granicus.if.org Git - imagemagick/blob - MagickCore/constitute.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %     CCCC   OOO   N   N  SSSSS  TTTTT  IIIII  TTTTT  U   U  TTTTT  EEEEE     %
   7 %    C      O   O  NN  N  SS       T      I      T    U   U    T    E         %
   8 %    C      O   O  N N N  ESSS     T      I      T    U   U    T    EEE       %
   9 %    C      O   O  N  NN     SS    T      I      T    U   U    T    E         %
  10 %     CCCC   OOO   N   N  SSSSS    T    IIIII    T     UUU     T    EEEEE     %
  11 %                                                                             %
  12 %                                                                             %
  13 %                  MagickCore Methods to Consitute an Image                   %
  14 %                                                                             %
  15 %                             Software Design                                 %
  16 %                                  Cristy                                     %
  17 %                               October 1998                                  %
  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 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/attribute.h"
  44 #include "MagickCore/blob.h"
  45 #include "MagickCore/blob-private.h"
  46 #include "MagickCore/exception.h"
  47 #include "MagickCore/exception-private.h"
  48 #include "MagickCore/cache.h"
  49 #include "MagickCore/client.h"
  50 #include "MagickCore/colorspace-private.h"
  51 #include "MagickCore/constitute.h"
  52 #include "MagickCore/constitute-private.h"
  53 #include "MagickCore/delegate.h"
  54 #include "MagickCore/geometry.h"
  55 #include "MagickCore/identify.h"
  56 #include "MagickCore/image-private.h"
  57 #include "MagickCore/list.h"
  58 #include "MagickCore/magick.h"
  59 #include "MagickCore/memory_.h"
  60 #include "MagickCore/monitor.h"
  61 #include "MagickCore/monitor-private.h"
  62 #include "MagickCore/option.h"
  63 #include "MagickCore/pixel.h"
  64 #include "MagickCore/pixel-accessor.h"
  65 #include "MagickCore/policy.h"
  66 #include "MagickCore/profile.h"
  67 #include "MagickCore/profile-private.h"
  68 #include "MagickCore/property.h"
  69 #include "MagickCore/quantum.h"
  70 #include "MagickCore/resize.h"
  71 #include "MagickCore/resource_.h"
  72 #include "MagickCore/semaphore.h"
  73 #include "MagickCore/statistic.h"
  74 #include "MagickCore/stream.h"
  75 #include "MagickCore/string_.h"
  76 #include "MagickCore/string-private.h"
  77 #include "MagickCore/timer.h"
  78 #include "MagickCore/token.h"
  79 #include "MagickCore/transform.h"
  80 #include "MagickCore/utility.h"
  81 #include "MagickCore/utility-private.h"
  82 \f
  83 /*
  84 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  85 %                                                                             %
  86 %                                                                             %
  87 %                                                                             %
  88 %   C o n s t i t u t e I m a g e                                             %
  89 %                                                                             %
  90 %                                                                             %
  91 %                                                                             %
  92 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  93 %
  94 %  ConstituteImage() returns an image from the pixel data you supply.
  95 %  The pixel data must be in scanline order top-to-bottom.  The data can be
  96 %  char, short int, int, float, or double.  Float and double require the
  97 %  pixels to be normalized [0..1], otherwise [0..QuantumRange].  For example, to
  98 %  create a 640x480 image from unsigned red-green-blue character data, use:
  99 %
 100 %      image = ConstituteImage(640,480,"RGB",CharPixel,pixels,&exception);
 101 %
 102 %  The format of the ConstituteImage method is:
 103 %
 104 %      Image *ConstituteImage(const size_t columns,const size_t rows,
 105 %        const char *map,const StorageType storage,const void *pixels,
 106 %        ExceptionInfo *exception)
 107 %
 108 %  A description of each parameter follows:
 109 %
 110 %    o columns: width in pixels of the image.
 111 %
 112 %    o rows: height in pixels of the image.
 113 %
 114 %    o map:  This string reflects the expected ordering of the pixel array.
 115 %      It can be any combination or order of R = red, G = green, B = blue,
 116 %      A = alpha (0 is transparent), O = opacity (0 is opaque), C = cyan,
 117 %      Y = yellow, M = magenta, K = black, I = intensity (for grayscale),
 118 %      P = pad.
 119 %
 120 %    o storage: Define the data type of the pixels.  Float and double types are
 121 %      expected to be normalized [0..1] otherwise [0..QuantumRange].  Choose
 122 %      from these types: CharPixel, DoublePixel, FloatPixel, IntegerPixel,
 123 %      LongPixel, QuantumPixel, or ShortPixel.
 124 %
 125 %    o pixels: This array of values contain the pixel components as defined by
 126 %      map and type.  You must preallocate this array where the expected
 127 %      length varies depending on the values of width, height, map, and type.
 128 %
 129 %    o exception: return any errors or warnings in this structure.
 130 %
 131 */
 132 MagickExport Image *ConstituteImage(const size_t columns,const size_t rows,
 133   const char *map,const StorageType storage,const void *pixels,
 134   ExceptionInfo *exception)
 135 {
 136   Image
 137     *image;
 138
 139   MagickBooleanType
 140     status;
 141
 142   /*
 143     Allocate image structure.
 144   */
 145   assert(map != (const char *) NULL);
 146   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",map);
 147   assert(pixels != (void *) NULL);
 148   assert(exception != (ExceptionInfo *) NULL);
 149   assert(exception->signature == MagickSignature);
 150   image=AcquireImage((ImageInfo *) NULL,exception);
 151   if (image == (Image *) NULL)
 152     return((Image *) NULL);
 153   if ((columns == 0) || (rows == 0))
 154     ThrowImageException(OptionError,"NonZeroWidthAndHeightRequired");
 155   image->columns=columns;
 156   image->rows=rows;
 157   (void) SetImageBackgroundColor(image,exception);
 158   status=ImportImagePixels(image,0,0,columns,rows,map,storage,pixels,exception);
 159   if (status == MagickFalse)
 160      image=DestroyImage(image);
 161   return(image);
 162 }
 163 \f
 164 /*
 165 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 166 %                                                                             %
 167 %                                                                             %
 168 %                                                                             %
 169 %   P i n g I m a g e                                                         %
 170 %                                                                             %
 171 %                                                                             %
 172 %                                                                             %
 173 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 174 %
 175 %  PingImage() returns all the properties of an image or image sequence
 176 %  except for the pixels.  It is much faster and consumes far less memory
 177 %  than ReadImage().  On failure, a NULL image is returned and exception
 178 %  describes the reason for the failure.
