granicus.if.org Git - imagemagick/blob - MagickWand/identify.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %           IIIII  DDDD   EEEEE  N   N  TTTTT  IIIII  FFFFF  Y   Y            %
   7 %             I    D   D  E      NN  N    T      I    F       Y Y             %
   8 %             I    D   D  EEE    N N N    T      I    FFF      Y              %
   9 %             I    D   D  E      N  NN    T      I    F        Y              %
  10 %           IIIII  DDDD   EEEEE  N   N    T    IIIII  F        Y              %
  11 %                                                                             %
  12 %                                                                             %
  13 %               Identify an Image Format and Characteristics.                 %
  14 %                                                                             %
  15 %                           Software Design                                   %
  16 %                             John Cristy                                     %
  17 %                            September 1994                                   %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2012 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 %  The identify program describes the format and characteristics of one or more
  37 %  image files. It also reports if an image is incomplete or corrupt. The
  38 %  information returned includes the image number, the file name, the width and
  39 %  height of the image, whether the image is colormapped or not, the number of
  40 %  colors in the image, the number of bytes in the image, the format of the
  41 %  image (JPEG, PNM, etc.), and finally the number of seconds it took to read
  42 %  and process the image. Many more attributes are available with the verbose
  43 %  option.
  44 %
  45 */
  46 \f
  47 /*
  48   Include declarations.
  49 */
  50 #include "MagickWand/studio.h"
  51 #include "MagickWand/MagickWand.h"
  52 #include "MagickWand/mogrify-private.h"
  53 #include "MagickCore/string-private.h"
  54 \f
  55 /*
  56 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  57 %                                                                             %
  58 %                                                                             %
  59 %                                                                             %
  60 +   I d e n t i f y I m a g e C o m m a n d                                   %
  61 %                                                                             %
  62 %                                                                             %
  63 %                                                                             %
  64 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  65 %
  66 %  IdentifyImageCommand() describes the format and characteristics of one or
  67 %  more image files. It will also report if an image is incomplete or corrupt.
  68 %  The information displayed includes the scene number, the file name, the
  69 %  width and height of the image, whether the image is colormapped or not,
  70 %  the number of colors in the image, the number of bytes in the image, the
  71 %  format of the image (JPEG, PNM, etc.), and finally the number of seconds
  72 %  it took to read and process the image.
  73 %
  74 %  The format of the IdentifyImageCommand method is:
  75 %
  76 %      MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,int argc,
  77 %        char **argv,char **metadata,ExceptionInfo *exception)
  78 %
  79 %  A description of each parameter follows:
  80 %
  81 %    o image_info: the image info.
  82 %
  83 %    o argc: the number of elements in the argument vector.
  84 %
  85 %    o argv: A text array containing the command line arguments.
  86 %
  87 %    o metadata: any metadata is returned here.
  88 %
  89 %    o exception: return any errors or warnings in this structure.
