1832       case 3:
1833       {
1834         if (knot_count != 0)
1835           {
1836             blob+=24;
1837             length-=24;
1838             break;
1839           }
1840         /*
1841           Expected subpath length record.
1842         */
1843         knot_count=(ssize_t) ReadPropertyMSBShort(&blob,&length);
1844         blob+=22;
1845         length-=22;
1846         break;
1847       }
1848       case 1:
1849       case 2:
1850       case 4:
1851       case 5:
1852       {
1853         if (knot_count == 0)
1854           {
1855             /*
1856               Unexpected subpath knot.
1857             */
1858             blob+=24;
1859             length-=24;
1860             break;
1861           }
1862         /*
1863           Add sub-path knot
1864         */
1865         for (i=0; i < 3; i++)
1866         {
1867           size_t
1868             xx,
1869             yy;
1870
1871           yy=ReadPropertyMSBLong(&blob,&length);
1872           xx=ReadPropertyMSBLong(&blob,&length);
1873           x=(ssize_t) xx;
1874           if (xx > 2147483647)
1875             x=(ssize_t) xx-4294967295-1;
1876           y=(ssize_t) yy;
1877           if (yy > 2147483647)
1878             y=(ssize_t) yy-4294967295-1;
1879           point[i].x=(double) x*columns/4096/4096;
1880           point[i].y=(double) y*rows/4096/4096;
1881         }
1882         if (in_subpath == MagickFalse)
1883           {
1884             (void) FormatMagickString(message,MaxTextExtent,"M %g,%g\n",
1885               point[1].x,point[1].y);
1886             for (i=0; i < 3; i++)
1887             {
1888               first[i]=point[i];
1889               last[i]=point[i];
1890             }
1891           }
1892         else
1893           {
1894             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1895                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
1896               (void) FormatMagickString(message,MaxTextExtent,"L %g,%g\n",
1897                 point[1].x,point[1].y);
1898             else
1899               (void) FormatMagickString(message,MaxTextExtent,
1900                 "C %g,%g %g,%g %g,%g\n",last[2].x,last[2].y,
1901                 point[0].x,point[0].y,point[1].x,point[1].y);
1902             for (i=0; i < 3; i++)
1903               last[i]=point[i];
1904           }
1905         (void) ConcatenateString(&path,message);
1906         in_subpath=MagickTrue;
1907         knot_count--;
1908         /*
1909           Close the subpath if there are no more knots.
1910         */
1911         if (knot_count == 0)
1912           {
1913             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1914                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
1915               (void) FormatMagickString(message,MaxTextExtent,
1916                 "L %g,%g Z\n",first[1].x,first[1].y);
1917             else
1918               {
1919                 (void) FormatMagickString(message,MaxTextExtent,
1920                   "C %g,%g %g,%g %g,%g Z\n",last[2].x,
1921                   last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
1922                 (void) ConcatenateString(&path,message);
1923               }
1924             in_subpath=MagickFalse;
1925           }
1926         break;
1927       }
1928       case 6:
1929       case 7:
1930       case 8:
1931       default:
1932       {
1933         blob+=24;
1934         length-=24;
1935         break;
1936       }
1937     }
1938   }
1939   /*
1940     Return an empty SVG image if the path does not have knots.
1941   */
1942   (void) FormatMagickString(message,MaxTextExtent,"\"/>\n");
1943   (void) ConcatenateString(&path,message);
1944   (void) FormatMagickString(message,MaxTextExtent,"</g>\n");
1945   (void) ConcatenateString(&path,message);
1946   (void) FormatMagickString(message,MaxTextExtent,"</svg>\n");
1947   (void) ConcatenateString(&path,message);
1948   message=DestroyString(message);
1949   return(path);
1950 }
1951
1952 MagickExport const char *GetImageProperty(const Image *image,
1953   const char *property)
1954 {
1955   ExceptionInfo
1956     *exception;
1957
1958   FxInfo
1959     *fx_info;
1960
1961   MagickRealType
1962     alpha;
1963
1964   MagickStatusType
1965     status;
1966
1967   register const char
1968     *p;
1969
1970   assert(image != (Image *) NULL);
1971   assert(image->signature == MagickSignature);
1972   if (image->debug != MagickFalse)
1973     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1974   p=(const char *) NULL;
1975   if (image->properties != (void *) NULL)
1976     {
1977       if (property == (const char *) NULL)
1978         {
1979           ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
1980           p=(const char *) GetNextValueInSplayTree((SplayTreeInfo *)
1981             image->properties);
1982           return(p);
1983         }
1984       p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
1985         image->properties,property);
1986       if (p != (const char *) NULL)
1987         return(p);
1988     }
1989   if ((property == (const char *) NULL) ||
1990       (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               (image->properties != (void *) NULL))
2001             {
2002               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2003                 image->properties,property);
2004               return(p);
2005             }
2006         }
2007       break;
2008     }
2009     case 'E':
2010     case 'e':
2011     {
2012       if (LocaleNCompare("exif:",property,5) == 0)
2013         {
2014           if ((GetEXIFProperty(image,property) != MagickFalse) &&
2015               (image->properties != (void *) NULL))
2016             {
2017               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2018                 image->properties,property);
2019               return(p);
2020             }
2021         }
2022       break;
2023     }
2024     case 'F':
2025     case 'f':
2026     {
2027       if (LocaleNCompare("fx:",property,3) == 0)
2028         {
2029           fx_info=AcquireFxInfo(image,property+3);
2030           status=FxEvaluateChannelExpression(fx_info,DefaultChannels,0,0,&alpha,
2031             exception);
2032           fx_info=DestroyFxInfo(fx_info);
2033           if (status != MagickFalse)
2034             {
2035               char
2036                 value[MaxTextExtent];
2037
2038               (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2039                 GetMagickPrecision(),(double) alpha);
2040               (void) SetImageProperty((Image *) image,property,value);
2041             }
2042           if (image->properties != (void *) NULL)
2043             {
2044               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2045                 image->properties,property);
2046               return(p);
2047             }
2048         }
2049       break;
2050     }
2051     case 'I':
2052     case 'i':
2053     {
2054       if (LocaleNCompare("iptc:",property,5) == 0)
2055         {
2056           if ((GetIPTCProperty(image,property) != MagickFalse) &&
2057               (image->properties != (void *) NULL))
2058             {
2059               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2060                 image->properties,property);
2061               return(p);
2062             }
2063         }
2064       break;
2065     }
2066     case 'P':
2067     case 'p':
2068     {
2069       if (LocaleNCompare("pixel:",property,6) == 0)
