granicus.if.org Git - imagemagick/blob - MagickCore/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 %                                   Cristy                                    %
  17 %                                 March 2000                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2014 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
  40
  41 /*
  42   Include declarations.
  43 */
  44 #include "MagickCore/studio.h"
  45 #include "MagickCore/artifact.h"
  46 #include "MagickCore/attribute.h"
  47 #include "MagickCore/cache.h"
  48 #include "MagickCore/cache-private.h"
  49 #include "MagickCore/color.h"
  50 #include "MagickCore/color-private.h"
  51 #include "MagickCore/colorspace-private.h"
  52 #include "MagickCore/compare.h"
  53 #include "MagickCore/constitute.h"
  54 #include "MagickCore/draw.h"
  55 #include "MagickCore/effect.h"
  56 #include "MagickCore/exception.h"
  57 #include "MagickCore/exception-private.h"
  58 #include "MagickCore/fx.h"
  59 #include "MagickCore/fx-private.h"
  60 #include "MagickCore/gem.h"
  61 #include "MagickCore/geometry.h"
  62 #include "MagickCore/histogram.h"
  63 #include "MagickCore/image.h"
  64 #include "MagickCore/layer.h"
  65 #include "MagickCore/locale-private.h"
  66 #include "MagickCore/list.h"
  67 #include "MagickCore/magick.h"
  68 #include "MagickCore/memory_.h"
  69 #include "MagickCore/monitor.h"
  70 #include "MagickCore/montage.h"
  71 #include "MagickCore/option.h"
  72 #include "MagickCore/profile.h"
  73 #include "MagickCore/property.h"
  74 #include "MagickCore/quantum.h"
  75 #include "MagickCore/resource_.h"
  76 #include "MagickCore/splay-tree.h"
  77 #include "MagickCore/signature.h"
  78 #include "MagickCore/statistic.h"
  79 #include "MagickCore/string_.h"
  80 #include "MagickCore/string-private.h"
  81 #include "MagickCore/token.h"
  82 #include "MagickCore/token-private.h"
  83 #include "MagickCore/utility.h"
  84 #include "MagickCore/utility-private.h"
  85 #include "MagickCore/version.h"
  86 #include "MagickCore/xml-tree.h"
  87 #include "MagickCore/xml-tree-private.h"
  88 #if defined(MAGICKCORE_LCMS_DELEGATE)
  89 #if defined(MAGICKCORE_HAVE_LCMS_LCMS2_H)
  90 #include <lcms/lcms2.h>
  91 #elif defined(MAGICKCORE_HAVE_LCMS2_H)
  92 #include "lcms2.h"
  93 #elif defined(MAGICKCORE_HAVE_LCMS_LCMS_H)
  94 #include <lcms/lcms.h>
  95 #else
  96 #include "lcms.h"
  97 #endif
  98 #endif
  99 \f
 100 /*
 101   Define declarations.
 102 */
 103 #if defined(MAGICKCORE_LCMS_DELEGATE)
 104 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
 105 #define cmsUInt32Number  DWORD
 106 #endif
 107 #endif
 108 \f
 109 /*
 110 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 111 %                                                                             %
 112 %                                                                             %
 113 %                                                                             %
 114 %   C l o n e I m a g e P r o p e r t i e s                                   %
 115 %                                                                             %
 116 %                                                                             %
 117 %                                                                             %
 118 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 119 %
 120 %  CloneImageProperties() clones all the image properties to another image.
 121 %
 122 %  The format of the CloneImageProperties method is:
 123 %
 124 %      MagickBooleanType CloneImageProperties(Image *image,
 125 %        const Image *clone_image)
 126 %
 127 %  A description of each parameter follows:
 128 %
 129 %    o image: the image.
 130 %
 131 %    o clone_image: the clone image.
 132 %
 133 */
 134 MagickExport MagickBooleanType CloneImageProperties(Image *image,
 135   const Image *clone_image)
 136 {
 137   assert(image != (Image *) NULL);
 138   assert(image->signature == MagickSignature);
 139   if( IfMagickTrue(image->debug) )
 140     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 141   assert(clone_image != (const Image *) NULL);
 142   assert(clone_image->signature == MagickSignature);
 143   if( IfMagickTrue(clone_image->debug) )
 144     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 145       clone_image->filename);
 146   (void) CopyMagickString(image->filename,clone_image->filename,MaxTextExtent);
 147   (void) CopyMagickString(image->magick_filename,clone_image->magick_filename,
 148     MaxTextExtent);
 149   image->compression=clone_image->compression;
 150   image->quality=clone_image->quality;
 151   image->depth=clone_image->depth;
 152   image->background_color=clone_image->background_color;
 153   image->border_color=clone_image->border_color;
 154   image->matte_color=clone_image->matte_color;
 155   image->transparent_color=clone_image->transparent_color;
 156   image->gamma=clone_image->gamma;
 157   image->chromaticity=clone_image->chromaticity;
 158   image->rendering_intent=clone_image->rendering_intent;
 159   image->black_point_compensation=clone_image->black_point_compensation;
 160   image->units=clone_image->units;
 161   image->montage=(char *) NULL;
 162   image->directory=(char *) NULL;
 163   (void) CloneString(&image->geometry,clone_image->geometry);
 164   image->offset=clone_image->offset;
 165   image->resolution.x=clone_image->resolution.x;
 166   image->resolution.y=clone_image->resolution.y;
 167   image->page=clone_image->page;
 168   image->tile_offset=clone_image->tile_offset;
 169   image->extract_info=clone_image->extract_info;
 170   image->filter=clone_image->filter;
 171   image->fuzz=clone_image->fuzz;
 172   image->intensity=clone_image->intensity;
 173   image->interlace=clone_image->interlace;
 174   image->interpolate=clone_image->interpolate;
 175   image->endian=clone_image->endian;
 176   image->gravity=clone_image->gravity;
 177   image->compose=clone_image->compose;
 178   image->scene=clone_image->scene;
 179   image->orientation=clone_image->orientation;
 180   image->dispose=clone_image->dispose;
 181   image->delay=clone_image->delay;
 182   image->ticks_per_second=clone_image->ticks_per_second;
 183   image->iterations=clone_image->iterations;
 184   image->total_colors=clone_image->total_colors;
 185   image->taint=clone_image->taint;
 186   image->progress_monitor=clone_image->progress_monitor;
 187   image->client_data=clone_image->client_data;
 188   image->start_loop=clone_image->start_loop;
 189   image->error=clone_image->error;
 190   image->signature=clone_image->signature;
 191   if (clone_image->properties != (void *) NULL)
 192     {
 193       if (image->properties != (void *) NULL)
 194         DestroyImageProperties(image);
 195       image->properties=CloneSplayTree((SplayTreeInfo *)
 196         clone_image->properties,(void *(*)(void *)) ConstantString,
 197         (void *(*)(void *)) ConstantString);
 198     }
 199   return(MagickTrue);
 200 }
 201 \f
 202 /*
 203 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 204 %                                                                             %
 205 %                                                                             %
 206 %                                                                             %
 207 %   D e f i n e I m a g e P r o p e r t y                                     %
 208 %                                                                             %
 209 %                                                                             %
 210 %                                                                             %
 211 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 212 %
 213 %  DefineImageProperty() associates an assignment string of the form
 214 %  "key=value" with an artifact or options. It is equivelent to
 215 %  SetImageProperty()
 216 %
 217 %  The format of the DefineImageProperty method is:
 218 %
 219 %      MagickBooleanType DefineImageProperty(Image *image,const char *property,
 220 %        ExceptionInfo *exception)
 221 %
 222 %  A description of each parameter follows:
 223 %
 224 %    o image: the image.
 225 %
 226 %    o property: the image property.
 227 %
 228 %    o exception: return any errors or warnings in this structure.
 229 %
 230 */
 231 MagickExport MagickBooleanType DefineImageProperty(Image *image,
 232   const char *property,ExceptionInfo *exception)
 233 {
 234   char
 235     key[MaxTextExtent],
 236     value[MaxTextExtent];
 237
 238   register char
 239     *p;
 240
 241   assert(image != (Image *) NULL);
 242   assert(property != (const char *) NULL);
 243   (void) CopyMagickString(key,property,MaxTextExtent-1);
 244   for (p=key; *p != '\0'; p++)
 245     if (*p == '=')
 246       break;
 247   *value='\0';
 248   if (*p == '=')
 249     (void) CopyMagickString(value,p+1,MaxTextExtent);
 250   *p='\0';
 251   return(SetImageProperty(image,key,value,exception));
 252 }
 253 \f
 254 /*
 255 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 256 %                                                                             %
 257 %                                                                             %
 258 %                                                                             %
 259 %   D e l e t e I m a g e P r o p e r t y                                     %
 260 %                                                                             %
 261 %                                                                             %
 262 %                                                                             %
 263 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 264 %
 265 %  DeleteImageProperty() deletes an image property.
 266 %
 267 %  The format of the DeleteImageProperty method is:
 268 %
 269 %      MagickBooleanType DeleteImageProperty(Image *image,const char *property)
 270 %
 271 %  A description of each parameter follows:
 272 %
 273 %    o image: the image.
 274 %
 275 %    o property: the image property.
 276 %
 277 */
 278 MagickExport MagickBooleanType DeleteImageProperty(Image *image,
 279   const char *property)
 280 {
 281   assert(image != (Image *) NULL);
 282   assert(image->signature == MagickSignature);
 283   if( IfMagickTrue(image->debug) )
 284     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 285       image->filename);
 286   if (image->properties == (void *) NULL)
 287     return(MagickFalse);
 288   return(DeleteNodeFromSplayTree((SplayTreeInfo *) image->properties,property));
 289 }
 290 \f
 291 /*
 292 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 293 %                                                                             %
 294 %                                                                             %
 295 %                                                                             %
 296 %   D e s t r o y I m a g e P r o p e r t i e s                               %
 297 %                                                                             %
 298 %                                                                             %
 299 %                                                                             %
 300 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 301 %
 302 %  DestroyImageProperties() destroys all properties and associated memory
 303 %  attached to the given image.
 304 %
 305 %  The format of the DestroyDefines method is:
 306 %
 307 %      void DestroyImageProperties(Image *image)
 308 %
 309 %  A description of each parameter follows:
 310 %
 311 %    o image: the image.
 312 %
 313 */
 314 MagickExport void DestroyImageProperties(Image *image)
 315 {
 316   assert(image != (Image *) NULL);
 317   assert(image->signature == MagickSignature);
 318   if( IfMagickTrue(image->debug) )
 319     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 320       image->filename);
 321   if (image->properties != (void *) NULL)
 322     image->properties=(void *) DestroySplayTree((SplayTreeInfo *)
 323       image->properties);
 324 }
 325 \f
 326 /*
 327 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 328 %                                                                             %
 329 %                                                                             %
 330 %                                                                             %
 331 %  F o r m a t I m a g e P r o p e r t y                                      %
 332 %                                                                             %
 333 %                                                                             %
 334 %                                                                             %
 335 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 336 %
 337 %  FormatImageProperty() permits formatted property/value pairs to be saved as
 338 %  an image property.
 339 %
 340 %  The format of the FormatImageProperty method is:
 341 %
 342 %      MagickBooleanType FormatImageProperty(Image *image,const char *property,
 343 %        const char *format,...)
 344 %
 345 %  A description of each parameter follows.
 346 %
 347 %   o  image:  The image.
 348 %
 349 %   o  property:  The attribute property.
 350 %
 351 %   o  format:  A string describing the format to use to write the remaining
 352 %      arguments.
 353 %
 354 */
 355 MagickExport MagickBooleanType FormatImageProperty(Image *image,
 356   const char *property,const char *format,...)
 357 {
 358   char
 359     value[MaxTextExtent];
 360
 361   ExceptionInfo
 362     *exception;
 363
 364   MagickBooleanType
 365     status;
 366
 367   ssize_t
 368     n;
 369
 370   va_list
 371     operands;
 372
 373   va_start(operands,format);
 374   n=FormatLocaleStringList(value,MaxTextExtent,format,operands);
 375   (void) n;
 376   va_end(operands);
 377   exception=AcquireExceptionInfo();
 378   status=SetImageProperty(image,property,value,exception);
 379   exception=DestroyExceptionInfo(exception);
 380   return(status);
 381 }
 382 \f
 383 /*
 384 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 385 %                                                                             %
 386 %                                                                             %
 387 %                                                                             %
 388 %   G e t I m a g e P r o p e r t y                                           %
 389 %                                                                             %
 390 %                                                                             %
 391 %                                                                             %
 392 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 393 %
 394 %  GetImageProperty() gets a value associated with an image property.
 395 %
 396 %  This includes,  profile prefixes, such as "exif:", "iptc:" and "8bim:"
 397 %  It does not handle non-prifile prefixes, such as "fx:", "option:", or
 398 %  "artifact:".
 399 %
 400 %  The returned string is stored as a properity of the same name for faster
 401 %  lookup later. It should NOT be freed by the caller.
 402 %
 403 %  The format of the GetImageProperty method is:
 404 %
 405 %      const char *GetImageProperty(const Image *image,const char *key,
 406 %        ExceptionInfo *exception)
 407 %
 408 %  A description of each parameter follows:
 409 %
 410 %    o image: the image.
 411 %
 412 %    o key: the key.
 413 %
 414 %    o exception: return any errors or warnings in this structure.
 415 %
 416 */
 417
 418 static char
 419   *TracePSClippath(const unsigned char *,size_t,const size_t,
 420     const size_t),
 421   *TraceSVGClippath(const unsigned char *,size_t,const size_t,
 422     const size_t);
 423
 424 static MagickBooleanType GetIPTCProperty(const Image *image,const char *key,
 425   ExceptionInfo *exception)
 426 {
 427   char
 428     *attribute,
 429     *message;
 430
 431   const StringInfo
 432     *profile;
 433
 434   long
 435     count,
 436     dataset,
 437     record;
 438
 439   register ssize_t
 440     i;
 441
 442   size_t
 443     length;
 444
 445   profile=GetImageProfile(image,"iptc");
 446   if (profile == (StringInfo *) NULL)
 447     profile=GetImageProfile(image,"8bim");
 448   if (profile == (StringInfo *) NULL)
 449     return(MagickFalse);
 450   count=sscanf(key,"IPTC:%ld:%ld",&dataset,&record);
 451   if (count != 2)
 452     return(MagickFalse);
 453   attribute=(char *) NULL;
 454   for (i=0; i < (ssize_t) GetStringInfoLength(profile); i+=(ssize_t) length)
 455   {
 456     length=1;
 457     if ((ssize_t) GetStringInfoDatum(profile)[i] != 0x1c)
 458       continue;
 459     length=(size_t) (GetStringInfoDatum(profile)[i+3] << 8);
 460     length|=GetStringInfoDatum(profile)[i+4];
 461     if (((long) GetStringInfoDatum(profile)[i+1] == dataset) &&
 462         ((long) GetStringInfoDatum(profile)[i+2] == record))
 463       {
 464         message=(char *) NULL;
 465         if (~length >= 1)
 466           message=(char *) AcquireQuantumMemory(length+1UL,sizeof(*message));
 467         if (message != (char *) NULL)
 468           {
 469             (void) CopyMagickString(message,(char *) GetStringInfoDatum(
 470               profile)+i+5,length+1);
 471             (void) ConcatenateString(&attribute,message);
 472             (void) ConcatenateString(&attribute,";");
 473             message=DestroyString(message);
 474           }
 475       }
 476     i+=5;
 477   }
 478   if ((attribute == (char *) NULL) || (*attribute == ';'))
 479     {
 480       if (attribute != (char *) NULL)
 481         attribute=DestroyString(attribute);
 482       return(MagickFalse);
 483     }
 484   attribute[strlen(attribute)-1]='\0';
 485   (void) SetImageProperty((Image *) image,key,(const char *) attribute,
 486     exception);
 487   attribute=DestroyString(attribute);
 488   return(MagickTrue);
 489 }
 490
 491 static inline ssize_t MagickMax(const ssize_t x,const ssize_t y)
 492 {
 493   if (x > y)
 494     return(x);
 495   return(y);
 496 }
 497
 498 static inline ssize_t MagickMin(const ssize_t x,const ssize_t y)
 499 {
 500   if (x < y)
 501     return(x);
 502   return(y);
 503 }
 504
 505 static inline int ReadPropertyByte(const unsigned char **p,size_t *length)
 506 {
 507   int
 508     c;
 509
 510   if (*length < 1)
 511     return(EOF);
 512   c=(int) (*(*p)++);
 513   (*length)--;
 514   return(c);
 515 }
 516
 517 static inline size_t ReadPropertyMSBLong(const unsigned char **p,
 518   size_t *length)
 519 {
 520   int
 521     c;
 522
 523   register ssize_t
 524     i;
 525
 526   unsigned char
 527     buffer[4];
 528
 529   size_t
 530     value;
 531
 532   if (*length < 4)
 533     return(~0UL);
 534   for (i=0; i < 4; i++)
 535   {
 536     c=(int) (*(*p)++);
 537     (*length)--;
 538     buffer[i]=(unsigned char) c;
 539   }
 540   value=(size_t) (buffer[0] << 24);
 541   value|=buffer[1] << 16;
 542   value|=buffer[2] << 8;
 543   value|=buffer[3];
 544   return(value & 0xffffffff);
 545 }
 546
 547 static inline unsigned short ReadPropertyMSBShort(const unsigned char **p,
 548   size_t *length)
 549 {
 550   int
 551     c;
 552
 553   register ssize_t
 554     i;
 555
 556   unsigned char
 557     buffer[2];
 558
 559   unsigned short
 560     value;
 561
 562   if (*length < 2)
 563     return((unsigned short) ~0);
 564   for (i=0; i < 2; i++)
 565   {
 566     c=(int) (*(*p)++);
 567     (*length)--;
 568     buffer[i]=(unsigned char) c;
 569   }
 570   value=(unsigned short) (buffer[0] << 8);
 571   value|=buffer[1];
 572   return((unsigned short) (value & 0xffff));
 573 }
 574
 575 static MagickBooleanType Get8BIMProperty(const Image *image,const char *key,
 576   ExceptionInfo *exception)
 577 {
 578   char
 579     *attribute,
 580     format[MaxTextExtent],
 581     name[MaxTextExtent],
 582     *resource;
 583
 584   const StringInfo
 585     *profile;
 586
 587   const unsigned char
 588     *info;
 589
 590   long
 591     start,
 592     stop;
 593
 594   MagickBooleanType
 595     status;
 596
 597   register ssize_t
 598     i;
 599
 600   ssize_t
 601     count,
 602     id,
 603     sub_number;
 604
 605   size_t
 606     length;
