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 1999-2017 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 == MagickCoreSignature);
 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   magick_unreferenced(image);
 201   magick_unreferenced(pixels);
 202   return(columns);
 203 }
 204
 205 #if defined(__cplusplus) || defined(c_plusplus)
 206 }
 207 #endif
 208
 209 MagickExport Image *PingImage(const ImageInfo *image_info,
 210   ExceptionInfo *exception)
 211 {
 212   Image
 213     *image;
 214
 215   ImageInfo
 216     *ping_info;
 217
 218   assert(image_info != (ImageInfo *) NULL);
 219   assert(image_info->signature == MagickCoreSignature);
 220   if (image_info->debug != MagickFalse)
 221     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 222       image_info->filename);
 223   assert(exception != (ExceptionInfo *) NULL);
 224   ping_info=CloneImageInfo(image_info);
 225   ping_info->ping=MagickTrue;
 226   image=ReadStream(ping_info,&PingStream,exception);
 227   if (image != (Image *) NULL)
 228     {
 229       ResetTimer(&image->timer);
 230       if (ping_info->verbose != MagickFalse)
 231         (void) IdentifyImage(image,stdout,MagickFalse,exception);
 232     }
 233   ping_info=DestroyImageInfo(ping_info);
 234   return(image);
 235 }
 236 \f
 237 /*
 238 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 239 %                                                                             %
 240 %                                                                             %
 241 %                                                                             %
 242 %   P i n g I m a g e s                                                       %
 243 %                                                                             %
 244 %                                                                             %
 245 %                                                                             %
 246 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 247 %
 248 %  PingImages() pings one or more images and returns them as an image list.
 249 %
 250 %  The format of the PingImage method is:
 251 %
 252 %      Image *PingImages(ImageInfo *image_info,const char *filename,
 253 %        ExceptionInfo *exception)
 254 %
 255 %  A description of each parameter follows:
 256 %
 257 %    o image_info: the image info.
 258 %
 259 %    o filename: the image filename.
 260 %
 261 %    o exception: return any errors or warnings in this structure.
 262 %
 263 */
 264 MagickExport Image *PingImages(ImageInfo *image_info,const char *filename,
 265   ExceptionInfo *exception)
 266 {
 267   char
 268     ping_filename[MagickPathExtent];
 269
 270   Image
 271     *image,
 272     *images;
 273
 274   ImageInfo
 275     *read_info;
 276
 277   /*
 278     Ping image list from a file.
 279   */
 280   assert(image_info != (ImageInfo *) NULL);
 281   assert(image_info->signature == MagickCoreSignature);
 282   if (image_info->debug != MagickFalse)
 283     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 284       image_info->filename);
 285   assert(exception != (ExceptionInfo *) NULL);
 286   (void) SetImageOption(image_info,"filename",filename);
 287   (void) CopyMagickString(image_info->filename,filename,MagickPathExtent);
 288   (void) InterpretImageFilename(image_info,(Image *) NULL,image_info->filename,
 289     (int) image_info->scene,ping_filename,exception);
 290   if (LocaleCompare(ping_filename,image_info->filename) != 0)
 291     {
 292       ExceptionInfo
 293         *sans;
 294
 295       ssize_t
 296         extent,
 297         scene;
 298
 299       /*
 300         Images of the form image-%d.png[1-5].
 301       */
 302       read_info=CloneImageInfo(image_info);
 303       sans=AcquireExceptionInfo();
 304       (void) SetImageInfo(read_info,0,sans);
 305       sans=DestroyExceptionInfo(sans);
 306       if (read_info->number_scenes == 0)
 307         {
 308           read_info=DestroyImageInfo(read_info);
 309           return(PingImage(image_info,exception));
 310         }
 311       (void) CopyMagickString(ping_filename,read_info->filename,
 312         MagickPathExtent);
 313       images=NewImageList();
 314       extent=(ssize_t) (read_info->scene+read_info->number_scenes);
 315       for (scene=(ssize_t) read_info->scene; scene < (ssize_t) extent; scene++)
 316       {
 317         (void) InterpretImageFilename(image_info,(Image *) NULL,ping_filename,
 318           (int) scene,read_info->filename,exception);
 319         image=PingImage(read_info,exception);
 320         if (image == (Image *) NULL)
 321           continue;
 322         AppendImageToList(&images,image);
 323       }
 324       read_info=DestroyImageInfo(read_info);
 325       return(images);
 326     }
 327   return(PingImage(image_info,exception));
 328 }
 329 \f
 330 /*
 331 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 332 %                                                                             %
 333 %                                                                             %
 334 %                                                                             %
 335 %   R e a d I m a g e                                                         %
 336 %                                                                             %
 337 %                                                                             %
 338 %                                                                             %
 339 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 340 %
 341 %  ReadImage() reads an image or image sequence from a file or file handle.
 342 %  The method returns a NULL if there is a memory shortage or if the image
 343 %  cannot be read.  On failure, a NULL image is returned and exception
 344 %  describes the reason for the failure.
 345 %
 346 %  The format of the ReadImage method is:
 347 %
 348 %      Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
 349 %
 350 %  A description of each parameter follows:
 351 %
 352 %    o image_info: Read the image defined by the file or filename members of
 353 %      this structure.
