MagickCore  7.0.2
image.c
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1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % IIIII M M AAA GGGG EEEEE %
7 % I MM MM A A G E %
8 % I M M M AAAAA G GG EEE %
9 % I M M A A G G E %
10 % IIIII M M A A GGGG EEEEE %
11 % %
12 % %
13 % MagickCore Image Methods %
14 % %
15 % Software Design %
16 % Cristy %
17 % July 1992 %
18 % %
19 % %
20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
22 % %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
25 % %
26 % http://www.imagemagick.org/script/license.php %
27 % %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
33 % %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 %
38 */
39 
40 /*
41  Include declarations.
42 */
43 #include "MagickCore/studio.h"
44 #include "MagickCore/animate.h"
45 #include "MagickCore/artifact.h"
46 #include "MagickCore/attribute.h"
47 #include "MagickCore/blob.h"
49 #include "MagickCore/cache.h"
51 #include "MagickCore/cache-view.h"
52 #include "MagickCore/client.h"
53 #include "MagickCore/color.h"
55 #include "MagickCore/colormap.h"
56 #include "MagickCore/colorspace.h"
58 #include "MagickCore/composite.h"
60 #include "MagickCore/compress.h"
61 #include "MagickCore/constitute.h"
62 #include "MagickCore/delegate.h"
63 #include "MagickCore/display.h"
64 #include "MagickCore/draw.h"
65 #include "MagickCore/enhance.h"
66 #include "MagickCore/exception.h"
68 #include "MagickCore/gem.h"
69 #include "MagickCore/geometry.h"
70 #include "MagickCore/histogram.h"
72 #include "MagickCore/list.h"
73 #include "MagickCore/magic.h"
74 #include "MagickCore/magick.h"
76 #include "MagickCore/memory_.h"
77 #include "MagickCore/module.h"
78 #include "MagickCore/monitor.h"
80 #include "MagickCore/option.h"
81 #include "MagickCore/paint.h"
83 #include "MagickCore/profile.h"
84 #include "MagickCore/property.h"
85 #include "MagickCore/quantize.h"
86 #include "MagickCore/random_.h"
87 #include "MagickCore/resource_.h"
88 #include "MagickCore/segment.h"
89 #include "MagickCore/semaphore.h"
91 #include "MagickCore/statistic.h"
92 #include "MagickCore/string_.h"
95 #include "MagickCore/threshold.h"
96 #include "MagickCore/timer.h"
97 #include "MagickCore/token.h"
98 #include "MagickCore/utility.h"
100 #include "MagickCore/version.h"
102 
103 /*
104  Constant declaration.
105 */
106 const char
107  AlphaColor[] = "#bdbdbd", /* gray */
108  BackgroundColor[] = "#ffffff", /* white */
109  BorderColor[] = "#dfdfdf", /* gray */
110  DefaultTileFrame[] = "15x15+3+3",
111  DefaultTileGeometry[] = "120x120+4+3>",
112  DefaultTileLabel[] = "%f\n%G\n%b",
113  ForegroundColor[] = "#000", /* black */
114  LoadImageTag[] = "Load/Image",
115  LoadImagesTag[] = "Load/Images",
116  PSDensityGeometry[] = "72.0x72.0",
117  PSPageGeometry[] = "612x792",
118  SaveImageTag[] = "Save/Image",
119  SaveImagesTag[] = "Save/Images",
120  TransparentColor[] = "#00000000"; /* transparent black */
121 
122 const double
124 
125 /*
126 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
127 % %
128 % %
129 % %
130 % A c q u i r e I m a g e %
131 % %
132 % %
133 % %
134 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
135 %
136 % AcquireImage() returns a pointer to an image structure initialized to
137 % default values.
138 %
139 % The format of the AcquireImage method is:
140 %
141 % Image *AcquireImage(const ImageInfo *image_info,ExceptionInfo *exception)
142 %
143 % A description of each parameter follows:
144 %
145 % o image_info: Many of the image default values are set from this
146 % structure. For example, filename, compression, depth, background color,
147 % and others.
148 %
149 % o exception: return any errors or warnings in this structure.
150 %
151 */
154 {
155  const char
156  *option;
157 
158  Image
159  *image;
160 
162  flags;
163 
164  /*
165  Allocate image structure.
166  */
167  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
168  image=(Image *) AcquireMagickMemory(sizeof(*image));
169  if (image == (Image *) NULL)
170  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
171  (void) ResetMagickMemory(image,0,sizeof(*image));
172  /*
173  Initialize Image structure.
174  */
175  (void) CopyMagickString(image->magick,"MIFF",MagickPathExtent);
176  image->storage_class=DirectClass;
178  image->colorspace=sRGBColorspace;
180  image->gamma=1.000f/2.200f;
181  image->chromaticity.red_primary.x=0.6400f;
182  image->chromaticity.red_primary.y=0.3300f;
183  image->chromaticity.red_primary.z=0.0300f;
184  image->chromaticity.green_primary.x=0.3000f;
185  image->chromaticity.green_primary.y=0.6000f;
186  image->chromaticity.green_primary.z=0.1000f;
187  image->chromaticity.blue_primary.x=0.1500f;
188  image->chromaticity.blue_primary.y=0.0600f;
189  image->chromaticity.blue_primary.z=0.7900f;
190  image->chromaticity.white_point.x=0.3127f;
191  image->chromaticity.white_point.y=0.3290f;
192  image->chromaticity.white_point.z=0.3583f;
193  image->interlace=NoInterlace;
195  image->compose=OverCompositeOp;
197  exception);
199  &image->background_color,exception);
201  exception);
203  &image->transparent_color,exception);
204  GetTimerInfo(&image->timer);
205  image->cache=AcquirePixelCache(0);
208  image->blob=CloneBlobInfo((BlobInfo *) NULL);
209  image->timestamp=time((time_t *) NULL);
210  image->debug=IsEventLogging();
211  image->reference_count=1;
214  if (image_info == (ImageInfo *) NULL)
215  return(image);
216  /*
217  Transfer image info.
218  */
219  SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue :
220  MagickFalse);
221  (void) CopyMagickString(image->filename,image_info->filename,
223  (void) CopyMagickString(image->magick_filename,image_info->filename,
225  (void) CopyMagickString(image->magick,image_info->magick,MagickPathExtent);
226  if (image_info->size != (char *) NULL)
227  {
228  (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info);
229  image->columns=image->extract_info.width;
230  image->rows=image->extract_info.height;
231  image->offset=image->extract_info.x;
232  image->extract_info.x=0;
233  image->extract_info.y=0;
234  }
235  if (image_info->extract != (char *) NULL)
236  {
238  geometry;
239 
240  flags=ParseAbsoluteGeometry(image_info->extract,&geometry);
241  if (((flags & XValue) != 0) || ((flags & YValue) != 0))
242  {
243  image->extract_info=geometry;
244  Swap(image->columns,image->extract_info.width);
245  Swap(image->rows,image->extract_info.height);
246  }
247  }
248  image->compression=image_info->compression;
249  image->quality=image_info->quality;
250  image->endian=image_info->endian;
251  image->interlace=image_info->interlace;
252  image->units=image_info->units;
253  if (image_info->density != (char *) NULL)
254  {
256  geometry_info;
257 
258  flags=ParseGeometry(image_info->density,&geometry_info);
259  image->resolution.x=geometry_info.rho;
260  image->resolution.y=geometry_info.sigma;
261  if ((flags & SigmaValue) == 0)
262  image->resolution.y=image->resolution.x;
263  }
264  if (image_info->page != (char *) NULL)
265  {
266  char
267  *geometry;
268 
269  image->page=image->extract_info;
270  geometry=GetPageGeometry(image_info->page);
271  (void) ParseAbsoluteGeometry(geometry,&image->page);
272  geometry=DestroyString(geometry);
273  }
274  if (image_info->depth != 0)
275  image->depth=image_info->depth;
276  image->dither=image_info->dither;
277  image->alpha_color=image_info->alpha_color;
278  image->background_color=image_info->background_color;
279  image->border_color=image_info->border_color;
280  image->transparent_color=image_info->transparent_color;
281  image->ping=image_info->ping;
282  image->progress_monitor=image_info->progress_monitor;
283  image->client_data=image_info->client_data;
284  if (image_info->cache != (void *) NULL)
285  ClonePixelCacheMethods(image->cache,image_info->cache);
286  /*
287  Set all global options that map to per-image settings.
288  */
289  (void) SyncImageSettings(image_info,image,exception);
290  /*
291  Global options that are only set for new images.
292  */
293  option=GetImageOption(image_info,"delay");
294  if (option != (const char *) NULL)
295  {
297  geometry_info;
298 
299  flags=ParseGeometry(option,&geometry_info);
300  if ((flags & GreaterValue) != 0)
301  {
302  if (image->delay > (size_t) floor(geometry_info.rho+0.5))
303  image->delay=(size_t) floor(geometry_info.rho+0.5);
304  }
305  else
306  if ((flags & LessValue) != 0)
307  {
308  if (image->delay < (size_t) floor(geometry_info.rho+0.5))
309  image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
310  }
311  else
312  image->delay=(size_t) floor(geometry_info.rho+0.5);
313  if ((flags & SigmaValue) != 0)
314  image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
315  }
316  option=GetImageOption(image_info,"dispose");
317  if (option != (const char *) NULL)
319  MagickFalse,option);
320  return(image);
321 }
322 
323 /*
324 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
325 % %
326 % %
327 % %
328 % A c q u i r e I m a g e I n f o %
329 % %
330 % %
331 % %
332 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
333 %
334 % AcquireImageInfo() allocates the ImageInfo structure.