 607
 608   /*
 609     There are no newlines in path names, so it's safe as terminator.
 610   */
 611   profile=GetImageProfile(image,"8bim");
 612   if (profile == (StringInfo *) NULL)
 613     return(MagickFalse);
 614   count=(ssize_t) sscanf(key,"8BIM:%ld,%ld:%[^\n]\n%[^\n]",&start,&stop,name,
 615     format);
 616   if ((count != 2) && (count != 3) && (count != 4))
 617     return(MagickFalse);
 618   if (count < 4)
 619     (void) CopyMagickString(format,"SVG",MaxTextExtent);
 620   if (count < 3)
 621     *name='\0';
 622   sub_number=1;
 623   if (*name == '#')
 624     sub_number=(ssize_t) StringToLong(&name[1]);
 625   sub_number=MagickMax(sub_number,1L);
 626   resource=(char *) NULL;
 627   status=MagickFalse;
 628   length=GetStringInfoLength(profile);
 629   info=GetStringInfoDatum(profile);
 630   while ((length > 0) && IfMagickFalse(status))
 631   {
 632     if (ReadPropertyByte(&info,&length) != (unsigned char) '8')
 633       continue;
 634     if (ReadPropertyByte(&info,&length) != (unsigned char) 'B')
 635       continue;
 636     if (ReadPropertyByte(&info,&length) != (unsigned char) 'I')
 637       continue;
 638     if (ReadPropertyByte(&info,&length) != (unsigned char) 'M')
 639       continue;
 640     id=(ssize_t) ((int) ReadPropertyMSBShort(&info,&length));
 641     if (id < (ssize_t) start)
 642       continue;
 643     if (id > (ssize_t) stop)
 644       continue;
 645     if (resource != (char *) NULL)
 646       resource=DestroyString(resource);
 647     count=(ssize_t) ReadPropertyByte(&info,&length);
 648     if ((count != 0) && ((size_t) count <= length))
 649       {
 650         resource=(char *) NULL;
 651         if (~((size_t) count) >= (MaxTextExtent-1))
 652           resource=(char *) AcquireQuantumMemory((size_t) count+MaxTextExtent,
 653             sizeof(*resource));
 654         if (resource != (char *) NULL)
 655           {
 656             for (i=0; i < (ssize_t) count; i++)
 657               resource[i]=(char) ReadPropertyByte(&info,&length);
 658             resource[count]='\0';
 659           }
 660       }
 661     if ((count & 0x01) == 0)
 662       (void) ReadPropertyByte(&info,&length);
 663     count=(ssize_t) ((int) ReadPropertyMSBLong(&info,&length));
 664     if ((*name != '\0') && (*name != '#'))
 665       if ((resource == (char *) NULL) || (LocaleCompare(name,resource) != 0))
 666         {
 667           /*
 668             No name match, scroll forward and try next.
 669           */
 670           info+=count;
 671           length-=MagickMin(count,(ssize_t) length);
 672           continue;
 673         }
 674     if ((*name == '#') && (sub_number != 1))
 675       {
 676         /*
 677           No numbered match, scroll forward and try next.
 678         */
 679         sub_number--;
 680         info+=count;
 681         length-=MagickMin(count,(ssize_t) length);
 682         continue;
 683       }
 684     /*
 685       We have the resource of interest.
 686     */
 687     attribute=(char *) NULL;
 688     if (~((size_t) count) >= (MaxTextExtent-1))
 689       attribute=(char *) AcquireQuantumMemory((size_t) count+MaxTextExtent,
 690         sizeof(*attribute));
 691     if (attribute != (char *) NULL)
 692       {
 693         (void) CopyMagickMemory(attribute,(char *) info,(size_t) count);
 694         attribute[count]='\0';
 695         info+=count;
 696         length-=MagickMin(count,(ssize_t) length);
 697         if ((id <= 1999) || (id >= 2999))
 698           (void) SetImageProperty((Image *) image,key,(const char *)
 699             attribute,exception);
 700         else
 701           {
 702             char
 703               *path;
 704
 705             if (LocaleCompare(format,"svg") == 0)
 706               path=TraceSVGClippath((unsigned char *) attribute,(size_t) count,
 707                 image->columns,image->rows);
 708             else
 709               path=TracePSClippath((unsigned char *) attribute,(size_t) count,
 710                 image->columns,image->rows);
 711             (void) SetImageProperty((Image *) image,key,(const char *) path,
 712               exception);
 713             path=DestroyString(path);
 714           }
 715         attribute=DestroyString(attribute);
 716         status=MagickTrue;
 717       }
 718   }
 719   if (resource != (char *) NULL)
 720     resource=DestroyString(resource);
 721   return(status);
 722 }
 723
 724 static inline unsigned short ReadPropertyShort(const EndianType endian,
 725   const unsigned char *buffer)
 726 {
 727   unsigned short
 728     value;
 729
 730   if (endian == LSBEndian)
 731     {
 732       value=(unsigned short) ((buffer[1] << 8) | buffer[0]);
 733       return((unsigned short) (value & 0xffff));
 734     }
 735   value=(unsigned short) ((((unsigned char *) buffer)[0] << 8) |
 736     ((unsigned char *) buffer)[1]);
 737   return((unsigned short) (value & 0xffff));
 738 }
 739
 740 static inline size_t ReadPropertyLong(const EndianType endian,
 741   const unsigned char *buffer)
 742 {
 743   size_t
 744     value;
 745
 746   if (endian == LSBEndian)
 747     {
 748       value=(size_t) ((buffer[3] << 24) | (buffer[2] << 16) |
 749         (buffer[1] << 8 ) | (buffer[0]));
 750       return((size_t) (value & 0xffffffff));
 751     }
 752   value=(size_t) ((buffer[0] << 24) | (buffer[1] << 16) |
 753     (buffer[2] << 8) | buffer[3]);
 754   return((size_t) (value & 0xffffffff));
 755 }
 756
 757 static MagickBooleanType GetEXIFProperty(const Image *image,
 758   const char *property,ExceptionInfo *exception)
 759 {
 760 #define MaxDirectoryStack  16
 761 #define EXIF_DELIMITER  "\n"
 762 #define EXIF_NUM_FORMATS  12
 763 #define EXIF_FMT_BYTE  1
 764 #define EXIF_FMT_STRING  2
 765 #define EXIF_FMT_USHORT  3
 766 #define EXIF_FMT_ULONG  4
 767 #define EXIF_FMT_URATIONAL  5
 768 #define EXIF_FMT_SBYTE  6
 769 #define EXIF_FMT_UNDEFINED  7
 770 #define EXIF_FMT_SSHORT  8
 771 #define EXIF_FMT_SLONG  9
 772 #define EXIF_FMT_SRATIONAL  10
 773 #define EXIF_FMT_SINGLE  11
 774 #define EXIF_FMT_DOUBLE  12
 775 #define TAG_EXIF_OFFSET  0x8769
 776 #define TAG_GPS_OFFSET  0x8825
 777 #define TAG_INTEROP_OFFSET  0xa005
 778
 779 #define EXIFMultipleValues(size,format,arg) \
 780 { \
 781    ssize_t \
 782      component; \
 783  \
 784    size_t \
 785      length; \
 786  \
 787    unsigned char \
 788      *p1; \
 789  \
 790    length=0; \
 791    p1=p; \
 792    for (component=0; component < components; component++) \
 793    { \
 794      length+=FormatLocaleString(buffer+length,MaxTextExtent-length, \
 795        format", ",arg); \
 796      if (length >= (MaxTextExtent-1)) \
 797        length=MaxTextExtent-1; \
 798      p1+=size; \
 799    } \
 800    if (length > 1) \
 801      buffer[length-2]='\0'; \
 802    value=AcquireString(buffer); \
 803 }
 804
 805 #define EXIFMultipleFractions(size,format,arg1,arg2) \
 806 { \
 807    ssize_t \
 808      component; \
 809  \
 810    size_t \
 811      length; \
 812  \
 813    unsigned char \
 814      *p1; \
 815  \
 816    length=0; \
 817    p1=p; \
 818    for (component=0; component < components; component++) \
 819    { \
 820      length+=FormatLocaleString(buffer+length,MaxTextExtent-length, \
 821        format", ",(arg1),(arg2)); \
 822      if (length >= (MaxTextExtent-1)) \
 823        length=MaxTextExtent-1; \
 824      p1+=size; \
 825    } \
 826    if (length > 1) \
 827      buffer[length-2]='\0'; \
 828    value=AcquireString(buffer); \
 829 }
 830
 831   typedef struct _DirectoryInfo
 832   {
 833     const unsigned char
 834       *directory;
 835
 836     size_t
 837       entry;
 838
 839     ssize_t
 840       offset;
 841   } DirectoryInfo;
 842
 843   typedef struct _TagInfo
 844   {
 845     size_t
 846       tag;
 847
 848     const char
 849       *description;
 850   } TagInfo;
 851
 852   static TagInfo
 853     EXIFTag[] =
 854     {
 855       {  0x001, "exif:InteroperabilityIndex" },
 856       {  0x002, "exif:InteroperabilityVersion" },
 857       {  0x100, "exif:ImageWidth" },
 858       {  0x101, "exif:ImageLength" },
 859       {  0x102, "exif:BitsPerSample" },
 860       {  0x103, "exif:Compression" },
 861       {  0x106, "exif:PhotometricInterpretation" },
 862       {  0x10a, "exif:FillOrder" },
 863       {  0x10d, "exif:DocumentName" },
 864       {  0x10e, "exif:ImageDescription" },
 865       {  0x10f, "exif:Make" },
 866       {  0x110, "exif:Model" },
 867       {  0x111, "exif:StripOffsets" },
 868       {  0x112, "exif:Orientation" },
 869       {  0x115, "exif:SamplesPerPixel" },
 870       {  0x116, "exif:RowsPerStrip" },
 871       {  0x117, "exif:StripByteCounts" },
 872       {  0x11a, "exif:XResolution" },
 873       {  0x11b, "exif:YResolution" },
 874       {  0x11c, "exif:PlanarConfiguration" },
 875       {  0x11d, "exif:PageName" },
 876       {  0x11e, "exif:XPosition" },
 877       {  0x11f, "exif:YPosition" },
 878       {  0x118, "exif:MinSampleValue" },
 879       {  0x119, "exif:MaxSampleValue" },
 880       {  0x120, "exif:FreeOffsets" },
 881       {  0x121, "exif:FreeByteCounts" },
 882       {  0x122, "exif:GrayResponseUnit" },
 883       {  0x123, "exif:GrayResponseCurve" },
 884       {  0x124, "exif:T4Options" },
 885       {  0x125, "exif:T6Options" },
 886       {  0x128, "exif:ResolutionUnit" },
 887       {  0x12d, "exif:TransferFunction" },
 888       {  0x131, "exif:Software" },
 889       {  0x132, "exif:DateTime" },
 890       {  0x13b, "exif:Artist" },
 891       {  0x13e, "exif:WhitePoint" },
 892       {  0x13f, "exif:PrimaryChromaticities" },
 893       {  0x140, "exif:ColorMap" },
 894       {  0x141, "exif:HalfToneHints" },
 895       {  0x142, "exif:TileWidth" },
 896       {  0x143, "exif:TileLength" },
 897       {  0x144, "exif:TileOffsets" },
 898       {  0x145, "exif:TileByteCounts" },
 899       {  0x14a, "exif:SubIFD" },
 900       {  0x14c, "exif:InkSet" },
 901       {  0x14d, "exif:InkNames" },
 902       {  0x14e, "exif:NumberOfInks" },
 903       {  0x150, "exif:DotRange" },
 904       {  0x151, "exif:TargetPrinter" },
 905       {  0x152, "exif:ExtraSample" },
 906       {  0x153, "exif:SampleFormat" },
 907       {  0x154, "exif:SMinSampleValue" },
 908       {  0x155, "exif:SMaxSampleValue" },
 909       {  0x156, "exif:TransferRange" },
 910       {  0x157, "exif:ClipPath" },
 911       {  0x158, "exif:XClipPathUnits" },
 912       {  0x159, "exif:YClipPathUnits" },
 913       {  0x15a, "exif:Indexed" },
 914       {  0x15b, "exif:JPEGTables" },
 915       {  0x15f, "exif:OPIProxy" },
 916       {  0x200, "exif:JPEGProc" },
 917       {  0x201, "exif:JPEGInterchangeFormat" },
 918       {  0x202, "exif:JPEGInterchangeFormatLength" },
 919       {  0x203, "exif:JPEGRestartInterval" },
 920       {  0x205, "exif:JPEGLosslessPredictors" },
 921       {  0x206, "exif:JPEGPointTransforms" },
 922       {  0x207, "exif:JPEGQTables" },
 923       {  0x208, "exif:JPEGDCTables" },
 924       {  0x209, "exif:JPEGACTables" },
 925       {  0x211, "exif:YCbCrCoefficients" },
 926       {  0x212, "exif:YCbCrSubSampling" },
 927       {  0x213, "exif:YCbCrPositioning" },
 928       {  0x214, "exif:ReferenceBlackWhite" },
 929       {  0x2bc, "exif:ExtensibleMetadataPlatform" },
 930       {  0x301, "exif:Gamma" },
 931       {  0x302, "exif:ICCProfileDescriptor" },
 932       {  0x303, "exif:SRGBRenderingIntent" },
 933       {  0x320, "exif:ImageTitle" },
 934       {  0x5001, "exif:ResolutionXUnit" },
 935       {  0x5002, "exif:ResolutionYUnit" },
 936       {  0x5003, "exif:ResolutionXLengthUnit" },
 937       {  0x5004, "exif:ResolutionYLengthUnit" },
 938       {  0x5005, "exif:PrintFlags" },
 939       {  0x5006, "exif:PrintFlagsVersion" },
 940       {  0x5007, "exif:PrintFlagsCrop" },
 941       {  0x5008, "exif:PrintFlagsBleedWidth" },
 942       {  0x5009, "exif:PrintFlagsBleedWidthScale" },
 943       {  0x500A, "exif:HalftoneLPI" },
 944       {  0x500B, "exif:HalftoneLPIUnit" },
 945       {  0x500C, "exif:HalftoneDegree" },
 946       {  0x500D, "exif:HalftoneShape" },
 947       {  0x500E, "exif:HalftoneMisc" },
 948       {  0x500F, "exif:HalftoneScreen" },
 949       {  0x5010, "exif:JPEGQuality" },
 950       {  0x5011, "exif:GridSize" },
 951       {  0x5012, "exif:ThumbnailFormat" },
 952       {  0x5013, "exif:ThumbnailWidth" },
 953       {  0x5014, "exif:ThumbnailHeight" },
 954       {  0x5015, "exif:ThumbnailColorDepth" },
 955       {  0x5016, "exif:ThumbnailPlanes" },
 956       {  0x5017, "exif:ThumbnailRawBytes" },
 957       {  0x5018, "exif:ThumbnailSize" },
 958       {  0x5019, "exif:ThumbnailCompressedSize" },
 959       {  0x501a, "exif:ColorTransferFunction" },
 960       {  0x501b, "exif:ThumbnailData" },
 961       {  0x5020, "exif:ThumbnailImageWidth" },
 962       {  0x5021, "exif:ThumbnailImageHeight" },
 963       {  0x5022, "exif:ThumbnailBitsPerSample" },
 964       {  0x5023, "exif:ThumbnailCompression" },
 965       {  0x5024, "exif:ThumbnailPhotometricInterp" },
 966       {  0x5025, "exif:ThumbnailImageDescription" },
 967       {  0x5026, "exif:ThumbnailEquipMake" },
 968       {  0x5027, "exif:ThumbnailEquipModel" },
 969       {  0x5028, "exif:ThumbnailStripOffsets" },
 970       {  0x5029, "exif:ThumbnailOrientation" },
 971       {  0x502a, "exif:ThumbnailSamplesPerPixel" },
 972       {  0x502b, "exif:ThumbnailRowsPerStrip" },
 973       {  0x502c, "exif:ThumbnailStripBytesCount" },
 974       {  0x502d, "exif:ThumbnailResolutionX" },
 975       {  0x502e, "exif:ThumbnailResolutionY" },
 976       {  0x502f, "exif:ThumbnailPlanarConfig" },
 977       {  0x5030, "exif:ThumbnailResolutionUnit" },
 978       {  0x5031, "exif:ThumbnailTransferFunction" },
 979       {  0x5032, "exif:ThumbnailSoftwareUsed" },
 980       {  0x5033, "exif:ThumbnailDateTime" },
 981       {  0x5034, "exif:ThumbnailArtist" },
 982       {  0x5035, "exif:ThumbnailWhitePoint" },
 983       {  0x5036, "exif:ThumbnailPrimaryChromaticities" },
 984       {  0x5037, "exif:ThumbnailYCbCrCoefficients" },
 985       {  0x5038, "exif:ThumbnailYCbCrSubsampling" },
 986       {  0x5039, "exif:ThumbnailYCbCrPositioning" },
 987       {  0x503A, "exif:ThumbnailRefBlackWhite" },
 988       {  0x503B, "exif:ThumbnailCopyRight" },
 989       {  0x5090, "exif:LuminanceTable" },
 990       {  0x5091, "exif:ChrominanceTable" },
 991       {  0x5100, "exif:FrameDelay" },
 992       {  0x5101, "exif:LoopCount" },
 993       {  0x5110, "exif:PixelUnit" },
 994       {  0x5111, "exif:PixelPerUnitX" },
 995       {  0x5112, "exif:PixelPerUnitY" },
 996       {  0x5113, "exif:PaletteHistogram" },
 997       {  0x1000, "exif:RelatedImageFileFormat" },
 998       {  0x1001, "exif:RelatedImageLength" },
 999       {  0x1002, "exif:RelatedImageWidth" },
1000       {  0x800d, "exif:ImageID" },
1001       {  0x80e3, "exif:Matteing" },
1002       {  0x80e4, "exif:DataType" },
1003       {  0x80e5, "exif:ImageDepth" },
1004       {  0x80e6, "exif:TileDepth" },
1005       {  0x828d, "exif:CFARepeatPatternDim" },
1006       {  0x828e, "exif:CFAPattern2" },
1007       {  0x828f, "exif:BatteryLevel" },
1008       {  0x8298, "exif:Copyright" },
1009       {  0x829a, "exif:ExposureTime" },
1010       {  0x829d, "exif:FNumber" },
1011       {  0x83bb, "exif:IPTC/NAA" },
1012       {  0x84e3, "exif:IT8RasterPadding" },
1013       {  0x84e5, "exif:IT8ColorTable" },
1014       {  0x8649, "exif:ImageResourceInformation" },
1015       {  0x8769, "exif:ExifOffset" },
1016       {  0x8773, "exif:InterColorProfile" },
1017       {  0x8822, "exif:ExposureProgram" },
1018       {  0x8824, "exif:SpectralSensitivity" },
1019       {  0x8825, "exif:GPSInfo" },
1020       {  0x8827, "exif:ISOSpeedRatings" },
1021       {  0x8828, "exif:OECF" },
1022       {  0x8829, "exif:Interlace" },
1023       {  0x882a, "exif:TimeZoneOffset" },
1024       {  0x882b, "exif:SelfTimerMode" },
1025       {  0x9000, "exif:ExifVersion" },
1026       {  0x9003, "exif:DateTimeOriginal" },
1027       {  0x9004, "exif:DateTimeDigitized" },
1028       {  0x9101, "exif:ComponentsConfiguration" },
1029       {  0x9102, "exif:CompressedBitsPerPixel" },
1030       {  0x9201, "exif:ShutterSpeedValue" },
1031       {  0x9202, "exif:ApertureValue" },
1032       {  0x9203, "exif:BrightnessValue" },
1033       {  0x9204, "exif:ExposureBiasValue" },
1034       {  0x9205, "exif:MaxApertureValue" },
1035       {  0x9206, "exif:SubjectDistance" },
1036       {  0x9207, "exif:MeteringMode" },
1037       {  0x9208, "exif:LightSource" },
1038       {  0x9209, "exif:Flash" },
1039       {  0x920a, "exif:FocalLength" },
1040       {  0x920b, "exif:FlashEnergy" },
1041       {  0x920c, "exif:SpatialFrequencyResponse" },
1042       {  0x920d, "exif:Noise" },
1043       {  0x9211, "exif:ImageNumber" },
1044       {  0x9212, "exif:SecurityClassification" },
1045       {  0x9213, "exif:ImageHistory" },
1046       {  0x9214, "exif:SubjectArea" },
1047       {  0x9215, "exif:ExposureIndex" },
1048       {  0x9216, "exif:TIFF-EPStandardID" },
1049       {  0x927c, "exif:MakerNote" },
1050       {  0x9C9b, "exif:WinXP-Title" },
1051       {  0x9C9c, "exif:WinXP-Comments" },
1052       {  0x9C9d, "exif:WinXP-Author" },
1053       {  0x9C9e, "exif:WinXP-Keywords" },
1054       {  0x9C9f, "exif:WinXP-Subject" },
1055       {  0x9286, "exif:UserComment" },
1056       {  0x9290, "exif:SubSecTime" },
1057       {  0x9291, "exif:SubSecTimeOriginal" },
1058       {  0x9292, "exif:SubSecTimeDigitized" },
1059       {  0xa000, "exif:FlashPixVersion" },
1060       {  0xa001, "exif:ColorSpace" },
1061       {  0xa002, "exif:ExifImageWidth" },
1062       {  0xa003, "exif:ExifImageLength" },
1063       {  0xa004, "exif:RelatedSoundFile" },