 179 %
 180 %  The format of the PingImage method is:
 181 %
 182 %      Image *PingImage(const ImageInfo *image_info,ExceptionInfo *exception)
 183 %
 184 %  A description of each parameter follows:
 185 %
 186 %    o image_info: Ping the image defined by the file or filename members of
 187 %      this structure.
 188 %
 189 %    o exception: return any errors or warnings in this structure.
 190 %
 191 */
 192
 193 #if defined(__cplusplus) || defined(c_plusplus)
 194 extern "C" {
 195 #endif
 196
 197 static size_t PingStream(const Image *magick_unused(image),
 198   const void *magick_unused(pixels),const size_t columns)
 199 {
 200   return(columns);
 201 }
 202
 203 #if defined(__cplusplus) || defined(c_plusplus)
 204 }
 205 #endif
 206
 207 MagickExport Image *PingImage(const ImageInfo *image_info,
 208   ExceptionInfo *exception)
 209 {
 210   Image
 211     *image;
 212
 213   ImageInfo
 214     *ping_info;
 215
 216   assert(image_info != (ImageInfo *) NULL);
 217   assert(image_info->signature == MagickSignature);
 218   if (image_info->debug != MagickFalse)
 219     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 220       image_info->filename);
 221   assert(exception != (ExceptionInfo *) NULL);
 222   ping_info=CloneImageInfo(image_info);
 223   ping_info->ping=MagickTrue;
 224   image=ReadStream(ping_info,&PingStream,exception);
 225   if (image != (Image *) NULL)
 226     {
 227       ResetTimer(&image->timer);
 228       if (ping_info->verbose != MagickFalse)
 229         (void) IdentifyImage(image,stdout,MagickFalse,exception);
 230     }
 231   ping_info=DestroyImageInfo(ping_info);
 232   return(image);
 233 }
 234 \f
 235 /*
 236 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 237 %                                                                             %
 238 %                                                                             %
 239 %                                                                             %
 240 %   P i n g I m a g e s                                                       %
 241 %                                                                             %
 242 %                                                                             %
 243 %                                                                             %
 244 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 245 %
 246 %  PingImages() pings one or more images and returns them as an image list.
 247 %
 248 %  The format of the PingImage method is:
 249 %
 250 %      Image *PingImages(ImageInfo *image_info,const char *filename,
 251 %        ExceptionInfo *exception)
 252 %
 253 %  A description of each parameter follows:
 254 %
 255 %    o image_info: the image info.
 256 %
 257 %    o filename: the image filename.
 258 %
 259 %    o exception: return any errors or warnings in this structure.
 260 %
 261 */
 262 MagickExport Image *PingImages(ImageInfo *image_info,const char *filename,
 263   ExceptionInfo *exception)
 264 {
 265   char
 266     ping_filename[MaxTextExtent];
 267
 268   Image
 269     *image,
 270     *images;
 271
 272   ImageInfo
 273     *read_info;
 274
 275   /*
 276     Ping image list from a file.
 277   */
 278   assert(image_info != (ImageInfo *) NULL);
 279   assert(image_info->signature == MagickSignature);
 280   if (image_info->debug != MagickFalse)
 281     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 282       image_info->filename);
 283   assert(exception != (ExceptionInfo *) NULL);
 284   (void) SetImageOption(image_info,"filename",filename);
 285   (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
 286   (void) InterpretImageFilename(image_info,(Image *) NULL,image_info->filename,
 287     (int) image_info->scene,ping_filename,exception);
 288   if (LocaleCompare(ping_filename,image_info->filename) != 0)
 289     {
 290       ExceptionInfo
 291         *sans;
 292
 293       ssize_t
 294         extent,
 295         scene;
 296
 297       /*
 298         Images of the form image-%d.png[1-5].
 299       */
 300       read_info=CloneImageInfo(image_info);
 301       sans=AcquireExceptionInfo();
 302       (void) SetImageInfo(read_info,0,sans);
 303       sans=DestroyExceptionInfo(sans);
 304       if (read_info->number_scenes == 0)
 305         {
 306           read_info=DestroyImageInfo(read_info);
 307           return(PingImage(image_info,exception));
 308         }
 309       (void) CopyMagickString(ping_filename,read_info->filename,MaxTextExtent);
 310       images=NewImageList();
 311       extent=(ssize_t) (read_info->scene+read_info->number_scenes);
 312       for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
 313       {
 314         (void) InterpretImageFilename(image_info,(Image *) NULL,ping_filename,
 315           (int) scene,read_info->filename,exception);
 316         image=PingImage(read_info,exception);
 317         if (image == (Image *) NULL)
 318           continue;
 319         AppendImageToList(&images,image);
 320       }
 321       read_info=DestroyImageInfo(read_info);
 322       return(images);
 323     }
 324   return(PingImage(image_info,exception));
 325 }
 326 \f
 327 /*
 328 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 329 %                                                                             %
 330 %                                                                             %
 331 %                                                                             %
 332 %   R e a d I m a g e                                                         %
 333 %                                                                             %
 334 %                                                                             %
 335 %                                                                             %
 336 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 337 %
 338 %  ReadImage() reads an image or image sequence from a file or file handle.
 339 %  The method returns a NULL if there is a memory shortage or if the image
 340 %  cannot be read.  On failure, a NULL image is returned and exception
 341 %  describes the reason for the failure.