335 %
336 % The format of the AcquireImageInfo method is:
337 %
338 % ImageInfo *AcquireImageInfo(void)
339 %
340 */
342 {
343  ImageInfo
344  *image_info;
345 
346  image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info));
347  if (image_info == (ImageInfo *) NULL)
348  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
349  GetImageInfo(image_info);
350  return(image_info);
351 }
352 
353 /*
354 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
355 % %
356 % %
357 % %
358 % A c q u i r e N e x t I m a g e %
359 % %
360 % %
361 % %
362 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
363 %
364 % AcquireNextImage() initializes the next image in a sequence to
365 % default values. The next member of image points to the newly allocated
366 % image. If there is a memory shortage, next is assigned NULL.
367 %
368 % The format of the AcquireNextImage method is:
369 %
370 % void AcquireNextImage(const ImageInfo *image_info,Image *image,
371 % ExceptionInfo *exception)
372 %
373 % A description of each parameter follows:
374 %
375 % o image_info: Many of the image default values are set from this
376 % structure. For example, filename, compression, depth, background color,
377 % and others.
378 %
379 % o image: the image.
380 %
381 % o exception: return any errors or warnings in this structure.
382 %
383 */
386 {
387  /*
388  Allocate image structure.
389  */
390  assert(image != (Image *) NULL);
391  assert(image->signature == MagickCoreSignature);
392  if (image->debug != MagickFalse)
393  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
394  image->next=AcquireImage(image_info,exception);
395  if (GetNextImageInList(image) == (Image *) NULL)
396  return;
399  if (image_info != (ImageInfo *) NULL)
400  (void) CopyMagickString(GetNextImageInList(image)->filename,
401  image_info->filename,MagickPathExtent);
403  image->next->blob=ReferenceBlob(image->blob);
404  image->next->endian=image->endian;
405  image->next->scene=image->scene+1;
406  image->next->previous=image;
407 }
408 
409 /*
410 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
411 % %
412 % %
413 % %
414 % A p p e n d I m a g e s %
415 % %
416 % %
417 % %
418 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
419 %
420 % AppendImages() takes all images from the current image pointer to the end
421 % of the image list and appends them to each other top-to-bottom if the
422 % stack parameter is true, otherwise left-to-right.
423 %
424 % The current gravity setting effects how the image is justified in the
425 % final image.
426 %
427 % The format of the AppendImages method is:
428 %
429 % Image *AppendImages(const Image *images,const MagickBooleanType stack,
430 % ExceptionInfo *exception)
431 %
432 % A description of each parameter follows:
433 %
434 % o images: the image sequence.
435 %
436 % o stack: A value other than 0 stacks the images top-to-bottom.
437 %
438 % o exception: return any errors or warnings in this structure.
439 %
440 */
443 {
444 #define AppendImageTag "Append/Image"
445 
446  CacheView
447  *append_view;
448 
449  Image
450  *append_image;
451 
453  status;
454 
456  n;
457 
458  PixelTrait
459  alpha_trait;
460 
462  geometry;
463 
464  register const Image
465  *next;
466 
467  size_t
468  depth,
469  height,
470  number_images,
471  width;
472 
473  ssize_t
474  x_offset,
475  y,
476  y_offset;
477 
478  /*
479  Compute maximum area of appended area.
480  */
481  assert(images != (Image *) NULL);
482  assert(images->signature == MagickCoreSignature);
483  if (images->debug != MagickFalse)
484  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
485  assert(exception != (ExceptionInfo *) NULL);
486  assert(exception->signature == MagickCoreSignature);
487  alpha_trait=images->alpha_trait;
488  number_images=1;
489  width=images->columns;
490  height=images->rows;
491  depth=images->depth;
492  next=GetNextImageInList(images);
493  for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
494  {
495  if (next->depth > depth)
496  depth=next->depth;
497  if (next->alpha_trait != UndefinedPixelTrait)
498  alpha_trait=BlendPixelTrait;
499  number_images++;
500  if (stack != MagickFalse)
501  {
502  if (next->columns > width)
503  width=next->columns;
504  height+=next->rows;
505  continue;
506  }
507  width+=next->columns;
508  if (next->rows > height)
509  height=next->rows;
510  }
511  /*
512  Append images.
513  */
514  append_image=CloneImage(images,width,height,MagickTrue,exception);
515  if (append_image == (Image *) NULL)
516  return((Image *) NULL);
517  if (SetImageStorageClass(append_image,DirectClass,exception) == MagickFalse)
518  {
519  append_image=DestroyImage(append_image);
520  return((Image *) NULL);
521  }
522  append_image->depth=depth;
523  append_image->alpha_trait=alpha_trait;
524  (void) SetImageBackgroundColor(append_image,exception);
525  status=MagickTrue;
526  x_offset=0;
527  y_offset=0;
528  next=images;
529  append_view=AcquireAuthenticCacheView(append_image,exception);
530  for (n=0; n < (MagickOffsetType) number_images; n++)
531  {
532  CacheView
533  *image_view;
534 
536  proceed;
537 
538  SetGeometry(append_image,&geometry);
539  GravityAdjustGeometry(next->columns,next->rows,next->gravity,&geometry);
540  if (stack != MagickFalse)
541  x_offset-=geometry.x;
542  else
543  y_offset-=geometry.y;
544  image_view=AcquireVirtualCacheView(next,exception);
545 #if defined(MAGICKCORE_OPENMP_SUPPORT)
546  #pragma omp parallel for schedule(static,4) shared(status) \
547  magick_threads(next,next,next->rows,1)
548 #endif
549  for (y=0; y < (ssize_t) next->rows; y++)
550  {
552  sync;
553 
554  PixelInfo
555  pixel;
556 
557  register const Quantum
558  *magick_restrict p;
559 
560  register Quantum
561  *magick_restrict q;
562 
563  register ssize_t
564  x;
565 
566  if (status == MagickFalse)
567  continue;
568  p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception);
569  q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset,
570  next->columns,1,exception);
571  if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
572  {
573  status=MagickFalse;
574  continue;
575  }
576  GetPixelInfo(next,&pixel);
577  for (x=0; x < (ssize_t) next->columns; x++)
578  {
579  if (GetPixelReadMask(next,p) == 0)
580  {
581  SetPixelBackgoundColor(append_image,q);
582  p+=GetPixelChannels(next);
583  q+=GetPixelChannels(append_image);
584  continue;
585  }
586  GetPixelInfoPixel(next,p,&pixel);
587  SetPixelViaPixelInfo(append_image,&pixel,q);
588  p+=GetPixelChannels(next);
589  q+=GetPixelChannels(append_image);
590  }
591  sync=SyncCacheViewAuthenticPixels(append_view,exception);
592  if (sync == MagickFalse)
593  status=MagickFalse;
594  }
595  image_view=DestroyCacheView(image_view);
596  if (stack == MagickFalse)
597  {
598  x_offset+=(ssize_t) next->columns;
599  y_offset=0;
600  }
601  else
602  {
603  x_offset=0;
604  y_offset+=(ssize_t) next->rows;
605  }
606  proceed=SetImageProgress(append_image,AppendImageTag,n,number_images);
607  if (proceed == MagickFalse)
608  break;
609  next=GetNextImageInList(next);
610  }
611  append_view=DestroyCacheView(append_view);
612  if (status == MagickFalse)
613  append_image=DestroyImage(append_image);
614  return(append_image);
615 }
616 
617 /*
618 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
619 % %
620 % %
621 % %
622 % C a t c h I m a g e E x c e p t i o n %
623 % %
624 % %
625 % %
626 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
627 %
628 % CatchImageException() returns if no exceptions are found in the image
629 % sequence, otherwise it determines the most severe exception and reports
630 % it as a warning or error depending on the severity.
631 %
632 % The format of the CatchImageException method is:
633 %
634 % ExceptionType CatchImageException(Image *image)
635 %
636 % A description of each parameter follows:
637 %
638 % o image: An image sequence.