 354 %
 355 %    o exception: return any errors or warnings in this structure.
 356 %
 357 */
 358 MagickExport Image *ReadImage(const ImageInfo *image_info,
 359   ExceptionInfo *exception)
 360 {
 361   char
 362     filename[MagickPathExtent],
 363     magick[MagickPathExtent],
 364     magick_filename[MagickPathExtent];
 365
 366   const char
 367     *value;
 368
 369   const DelegateInfo
 370     *delegate_info;
 371
 372   const MagickInfo
 373     *magick_info;
 374
 375   ExceptionInfo
 376     *sans_exception;
 377
 378   GeometryInfo
 379     geometry_info;
 380
 381   Image
 382     *image,
 383     *next;
 384
 385   ImageInfo
 386     *read_info;
 387
 388   MagickStatusType
 389     flags;
 390
 391   PolicyDomain
 392     domain;
 393
 394   PolicyRights
 395     rights;
 396
 397   /*
 398     Determine image type from filename prefix or suffix (e.g. image.jpg).
 399   */
 400   assert(image_info != (ImageInfo *) NULL);
 401   assert(image_info->signature == MagickCoreSignature);
 402   assert(image_info->filename != (char *) NULL);
 403   if (image_info->debug != MagickFalse)
 404     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 405       image_info->filename);
 406   assert(exception != (ExceptionInfo *) NULL);
 407   read_info=CloneImageInfo(image_info);
 408   (void) CopyMagickString(magick_filename,read_info->filename,MagickPathExtent);
 409   (void) SetImageInfo(read_info,0,exception);
 410   (void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
 411   (void) CopyMagickString(magick,read_info->magick,MagickPathExtent);
 412   domain=CoderPolicyDomain;
 413   rights=ReadPolicyRights;
 414   if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse)
 415     {
 416       errno=EPERM;
 417       (void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
 418         "NotAuthorized","`%s'",read_info->filename);
 419       read_info=DestroyImageInfo(read_info);
 420       return((Image *) NULL);
 421     }
 422   /*
 423     Call appropriate image reader based on image type.
 424   */
 425   sans_exception=AcquireExceptionInfo();
 426   magick_info=GetMagickInfo(read_info->magick,sans_exception);
 427   sans_exception=DestroyExceptionInfo(sans_exception);
 428   if (magick_info != (const MagickInfo *) NULL)
 429     {
 430       if (GetMagickEndianSupport(magick_info) == MagickFalse)
 431         read_info->endian=UndefinedEndian;
 432       else
 433         if ((image_info->endian == UndefinedEndian) &&
 434             (GetMagickRawSupport(magick_info) != MagickFalse))
 435           {
 436             unsigned long
 437               lsb_first;
 438
 439             lsb_first=1;
 440             read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
 441               MSBEndian;
 442          }
 443     }
 444   if ((magick_info != (const MagickInfo *) NULL) &&
 445       (GetMagickDecoderSeekableStream(magick_info) != MagickFalse))
 446     {
 447       MagickBooleanType
 448         status;
 449
 450       image=AcquireImage(read_info,exception);
 451       (void) CopyMagickString(image->filename,read_info->filename,
 452         MagickPathExtent);
 453       status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 454       if (status == MagickFalse)
 455         {
 456           read_info=DestroyImageInfo(read_info);
 457           image=DestroyImage(image);
 458           return((Image *) NULL);
 459         }
 460       if (IsBlobSeekable(image) == MagickFalse)
 461         {
 462           /*
 463             Coder requires a seekable stream.
 464           */
 465           *read_info->filename='\0';
 466           status=ImageToFile(image,read_info->filename,exception);
 467           if (status == MagickFalse)
 468             {
 469               (void) CloseBlob(image);
 470               read_info=DestroyImageInfo(read_info);
 471               image=DestroyImage(image);
 472               return((Image *) NULL);
 473             }
 474           read_info->temporary=MagickTrue;
 475         }
 476       (void) CloseBlob(image);
 477       image=DestroyImage(image);
 478     }
 479   image=NewImageList();
 480   if ((magick_info == (const MagickInfo *) NULL) ||
 481       (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
 482     {
 483       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
 484       if (delegate_info == (const DelegateInfo *) NULL)
 485         {
 486           (void) SetImageInfo(read_info,0,exception);
 487           (void) CopyMagickString(read_info->filename,filename,
 488             MagickPathExtent);
 489           magick_info=GetMagickInfo(read_info->magick,exception);
 490         }
 491     }
 492   if ((magick_info != (const MagickInfo *) NULL) &&
 493       (GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
 494     {
 495       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
 496         LockSemaphoreInfo(magick_info->semaphore);
 497       image=GetImageDecoder(magick_info)(read_info,exception);
 498       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
 499         UnlockSemaphoreInfo(magick_info->semaphore);
 500     }
 501   else
 502     {
 503       MagickBooleanType
 504         status;
 505
 506       delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
 507       if (delegate_info == (const DelegateInfo *) NULL)
 508         {
 509           (void) ThrowMagickException(exception,GetMagickModule(),
 510             MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
 511             read_info->magick);
 512           if (read_info->temporary != MagickFalse)
 513             (void) RelinquishUniqueFileResource(read_info->filename);
 514           read_info=DestroyImageInfo(read_info);
 515           return((Image *) NULL);