2070         {
2071           MagickPixelPacket
2072             pixel;
2073
2074           GetMagickPixelPacket(image,&pixel);
2075           fx_info=AcquireFxInfo(image,property+6);
2076           status=FxEvaluateChannelExpression(fx_info,RedChannel,0,0,&alpha,
2077             exception);
2078           pixel.red=(MagickRealType) QuantumRange*alpha;
2079           status|=FxEvaluateChannelExpression(fx_info,GreenChannel,0,0,&alpha,
2080             exception);
2081           pixel.green=(MagickRealType) QuantumRange*alpha;
2082           status|=FxEvaluateChannelExpression(fx_info,BlueChannel,0,0,&alpha,
2083             exception);
2084           pixel.blue=(MagickRealType) QuantumRange*alpha;
2085           status|=FxEvaluateChannelExpression(fx_info,OpacityChannel,0,0,&alpha,
2086             exception);
2087           pixel.opacity=(MagickRealType) QuantumRange*(1.0-alpha);
2088           if (image->colorspace == CMYKColorspace)
2089             {
2090               status|=FxEvaluateChannelExpression(fx_info,BlackChannel,0,0,
2091                 &alpha,exception);
2092               pixel.index=(MagickRealType) QuantumRange*alpha;
2093             }
2094           fx_info=DestroyFxInfo(fx_info);
2095           if (status != MagickFalse)
2096             {
2097               char
2098                 name[MaxTextExtent];
2099
2100               (void) QueryMagickColorname(image,&pixel,SVGCompliance,name,
2101                 exception);
2102               (void) SetImageProperty((Image *) image,property,name);
2103               return(GetImageProperty(image,property));
2104             }
2105         }
2106       break;
2107     }
2108     case 'X':
2109     case 'x':
2110     {
2111       if (LocaleNCompare("xmp:",property,4) == 0)
2112         {
2113           if ((GetXMPProperty(image,property) != MagickFalse) &&
2114               (image->properties != (void *) NULL))
2115             {
2116               p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2117                 image->properties,property);
2118               return(p);
2119             }
2120         }
2121       break;
2122     }
2123     default:
2124       break;
2125   }
2126   return(p);
2127 }
2128 \f
2129 /*
2130 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2131 %                                                                             %
2132 %                                                                             %
2133 %                                                                             %
2134 +   G e t M a g i c k P r o p e r t y                                         %
2135 %                                                                             %
2136 %                                                                             %
2137 %                                                                             %
2138 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2139 %
2140 %  GetMagickProperty() gets a value associated with an image property.
2141 %
2142 %  The format of the GetMagickProperty method is:
2143 %
2144 %      const char *GetMagickProperty(const ImageInfo *image_info,
2145 %        Image *image,const char *key)
2146 %
2147 %  A description of each parameter follows:
2148 %
2149 %    o image_info: the image info.
2150 %
2151 %    o image: the image.
2152 %
2153 %    o key: the key.
2154 %
2155 */
2156 MagickExport const char *GetMagickProperty(const ImageInfo *image_info,
2157   Image *image,const char *property)
2158 {
2159   char
2160     value[MaxTextExtent],
2161     filename[MaxTextExtent];
2162
2163   *value='\0';
2164   switch (*property)
2165   {
2166     case 'b':
2167     {
2168       if (LocaleNCompare("base",property,4) == 0)
2169         {
2170           GetPathComponent(image->magick_filename,BasePath,filename);
2171           (void) CopyMagickString(value,filename,MaxTextExtent);
2172           break;
2173         }
2174       break;
2175     }
2176     case 'c':
2177     {
2178       if (LocaleNCompare("channels",property,8) == 0)
2179         {
2180           /*
2181             Image channels.
2182           */
2183           (void) FormatMagickString(value,MaxTextExtent,"%s",
2184             MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2185             image->colorspace));
2186           LocaleLower(value);
2187           if (image->matte != MagickFalse)
2188             (void) ConcatenateMagickString(value,"a",MaxTextExtent);
2189           break;
2190         }
2191       if (LocaleNCompare("colorspace",property,10) == 0)
2192         {
2193           ColorspaceType
2194             colorspace;
2195
2196           /*
2197             Image storage class and colorspace.
2198           */
2199           colorspace=image->colorspace;
2200           if (IsGrayImage(image,&image->exception) != MagickFalse)
2201             colorspace=GRAYColorspace;
2202           (void) FormatMagickString(value,MaxTextExtent,"%s",
2203             MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2204             colorspace));
2205           break;
2206         }
2207       if (LocaleNCompare("copyright",property,9) == 0)
2208         {
2209           (void) CopyMagickString(value,GetMagickCopyright(),MaxTextExtent);
2210           break;
2211         }
2212       break;
2213     }
2214     case 'd':
2215     {
2216       if (LocaleNCompare("depth",property,5) == 0)
2217         {
2218           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2219             image->depth);
2220           break;
2221         }
2222       if (LocaleNCompare("directory",property,9) == 0)
2223         {
2224           GetPathComponent(image->magick_filename,HeadPath,filename);
2225           (void) CopyMagickString(value,filename,MaxTextExtent);
2226           break;
2227         }
2228       break;
2229     }
2230     case 'e':
2231     {
2232       if (LocaleNCompare("extension",property,9) == 0)
2233         {
2234           GetPathComponent(image->magick_filename,ExtensionPath,filename);
2235           (void) CopyMagickString(value,filename,MaxTextExtent);
2236           break;
2237         }
2238       break;
2239     }
2240     case 'g':
2241     {
2242       if (LocaleNCompare("group",property,5) == 0)
2243         {
2244           (void) FormatMagickString(value,MaxTextExtent,"0x%lx",
2245             (unsigned long) image_info->group);
2246           break;
2247         }
2248       break;
2249     }
2250     case 'h':
2251     {
2252       if (LocaleNCompare("height",property,6) == 0)
2253         {
2254           (void) FormatMagickString(value,MaxTextExtent,"%.20g",
2255             image->magick_rows != 0 ? (double) image->magick_rows : 256.0);
2256           break;
2257         }
2258       break;
2259     }
2260     case 'i':
2261     {
2262       if (LocaleNCompare("input",property,5) == 0)
2263         {
2264           (void) CopyMagickString(value,image->filename,MaxTextExtent);
2265           break;
2266         }
2267       break;
2268     }
2269     case 'k':
2270     {
2271       if (LocaleNCompare("kurtosis",property,8) == 0)
2272         {
2273           double
2274             kurtosis,
2275             skewness;
2276
2277           (void) GetImageChannelKurtosis(image,image_info->channel,&kurtosis,
2278             &skewness,&image->exception);
2279           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2280             GetMagickPrecision(),kurtosis);
2281           break;
2282         }
2283       break;