1064       {  0xa005, "exif:InteroperabilityOffset" },
1065       {  0xa20b, "exif:FlashEnergy" },
1066       {  0xa20c, "exif:SpatialFrequencyResponse" },
1067       {  0xa20d, "exif:Noise" },
1068       {  0xa20e, "exif:FocalPlaneXResolution" },
1069       {  0xa20f, "exif:FocalPlaneYResolution" },
1070       {  0xa210, "exif:FocalPlaneResolutionUnit" },
1071       {  0xa214, "exif:SubjectLocation" },
1072       {  0xa215, "exif:ExposureIndex" },
1073       {  0xa216, "exif:TIFF/EPStandardID" },
1074       {  0xa217, "exif:SensingMethod" },
1075       {  0xa300, "exif:FileSource" },
1076       {  0xa301, "exif:SceneType" },
1077       {  0xa302, "exif:CFAPattern" },
1078       {  0xa401, "exif:CustomRendered" },
1079       {  0xa402, "exif:ExposureMode" },
1080       {  0xa403, "exif:WhiteBalance" },
1081       {  0xa404, "exif:DigitalZoomRatio" },
1082       {  0xa405, "exif:FocalLengthIn35mmFilm" },
1083       {  0xa406, "exif:SceneCaptureType" },
1084       {  0xa407, "exif:GainControl" },
1085       {  0xa408, "exif:Contrast" },
1086       {  0xa409, "exif:Saturation" },
1087       {  0xa40a, "exif:Sharpness" },
1088       {  0xa40b, "exif:DeviceSettingDescription" },
1089       {  0xa40c, "exif:SubjectDistanceRange" },
1090       {  0xa420, "exif:ImageUniqueID" },
1091       {  0xc4a5, "exif:PrintImageMatching" },
1092       {  0xa500, "exif:Gamma" },
1093       {  0xc640, "exif:CR2Slice" },
1094       { 0x10000, "exif:GPSVersionID" },
1095       { 0x10001, "exif:GPSLatitudeRef" },
1096       { 0x10002, "exif:GPSLatitude" },
1097       { 0x10003, "exif:GPSLongitudeRef" },
1098       { 0x10004, "exif:GPSLongitude" },
1099       { 0x10005, "exif:GPSAltitudeRef" },
1100       { 0x10006, "exif:GPSAltitude" },
1101       { 0x10007, "exif:GPSTimeStamp" },
1102       { 0x10008, "exif:GPSSatellites" },
1103       { 0x10009, "exif:GPSStatus" },
1104       { 0x1000a, "exif:GPSMeasureMode" },
1105       { 0x1000b, "exif:GPSDop" },
1106       { 0x1000c, "exif:GPSSpeedRef" },
1107       { 0x1000d, "exif:GPSSpeed" },
1108       { 0x1000e, "exif:GPSTrackRef" },
1109       { 0x1000f, "exif:GPSTrack" },
1110       { 0x10010, "exif:GPSImgDirectionRef" },
1111       { 0x10011, "exif:GPSImgDirection" },
1112       { 0x10012, "exif:GPSMapDatum" },
1113       { 0x10013, "exif:GPSDestLatitudeRef" },
1114       { 0x10014, "exif:GPSDestLatitude" },
1115       { 0x10015, "exif:GPSDestLongitudeRef" },
1116       { 0x10016, "exif:GPSDestLongitude" },
1117       { 0x10017, "exif:GPSDestBearingRef" },
1118       { 0x10018, "exif:GPSDestBearing" },
1119       { 0x10019, "exif:GPSDestDistanceRef" },
1120       { 0x1001a, "exif:GPSDestDistance" },
1121       { 0x1001b, "exif:GPSProcessingMethod" },
1122       { 0x1001c, "exif:GPSAreaInformation" },
1123       { 0x1001d, "exif:GPSDateStamp" },
1124       { 0x1001e, "exif:GPSDifferential" },
1125       { 0x00000, (const char *) NULL }
1126     };
1127
1128   const StringInfo
1129     *profile;
1130
1131   const unsigned char
1132     *directory,
1133     *exif;
1134
1135   DirectoryInfo
1136     directory_stack[MaxDirectoryStack];
1137
1138   EndianType
1139     endian;
1140
1141   MagickBooleanType
1142     status;
1143
1144   register ssize_t
1145     i;
1146
1147   size_t
1148     entry,
1149     length,
1150     number_entries,
1151     tag;
1152
1153   SplayTreeInfo
1154     *exif_resources;
1155
1156   ssize_t
1157     all,
1158     id,
1159     level,
1160     offset,
1161     tag_offset,
1162     tag_value;
1163
1164   static int
1165     tag_bytes[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8};
1166
1167   /*
1168     If EXIF data exists, then try to parse the request for a tag.
1169   */
1170   profile=GetImageProfile(image,"exif");
1171   if (profile == (StringInfo *) NULL)
1172     return(MagickFalse);
1173   if ((property == (const char *) NULL) || (*property == '\0'))
1174     return(MagickFalse);
1175   while (isspace((int) ((unsigned char) *property)) != 0)
1176     property++;
1177   all=0;
1178   tag=(~0UL);
1179   switch (*(property+5))
1180   {
1181     case '*':
1182     {
1183       /*
1184         Caller has asked for all the tags in the EXIF data.
1185       */
1186       tag=0;
1187       all=1; /* return the data in description=value format */
1188       break;
1189     }
1190     case '!':
1191     {
1192       tag=0;
1193       all=2; /* return the data in tagid=value format */
1194       break;
1195     }
1196     case '#':
1197     case '@':
1198     {
1199       int
1200         c;
1201
1202       size_t
1203         n;
1204
1205       /*
1206         Check for a hex based tag specification first.
1207       */
1208       tag=(*(property+5) == '@') ? 1UL : 0UL;
1209       property+=6;
1210       n=strlen(property);
1211       if (n != 4)
1212         return(MagickFalse);
1213       /*
1214         Parse tag specification as a hex number.
1215       */
1216       n/=4;
1217       do
1218       {
1219         for (i=(ssize_t) n-1L; i >= 0; i--)
1220         {
1221           c=(*property++);
1222           tag<<=4;
1223           if ((c >= '0') && (c <= '9'))
1224             tag|=(c-'0');
1225           else
1226             if ((c >= 'A') && (c <= 'F'))
1227               tag|=(c-('A'-10));
1228             else
1229               if ((c >= 'a') && (c <= 'f'))
1230                 tag|=(c-('a'-10));
1231               else
1232                 return(MagickFalse);
1233         }
1234       } while (*property != '\0');
1235       break;
1236     }
1237     default:
1238     {
1239       /*
1240         Try to match the text with a tag name instead.
1241       */
1242       for (i=0; ; i++)
1243       {
1244         if (EXIFTag[i].tag == 0)
1245           break;
1246         if (LocaleCompare(EXIFTag[i].description,property) == 0)
1247           {
1248             tag=(size_t) EXIFTag[i].tag;
1249             break;
1250           }
1251       }
1252       break;
1253     }
1254   }
1255   if (tag == (~0UL))
1256     return(MagickFalse);
1257   length=GetStringInfoLength(profile);
1258   exif=GetStringInfoDatum(profile);
1259   while (length != 0)
1260   {
1261     if (ReadPropertyByte(&exif,&length) != 0x45)
1262       continue;
1263     if (ReadPropertyByte(&exif,&length) != 0x78)
1264       continue;
1265     if (ReadPropertyByte(&exif,&length) != 0x69)
1266       continue;
1267     if (ReadPropertyByte(&exif,&length) != 0x66)
1268       continue;
1269     if (ReadPropertyByte(&exif,&length) != 0x00)
1270       continue;
1271     if (ReadPropertyByte(&exif,&length) != 0x00)
1272       continue;
1273     break;
1274   }
1275   if (length < 16)
1276     return(MagickFalse);
1277   id=(ssize_t) ((int) ReadPropertyShort(LSBEndian,exif));
1278   endian=LSBEndian;
1279   if (id == 0x4949)
1280     endian=LSBEndian;
1281   else
1282     if (id == 0x4D4D)
1283       endian=MSBEndian;
1284     else
1285       return(MagickFalse);
1286   if (ReadPropertyShort(endian,exif+2) != 0x002a)
1287     return(MagickFalse);
1288   /*
1289     This the offset to the first IFD.
1290   */
1291   offset=(ssize_t) ((int) ReadPropertyLong(endian,exif+4));
1292   if ((offset < 0) || (size_t) offset >= length)
1293     return(MagickFalse);
1294   /*
1295     Set the pointer to the first IFD and follow it were it leads.
1296   */
1297   status=MagickFalse;
1298   directory=exif+offset;
1299   level=0;
1300   entry=0;
1301   tag_offset=0;
1302   exif_resources=NewSplayTree((int (*)(const void *,const void *)) NULL,
1303     (void *(*)(void *)) NULL,(void *(*)(void *)) NULL);
1304   do
1305   {
1306     /*
1307       If there is anything on the stack then pop it off.
1308     */
1309     if (level > 0)
1310       {
1311         level--;
1312         directory=directory_stack[level].directory;
1313         entry=directory_stack[level].entry;
1314         tag_offset=directory_stack[level].offset;
1315       }
1316     /*
1317       Determine how many entries there are in the current IFD.
1318     */
1319     number_entries=(size_t) ((int) ReadPropertyShort(endian,directory));
1320     for ( ; entry < number_entries; entry++)
1321     {
1322       register unsigned char
1323         *p,
1324         *q;
1325
1326       size_t
1327         format;
1328
1329       ssize_t
1330         number_bytes,
1331         components;
1332
1333       q=(unsigned char *) (directory+(12*entry)+2);
1334       if (GetValueFromSplayTree(exif_resources,q) == q)
1335         break;
1336       (void) AddValueToSplayTree(exif_resources,q,q);
1337       tag_value=(ssize_t) ((int) ReadPropertyShort(endian,q)+tag_offset);
1338       format=(size_t) ((int) ReadPropertyShort(endian,q+2));
1339       if (format >= (sizeof(tag_bytes)/sizeof(*tag_bytes)))
1340         break;
1341       components=(ssize_t) ((int) ReadPropertyLong(endian,q+4));
1342       number_bytes=(size_t) components*tag_bytes[format];
1343       if (number_bytes < components)
1344         break;  /* prevent overflow */
1345       if (number_bytes <= 4)
1346         p=q+8;
1347       else
1348         {
1349           ssize_t
1350             offset;
1351
1352           /*
1353             The directory entry contains an offset.
1354           */
1355           offset=(ssize_t) ((int) ReadPropertyLong(endian,q+8));
1356           if ((ssize_t) (offset+number_bytes) < offset)
1357             continue;  /* prevent overflow */
1358           if ((size_t) (offset+number_bytes) > length)
1359             continue;
1360           p=(unsigned char *) (exif+offset);
1361         }
1362       if ((all != 0) || (tag == (size_t) tag_value))
1363         {
1364           char
1365             buffer[MaxTextExtent],
1366             *value;
1367
1368           value=(char *) NULL;
1369           *buffer='\0';
1370           switch (format)
1371           {
1372             case EXIF_FMT_BYTE:
1373             case EXIF_FMT_UNDEFINED:
1374             {
1375               EXIFMultipleValues(1,"%.20g",(double) (*(unsigned char *) p1));
1376               break;
1377             }
1378             case EXIF_FMT_SBYTE:
1379             {
1380               EXIFMultipleValues(1,"%.20g",(double) (*(signed char *) p1));
1381               break;
1382             }
1383             case EXIF_FMT_SSHORT:
1384             {
1385               EXIFMultipleValues(2,"%hd",ReadPropertyShort(endian,p1));
1386               break;
1387             }
1388             case EXIF_FMT_USHORT:
1389             {
1390               EXIFMultipleValues(2,"%hu",ReadPropertyShort(endian,p1));
1391               break;
1392             }
1393             case EXIF_FMT_ULONG:
1394             {
1395               EXIFMultipleValues(4,"%.20g",(double)
1396                 ((int) ReadPropertyLong(endian,p1)));
1397               break;
1398             }
1399             case EXIF_FMT_SLONG:
1400             {
1401               EXIFMultipleValues(4,"%.20g",(double)
1402                 ((int) ReadPropertyLong(endian,p1)));
1403               break;
1404             }
1405             case EXIF_FMT_URATIONAL:
1406             {
1407               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1408                 ((int) ReadPropertyLong(endian,p1)),(double)
1409                 ((int) ReadPropertyLong(endian,p1+4)));
1410               break;
1411             }
1412             case EXIF_FMT_SRATIONAL:
1413             {
1414               EXIFMultipleFractions(8,"%.20g/%.20g",(double)
1415                 ((int) ReadPropertyLong(endian,p1)),(double)
1416                 ((int) ReadPropertyLong(endian,p1+4)));
1417               break;
1418             }
1419             case EXIF_FMT_SINGLE:
1420             {
1421               EXIFMultipleValues(4,"%f",(double) *(float *) p1);
1422               break;
1423             }
1424             case EXIF_FMT_DOUBLE:
1425             {
1426               EXIFMultipleValues(8,"%f",*(double *) p1);
1427               break;
1428             }
1429             default:
1430             case EXIF_FMT_STRING:
1431             {
1432               value=(char *) NULL;
1433               if (~((size_t) number_bytes) >= 1)
1434                 value=(char *) AcquireQuantumMemory((size_t) number_bytes+1UL,
1435                   sizeof(*value));
1436               if (value != (char *) NULL)
1437                 {
1438                   register ssize_t
1439                     i;
1440
1441                   for (i=0; i < (ssize_t) number_bytes; i++)
1442                   {
1443                     value[i]='.';
1444                     if ((isprint((int) p[i]) != 0) || (p[i] == '\0'))
1445                       value[i]=(char) p[i];
1446                   }
1447                   value[i]='\0';
1448                 }
1449               break;
1450             }
1451           }
1452           if (value != (char *) NULL)
1453             {
1454               char
1455                 *key;
1456
1457               register const char
1458                 *p;
1459
1460               key=AcquireString(property);
1461               if (level == 2)
1462                 (void) SubstituteString(&key,"exif:","exif:thumbnail:");
1463               switch (all)
1464               {
1465                 case 1:
1466                 {
1467                   const char
1468                     *description;
1469
1470                   register ssize_t
1471                     i;
1472
1473                   description="unknown";
1474                   for (i=0; ; i++)
1475                   {
1476                     if (EXIFTag[i].tag == 0)
1477                       break;
1478                     if ((ssize_t) EXIFTag[i].tag == tag_value)
1479                       {
1480                         description=EXIFTag[i].description;
1481                         break;
1482                       }
1483                   }
1484                   (void) FormatLocaleString(key,MaxTextExtent,"%s",description);
1485                   break;
1486                 }
1487                 case 2:
1488                 {
1489                   if (tag_value < 0x10000)
1490                     (void) FormatLocaleString(key,MaxTextExtent,"#%04lx",
1491                       (unsigned long) tag_value);
1492                   else
1493                     if (tag_value < 0x20000)
1494                       (void) FormatLocaleString(key,MaxTextExtent,"@%04lx",
1495                         (unsigned long) (tag_value & 0xffff));
1496                     else
1497                       (void) FormatLocaleString(key,MaxTextExtent,"unknown");
1498                   break;
1499                 }
1500               }
1501               p=(const char *) NULL;
1502               if (image->properties != (void *) NULL)
1503                 p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
1504                   image->properties,key);
1505               if (p == (const char *) NULL)
1506                 (void) SetImageProperty((Image *) image,key,value,exception);
1507               value=DestroyString(value);
1508               key=DestroyString(key);
1509               status=MagickTrue;
1510             }
1511         }
1512         if ((tag_value == TAG_EXIF_OFFSET) ||
1513             (tag_value == TAG_INTEROP_OFFSET) || (tag_value == TAG_GPS_OFFSET))
1514           {
1515             ssize_t
1516               offset;
1517
1518             offset=(ssize_t) ((int) ReadPropertyLong(endian,p));
1519             if (((size_t) offset < length) && (level < (MaxDirectoryStack-2)))
1520               {
1521                 ssize_t
1522                   tag_offset1;
1523
1524                 tag_offset1=(ssize_t) ((tag_value == TAG_GPS_OFFSET) ? 0x10000 :
1525                   0);
1526                 directory_stack[level].directory=directory;
1527                 entry++;
1528                 directory_stack[level].entry=entry;
1529                 directory_stack[level].offset=tag_offset;
1530                 level++;
1531                 directory_stack[level].directory=exif+offset;
1532                 directory_stack[level].offset=tag_offset1;
1533                 directory_stack[level].entry=0;
1534                 level++;
1535                 if ((directory+2+(12*number_entries)) > (exif+length))
1536                   break;
1537                 offset=(ssize_t) ((int) ReadPropertyLong(endian,directory+2+(12*
1538                   number_entries)));
1539                 if ((offset != 0) && ((size_t) offset < length) &&
1540                     (level < (MaxDirectoryStack-2)))
1541                   {
1542                     directory_stack[level].directory=exif+offset;
1543                     directory_stack[level].entry=0;
1544                     directory_stack[level].offset=tag_offset1;
1545                     level++;
1546                   }
1547               }
1548             break;
1549           }
1550     }
1551   } while (level > 0);
1552   exif_resources=DestroySplayTree(exif_resources);
1553   return(status);
1554 }
1555
1556 static MagickBooleanType GetICCProperty(const Image *image,const char *property,
1557   ExceptionInfo *exception)
1558 {
1559   const StringInfo
1560     *profile;
1561
1562   magick_unreferenced(property);
1563
1564   profile=GetImageProfile(image,"icc");
1565   if (profile == (StringInfo *) NULL)
1566     profile=GetImageProfile(image,"icm");
1567   if (profile == (StringInfo *) NULL)
1568     return(MagickFalse);
1569   if (GetStringInfoLength(profile) < 128)
1570     return(MagickFalse);  /* minimum ICC profile length */
1571 #if defined(MAGICKCORE_LCMS_DELEGATE)
1572   {
1573     cmsHPROFILE
1574       icc_profile;
1575
1576     icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
1577       (cmsUInt32Number) GetStringInfoLength(profile));
1578     if (icc_profile != (cmsHPROFILE *) NULL)