639 %
640 */
642 {
644  *exception;
645 
647  severity;
648 
649  assert(image != (const Image *) NULL);
650  assert(image->signature == MagickCoreSignature);
651  if (image->debug != MagickFalse)
652  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
653  exception=AcquireExceptionInfo();
654  CatchException(exception);
655  severity=exception->severity;
656  exception=DestroyExceptionInfo(exception);
657  return(severity);
658 }
659 
660 /*
661 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
662 % %
663 % %
664 % %
665 % C l i p I m a g e P a t h %
666 % %
667 % %
668 % %
669 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
670 %
671 % ClipImagePath() sets the image clip mask based any clipping path information
672 % if it exists.
673 %
674 % The format of the ClipImagePath method is:
675 %
676 % MagickBooleanType ClipImagePath(Image *image,const char *pathname,
677 % const MagickBooleanType inside,ExceptionInfo *exception)
678 %
679 % A description of each parameter follows:
680 %
681 % o image: the image.
682 %
683 % o pathname: name of clipping path resource. If name is preceded by #, use
684 % clipping path numbered by name.
685 %
686 % o inside: if non-zero, later operations take effect inside clipping path.
687 % Otherwise later operations take effect outside clipping path.
688 %
689 % o exception: return any errors or warnings in this structure.
690 %
691 */
692 
694 {
695  return(ClipImagePath(image,"#1",MagickTrue,exception));
696 }
697 
700 {
701 #define ClipImagePathTag "ClipPath/Image"
702 
703  char
704  *property;
705 
706  const char
707  *value;
708 
709  Image
710  *clip_mask;
711 
712  ImageInfo
713  *image_info;
714 
715  assert(image != (const Image *) NULL);
716  assert(image->signature == MagickCoreSignature);
717  if (image->debug != MagickFalse)
718  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
719  assert(pathname != NULL);
720  property=AcquireString(pathname);
721  (void) FormatLocaleString(property,MagickPathExtent,"8BIM:1999,2998:%s",
722  pathname);
723  value=GetImageProperty(image,property,exception);
724  property=DestroyString(property);
725  if (value == (const char *) NULL)
726  {
727  ThrowFileException(exception,OptionError,"NoClipPathDefined",
728  image->filename);
729  return(MagickFalse);
730  }
731  image_info=AcquireImageInfo();
732  (void) CopyMagickString(image_info->filename,image->filename,
734  (void) ConcatenateMagickString(image_info->filename,pathname,
736  clip_mask=BlobToImage(image_info,value,strlen(value),exception);
737  image_info=DestroyImageInfo(image_info);
738  if (clip_mask == (Image *) NULL)
739  return(MagickFalse);
740  if (clip_mask->storage_class == PseudoClass)
741  {
742  (void) SyncImage(clip_mask,exception);
743  if (SetImageStorageClass(clip_mask,DirectClass,exception) == MagickFalse)
744  return(MagickFalse);
745  }
746  if (inside == MagickFalse)
747  (void) NegateImage(clip_mask,MagickFalse,exception);
749  "8BIM:1999,2998:%s\nPS",pathname);
750  (void) SetImageMask(image,ReadPixelMask,clip_mask,exception);
751  clip_mask=DestroyImage(clip_mask);
752  return(MagickTrue);
753 }
754 
755 /*
756 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
757 % %
758 % %
759 % %
760 % C l o n e I m a g e %
761 % %
762 % %
763 % %
764 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
765 %
766 % CloneImage() copies an image and returns the copy as a new image object.
767 %
768 % If the specified columns and rows is 0, an exact copy of the image is
769 % returned, otherwise the pixel data is undefined and must be initialized
770 % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On
771 % failure, a NULL image is returned and exception describes the reason for the
772 % failure.
773 %
774 % The format of the CloneImage method is:
775 %
776 % Image *CloneImage(const Image *image,const size_t columns,
777 % const size_t rows,const MagickBooleanType orphan,
778 % ExceptionInfo *exception)
779 %
780 % A description of each parameter follows:
781 %
782 % o image: the image.
783 %
784 % o columns: the number of columns in the cloned image.
785 %
786 % o rows: the number of rows in the cloned image.
787 %
788 % o detach: With a value other than 0, the cloned image is detached from
789 % its parent I/O stream.
790 %
791 % o exception: return any errors or warnings in this structure.
792 %
793 */
794 MagickExport Image *CloneImage(const Image *image,const size_t columns,
795  const size_t rows,const MagickBooleanType detach,ExceptionInfo *exception)
796 {
797  Image
798  *clone_image;
799 
800  double
801  scale;
802 
803  size_t
804  length;
805 
806  /*
807  Clone the image.
808  */
809  assert(image != (const Image *) NULL);
810  assert(image->signature == MagickCoreSignature);
811  if (image->debug != MagickFalse)
812  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
813  assert(exception != (ExceptionInfo *) NULL);
814  assert(exception->signature == MagickCoreSignature);
815  if ((image->columns == 0) || (image->rows == 0))
816  {
818  "NegativeOrZeroImageSize","`%s'",image->filename);
819  return((Image *) NULL);
820  }
821  clone_image=(Image *) AcquireMagickMemory(sizeof(*clone_image));
822  if (clone_image == (Image *) NULL)
823  ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
824  (void) ResetMagickMemory(clone_image,0,sizeof(*clone_image));
825  clone_image->signature=MagickCoreSignature;
826  clone_image->storage_class=image->storage_class;
827  clone_image->number_channels=image->number_channels;
828  clone_image->number_meta_channels=image->number_meta_channels;
829  clone_image->metacontent_extent=image->metacontent_extent;
830  clone_image->colorspace=image->colorspace;
831  clone_image->read_mask=image->read_mask;
832  clone_image->write_mask=image->write_mask;
833  clone_image->alpha_trait=image->alpha_trait;
834  clone_image->columns=image->columns;
835  clone_image->rows=image->rows;
836  clone_image->dither=image->dither;
837  if (image->colormap != (PixelInfo *) NULL)
838  {
839  /*
840  Allocate and copy the image colormap.
841  */
842  clone_image->colors=image->colors;
843  length=(size_t) image->colors;
844  clone_image->colormap=(PixelInfo *) AcquireQuantumMemory(length,
845  sizeof(*clone_image->colormap));
846  if (clone_image->colormap == (PixelInfo *) NULL)
847  {
848  clone_image=DestroyImage(clone_image);
849  ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
850  }
851  (void) CopyMagickMemory(clone_image->colormap,image->colormap,length*
852  sizeof(*clone_image->colormap));
853  }
854  clone_image->image_info=CloneImageInfo(image->image_info);
855  (void) CloneImageProfiles(clone_image,image);
856  (void) CloneImageProperties(clone_image,image);
857  (void) CloneImageArtifacts(clone_image,image);
858  GetTimerInfo(&clone_image->timer);
859  if (image->ascii85 != (void *) NULL)
860  Ascii85Initialize(clone_image);
861  clone_image->magick_columns=image->magick_columns;
862  clone_image->magick_rows=image->magick_rows;
863  clone_image->type=image->type;
864  clone_image->channel_mask=image->channel_mask;
865  clone_image->channel_map=ClonePixelChannelMap(image->channel_map);
866  (void) CopyMagickString(clone_image->magick_filename,image->magick_filename,
868  (void) CopyMagickString(clone_image->magick,image->magick,MagickPathExtent);
869  (void) CopyMagickString(clone_image->filename,image->filename,
871  clone_image->progress_monitor=image->progress_monitor;
872  clone_image->client_data=image->client_data;
873  clone_image->reference_count=1;
874  clone_image->next=image->next;
875  clone_image->previous=image->previous;
876  clone_image->list=NewImageList();
877  if (detach == MagickFalse)
878  clone_image->blob=ReferenceBlob(image->blob);
879  else
880  {
881  clone_image->next=NewImageList();
882  clone_image->previous=NewImageList();
883  clone_image->blob=CloneBlobInfo((BlobInfo *) NULL);
884  }
885  clone_image->ping=image->ping;
886  clone_image->debug=IsEventLogging();
887  clone_image->semaphore=AcquireSemaphoreInfo();
888  if ((columns == 0) || (rows == 0))
889  {
890  if (image->montage != (char *) NULL)
891  (void) CloneString(&clone_image->montage,image->montage);
892  if (image->directory != (char *) NULL)
893  (void) CloneString(&clone_image->directory,image->directory);
894  clone_image->cache=ReferencePixelCache(image->cache);
895  return(clone_image);
896  }
897  scale=1.0;
898  if (image->columns != 0)
899  scale=(double) columns/(double) image->columns;
900  clone_image->page.width=(size_t) floor(scale*image->page.width+0.5);
901  clone_image->page.x=(ssize_t) ceil(scale*image->page.x-0.5);
902  clone_image->tile_offset.x=(ssize_t) ceil(scale*image->tile_offset.x-0.5);
903  scale=1.0;
904  if (image->rows != 0)
905  scale=(double) rows/(double) image->rows;
906  clone_image->page.height=(size_t) floor(scale*image->page.height+0.5);
907  clone_image->page.y=(ssize_t) ceil(scale*image->page.y-0.5);
908  clone_image->tile_offset.y=(ssize_t) ceil(scale*image->tile_offset.y-0.5);
909  clone_image->cache=ClonePixelCache(image->cache);
910  if (SetImageExtent(clone_image,columns,rows,exception) == MagickFalse)
911  clone_image=DestroyImage(clone_image);
912  return(clone_image);
913 }
914 
915 /*
916 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
917 % %
918 % %
919 % %
920 % C l o n e I m a g e I n f o %
921 % %
922 % %
923 % %
924 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
925 %
926 % CloneImageInfo() makes a copy of the given image info structure. If
927 % NULL is specified, a new image info structure is created initialized to
928 % default values.