2284     }
2285     case 'm':
2286     {
2287       if (LocaleNCompare("magick",property,6) == 0)
2288         {
2289           (void) CopyMagickString(value,image->magick,MaxTextExtent);
2290           break;
2291         }
2292       if (LocaleNCompare("max",property,3) == 0)
2293         {
2294           double
2295             maximum,
2296             minimum;
2297
2298           (void) GetImageChannelRange(image,image_info->channel,&minimum,
2299             &maximum,&image->exception);
2300           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2301             GetMagickPrecision(),maximum);
2302           break;
2303         }
2304       if (LocaleNCompare("mean",property,4) == 0)
2305         {
2306           double
2307             mean,
2308             standard_deviation;
2309
2310           (void) GetImageChannelMean(image,image_info->channel,&mean,
2311             &standard_deviation,&image->exception);
2312           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2313             GetMagickPrecision(),mean);
2314           break;
2315         }
2316       if (LocaleNCompare("min",property,3) == 0)
2317         {
2318           double
2319             maximum,
2320             minimum;
2321
2322           (void) GetImageChannelRange(image,image_info->channel,&minimum,
2323             &maximum,&image->exception);
2324           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2325             GetMagickPrecision(),minimum);
2326           break;
2327         }
2328       break;
2329     }
2330     case 'n':
2331     {
2332       if (LocaleNCompare("name",property,4) == 0)
2333         {
2334           (void) CopyMagickString(value,filename,MaxTextExtent);
2335           break;
2336         }
2337      break;
2338     }
2339     case 'o':
2340     {
2341       if (LocaleNCompare("output",property,6) == 0)
2342         {
2343           (void) CopyMagickString(value,image_info->filename,MaxTextExtent);
2344           break;
2345         }
2346      break;
2347     }
2348     case 'p':
2349     {
2350       if (LocaleNCompare("page",property,4) == 0)
2351         {
2352           register const Image
2353             *p;
2354
2355           size_t
2356             page;
2357
2358           p=image;
2359           for (page=1; GetPreviousImageInList(p) != (Image *) NULL; page++)
2360             p=GetPreviousImageInList(p);
2361           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2362             page);
2363           break;
2364         }
2365       break;
2366     }
2367     case 's':
2368     {
2369       if (LocaleNCompare("size",property,4) == 0)
2370         {
2371           char
2372             format[MaxTextExtent];
2373
2374           (void) FormatMagickSize(GetBlobSize(image),MagickFalse,format);
2375           (void) FormatMagickString(value,MaxTextExtent,"%sB",format);
2376           break;
2377         }
2378       if (LocaleNCompare("scenes",property,6) == 0)
2379         {
2380           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2381             GetImageListLength(image));
2382           break;
2383         }
2384       if (LocaleNCompare("scene",property,5) == 0)
2385         {
2386           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2387             image->scene);
2388           if (image_info->number_scenes != 0)
2389             (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2390               image_info->scene);
2391           break;
2392         }
2393       if (LocaleNCompare("skewness",property,8) == 0)
2394         {
2395           double
2396             kurtosis,
2397             skewness;
2398
2399           (void) GetImageChannelKurtosis(image,image_info->channel,&kurtosis,
2400             &skewness,&image->exception);
2401           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2402             GetMagickPrecision(),skewness);
2403           break;
2404         }
2405       if ((LocaleNCompare("standard-deviation",property,18) == 0) ||
2406           (LocaleNCompare("standard_deviation",property,18) == 0))
2407         {
2408           double
2409             mean,
2410             standard_deviation;
2411
2412           (void) GetImageChannelMean(image,image_info->channel,&mean,
2413             &standard_deviation,&image->exception);
2414           (void) FormatMagickString(value,MaxTextExtent,"%.*g",
2415             GetMagickPrecision(),standard_deviation);
2416           break;
2417         }
2418        break;
2419     }
2420     case 'u':
2421     {
2422       if (LocaleNCompare("unique",property,6) == 0)
2423         {
2424           (void) CopyMagickString(filename,image_info->unique,MaxTextExtent);
2425           (void) CopyMagickString(value,filename,MaxTextExtent);
2426           break;
2427         }
2428       break;
2429     }
2430     case 'v':
2431     {
2432       if (LocaleNCompare("version",property,7) == 0)
2433         {
2434           (void) CopyMagickString(value,GetMagickVersion((size_t *) NULL),
2435             MaxTextExtent);
2436           break;
2437         }
2438       break;
2439     }
2440     case 'w':
2441     {
2442       if (LocaleNCompare("width",property,5) == 0)
2443         {
2444           (void) FormatMagickString(value,MaxTextExtent,"%.20g",(double)
2445             (image->magick_columns != 0 ? image->magick_columns : 256));
2446           break;
2447         }
2448       break;
2449     }
2450     case 'x':
2451     {
2452       if (LocaleNCompare("xresolution",property,11) == 0)
2453         {
2454           (void) FormatMagickString(value,MaxTextExtent,"%g",
2455             image->x_resolution);
2456           break;
2457         }
2458       break;
2459     }
2460     case 'y':
2461     {
2462       if (LocaleNCompare("yresolution",property,11) == 0)
2463         {
2464           (void) FormatMagickString(value,MaxTextExtent,"%g",
2465             image->y_resolution);
2466           break;
2467         }
2468       break;
2469     }
2470     case 'z':
2471     {
2472       if (LocaleNCompare("zero",property,4) == 0)
2473         {
2474           (void) CopyMagickString(filename,image_info->zero,MaxTextExtent);
2475           (void) CopyMagickString(value,filename,MaxTextExtent);
2476           break;
2477         }
2478       break;
2479     }
2480   }
2481   if (*value != '\0')
2482    {
2483      if (image->properties == (void *) NULL)
2484        image->properties=NewSplayTree(CompareSplayTreeString,
2485          RelinquishMagickMemory,RelinquishMagickMemory);
2486      (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
2487        ConstantString(property),ConstantString(value));
2488    }
2489   return(GetImageProperty(image,property));
2490 }
2491 \f
2492 /*
2493 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2494 %                                                                             %
2495 %                                                                             %
2496 %                                                                             %
2497 %   G e t N e x t I m a g e P r o p e r t y                                   %
2498 %                                                                             %
2499 %                                                                             %
2500 %                                                                             %
2501 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2502 %
2503 %  GetNextImageProperty() gets the next image property value.