 516         }
 517       /*
 518         Let our decoding delegate process the image.
 519       */
 520       image=AcquireImage(read_info,exception);
 521       if (image == (Image *) NULL)
 522         {
 523           read_info=DestroyImageInfo(read_info);
 524           return((Image *) NULL);
 525         }
 526       (void) CopyMagickString(image->filename,read_info->filename,
 527         MagickPathExtent);
 528       *read_info->filename='\0';
 529       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
 530         LockSemaphoreInfo(delegate_info->semaphore);
 531       status=InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
 532         exception);
 533       if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
 534         UnlockSemaphoreInfo(delegate_info->semaphore);
 535       image=DestroyImageList(image);
 536       read_info->temporary=MagickTrue;
 537       if (status != MagickFalse)
 538         (void) SetImageInfo(read_info,0,exception);
 539       magick_info=GetMagickInfo(read_info->magick,exception);
 540       if ((magick_info == (const MagickInfo *) NULL) ||
 541           (GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
 542         {
 543           if (IsPathAccessible(read_info->filename) != MagickFalse)
 544             (void) ThrowMagickException(exception,GetMagickModule(),
 545               MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
 546               read_info->magick);
 547           else
 548             ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
 549               read_info->filename);
 550           read_info=DestroyImageInfo(read_info);
 551           return((Image *) NULL);
 552         }
 553       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
 554         LockSemaphoreInfo(magick_info->semaphore);
 555       image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
 556       if (GetMagickDecoderThreadSupport(magick_info) == MagickFalse)
 557         UnlockSemaphoreInfo(magick_info->semaphore);
 558     }
 559   if (read_info->temporary != MagickFalse)
 560     {
 561       (void) RelinquishUniqueFileResource(read_info->filename);
 562       read_info->temporary=MagickFalse;
 563       if (image != (Image *) NULL)
 564         (void) CopyMagickString(image->filename,filename,MagickPathExtent);
 565     }
 566   if (image == (Image *) NULL)
 567     {
 568       read_info=DestroyImageInfo(read_info);
 569       return(image);
 570     }
 571   if (exception->severity >= ErrorException)
 572     (void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
 573       "Coder (%s) generated an image despite an error (%d), "
 574       "notify the developers",image->magick,exception->severity);
 575   if (IsBlobTemporary(image) != MagickFalse)
 576     (void) RelinquishUniqueFileResource(read_info->filename);
 577   if ((GetNextImageInList(image) != (Image *) NULL) &&
 578       (IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
 579     {
 580       Image
 581         *clones;
 582
 583       clones=CloneImages(image,read_info->scenes,exception);
 584       if (clones == (Image *) NULL)
 585         (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
 586           "SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
 587       else
 588         {
 589           image=DestroyImageList(image);
 590           image=GetFirstImageInList(clones);
 591         }
 592     }
 593   for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
 594   {
 595     char
 596       magick_path[MagickPathExtent],
 597       *property,
 598       timestamp[MagickPathExtent];
 599
 600     const char
 601       *option;
 602
 603     const StringInfo
 604       *profile;
 605
 606     next->taint=MagickFalse;
 607     GetPathComponent(magick_filename,MagickPath,magick_path);
 608     if (*magick_path == '\0' && *next->magick == '\0')
 609       (void) CopyMagickString(next->magick,magick,MagickPathExtent);
 610     (void) CopyMagickString(next->magick_filename,magick_filename,
 611       MagickPathExtent);
 612     if (IsBlobTemporary(image) != MagickFalse)
 613       (void) CopyMagickString(next->filename,filename,MagickPathExtent);
 614     if (next->magick_columns == 0)
 615       next->magick_columns=next->columns;
 616     if (next->magick_rows == 0)
 617       next->magick_rows=next->rows;
 618     value=GetImageProperty(next,"tiff:Orientation",exception);
 619     if (value == (char *) NULL)
 620       value=GetImageProperty(next,"exif:Orientation",exception);
 621     if (value != (char *) NULL)
 622       {
 623         next->orientation=(OrientationType) StringToLong(value);
 624         (void) DeleteImageProperty(next,"tiff:Orientation");
 625         (void) DeleteImageProperty(next,"exif:Orientation");
 626       }
 627     value=GetImageProperty(next,"exif:XResolution",exception);
 628     if (value != (char *) NULL)
 629       {
 630         geometry_info.rho=next->resolution.x;
 631         geometry_info.sigma=1.0;
 632         flags=ParseGeometry(value,&geometry_info);
 633         if (geometry_info.sigma != 0)
 634           next->resolution.x=geometry_info.rho/geometry_info.sigma;
 635         if (strchr(value,',') != (char *) NULL)
 636           next->resolution.x=geometry_info.rho+geometry_info.sigma/1000.0;
 637         (void) DeleteImageProperty(next,"exif:XResolution");
 638       }
 639     value=GetImageProperty(next,"exif:YResolution",exception);
 640     if (value != (char *) NULL)
 641       {
 642         geometry_info.rho=next->resolution.y;
 643         geometry_info.sigma=1.0;
 644         flags=ParseGeometry(value,&geometry_info);
 645         if (geometry_info.sigma != 0)
 646           next->resolution.y=geometry_info.rho/geometry_info.sigma;
 647         if (strchr(value,',') != (char *) NULL)
 648           next->resolution.y=geometry_info.rho+geometry_info.sigma/1000.0;
 649         (void) DeleteImageProperty(next,"exif:YResolution");