  90 %
  91 */
  92
  93 static MagickBooleanType IdentifyUsage(void)
  94 {
  95   const char
  96     **p;
  97
  98   static const char
  99     *miscellaneous[]=
 100     {
 101       "-debug events        display copious debugging information",
 102       "-help                print program options",
 103       "-list type           print a list of supported option arguments",
 104       "-log format          format of debugging information",
 105       "-version             print version information",
 106       (char *) NULL
 107     },
 108     *operators[]=
 109     {
 110       "-negate              replace every pixel with its complementary color ",
 111       (char *) NULL
 112     },
 113     *settings[]=
 114     {
 115       "-alpha option        on, activate, off, deactivate, set, opaque, copy",
 116       "                     transparent, extract, background, or shape",
 117       "-antialias           remove pixel-aliasing",
 118       "-authenticate password",
 119       "                     decipher image with this password",
 120       "-channel type        apply option to select image channels",
 121       "-colorspace type     alternate image colorspace",
 122       "-crop geometry       cut out a rectangular region of the image",
 123       "-define format:option",
 124       "                     define one or more image format options",
 125       "-density geometry    horizontal and vertical density of the image",
 126       "-depth value         image depth",
 127       "-extract geometry    extract area from image",
 128       "-features distance   display image features (e.g. contrast, correlation)",
 129       "-format \"string\"     output formatted image characteristics",
 130       "-fuzz distance       colors within this distance are considered equal",
 131       "-gamma value         of gamma correction",
 132       "-interlace type      type of image interlacing scheme",
 133       "-interpolate method  pixel color interpolation method",
 134       "-limit type value    pixel cache resource limit",
 135       "-monitor             monitor progress",
 136       "-ping                efficiently determine image attributes",
 137       "-quiet               suppress all warning messages",
 138       "-regard-warnings     pay attention to warning messages",
 139       "-respect-parentheses settings remain in effect until parenthesis boundary",
 140       "-sampling-factor geometry",
 141       "                     horizontal and vertical sampling factor",
 142       "-seed value          seed a new sequence of pseudo-random numbers",
 143       "-set attribute value set an image attribute",
 144       "-size geometry       width and height of image",
 145       "-strip               strip image of all profiles and comments",
 146       "-unique              display the number of unique colors in the image",
 147       "-units type          the units of image resolution",
 148       "-verbose             print detailed information about the image",
 149       "-virtual-pixel method",
 150       "                     virtual pixel access method",
 151       (char *) NULL
 152     };
 153
 154   (void) printf("Version: %s\n",GetMagickVersion((size_t *) NULL));
 155   (void) printf("Copyright: %s\n",GetMagickCopyright());
 156   (void) printf("Features: %s\n\n",GetMagickFeatures());
 157   (void) printf("Usage: %s [options ...] file [ [options ...] "
 158     "file ... ]\n",GetClientName());
 159   (void) printf("\nImage Settings:\n");
 160   for (p=settings; *p != (char *) NULL; p++)
 161     (void) printf("  %s\n",*p);
 162   (void) printf("\nImage Operators:\n");
 163   for (p=operators; *p != (char *) NULL; p++)
 164     (void) printf("  %s\n",*p);
 165   (void) printf("\nMiscellaneous Options:\n");
 166   for (p=miscellaneous; *p != (char *) NULL; p++)
 167     (void) printf("  %s\n",*p);
 168   (void) printf(
 169     "\nBy default, the image format of 'file' is determined by its magic\n");
 170   (void) printf(
 171     "number.  To specify a particular image format, precede the filename\n");
 172   (void) printf(
 173     "with an image format name and a colon (i.e. ps:image) or specify the\n");
 174   (void) printf(
 175     "image type as the filename suffix (i.e. image.ps).  Specify 'file' as\n");
 176   (void) printf("'-' for standard input or output.\n");
 177   return(MagickFalse);
 178 }
 179
 180 WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,
 181   int argc,char **argv,char **metadata,ExceptionInfo *exception)
 182 {
 183 #define DestroyIdentify() \
 184 { \
 185   DestroyImageStack(); \
 186   for (i=0; i < (ssize_t) argc; i++) \
 187     argv[i]=DestroyString(argv[i]); \
 188   argv=(char **) RelinquishMagickMemory(argv); \
 189 }
 190 #define ThrowIdentifyException(asperity,tag,option) \
 191 { \
 192   (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"'%s'", \
 193     option); \
 194   DestroyIdentify(); \
 195   return(MagickFalse); \
 196 }
 197 #define ThrowIdentifyInvalidArgumentException(option,argument) \
 198 { \
 199   (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
 200     "InvalidArgument","'%s': %s",option,argument); \
 201   DestroyIdentify(); \
 202   return(MagickFalse); \
 203 }
 204
 205   const char
 206     *format,
 207     *option;
 208
 209   Image
 210     *image;
 211
 212   ImageStack
 213     image_stack[MaxImageStackDepth+1];
 214
 215   MagickBooleanType
 216     fire,
 217     pend,
 218     respect_parenthesis;
 219
 220   MagickStatusType
 221     status;
 222
 223   register ssize_t
 224     i;
 225
 226   size_t
 227     count;
 228
 229   ssize_t
 230     j,
 231     k;