1579       {
1580 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
1581         const char
1582           *name;
1583
1584         name=cmsTakeProductName(icc_profile);
1585         if (name != (const char *) NULL)
1586           (void) SetImageProperty((Image *) image,"icc:name",name,exception);
1587 #else
1588         char
1589           info[MaxTextExtent];
1590
1591         (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,
1592           "en","US",info,MaxTextExtent);
1593         (void) SetImageProperty((Image *) image,"icc:description",info,
1594           exception);
1595         (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoManufacturer,
1596           "en","US",info,MaxTextExtent);
1597         (void) SetImageProperty((Image *) image,"icc:manufacturer",info,
1598           exception);
1599         (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoModel,"en",
1600           "US",info,MaxTextExtent);
1601         (void) SetImageProperty((Image *) image,"icc:model",info,exception);
1602         (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoCopyright,
1603           "en","US",info,MaxTextExtent);
1604         (void) SetImageProperty((Image *) image,"icc:copyright",info,exception);
1605 #endif
1606         (void) cmsCloseProfile(icc_profile);
1607       }
1608   }
1609 #endif
1610   return(MagickTrue);
1611 }
1612
1613 static MagickBooleanType SkipXMPValue(const char *value)
1614 {
1615   if (value == (const char*) NULL)
1616     return(MagickTrue);
1617
1618   while(*value != '\0')
1619   {
1620     if (!isspace((int) ((const char) *value)))
1621       return(MagickFalse);
1622     value++;
1623   }
1624
1625   return(MagickTrue);
1626 }
1627
1628 static MagickBooleanType GetXMPProperty(const Image *image,const char *property)
1629 {
1630   char
1631     *xmp_profile;
1632
1633   const char
1634     *content;
1635
1636   const StringInfo
1637     *profile;
1638
1639   ExceptionInfo
1640     *exception;
1641
1642   MagickBooleanType
1643     status;
1644
1645   register const char
1646     *p;
1647
1648   XMLTreeInfo
1649     *child,
1650     *description,
1651     *node,
1652     *rdf,
1653     *xmp;
1654
1655   profile=GetImageProfile(image,"xmp");
1656   if (profile == (StringInfo *) NULL)
1657     return(MagickFalse);
1658   if ((property == (const char *) NULL) || (*property == '\0'))
1659     return(MagickFalse);
1660   xmp_profile=StringInfoToString(profile);
1661   if (xmp_profile == (char *) NULL)
1662     return(MagickFalse);
1663   for (p=xmp_profile; *p != '\0'; p++)
1664     if ((*p == '<') && (*(p+1) == 'x'))
1665       break;
1666   exception=AcquireExceptionInfo();
1667   xmp=NewXMLTree((char *) p,exception);
1668   xmp_profile=DestroyString(xmp_profile);
1669   exception=DestroyExceptionInfo(exception);
1670   if (xmp == (XMLTreeInfo *) NULL)
1671     return(MagickFalse);
1672   status=MagickFalse;
1673   rdf=GetXMLTreeChild(xmp,"rdf:RDF");
1674   if (rdf != (XMLTreeInfo *) NULL)
1675     {
1676       if (image->properties == (void *) NULL)
1677         ((Image *) image)->properties=NewSplayTree(CompareSplayTreeString,
1678           RelinquishMagickMemory,RelinquishMagickMemory);
1679       description=GetXMLTreeChild(rdf,"rdf:Description");
1680       while (description != (XMLTreeInfo *) NULL)
1681       {
1682         node=GetXMLTreeChild(description,(const char *) NULL);
1683         while (node != (XMLTreeInfo *) NULL)
1684         {
1685           child=GetXMLTreeChild(node,(const char *) NULL);
1686           content=GetXMLTreeContent(node);
1687           if (child == (XMLTreeInfo *) NULL && SkipXMPValue(content) ==
1688               MagickFalse)
1689             (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1690               ConstantString(GetXMLTreeTag(node)),
1691               ConstantString(content));
1692           while (child != (XMLTreeInfo *) NULL)
1693           {
1694             content=GetXMLTreeContent(child);
1695             if (SkipXMPValue(content) == MagickFalse)
1696               (void) AddValueToSplayTree((SplayTreeInfo *) image->properties,
1697                 ConstantString(GetXMLTreeTag(child)),
1698                 ConstantString(content));
1699             child=GetXMLTreeSibling(child);
1700           }
1701           node=GetXMLTreeSibling(node);
1702         }
1703         description=GetNextXMLTreeTag(description);
1704       }
1705     }
1706   xmp=DestroyXMLTree(xmp);
1707   return(status);
1708 }
1709
1710 static char *TracePSClippath(const unsigned char *blob,size_t length,
1711   const size_t magick_unused(columns),const size_t magick_unused(rows))
1712 {
1713   char
1714     *path,
1715     *message;
1716
1717   MagickBooleanType
1718     in_subpath;
1719
1720   PointInfo
1721     first[3],
1722     last[3],
1723     point[3];
1724
1725   register ssize_t
1726     i,
1727     x;
1728
1729   ssize_t
1730     knot_count,
1731     selector,
1732     y;
1733
1734   path=AcquireString((char *) NULL);
1735   if (path == (char *) NULL)
1736     return((char *) NULL);
1737   message=AcquireString((char *) NULL);
1738   (void) FormatLocaleString(message,MaxTextExtent,"/ClipImage\n");
1739   (void) ConcatenateString(&path,message);
1740   (void) FormatLocaleString(message,MaxTextExtent,"{\n");
1741   (void) ConcatenateString(&path,message);
1742   (void) FormatLocaleString(message,MaxTextExtent,"  /c {curveto} bind def\n");
1743   (void) ConcatenateString(&path,message);
1744   (void) FormatLocaleString(message,MaxTextExtent,"  /l {lineto} bind def\n");
1745   (void) ConcatenateString(&path,message);
1746   (void) FormatLocaleString(message,MaxTextExtent,"  /m {moveto} bind def\n");
1747   (void) ConcatenateString(&path,message);
1748   (void) FormatLocaleString(message,MaxTextExtent,
1749     "  /v {currentpoint 6 2 roll curveto} bind def\n");
1750   (void) ConcatenateString(&path,message);
1751   (void) FormatLocaleString(message,MaxTextExtent,
1752     "  /y {2 copy curveto} bind def\n");
1753   (void) ConcatenateString(&path,message);
1754   (void) FormatLocaleString(message,MaxTextExtent,
1755     "  /z {closepath} bind def\n");
1756   (void) ConcatenateString(&path,message);
1757   (void) FormatLocaleString(message,MaxTextExtent,"  newpath\n");
1758   (void) ConcatenateString(&path,message);
1759   /*
1760     The clipping path format is defined in "Adobe Photoshop File
1761     Formats Specification" version 6.0 downloadable from adobe.com.
1762   */
1763   (void) ResetMagickMemory(point,0,sizeof(point));
1764   (void) ResetMagickMemory(first,0,sizeof(first));
1765   (void) ResetMagickMemory(last,0,sizeof(last));
1766   knot_count=0;
1767   in_subpath=MagickFalse;
1768   while (length > 0)
1769   {
1770     selector=(ssize_t) ((int) ReadPropertyMSBShort(&blob,&length));
1771     switch (selector)
1772     {
1773       case 0:
1774       case 3:
1775       {
1776         if (knot_count != 0)
1777           {
1778             blob+=24;
1779             length-=MagickMin(24,(ssize_t) length);
1780             break;
1781           }
1782         /*
1783           Expected subpath length record.
1784         */
1785         knot_count=(ssize_t) ((int) ReadPropertyMSBShort(&blob,&length));
1786         blob+=22;
1787         length-=MagickMin(22,(ssize_t) length);
1788         break;
1789       }
1790       case 1:
1791       case 2:
1792       case 4:
1793       case 5:
1794       {
1795         if (knot_count == 0)
1796           {
1797             /*
1798               Unexpected subpath knot
1799             */
1800             blob+=24;
1801             length-=MagickMin(24,(ssize_t) length);
1802             break;
1803           }
1804         /*
1805           Add sub-path knot
1806         */
1807         for (i=0; i < 3; i++)
1808         {
1809           size_t
1810             xx,
1811             yy;
1812
1813           yy=(size_t) ((int) ReadPropertyMSBLong(&blob,&length));
1814           xx=(size_t) ((int) ReadPropertyMSBLong(&blob,&length));
1815           x=(ssize_t) xx;
1816           if (xx > 2147483647)
1817             x=(ssize_t) xx-4294967295U-1;
1818           y=(ssize_t) yy;
1819           if (yy > 2147483647)
1820             y=(ssize_t) yy-4294967295U-1;
1821           point[i].x=(double) x/4096/4096;
1822           point[i].y=1.0-(double) y/4096/4096;
1823         }
1824         if( IfMagickFalse(in_subpath) )
1825           {
1826             (void) FormatLocaleString(message,MaxTextExtent,"  %g %g m\n",
1827               point[1].x,point[1].y);
1828             for (i=0; i < 3; i++)
1829             {
1830               first[i]=point[i];
1831               last[i]=point[i];
1832             }
1833           }
1834         else
1835           {
1836             /*
1837               Handle special cases when Bezier curves are used to describe
1838               corners and straight lines.
1839             */
1840             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1841                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
1842               (void) FormatLocaleString(message,MaxTextExtent,
1843                 "  %g %g l\n",point[1].x,point[1].y);
1844             else
1845               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1846                 (void) FormatLocaleString(message,MaxTextExtent,
1847                   "  %g %g %g %g v\n",point[0].x,point[0].y,
1848                   point[1].x,point[1].y);
1849               else
1850                 if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
1851                   (void) FormatLocaleString(message,MaxTextExtent,
1852                     "  %g %g %g %g y\n",last[2].x,last[2].y,
1853                     point[1].x,point[1].y);
1854                 else
1855                   (void) FormatLocaleString(message,MaxTextExtent,
1856                     "  %g %g %g %g %g %g c\n",last[2].x,
1857                     last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
1858             for (i=0; i < 3; i++)
1859               last[i]=point[i];
1860           }
1861         (void) ConcatenateString(&path,message);
1862         in_subpath=MagickTrue;
1863         knot_count--;
1864         /*
1865           Close the subpath if there are no more knots.
1866         */
1867         if (knot_count == 0)
1868           {
1869             /*
1870               Same special handling as above except we compare to the
1871               first point in the path and close the path.
1872             */
1873             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
1874                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
1875               (void) FormatLocaleString(message,MaxTextExtent,
1876                 "  %g %g l z\n",first[1].x,first[1].y);
1877             else
1878               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
1879                 (void) FormatLocaleString(message,MaxTextExtent,
1880                   "  %g %g %g %g v z\n",first[0].x,first[0].y,
1881                   first[1].x,first[1].y);
1882               else
1883                 if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
1884                   (void) FormatLocaleString(message,MaxTextExtent,
1885                     "  %g %g %g %g y z\n",last[2].x,last[2].y,
1886                     first[1].x,first[1].y);
1887                 else
1888                   (void) FormatLocaleString(message,MaxTextExtent,
1889                     "  %g %g %g %g %g %g c z\n",last[2].x,
1890                     last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
1891             (void) ConcatenateString(&path,message);
1892             in_subpath=MagickFalse;
1893           }
1894         break;
1895       }
1896       case 6:
1897       case 7:
1898       case 8:
1899       default:
1900       {
1901         blob+=24;
1902         length-=MagickMin(24,(ssize_t) length);
1903         break;
1904       }
1905     }
1906   }
1907   /*
1908     Returns an empty PS path if the path has no knots.
1909   */
1910   (void) FormatLocaleString(message,MaxTextExtent,"  eoclip\n");
1911   (void) ConcatenateString(&path,message);
1912   (void) FormatLocaleString(message,MaxTextExtent,"} bind def");
1913   (void) ConcatenateString(&path,message);
1914   message=DestroyString(message);
1915   return(path);
1916 }
1917
1918 static char *TraceSVGClippath(const unsigned char *blob,size_t length,
1919   const size_t columns,const size_t rows)
1920 {
1921   char
1922     *path,
1923     *message;
1924
1925   MagickBooleanType
1926     in_subpath;
1927
1928   PointInfo
1929     first[3],
1930     last[3],
1931     point[3];
1932
1933   register ssize_t
1934     i;
1935
1936   ssize_t
1937     knot_count,
1938     selector,
1939     x,
1940     y;
1941
1942   path=AcquireString((char *) NULL);
1943   if (path == (char *) NULL)
1944     return((char *) NULL);
1945   message=AcquireString((char *) NULL);
1946   (void) FormatLocaleString(message,MaxTextExtent,
1947     "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n");
1948   (void) ConcatenateString(&path,message);
1949   (void) FormatLocaleString(message,MaxTextExtent,
1950     "<svg width=\"%.20g\" height=\"%.20g\">\n",(double) columns,(double) rows);
1951   (void) ConcatenateString(&path,message);
1952   (void) FormatLocaleString(message,MaxTextExtent,"<g>\n");
1953   (void) ConcatenateString(&path,message);
1954   (void) FormatLocaleString(message,MaxTextExtent,
1955     "<path style=\"fill:#00000000;stroke:#00000000;");
1956   (void) ConcatenateString(&path,message);
1957   (void) FormatLocaleString(message,MaxTextExtent,
1958     "stroke-width:0;stroke-antialiasing:false\" d=\"\n");
1959   (void) ConcatenateString(&path,message);
1960   (void) ResetMagickMemory(point,0,sizeof(point));
1961   (void) ResetMagickMemory(first,0,sizeof(first));
1962   (void) ResetMagickMemory(last,0,sizeof(last));
1963   knot_count=0;
1964   in_subpath=MagickFalse;
1965   while (length != 0)
1966   {
1967     selector=(ssize_t) ((int) ReadPropertyMSBShort(&blob,&length));
1968     switch (selector)
1969     {
1970       case 0:
1971       case 3:
1972       {
1973         if (knot_count != 0)
1974           {
1975             blob+=24;
1976             length-=MagickMin(24,(ssize_t) length);
1977             break;
1978           }
1979         /*
1980           Expected subpath length record.
1981         */
1982         knot_count=(ssize_t) ((int) ReadPropertyMSBShort(&blob,&length));
1983         blob+=22;
1984         length-=MagickMin(22,(ssize_t) length);
1985         break;
1986       }
1987       case 1:
1988       case 2:
1989       case 4:
1990       case 5:
1991       {
1992         if (knot_count == 0)
1993           {
1994             /*
1995               Unexpected subpath knot.
1996             */
1997             blob+=24;
1998             length-=MagickMin(24,(ssize_t) length);
1999             break;
2000           }
2001         /*
2002           Add sub-path knot
2003         */
2004         for (i=0; i < 3; i++)
2005         {
2006           size_t
2007             xx,
2008             yy;
2009
2010           yy=(size_t) ((int) ReadPropertyMSBLong(&blob,&length));
2011           xx=(size_t) ((int) ReadPropertyMSBLong(&blob,&length));
2012           x=(ssize_t) xx;
2013           if (xx > 2147483647)
2014             x=(ssize_t) xx-4294967295U-1;
2015           y=(ssize_t) yy;
2016           if (yy > 2147483647)
2017             y=(ssize_t) yy-4294967295U-1;
2018           point[i].x=(double) x*columns/4096/4096;
2019           point[i].y=(double) y*rows/4096/4096;
2020         }
2021         if (in_subpath == MagickFalse)
2022           {
2023             (void) FormatLocaleString(message,MaxTextExtent,"M %g %g\n",
2024               point[1].x,point[1].y);
2025             for (i=0; i < 3; i++)
2026             {
2027               first[i]=point[i];
2028               last[i]=point[i];
2029             }
2030           }
2031         else
2032           {
2033             /*
2034               Handle special cases when Bezier curves are used to describe
2035               corners and straight lines.
2036             */
2037             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
2038                 (point[0].x == point[1].x) && (point[0].y == point[1].y))
2039               (void) FormatLocaleString(message,MaxTextExtent,
2040                 "L %g %g\n",point[1].x,point[1].y);
2041             else
2042               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
2043                 (void) FormatLocaleString(message,MaxTextExtent,
2044                   "V %g %g %g %g\n",point[0].x,point[0].y,
2045                   point[1].x,point[1].y);
2046               else
2047                 if ((point[0].x == point[1].x) && (point[0].y == point[1].y))
2048                   (void) FormatLocaleString(message,MaxTextExtent,
2049                     "Y %g %g %g %g\n",last[2].x,last[2].y,
2050                     point[1].x,point[1].y);
2051                 else
2052                   (void) FormatLocaleString(message,MaxTextExtent,
2053                     "C %g %g %g %g %g %g\n",last[2].x,
2054                     last[2].y,point[0].x,point[0].y,point[1].x,point[1].y);
2055             for (i=0; i < 3; i++)
2056               last[i]=point[i];
2057           }
2058         (void) ConcatenateString(&path,message);
2059         in_subpath=MagickTrue;
2060         knot_count--;
2061         /*
2062           Close the subpath if there are no more knots.
2063         */
2064         if (knot_count == 0)
2065           {
2066            /*
2067               Same special handling as above except we compare to the
2068               first point in the path and close the path.