2504 %
2505 %  The format of the GetNextImageProperty method is:
2506 %
2507 %      char *GetNextImageProperty(const Image *image)
2508 %
2509 %  A description of each parameter follows:
2510 %
2511 %    o image: the image.
2512 %
2513 */
2514 MagickExport char *GetNextImageProperty(const Image *image)
2515 {
2516   assert(image != (Image *) NULL);
2517   assert(image->signature == MagickSignature);
2518   if (image->debug != MagickFalse)
2519     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2520       image->filename);
2521   if (image->properties == (void *) NULL)
2522     return((char *) NULL);
2523   return((char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->properties));
2524 }
2525 \f
2526 /*
2527 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2528 %                                                                             %
2529 %                                                                             %
2530 %                                                                             %
2531 %   I n t e r p r e t I m a g e P r o p e r t i e s                           %
2532 %                                                                             %
2533 %                                                                             %
2534 %                                                                             %
2535 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2536 %
2537 %  InterpretImageProperties() replaces any embedded formatting characters with
2538 %  the appropriate image property and returns the interpretted text.
2539 %
2540 %  The format of the InterpretImageProperties method is:
2541 %
2542 %      char *InterpretImageProperties(const ImageInfo *image_info,Image *image,
2543 %        const char *embed_text)
2544 %
2545 %  A description of each parameter follows:
2546 %
2547 %    o image_info: the image info.
2548 %
2549 %    o image: the image.
2550 %
2551 %    o embed_text: the address of a character string containing the embedded
2552 %      formatting characters.
2553 %
2554 */
2555 MagickExport char *InterpretImageProperties(const ImageInfo *image_info,
2556   Image *image,const char *embed_text)
2557 {
2558   char
2559     filename[MaxTextExtent],
2560     *interpret_text,
2561     *text;
2562
2563   const char
2564     *value;
2565
2566   ImageInfo
2567     *text_info;
2568
2569   register char
2570     *q;
2571
2572   register const char
2573     *p;
2574
2575   register ssize_t
2576     i;
2577
2578   size_t
2579     extent,
2580     length;
2581
2582   assert(image != (Image *) NULL);
2583   assert(image->signature == MagickSignature);
2584   if (image->debug != MagickFalse)
2585     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2586   if ((embed_text == (const char *) NULL) || (*embed_text == '\0'))
2587     return((char *) NULL);
2588   text=(char *) embed_text;
2589   if ((*text == '@') && ((*(text+1) == '-') ||
2590       (IsPathAccessible(text+1) != MagickFalse)))
2591     return(FileToString(embed_text+1,~0,&image->exception));
2592   /*
2593     Translate any embedded format characters.
2594   */
2595   text_info=CloneImageInfo(image_info);
2596   interpret_text=AcquireString(text);
2597   extent=MaxTextExtent;
2598   p=text;
2599   for (q=interpret_text; *p != '\0'; p++)
2600   {
2601     *q='\0';
2602     if ((size_t) (q-interpret_text+MaxTextExtent) >= extent)
2603       {
2604         extent+=MaxTextExtent;
2605         interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+
2606           MaxTextExtent+1,sizeof(*interpret_text));
2607         if (interpret_text == (char *) NULL)
2608           break;
2609         q=interpret_text+strlen(interpret_text);
2610       }
2611     /*
2612       Process formatting characters in text.
2613     */
2614     if ((*p == '\\') && (*(p+1) == 'r'))
2615       {
2616         *q++='\r';
2617         p++;
2618         continue;
2619       }
2620     if ((*p == '\\') && (*(p+1) == 'n'))
2621       {
2622         *q++='\n';
2623         p++;
2624         continue;
2625       }
2626     if (*p == '\\')
2627       {
2628         p++;
2629         *q++=(*p);
2630         continue;
2631       }
2632     if (*p != '%')
2633       {
2634         *q++=(*p);
2635         continue;
2636       }
2637     p++;
2638     switch (*p)
2639     {
2640       case 'b':
2641       {
2642         char
2643           format[MaxTextExtent];
2644
2645         /*
2646           File size.
2647         */
2648         (void) FormatMagickString(format,MaxTextExtent,"%.20g",(double)
2649           image->extent);
2650         if (image->extent != (MagickSizeType) ((size_t) image->extent))
2651           (void) FormatMagickSize(image->extent,MagickFalse,format);
2652         q+=ConcatenateMagickString(q,format,extent);
2653         q+=ConcatenateMagickString(q,"B",extent);
2654         break;
2655       }
2656       case 'c':
2657       {
2658         /*
2659           Image comment.
2660         */
2661         value=GetImageProperty(image,"comment");
2662         if (value == (const char *) NULL)
2663           break;
2664         length=strlen(value);
2665         if ((size_t) (q-interpret_text+length+1) >= extent)
2666           {
2667             extent+=length;
2668             interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+
2669               MaxTextExtent,sizeof(*interpret_text));
2670             if (interpret_text == (char *) NULL)
2671               break;
2672             q=interpret_text+strlen(interpret_text);
2673           }
2674         (void) CopyMagickString(q,value,extent);
2675         q+=length;
2676         break;
2677       }
2678       case 'd':
2679       case 'e':
2680       case 'f':
2681       case 't':
2682       {
2683         /*
2684           Label segment is the base of the filename.
2685         */
2686         if (*image->magick_filename == '\0')
2687           break;
2688         switch (*p)
2689         {
2690           case 'd':
2691           {
2692             /*
2693               Directory.
2694             */
2695             GetPathComponent(image->magick_filename,HeadPath,filename);
2696             q+=CopyMagickString(q,filename,extent);
2697             break;
2698           }
2699           case 'e':