 232
 233   /*
 234     Set defaults.
 235   */
 236   assert(image_info != (ImageInfo *) NULL);
 237   assert(image_info->signature == MagickSignature);
 238   if (image_info->debug != MagickFalse)
 239     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
 240   assert(exception != (ExceptionInfo *) NULL);
 241   if (argc == 2)
 242     {
 243       option=argv[1];
 244       if ((LocaleCompare("version",option+1) == 0) ||
 245           (LocaleCompare("-version",option+1) == 0))
 246         {
 247           (void) FormatLocaleFile(stdout,"Version: %s\n",
 248             GetMagickVersion((size_t *) NULL));
 249           (void) FormatLocaleFile(stdout,"Copyright: %s\n",
 250             GetMagickCopyright());
 251           (void) FormatLocaleFile(stdout,"Features: %s\n\n",
 252             GetMagickFeatures());
 253           return(MagickFalse);
 254         }
 255     }
 256   if (argc < 2)
 257     return(IdentifyUsage());
 258   count=0;
 259   format=NULL;
 260   j=1;
 261   k=0;
 262   NewImageStack();
 263   option=(char *) NULL;
 264   pend=MagickFalse;
 265   respect_parenthesis=MagickFalse;
 266   status=MagickTrue;
 267   /*
 268     Identify an image.
 269   */
 270   ReadCommandlLine(argc,&argv);
 271   status=ExpandFilenames(&argc,&argv);
 272   if (status == MagickFalse)
 273     ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed",
 274       GetExceptionMessage(errno));
 275   image_info->ping=MagickTrue;
 276   for (i=1; i < (ssize_t) argc; i++)
 277   {
 278     option=argv[i];
 279     if (LocaleCompare(option,"(") == 0)
 280       {
 281         FireImageStack(MagickFalse,MagickTrue,pend);
 282         if (k == MaxImageStackDepth)
 283           ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply",
 284             option);
 285         PushImageStack();
 286         continue;
 287       }
 288     if (LocaleCompare(option,")") == 0)
 289       {
 290         FireImageStack(MagickFalse,MagickTrue,MagickTrue);
 291         if (k == 0)
 292           ThrowIdentifyException(OptionError,"UnableToParseExpression",option);
 293         PopImageStack();
 294         continue;
 295       }
 296     if (IsCommandOption(option) == MagickFalse)
 297       {
 298         char
 299           *filename;
 300
 301         Image
 302           *images;
 303
 304         ImageInfo
 305           *identify_info;