2069             */
2070             if ((last[1].x == last[2].x) && (last[1].y == last[2].y) &&
2071                 (first[0].x == first[1].x) && (first[0].y == first[1].y))
2072               (void) FormatLocaleString(message,MaxTextExtent,
2073                 "L %g %g Z\n",first[1].x,first[1].y);
2074             else
2075               if ((last[1].x == last[2].x) && (last[1].y == last[2].y))
2076                 (void) FormatLocaleString(message,MaxTextExtent,
2077                   "V %g %g %g %g Z\n",first[0].x,first[0].y,
2078                   first[1].x,first[1].y);
2079               else
2080                 if ((first[0].x == first[1].x) && (first[0].y == first[1].y))
2081                   (void) FormatLocaleString(message,MaxTextExtent,
2082                     "Y %g %g %g %g Z\n",last[2].x,last[2].y,
2083                     first[1].x,first[1].y);
2084                 else
2085                   (void) FormatLocaleString(message,MaxTextExtent,
2086                     "C %g %g %g %g %g %g Z\n",last[2].x,
2087                     last[2].y,first[0].x,first[0].y,first[1].x,first[1].y);
2088             (void) ConcatenateString(&path,message);
2089             in_subpath=MagickFalse;
2090           }
2091         break;
2092       }
2093       case 6:
2094       case 7:
2095       case 8:
2096       default:
2097       {
2098         blob+=24;
2099         length-=MagickMin(24,(ssize_t) length);
2100         break;
2101       }
2102     }
2103   }
2104   /*
2105     Return an empty SVG image if the path does not have knots.
2106   */
2107   (void) FormatLocaleString(message,MaxTextExtent,"\"/>\n");
2108   (void) ConcatenateString(&path,message);
2109   (void) FormatLocaleString(message,MaxTextExtent,"</g>\n");
2110   (void) ConcatenateString(&path,message);
2111   (void) FormatLocaleString(message,MaxTextExtent,"</svg>\n");
2112   (void) ConcatenateString(&path,message);
2113   message=DestroyString(message);
2114   return(path);
2115 }
2116
2117 MagickExport const char *GetImageProperty(const Image *image,
2118   const char *property,ExceptionInfo *exception)
2119 {
2120   register const char
2121     *p;
2122
2123   assert(image != (Image *) NULL);
2124   assert(image->signature == MagickSignature);
2125   if (IfMagickTrue(image->debug))
2126     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2127   p=(const char *) NULL;
2128   if (image->properties != (void *) NULL)
2129     {
2130       if (property == (const char *) NULL)
2131         {
2132           ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
2133           p=(const char *) GetNextValueInSplayTree((SplayTreeInfo *)
2134             image->properties);
2135           return(p);
2136         }
2137         p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2138           image->properties,property);
2139         if (p != (const char *) NULL)
2140           return(p);
2141     }
2142   if ((property == (const char *) NULL) ||
2143       (strchr(property,':') == (char *) NULL))
2144     return(p);
2145   switch (*property)
2146   {
2147     case '8':
2148     {
2149       if (LocaleNCompare("8bim:",property,5) == 0)
2150         {
2151           (void) Get8BIMProperty(image,property,exception);
2152           break;
2153         }
2154       break;
2155     }
2156     case 'E':
2157     case 'e':
2158     {
2159       if (LocaleNCompare("exif:",property,5) == 0)
2160         {
2161           (void) GetEXIFProperty(image,property,exception);
2162           break;
2163         }
2164       break;
2165     }
2166     case 'I':
2167     case 'i':
2168     {
2169       if ((LocaleNCompare("icc:",property,4) == 0) ||
2170           (LocaleNCompare("icm:",property,4) == 0))
2171         {
2172           (void) GetICCProperty(image,property,exception);
2173           break;
2174         }
2175       if (LocaleNCompare("iptc:",property,5) == 0)
2176         {
2177           (void) GetIPTCProperty(image,property,exception);
2178           break;
2179         }
2180       break;
2181     }
2182     case 'X':
2183     case 'x':
2184     {
2185       if (LocaleNCompare("xmp:",property,4) == 0)
2186         {
2187           (void) GetXMPProperty(image,property);
2188           break;
2189         }
2190       break;
2191     }
2192     default:
2193       break;
2194   }
2195   if (image->properties != (void *) NULL)
2196     {
2197       p=(const char *) GetValueFromSplayTree((SplayTreeInfo *)
2198         image->properties,property);
2199       return(p);
2200     }
2201   return((const char *) NULL);
2202 }
2203 \f
2204 /*
2205 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2206 %                                                                             %
2207 %                                                                             %
2208 %                                                                             %
2209 +   G e t M a g i c k P r o p e r t y                                         %
2210 %                                                                             %
2211 %                                                                             %
2212 %                                                                             %
2213 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2214 %
2215 %  GetMagickProperty() gets attributes or calculated values that is associated
2216 %  with a fixed known property name, or single letter property. It may be
2217 %  called if no image is defined (IMv7), in which case only global image_info
2218 %  values are available.
2219 %
2220 %  This routine only handles specifically known properties.  It does not
2221 %  handle special prefixed properties, profiles, or expressions. Nor does
2222 %  it return any free-form property strings.
2223 %
2224 %  The returned string is stored in a structure somewhere, and should not be
2225 %  directly freed.  If the string was generated (common) the string will be
2226 %  stored as as either as artifact or option 'get-property'.  These may be
2227 %  deleted (cleaned up) when no longer required, but neither artifact or
2228 %  option is guranteed to exist.
2229 %
2230 %  The format of the GetMagickProperty method is:
2231 %
2232 %      const char *GetMagickProperty(ImageInfo *image_info,Image *image,
2233 %        const char *property,ExceptionInfo *exception)
2234 %
2235 %  A description of each parameter follows:
2236 %
2237 %    o image_info: the image info (optional)
2238 %
2239 %    o image: the image (optional)
2240 %
2241 %    o key: the key.
2242 %
2243 %    o exception: return any errors or warnings in this structure.
2244 %
2245 */
2246 #define WarnNoImageReturn(format,arg) \
2247   if (image == (Image *) NULL ) { \
2248     (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2249         "NoImageForProperty",format,arg); \
2250     return((const char *)NULL); \
2251   }
2252 #define WarnNoImageInfoReturn(format,arg) \
2253   if (image_info == (ImageInfo *) NULL ) { \
2254     (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, \
2255         "NoImageInfoForProperty",format,arg); \
2256     return((const char *)NULL); \
2257   }
2258
2259 static const char *GetMagickPropertyLetter(ImageInfo *image_info,
2260   Image *image,const char letter,ExceptionInfo *exception)
2261 {
2262   char
2263     value[MaxTextExtent];  /* formated string to store as a returned artifact */
2264
2265   const char
2266     *string;     /* return a string already stored somewher */
2267
2268   if (image != (Image *) NULL && IfMagickTrue(image->debug))
2269     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2270   else if( image_info != (ImageInfo *) NULL && IfMagickTrue(image_info->debug))
2271     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2272
2273   *value='\0';           /* formatted string */
2274   string=(char *) NULL;  /* constant string reference */
2275
2276   /* Get properities that are directly defined by images */
2277   switch (letter)
2278   {
2279     case 'b':  /* image size read in - in bytes */
2280     {
2281       WarnNoImageReturn("\"%%%c\"",letter);
2282       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2283         ((MagickOffsetType) image->extent));
2284       if (image->extent != (MagickSizeType) ((size_t) image->extent))
2285         (void) FormatMagickSize(image->extent,MagickFalse,value);
2286       ConcatenateMagickString(value,"B",MaxTextExtent);
2287       break;
2288     }
2289     case 'c':  /* image comment property - empty string by default */
2290     {
2291       WarnNoImageReturn("\"%%%c\"",letter);
2292       string=GetImageProperty(image,"comment",exception);
2293       if ( string == (const char *) NULL )
2294         string="";
2295       break;
2296     }
2297     case 'd':  /* Directory component of filename */
2298     {
2299       WarnNoImageReturn("\"%%%c\"",letter);
2300       GetPathComponent(image->magick_filename,HeadPath,value);
2301       if (*value == '\0') string="";
2302       break;
2303     }
2304     case 'e': /* Filename extension (suffix) of image file */
2305     {
2306       WarnNoImageReturn("\"%%%c\"",letter);
2307       GetPathComponent(image->magick_filename,ExtensionPath,value);
2308       if (*value == '\0') string="";
2309       break;
2310     }
2311     case 'f': /* Filename without directory component */
2312     {
2313       WarnNoImageReturn("\"%%%c\"",letter);
2314       GetPathComponent(image->magick_filename,TailPath,value);
2315       if (*value == '\0') string="";
2316       break;
2317     }
2318     case 'g': /* Image geometry, canvas and offset  %Wx%H+%X+%Y */
2319     {
2320       WarnNoImageReturn("\"%%%c\"",letter);
2321       (void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
2322         (double) image->page.width,(double) image->page.height,
2323         (double) image->page.x,(double) image->page.y);
2324       break;
2325     }
2326     case 'h': /* Image height (current) */
2327     {
2328       WarnNoImageReturn("\"%%%c\"",letter);
2329       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2330         (image->rows != 0 ? image->rows : image->magick_rows));
2331       break;
2332     }
2333     case 'i': /* Filename last used for an image (read or write) */
2334     {
2335       WarnNoImageReturn("\"%%%c\"",letter);
2336       string=image->filename;
2337       break;
2338     }
2339     case 'k': /* Number of unique colors  */
2340     {
2341       /*
2342         FUTURE: ensure this does not generate the formatted comment!
2343       */
2344       WarnNoImageReturn("\"%%%c\"",letter);
2345       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2346         GetNumberColors(image,(FILE *) NULL,exception));
2347       break;
2348     }
2349     case 'l': /* Image label property - empty string by default */
2350     {
2351       WarnNoImageReturn("\"%%%c\"",letter);
2352       string=GetImageProperty(image,"label",exception);
2353       if ( string == (const char *) NULL)
2354         string="";
2355       break;
2356     }
2357     case 'm': /* Image format (file magick) */
2358     {
2359       WarnNoImageReturn("\"%%%c\"",letter);
2360       string=image->magick;
2361       break;
2362     }
2363     case 'n': /* Number of images in the list.  */
2364     {
2365       if ( image != (Image *) NULL )
2366         (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2367           GetImageListLength(image));
2368       else
2369         string="0";    /* no images or scenes */
2370       break;
2371     }
2372     case 'o': /* Output Filename - for delegate use only */
2373       WarnNoImageInfoReturn("\"%%%c\"",letter);
2374       string=image_info->filename;
2375       break;
2376     case 'p': /* Image index in current image list */
2377     {
2378       WarnNoImageReturn("\"%%%c\"",letter);
2379       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2380         GetImageIndexInList(image));
2381       break;
2382     }
2383     case 'q': /* Quantum depth of image in memory */
2384     {
2385       WarnNoImageReturn("\"%%%c\"",letter);
2386       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2387         MAGICKCORE_QUANTUM_DEPTH);
2388       break;
2389     }
2390     case 'r': /* Image storage class, colorspace, and alpha enabled.  */
2391     {
2392       ColorspaceType
2393         colorspace;
2394
2395       WarnNoImageReturn("\"%%%c\"",letter);
2396       colorspace=image->colorspace;
2397       if (IfMagickTrue(IsImageGray(image,exception)))
2398         colorspace=GRAYColorspace;   /* FUTURE: this is IMv6 not IMv7 */
2399       (void) FormatLocaleString(value,MaxTextExtent,"%s %s %s",
2400         CommandOptionToMnemonic(MagickClassOptions,(ssize_t) image->storage_class),
2401         CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t) colorspace),
2402         image->alpha_trait == BlendPixelTrait ? "Alpha" : "");
2403       break;
2404     }
2405     case 's': /* Image scene number */
2406     {
2407 #if 0  /* this seems non-sensical -- simplifing */
2408       if (image_info->number_scenes != 0)
2409         (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2410           image_info->scene);
2411       else if (image != (Image *)NULL)
2412         (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2413           image->scene);
2414       else
2415           string="0";
2416 #else
2417       WarnNoImageReturn("\"%%%c\"",letter);
2418       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2419          image->scene);
2420 #endif
2421       break;
2422     }
2423     case 't': /* Base filename without directory or extention */
2424     {
2425       WarnNoImageReturn("\"%%%c\"",letter);
2426       GetPathComponent(image->magick_filename,BasePath,value);
2427       if (*value == '\0') string="";
2428       break;
2429     }
2430     case 'u': /* Unique filename */
2431       WarnNoImageInfoReturn("\"%%%c\"",letter);
2432       string=image_info->unique;
2433       break;
2434     case 'w': /* Image width (current) */
2435     {
2436       WarnNoImageReturn("\"%%%c\"",letter);
2437       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2438         (image->columns != 0 ? image->columns : image->magick_columns));
2439       break;
2440     }
2441     case 'x': /* Image horizontal resolution (with units) */
2442     {
2443       WarnNoImageReturn("\"%%%c\"",letter);
2444       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
2445         fabs(image->resolution.x) > MagickEpsilon ? image->resolution.x : 72.0);
2446       break;
2447     }
2448     case 'y': /* Image vertical resolution (with units) */
2449     {
2450       WarnNoImageReturn("\"%%%c\"",letter);
2451       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
2452         fabs(image->resolution.y) > MagickEpsilon ? image->resolution.y : 72.0);
2453       break;
2454     }
2455     case 'z': /* Image depth as read in */
2456     {
2457       WarnNoImageReturn("\"%%%c\"",letter);
2458       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
2459         (double) image->depth);
2460       break;
2461     }
2462     case 'A': /* Image alpha channel  */
2463     {
2464       WarnNoImageReturn("\"%%%c\"",letter);
2465       string=CommandOptionToMnemonic(MagickBooleanOptions,
2466         (ssize_t) image->alpha_trait);
2467       break;
2468     }
2469     case 'C': /* Image compression method.  */
2470     {
2471       WarnNoImageReturn("\"%%%c\"",letter);
2472       string=CommandOptionToMnemonic(MagickCompressOptions,
2473         (ssize_t) image->compression);
2474       break;
2475     }
2476     case 'D': /* Image dispose method.  */
2477     {
2478       WarnNoImageReturn("\"%%%c\"",letter);
2479       string=CommandOptionToMnemonic(MagickDisposeOptions,
2480         (ssize_t) image->dispose);
2481       break;
2482     }
2483     case 'G': /* Image size as geometry = "%wx%h" */
2484     {
2485       WarnNoImageReturn("\"%%%c\"",letter);
2486       (void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g",
2487         (double)image->magick_columns,(double) image->magick_rows);
2488       break;
2489     }
2490     case 'H': /* layer canvas height */
2491     {
2492       WarnNoImageReturn("\"%%%c\"",letter);
2493       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
2494         (double) image->page.height);
2495       break;
2496     }
2497     case 'M': /* Magick filename - filename given incl. coder & read mods */
2498     {
2499       WarnNoImageReturn("\"%%%c\"",letter);
2500       string=image->magick_filename;
2501       break;
2502     }
2503     case 'O': /* layer canvas offset with sign = "+%X+%Y" */
2504     {
2505       WarnNoImageReturn("\"%%%c\"",letter);
2506       (void) FormatLocaleString(value,MaxTextExtent,"%+ld%+ld",(long)
2507         image->page.x,(long) image->page.y);
2508       break;
2509     }
2510     case 'P': /* layer canvas page size = "%Wx%H" */
2511     {
2512       WarnNoImageReturn("\"%%%c\"",letter);
2513       (void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g",
2514         (double) image->page.width,(double) image->page.height);
2515       break;
2516     }
2517     case 'Q': /* image compression quality */
2518     {
2519       WarnNoImageReturn("\"%%%c\"",letter);
2520       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2521         (image->quality == 0 ? 92 : image->quality));
2522       break;
2523     }
2524     case 'S': /* Number of scenes in image list.  */
2525     {
2526       WarnNoImageInfoReturn("\"%%%c\"",letter);
2527 #if 0 /* What is this number? -- it makes no sense - simplifing */
2528       if (image_info->number_scenes == 0)
2529          string="2147483647";
2530       else if ( image != (Image *) NULL )
2531         (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2532                 image_info->scene+image_info->number_scenes);
2533       else
2534         string="0";
2535 #else
2536       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2537         (image_info->number_scenes == 0 ? 2147483647 :
2538          image_info->number_scenes));
2539 #endif
2540       break;
2541     }
2542     case 'T': /* image time delay for animations */
2543     {
2544       WarnNoImageReturn("\"%%%c\"",letter);
2545       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2546         image->delay);
2547       break;
2548     }
2549     case 'U': /* Image resolution units. */
2550     {
2551       WarnNoImageReturn("\"%%%c\"",letter);
2552       string=CommandOptionToMnemonic(MagickResolutionOptions,
2553         (ssize_t) image->units);
2554       break;
2555     }
2556     case 'W': /* layer canvas width */
2557     {
2558       WarnNoImageReturn("\"%%%c\"",letter);
2559       (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2560         image->page.width);
2561       break;
2562     }
2563     case 'X': /* layer canvas X offset */
2564     {
2565       WarnNoImageReturn("\"%%%c\"",letter);
2566       (void) FormatLocaleString(value,MaxTextExtent,"%+.20g",(double)
2567         image->page.x);
2568       break;
2569     }
2570     case 'Y': /* layer canvas Y offset */
2571     {
2572       WarnNoImageReturn("\"%%%c\"",letter);
2573       (void) FormatLocaleString(value,MaxTextExtent,"%+.20g",(double)
2574         image->page.y);
2575       break;
2576     }
2577     case 'Z': /* Zero filename ??? */
2578       WarnNoImageInfoReturn("\"%%%c\"",letter);
2579       string=image_info->zero;
2580       break;
2581     case '%': /* percent escaped */
2582       string="%";
2583       break;
2584     case '@': /* Trim bounding box, without actually Trimming! */
2585     {
2586       RectangleInfo
2587         page;
2588
2589       WarnNoImageReturn("\"%%%c\"",letter);
2590       page=GetImageBoundingBox(image,exception);
2591       (void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
2592         (double) page.width,(double) page.height,(double) page.x,(double)
2593         page.y);
2594       break;
2595     }
2596     case '#':