 650       }
 651     value=GetImageProperty(next,"tiff:ResolutionUnit",exception);
 652     if (value == (char *) NULL)
 653       value=GetImageProperty(next,"exif:ResolutionUnit",exception);
 654     if (value != (char *) NULL)
 655       {
 656         next->units=(ResolutionType) ParseCommandOption(MagickResolutionOptions,
 657           MagickFalse,value);
 658         (void) DeleteImageProperty(next,"exif:ResolutionUnit");
 659         (void) DeleteImageProperty(next,"tiff:ResolutionUnit");
 660       }
 661     if (next->page.width == 0)
 662       next->page.width=next->columns;
 663     if (next->page.height == 0)
 664       next->page.height=next->rows;
 665     option=GetImageOption(read_info,"caption");
 666     if (option != (const char *) NULL)
 667       {
 668         property=InterpretImageProperties(read_info,next,option,exception);
 669         (void) SetImageProperty(next,"caption",property,exception);
 670         property=DestroyString(property);
 671       }
 672     option=GetImageOption(read_info,"comment");
 673     if (option != (const char *) NULL)
 674       {
 675         property=InterpretImageProperties(read_info,next,option,exception);
 676         (void) SetImageProperty(next,"comment",property,exception);
 677         property=DestroyString(property);
 678       }
 679     option=GetImageOption(read_info,"label");
 680     if (option != (const char *) NULL)
 681       {
 682         property=InterpretImageProperties(read_info,next,option,exception);
 683         (void) SetImageProperty(next,"label",property,exception);
 684         property=DestroyString(property);
 685       }
 686     if (LocaleCompare(next->magick,"TEXT") == 0)
 687       (void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
 688     if ((read_info->extract != (char *) NULL) &&
 689         (read_info->stream == (StreamHandler) NULL))
 690       {
 691         RectangleInfo
 692           geometry;
 693
 694         flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
 695         if ((next->columns != geometry.width) ||
 696             (next->rows != geometry.height))
 697           {
 698             if (((flags & XValue) != 0) || ((flags & YValue) != 0))
 699               {
 700                 Image
 701                   *crop_image;
 702
 703                 crop_image=CropImage(next,&geometry,exception);
 704                 if (crop_image != (Image *) NULL)
 705                   ReplaceImageInList(&next,crop_image);
 706               }
 707             else
 708               if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
 709                 {
 710                   Image
 711                     *size_image;
 712
 713                   flags=ParseRegionGeometry(next,read_info->extract,&geometry,
 714                     exception);
 715                   size_image=ResizeImage(next,geometry.width,geometry.height,
 716                     next->filter,exception);
 717                   if (size_image != (Image *) NULL)
 718                     ReplaceImageInList(&next,size_image);
 719                 }
 720           }
 721       }
 722     profile=GetImageProfile(next,"icc");
 723     if (profile == (const StringInfo *) NULL)
 724       profile=GetImageProfile(next,"icm");
 725     profile=GetImageProfile(next,"iptc");
 726     if (profile == (const StringInfo *) NULL)
 727       profile=GetImageProfile(next,"8bim");
 728     (void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MagickPathExtent,
 729       timestamp);
 730     (void) SetImageProperty(next,"date:modify",timestamp,exception);
 731     (void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MagickPathExtent,
 732       timestamp);
 733     (void) SetImageProperty(next,"date:create",timestamp,exception);
 734     option=GetImageOption(image_info,"delay");
 735     if (option != (const char *) NULL)
 736       {
 737         flags=ParseGeometry(option,&geometry_info);
 738         if ((flags & GreaterValue) != 0)
 739           {
 740             if (next->delay > (size_t) floor(geometry_info.rho+0.5))
 741               next->delay=(size_t) floor(geometry_info.rho+0.5);
 742           }
 743         else
 744           if ((flags & LessValue) != 0)
 745             {
 746               if (next->delay < (size_t) floor(geometry_info.rho+0.5))
 747                 next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
 748             }
 749           else
 750             next->delay=(size_t) floor(geometry_info.rho+0.5);
 751         if ((flags & SigmaValue) != 0)
 752           next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
 753       }
 754     option=GetImageOption(image_info,"dispose");
 755     if (option != (const char *) NULL)
 756       next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
 757         MagickFalse,option);
 758     if (read_info->verbose != MagickFalse)
 759       (void) IdentifyImage(next,stderr,MagickFalse,exception);
 760     image=next;
 761   }
 762   read_info=DestroyImageInfo(read_info);
 763   return(GetFirstImageInList(image));
 764 }
 765 \f
 766 /*
 767 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 768 %                                                                             %
 769 %                                                                             %
 770 %                                                                             %
 771 %   R e a d I m a g e s                                                       %
 772 %                                                                             %
 773 %                                                                             %
 774 %                                                                             %
 775 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 776 %
 777 %  ReadImages() reads one or more images and returns them as an image list.