 306
 307         /*
 308           Read input image.
 309         */
 310         FireImageStack(MagickFalse,MagickFalse,pend);
 311         identify_info=CloneImageInfo(image_info);
 312         identify_info->verbose=MagickFalse;
 313         filename=argv[i];
 314         if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
 315           filename=argv[++i];
 316         if (identify_info->ping != MagickFalse)
 317           images=PingImages(identify_info,filename,exception);
 318         else
 319           images=ReadImages(identify_info,filename,exception);
 320         identify_info=DestroyImageInfo(identify_info);
 321         status&=(images != (Image *) NULL) &&
 322           (exception->severity < ErrorException);
 323         if (images == (Image *) NULL)
 324           continue;
 325         AppendImageStack(images);
 326         FinalizeImageSettings(image_info,image,MagickFalse);
 327         for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
 328         {
 329           if (image->scene == 0)
 330             image->scene=count++;
 331           if (format == (char *) NULL)
 332             {
 333               (void) IdentifyImage(image,stdout,image_info->verbose,exception);
 334               continue;
 335             }
 336           if (metadata != (char **) NULL)
 337             {
 338               char
 339                 *text;
 340
 341               text=InterpretImageProperties(image_info,image,format,exception);
 342               if (text == (char *) NULL)
 343                 ThrowIdentifyException(ResourceLimitError,
 344                   "MemoryAllocationFailed",GetExceptionMessage(errno));
 345               (void) ConcatenateString(&(*metadata),text);
 346               text=DestroyString(text);
 347               if (LocaleCompare(format,"%n") == 0)
 348                 break;
 349             }
 350         }
 351         RemoveAllImageStack();
 352         continue;
 353       }
 354     pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
 355     switch (*(option+1))
 356     {
 357       case 'a':
 358       {
 359         if (LocaleCompare("alpha",option+1) == 0)
 360           {
 361             ssize_t
 362               type;
 363
 364             if (*option == '+')
 365               break;
 366             i++;
 367             if (i == (ssize_t) argc)
 368               ThrowIdentifyException(OptionError,"MissingArgument",option);
 369             type=ParseCommandOption(MagickAlphaOptions,MagickFalse,argv[i]);
 370             if (type < 0)
 371               ThrowIdentifyException(OptionError,"UnrecognizedAlphaChannelType",
 372                 argv[i]);
 373             break;
 374           }
 375         if (LocaleCompare("antialias",option+1) == 0)
 376           break;
 377         if (LocaleCompare("authenticate",option+1) == 0)
 378           {
 379             if (*option == '+')
 380               break;
 381             i++;
 382             if (i == (ssize_t) (argc-1))
 383               ThrowIdentifyException(OptionError,"MissingArgument",option);
 384             break;
 385           }
 386         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 387       }
 388       case 'c':
 389       {
 390         if (LocaleCompare("cache",option+1) == 0)
 391           {
 392             if (*option == '+')
 393               break;
 394             i++;
 395             if (i == (ssize_t) argc)
 396               ThrowIdentifyException(OptionError,"MissingArgument",option);
 397             if (IsGeometry(argv[i]) == MagickFalse)
 398               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 399             break;
 400           }
 401         if (LocaleCompare("channel",option+1) == 0)
 402           {
 403             ssize_t
 404               channel;
 405
 406             if (*option == '+')
 407               break;
 408             i++;
 409             if (i == (ssize_t) (argc-1))
 410               ThrowIdentifyException(OptionError,"MissingArgument",option);
 411             channel=ParseChannelOption(argv[i]);
 412             if (channel < 0)
 413               ThrowIdentifyException(OptionError,"UnrecognizedChannelType",
 414                 argv[i]);
 415             break;
 416           }
 417         if (LocaleCompare("colorspace",option+1) == 0)
 418           {
 419             ssize_t
 420               colorspace;
 421
 422             if (*option == '+')
 423               break;
 424             i++;
 425             if (i == (ssize_t) (argc-1))
 426               ThrowIdentifyException(OptionError,"MissingArgument",option);
 427             colorspace=ParseCommandOption(MagickColorspaceOptions,
 428               MagickFalse,argv[i]);
 429             if (colorspace < 0)
 430               ThrowIdentifyException(OptionError,"UnrecognizedColorspace",
 431                 argv[i]);
 432             break;
 433           }
 434         if (LocaleCompare("crop",option+1) == 0)
 435           {
 436             if (*option == '+')
 437               break;
 438             i++;