2597     {
2598       /*
2599         Image signature.
2600       */
2601       WarnNoImageReturn("\"%%%c\"",letter);
2602       (void) SignatureImage(image,exception);
2603       string=GetImageProperty(image,"signature",exception);
2604       break;
2605     }
2606   }
2607   if (string != (char *) NULL)
2608     return(string);
2609   if (*value != '\0')
2610     {
2611       /*
2612         Create a cloned copy of result.
2613       */
2614       if (image != (Image *)NULL)
2615         {
2616           (void) SetImageArtifact(image,"get-property",value);
2617           return(GetImageArtifact(image,"get-property"));
2618         }
2619       else
2620         {
2621           (void) SetImageOption(image_info,"get-property",value);
2622           return(GetImageOption(image_info,"get-property"));
2623         }
2624     }
2625   return((char *)NULL);
2626 }
2627
2628 MagickExport const char *GetMagickProperty(ImageInfo *image_info,
2629   Image *image,const char *property,ExceptionInfo *exception)
2630 {
2631   char
2632     value[MaxTextExtent];
2633
2634   const char
2635     *string;
2636
2637   assert(property[0] != '\0');
2638   assert(image != (Image *)NULL || image_info != (ImageInfo *)NULL );
2639
2640   if (property[1] == '\0')  /* single letter property request */
2641     return(GetMagickPropertyLetter(image_info,image,*property,exception));
2642
2643   if (image != (Image *) NULL && IfMagickTrue(image->debug))
2644     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2645   else if( image_info != (ImageInfo *) NULL && IfMagickTrue(image_info->debug))
2646     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-images");
2647
2648   *value='\0';           /* formated string */
2649   string=(char *) NULL;  /* constant string reference */
2650   switch (*property)
2651   {
2652     case 'b':
2653     {
2654       if ((LocaleCompare("base",property) == 0) ||
2655           (LocaleCompare("basename",property) == 0) )
2656         {
2657           WarnNoImageReturn("\"%%[%s]\"",property);
2658           GetPathComponent(image->magick_filename,BasePath,value);
2659           if (*value == '\0') string="";
2660           break;
2661         }
2662       if (LocaleCompare("bit-depth",property) == 0)
2663         {
2664           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2665             GetImageDepth(image, exception));
2666           break;
2667         }
2668       break;
2669     }
2670     case 'c':
2671     {
2672       if (LocaleCompare("channels",property) == 0)
2673         {
2674           WarnNoImageReturn("\"%%[%s]\"",property);
2675           /* FUTURE: return actual image channels */
2676           (void) FormatLocaleString(value,MaxTextExtent,"%s",
2677             CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2678             image->colorspace));
2679           LocaleLower(value);
2680           if( image->alpha_trait == BlendPixelTrait )
2681             (void) ConcatenateMagickString(value,"a",MaxTextExtent);
2682           break;
2683         }
2684       if (LocaleCompare("colorspace",property) == 0)
2685         {
2686           WarnNoImageReturn("\"%%[%s]\"",property);
2687           /* FUTURE: return actual colorspace - no 'gray' stuff */
2688           string=CommandOptionToMnemonic(MagickColorspaceOptions,(ssize_t)
2689             image->colorspace);
2690           break;
2691         }
2692       if (LocaleCompare("copyright",property) == 0)
2693         {
2694           (void) CopyMagickString(value,GetMagickCopyright(),MaxTextExtent);
2695           break;
2696         }
2697       break;
2698     }
2699     case 'd':
2700     {
2701       if (LocaleCompare("depth",property) == 0)
2702         {
2703           WarnNoImageReturn("\"%%[%s]\"",property);
2704           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2705             image->depth);
2706           break;
2707         }
2708       if (LocaleCompare("directory",property) == 0)
2709         {
2710           WarnNoImageReturn("\"%%[%s]\"",property);
2711           GetPathComponent(image->magick_filename,HeadPath,value);
2712           if (*value == '\0') string="";
2713           break;
2714         }
2715       break;
2716     }
2717     case 'e':
2718     {
2719       if (LocaleCompare("extension",property) == 0)
2720         {
2721           WarnNoImageReturn("\"%%[%s]\"",property);
2722           GetPathComponent(image->magick_filename,ExtensionPath,value);
2723           if (*value == '\0') string="";
2724           break;
2725         }
2726       break;
2727     }
2728     case 'g':
2729     {
2730       if (LocaleCompare("gamma",property) == 0)
2731         {
2732           WarnNoImageReturn("\"%%[%s]\"",property);
2733           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2734             GetMagickPrecision(),image->gamma);
2735           break;
2736         }
2737       if (LocaleCompare("group",property) == 0)
2738         {
2739           WarnNoImageInfoReturn("\"%%[%s]\"",property);
2740           (void) FormatLocaleString(value,MaxTextExtent,"0x%lx",(unsigned long)
2741             image_info->group);
2742           break;
2743         }
2744       break;
2745     }
2746     case 'h':
2747     {
2748       if (LocaleCompare("height",property) == 0)
2749         {
2750           WarnNoImageReturn("\"%%[%s]\"",property);
2751           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
2752             image->magick_rows != 0 ? (double) image->magick_rows : 256.0);
2753           break;
2754         }
2755       break;
2756     }
2757     case 'i':
2758     {
2759       if (LocaleCompare("input",property) == 0)
2760         {
2761           WarnNoImageReturn("\"%%[%s]\"",property);
2762           string=image->filename;
2763           break;
2764         }
2765       break;
2766     }
2767     case 'k':
2768     {
2769       if (LocaleCompare("kurtosis",property) == 0)
2770         {
2771           double
2772             kurtosis,
2773             skewness;
2774
2775           WarnNoImageReturn("\"%%[%s]\"",property);
2776           (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
2777           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2778             GetMagickPrecision(),kurtosis);
2779           break;
2780         }
2781       break;
2782     }
2783     case 'm':
2784     {
2785       if (LocaleCompare("magick",property) == 0)
2786         {
2787           WarnNoImageReturn("\"%%[%s]\"",property);
2788           string=image->magick;
2789           break;
2790         }
2791       if (LocaleCompare("max",property) == 0)
2792         {
2793           double
2794             maximum,
2795             minimum;
2796
2797           WarnNoImageReturn("\"%%[%s]\"",property);
2798           (void) GetImageRange(image,&minimum,&maximum,exception);
2799           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2800             GetMagickPrecision(),maximum);
2801           break;
2802         }
2803       if (LocaleCompare("mean",property) == 0)
2804         {
2805           double
2806             mean,
2807             standard_deviation;
2808
2809           WarnNoImageReturn("\"%%[%s]\"",property);
2810           (void) GetImageMean(image,&mean,&standard_deviation,exception);
2811           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2812             GetMagickPrecision(),mean);
2813           break;
2814         }
2815       if (LocaleCompare("min",property) == 0)
2816         {
2817           double
2818             maximum,
2819             minimum;
2820
2821           WarnNoImageReturn("\"%%[%s]\"",property);
2822           (void) GetImageRange(image,&minimum,&maximum,exception);
2823           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2824             GetMagickPrecision(),minimum);
2825           break;
2826         }
2827       break;
2828     }
2829     case 'o':
2830     {
2831       if (LocaleCompare("opaque",property) == 0)
2832         {
2833           WarnNoImageReturn("\"%%[%s]\"",property);
2834           string=CommandOptionToMnemonic(MagickBooleanOptions,
2835                (ssize_t) IsImageOpaque(image,exception));
2836           break;
2837         }
2838       if (LocaleCompare("orientation",property) == 0)
2839         {
2840           WarnNoImageReturn("\"%%[%s]\"",property);
2841           string=CommandOptionToMnemonic(MagickOrientationOptions,(ssize_t)
2842             image->orientation);
2843           break;
2844         }
2845       if (LocaleCompare("output",property) == 0)
2846         {
2847           WarnNoImageInfoReturn("\"%%[%s]\"",property);
2848           (void) CopyMagickString(value,image_info->filename,MaxTextExtent);
2849           break;
2850         }
2851      break;
2852     }
2853     case 'p':
2854     {
2855 #if defined(MAGICKCORE_LCMS_DELEGATE)
2856       if (LocaleCompare("profile:icc",property) == 0 ||
2857           LocaleCompare("profile:icm",property) == 0)
2858         {
2859 #if !defined(LCMS_VERSION) || (LCMS_VERSION < 2000)
2860 #define cmsUInt32Number  DWORD
2861 #endif
2862
2863           const StringInfo
2864             *profile;
2865
2866           cmsHPROFILE
2867             icc_profile;
2868
2869           profile=GetImageProfile(image,property+8);
2870           if (profile == (StringInfo *) NULL)
2871             break;
2872
2873           icc_profile=cmsOpenProfileFromMem(GetStringInfoDatum(profile),
2874             (cmsUInt32Number) GetStringInfoLength(profile));
2875           if (icc_profile != (cmsHPROFILE *) NULL)
2876             {
2877 #if defined(LCMS_VERSION) && (LCMS_VERSION < 2000)
2878               string=cmsTakeProductName(icc_profile);
2879 #else
2880               (void) cmsGetProfileInfoASCII(icc_profile,cmsInfoDescription,
2881                 "en","US",value,MaxTextExtent);
2882 #endif
2883               (void) cmsCloseProfile(icc_profile);
2884             }
2885       }
2886 #endif
2887       if (LocaleCompare("profiles",property) == 0)
2888         {
2889           const char
2890             *name;
2891
2892           ResetImageProfileIterator(image);
2893           name=GetNextImageProfile(image);
2894           if (name != (char *) NULL)
2895             {
2896               (void) CopyMagickString(value,name,MaxTextExtent);
2897               name=GetNextImageProfile(image);
2898               while (name != (char *) NULL)
2899               {
2900                 ConcatenateMagickString(value,",",MaxTextExtent);
2901                 ConcatenateMagickString(value,name,MaxTextExtent);
2902                 name=GetNextImageProfile(image);
2903               }
2904             }
2905           break;
2906         }
2907       break;
2908     }
2909     case 'r':
2910     {
2911       if (LocaleCompare("resolution.x",property) == 0)
2912         {
2913           WarnNoImageReturn("\"%%[%s]\"",property);
2914           (void) FormatLocaleString(value,MaxTextExtent,"%g",
2915             image->resolution.x);
2916           break;
2917         }
2918       if (LocaleCompare("resolution.y",property) == 0)
2919         {
2920           WarnNoImageReturn("\"%%[%s]\"",property);
2921           (void) FormatLocaleString(value,MaxTextExtent,"%g",
2922             image->resolution.y);
2923           break;
2924         }
2925       break;
2926     }
2927     case 's':
2928     {
2929       if (LocaleCompare("scene",property) == 0)
2930         {
2931           WarnNoImageInfoReturn("\"%%[%s]\"",property);
2932           if (image_info->number_scenes != 0)
2933             (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2934               image_info->scene);
2935           else {
2936             WarnNoImageReturn("\"%%[%s]\"",property);
2937             (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2938               image->scene);
2939           }
2940           break;
2941         }
2942       if (LocaleCompare("scenes",property) == 0)
2943         {
2944           /* FUTURE: equivelent to %n? */
2945           WarnNoImageReturn("\"%%[%s]\"",property);
2946           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
2947             GetImageListLength(image));
2948           break;
2949         }
2950       if (LocaleCompare("size",property) == 0)
2951         {
2952           char
2953             format[MaxTextExtent];
2954
2955           WarnNoImageReturn("\"%%[%s]\"",property);
2956           (void) FormatMagickSize(GetBlobSize(image),MagickFalse,format);
2957           (void) FormatLocaleString(value,MaxTextExtent,"%sB",format);
2958           break;
2959         }
2960       if (LocaleCompare("skewness",property) == 0)
2961         {
2962           double
2963             kurtosis,
2964             skewness;
2965
2966           WarnNoImageReturn("\"%%[%s]\"",property);
2967           (void) GetImageKurtosis(image,&kurtosis,&skewness,exception);
2968           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2969             GetMagickPrecision(),skewness);
2970           break;
2971         }
2972       if ((LocaleCompare("standard-deviation",property) == 0) ||
2973           (LocaleCompare("standard_deviation",property) == 0))
2974         {
2975           double
2976             mean,
2977             standard_deviation;
2978
2979           WarnNoImageReturn("\"%%[%s]\"",property);
2980           (void) GetImageMean(image,&mean,&standard_deviation,exception);
2981           (void) FormatLocaleString(value,MaxTextExtent,"%.*g",
2982             GetMagickPrecision(),standard_deviation);
2983           break;
2984         }
2985        break;
2986     }
2987     case 't':
2988     {
2989       if (LocaleCompare("type",property) == 0)
2990         {
2991           WarnNoImageReturn("\"%%[%s]\"",property);
2992           string=CommandOptionToMnemonic(MagickTypeOptions,(ssize_t)
2993             GetImageType(image,exception));
2994           break;
2995         }
2996        break;
2997     }
2998     case 'u':
2999     {
3000       if (LocaleCompare("unique",property) == 0)
3001         {
3002           WarnNoImageInfoReturn("\"%%[%s]\"",property);
3003           string=image_info->unique;
3004           break;
3005         }
3006       if (LocaleCompare("units",property) == 0)
3007         {
3008           WarnNoImageReturn("\"%%[%s]\"",property);
3009           string=CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
3010             image->units);
3011           break;
3012         }
3013       if (LocaleCompare("copyright",property) == 0)
3014       break;
3015     }
3016     case 'v':
3017     {
3018       if (LocaleCompare("version",property) == 0)
3019         {
3020           string=GetMagickVersion((size_t *) NULL);
3021           break;
3022         }
3023       break;
3024     }
3025     case 'w':
3026     {
3027       if (LocaleCompare("width",property) == 0)
3028         {
3029           WarnNoImageReturn("\"%%[%s]\"",property);
3030           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
3031             (image->magick_columns != 0 ? image->magick_columns : 256));
3032           break;
3033         }
3034       break;
3035     }
3036     case 'x': /* FUTURE: Obsolete X resolution */
3037     {
3038       if ((LocaleCompare("xresolution",property) == 0) ||
3039           (LocaleCompare("x-resolution",property) == 0) )
3040         {
3041           WarnNoImageReturn("\"%%[%s]\"",property);
3042           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
3043             image->resolution.x);
3044           break;
3045         }
3046       break;
3047     }
3048     case 'y': /* FUTURE: Obsolete Y resolution */
3049     {
3050       if ((LocaleCompare("yresolution",property) == 0) ||
3051           (LocaleCompare("y-resolution",property) == 0) )
3052         {
3053           WarnNoImageReturn("\"%%[%s]\"",property);
3054           (void) FormatLocaleString(value,MaxTextExtent,"%.20g",
3055             image->resolution.y);
3056           break;
3057         }
3058       break;
3059     }
3060     case 'z':
3061     {
3062       if (LocaleCompare("zero",property) == 0)
3063         {
3064           WarnNoImageInfoReturn("\"%%[%s]\"",property);
3065           string=image_info->zero;
3066           break;
3067         }
3068       break;
3069     }
3070   }
3071   if (string != (char *) NULL)
3072     return(string);
3073   if (*value != '\0')
3074   {
3075     /* create a cloned copy of result, that will get cleaned up, eventually */
3076     if (image != (Image *)NULL)
3077       {
3078         (void) SetImageArtifact(image,"get-property",value);
3079         return(GetImageArtifact(image,"get-property"));
3080       }
3081     else
3082       {
3083         (void) SetImageOption(image_info,"get-property",value);
3084         return(GetImageOption(image_info,"get-property"));
3085       }
3086   }
3087   return((char *)NULL);
3088 }
3089 #undef WarnNoImageReturn
3090 \f
3091 /*
3092 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3093 %                                                                             %
3094 %                                                                             %
3095 %                                                                             %
3096 %   G e t N e x t I m a g e P r o p e r t y                                   %
3097 %                                                                             %
3098 %                                                                             %
3099 %                                                                             %
3100 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3101 %
3102 %  GetNextImageProperty() gets the next free-form string property name.
3103 %
3104 %  The format of the GetNextImageProperty method is:
3105 %
3106 %      char *GetNextImageProperty(const Image *image)
3107 %
3108 %  A description of each parameter follows:
3109 %
3110 %    o image: the image.
3111 %
3112 */
3113 MagickExport char *GetNextImageProperty(const Image *image)
3114 {
3115   assert(image != (Image *) NULL);
3116   assert(image->signature == MagickSignature);
3117   if( IfMagickTrue(image->debug) )
3118     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3119       image->filename);
3120   if (image->properties == (void *) NULL)
3121     return((char *) NULL);
3122   return((char *) GetNextKeyInSplayTree((SplayTreeInfo *) image->properties));
3123 }
3124 \f
3125 /*
3126 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3127 %                                                                             %
3128 %                                                                             %
3129 %                                                                             %
3130 %   I n t e r p r e t I m a g e P r o p e r t i e s                           %
3131 %                                                                             %
3132 %                                                                             %
3133 %                                                                             %
3134 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3135 %
3136 %  InterpretImageProperties() replaces any embedded formatting characters with
3137 %  the appropriate image property and returns the interpreted text.
3138 %
3139 %  This searches for and replaces
3140 %     \n \r \%          replaced by newline, return, and percent resp.
3141 %     &lt; &gt; &amp;   replaced by '<', '>', '&' resp.
3142 %     %%                replaced by percent
3143 %
3144 %     %x %[x]       where 'x' is a single letter properity, case sensitive).
3145 %     %[type:name]  where 'type' a is special and known prefix.
3146 %     %[name]       where 'name' is a specifically known attribute, calculated
3147 %                   value, or a per-image property string name, or a per-image
3148 %                   'artifact' (as generated from a global option).
3149 %                   It may contain ':' as long as the prefix is not special.
3150 %
3151 %  Single letter % substitutions will only happen if the character before the
3152 %  percent is NOT a number. But braced substitutions will always be performed.
3153 %  This prevents the typical usage of percent in a interpreted geometry
3154 %  argument from being substituted when the percent is a geometry flag.
3155 %
3156 %  If 'glob-expresions' ('*' or '?' characters) is used for 'name' it may be
3157 %  used as a search pattern to print multiple lines of "name=value\n" pairs of
3158 %  the associacted set of properties.
3159 %
3160 %  The returned string must be freed using DestoryString() by the caller.
3161 %
3162 %  The format of the InterpretImageProperties method is:
3163 %
3164 %      char *InterpretImageProperties(ImageInfo *image_info,
3165 %        Image *image,const char *embed_text,ExceptionInfo *exception)
3166 %
3167 %  A description of each parameter follows:
3168 %
3169 %    o image_info: the image info. (required)
3170 %
3171 %    o image: the image. (optional)
3172 %
3173 %    o embed_text: the address of a character string containing the embedded
3174 %      formatting characters.
3175 %
3176 %    o exception: return any errors or warnings in this structure.