2700           {
2701             /*
2702               Filename extension.
2703             */
2704             GetPathComponent(image->magick_filename,ExtensionPath,filename);
2705             q+=CopyMagickString(q,filename,extent);
2706             break;
2707           }
2708           case 'f':
2709           {
2710             /*
2711               Filename.
2712             */
2713             GetPathComponent(image->magick_filename,TailPath,filename);
2714             q+=CopyMagickString(q,filename,extent);
2715             break;
2716           }
2717           case 't':
2718           {
2719             /*
2720               Base filename.
2721             */
2722             GetPathComponent(image->magick_filename,BasePath,filename);
2723             q+=CopyMagickString(q,filename,extent);
2724             break;
2725           }
2726         }
2727         break;
2728       }
2729       case 'g':
2730       {
2731         /*
2732           Image geometry.
2733         */
2734         q+=FormatMagickString(q,extent,"%.20gx%.20g%+.20g%+.20g",(double)
2735           image->page.width,(double) image->page.height,(double) image->page.x,
2736           (double) image->page.y);
2737         break;
2738       }
2739       case 'h':
2740       {
2741         /*
2742           Image height.
2743         */
2744         q+=FormatMagickString(q,extent,"%.20g",(double) (image->rows != 0 ?
2745           image->rows : image->magick_rows));
2746         break;
2747       }
2748       case 'i':
2749       {
2750         /*
2751           Image filename.
2752         */
2753         q+=CopyMagickString(q,image->filename,extent);
2754         break;
2755       }
2756       case 'k':
2757       {
2758         /*
2759           Number of unique colors.
2760         */
2761         q+=FormatMagickString(q,extent,"%.20g",(double) GetNumberColors(image,
2762           (FILE *) NULL,&image->exception));
2763         break;
2764       }
2765       case 'l':
2766       {
2767         /*
2768           Image label.
2769         */
2770         value=GetImageProperty(image,"label");
2771         if (value == (const char *) NULL)
2772           break;
2773         length=strlen(value);
2774         if ((size_t) (q-interpret_text+length+1) >= extent)
2775           {
2776             extent+=length;
2777             interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+
2778               MaxTextExtent,sizeof(*interpret_text));
2779             if (interpret_text == (char *) NULL)
2780               break;
2781             q=interpret_text+strlen(interpret_text);
2782           }
2783         q+=CopyMagickString(q,value,extent);
2784         break;
2785       }
2786       case 'm':
2787       {
2788         /*
2789           Image format.
2790         */
2791         q+=CopyMagickString(q,image->magick,extent);
2792         break;
2793       }
2794       case 'M':
2795       {
2796         /*
2797           Image magick filename.
2798         */
2799         q+=CopyMagickString(q,image->magick_filename,extent);
2800         break;
2801       }
2802       case 'n':
2803       {
2804         /*
2805           Number of images in the list.
2806         */
2807         q+=FormatMagickString(q,extent,"%.20g",(double) GetImageListLength(
2808           image));
2809         break;
2810       }
2811       case 'o':
2812       {
2813         /*
2814           Image output filename.
2815         */
2816         q+=CopyMagickString(q,text_info->filename,extent);
2817         break;
2818       }
2819       case 'p':
2820       {
2821         register const Image
2822           *p;
2823
2824         size_t
2825           page;
2826
2827         /*
2828           Image page number.
2829         */
2830         p=image;
2831         for (page=1; GetPreviousImageInList(p) != (Image *) NULL; page++)
2832           p=GetPreviousImageInList(p);
2833         q+=FormatMagickString(q,extent,"%.20g",(double) page);
2834         break;
2835       }
2836       case 'q':
2837       {
2838         /*
2839           Image depth.
2840         */
2841         q+=FormatMagickString(q,extent,"%.20g",(double)
2842           MAGICKCORE_QUANTUM_DEPTH);
2843         break;
2844       }
2845       case 'r':
2846       {
2847         ColorspaceType
2848           colorspace;
2849
2850         /*
2851           Image storage class and colorspace.
2852         */
2853         colorspace=image->colorspace;
2854         if (IsGrayImage(image,&image->exception) != MagickFalse)
2855           colorspace=GRAYColorspace;
2856         q+=FormatMagickString(q,extent,"%s%s%s",MagickOptionToMnemonic(
2857           MagickClassOptions,(ssize_t) image->storage_class),
2858           MagickOptionToMnemonic(MagickColorspaceOptions,(ssize_t) colorspace),
2859           image->matte != MagickFalse ? "Matte" : "");
2860         break;
2861       }
2862       case 's':
2863       {
2864         /*
2865           Image scene number.
2866         */
2867         if (text_info->number_scenes == 0)
2868           q+=FormatMagickString(q,extent,"%.20g",(double) image->scene);
2869         else
2870           q+=FormatMagickString(q,extent,"%.20g",(double) text_info->scene);
2871         break;
2872       }
2873       case 'u':
2874       {
2875         /*
2876           Unique filename.
2877         */
2878         (void) CopyMagickString(filename,text_info->unique,extent);
2879         q+=CopyMagickString(q,filename,extent);
2880         break;
2881       }
2882       case 'w':
2883       {
2884         /*
2885           Image width.
2886         */
2887         q+=FormatMagickString(q,extent,"%.20g",(double) (image->columns != 0 ?
2888           image->columns : image->magick_columns));
2889         break;
2890       }
2891       case 'x':
2892       {
2893         /*
2894           Image horizontal resolution.
2895         */
2896         q+=FormatMagickString(q,extent,"%g %s",image->x_resolution,
2897           MagickOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2898             image->units));
2899         break;
2900       }
2901       case 'y':
2902       {
2903         /*
2904           Image vertical resolution.
2905         */
2906         q+=FormatMagickString(q,extent,"%g %s",image->y_resolution,
2907           MagickOptionToMnemonic(MagickResolutionOptions,(ssize_t)
2908           image->units));
2909         break;
2910       }
2911       case 'z':
2912       {
2913         /*
2914           Image depth.
2915         */
2916         q+=FormatMagickString(q,extent,"%.20g",(double) image->depth);
2917         break;
2918       }
2919       case 'A':
2920       {
2921         /*
2922           Image alpha channel.
2923         */
2924         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2925           MagickBooleanOptions,(ssize_t) image->matte));
2926         break;
2927       }
2928       case 'C':
2929       {
2930         /*
2931           Image compression method.
2932         */
2933         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2934           MagickCompressOptions,(ssize_t) image->compression));
2935         break;
2936       }
2937       case 'D':