 342 %
 343 %  The format of the ReadImage method is:
 344 %
 345 %      Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
 346 %
 347 %  A description of each parameter follows:
 348 %
 349 %    o image_info: Read the image defined by the file or filename members of
 350 %      this structure.
 351 %
 352 %    o exception: return any errors or warnings in this structure.
 353 %
 354 */
 355 MagickExport Image *ReadImage(const ImageInfo *image_info,
 356   ExceptionInfo *exception)
 357 {
 358   char
 359     filename[MaxTextExtent],
 360     magick[MaxTextExtent],
 361     magick_filename[MaxTextExtent];
 362
 363   const char
 364     *value;
 365
 366   const DelegateInfo
 367     *delegate_info;
 368
 369   const MagickInfo
 370     *magick_info;
 371
 372   ExceptionInfo
 373     *sans_exception;
 374
 375   GeometryInfo
 376     geometry_info;
 377
 378   Image
 379     *image,
 380     *next;
 381
 382   ImageInfo
 383     *read_info;
 384
 385   MagickStatusType
 386     flags,
 387     thread_support;
 388
 389   PolicyDomain
 390     domain;
 391
 392   PolicyRights
 393     rights;
 394
 395   /*
 396     Determine image type from filename prefix or suffix (e.g. image.jpg).
 397   */
 398   assert(image_info != (ImageInfo *) NULL);
 399   assert(image_info->signature == MagickSignature);
 400   assert(image_info->filename != (char *) NULL);
 401   if (image_info->debug != MagickFalse)
 402     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 403       image_info->filename);
 404   assert(exception != (ExceptionInfo *) NULL);
 405   read_info=CloneImageInfo(image_info);
 406   (void) CopyMagickString(magick_filename,read_info->filename,MaxTextExtent);
 407   (void) SetImageInfo(read_info,0,exception);
 408   (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
 409   (void) CopyMagickString(magick,read_info->magick,MaxTextExtent);
 410   domain=CoderPolicyDomain;
 411   rights=ReadPolicyRights;
 412   if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse)
 413     {
 414       errno=EPERM;
 415       (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
 416         "NotAuthorized","`%s'",read_info->filename);
 417       read_info=DestroyImageInfo(read_info);
 418       return((Image *) NULL);
 419     }
 420   /*
 421     Call appropriate image reader based on image type.
 422   */
 423   sans_exception=AcquireExceptionInfo();
 424   magick_info=GetMagickInfo(read_info->magick,sans_exception);
 425   sans_exception=DestroyExceptionInfo(sans_exception);
 426   if (magick_info != (const MagickInfo *) NULL)
 427     {
 428       if (GetMagickEndianSupport(magick_info) == MagickFalse)
 429         read_info->endian=UndefinedEndian;
 430       else
 431         if ((image_info->endian == UndefinedEndian) &&
 432             (GetMagickRawSupport(magick_info) != MagickFalse))
 433           {
 434             size_t
 435               lsb_first;
 436
 437             lsb_first=1;
 438             read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
 439               MSBEndian;
 440          }
 441     }
 442   if ((magick_info != (const MagickInfo *) NULL) &&
 443       (GetMagickSeekableStream(magick_info) != MagickFalse))
 444     {
 445       MagickBooleanType
 446         status;
 447
 448       image=AcquireImage(read_info,exception);
 449       (void) CopyMagickString(image->filename,read_info->filename,
 450         MaxTextExtent);
 451       status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 452       if (status == MagickFalse)
 453         {
 454           read_info=DestroyImageInfo(read_info);
 455           image=DestroyImage(image);
 456           return((Image *) NULL);
 457         }
 458       if (IsBlobSeekable(image) == MagickFalse)
 459         {
 460           /*
 461             Coder requires a seekable stream.
 462           */
 463           *read_info->filename='\0';
 464           status=ImageToFile(image,read_info->filename,exception);
 465           if (status == MagickFalse)
 466             {
 467               (void) CloseBlob(image);
 468               read_info=DestroyImageInfo(read_info);
 469               image=DestroyImage(image);
 470               return((Image *) NULL);
 471             }
 472           read_info->temporary=MagickTrue;
 473         }
 474       (void) CloseBlob(image);
 475       image=DestroyImage(image);
 476     }
 477   image=NewImageList();
 478   if ((magick_info == (const MagickInfo *) NULL) ||
 479       (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
 480     {
 481       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
 482       if (delegate_info == (const DelegateInfo *) NULL)
 483         {
 484           (void) SetImageInfo(read_info,0,exception);
 485           (void) CopyMagickString(read_info->filename,filename,MaxTextExtent);
 486           magick_info=GetMagickInfo(read_info->magick,exception);
 487         }
 488     }
 489   if ((magick_info != (const MagickInfo *) NULL) &&
 490       (GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
 491     {
 492       thread_support=GetMagickThreadSupport(magick_info);
 493       if ((thread_support & DecoderThreadSupport) == 0)
 494         LockSemaphoreInfo(magick_info->semaphore);
 495       image=GetImageDecoder(magick_info)(read_info,exception);
 496       if ((thread_support & DecoderThreadSupport) == 0)
 497         UnlockSemaphoreInfo(magick_info->semaphore);
 498     }
 499   else
 500     {
 501       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
 502       if (delegate_info == (const DelegateInfo *) NULL)
 503         {
 504           (void) ThrowMagickException(exception,GetMagickModule(),
 505             MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
 506             read_info->magick);
 507           if (read_info->temporary != MagickFalse)
 508             (void) RelinquishUniqueFileResource(read_info->filename);
 509           read_info=DestroyImageInfo(read_info);
 510           return((Image *) NULL);