 439             if (i == (ssize_t) (argc-1))
 440               ThrowIdentifyException(OptionError,"MissingArgument",option);
 441             if (IsGeometry(argv[i]) == MagickFalse)
 442               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 443             image_info->ping=MagickFalse;
 444             break;
 445           }
 446         if (LocaleCompare("concurrent",option+1) == 0)
 447           break;
 448         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 449       }
 450       case 'd':
 451       {
 452         if (LocaleCompare("debug",option+1) == 0)
 453           {
 454             ssize_t
 455               event;
 456
 457             if (*option == '+')
 458               break;
 459             i++;
 460             if (i == (ssize_t) argc)
 461               ThrowIdentifyException(OptionError,"MissingArgument",option);
 462             event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]);
 463             if (event < 0)
 464               ThrowIdentifyException(OptionError,"UnrecognizedEventType",
 465                 argv[i]);
 466             (void) SetLogEventMask(argv[i]);
 467             break;
 468           }
 469         if (LocaleCompare("define",option+1) == 0)
 470           {
 471             i++;
 472             if (i == (ssize_t) argc)
 473               ThrowIdentifyException(OptionError,"MissingArgument",option);
 474             if (*option == '+')
 475               {
 476                 const char
 477                   *define;
 478
 479                 define=GetImageOption(image_info,argv[i]);
 480                 if (define == (const char *) NULL)
 481                   ThrowIdentifyException(OptionError,"NoSuchOption",argv[i]);
 482                 break;
 483               }
 484             break;
 485           }
 486         if (LocaleCompare("density",option+1) == 0)
 487           {
 488             if (*option == '+')
 489               break;
 490             i++;
 491             if (i == (ssize_t) argc)
 492               ThrowIdentifyException(OptionError,"MissingArgument",option);
 493             if (IsGeometry(argv[i]) == MagickFalse)
 494               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 495             break;
 496           }
 497         if (LocaleCompare("depth",option+1) == 0)
 498           {
 499             if (*option == '+')
 500               break;
 501             i++;
 502             if (i == (ssize_t) argc)
 503               ThrowIdentifyException(OptionError,"MissingArgument",option);
 504             if (IsGeometry(argv[i]) == MagickFalse)
 505               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 506             break;
 507           }
 508         if (LocaleCompare("duration",option+1) == 0)
 509           {
 510             if (*option == '+')
 511               break;
 512             i++;
 513             if (i == (ssize_t) (argc-1))
 514               ThrowIdentifyException(OptionError,"MissingArgument",option);
 515             if (IsGeometry(argv[i]) == MagickFalse)
 516               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 517             break;
 518           }
 519         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 520       }
 521       case 'f':
 522       {
 523         if (LocaleCompare("features",option+1) == 0)
 524           {
 525             if (*option == '+')
 526               break;
 527             i++;
 528             if (i == (ssize_t) (argc-1))
 529               ThrowIdentifyException(OptionError,"MissingArgument",option);
 530             if (IsGeometry(argv[i]) == MagickFalse)
 531               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 532             break;
 533           }
 534         if (LocaleCompare("format",option+1) == 0)
 535           {
 536             format=(char *) NULL;
 537             if (*option == '+')
 538               break;
 539             i++;
 540             if (i == (ssize_t) argc)
 541               ThrowIdentifyException(OptionError,"MissingArgument",option);
 542             format=argv[i];
 543             break;
 544           }
 545         if (LocaleCompare("fuzz",option+1) == 0)
 546           {
 547             if (*option == '+')
 548               break;
 549             i++;
 550             if (i == (ssize_t) (argc-1))
 551               ThrowIdentifyException(OptionError,"MissingArgument",option);
 552             if (IsGeometry(argv[i]) == MagickFalse)
 553               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 554             break;
 555           }
 556         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 557       }
 558       case 'g':
 559       {
 560         if (LocaleCompare("gamma",option+1) == 0)
 561           {
 562             i++;
 563             if (i == (ssize_t) (argc-1))
 564               ThrowIdentifyException(OptionError,"MissingArgument",option);
 565             if (IsGeometry(argv[i]) == MagickFalse)
 566               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 567             break;
 568           }