 778 %
 779 %  The format of the ReadImage method is:
 780 %
 781 %      Image *ReadImages(ImageInfo *image_info,const char *filename,
 782 %        ExceptionInfo *exception)
 783 %
 784 %  A description of each parameter follows:
 785 %
 786 %    o image_info: the image info.
 787 %
 788 %    o filename: the image filename.
 789 %
 790 %    o exception: return any errors or warnings in this structure.
 791 %
 792 */
 793 MagickExport Image *ReadImages(ImageInfo *image_info,const char *filename,
 794   ExceptionInfo *exception)
 795 {
 796   char
 797     read_filename[MagickPathExtent];
 798
 799   Image
 800     *image,
 801     *images;
 802
 803   ImageInfo
 804     *read_info;
 805
 806   /*
 807     Read image list from a file.
 808   */
 809   assert(image_info != (ImageInfo *) NULL);
 810   assert(image_info->signature == MagickCoreSignature);
 811   if (image_info->debug != MagickFalse)
 812     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 813       image_info->filename);
 814   assert(exception != (ExceptionInfo *) NULL);
 815   read_info=CloneImageInfo(image_info);
 816   *read_info->magick='\0';
 817   (void) SetImageOption(read_info,"filename",filename);
 818   (void) CopyMagickString(read_info->filename,filename,MagickPathExtent);
 819   (void) InterpretImageFilename(read_info,(Image *) NULL,filename,
 820     (int) read_info->scene,read_filename,exception);
 821   if (LocaleCompare(read_filename,read_info->filename) != 0)
 822     {
 823       ExceptionInfo
 824         *sans;
 825
 826       ssize_t
 827         extent,
 828         scene;
 829
 830       /*
 831         Images of the form image-%d.png[1-5].
 832       */
 833       sans=AcquireExceptionInfo();
 834       (void) SetImageInfo(read_info,0,sans);
 835       sans=DestroyExceptionInfo(sans);
 836       if (read_info->number_scenes != 0)
 837         {
 838           (void) CopyMagickString(read_filename,read_info->filename,
 839             MagickPathExtent);
 840           images=NewImageList();
 841           extent=(ssize_t) (read_info->scene+read_info->number_scenes);
 842           scene=(ssize_t) read_info->scene;
 843           for ( ; scene < (ssize_t) extent; scene++)
 844           {
 845             (void) InterpretImageFilename(image_info,(Image *) NULL,
 846               read_filename,(int) scene,read_info->filename,exception);
 847             image=ReadImage(read_info,exception);
 848             if (image == (Image *) NULL)
 849               continue;
 850             AppendImageToList(&images,image);
 851           }
 852           read_info=DestroyImageInfo(read_info);
 853           return(images);
 854         }
 855     }
 856   (void) CopyMagickString(read_info->filename,filename,MagickPathExtent);
 857   image=ReadImage(read_info,exception);
 858   read_info=DestroyImageInfo(read_info);
 859   return(image);
 860 }
 861 \f
 862 /*
 863 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 864 %                                                                             %
 865 %                                                                             %
 866 %                                                                             %
 867 +   R e a d I n l i n e I m a g e                                             %
 868 %                                                                             %
 869 %                                                                             %
 870 %                                                                             %
 871 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 872 %
 873 %  ReadInlineImage() reads a Base64-encoded inline image or image sequence.
 874 %  The method returns a NULL if there is a memory shortage or if the image
 875 %  cannot be read.  On failure, a NULL image is returned and exception
 876 %  describes the reason for the failure.
 877 %
 878 %  The format of the ReadInlineImage method is:
 879 %
 880 %      Image *ReadInlineImage(const ImageInfo *image_info,const char *content,
 881 %        ExceptionInfo *exception)
 882 %
 883 %  A description of each parameter follows:
 884 %
 885 %    o image_info: the image info.
 886 %
 887 %    o content: the image encoded in Base64.
 888 %
 889 %    o exception: return any errors or warnings in this structure.
 890 %
 891 */
 892 MagickExport Image *ReadInlineImage(const ImageInfo *image_info,
 893   const char *content,ExceptionInfo *exception)
 894 {
 895   Image
 896     *image;
 897
 898   ImageInfo
 899     *read_info;
 900
 901   unsigned char
 902     *blob;
 903
 904   size_t
 905     length;
 906
 907   register const char
 908     *p;
 909
 910   /*
 911     Skip over header (e.g. data:image/gif;base64,).
 912   */
 913   image=NewImageList();
 914   for (p=content; (*p != ',') && (*p != '\0'); p++) ;
 915   if (*p == '\0')
 916     ThrowReaderException(CorruptImageError,"CorruptImage");
 917   p++;
 918   length=0;
 919   blob=Base64Decode(p,&length);
 920   if (length == 0)
 921     ThrowReaderException(CorruptImageError,"CorruptImage");
 922   read_info=CloneImageInfo(image_info);
 923   (void) SetImageInfoProgressMonitor(read_info,(MagickProgressMonitor) NULL,
 924     (void *) NULL);
 925   *read_info->filename='\0';
 926   *read_info->magick='\0';
 927   image=BlobToImage(read_info,blob,length,exception);
 928   blob=(unsigned char *) RelinquishMagickMemory(blob);
 929   read_info=DestroyImageInfo(read_info);
 930   return(image);
 931 }
 932 \f
 933 /*
 934 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 935 %                                                                             %
 936 %                                                                             %
 937 %                                                                             %
 938 %   W r i t e I m a g e                                                       %
 939 %                                                                             %
 940 %                                                                             %
 941 %                                                                             %
 942 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 943 %
 944 %  WriteImage() writes an image or an image sequence to a file or file handle.