2938       {
2939         /*
2940           Image dispose method.
2941         */
2942         q+=FormatMagickString(q,extent,"%s",MagickOptionToMnemonic(
2943           MagickDisposeOptions,(ssize_t) image->dispose));
2944         break;
2945       }
2946       case 'G':
2947       {
2948         q+=FormatMagickString(q,extent,"%.20gx%.20g",(double)
2949           image->magick_columns,(double) image->magick_rows);
2950         break;
2951       }
2952       case 'H':
2953       {
2954         q+=FormatMagickString(q,extent,"%.20g",(double) image->page.height);
2955         break;
2956       }
2957       case 'O':
2958       {
2959         q+=FormatMagickString(q,extent,"%+ld%+ld",(long) image->page.x,(long)
2960           image->page.y);
2961         break;
2962       }
2963       case 'P':
2964       {
2965         q+=FormatMagickString(q,extent,"%.20gx%.20g",(double) image->page.width,
2966           (double) image->page.height);
2967         break;
2968       }
2969       case 'Q':
2970       {
2971         q+=FormatMagickString(q,extent,"%.20g",(double) image->quality);
2972         break;
2973       }
2974       case 'S':
2975       {
2976         /*
2977           Image scenes.
2978         */
2979         if (text_info->number_scenes == 0)
2980           q+=CopyMagickString(q,"2147483647",extent);
2981         else
2982           q+=FormatMagickString(q,extent,"%.20g",(double) (text_info->scene+
2983             text_info->number_scenes));
2984         break;
2985       }
2986       case 'T':
2987       {
2988         q+=FormatMagickString(q,extent,"%.20g",(double) image->delay);
2989         break;
2990       }
2991       case 'W':
2992       {
2993         q+=FormatMagickString(q,extent,"%.20g",(double) image->page.width);
2994         break;
2995       }
2996       case 'X':
2997       {
2998         q+=FormatMagickString(q,extent,"%+.20g",(double) image->page.x);
2999         break;
3000       }
3001       case 'Y':
3002       {
3003         q+=FormatMagickString(q,extent,"%+.20g",(double) image->page.y);
3004         break;
3005       }
3006       case 'Z':
3007       {
3008         /*
3009           Unique filename.
3010         */
3011         (void) CopyMagickString(filename,text_info->zero,extent);
3012         q+=CopyMagickString(q,filename,extent);
3013         break;
3014       }
3015       case '[':
3016       {
3017         char
3018           pattern[MaxTextExtent];
3019
3020         const char
3021           *key,
3022           *value;
3023
3024         ssize_t
3025           depth;
3026
3027         /*
3028           Image value.
3029         */
3030         if (strchr(p,']') == (char *) NULL)
3031           break;
3032         depth=1;
3033         p++;
3034         for (i=0; (i < (MaxTextExtent-1L)) && (*p != '\0'); i++)
3035         {
3036           if (*p == '[')
3037             depth++;
3038           if (*p == ']')
3039             depth--;
3040           if (depth <= 0)
3041             break;
3042           pattern[i]=(*p++);
3043         }
3044         pattern[i]='\0';
3045         value=GetImageProperty(image,pattern);
3046         if (value != (const char *) NULL)
3047           {
3048             length=strlen(value);
3049             if ((size_t) (q-interpret_text+length+1) >= extent)
3050               {
3051                 extent+=length;
3052                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3053                   extent+MaxTextExtent,sizeof(*interpret_text));
3054                 if (interpret_text == (char *) NULL)
3055                   break;
3056                 q=interpret_text+strlen(interpret_text);
3057               }
3058             (void) CopyMagickString(q,value,extent);
3059             q+=length;
3060             break;
3061           }
3062         else
3063           if (IsGlob(pattern) != MagickFalse)
3064             {
3065               /*
3066                 Iterate over image properties.
3067               */
3068               ResetImagePropertyIterator(image);
3069               key=GetNextImageProperty(image);
3070               while (key != (const char *) NULL)
3071               {
3072                 if (GlobExpression(key,pattern,MagickTrue) != MagickFalse)
3073                   {
3074                     value=GetImageProperty(image,key);
3075                     if (value != (const char *) NULL)
3076                       {
3077                         length=strlen(key)+strlen(value)+2;
3078                         if ((size_t) (q-interpret_text+length+1) >= extent)
3079                           {
3080                             extent+=length;
3081                             interpret_text=(char *) ResizeQuantumMemory(
3082                               interpret_text,extent+MaxTextExtent,
3083                               sizeof(*interpret_text));
3084                             if (interpret_text == (char *) NULL)
3085                               break;
3086                             q=interpret_text+strlen(interpret_text);
3087                           }
3088                         q+=FormatMagickString(q,extent,"%s=%s\n",key,value);
3089                       }
3090                   }
3091                 key=GetNextImageProperty(image);
3092               }
3093             }
3094         value=GetMagickProperty(text_info,image,pattern);
3095         if (value != (const char *) NULL)
3096           {
3097             length=strlen(value);
3098             if ((size_t) (q-interpret_text+length+1) >= extent)
3099               {
3100                 extent+=length;
3101                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3102                   extent+MaxTextExtent,sizeof(*interpret_text));
3103                 if (interpret_text == (char *) NULL)
3104                   break;
3105                 q=interpret_text+strlen(interpret_text);
3106               }
3107             (void) CopyMagickString(q,value,extent);
3108             q+=length;
3109             break;
3110           }
3111         if (image_info == (ImageInfo *) NULL)
3112           break;
3113         value=GetImageOption(image_info,pattern);
3114         if (value != (char *) NULL)
3115           {
3116             length=strlen(value);
3117             if ((size_t) (q-interpret_text+length+1) >= extent)
3118               {
3119                 extent+=length;
3120                 interpret_text=(char *) ResizeQuantumMemory(interpret_text,
3121                   extent+MaxTextExtent,sizeof(*interpret_text));
3122                 if (interpret_text == (char *) NULL)
3123                   break;
3124                 q=interpret_text+strlen(interpret_text);
3125               }
3126             (void) CopyMagickString(q,value,extent);
3127             q+=length;
3128             break;
3129           }
3130         break;
3131       }
3132       case '@':
3133       {
3134         RectangleInfo
3135           page;