 511         }
 512       /*
 513         Let our decoding delegate process the image.
 514       */
 515       image=AcquireImage(read_info,exception);
 516       if (image == (Image *) NULL)
 517         {
 518           read_info=DestroyImageInfo(read_info);
 519           return((Image *) NULL);
 520         }
 521       (void) CopyMagickString(image->filename,read_info->filename,
 522         MaxTextExtent);
 523       *read_info->filename='\0';
 524       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
 525         LockSemaphoreInfo(delegate_info->semaphore);
 526       (void) InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
 527         exception);
 528       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
 529         UnlockSemaphoreInfo(delegate_info->semaphore);
 530       image=DestroyImageList(image);
 531       read_info->temporary=MagickTrue;
 532       (void) SetImageInfo(read_info,0,exception);
 533       magick_info=GetMagickInfo(read_info->magick,exception);
 534       if ((magick_info == (const MagickInfo *) NULL) ||
 535           (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
 536         {
 537           if (IsPathAccessible(read_info->filename) != MagickFalse)
 538             (void) ThrowMagickException(exception,GetMagickModule(),
 539               MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
 540               read_info->magick);
 541           else
 542             ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
 543               read_info->filename);
 544           read_info=DestroyImageInfo(read_info);
 545           return((Image *) NULL);
 546         }
 547       thread_support=GetMagickThreadSupport(magick_info);
 548       if ((thread_support & DecoderThreadSupport) == 0)
 549         LockSemaphoreInfo(magick_info->semaphore);
 550       image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
 551       if ((thread_support & DecoderThreadSupport) == 0)
 552         UnlockSemaphoreInfo(magick_info->semaphore);
 553     }
 554   if (read_info->temporary != MagickFalse)
 555     {
 556       (void) RelinquishUniqueFileResource(read_info->filename);
 557       read_info->temporary=MagickFalse;
 558       if (image != (Image *) NULL)
 559         (void) CopyMagickString(image->filename,filename,MaxTextExtent);
 560     }
 561   if (image == (Image *) NULL)
 562     {
 563       read_info=DestroyImageInfo(read_info);
 564       return(image);
 565     }
 566   if (exception->severity >= ErrorException)
 567     (void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
 568       "Coder (%s) generated an image despite an error (%d), "
 569       "notify the developers",image->magick,exception->severity);
 570   if (IsBlobTemporary(image) != MagickFalse)
 571     (void) RelinquishUniqueFileResource(read_info->filename);
 572   if ((GetNextImageInList(image) != (Image *) NULL) &&
 573       (IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
 574     {
 575       Image
 576         *clones;
 577
 578       clones=CloneImages(image,read_info->scenes,exception);
 579       if (clones == (Image *) NULL)
 580         (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
 581           "SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
 582       else
 583         {
 584           image=DestroyImageList(image);
 585           image=GetFirstImageInList(clones);
 586         }
 587     }
 588   if (GetBlobError(image) != MagickFalse)
 589     ThrowFileException(exception,FileOpenError,
 590       "AnErrorHasOccurredReadingFromFile",read_info->filename);
 591   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
 592   {
 593     char
 594       magick_path[MaxTextExtent],
 595       *property,
 596       timestamp[MaxTextExtent];
 597
 598     const char
 599       *option;
 600
 601     const StringInfo
 602       *profile;
 603
 604     next->taint=MagickFalse;
 605     GetPathComponent(magick_filename,MagickPath,magick_path);
 606     if (*magick_path == '\0')
 607       (void) CopyMagickString(next->magick,magick,MaxTextExtent);
 608     (void) CopyMagickString(next->magick_filename,magick_filename,
 609       MaxTextExtent);
 610     if (IsBlobTemporary(image) != MagickFalse)
 611       (void) CopyMagickString(next->filename,filename,MaxTextExtent);
 612     if (next->magick_columns == 0)
 613       next->magick_columns=next->columns;
 614     if (next->magick_rows == 0)
 615       next->magick_rows=next->rows;
 616     value=GetImageProperty(next,"tiff:Orientation",exception);
 617     if (value == (char *) NULL)
 618       value=GetImageProperty(next,"exif:Orientation",exception);
 619     if (value != (char *) NULL)
 620       {
 621         next->orientation=(OrientationType) StringToLong(value);
 622         (void) DeleteImageProperty(next,"tiff:Orientation");
 623         (void) DeleteImageProperty(next,"exif:Orientation");
 624       }
 625     value=GetImageProperty(next,"exif:XResolution",exception);
 626     if (value != (char *) NULL)
 627       {
 628         geometry_info.rho=next->resolution.x;
 629         geometry_info.sigma=1.0;
 630         flags=ParseGeometry(value,&geometry_info);
 631         if (geometry_info.sigma != 0)
 632           next->resolution.x=geometry_info.rho/geometry_info.sigma;
 633         (void) DeleteImageProperty(next,"exif:XResolution");
 634       }
 635     value=GetImageProperty(next,"exif:YResolution",exception);
 636     if (value != (char *) NULL)
 637       {
 638         geometry_info.rho=next->resolution.y;
 639         geometry_info.sigma=1.0;
 640         flags=ParseGeometry(value,&geometry_info);
 641         if (geometry_info.sigma != 0)
 642           next->resolution.y=geometry_info.rho/geometry_info.sigma;
 643         (void) DeleteImageProperty(next,"exif:YResolution");
 644       }
 645     value=GetImageProperty(next,"tiff:ResolutionUnit",exception);
 646     if (value == (char *) NULL)
 647       value=GetImageProperty(next,"exif:ResolutionUnit",exception);
 648     if (value != (char *) NULL)
 649       {
 650         next->units=(ResolutionType) (StringToLong(value)-1);
 651         (void) DeleteImageProperty(next,"exif:ResolutionUnit");
 652         (void) DeleteImageProperty(next,"tiff:ResolutionUnit");
 653       }
 654     if (next->page.width == 0)
 655       next->page.width=next->columns;
 656     if (next->page.height == 0)
 657       next->page.height=next->rows;
 658     option=GetImageOption(read_info,"caption");
 659     if (option != (const char *) NULL)
 660       {
 661         property=InterpretImageProperties(read_info,next,option,exception);
 662         (void) SetImageProperty(next,"caption",property,exception);
 663         property=DestroyString(property);
 664       }
 665     option=GetImageOption(read_info,"comment");
 666     if (option != (const char *) NULL)
 667       {
 668         property=InterpretImageProperties(read_info,next,option,exception);
 669         (void) SetImageProperty(next,"comment",property,exception);
 670         property=DestroyString(property);
 671       }
 672     option=GetImageOption(read_info,"label");
 673     if (option != (const char *) NULL)
 674       {
 675         property=InterpretImageProperties(read_info,next,option,exception);
 676         (void) SetImageProperty(next,"label",property,exception);
 677         property=DestroyString(property);
 678       }
 679     if (LocaleCompare(next->magick,"TEXT") == 0)
 680       (void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
 681     if ((read_info->extract != (char *) NULL) &&