929 %
930 % The format of the CloneImageInfo method is:
931 %
932 % ImageInfo *CloneImageInfo(const ImageInfo *image_info)
933 %
934 % A description of each parameter follows:
935 %
936 % o image_info: the image info.
937 %
938 */
940 {
941  ImageInfo
942  *clone_info;
943 
944  clone_info=AcquireImageInfo();
945  if (image_info == (ImageInfo *) NULL)
946  return(clone_info);
947  clone_info->compression=image_info->compression;
948  clone_info->temporary=image_info->temporary;
949  clone_info->adjoin=image_info->adjoin;
950  clone_info->antialias=image_info->antialias;
951  clone_info->scene=image_info->scene;
952  clone_info->number_scenes=image_info->number_scenes;
953  clone_info->depth=image_info->depth;
954  (void) CloneString(&clone_info->size,image_info->size);
955  (void) CloneString(&clone_info->extract,image_info->extract);
956  (void) CloneString(&clone_info->scenes,image_info->scenes);
957  (void) CloneString(&clone_info->page,image_info->page);
958  clone_info->interlace=image_info->interlace;
959  clone_info->endian=image_info->endian;
960  clone_info->units=image_info->units;
961  clone_info->quality=image_info->quality;
962  (void) CloneString(&clone_info->sampling_factor,image_info->sampling_factor);
963  (void) CloneString(&clone_info->server_name,image_info->server_name);
964  (void) CloneString(&clone_info->font,image_info->font);
965  (void) CloneString(&clone_info->texture,image_info->texture);
966  (void) CloneString(&clone_info->density,image_info->density);
967  clone_info->pointsize=image_info->pointsize;
968  clone_info->fuzz=image_info->fuzz;
969  clone_info->alpha_color=image_info->alpha_color;
970  clone_info->background_color=image_info->background_color;
971  clone_info->border_color=image_info->border_color;
972  clone_info->transparent_color=image_info->transparent_color;
973  clone_info->dither=image_info->dither;
974  clone_info->monochrome=image_info->monochrome;
975  clone_info->colorspace=image_info->colorspace;
976  clone_info->type=image_info->type;
977  clone_info->orientation=image_info->orientation;
978  clone_info->ping=image_info->ping;
979  clone_info->verbose=image_info->verbose;
980  clone_info->progress_monitor=image_info->progress_monitor;
981  clone_info->client_data=image_info->client_data;
982  clone_info->cache=image_info->cache;
983  if (image_info->cache != (void *) NULL)
984  clone_info->cache=ReferencePixelCache(image_info->cache);
985  if (image_info->profile != (void *) NULL)
986  clone_info->profile=(void *) CloneStringInfo((StringInfo *)
987  image_info->profile);
988  SetImageInfoFile(clone_info,image_info->file);
989  SetImageInfoBlob(clone_info,image_info->blob,image_info->length);
990  clone_info->stream=image_info->stream;
991  (void) CopyMagickString(clone_info->magick,image_info->magick,
993  (void) CopyMagickString(clone_info->unique,image_info->unique,
995  (void) CopyMagickString(clone_info->filename,image_info->filename,
997  clone_info->channel=image_info->channel;
998  (void) CloneImageOptions(clone_info,image_info);
999  clone_info->debug=IsEventLogging();
1000  clone_info->signature=image_info->signature;
1001  return(clone_info);
1002 }
1003 
1004 /*
1005 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1006 % %
1007 % %
1008 % %
1009 % C o p y I m a g e P i x e l s %
1010 % %
1011 % %
1012 % %
1013 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1014 %
1015 % CopyImagePixels() copies pixels from the source image as defined by the
1016 % geometry the destination image at the specified offset.
1017 %
1018 % The format of the CopyImagePixels method is:
1019 %
1020 % MagickBooleanType CopyImagePixels(Image *image,const Image *source_image,
1021 % const RectangleInfo *geometry,const OffsetInfo *offset,
1022 % ExceptionInfo *exception);
1023 %
1024 % A description of each parameter follows:
1025 %
1026 % o image: the destination image.
1027 %
1028 % o source_image: the source image.
1029 %
1030 % o geometry: define the dimensions of the source pixel rectangle.
1031 %
1032 % o offset: define the offset in the destination image.
1033 %
1034 % o exception: return any errors or warnings in this structure.
1035 %
1036 */
1038  const Image *source_image,const RectangleInfo *geometry,
1039  const OffsetInfo *offset,ExceptionInfo *exception)
1040 {
1041 #define CopyImageTag "Copy/Image"
1042 
1043  CacheView
1044  *image_view,
1045  *source_view;
1046 
1048  status;
1049 
1051  progress;
1052 
1053  ssize_t
1054  y;
1055 
1056  assert(image != (Image *) NULL);
1057  if (image->debug != MagickFalse)
1058  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1059  assert(source_image != (Image *) NULL);
1060  assert(geometry != (RectangleInfo *) NULL);
1061  assert(offset != (OffsetInfo *) NULL);
1062  if ((offset->x < 0) || (offset->y < 0) ||
1063  ((ssize_t) (offset->x+geometry->width) > (ssize_t) image->columns) ||
1064  ((ssize_t) (offset->y+geometry->height) > (ssize_t) image->rows))
1065  ThrowBinaryException(OptionError,"GeometryDoesNotContainImage",
1066  image->filename);
1067  if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
1068  return(MagickFalse);
1069  /*
1070  Copy image pixels.
1071  */
1072  status=MagickTrue;
1073  progress=0;
1074  source_view=AcquireVirtualCacheView(source_image,exception);
1075  image_view=AcquireAuthenticCacheView(image,exception);
1076 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1077  #pragma omp parallel for schedule(static,4) shared(progress,status) \
1078  magick_threads(image,source_image,geometry->height,1)
1079 #endif
1080  for (y=0; y < (ssize_t) geometry->height; y++)
1081  {
1083  sync;
1084 
1085  register const Quantum
1086  *magick_restrict p;
1087 
1088  register ssize_t
1089  x;
1090 
1091  register Quantum
1092  *magick_restrict q;
1093 
1094  if (status == MagickFalse)
1095  continue;
1096  p=GetCacheViewVirtualPixels(source_view,geometry->x,y+geometry->y,
1097  geometry->width,1,exception);
1098  q=QueueCacheViewAuthenticPixels(image_view,offset->x,y+offset->y,
1099  geometry->width,1,exception);
1100  if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
1101  {
1102  status=MagickFalse;
1103  continue;
1104  }
1105  for (x=0; x < (ssize_t) geometry->width; x++)
1106  {
1107  register ssize_t
1108  i;
1109 
1110  for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1111  {
1112  PixelChannel channel=GetPixelChannelChannel(image,i);
1113  PixelTrait traits=GetPixelChannelTraits(image,channel);
1114  PixelTrait source_traits=GetPixelChannelTraits(source_image,channel);
1115  if ((traits == UndefinedPixelTrait) ||
1116  (source_traits == UndefinedPixelTrait))
1117  continue;
1118  SetPixelChannel(image,channel,p[i],q);
1119  }
1120  p+=GetPixelChannels(source_image);
1121  q+=GetPixelChannels(image);
1122  }
1123  sync=SyncCacheViewAuthenticPixels(image_view,exception);
1124  if (sync == MagickFalse)
1125  status=MagickFalse;
1126  if (image->progress_monitor != (MagickProgressMonitor) NULL)
1127  {
1129  proceed;
1130 
1131 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1132  #pragma omp critical (MagickCore_CopyImage)
1133 #endif
1134  proceed=SetImageProgress(image,CopyImageTag,progress++,image->rows);
1135  if (proceed == MagickFalse)
1136  status=MagickFalse;
1137  }
1138  }
1139  source_view=DestroyCacheView(source_view);
1140  image_view=DestroyCacheView(image_view);
1141  return(status);
1142 }
1143 
1144 /*
1145 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1146 % %
1147 % %
1148 % %
1149 % D e s t r o y I m a g e %
1150 % %
1151 % %
1152 % %
1153 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1154 %
1155 % DestroyImage() dereferences an image, deallocating memory associated with
1156 % the image if the reference count becomes zero.