 569         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 570       }
 571       case 'h':
 572       {
 573         if ((LocaleCompare("help",option+1) == 0) ||
 574             (LocaleCompare("-help",option+1) == 0))
 575           return(IdentifyUsage());
 576         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 577       }
 578       case 'i':
 579       {
 580         if (LocaleCompare("interlace",option+1) == 0)
 581           {
 582             ssize_t
 583               interlace;
 584
 585             if (*option == '+')
 586               break;
 587             i++;
 588             if (i == (ssize_t) argc)
 589               ThrowIdentifyException(OptionError,"MissingArgument",option);
 590             interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
 591               argv[i]);
 592             if (interlace < 0)
 593               ThrowIdentifyException(OptionError,
 594                 "UnrecognizedInterlaceType",argv[i]);
 595             break;
 596           }
 597         if (LocaleCompare("interpolate",option+1) == 0)
 598           {
 599             ssize_t
 600               interpolate;
 601
 602             if (*option == '+')
 603               break;
 604             i++;
 605             if (i == (ssize_t) argc)
 606               ThrowIdentifyException(OptionError,"MissingArgument",option);
 607             interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
 608               argv[i]);
 609             if (interpolate < 0)
 610               ThrowIdentifyException(OptionError,
 611                 "UnrecognizedInterpolateMethod",argv[i]);
 612             break;
 613           }
 614         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 615       }
 616       case 'l':
 617       {
 618         if (LocaleCompare("limit",option+1) == 0)
 619           {
 620             char
 621               *p;
 622
 623             double
 624               value;
 625
 626             ssize_t
 627               resource;
 628
 629             if (*option == '+')
 630               break;
 631             i++;
 632             if (i == (ssize_t) argc)
 633               ThrowIdentifyException(OptionError,"MissingArgument",option);
 634             resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
 635               argv[i]);
 636             if (resource < 0)
 637               ThrowIdentifyException(OptionError,"UnrecognizedResourceType",
 638                 argv[i]);
 639             i++;
 640             if (i == (ssize_t) argc)
 641               ThrowIdentifyException(OptionError,"MissingArgument",option);
 642             value=StringToDouble(argv[i],&p);
 643             (void) value;
 644             if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
 645               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 646             break;
 647           }
 648         if (LocaleCompare("list",option+1) == 0)
 649           {
 650             ssize_t
 651               list;
 652
 653             if (*option == '+')
 654               break;
 655             i++;
 656             if (i == (ssize_t) argc)
 657               ThrowIdentifyException(OptionError,"MissingArgument",option);
 658             list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
 659             if (list < 0)
 660               ThrowIdentifyException(OptionError,"UnrecognizedListType",
 661                 argv[i]);
 662             status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
 663               argv+j,exception);
 664             DestroyIdentify();
 665             return(status != 0 ? MagickFalse : MagickTrue);
 666           }
 667         if (LocaleCompare("log",option+1) == 0)
 668           {
 669             if (*option == '+')
 670               break;
 671             i++;
 672             if ((i == (ssize_t) argc) ||
 673                 (strchr(argv[i],'%') == (char *) NULL))
 674               ThrowIdentifyException(OptionError,"MissingArgument",option);
 675             break;
 676           }
 677         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 678       }
 679       case 'm':
 680       {
 681         if (LocaleCompare("matte",option+1) == 0)
 682           break;
 683         if (LocaleCompare("monitor",option+1) == 0)
 684           break;
 685         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 686       }
 687       case 'n':
 688       {
 689         if (LocaleCompare("negate",option+1) == 0)
 690           break;
 691         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 692       }
 693       case 'p':
 694       {
 695         if (LocaleCompare("ping",option+1) == 0)
 696           break;
 697         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 698       }
 699       case 'q':
 700       {
 701         if (LocaleCompare("quiet",option+1) == 0)
 702           break;
 703         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 704       }
 705       case 'r':
 706       {
 707         if (LocaleCompare("regard-warnings",option+1) == 0)