 682         (read_info->stream == (StreamHandler) NULL))
 683       {
 684         RectangleInfo
 685           geometry;
 686
 687         flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
 688         if ((next->columns != geometry.width) ||
 689             (next->rows != geometry.height))
 690           {
 691             if (((flags & XValue) != 0) || ((flags & YValue) != 0))
 692               {
 693                 Image
 694                   *crop_image;
 695
 696                 crop_image=CropImage(next,&geometry,exception);
 697                 if (crop_image != (Image *) NULL)
 698                   ReplaceImageInList(&next,crop_image);
 699               }
 700             else
 701               if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
 702                 {
 703                   Image
 704                     *size_image;
 705
 706                   flags=ParseRegionGeometry(next,read_info->extract,&geometry,
 707                     exception);
 708                   size_image=ResizeImage(next,geometry.width,geometry.height,
 709                     next->filter,exception);
 710                   if (size_image != (Image *) NULL)
 711                     ReplaceImageInList(&next,size_image);
 712                 }
 713           }
 714       }
 715     profile=GetImageProfile(next,"icc");
 716     if (profile == (const StringInfo *) NULL)
 717       profile=GetImageProfile(next,"icm");
 718     profile=GetImageProfile(next,"iptc");
 719     if (profile == (const StringInfo *) NULL)
 720       profile=GetImageProfile(next,"8bim");
 721     (void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MaxTextExtent,
 722       timestamp);
 723     (void) SetImageProperty(next,"date:modify",timestamp,exception);
 724     (void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MaxTextExtent,
 725       timestamp);
 726     (void) SetImageProperty(next,"date:create",timestamp,exception);
 727     option=GetImageOption(image_info,"delay");
 728     if (option != (const char *) NULL)
 729       {
 730         GeometryInfo
 731           geometry_info;
 732
 733         flags=ParseGeometry(option,&geometry_info);
 734         if ((flags & GreaterValue) != 0)
 735           {
 736             if (next->delay > (size_t) floor(geometry_info.rho+0.5))
 737               next->delay=(size_t) floor(geometry_info.rho+0.5);
 738           }
 739         else
 740           if ((flags & LessValue) != 0)
 741             {
 742               if (next->delay < (size_t) floor(geometry_info.rho+0.5))
 743                 next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
 744             }
 745           else
 746             next->delay=(size_t) floor(geometry_info.rho+0.5);
 747         if ((flags & SigmaValue) != 0)
 748           next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
 749       }
 750     option=GetImageOption(image_info,"dispose");
 751     if (option != (const char *) NULL)
 752       next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
 753         MagickFalse,option);
 754     if (read_info->verbose != MagickFalse)
 755       (void) IdentifyImage(next,stderr,MagickFalse,exception);
 756     image=next;
 757   }
 758   read_info=DestroyImageInfo(read_info);
 759   return(GetFirstImageInList(image));
 760 }
 761 \f
 762 /*
 763 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 764 %                                                                             %
 765 %                                                                             %
 766 %                                                                             %
 767 %   R e a d I m a g e s                                                       %
 768 %                                                                             %
 769 %                                                                             %
 770 %                                                                             %
 771 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 772 %
 773 %  ReadImages() reads one or more images and returns them as an image list.
 774 %
 775 %  The format of the ReadImage method is:
 776 %
 777 %      Image *ReadImages(ImageInfo *image_info,const char *filename,
 778 %        ExceptionInfo *exception)
 779 %
 780 %  A description of each parameter follows:
 781 %
 782 %    o image_info: the image info.
 783 %
 784 %    o filename: the image filename.
 785 %
 786 %    o exception: return any errors or warnings in this structure.
 787 %
 788 */
 789 MagickExport Image *ReadImages(ImageInfo *image_info,const char *filename,
 790   ExceptionInfo *exception)
 791 {
 792   char
 793     read_filename[MaxTextExtent];
 794
 795   Image
 796     *image,
 797     *images;
 798
 799   ImageInfo
 800     *read_info;
 801
 802   /*
 803     Read image list from a file.
 804   */
 805   assert(image_info != (ImageInfo *) NULL);
 806   assert(image_info->signature == MagickSignature);
 807   if (image_info->debug != MagickFalse)
 808     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 809       image_info->filename);
 810   assert(exception != (ExceptionInfo *) NULL);
 811   (void) SetImageOption(image_info,"filename",filename);
 812   (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
 813   (void) InterpretImageFilename(image_info,(Image *) NULL,filename,
 814     (int) image_info->scene,read_filename,exception);
 815   if (LocaleCompare(read_filename,image_info->filename) != 0)
 816     {
 817       ExceptionInfo
 818         *sans;
 819
 820       ssize_t
 821         extent,
 822         scene;
 823
 824       /*
 825         Images of the form image-%d.png[1-5].
 826       */
 827       read_info=CloneImageInfo(image_info);
 828       sans=AcquireExceptionInfo();
 829       (void) SetImageInfo(read_info,0,sans);
 830       sans=DestroyExceptionInfo(sans);
 831       if (read_info->number_scenes == 0)
 832         {
 833           read_info=DestroyImageInfo(read_info);
 834           return(ReadImage(image_info,exception));
 835         }
 836       (void) CopyMagickString(read_filename,read_info->filename,MaxTextExtent);
 837       images=NewImageList();
 838       extent=(ssize_t) (read_info->scene+read_info->number_scenes);
 839       for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
 840       {
 841         (void) InterpretImageFilename(image_info,(Image *) NULL,read_filename,
 842           (int) scene,read_info->filename,exception);
 843         image=ReadImage(read_info,exception);
 844         if (image == (Image *) NULL)
 845           continue;
 846         AppendImageToList(&images,image);
 847       }
 848       read_info=DestroyImageInfo(read_info);
 849       return(images);
 850     }
 851   return(ReadImage(image_info,exception));
 852 }
 853 \f
 854 /*
 855 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 856 %                                                                             %
 857 %                                                                             %
 858 %                                                                             %
 859 +   R e a d I n l i n e I m a g e                                             %
 860 %                                                                             %
 861 %                                                                             %
 862 %                                                                             %
 863 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 864 %
 865 %  ReadInlineImage() reads a Base64-encoded inline image or image sequence.