1157 %
1158 % The format of the DestroyImage method is:
1159 %
1160 % Image *DestroyImage(Image *image)
1161 %
1162 % A description of each parameter follows:
1163 %
1164 % o image: the image.
1165 %
1166 */
1168 {
1170  destroy;
1171 
1172  /*
1173  Dereference image.
1174  */
1175  assert(image != (Image *) NULL);
1176  assert(image->signature == MagickCoreSignature);
1177  if (image->debug != MagickFalse)
1178  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1179  destroy=MagickFalse;
1180  LockSemaphoreInfo(image->semaphore);
1181  image->reference_count--;
1182  if (image->reference_count == 0)
1183  destroy=MagickTrue;
1185  if (destroy == MagickFalse)
1186  return((Image *) NULL);
1187  /*
1188  Destroy image.
1189  */
1190  DestroyImagePixels(image);
1192  if (image->montage != (char *) NULL)
1193  image->montage=DestroyString(image->montage);
1194  if (image->directory != (char *) NULL)
1195  image->directory=DestroyString(image->directory);
1196  if (image->colormap != (PixelInfo *) NULL)
1198  if (image->geometry != (char *) NULL)
1199  image->geometry=DestroyString(image->geometry);
1200  DestroyImageProfiles(image);
1201  DestroyImageProperties(image);
1202  DestroyImageArtifacts(image);
1203  if (image->ascii85 != (Ascii85Info *) NULL)
1205  if (image->image_info != (ImageInfo *) NULL)
1206  image->image_info=DestroyImageInfo(image->image_info);
1207  DestroyBlob(image);
1208  if (image->semaphore != (SemaphoreInfo *) NULL)
1210  image->signature=(~MagickCoreSignature);
1211  image=(Image *) RelinquishMagickMemory(image);
1212  return(image);
1213 }
1214 
1215 /*
1216 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1217 % %
1218 % %
1219 % %
1220 % D e s t r o y I m a g e I n f o %
1221 % %
1222 % %
1223 % %
1224 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1225 %
1226 % DestroyImageInfo() deallocates memory associated with an ImageInfo
1227 % structure.
1228 %
1229 % The format of the DestroyImageInfo method is:
1230 %
1231 % ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1232 %
1233 % A description of each parameter follows:
1234 %
1235 % o image_info: the image info.
1236 %
1237 */
1239 {
1240  assert(image_info != (ImageInfo *) NULL);
1241  assert(image_info->signature == MagickCoreSignature);
1242  if (image_info->debug != MagickFalse)
1244  image_info->filename);
1245  if (image_info->size != (char *) NULL)
1246  image_info->size=DestroyString(image_info->size);
1247  if (image_info->extract != (char *) NULL)
1248  image_info->extract=DestroyString(image_info->extract);
1249  if (image_info->scenes != (char *) NULL)
1250  image_info->scenes=DestroyString(image_info->scenes);
1251  if (image_info->page != (char *) NULL)
1252  image_info->page=DestroyString(image_info->page);
1253  if (image_info->sampling_factor != (char *) NULL)
1254  image_info->sampling_factor=DestroyString(
1255  image_info->sampling_factor);
1256  if (image_info->server_name != (char *) NULL)
1257  image_info->server_name=DestroyString(
1258  image_info->server_name);
1259  if (image_info->font != (char *) NULL)
1260  image_info->font=DestroyString(image_info->font);
1261  if (image_info->texture != (char *) NULL)
1262  image_info->texture=DestroyString(image_info->texture);
1263  if (image_info->density != (char *) NULL)
1264  image_info->density=DestroyString(image_info->density);
1265  if (image_info->cache != (void *) NULL)
1266  image_info->cache=DestroyPixelCache(image_info->cache);
1267  if (image_info->profile != (StringInfo *) NULL)
1268  image_info->profile=(void *) DestroyStringInfo((StringInfo *)
1269  image_info->profile);
1270  DestroyImageOptions(image_info);
1271  image_info->signature=(~MagickCoreSignature);
1272  image_info=(ImageInfo *) RelinquishMagickMemory(image_info);
1273  return(image_info);
1274 }
1275 
1276 /*
1277 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1278 % %
1279 % %
1280 % %
1281 + D i s a s s o c i a t e I m a g e S t r e a m %
1282 % %
1283 % %
1284 % %
1285 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1286 %
1287 % DisassociateImageStream() disassociates the image stream. It checks if the
1288 % blob of the specified image is referenced by other images. If the reference
1289 % count is higher then 1 a new blob is assigned to the specified image.
1290 %
1291 % The format of the DisassociateImageStream method is:
1292 %
1293 % void DisassociateImageStream(const Image *image)
1294 %
1295 % A description of each parameter follows:
1296 %
1297 % o image: the image.
1298 %
1299 */
1301 {
1302  assert(image != (Image *) NULL);
1303  assert(image->signature == MagickCoreSignature);
1304  if (image->debug != MagickFalse)
1305  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1306  DisassociateBlob(image);
1307 }
1308 
1309 /*
1310 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1311 % %
1312 % %
1313 % %
1314 % G e t I m a g e I n f o %
1315 % %
1316 % %
1317 % %
1318 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1319 %
1320 % GetImageInfo() initializes image_info to default values.
1321 %
1322 % The format of the GetImageInfo method is:
1323 %
1324 % void GetImageInfo(ImageInfo *image_info)
1325 %
1326 % A description of each parameter follows:
1327 %
1328 % o image_info: the image info.
1329 %
1330 */
1332 {
1333  char
1334  *synchronize;
1335 
1337  *exception;
1338 
1339  /*
1340  File and image dimension members.
1341  */
1342  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1343  assert(image_info != (ImageInfo *) NULL);
1344  (void) ResetMagickMemory(image_info,0,sizeof(*image_info));
1345  image_info->adjoin=MagickTrue;
1346  image_info->interlace=NoInterlace;
1347  image_info->channel=DefaultChannels;
1349  image_info->antialias=MagickTrue;
1350  image_info->dither=MagickTrue;
1351  synchronize=GetEnvironmentValue("MAGICK_SYNCHRONIZE");
1352  if (synchronize != (const char *) NULL)
1353  {
1354  image_info->synchronize=IsStringTrue(synchronize);
1355  synchronize=DestroyString(synchronize);
1356  }
1357  exception=AcquireExceptionInfo();
1359  exception);
1361  &image_info->background_color,exception);
1363  &image_info->border_color,exception);
1365  &image_info->transparent_color,exception);
1366  exception=DestroyExceptionInfo(exception);
1367  image_info->debug=IsEventLogging();
1368  image_info->signature=MagickCoreSignature;
1369 }
1370 
1371 /*
1372 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1373 % %
1374 % %
1375 % %
1376 % G e t I m a g e I n f o F i l e %
1377 % %
1378 % %
1379 % %
1380 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1381 %
1382 % GetImageInfoFile() returns the image info file member.
1383 %
1384 % The format of the GetImageInfoFile method is:
1385 %
1386 % FILE *GetImageInfoFile(const ImageInfo *image_info)
1387 %
1388 % A description of each parameter follows:
1389 %
1390 % o image_info: the image info.
1391 %
1392 */
1393 MagickExport FILE *GetImageInfoFile(const ImageInfo *image_info)
1394 {
1395  return(image_info->file);
1396 }
1397 
1398 /*
1399 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1400 % %
1401 % %
1402 % %
1403 % G e t I m a g e M a s k %
1404 % %
1405 % %
1406 % %
1407 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1408 %
1409 % GetImageMask() returns the mask associated with the image.
1410 %
1411 % The format of the GetImageMask method is:
1412 %
1413 % Image *GetImageMask(const Image *image,const PixelMask type,
1414 % ExceptionInfo *exception)
1415 %
1416 % A description of each parameter follows:
1417 %
1418 % o image: the image.
1419 %
1420 % o type: the mask type, ReadPixelMask or WritePixelMask.