3177 %
3178 */
3179
3180 /* common inline code to expand the interpreted text string */
3181 #define ExtendInterpretText(string_length)  do { \
3182 DisableMSCWarning(4127) \
3183     size_t length=(string_length); \
3184     if ((size_t) (q-interpret_text+length+1) >= extent) \
3185      { extent+=length; \
3186        interpret_text=(char *) ResizeQuantumMemory(interpret_text, \
3187              extent+MaxTextExtent,sizeof(*interpret_text)); \
3188        if (interpret_text == (char *) NULL) \
3189          return((char *)NULL); \
3190        q=interpret_text+strlen(interpret_text); \
3191    } } while (0)  /* no trailing ; */ \
3192 RestoreMSCWarning
3193
3194 /* same but append the given string */
3195 #define AppendString2Text(string)  do { \
3196 DisableMSCWarning(4127) \
3197     size_t length=strlen((string)); \
3198     if ((size_t) (q-interpret_text+length+1) >= extent) \
3199      { extent+=length; \
3200        interpret_text=(char *) ResizeQuantumMemory(interpret_text, \
3201              extent+MaxTextExtent,sizeof(*interpret_text)); \
3202        if (interpret_text == (char *) NULL) \
3203          return((char *)NULL); \
3204        q=interpret_text+strlen(interpret_text); \
3205       } \
3206      (void) CopyMagickString(q,(string),extent); \
3207      q+=length; \
3208    } while (0)  /* no trailing ; */ \
3209 RestoreMSCWarning
3210
3211 /* same but append a 'key' and 'string' pair */
3212 #define AppendKeyValue2Text(key,string)  do { \
3213 DisableMSCWarning(4127) \
3214     size_t length=strlen(key)+strlen(string)+2; \
3215     if ((size_t) (q-interpret_text+length+1) >= extent) \
3216      { extent+=length; \
3217       interpret_text=(char *) ResizeQuantumMemory(interpret_text, \
3218               extent+MaxTextExtent,sizeof(*interpret_text)); \
3219       if (interpret_text == (char *) NULL) \
3220         return((char *)NULL); \
3221       q=interpret_text+strlen(interpret_text); \
3222      } \
3223      q+=FormatLocaleString(q,extent,"%s=%s\n",(key),(string)); \
3224    } while (0)  /* no trailing ; */ \
3225 RestoreMSCWarning
3226
3227 MagickExport char *InterpretImageProperties(ImageInfo *image_info,
3228   Image *image,const char *embed_text,ExceptionInfo *exception)
3229 {
3230   char
3231     *interpret_text;
3232
3233   register char
3234     *q;     /* current position in interpret_text */
3235
3236   register const char
3237     *p;     /* position in embed_text string being expanded */
3238
3239   size_t
3240     extent; /* allocated length of interpret_text */
3241
3242   MagickBooleanType
3243     number;
3244
3245   assert(image == NULL || image->signature == MagickSignature);
3246   assert(image_info == NULL || image_info->signature == MagickSignature);
3247
3248   if (image != (Image *) NULL && IfMagickTrue(image->debug))
3249     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3250   else if( image_info != (ImageInfo *) NULL && IfMagickTrue(image_info->debug))
3251     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s","no-image");
3252
3253   if (embed_text == (const char *) NULL)
3254     return((char *) NULL);
3255   p=embed_text;
3256
3257   if (*p == '\0')
3258     return(ConstantString(""));
3259
3260   /* handle a '@' replace string from file */
3261   if (*p == '@') {
3262      p++;
3263      if (*p != '-' && IfMagickFalse(IsPathAccessible(p)) ) {
3264        (void) ThrowMagickException(exception,GetMagickModule(),
3265            OptionError,"UnableToAccessPath","%s",p);
3266        return((char *) NULL);
3267      }
3268      return(FileToString(p,~0UL,exception));
3269   }
3270
3271   /*
3272     Translate any embedded format characters.
3273   */
3274   interpret_text=AcquireString(embed_text); /* new string with extra space */
3275   extent=MaxTextExtent;                     /* allocated space in string */
3276   number=MagickFalse;                       /* is last char a number? */
3277   for (q=interpret_text; *p!='\0'; number=IsMagickTrue(isdigit(*p)),p++)
3278   {
3279     *q='\0';
3280     ExtendInterpretText(MaxTextExtent);
3281     /*
3282       Look for the various escapes, (and handle other specials)
3283     */
3284     switch (*p) {
3285       case '\\':
3286         switch (*(p+1)) {
3287           case '\0':
3288             continue;
3289           case 'r':       /* convert to RETURN */
3290             *q++='\r';
3291             p++;
3292             continue;
3293           case 'n':       /* convert to NEWLINE */
3294             *q++='\n';
3295             p++;
3296             continue;
3297           case '\n':      /* EOL removal UNIX,MacOSX */
3298             p++;
3299             continue;
3300           case '\r':      /* EOL removal DOS,Windows */
3301             p++;
3302             if (*p == '\n') /* return-newline EOL */
3303               p++;
3304             continue;
3305           default:
3306             p++;
3307             *q++=(*p);
3308         }
3309         continue;
3310       case '&':
3311         if (LocaleNCompare("&lt;",p,4) == 0)
3312           *q++='<', p+=3;
3313         else if (LocaleNCompare("&gt;",p,4) == 0)
3314           *q++='>', p+=3;
3315         else if (LocaleNCompare("&amp;",p,5) == 0)
3316           *q++='&', p+=4;
3317         else
3318           *q++=(*p);
3319         continue;
3320       case '%':
3321         break;      /* continue to next set of handlers */
3322       default:
3323         *q++=(*p);  /* any thing else is 'as normal' */
3324         continue;
3325     }
3326     p++; /* advance beyond the percent */
3327
3328     /*
3329       Doubled Percent - or percent at end of string
3330     */
3331     if ( *p == '\0' )
3332        p--;
3333     if ( *p == '%' ) {
3334         *q++='%';
3335         continue;
3336       }
3337
3338     /*
3339       Single letter escapes  %c
3340     */
3341     if ( *p != '[' ) {
3342       const char
3343         *string;
3344
3345       /* But only if not preceeded by a number! */
3346       if ( IfMagickTrue(number) ) {
3347         *q++='%'; /* do NOT substitute the percent */
3348         p--;      /* back up one */
3349         continue;
3350       }
3351       string=GetMagickPropertyLetter(image_info,image,*p, exception);
3352       if (string != (char *) NULL)
3353         {
3354           AppendString2Text(string);
3355           if (image != (Image *) NULL)
3356             (void)DeleteImageArtifact(image,"get-property");
3357           if (image_info != (ImageInfo *) NULL)
3358             (void)DeleteImageOption(image_info,"get-property");
3359           continue;
3360         }
3361       (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning,
3362         "UnknownImageProperty","\"%%%c\"",*p);
3363       continue;
3364     }
3365
3366     /*
3367       Braced Percent Escape  %[...]
3368     */
3369     {
3370       char
3371         pattern[MaxTextExtent];
3372
3373       const char
3374         *key,
3375         *string;
3376
3377       register ssize_t
3378         len;
3379
3380       ssize_t
3381         depth;
3382
3383       /* get the property name framed by the %[...] */
3384       p++;  /* advance p to just inside the opening brace */
3385       depth=1;
3386       if ( *p == ']' ) {
3387         (void) ThrowMagickException(exception,GetMagickModule(),
3388             OptionWarning,"UnknownImageProperty","\"%%[]\"");
3389         break;
3390       }
3391       for (len=0; len<(MaxTextExtent-1L) && (*p != '\0');)
3392       {
3393         /* skip escaped braces within braced pattern */
3394         if ( (*p == '\\') && (*(p+1) != '\0') ) {
3395           pattern[len++]=(*p++);
3396           pattern[len++]=(*p++);
3397           continue;
3398         }
3399         if (*p == '[')
3400           depth++;
3401         if (*p == ']')
3402           depth--;
3403         if (depth <= 0)
3404           break;
3405         pattern[len++]=(*p++);
3406       }
3407       pattern[len]='\0';
3408       /* Check for unmatched final ']' for "%[...]" */
3409       if ( depth != 0 ) {
3410         if (len >= 64) {  /* truncate string for error message */
3411           pattern[61] = '.';
3412           pattern[62] = '.';
3413           pattern[63] = '.';
3414           pattern[64] = '\0';
3415         }
3416         (void) ThrowMagickException(exception,GetMagickModule(),
3417             OptionError,"UnbalancedBraces","\"%%[%s\"",pattern);
3418         interpret_text=DestroyString(interpret_text);
3419         return((char *)NULL);
3420       }
3421
3422       /*
3423         Special Lookup Prefixes %[prefix:...]
3424       */
3425       /* fx - value calculator */
3426       if (LocaleNCompare("fx:",pattern,3) == 0)
3427         {
3428           FxInfo
3429             *fx_info;
3430
3431           double
3432             value;
3433
3434           MagickBooleanType
3435             status;
3436
3437           if (image == (Image *) NULL ) {
3438             (void) ThrowMagickException(exception,GetMagickModule(),
3439                 OptionWarning,"NoImageForProperty","\"%%[%s]\"",pattern);
3440             continue; /* else no image to retrieve artifact */
3441           }
3442           fx_info=AcquireFxInfo(image,pattern+3,exception);
3443           status=FxEvaluateChannelExpression(fx_info,IntensityPixelChannel,0,0,
3444             &value,exception);
3445           fx_info=DestroyFxInfo(fx_info);
3446           if( IfMagickTrue(status) )
3447             {
3448               char
3449                 result[MaxTextExtent];
3450
3451               (void) FormatLocaleString(result,MaxTextExtent,"%.*g",
3452                 GetMagickPrecision(),(double) value);
3453               AppendString2Text(result);
3454             }
3455           continue;
3456         }
3457       /* pixel - color value calculator */
3458       if (LocaleNCompare("pixel:",pattern,6) == 0)
3459         {
3460           FxInfo
3461             *fx_info;
3462
3463           double
3464             value;
3465
3466           MagickStatusType
3467             status;
3468
3469           PixelInfo
3470             pixel;
3471
3472           if (image == (Image *) NULL ) {
3473             (void) ThrowMagickException(exception,GetMagickModule(),
3474                 OptionWarning,"NoImageForProperty","\"%%[%s]\"",pattern);
3475             continue; /* else no image to retrieve artifact */
3476           }
3477           GetPixelInfo(image,&pixel);
3478           fx_info=AcquireFxInfo(image,pattern+6,exception);
3479           status=FxEvaluateChannelExpression(fx_info,RedPixelChannel,0,0,
3480             &value,exception);
3481           pixel.red=(double) QuantumRange*value;
3482           status&=FxEvaluateChannelExpression(fx_info,GreenPixelChannel,0,0,
3483             &value,exception);
3484           pixel.green=(double) QuantumRange*value;
3485           status&=FxEvaluateChannelExpression(fx_info,BluePixelChannel,0,0,
3486             &value,exception);
3487           pixel.blue=(double) QuantumRange*value;
3488           if (image->colorspace == CMYKColorspace)
3489             {
3490               status&=FxEvaluateChannelExpression(fx_info,BlackPixelChannel,0,0,
3491                 &value,exception);
3492               pixel.black=(double) QuantumRange*value;
3493             }
3494           status&=FxEvaluateChannelExpression(fx_info,AlphaPixelChannel,0,0,
3495             &value,exception);
3496           pixel.alpha=(double) QuantumRange*value;
3497           fx_info=DestroyFxInfo(fx_info);
3498           if( IfMagickTrue(status) )
3499             {
3500               char
3501                 name[MaxTextExtent];
3502
3503               (void) QueryColorname(image,&pixel,SVGCompliance,name,
3504                 exception);
3505               AppendString2Text(name);
3506             }
3507           continue;
3508         }
3509       /* option - direct global option lookup (with globbing) */
3510       if (LocaleNCompare("option:",pattern,7) == 0)
3511       {
3512         if (image_info == (ImageInfo *) NULL ) {
3513           (void) ThrowMagickException(exception,GetMagickModule(),
3514               OptionWarning,"NoImageForProperty","\"%%[%s]\"",pattern);
3515           continue; /* else no image to retrieve artifact */
3516         }
3517         if( IfMagickTrue(IsGlob(pattern+7)) )
3518         {
3519           ResetImageOptionIterator(image_info);
3520           while ((key=GetNextImageOption(image_info)) != (const char *) NULL)
3521             if( IfMagickTrue(GlobExpression(key,pattern+7,MagickTrue)) )
3522               {
3523                 string=GetImageOption(image_info,key);
3524                 if (string != (const char *) NULL)
3525                   AppendKeyValue2Text(key,string);
3526                 /* else - assertion failure? key found but no string value! */
3527               }
3528           continue;
3529         }
3530         string=GetImageOption(image_info,pattern+7);
3531         if (string == (char *) NULL)
3532           goto PropertyLookupFailure; /* no artifact of this specifc name */
3533         AppendString2Text(string);
3534         continue;
3535       }
3536       /* artifact - direct image artifact lookup (with glob) */
3537       if (LocaleNCompare("artifact:",pattern,9) == 0)
3538       {
3539         if (image == (Image *) NULL ) {
3540           (void) ThrowMagickException(exception,GetMagickModule(),
3541               OptionWarning,"NoImageForProperty","\"%%[%s]\"",pattern);
3542           continue; /* else no image to retrieve artifact */
3543         }
3544         if( IfMagickTrue(IsGlob(pattern+9)) )
3545         {
3546           ResetImageArtifactIterator(image);
3547           while ((key=GetNextImageArtifact(image)) != (const char *) NULL)
3548             if( IfMagickTrue(GlobExpression(key,pattern+9,MagickTrue)) )
3549               {
3550                 string=GetImageArtifact(image,key);
3551                 if (string != (const char *) NULL)
3552                   AppendKeyValue2Text(key,string);
3553                 /* else - assertion failure? key found but no string value! */
3554               }
3555           continue;
3556         }
3557         string=GetImageArtifact(image,pattern+9);
3558         if (string == (char *) NULL)
3559           goto PropertyLookupFailure; /* no artifact of this specifc name */
3560         AppendString2Text(string);
3561         continue;
3562       }
3563       /* property - direct image property lookup (with glob) */
3564       if (LocaleNCompare("property:",pattern,9) == 0)
3565       {
3566         if (image == (Image *) NULL ) {
3567           (void) ThrowMagickException(exception,GetMagickModule(),
3568               OptionWarning,"NoImageForProperty","\"%%[%s]\"",pattern);
3569           continue; /* else no image to retrieve artifact */
3570         }
3571         if( IfMagickTrue(IsGlob(pattern+9)) )
3572         {
3573           ResetImagePropertyIterator(image);
3574           while ((key=GetNextImageProperty(image)) != (const char *) NULL)
3575             if( IfMagickTrue(GlobExpression(key,pattern,MagickTrue)) )
3576               {
3577                 string=GetImageProperty(image,key,exception);
3578                 if (string != (const char *) NULL)
3579                   AppendKeyValue2Text(key,string);
3580                 /* else - assertion failure? */
3581               }
3582           continue;
3583         }
3584         string=GetImageProperty(image,pattern+9,exception);
3585         if (string == (char *) NULL)
3586           goto PropertyLookupFailure; /* no artifact of this specifc name */
3587         AppendString2Text(string);
3588         continue;
3589       }
3590       /* Properties without special prefix.
3591          This handles attributes, properties, and profiles such as %[exif:...]
3592          Note the profile properties may also include a glob expansion pattern.
3593       */
3594       if ( image != (Image *)NULL )
3595         {
3596           string=GetImageProperty(image,pattern,exception);
3597           if (string != (const char *) NULL)
3598             {
3599               AppendString2Text(string);
3600               if (image != (Image *) NULL)
3601                 (void)DeleteImageArtifact(image,"get-property");
3602               if (image_info != (ImageInfo *) NULL)
3603                 (void)DeleteImageOption(image_info,"get-property");
3604               continue;
3605             }
3606         }
3607       /*
3608         Handle property 'glob' patterns
3609         Such as:  %[*]   %[user:array_??]  %[filename:e*]
3610       */
3611       if( IfMagickTrue(IsGlob(pattern)) )
3612         {
3613           if (image == (Image *) NULL)
3614             continue; /* else no image to retrieve proprty - no list */
3615           ResetImagePropertyIterator(image);
3616           while ((key=GetNextImageProperty(image)) != (const char *) NULL)
3617             if( IfMagickTrue(GlobExpression(key,pattern,MagickTrue)) )
3618               {
3619                 string=GetImageProperty(image,key,exception);
3620                 if (string != (const char *) NULL)
3621                   AppendKeyValue2Text(key,string);
3622                 /* else - assertion failure? */
3623               }
3624           continue;
3625         }
3626       /*
3627         Look for a known property or image attribute
3628         Such as  %[basename]  %[denisty]  %[delay]
3629         Also handles a braced single letter:  %[b] %[G] %[g]
3630       */
3631       string=GetMagickProperty(image_info,image,pattern,exception);
3632       if (string != (const char *) NULL)
3633         {
3634           AppendString2Text(string);
3635           continue;
3636         }
3637       /*
3638         Look for a per-image Artifact
3639         This includes option lookup (FUTURE: interpreted according to image)
3640       */
3641       if (image != (Image *)NULL)
3642         {
3643           string=GetImageArtifact(image,pattern);
3644           if (string != (char *) NULL)
3645             {
3646               AppendString2Text(string);
3647               continue;
3648             }
3649         }
3650       else
3651         /* no image, so direct 'option' lookup (no delayed percent escapes) */
3652         if (image_info != (ImageInfo *) NULL)
3653           {
3654             string=GetImageOption(image_info,pattern);
3655             if (string != (char *) NULL)
3656               {
3657                 AppendString2Text(string);
3658                 continue;
3659               }
3660           }
3661 PropertyLookupFailure:
3662       /*
3663         Failed to find any match anywhere!
3664       */
3665       if (len >= 64) {  /* truncate string for error message */
3666         pattern[61] = '.';
3667         pattern[62] = '.';
3668         pattern[63] = '.';
3669         pattern[64] = '\0';
3670       }
3671       (void) ThrowMagickException(exception,GetMagickModule(),
3672           OptionWarning,"UnknownImageProperty","\"%%[%s]\"",pattern);
3673       /* continue */
3674     } /* Braced Percent Escape */
3675
3676   } /* for each char in 'embed_text' */
3677   *q='\0';
3678   return(interpret_text);
3679 }
3680 \f
3681 /*
3682 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3683 %                                                                             %
3684 %                                                                             %
3685 %                                                                             %
3686 %   R e m o v e I m a g e P r o p e r t y                                     %
3687 %                                                                             %
3688 %                                                                             %
3689 %                                                                             %
3690 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3691 %
3692 %  RemoveImageProperty() removes a property from the image and returns its
3693 %  value.
3694 %
3695 %  In this case the ConstantString() value returned should be freed by the
3696 %  caller when finished.