 866 %  The method returns a NULL if there is a memory shortage or if the image
 867 %  cannot be read.  On failure, a NULL image is returned and exception
 868 %  describes the reason for the failure.
 869 %
 870 %  The format of the ReadInlineImage method is:
 871 %
 872 %      Image *ReadInlineImage(const ImageInfo *image_info,const char *content,
 873 %        ExceptionInfo *exception)
 874 %
 875 %  A description of each parameter follows:
 876 %
 877 %    o image_info: the image info.
 878 %
 879 %    o content: the image encoded in Base64.
 880 %
 881 %    o exception: return any errors or warnings in this structure.
 882 %
 883 */
 884 MagickExport Image *ReadInlineImage(const ImageInfo *image_info,
 885   const char *content,ExceptionInfo *exception)
 886 {
 887   Image
 888     *image;
 889
 890   ImageInfo
 891     *read_info;
 892
 893   unsigned char
 894     *blob;
 895
 896   size_t
 897     length;
 898
 899   register const char
 900     *p;
 901
 902   /*
 903     Skip over header (e.g. data:image/gif;base64,).
 904   */
 905   image=NewImageList();
 906   for (p=content; (*p != ',') && (*p != '\0'); p++) ;
 907   if (*p == '\0')
 908     ThrowReaderException(CorruptImageError,"CorruptImage");
 909   p++;
 910   length=0;
 911   blob=Base64Decode(p,&length);
 912   if (length == 0)
 913     ThrowReaderException(CorruptImageError,"CorruptImage");
 914   read_info=CloneImageInfo(image_info);
 915   (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
 916     (void *) NULL);
 917   *read_info->filename='\0';
 918   *read_info->magick='\0';
 919   image=BlobToImage(read_info,blob,length,exception);
 920   blob=(unsigned char *) RelinquishMagickMemory(blob);
 921   read_info=DestroyImageInfo(read_info);
 922   return(image);
 923 }
 924 \f
 925 /*
 926 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 927 %                                                                             %
 928 %                                                                             %
 929 %                                                                             %
 930 %   W r i t e I m a g e                                                       %
 931 %                                                                             %
 932 %                                                                             %
 933 %                                                                             %
 934 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 935 %
 936 %  WriteImage() writes an image or an image sequence to a file or file handle.
 937 %  If writing to a file is on disk, the name is defined by the filename member
 938 %  of the image structure.  WriteImage() returns MagickFalse is there is a
 939 %  memory shortage or if the image cannot be written.  Check the exception
 940 %  member of image to determine the cause for any failure.
 941 %
 942 %  The format of the WriteImage method is:
 943 %
 944 %      MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image,
 945 %        ExceptionInfo *exception)
 946 %
 947 %  A description of each parameter follows:
 948 %
 949 %    o image_info: the image info.
 950 %
 951 %    o image: the image.
 952 %
 953 %    o exception: return any errors or warnings in this structure.
 954 %
 955 */
 956 MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info,
 957   Image *image,ExceptionInfo *exception)
 958 {
 959   char
 960     filename[MaxTextExtent];
 961
 962   const char
 963     *option;
 964
 965   const DelegateInfo
 966     *delegate_info;
 967
 968   const MagickInfo
 969     *magick_info;
 970
 971   ExceptionInfo
 972     *sans_exception;
 973
 974   ImageInfo
 975     *write_info;
 976
 977   MagickBooleanType
 978     status,
 979     temporary;
 980
 981   MagickStatusType
 982     thread_support;
 983
 984   PolicyDomain
 985     domain;
 986
 987   PolicyRights
 988     rights;
 989
 990   /*
 991     Determine image type from filename prefix or suffix (e.g. image.jpg).
 992   */
 993   assert(image_info != (ImageInfo *) NULL);
 994   assert(image_info->signature == MagickSignature);
 995   if (image->debug != MagickFalse)
 996     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 997       image_info->filename);
 998   assert(image != (Image *) NULL);
 999   assert(image->signature == MagickSignature);
1000   assert(exception != (ExceptionInfo *) NULL);
1001   sans_exception=AcquireExceptionInfo();
1002   write_info=CloneImageInfo(image_info);
1003   (void) CopyMagickString(write_info->filename,image->filename,MaxTextExtent);
1004   if (*write_info->magick == '\0')
1005     (void) CopyMagickString(write_info->magick,image->magick,MaxTextExtent);
1006   (void) SetImageInfo(write_info,1,sans_exception);
1007   (void) CopyMagickString(filename,image->filename,MaxTextExtent);
1008   (void) CopyMagickString(image->filename,write_info->filename,MaxTextExtent);
1009   domain=CoderPolicyDomain;
1010   rights=WritePolicyRights;
1011   if (IsRightsAuthorized(domain,rights,write_info->magick) == MagickFalse)
1012     {
1013       sans_exception=DestroyExceptionInfo(sans_exception);
1014       write_info=DestroyImageInfo(write_info);
1015       errno=EPERM;