1421 %
1422 */
1425 {
1426  CacheView
1427  *mask_view,
1428  *image_view;
1429 
1430  Image
1431  *mask_image;
1432 
1434  status;
1435 
1436  ssize_t
1437  y;
1438 
1439  /*
1440  Get image mask.
1441  */
1442  assert(image != (Image *) NULL);
1443  if (image->debug != MagickFalse)
1444  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1445  assert(image->signature == MagickCoreSignature);
1446  mask_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
1447  if (mask_image == (Image *) NULL)
1448  return((Image *) NULL);
1449  status=MagickTrue;
1450  mask_image->alpha_trait=UndefinedPixelTrait;
1451  (void) SetImageColorspace(mask_image,GRAYColorspace,exception);
1452  mask_image->read_mask=MagickFalse;
1453  image_view=AcquireVirtualCacheView(image,exception);
1454  mask_view=AcquireAuthenticCacheView(mask_image,exception);
1455  for (y=0; y < (ssize_t) image->rows; y++)
1456  {
1457  register const Quantum
1458  *magick_restrict p;
1459 
1460  register Quantum
1461  *magick_restrict q;
1462 
1463  register ssize_t
1464  x;
1465 
1466  if (status == MagickFalse)
1467  continue;
1468  p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1469  q=GetCacheViewAuthenticPixels(mask_view,0,y,mask_image->columns,1,
1470  exception);
1471  if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
1472  {
1473  status=MagickFalse;
1474  continue;
1475  }
1476  for (x=0; x < (ssize_t) image->columns; x++)
1477  {
1478  switch (type)
1479  {
1480  case WritePixelMask:
1481  {
1482  SetPixelGray(mask_image,GetPixelWriteMask(image,p),q);
1483  break;
1484  }
1485  default:
1486  {
1487  SetPixelGray(mask_image,GetPixelReadMask(image,p),q);
1488  break;
1489  }
1490  }
1491  p+=GetPixelChannels(image);
1492  q+=GetPixelChannels(mask_image);
1493  }
1494  if (SyncCacheViewAuthenticPixels(mask_view,exception) == MagickFalse)
1495  status=MagickFalse;
1496  }
1497  mask_view=DestroyCacheView(mask_view);
1498  image_view=DestroyCacheView(image_view);
1499  if (status == MagickFalse)
1500  mask_image=DestroyImage(mask_image);
1501  return(mask_image);
1502 }
1503 
1504 /*
1505 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1506 % %
1507 % %
1508 % %
1509 + G e t I m a g e R e f e r e n c e C o u n t %
1510 % %
1511 % %
1512 % %
1513 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1514 %
1515 % GetImageReferenceCount() returns the image reference count.
1516 %
1517 % The format of the GetReferenceCount method is:
1518 %
1519 % ssize_t GetImageReferenceCount(Image *image)
1520 %
1521 % A description of each parameter follows:
1522 %
1523 % o image: the image.
1524 %
1525 */
1527 {
1528  ssize_t
1529  reference_count;
1530 
1531  assert(image != (Image *) NULL);
1532  assert(image->signature == MagickCoreSignature);
1533  if (image->debug != MagickFalse)
1534  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1535  LockSemaphoreInfo(image->semaphore);
1536  reference_count=image->reference_count;
1538  return(reference_count);
1539 }
1540 
1541 /*
1542 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1543 % %
1544 % %
1545 % %
1546 % G e t I m a g e V i r t u a l P i x e l M e t h o d %
1547 % %
1548 % %
1549 % %
1550 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1551 %
1552 % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the
1553 % image. A virtual pixel is any pixel access that is outside the boundaries
1554 % of the image cache.
1555 %
1556 % The format of the GetImageVirtualPixelMethod() method is:
1557 %
1558 % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1559 %
1560 % A description of each parameter follows:
1561 %
1562 % o image: the image.
1563 %
1564 */
1566 {
1567  assert(image != (Image *) NULL);
1568  assert(image->signature == MagickCoreSignature);
1569  if (image->debug != MagickFalse)
1570  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1571  return(GetPixelCacheVirtualMethod(image));
1572 }
1573 
1574 /*
1575 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1576 % %
1577 % %
1578 % %
1579 % I n t e r p r e t I m a g e F i l e n a m e %
1580 % %
1581 % %
1582 % %
1583 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1584 %
1585 % InterpretImageFilename() interprets embedded characters in an image filename.
1586 % The filename length is returned.
1587 %
1588 % The format of the InterpretImageFilename method is:
1589 %
1590 % size_t InterpretImageFilename(const ImageInfo *image_info,Image *image,
1591 % const char *format,int value,char *filename,ExceptionInfo *exception)
1592 %
1593 % A description of each parameter follows.
1594 %
1595 % o image_info: the image info..
1596 %
1597 % o image: the image.
1598 %
1599 % o format: A filename describing the format to use to write the numeric
1600 % argument. Only the first numeric format identifier is replaced.
1601 %
1602 % o value: Numeric value to substitute into format filename.
1603 %
1604 % o filename: return the formatted filename in this character buffer.
1605 %
1606 % o exception: return any errors or warnings in this structure.
1607 %
1608 */
1610  Image *image,const char *format,int value,char *filename,
1612 {
1613  char
1614  *q;
1615 
1616  int
1617  c;
1618 
1620  canonical;
1621 
1622  register const char
1623  *p;
1624 
1625  size_t
1626  length;
1627 
1628  canonical=MagickFalse;
1629  length=0;
1630  (void) CopyMagickString(filename,format,MagickPathExtent);
1631  for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
1632  {
1633  q=(char *) p+1;
1634  if (*q == '%')
1635  {
1636  p=q+1;
1637  continue;
1638  }
1639  if (*q == '0')
1640  {
1641  ssize_t
1642  foo;
1643 
1644  foo=(ssize_t) strtol(q,&q,10);
1645  (void) foo;
1646  }
1647  switch (*q)
1648  {
1649  case 'd':
1650  case 'o':
1651  case 'x':
1652  {
1653  q++;
1654  c=(*q);
1655  *q='\0';
1656  (void) FormatLocaleString(filename+(p-format),(size_t)
1657  (MagickPathExtent-(p-format)),p,value);
1658  *q=c;
1659  (void) ConcatenateMagickString(filename,q,MagickPathExtent);
1660  canonical=MagickTrue;
1661  if (*(q-1) != '%')
1662  break;
1663  p++;
1664  break;
1665  }
1666  case '[':
1667  {
1668  char
1669  pattern[MagickPathExtent];
1670 
1671  const char
1672  *option;
1673 
1674  register char
1675  *r;
1676 
1677  register ssize_t
1678  i;
1679 
1680  ssize_t
1681  depth;
1682 
1683  /*
1684  Image option.
1685  */
1686  /* FUTURE: Compare update with code from InterpretImageProperties()
1687  Note that a 'filename:' property should not need depth recursion.
1688  */
1689  if (strchr(p,']') == (char *) NULL)
1690  break;
1691  depth=1;
1692  r=q+1;
1693  for (i=0; (i < (MagickPathExtent-1L)) && (*r != '\0'); i++)
1694  {
1695  if (*r == '[')
1696  depth++;
1697  if (*r == ']')
1698  depth--;
1699  if (depth <= 0)
1700  break;
1701  pattern[i]=(*r++);
1702  }
1703  pattern[i]='\0';
1704  if (LocaleNCompare(pattern,"filename:",9) != 0)
1705  break;
1706  option=(const char *) NULL;
1707  if (image != (Image *) NULL)
1708  option=GetImageProperty(image,pattern,exception);
1709  if ((option == (const char *) NULL) && (image != (Image *) NULL))
1710  option=GetImageArtifact(image,pattern);
1711  if ((option == (const char *) NULL) &&
1712  (image_info != (ImageInfo *) NULL))
1713  option=GetImageOption(image_info,pattern);
1714  if (option == (const char *) NULL)
1715  break;
1716  q--;
1717  c=(*q);
1718  *q='\0';
1719  (void) CopyMagickString(filename+(p-format-length),option,(size_t)
1720  (MagickPathExtent-(p-format-length)));
1721  length+=strlen(pattern)-1;
1722  *q=c;
1723  (void) ConcatenateMagickString(filename,r+1,MagickPathExtent);
1724  canonical=MagickTrue;
1725  if (*(q-1) != '%')
1726  break;
1727  p++;
1728  break;
1729  }
1730  default:
1731  break;
1732  }
1733  }
1734  for (q=filename; *q != '\0'; q++)
1735  if ((*q == '%') && (*(q+1) == '%'))
1736  {
1737  (void) CopyMagickString(q,q+1,(size_t) (MagickPathExtent-(q-filename)));
1738  canonical=MagickTrue;
1739  }
1740  if (canonical == MagickFalse)
1741  (void) CopyMagickString(filename,format,MagickPathExtent);
1742  return(strlen(filename));
1743 }
1744 
1745 /*
1746 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1747 % %
1748 % %
1749 % %
1750 % I s H i g h D y n a m i c R a n g e I m a g e %
1751 % %
1752 % %
1753 % %
1754 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1755 %
1756 % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is
1757 % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16
1758 % 0..65535.