3697 %
3698 %  The format of the RemoveImageProperty method is:
3699 %
3700 %      char *RemoveImageProperty(Image *image,const char *property)
3701 %
3702 %  A description of each parameter follows:
3703 %
3704 %    o image: the image.
3705 %
3706 %    o property: the image property.
3707 %
3708 */
3709 MagickExport char *RemoveImageProperty(Image *image,
3710   const char *property)
3711 {
3712   char
3713     *value;
3714
3715   assert(image != (Image *) NULL);
3716   assert(image->signature == MagickSignature);
3717   if( IfMagickTrue(image->debug) )
3718     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3719       image->filename);
3720   if (image->properties == (void *) NULL)
3721     return((char *) NULL);
3722   value=(char *) RemoveNodeFromSplayTree((SplayTreeInfo *) image->properties,
3723     property);
3724   return(value);
3725 }
3726 \f
3727 /*
3728 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3729 %                                                                             %
3730 %                                                                             %
3731 %                                                                             %
3732 %   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                       %
3733 %                                                                             %
3734 %                                                                             %
3735 %                                                                             %
3736 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3737 %
3738 %  ResetImagePropertyIterator() resets the image properties iterator.  Use it
3739 %  in conjunction with GetNextImageProperty() to iterate over all the values
3740 %  associated with an image property.
3741 %
3742 %  The format of the ResetImagePropertyIterator method is:
3743 %
3744 %      ResetImagePropertyIterator(Image *image)
3745 %
3746 %  A description of each parameter follows:
3747 %
3748 %    o image: the image.
3749 %
3750 */
3751 MagickExport void ResetImagePropertyIterator(const Image *image)
3752 {
3753   assert(image != (Image *) NULL);
3754   assert(image->signature == MagickSignature);
3755   if( IfMagickTrue(image->debug) )
3756     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3757       image->filename);
3758   if (image->properties == (void *) NULL)
3759     return;
3760   ResetSplayTreeIterator((SplayTreeInfo *) image->properties);
3761 }
3762 \f
3763 /*
3764 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3765 %                                                                             %
3766 %                                                                             %
3767 %                                                                             %
3768 %   S e t I m a g e P r o p e r t y                                           %
3769 %                                                                             %
3770 %                                                                             %
3771 %                                                                             %
3772 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3773 %
3774 %  SetImageProperty() saves the given string value either to specific known
3775 %  attribute or to a freeform property string.
3776 %
3777 %  Attempting to set a property that is normally calculated will produce
3778 %  an exception.
3779 %
3780 %  The format of the SetImageProperty method is:
3781 %
3782 %      MagickBooleanType SetImageProperty(Image *image,const char *property,
3783 %        const char *value,ExceptionInfo *exception)
3784 %
3785 %  A description of each parameter follows:
3786 %
3787 %    o image: the image.
3788 %
3789 %    o property: the image property.
3790 %
3791 %    o values: the image property values.
3792 %
3793 %    o exception: return any errors or warnings in this structure.
3794 %
3795 */
3796 MagickExport MagickBooleanType SetImageProperty(Image *image,
3797   const char *property,const char *value,ExceptionInfo *exception)
3798 {
3799   MagickBooleanType
3800     status;
3801
3802   MagickStatusType
3803     flags;
3804
3805   assert(image != (Image *) NULL);
3806   assert(image->signature == MagickSignature);
3807   if( IfMagickTrue(image->debug) )
3808     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3809   if (image->properties == (void *) NULL)
3810     image->properties=NewSplayTree(CompareSplayTreeString,
3811       RelinquishMagickMemory,RelinquishMagickMemory);  /* create splay-tree */
3812   if (value == (const char *) NULL)
3813     return(DeleteImageProperty(image,property));  /* delete if NULL */
3814   status=MagickTrue;
3815   if (strlen(property) <= 1)
3816     {
3817       /*
3818         Do not 'set' single letter properties - read only shorthand.
3819        */
3820       (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
3821         "SetReadOnlyProperty","`%s'",property);
3822       return(MagickFalse);
3823     }
3824
3825   /* FUTURE: binary chars or quotes in key should produce a error */
3826   /* Set attributes with known names or special prefixes
3827      return result is found, or break to set a free form properity
3828   */
3829   switch (*property)
3830   {
3831 #if 0  /* Percent escape's sets values with this prefix: for later use
3832           Throwing an exception causes this setting to fail */
3833     case '8':
3834     {
3835       if (LocaleNCompare("8bim:",property,5) == 0)
3836         {
3837           (void) ThrowMagickException(exception,GetMagickModule(),
3838                OptionError,"SetReadOnlyProperty","`%s'",property);
3839           return(MagickFalse);
3840         }
3841       break;
3842     }
3843 #endif
3844     case 'B':
3845     case 'b':
3846     {
3847       if (LocaleCompare("background",property) == 0)
3848         {
3849           (void) QueryColorCompliance(value,AllCompliance,
3850                &image->background_color,exception);
3851           /* check for FUTURE: value exception?? */
3852           /* also add user input to splay tree */
3853         }
3854       break; /* not an attribute, add as a property */
3855     }
3856     case 'C':
3857     case 'c':
3858     {
3859       if (LocaleCompare("channels",property) == 0)
3860         {
3861           (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
3862             "SetReadOnlyProperty","`%s'",property);
3863           return(MagickFalse);
3864         }
3865       if (LocaleCompare("colorspace",property) == 0)
3866         {
3867           ssize_t
3868             colorspace;
3869
3870           colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
3871             value);
3872           if (colorspace < 0)
3873             return(MagickFalse); /* FUTURE: value exception?? */
3874           return(SetImageColorspace(image,(ColorspaceType) colorspace,exception));
3875         }
3876       if (LocaleCompare("compose",property) == 0)
3877         {
3878           ssize_t
3879             compose;
3880
3881           compose=ParseCommandOption(MagickComposeOptions,MagickFalse,value);
3882           if (compose < 0)
3883             return(MagickFalse); /* FUTURE: value exception?? */
3884           image->compose=(CompositeOperator) compose;
3885           return(MagickTrue);
3886         }
3887       if (LocaleCompare("compress",property) == 0)
3888         {
3889           ssize_t
3890             compression;
3891
3892           compression=ParseCommandOption(MagickCompressOptions,MagickFalse,
3893             value);
3894           if (compression < 0)
3895             return(MagickFalse); /* FUTURE: value exception?? */
3896           image->compression=(CompressionType) compression;
3897           return(MagickTrue);
3898         }
3899       if (LocaleCompare("copyright",property) == 0)
3900         {
3901           (void) ThrowMagickException(exception,GetMagickModule(),
3902                OptionError,"SetReadOnlyProperty","`%s'",property);
3903           return(MagickFalse);
3904         }
3905       break; /* not an attribute, add as a property */
3906     }
3907     case 'D':
3908     case 'd':
3909     {
3910       if (LocaleCompare("delay",property) == 0)
3911         {
3912           GeometryInfo
3913             geometry_info;
3914
3915           flags=ParseGeometry(value,&geometry_info);
3916           if ((flags & GreaterValue) != 0)
3917             {
3918               if (image->delay > (size_t) floor(geometry_info.rho+0.5))
3919                 image->delay=(size_t) floor(geometry_info.rho+0.5);
3920             }
3921           else
3922             if ((flags & LessValue) != 0)
3923               {
3924                 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
3925                   image->delay=(ssize_t)
3926                     floor(geometry_info.sigma+0.5);
3927               }
3928             else
3929               image->delay=(size_t) floor(geometry_info.rho+0.5);
3930           if ((flags & SigmaValue) != 0)
3931             image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
3932           return(MagickTrue);
3933         }
3934       if (LocaleCompare("delay_units",property) == 0)
3935         {
3936           (void) ThrowMagickException(exception,GetMagickModule(),
3937                OptionError,"SetReadOnlyProperty","`%s'",property);
3938           return(MagickFalse);
3939         }
3940       if (LocaleCompare("density",property) == 0)
3941         {
3942           GeometryInfo
3943             geometry_info;
3944
3945           flags=ParseGeometry(value,&geometry_info);
3946           image->resolution.x=geometry_info.rho;
3947           image->resolution.y=geometry_info.sigma;
3948           if ((flags & SigmaValue) == 0)
3949             image->resolution.y=image->resolution.x;
3950           return(MagickTrue);
3951         }
3952       if (LocaleCompare("depth",property) == 0)
3953         {
3954           image->depth=StringToUnsignedLong(value);
3955           return(MagickTrue);
3956         }
3957       if (LocaleCompare("dispose",property) == 0)
3958         {
3959           ssize_t
3960             dispose;
3961
3962           dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,value);
3963           if (dispose < 0)
3964             return(MagickFalse); /* FUTURE: value exception?? */
3965           image->dispose=(DisposeType) dispose;
3966           return(MagickTrue);
3967         }
3968       break; /* not an attribute, add as a property */
3969     }
3970 #if 0  /* Percent escape's sets values with this prefix: for later use
3971           Throwing an exception causes this setting to fail */
3972     case 'E':
3973     case 'e':
3974     {
3975       if (LocaleNCompare("exif:",property,5) == 0)
3976         {
3977           (void) ThrowMagickException(exception,GetMagickModule(),
3978                OptionError,"SetReadOnlyProperty","`%s'",property);
3979           return(MagickFalse);
3980         }
3981       break; /* not an attribute, add as a property */
3982     }
3983     case 'F':
3984     case 'f':
3985     {
3986       if (LocaleNCompare("fx:",property,3) == 0)
3987         {
3988           (void) ThrowMagickException(exception,GetMagickModule(),
3989                OptionError,"SetReadOnlyProperty","`%s'",property);
3990           return(MagickFalse);
3991         }
3992       break; /* not an attribute, add as a property */
3993     }
3994 #endif
3995     case 'G':
3996     case 'g':
3997     {
3998       if (LocaleCompare("gamma",property) == 0)
3999         {
4000           image->gamma=StringToDouble(value,(char **) NULL);
4001           return(MagickTrue);
4002         }
4003       if (LocaleCompare("gravity",property) == 0)
4004         {
4005           ssize_t
4006             gravity;
4007
4008           gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,value);
4009           if (gravity < 0)
4010             return(MagickFalse); /* FUTURE: value exception?? */
4011           image->gravity=(GravityType) gravity;
4012           return(MagickTrue);
4013         }
4014       break; /* not an attribute, add as a property */
4015     }
4016     case 'H':
4017     case 'h':
4018     {
4019       if (LocaleCompare("height",property) == 0)
4020         {
4021           (void) ThrowMagickException(exception,GetMagickModule(),
4022                OptionError,"SetReadOnlyProperty","`%s'",property);
4023           return(MagickFalse);
4024         }
4025       break; /* not an attribute, add as a property */
4026     }
4027     case 'I':
4028     case 'i':
4029     {
4030       if (LocaleCompare("intensity",property) == 0)
4031         {
4032           ssize_t
4033             intensity;
4034
4035           intensity=ParseCommandOption(MagickIntentOptions,MagickFalse,
4036             value);
4037           if (intensity < 0)
4038             return(MagickFalse);
4039           image->intensity=(PixelIntensityMethod) intensity;
4040           return(MagickTrue);
4041         }
4042       if (LocaleCompare("intent",property) == 0)
4043         {
4044           ssize_t
4045             rendering_intent;
4046
4047           rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4048             value);
4049           if (rendering_intent < 0)
4050             return(MagickFalse); /* FUTURE: value exception?? */
4051           image->rendering_intent=(RenderingIntent) rendering_intent;
4052           return(MagickTrue);
4053         }
4054       if (LocaleCompare("interpolate",property) == 0)
4055         {
4056           ssize_t
4057             interpolate;
4058
4059           interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
4060             value);
4061           if (interpolate < 0)
4062             return(MagickFalse); /* FUTURE: value exception?? */
4063           image->interpolate=(PixelInterpolateMethod) interpolate;
4064           return(MagickTrue);
4065         }
4066 #if 0  /* Percent escape's sets values with this prefix: for later use
4067           Throwing an exception causes this setting to fail */
4068       if (LocaleNCompare("iptc:",property,5) == 0)
4069         {
4070           (void) ThrowMagickException(exception,GetMagickModule(),
4071                OptionError,"SetReadOnlyProperty","`%s'",property);
4072           return(MagickFalse);
4073         }
4074 #endif
4075       break; /* not an attribute, add as a property */
4076     }
4077     case 'K':
4078     case 'k':
4079       if (LocaleCompare("kurtosis",property) == 0)
4080         {
4081           (void) ThrowMagickException(exception,GetMagickModule(),
4082                OptionError,"SetReadOnlyProperty","`%s'",property);
4083           return(MagickFalse);
4084         }
4085       break; /* not an attribute, add as a property */
4086     case 'L':
4087     case 'l':
4088     {
4089       if (LocaleCompare("loop",property) == 0)
4090         {
4091           image->iterations=StringToUnsignedLong(value);
4092           return(MagickTrue);
4093         }
4094       break; /* not an attribute, add as a property */
4095     }
4096     case 'M':
4097     case 'm':
4098       if ( (LocaleCompare("magick",property) == 0) ||
4099            (LocaleCompare("max",property) == 0) ||
4100            (LocaleCompare("mean",property) == 0) ||
4101            (LocaleCompare("min",property) == 0) ||
4102            (LocaleCompare("min",property) == 0) )
4103         {
4104           (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
4105              "SetReadOnlyProperty","`%s'",property);
4106           return(MagickFalse);
4107         }
4108       break; /* not an attribute, add as a property */
4109     case 'O':
4110     case 'o':
4111       if (LocaleCompare("opaque",property) == 0)
4112         {
4113           (void) ThrowMagickException(exception,GetMagickModule(),
4114                OptionError,"SetReadOnlyProperty","`%s'",property);
4115           return(MagickFalse);
4116         }
4117       break; /* not an attribute, add as a property */
4118     case 'P':
4119     case 'p':
4120     {
4121       if (LocaleCompare("page",property) == 0)
4122         {
4123           char
4124             *geometry;
4125
4126           geometry=GetPageGeometry(value);
4127           flags=ParseAbsoluteGeometry(geometry,&image->page);
4128           geometry=DestroyString(geometry);
4129           return(MagickTrue);
4130         }
4131 #if 0  /* Percent escape's sets values with this prefix: for later use
4132           Throwing an exception causes this setting to fail */
4133       if (LocaleNCompare("pixel:",property,6) == 0)
4134         {
4135           (void) ThrowMagickException(exception,GetMagickModule(),
4136                OptionError,"SetReadOnlyProperty","`%s'",property);
4137           return(MagickFalse);
4138         }
4139 #endif
4140       if (LocaleCompare("profile",property) == 0)
4141         {
4142           ImageInfo
4143             *image_info;
4144
4145           StringInfo
4146             *profile;
4147
4148           image_info=AcquireImageInfo();
4149           (void) CopyMagickString(image_info->filename,value,MaxTextExtent);
4150           (void) SetImageInfo(image_info,1,exception);
4151           profile=FileToStringInfo(image_info->filename,~0UL,exception);
4152           if (profile != (StringInfo *) NULL)
4153             status=SetImageProfile(image,image_info->magick,profile,exception);
4154           image_info=DestroyImageInfo(image_info);
4155           return(MagickTrue);
4156         }
4157       break; /* not an attribute, add as a property */
4158     }
4159     case 'R':
4160     case 'r':
4161     {
4162       if (LocaleCompare("rendering-intent",property) == 0)
4163         {
4164           ssize_t
4165             rendering_intent;
4166
4167           rendering_intent=ParseCommandOption(MagickIntentOptions,MagickFalse,
4168             value);
4169           if (rendering_intent < 0)
4170             return(MagickFalse); /* FUTURE: value exception?? */
4171           image->rendering_intent=(RenderingIntent) rendering_intent;
4172           return(MagickTrue);
4173         }
4174       break; /* not an attribute, add as a property */
4175     }
4176     case 'S':
4177     case 's':
4178       if ( (LocaleCompare("size",property) == 0) ||
4179            (LocaleCompare("skewness",property) == 0) ||
4180            (LocaleCompare("scenes",property) == 0) ||
4181            (LocaleCompare("standard-deviation",property) == 0) )
4182         {
4183           (void) ThrowMagickException(exception,GetMagickModule(),
4184                OptionError,"SetReadOnlyProperty","`%s'",property);
4185           return(MagickFalse);
4186         }
4187       break; /* not an attribute, add as a property */
4188     case 'T':
4189     case 't':
4190     {
4191       if (LocaleCompare("tile-offset",property) == 0)
4192         {
4193           char
4194             *geometry;
4195
4196           geometry=GetPageGeometry(value);
4197           flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
4198           geometry=DestroyString(geometry);
4199           return(MagickTrue);
4200         }
4201       break; /* not an attribute, add as a property */
4202     }
4203     case 'U':
4204     case 'u':
4205     {
4206       if (LocaleCompare("units",property) == 0)
4207         {
4208           ssize_t
4209             units;
4210
4211           units=ParseCommandOption(MagickResolutionOptions,MagickFalse,value);
4212           if (units < 0)
4213             return(MagickFalse); /* FUTURE: value exception?? */
4214           image->units=(ResolutionType) units;
4215           return(MagickTrue);
4216         }
4217       break; /* not an attribute, add as a property */
4218     }
4219     case 'V':
4220     case 'v':
4221     {
4222       if (LocaleCompare("version",property) == 0)
4223         {
4224           (void) ThrowMagickException(exception,GetMagickModule(),
4225                OptionError,"SetReadOnlyProperty","`%s'",property);
4226           return(MagickFalse);
4227         }
4228       break; /* not an attribute, add as a property */
4229     }
4230     case 'W':
4231     case 'w':
4232     {
4233       if (LocaleCompare("width",property) == 0)
4234         {
4235           (void) ThrowMagickException(exception,GetMagickModule(),
4236                OptionError,"SetReadOnlyProperty","`%s'",property);
4237           return(MagickFalse);
4238         }
4239       break; /* not an attribute, add as a property */
4240     }
4241 #if 0  /* Percent escape's sets values with this prefix: for later use
4242           Throwing an exception causes this setting to fail */
4243     case 'X':
4244     case 'x':
4245     {
4246       if (LocaleNCompare("xmp:",property,4) == 0)
4247         {
4248           (void) ThrowMagickException(exception,GetMagickModule(),
4249                OptionError,"SetReadOnlyProperty","`%s'",property);
4250           return(MagickFalse);
4251         }
4252       break; /* not an attribute, add as a property */
4253     }
4254 #endif
4255   }
4256   /* Default: not an attribute, add as a property */
4257   status=AddValueToSplayTree((SplayTreeInfo *) image->properties,
4258     ConstantString(property),ConstantString(value));
4259   /* FUTURE: error if status is bad? */
4260   return(status);
4261 }