 945 %  If writing to a file is on disk, the name is defined by the filename member
 946 %  of the image structure.  WriteImage() returns MagickFalse is there is a
 947 %  memory shortage or if the image cannot be written.  Check the exception
 948 %  member of image to determine the cause for any failure.
 949 %
 950 %  The format of the WriteImage method is:
 951 %
 952 %      MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image,
 953 %        ExceptionInfo *exception)
 954 %
 955 %  A description of each parameter follows:
 956 %
 957 %    o image_info: the image info.
 958 %
 959 %    o image: the image.
 960 %
 961 %    o exception: return any errors or warnings in this structure.
 962 %
 963 */
 964 MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info,
 965   Image *image,ExceptionInfo *exception)
 966 {
 967   char
 968     filename[MagickPathExtent];
 969
 970   const char
 971     *option;
 972
 973   const DelegateInfo
 974     *delegate_info;
 975
 976   const MagickInfo
 977     *magick_info;
 978
 979   ExceptionInfo
 980     *sans_exception;
 981
 982   ImageInfo
 983     *write_info;
 984
 985   MagickBooleanType
 986     status,
 987     temporary;
 988
 989   PolicyDomain
 990     domain;
 991
 992   PolicyRights
 993     rights;
 994
 995   /*
 996     Determine image type from filename prefix or suffix (e.g. image.jpg).
 997   */
 998   assert(image_info != (ImageInfo *) NULL);
 999   assert(image_info->signature == MagickCoreSignature);
1000   if (image->debug != MagickFalse)
1001     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
1002       image_info->filename);
1003   assert(image != (Image *) NULL);
1004   assert(image->signature == MagickCoreSignature);
1005   assert(exception != (ExceptionInfo *) NULL);
1006   sans_exception=AcquireExceptionInfo();
1007   write_info=CloneImageInfo(image_info);
1008   (void) CopyMagickString(write_info->filename,image->filename,
1009     MagickPathExtent);
1010   (void) SetImageInfo(write_info,1,sans_exception);
1011   if (*write_info->magick == '\0')
1012     (void) CopyMagickString(write_info->magick,image->magick,MagickPathExtent);
1013   (void) CopyMagickString(filename,image->filename,MagickPathExtent);
1014   (void) CopyMagickString(image->filename,write_info->filename,
1015     MagickPathExtent);
1016   domain=CoderPolicyDomain;
1017   rights=WritePolicyRights;
1018   if (IsRightsAuthorized(domain,rights,write_info->magick) == MagickFalse)
1019     {
1020       sans_exception=DestroyExceptionInfo(sans_exception);
1021       write_info=DestroyImageInfo(write_info);
1022       errno=EPERM;
1023       ThrowBinaryException(PolicyError,"NotAuthorized",filename);
1024     }
1025   /*
1026     Call appropriate image writer based on image type.
1027   */
1028   magick_info=GetMagickInfo(write_info->magick,sans_exception);
1029   sans_exception=DestroyExceptionInfo(sans_exception);
1030   if (magick_info != (const MagickInfo *) NULL)
1031     {
1032       if (GetMagickEndianSupport(magick_info) == MagickFalse)
1033         image->endian=UndefinedEndian;
1034       else
1035         if ((image_info->endian == UndefinedEndian) &&
1036             (GetMagickRawSupport(magick_info) != MagickFalse))
1037           {
1038             unsigned long
1039               lsb_first;
1040
1041             lsb_first=1;
1042             image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian;
1043          }
1044     }
1045   (void) SyncImageProfiles(image);
1046   DisassociateImageStream(image);
1047   option=GetImageOption(image_info,"delegate:bimodal");
1048   if ((IsStringTrue(option) != MagickFalse) &&
1049       (write_info->page == (char *) NULL) &&
1050       (GetPreviousImageInList(image) == (Image *) NULL) &&
1051       (GetNextImageInList(image) == (Image *) NULL) &&
1052       (IsTaintImage(image) == MagickFalse) )
1053     {
1054       delegate_info=GetDelegateInfo(image->magick,write_info->magick,exception);
1055       if ((delegate_info != (const DelegateInfo *) NULL) &&
1056           (GetDelegateMode(delegate_info) == 0) &&
1057           (IsPathAccessible(image->magick_filename) != MagickFalse))