1759 %
1760 % The format of the IsHighDynamicRangeImage method is:
1761 %
1762 % MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1763 % ExceptionInfo *exception)
1764 %
1765 % A description of each parameter follows:
1766 %
1767 % o image: the image.
1768 %
1769 % o exception: return any errors or warnings in this structure.
1770 %
1771 */
1774 {
1775 #if !defined(MAGICKCORE_HDRI_SUPPORT)
1776  (void) image;
1777  (void) exception;
1778  return(MagickFalse);
1779 #else
1780  CacheView
1781  *image_view;
1782 
1784  status;
1785 
1786  ssize_t
1787  y;
1788 
1789  assert(image != (Image *) NULL);
1790  assert(image->signature == MagickCoreSignature);
1791  if (image->debug != MagickFalse)
1792  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1793  status=MagickTrue;
1794  image_view=AcquireVirtualCacheView(image,exception);
1795 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1796  #pragma omp parallel for schedule(static,4) shared(status) \
1797  magick_threads(image,image,image->rows,1)
1798 #endif
1799  for (y=0; y < (ssize_t) image->rows; y++)
1800  {
1801  register const Quantum
1802  *p;
1803 
1804  register ssize_t
1805  x;
1806 
1807  if (status == MagickFalse)
1808  continue;
1809  p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1810  if (p == (const Quantum *) NULL)
1811  {
1812  status=MagickFalse;
1813  continue;
1814  }
1815  for (x=0; x < (ssize_t) image->columns; x++)
1816  {
1817  register ssize_t
1818  i;
1819 
1820  if (GetPixelReadMask(image,p) == 0)
1821  {
1822  p+=GetPixelChannels(image);
1823  continue;
1824  }
1825  for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1826  {
1827  double
1828  pixel;
1829 
1830  PixelTrait
1831  traits;
1832 
1833  traits=GetPixelChannelTraits(image,(PixelChannel) i);
1834  if (traits == UndefinedPixelTrait)
1835  continue;
1836  pixel=(double) p[i];
1837  if ((pixel < 0.0) || (pixel > QuantumRange) ||
1838  (pixel != (double) ((QuantumAny) pixel)))
1839  break;
1840  }
1841  p+=GetPixelChannels(image);
1842  if (i < (ssize_t) GetPixelChannels(image))
1843  status=MagickFalse;
1844  }
1845  if (x < (ssize_t) image->columns)
1846  status=MagickFalse;
1847  }
1848  image_view=DestroyCacheView(image_view);
1849  return(status != MagickFalse ? MagickFalse : MagickTrue);
1850 #endif
1851 }
1852 
1853 /*
1854 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1855 % %
1856 % %
1857 % %
1858 % I s I m a g e O b j e c t %
1859 % %
1860 % %
1861 % %
1862 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1863 %
1864 % IsImageObject() returns MagickTrue if the image sequence contains a valid
1865 % set of image objects.
1866 %
1867 % The format of the IsImageObject method is:
1868 %
1869 % MagickBooleanType IsImageObject(const Image *image)
1870 %
1871 % A description of each parameter follows:
1872 %
1873 % o image: the image.
1874 %
1875 */
1877 {
1878  register const Image
1879  *p;
1880 
1881  assert(image != (Image *) NULL);
1882  if (image->debug != MagickFalse)
1883  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1884  for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1885  if (p->signature != MagickCoreSignature)
1886  return(MagickFalse);
1887  return(MagickTrue);
1888 }
1889 
1890 /*
1891 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1892 % %
1893 % %
1894 % %
1895 % I s T a i n t I m a g e %
1896 % %
1897 % %
1898 % %
1899 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1900 %
1901 % IsTaintImage() returns MagickTrue any pixel in the image has been altered
1902 % since it was first constituted.
1903 %
1904 % The format of the IsTaintImage method is:
1905 %
1906 % MagickBooleanType IsTaintImage(const Image *image)
1907 %
1908 % A description of each parameter follows:
1909 %
1910 % o image: the image.
1911 %
1912 */
1914 {
1915  char
1916  magick[MagickPathExtent],
1917  filename[MagickPathExtent];
1918 
1919  register const Image
1920  *p;
1921 
1922  assert(image != (Image *) NULL);
1923  if (image->debug != MagickFalse)
1924  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1925  assert(image->signature == MagickCoreSignature);
1926  (void) CopyMagickString(magick,image->magick,MagickPathExtent);
1927  (void) CopyMagickString(filename,image->filename,MagickPathExtent);
1928  for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1929  {
1930  if (p->taint != MagickFalse)
1931  return(MagickTrue);
1932  if (LocaleCompare(p->magick,magick) != 0)
1933  return(MagickTrue);
1934  if (LocaleCompare(p->filename,filename) != 0)
1935  return(MagickTrue);
1936  }
1937  return(MagickFalse);
1938 }
1939 
1940 /*
1941 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1942 % %
1943 % %
1944 % %
1945 % M o d i f y I m a g e %
1946 % %
1947 % %
1948 % %
1949 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1950 %
1951 % ModifyImage() ensures that there is only a single reference to the image
1952 % to be modified, updating the provided image pointer to point to a clone of
1953 % the original image if necessary.
1954 %
1955 % The format of the ModifyImage method is:
1956 %
1957 % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception)
1958 %
1959 % A description of each parameter follows:
1960 %
1961 % o image: the image.
1962 %
1963 % o exception: return any errors or warnings in this structure.
1964 %
1965 */
1968 {
1969  Image
1970  *clone_image;
1971 
1972  assert(image != (Image **) NULL);
1973  assert(*image != (Image *) NULL);
1974  assert((*image)->signature == MagickCoreSignature);
1975  if ((*image)->debug != MagickFalse)
1976  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename);
1977  if (GetImageReferenceCount(*image) <= 1)
1978  return(MagickTrue);
1979  clone_image=CloneImage(*image,0,0,MagickTrue,exception);
1980  LockSemaphoreInfo((*image)->semaphore);
1981  (*image)->reference_count--;
1982  UnlockSemaphoreInfo((*image)->semaphore);
1983  *image=clone_image;
1984  return(MagickTrue);
1985 }
1986 
1987 /*
1988 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1989 % %
1990 % %
1991 % %
1992 % N e w M a g i c k I m a g e %
1993 % %
1994 % %
1995 % %
1996 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1997 %
1998 % NewMagickImage() creates a blank image canvas of the specified size and
1999 % background color.
2000 %
2001 % The format of the NewMagickImage method is:
2002 %
2003 % Image *NewMagickImage(const ImageInfo *image_info,const size_t width,
2004 % const size_t height,const PixelInfo *background,
2005 % ExceptionInfo *exception)
2006 %
2007 % A description of each parameter follows:
2008 %
2009 % o image: the image.
2010 %
2011 % o width: the image width.
2012 %
2013 % o height: the image height.
2014 %
2015 % o background: the image color.
2016 %
2017 % o exception: return any errors or warnings in this structure.
2018 %
2019 */
2021  const size_t width,const size_t height,const PixelInfo *background,
2023 {
2024  CacheView
2025  *image_view;
2026 
2027  Image
2028  *image;
2029 
2031  status;
2032 
2033  ssize_t
2034  y;
2035 
2036  assert(image_info != (const ImageInfo *) NULL);
2037  if (image_info->debug != MagickFalse)
2038  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2039  assert(image_info->signature == MagickCoreSignature);
2040  assert(background != (const PixelInfo *) NULL);
2041  image=AcquireImage(image_info,exception);
2042  image->columns=width;
2043  image->rows=height;
2044  image->colorspace=background->colorspace;
2045  image->alpha_trait=background->alpha_trait;
2046  image->fuzz=background->fuzz;
2047  image->depth=background->depth;
2048  status=MagickTrue;
2049  image_view=AcquireAuthenticCacheView(image,exception);
2050 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2051  #pragma omp parallel for schedule(static,4) shared(status) \
2052  magick_threads(image,image,image->rows,1)
2053 #endif
2054  for (y=0; y < (ssize_t) image->rows; y++)
2055  {
2056  register Quantum
2057  *magick_restrict q;
2058 
2059  register ssize_t
2060  x;
2061 
2062  if (status == MagickFalse)
2063  continue;
2064  q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2065  if (q == (Quantum *) NULL)
2066  {
2067  status=MagickFalse;
2068  continue;
2069  }
2070  for (x=0; x < (ssize_t) image->columns; x++)
2071  {
2072  SetPixelViaPixelInfo(image,background,q);
2073  q+=GetPixelChannels(image);
2074  }
2075  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2076  status=MagickFalse;
2077  }
2078  image_view=DestroyCacheView(image_view);
2079  if (status == MagickFalse)
2080  image=DestroyImage(image);
2081  return(image);
2082 }
2083 
2084 /*
2085 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2086 % %
2087 % %
2088 % %
2089 % R e f e r e n c e I m a g e %
2090 % %
2091 % %
2092 % %
2093 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2094 %
2095 % ReferenceImage() increments the reference count associated with an image
2096 % returning a pointer to the image.