3136
3137         /*
3138           Image bounding box.
3139         */
3140         page=GetImageBoundingBox(image,&image->exception);
3141         q+=FormatMagickString(q,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
3142           (double) page.width,(double) page.height,(double) page.x,(double)
3143           page.y);
3144         break;
3145       }
3146       case '#':
3147       {
3148         /*
3149           Image signature.
3150         */
3151         (void) SignatureImage(image);
3152         value=GetImageProperty(image,"signature");
3153         if (value == (const char *) NULL)
3154           break;
3155         q+=CopyMagickString(q,value,extent);
3156         break;
3157       }
3158       case '%':
3159       {
3160         *q++=(*p);
3161         break;
3162       }
3163       default:
3164       {
3165         *q++='%';
3166         *q++=(*p);
3167         break;
3168       }
3169     }
3170   }
3171   *q='\0';
3172   text_info=DestroyImageInfo(text_info);
3173   if (text != (const char *) embed_text)
3174     text=DestroyString(text);
3175   (void) SubstituteString(&interpret_text,"&lt;","<");
3176   (void) SubstituteString(&interpret_text,"&gt;",">");
3177   return(interpret_text);
3178 }
3179 \f
3180 /*
3181 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3182 %                                                                             %
3183 %                                                                             %
3184 %                                                                             %
3185 %   R e m o v e I m a g e P r o p e r t y                                     %
3186 %                                                                             %
3187 %                                                                             %
3188 %                                                                             %
3189 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3190 %
3191 %  RemoveImageProperty() removes a property from the image and returns its
3192 %  value.
3193 %
3194 %  The format of the RemoveImageProperty method is:
3195 %
3196 %      char *RemoveImageProperty(Image *image,const char *property)
3197 %
3198 %  A description of each parameter follows:
3199 %
3200 %    o image: the image.
3201 %
3202 %    o property: the image property.
3203 %
3204 */
3205 MagickExport char *RemoveImageProperty(Image *image,
3206   const char *property)
3207 {
3208   char
3209     *value;
3210
3211   assert(image != (Image *) NULL);
3212   assert(image->signature == MagickSignature);
3213   if (image->debug != MagickFalse)
3214     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3215       image->filename);
3216   if (image->properties == (void *) NULL)
3217     return((char *) NULL);
3218   value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->properties,
3219     property);
3220   return(value);
3221 }
3222 \f
3223 /*
3224 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3225 %                                                                             %
3226 %                                                                             %
3227 %                                                                             %
3228 %   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                       %
3229 %                                                                             %
3230 %                                                                             %
3231 %                                                                             %
3232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3233 %
3234 %  ResetImagePropertyIterator() resets the image properties iterator.  Use it
3235 %  in conjunction with GetNextImageProperty() to iterate over all the values
3236 %  associated with an image property.
3237 %
3238 %  The format of the ResetImagePropertyIterator method is:
3239 %
3240 %      ResetImagePropertyIterator(Image *image)
3241 %
3242 %  A description of each parameter follows:
3243 %
3244 %    o image: the image.
3245 %
3246 */
3247 MagickExport void ResetImagePropertyIterator(const Image *image)
3248 {
3249   assert(image != (Image *) NULL);
3250   assert(image->signature == MagickSignature);
3251   if (image->debug != MagickFalse)
3252     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3253       image->filename);
3254   if (image->properties == (void *) NULL)
3255     return;
3256   ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
3257 }
3258 \f
3259 /*
3260 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3261 %                                                                             %
3262 %                                                                             %
3263 %                                                                             %
3264 %   S e t I m a g e P r o p e r t y                                           %
3265 %                                                                             %
3266 %                                                                             %
3267 %                                                                             %
3268 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3269 %
3270 %  SetImageProperty() associates an value with an image property.
3271 %
3272 %  The format of the SetImageProperty method is:
3273 %
3274 %      MagickBooleanType SetImageProperty(Image *image,const char *property,
3275 %        const char *value)
3276 %
3277 %  A description of each parameter follows:
3278 %
3279 %    o image: the image.
3280 %
3281 %    o property: the image property.
3282 %
3283 %    o values: the image property values.
3284 %
3285 */
3286 MagickExport MagickBooleanType SetImageProperty(Image *image,
3287   const char *property,const char *value)
3288 {
3289   ExceptionInfo
3290     *exception;
3291
3292   MagickBooleanType
3293     status;
3294
3295   MagickStatusType
3296     flags;
3297
3298   assert(image != (Image *) NULL);
3299   assert(image->signature == MagickSignature);
3300   if (image->debug != MagickFalse)
3301     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3302       image->filename);
3303   if (image->properties == (void *) NULL)
3304     image->properties=NewSplayTree(CompareSplayTreeString,
3305       RelinquishMagickMemory,RelinquishMagickMemory);
3306   if ((value == (const char *) NULL) || (*value == '\0'))
3307     return(DeleteImageProperty(image,property));
3308   status=MagickTrue;
3309   exception=(&image->exception);
3310   switch (*property)
3311   {
3312     case 'B':
3313     case 'b':
3314     {
3315       if (LocaleCompare(property,"background") == 0)
3316         {
3317           (void) QueryColorDatabase(value,&image->background_color,exception);
3318           break;
3319         }
3320       if (LocaleCompare(property,"bias") == 0)
3321         {
3322           image->bias=SiPrefixToDouble(value,QuantumRange);
3323           break;
3324         }
3325       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3326         ConstantString(property),ConstantString(value));
3327       break;
3328     }
3329     case 'C':
3330     case 'c':
3331     {
3332       if (LocaleCompare(property,"colorspace") == 0)
3333         {
3334           ssize_t
3335             colorspace;
3336
3337           colorspace=ParseMagickOption(MagickColorspaceOptions,MagickFalse,
3338             value);
3339           if (colorspace < 0)
3340             break;
3341           (void) SetImageColorspace(image,(ColorspaceType) colorspace);
3342           break;
3343         }
3344       if (LocaleCompare(property,"compose") == 0)
3345         {
3346           ssize_t
3347             compose;
3348
3349           compose=ParseMagickOption(MagickComposeOptions,MagickFalse,value);
3350           if (compose < 0)