 708           break;
 709         if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
 710           {
 711             respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
 712             break;
 713           }
 714         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 715       }
 716       case 's':
 717       {
 718         if (LocaleCompare("sampling-factor",option+1) == 0)
 719           {
 720             if (*option == '+')
 721               break;
 722             i++;
 723             if (i == (ssize_t) argc)
 724               ThrowIdentifyException(OptionError,"MissingArgument",option);
 725             if (IsGeometry(argv[i]) == MagickFalse)
 726               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 727             break;
 728           }
 729         if (LocaleCompare("seed",option+1) == 0)
 730           {
 731             if (*option == '+')
 732               break;
 733             i++;
 734             if (i == (ssize_t) (argc-1))
 735               ThrowIdentifyException(OptionError,"MissingArgument",option);
 736             if (IsGeometry(argv[i]) == MagickFalse)
 737               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 738             break;
 739           }
 740         if (LocaleCompare("set",option+1) == 0)
 741           {
 742             i++;
 743             if (i == (ssize_t) argc)
 744               ThrowIdentifyException(OptionError,"MissingArgument",option);
 745             if (*option == '+')
 746               break;
 747             i++;
 748             if (i == (ssize_t) argc)
 749               ThrowIdentifyException(OptionError,"MissingArgument",option);
 750             break;
 751           }
 752         if (LocaleCompare("size",option+1) == 0)
 753           {
 754             if (*option == '+')
 755               break;
 756             i++;
 757             if (i == (ssize_t) argc)
 758               ThrowIdentifyException(OptionError,"MissingArgument",option);
 759             if (IsGeometry(argv[i]) == MagickFalse)
 760               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 761             break;
 762           }
 763         if (LocaleCompare("strip",option+1) == 0)
 764           break;
 765         if (LocaleCompare("support",option+1) == 0)
 766           {
 767             if (*option == '+')
 768               break;
 769             i++;
 770             if (i == (ssize_t) argc)
 771               ThrowIdentifyException(OptionError,"MissingArgument",option);
 772             if (IsGeometry(argv[i]) == MagickFalse)
 773               ThrowIdentifyInvalidArgumentException(option,argv[i]);
 774             break;
 775           }
 776         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 777       }
 778       case 'u':
 779       {
 780         if (LocaleCompare("unique",option+1) == 0)
 781           break;
 782         if (LocaleCompare("units",option+1) == 0)
 783           {
 784             ssize_t
 785               units;
 786
 787             if (*option == '+')
 788               break;
 789             i++;
 790             if (i == (ssize_t) (argc-1))
 791               ThrowIdentifyException(OptionError,"MissingArgument",option);
 792             units=ParseCommandOption(MagickResolutionOptions,MagickFalse,
 793               argv[i]);
 794             if (units < 0)
 795               ThrowIdentifyException(OptionError,"UnrecognizedUnitsType",
 796                 argv[i]);
 797             break;
 798           }
 799         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 800       }
 801       case 'v':
 802       {
 803         if (LocaleCompare("verbose",option+1) == 0)
 804           break;
 805         if (LocaleCompare("virtual-pixel",option+1) == 0)
 806           {
 807             ssize_t
 808               method;
 809
 810             if (*option == '+')
 811               break;
 812             i++;
 813             if (i == (ssize_t) (argc-1))
 814               ThrowIdentifyException(OptionError,"MissingArgument",option);
 815             method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
 816               argv[i]);
 817             if (method < 0)
 818               ThrowIdentifyException(OptionError,
 819                 "UnrecognizedVirtualPixelMethod",argv[i]);
 820             break;
 821           }
 822         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 823       }
 824       case '?':
 825         break;
 826       default:
 827         ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
 828     }
 829     fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
 830       FireOptionFlag) == 0 ?  MagickFalse : MagickTrue;
 831     if (fire != MagickFalse)
 832       FireImageStack(MagickFalse,MagickTrue,MagickTrue);
 833   }
 834   if (k != 0)
 835     ThrowIdentifyException(OptionError,"UnbalancedParenthesis",argv[i]);
 836   if (i != (ssize_t) argc)
 837     ThrowIdentifyException(OptionError,"MissingAnImageFilename",argv[i]);
 838   DestroyIdentify();
 839   return(status != 0 ? MagickTrue : MagickFalse);
 840 }