1016       ThrowBinaryException(PolicyError,"NotAuthorized",filename);
1017     }
1018   /*
1019     Call appropriate image reader based on image type.
1020   */
1021   magick_info=GetMagickInfo(write_info->magick,sans_exception);
1022   sans_exception=DestroyExceptionInfo(sans_exception);
1023   if (magick_info != (const MagickInfo *) NULL)
1024     {
1025       if (GetMagickEndianSupport(magick_info) == MagickFalse)
1026         image->endian=UndefinedEndian;
1027       else
1028         if ((image_info->endian == UndefinedEndian) &&
1029             (GetMagickRawSupport(magick_info) != MagickFalse))
1030           {
1031             size_t
1032               lsb_first;
1033
1034             lsb_first=1;
1035             image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian;
1036          }
1037     }
1038   (void) SyncImageProfiles(image);
1039   option=GetImageOption(image_info,"delegate:bimodal");
1040   if ((IfMagickTrue(IsStringTrue(option))) &&
1041       (write_info->page == (char *) NULL) &&
1042       (GetPreviousImageInList(image) == (Image *) NULL) &&
1043       (GetNextImageInList(image) == (Image *) NULL) &&
1044       (IfMagickFalse(IsTaintImage(image))) )
1045     {
1046       delegate_info=GetDelegateInfo(image->magick,write_info->magick,exception);
1047       if ((delegate_info != (const DelegateInfo *) NULL) &&
1048           (GetDelegateMode(delegate_info) == 0) &&
1049           (IsPathAccessible(image->magick_filename) != MagickFalse))
1050         {
1051           /*
1052             Process image with bi-modal delegate.
1053           */
1054           (void) CopyMagickString(image->filename,image->magick_filename,
1055             MaxTextExtent);
1056           status=InvokeDelegate(write_info,image,image->magick,
1057             write_info->magick,exception);
1058           write_info=DestroyImageInfo(write_info);
1059           (void) CopyMagickString(image->filename,filename,MaxTextExtent);
1060           return(status);
1061         }
1062     }
1063   status=MagickFalse;
1064   temporary=MagickFalse;
1065   if ((magick_info != (const MagickInfo *) NULL) &&
1066       (GetMagickSeekableStream(magick_info) != MagickFalse))
1067     {
1068       char
1069         filename[MaxTextExtent];
1070
1071       (void) CopyMagickString(filename,image->filename,MaxTextExtent);
1072       status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1073       (void) CopyMagickString(image->filename,filename,MaxTextExtent);
1074       if (status != MagickFalse)
1075         {
1076           if (IsBlobSeekable(image) == MagickFalse)
1077             {
1078               /*
1079                 A seekable stream is required by the encoder.
1080               */
1081               write_info->adjoin=MagickTrue;
1082               (void) CopyMagickString(write_info->filename,image->filename,
1083                 MaxTextExtent);
1084               (void) AcquireUniqueFilename(image->filename);
1085               temporary=MagickTrue;
1086             }
1087           (void) CloseBlob(image);
1088         }
1089     }
1090   if ((magick_info != (const MagickInfo *) NULL) &&
1091       (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1092     {
1093       /*
1094         Call appropriate image writer based on image type.
1095       */
1096       thread_support=GetMagickThreadSupport(magick_info);
1097       if ((thread_support & EncoderThreadSupport) == 0)
1098         LockSemaphoreInfo(magick_info->semaphore);
1099       status=GetImageEncoder(magick_info)(write_info,image,exception);
1100       if ((thread_support & EncoderThreadSupport) == 0)
1101         UnlockSemaphoreInfo(magick_info->semaphore);
1102     }
1103   else
1104     {
1105       delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,exception);
1106       if (delegate_info != (DelegateInfo *) NULL)
1107         {
1108           /*
1109             Process the image with delegate.
1110           */
1111           *write_info->filename='\0';
1112           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1113             LockSemaphoreInfo(delegate_info->semaphore);
1114           status=InvokeDelegate(write_info,image,(char *) NULL,
1115             write_info->magick,exception);
1116           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1117             UnlockSemaphoreInfo(delegate_info->semaphore);
1118           (void) CopyMagickString(image->filename,filename,MaxTextExtent);
1119         }
1120       else
1121         {
1122           sans_exception=AcquireExceptionInfo();
1123           magick_info=GetMagickInfo(write_info->magick,sans_exception);
1124           sans_exception=DestroyExceptionInfo(sans_exception);
1125           if ((write_info->affirm == MagickFalse) &&
1126               (magick_info == (const MagickInfo *) NULL))
1127             {
1128               (void) CopyMagickString(write_info->magick,image->magick,
1129                 MaxTextExtent);
1130               magick_info=GetMagickInfo(write_info->magick,exception);
1131             }
1132           if ((magick_info == (const MagickInfo *) NULL) ||
1133               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1134             {
1135               char
1136                 extension[MaxTextExtent];
1137
1138               GetPathComponent(image->filename,ExtensionPath,extension);
1139               if (*extension != '\0')
1140                 magick_info=GetMagickInfo(extension,exception);
1141               else
1142                 magick_info=GetMagickInfo(image->magick,exception);
1143               (void) CopyMagickString(image->filename,filename,MaxTextExtent);
1144             }
1145           if ((magick_info == (const MagickInfo *) NULL) ||
1146               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1147             {
1148               magick_info=GetMagickInfo(image->magick,exception);
1149               if ((magick_info == (const MagickInfo *) NULL) ||
1150                   (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1151                 (void) ThrowMagickException(exception,GetMagickModule(),
1152                   MissingDelegateError,"NoEncodeDelegateForThisImageFormat",
1153                   "`%s'",write_info->magick);
1154               else
1155                 (void) ThrowMagickException(exception,GetMagickModule(),
1156                   MissingDelegateWarning,"NoEncodeDelegateForThisImageFormat",
1157                   "`%s'",write_info->magick);
1158             }
1159           if ((magick_info != (const MagickInfo *) NULL) &&
1160               (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1161             {