1058         {
1059           /*
1060             Process image with bi-modal delegate.
1061           */
1062           (void) CopyMagickString(image->filename,image->magick_filename,
1063             MagickPathExtent);
1064           status=InvokeDelegate(write_info,image,image->magick,
1065             write_info->magick,exception);
1066           write_info=DestroyImageInfo(write_info);
1067           (void) CopyMagickString(image->filename,filename,MagickPathExtent);
1068           return(status);
1069         }
1070     }
1071   status=MagickFalse;
1072   temporary=MagickFalse;
1073   if ((magick_info != (const MagickInfo *) NULL) &&
1074       (GetMagickEncoderSeekableStream(magick_info) != MagickFalse))
1075     {
1076       char
1077         image_filename[MagickPathExtent];
1078
1079       (void) CopyMagickString(image_filename,image->filename,MagickPathExtent);
1080       status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1081       (void) CopyMagickString(image->filename, image_filename,MagickPathExtent);
1082       if (status != MagickFalse)
1083         {
1084           if (IsBlobSeekable(image) == MagickFalse)
1085             {
1086               /*
1087                 A seekable stream is required by the encoder.
1088               */
1089               write_info->adjoin=MagickTrue;
1090               (void) CopyMagickString(write_info->filename,image->filename,
1091                 MagickPathExtent);
1092               (void) AcquireUniqueFilename(image->filename);
1093               temporary=MagickTrue;
1094             }
1095           (void) CloseBlob(image);
1096         }
1097     }
1098   if ((magick_info != (const MagickInfo *) NULL) &&
1099       (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1100     {
1101       /*
1102         Call appropriate image writer based on image type.
1103       */
1104       if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1105         LockSemaphoreInfo(magick_info->semaphore);
1106       status=GetImageEncoder(magick_info)(write_info,image,exception);
1107       if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1108         UnlockSemaphoreInfo(magick_info->semaphore);
1109     }
1110   else
1111     {
1112       delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,exception);
1113       if (delegate_info != (DelegateInfo *) NULL)
1114         {
1115           /*
1116             Process the image with delegate.
1117           */
1118           *write_info->filename='\0';
1119           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1120             LockSemaphoreInfo(delegate_info->semaphore);
1121           status=InvokeDelegate(write_info,image,(char *) NULL,
1122             write_info->magick,exception);
1123           if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
1124             UnlockSemaphoreInfo(delegate_info->semaphore);
1125           (void) CopyMagickString(image->filename,filename,MagickPathExtent);
1126         }
1127       else
1128         {
1129           sans_exception=AcquireExceptionInfo();
1130           magick_info=GetMagickInfo(write_info->magick,sans_exception);
1131           sans_exception=DestroyExceptionInfo(sans_exception);
1132           if ((write_info->affirm == MagickFalse) &&
1133               (magick_info == (const MagickInfo *) NULL))
1134             {
1135               (void) CopyMagickString(write_info->magick,image->magick,
1136                 MagickPathExtent);
1137               magick_info=GetMagickInfo(write_info->magick,exception);
1138             }
1139           if ((magick_info == (const MagickInfo *) NULL) ||
1140               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1141             {
1142               char
1143                 extension[MagickPathExtent];
1144
1145               GetPathComponent(image->filename,ExtensionPath,extension);
1146               if (*extension != '\0')
1147                 magick_info=GetMagickInfo(extension,exception);
1148               else
1149                 magick_info=GetMagickInfo(image->magick,exception);
1150               (void) CopyMagickString(image->filename,filename,
1151                 MagickPathExtent);
1152             }
1153           if ((magick_info == (const MagickInfo *) NULL) ||
1154               (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1155             {
1156               magick_info=GetMagickInfo(image->magick,exception);
1157               if ((magick_info == (const MagickInfo *) NULL) ||
1158                   (GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
1159                 (void) ThrowMagickException(exception,GetMagickModule(),
1160                   MissingDelegateError,"NoEncodeDelegateForThisImageFormat",
1161                   "`%s'",write_info->magick);
1162               else
1163                 (void) ThrowMagickException(exception,GetMagickModule(),
1164                   MissingDelegateWarning,"NoEncodeDelegateForThisImageFormat",
1165                   "`%s'",write_info->magick);
1166             }
1167           if ((magick_info != (const MagickInfo *) NULL) &&
1168               (GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
1169             {
1170               /*
1171                 Call appropriate image writer based on image type.
1172               */
1173               if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1174                 LockSemaphoreInfo(magick_info->semaphore);
1175               status=GetImageEncoder(magick_info)(write_info,image,exception);
1176               if (GetMagickEncoderThreadSupport(magick_info) == MagickFalse)
1177                 UnlockSemaphoreInfo(magick_info->semaphore);
1178             }
1179         }
1180     }
1181   if (temporary != MagickFalse)