3351             break;
3352           image->compose=(CompositeOperator) compose;
3353           break;
3354         }
3355       if (LocaleCompare(property,"compress") == 0)
3356         {
3357           ssize_t
3358             compression;
3359
3360           compression=ParseMagickOption(MagickCompressOptions,MagickFalse,
3361             value);
3362           if (compression < 0)
3363             break;
3364           image->compression=(CompressionType) compression;
3365           break;
3366         }
3367       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3368         ConstantString(property),ConstantString(value));
3369       break;
3370     }
3371     case 'D':
3372     case 'd':
3373     {
3374       if (LocaleCompare(property,"delay") == 0)
3375         {
3376           GeometryInfo
3377             geometry_info;
3378
3379           flags=ParseGeometry(value,&geometry_info);
3380           if ((flags & GreaterValue) != 0)
3381             {
3382               if (image->delay > (size_t) floor(geometry_info.rho+0.5))
3383                 image->delay=(size_t) floor(geometry_info.rho+0.5);
3384             }
3385           else
3386             if ((flags & LessValue) != 0)
3387               {
3388                 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
3389                   image->ticks_per_second=(ssize_t)
3390                     floor(geometry_info.sigma+0.5);
3391               }
3392             else
3393               image->delay=(size_t) floor(geometry_info.rho+0.5);
3394           if ((flags & SigmaValue) != 0)
3395             image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
3396           break;
3397         }
3398       if (LocaleCompare(property,"density") == 0)
3399         {
3400           GeometryInfo
3401             geometry_info;
3402
3403           flags=ParseGeometry(value,&geometry_info);
3404           image->x_resolution=geometry_info.rho;
3405           image->y_resolution=geometry_info.sigma;
3406           if ((flags & SigmaValue) == 0)
3407             image->y_resolution=image->x_resolution;
3408         }
3409       if (LocaleCompare(property,"depth") == 0)
3410         {
3411           image->depth=StringToUnsignedLong(value);
3412           break;
3413         }
3414       if (LocaleCompare(property,"dispose") == 0)
3415         {
3416           ssize_t
3417             dispose;
3418
3419           dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,value);
3420           if (dispose < 0)
3421             break;
3422           image->dispose=(DisposeType) dispose;
3423           break;
3424         }
3425       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3426         ConstantString(property),ConstantString(value));
3427       break;
3428     }
3429     case 'G':
3430     case 'g':
3431     {
3432       if (LocaleCompare(property,"gravity") == 0)
3433         {
3434           ssize_t
3435             gravity;
3436
3437           gravity=ParseMagickOption(MagickGravityOptions,MagickFalse,value);
3438           if (gravity < 0)
3439             break;
3440           image->gravity=(GravityType) gravity;
3441           break;
3442         }
3443       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3444         ConstantString(property),ConstantString(value));
3445       break;
3446     }
3447     case 'I':
3448     case 'i':
3449     {
3450       if (LocaleCompare(property,"intent") == 0)
3451         {
3452           ssize_t
3453             rendering_intent;
3454
3455           rendering_intent=ParseMagickOption(MagickIntentOptions,MagickFalse,
3456             value);
3457           if (rendering_intent < 0)
3458             break;
3459           image->rendering_intent=(RenderingIntent) rendering_intent;
3460           break;
3461         }
3462       if (LocaleCompare(property,"interpolate") == 0)
3463         {
3464           ssize_t
3465             interpolate;
3466
3467           interpolate=ParseMagickOption(MagickInterpolateOptions,MagickFalse,
3468             value);
3469           if (interpolate < 0)
3470             break;
3471           image->interpolate=(InterpolatePixelMethod) interpolate;
3472           break;
3473         }
3474       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3475         ConstantString(property),ConstantString(value));
3476       break;
3477     }
3478     case 'L':
3479     case 'l':
3480     {
3481       if (LocaleCompare(property,"loop") == 0)
3482         {
3483           image->iterations=StringToUnsignedLong(value);
3484           break;
3485         }
3486       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3487         ConstantString(property),ConstantString(value));
3488       break;
3489     }
3490     case 'P':
3491     case 'p':
3492     {
3493       if (LocaleCompare(property,"page") == 0)
3494         {
3495           char
3496             *geometry;
3497
3498           geometry=GetPageGeometry(value);
3499           flags=ParseAbsoluteGeometry(geometry,&image->page);
3500           geometry=DestroyString(geometry);
3501           break;
3502         }
3503       if (LocaleCompare(property,"profile") == 0)
3504         {
3505           ImageInfo
3506             *image_info;
3507
3508           StringInfo
3509             *profile;
3510
3511           image_info=AcquireImageInfo();
3512           (void) CopyMagickString(image_info->filename,value,MaxTextExtent);
3513           (void) SetImageInfo(image_info,1,exception);
3514           profile=FileToStringInfo(image_info->filename,~0UL,exception);
3515           if (profile != (StringInfo *) NULL)
3516             status=SetImageProfile(image,image_info->magick,profile);
3517           image_info=DestroyImageInfo(image_info);
3518           break;
3519         }
3520       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3521         ConstantString(property),ConstantString(value));
3522       break;
3523     }
3524     case 'R':
3525     case 'r':
3526     {
3527       if (LocaleCompare(property,"rendering-intent") == 0)
3528         {
3529           ssize_t
3530             rendering_intent;
3531
3532           rendering_intent=ParseMagickOption(MagickIntentOptions,MagickFalse,
3533             value);
3534           if (rendering_intent < 0)
3535             break;
3536           image->rendering_intent=(RenderingIntent) rendering_intent;
3537           break;
3538         }
3539       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3540         ConstantString(property),ConstantString(value));
3541       break;
3542     }
3543     case 'T':
3544     case 't':
3545     {
3546       if (LocaleCompare(property,"tile-offset") == 0)
3547         {
3548           char
3549             *geometry;
3550
3551           geometry=GetPageGeometry(value);
3552           flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
3553           geometry=DestroyString(geometry);
3554           break;
3555         }
3556       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3557         ConstantString(property),ConstantString(value));
3558       break;
3559     }
3560     case 'U':
3561     case 'u':
3562     {
3563       if (LocaleCompare(property,"units") == 0)
3564         {
3565           ssize_t
3566             units;
3567
3568           units=ParseMagickOption(MagickResolutionOptions,MagickFalse,value);
3569           if (units < 0)
3570             break;
3571           image->units=(ResolutionType) units;
3572           break;
3573         }
3574       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3575         ConstantString(property),ConstantString(value));
3576       break;
3577     }
3578     default:
3579     {
3580       status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
3581         ConstantString(property),ConstantString(value));
3582       break;
3583     }
3584   }
3585   return(status);
3586 }