1162               /*
1163                 Call appropriate image writer based on image type.
1164               */
1165               thread_support=GetMagickThreadSupport(magick_info);
1166               if ((thread_support & EncoderThreadSupport) == 0)
1167                 LockSemaphoreInfo(magick_info->semaphore);
1168               status=GetImageEncoder(magick_info)(write_info,image,exception);
1169               if ((thread_support & EncoderThreadSupport) == 0)
1170                 UnlockSemaphoreInfo(magick_info->semaphore);
1171             }
1172         }
1173     }
1174   if (GetBlobError(image) != MagickFalse)
1175     ThrowFileException(exception,FileOpenError,
1176       "AnErrorHasOccurredWritingToFile",image->filename);
1177   if (temporary != MagickFalse)
1178     {
1179       /*
1180         Copy temporary image file to permanent.
1181       */
1182       status=OpenBlob(write_info,image,ReadBinaryBlobMode,exception);
1183       if (status != MagickFalse)
1184         {
1185           (void) RelinquishUniqueFileResource(write_info->filename);
1186           status=ImageToFile(image,write_info->filename,exception);
1187         }
1188       (void) CloseBlob(image);
1189       (void) RelinquishUniqueFileResource(image->filename);
1190       (void) CopyMagickString(image->filename,write_info->filename,
1191         MaxTextExtent);
1192     }
1193   if ((LocaleCompare(write_info->magick,"info") != 0) &&
1194       (write_info->verbose != MagickFalse))
1195     (void) IdentifyImage(image,stdout,MagickFalse,exception);
1196   write_info=DestroyImageInfo(write_info);
1197   return(status);
1198 }
1199 \f
1200 /*
1201 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1202 %                                                                             %
1203 %                                                                             %
1204 %                                                                             %
1205 %   W r i t e I m a g e s                                                     %
1206 %                                                                             %
1207 %                                                                             %
1208 %                                                                             %
1209 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1210 %
1211 %  WriteImages() writes an image sequence into one or more files.  While
1212 %  WriteImage() can write an image sequence, it is limited to writing
1213 %  the sequence into a single file using a format which supports multiple
1214 %  frames.   WriteImages(), however, does not have this limitation, instead it
1215 %  generates multiple output files if necessary (or when requested).  When
1216 %  ImageInfo's adjoin flag is set to MagickFalse, the file name is expected
1217 %  to include a printf-style formatting string for the frame number (e.g.
1218 %  "image%02d.png").
1219 %
1220 %  The format of the WriteImages method is:
1221 %
1222 %      MagickBooleanType WriteImages(const ImageInfo *image_info,Image *images,
1223 %        const char *filename,ExceptionInfo *exception)
1224 %
1225 %  A description of each parameter follows:
1226 %
1227 %    o image_info: the image info.
1228 %
1229 %    o images: the image list.
1230 %
1231 %    o filename: the image filename.
1232 %
1233 %    o exception: return any errors or warnings in this structure.
1234 %
1235 */
1236 MagickExport MagickBooleanType WriteImages(const ImageInfo *image_info,
1237   Image *images,const char *filename,ExceptionInfo *exception)
1238 {
1239 #define WriteImageTag  "Write/Image"
1240
1241   BlobInfo
1242     *blob;
1243
1244   ExceptionInfo
1245     *sans_exception;
1246
1247   ImageInfo
1248     *write_info;
1249
1250   MagickBooleanType
1251     proceed;
1252
1253   MagickOffsetType
1254     i;
1255
1256   MagickProgressMonitor
1257     progress_monitor;
1258
1259   MagickSizeType
1260     number_images;
1261
1262   MagickStatusType
1263     status;
1264
1265   register Image
1266     *p;
1267
1268   assert(image_info != (const ImageInfo *) NULL);
1269   assert(image_info->signature == MagickSignature);
1270   assert(images != (Image *) NULL);
1271   assert(images->signature == MagickSignature);
1272   if (images->debug != MagickFalse)
1273     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
1274   assert(exception != (ExceptionInfo *) NULL);
1275   write_info=CloneImageInfo(image_info);
1276   images=GetFirstImageInList(images);
1277   blob=CloneBlobInfo(images->blob);  /* thread specific I/O handler */
1278   DestroyBlob(images);
1279   images->blob=blob;
1280   if (filename != (const char *) NULL)
1281     for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1282       (void) CopyMagickString(p->filename,filename,MaxTextExtent);
1283   (void) CopyMagickString(write_info->filename,images->filename,MaxTextExtent);
1284   if (*write_info->magick == '\0')
1285     (void) CopyMagickString(write_info->magick,images->magick,MaxTextExtent);
1286   sans_exception=AcquireExceptionInfo();
1287   (void) SetImageInfo(write_info,(unsigned int) GetImageListLength(images),
1288     sans_exception);
1289   sans_exception=DestroyExceptionInfo(sans_exception);
1290   p=images;
1291   for ( ; GetNextImageInList(p) != (Image *) NULL; p=GetNextImageInList(p))
1292     if (p->scene >= GetNextImageInList(p)->scene)
1293       {
1294         register ssize_t
1295           i;
1296
1297         /*
1298           Generate consistent scene numbers.
1299         */
1300         i=(ssize_t) images->scene;
1301         for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1302           p->scene=(size_t) i++;
1303         break;
1304       }
1305   /*
1306     Write images.
1307   */
1308   status=MagickTrue;
1309   progress_monitor=(MagickProgressMonitor) NULL;
1310   i=0;
1311   number_images=GetImageListLength(images);
1312   for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1313   {
1314     if (number_images != 1)
1315       progress_monitor=SetImageProgressMonitor(p,(MagickProgressMonitor) NULL,
1316         p->client_data);
1317     status&=WriteImage(write_info,p,exception);
1318     if (number_images != 1)
1319       (void) SetImageProgressMonitor(p,progress_monitor,p->client_data);
1320     if (write_info->adjoin != MagickFalse)
1321       break;
1322     if (number_images != 1)
1323       {
1324         proceed=SetImageProgress(p,WriteImageTag,i++,number_images);
1325         if (proceed == MagickFalse)
1326           break;
1327       }
1328   }
1329   write_info=DestroyImageInfo(write_info);
1330   return(status != 0 ? MagickTrue : MagickFalse);
1331 }