1182     {
1183       /*
1184         Copy temporary image file to permanent.
1185       */
1186       status=OpenBlob(write_info,image,ReadBinaryBlobMode,exception);
1187       if (status != MagickFalse)
1188         {
1189           (void) RelinquishUniqueFileResource(write_info->filename);
1190           status=ImageToFile(image,write_info->filename,exception);
1191         }
1192       (void) CloseBlob(image);
1193       (void) RelinquishUniqueFileResource(image->filename);
1194       (void) CopyMagickString(image->filename,write_info->filename,
1195         MagickPathExtent);
1196     }
1197   if ((LocaleCompare(write_info->magick,"info") != 0) &&
1198       (write_info->verbose != MagickFalse))
1199     (void) IdentifyImage(image,stdout,MagickFalse,exception);
1200   write_info=DestroyImageInfo(write_info);
1201   return(status);
1202 }
1203 \f
1204 /*
1205 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1206 %                                                                             %
1207 %                                                                             %
1208 %                                                                             %
1209 %   W r i t e I m a g e s                                                     %
1210 %                                                                             %
1211 %                                                                             %
1212 %                                                                             %
1213 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1214 %
1215 %  WriteImages() writes an image sequence into one or more files.  While
1216 %  WriteImage() can write an image sequence, it is limited to writing
1217 %  the sequence into a single file using a format which supports multiple
1218 %  frames.   WriteImages(), however, does not have this limitation, instead it
1219 %  generates multiple output files if necessary (or when requested).  When
1220 %  ImageInfo's adjoin flag is set to MagickFalse, the file name is expected
1221 %  to include a printf-style formatting string for the frame number (e.g.
1222 %  "image%02d.png").
1223 %
1224 %  The format of the WriteImages method is:
1225 %
1226 %      MagickBooleanType WriteImages(const ImageInfo *image_info,Image *images,
1227 %        const char *filename,ExceptionInfo *exception)
1228 %
1229 %  A description of each parameter follows:
1230 %
1231 %    o image_info: the image info.
1232 %
1233 %    o images: the image list.
1234 %
1235 %    o filename: the image filename.
1236 %
1237 %    o exception: return any errors or warnings in this structure.
1238 %
1239 */
1240 MagickExport MagickBooleanType WriteImages(const ImageInfo *image_info,
1241   Image *images,const char *filename,ExceptionInfo *exception)
1242 {
1243 #define WriteImageTag  "Write/Image"
1244
1245   ExceptionInfo
1246     *sans_exception;
1247
1248   ImageInfo
1249     *write_info;
1250
1251   MagickBooleanType
1252     proceed;
1253
1254   MagickOffsetType
1255     progress;
1256
1257   MagickProgressMonitor
1258     progress_monitor;
1259
1260   MagickSizeType
1261     number_images;
1262
1263   MagickStatusType
1264     status;
1265
1266   register Image
1267     *p;
1268
1269   assert(image_info != (const ImageInfo *) NULL);
1270   assert(image_info->signature == MagickCoreSignature);
1271   assert(images != (Image *) NULL);
1272   assert(images->signature == MagickCoreSignature);
1273   if (images->debug != MagickFalse)
1274     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
1275   assert(exception != (ExceptionInfo *) NULL);
1276   write_info=CloneImageInfo(image_info);
1277   *write_info->magick='\0';
1278   images=GetFirstImageInList(images);
1279   if (filename != (const char *) NULL)
1280     for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1281       (void) CopyMagickString(p->filename,filename,MagickPathExtent);
1282   (void) CopyMagickString(write_info->filename,images->filename,
1283     MagickPathExtent);
1284   sans_exception=AcquireExceptionInfo();
1285   (void) SetImageInfo(write_info,(unsigned int) GetImageListLength(images),
1286     sans_exception);
1287   sans_exception=DestroyExceptionInfo(sans_exception);
1288   if (*write_info->magick == '\0')
1289     (void) CopyMagickString(write_info->magick,images->magick,MagickPathExtent);
1290   p=images;
1291   for ( ; GetNextImageInList(p) != (Image *) NULL; p=GetNextImageInList(p))
1292   {
1293     register Image
1294       *next;
1295
1296     next=GetNextImageInList(p);
1297     if (next == (Image *) NULL)
1298       break;
1299     if (p->scene >= next->scene)
1300       {
1301         register ssize_t
1302           i;
1303
1304         /*
1305           Generate consistent scene numbers.
1306         */
1307         i=(ssize_t) images->scene;
1308         for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1309           p->scene=(size_t) i++;
1310         break;
1311       }
1312   }
1313   /*
1314     Write images.
1315   */
1316   status=MagickTrue;
1317   progress_monitor=(MagickProgressMonitor) NULL;
1318   progress=0;
1319   number_images=GetImageListLength(images);
1320   for (p=images; p != (Image *) NULL; p=GetNextImageInList(p))
1321   {
1322     if (number_images != 1)
1323       progress_monitor=SetImageProgressMonitor(p,(MagickProgressMonitor) NULL,
1324         p->client_data);
1325     status&=WriteImage(write_info,p,exception);
1326     if (number_images != 1)
1327       (void) SetImageProgressMonitor(p,progress_monitor,p->client_data);
1328     if (write_info->adjoin != MagickFalse)
1329       break;
1330     if (number_images != 1)
1331       {
1332         proceed=SetImageProgress(p,WriteImageTag,progress++,number_images);
1333         if (proceed == MagickFalse)
1334           break;
1335       }
1336   }
1337   write_info=DestroyImageInfo(write_info);
1338   return(status != 0 ? MagickTrue : MagickFalse);
1339 }