2097 %
2098 % The format of the ReferenceImage method is:
2099 %
2100 % Image *ReferenceImage(Image *image)
2101 %
2102 % A description of each parameter follows:
2103 %
2104 % o image: the image.
2105 %
2106 */
2108 {
2109  assert(image != (Image *) NULL);
2110  if (image->debug != MagickFalse)
2111  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2112  assert(image->signature == MagickCoreSignature);
2113  LockSemaphoreInfo(image->semaphore);
2114  image->reference_count++;
2116  return(image);
2117 }
2118 
2119 /*
2120 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2121 % %
2122 % %
2123 % %
2124 % R e s e t I m a g e P a g e %
2125 % %
2126 % %
2127 % %
2128 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2129 %
2130 % ResetImagePage() resets the image page canvas and position.
2131 %
2132 % The format of the ResetImagePage method is:
2133 %
2134 % MagickBooleanType ResetImagePage(Image *image,const char *page)
2135 %
2136 % A description of each parameter follows:
2137 %
2138 % o image: the image.
2139 %
2140 % o page: the relative page specification.
2141 %
2142 */
2144 {
2146  flags;
2147 
2149  geometry;
2150 
2151  assert(image != (Image *) NULL);
2152  assert(image->signature == MagickCoreSignature);
2153  if (image->debug != MagickFalse)
2154  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2155  flags=ParseAbsoluteGeometry(page,&geometry);
2156  if ((flags & WidthValue) != 0)
2157  {
2158  if ((flags & HeightValue) == 0)
2159  geometry.height=geometry.width;
2160  image->page.width=geometry.width;
2161  image->page.height=geometry.height;
2162  }
2163  if ((flags & AspectValue) != 0)
2164  {
2165  if ((flags & XValue) != 0)
2166  image->page.x+=geometry.x;
2167  if ((flags & YValue) != 0)
2168  image->page.y+=geometry.y;
2169  }
2170  else
2171  {
2172  if ((flags & XValue) != 0)
2173  {
2174  image->page.x=geometry.x;
2175  if ((image->page.width == 0) && (geometry.x > 0))
2176  image->page.width=image->columns+geometry.x;
2177  }
2178  if ((flags & YValue) != 0)
2179  {
2180  image->page.y=geometry.y;
2181  if ((image->page.height == 0) && (geometry.y > 0))
2182  image->page.height=image->rows+geometry.y;
2183  }
2184  }
2185  return(MagickTrue);
2186 }
2187 
2188 /*
2189 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2190 % %
2191 % %
2192 % %
2193 % S e t I m a g e B a c k g r o u n d C o l o r %
2194 % %
2195 % %
2196 % %
2197 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2198 %
2199 % SetImageBackgroundColor() initializes the image pixels to the image
2200 % background color. The background color is defined by the background_color
2201 % member of the image structure.
2202 %
2203 % The format of the SetImage method is:
2204 %
2205 % MagickBooleanType SetImageBackgroundColor(Image *image,
2206 % ExceptionInfo *exception)
2207 %
2208 % A description of each parameter follows:
2209 %
2210 % o image: the image.
2211 %
2212 % o exception: return any errors or warnings in this structure.
2213 %
2214 */
2217 {
2218  CacheView
2219  *image_view;
2220 
2222  status;
2223 
2224  PixelInfo
2225  background;
2226 
2227  ssize_t
2228  y;
2229 
2230  assert(image != (Image *) NULL);
2231  if (image->debug != MagickFalse)
2232  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2233  assert(image->signature == MagickCoreSignature);
2234  if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2235  return(MagickFalse);
2236  ConformPixelInfo(image,&image->background_color,&background,exception);
2237  /*
2238  Set image background color.
2239  */
2240  status=MagickTrue;
2241  image_view=AcquireAuthenticCacheView(image,exception);
2242  for (y=0; y < (ssize_t) image->rows; y++)
2243  {
2244  register Quantum
2245  *magick_restrict q;
2246 
2247  register ssize_t
2248  x;
2249 
2250  if (status == MagickFalse)
2251  continue;
2252  q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2253  if (q == (Quantum *) NULL)
2254  {
2255  status=MagickFalse;
2256  continue;
2257  }
2258  for (x=0; x < (ssize_t) image->columns; x++)
2259  {
2260  SetPixelViaPixelInfo(image,&background,q);
2261  q+=GetPixelChannels(image);
2262  }
2263  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2264  status=MagickFalse;
2265  }
2266  image_view=DestroyCacheView(image_view);
2267  return(status);
2268 }
2269 
2270 /*
2271 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2272 % %
2273 % %
2274 % %
2275 % S e t I m a g e C h a n n e l M a s k %
2276 % %
2277 % %
2278 % %
2279 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2280 %
2281 % SetImageChannelMask() sets the image channel mask from the specified channel
2282 % mask.
2283 %
2284 % The format of the SetImageChannelMask method is:
2285 %
2286 % ChannelType SetImageChannelMask(Image *image,
2287 % const ChannelType channel_mask)
2288 %
2289 % A description of each parameter follows:
2290 %
2291 % o image: the image.
2292 %
2293 % o channel_mask: the channel mask.
2294 %
2295 */
2297  const ChannelType channel_mask)
2298 {
2299  return(SetPixelChannelMask(image,channel_mask));
2300 }
2301 
2302 /*
2303 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2304 % %
2305 % %
2306 % %
2307 % S e t I m a g e C o l o r %
2308 % %
2309 % %
2310 % %
2311 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2312 %
2313 % SetImageColor() set the entire image canvas to the specified color.
2314 %
2315 % The format of the SetImageColor method is:
2316 %
2317 % MagickBooleanType SetImageColor(Image *image,const PixelInfo *color,
2318 % ExeptionInfo *exception)
2319 %
2320 % A description of each parameter follows:
2321 %
2322 % o image: the image.
2323 %
2324 % o background: the image color.
2325 %
2326 % o exception: return any errors or warnings in this structure.
2327 %
2328 */
2330  const PixelInfo *color,ExceptionInfo *exception)
2331 {
2332  CacheView
2333  *image_view;
2334 
2336  status;
2337 
2338  ssize_t
2339  y;
2340 
2341  assert(image != (Image *) NULL);
2342  if (image->debug != MagickFalse)
2343  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2344  assert(image->signature == MagickCoreSignature);
2345  assert(color != (const PixelInfo *) NULL);
2346  image->colorspace=color->colorspace;
2347  image->alpha_trait=color->alpha_trait;
2348  image->fuzz=color->fuzz;
2349  image->depth=color->depth;
2350  status=MagickTrue;
2351  image_view=AcquireAuthenticCacheView(image,exception);
2352 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2353  #pragma omp parallel for schedule(static,4) shared(status) \
2354  magick_threads(image,image,image->rows,1)
2355 #endif
2356  for (y=0; y < (ssize_t) image->rows; y++)
2357  {
2358  register Quantum
2359  *magick_restrict q;
2360 
2361  register ssize_t
2362  x;
2363 
2364  if (status == MagickFalse)
2365  continue;
2366  q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2367  if (q == (Quantum *) NULL)
2368  {
2369  status=MagickFalse;
2370  continue;
2371  }
2372  for (x=0; x < (ssize_t) image->columns; x++)
2373  {
2374  SetPixelViaPixelInfo(image,color,q);
2375  q+=GetPixelChannels(image);
2376  }
2377  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2378  status=MagickFalse;
2379  }
2380  image_view=DestroyCacheView(image_view);
2381  return(status);
2382 }
2383 
2384 /*
2385 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2386 % %
2387 % %
2388 % %
2389 % S e t I m a g e S t o r a g e C l a s s %
2390 % %
2391 % %
2392 % %
2393 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2394 %
2395 % SetImageStorageClass() sets the image class: DirectClass for true color
2396 % images or PseudoClass for colormapped images.
2397 %
2398 % The format of the SetImageStorageClass method is:
2399 %
2400 % MagickBooleanType SetImageStorageClass(Image *image,
2401 % const ClassType storage_class,ExceptionInfo *exception)
2402 %
2403 % A description of each parameter follows:
2404 %
2405 % o image: the image.
2406 %
2407 % o storage_class: The image class.
2408 %
2409 % o exception: return any errors or warnings in this structure.
2410 %
2411 */
2413  const ClassType storage_class,ExceptionInfo *exception)
2414 {
2415  image->storage_class=storage_class;
2416  return(SyncImagePixelCache(image,exception));
2417 }
2418 
2419 /*
2420 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2421 % %
2422 % %
2423 % %
2424 % S e t I m a g e E x t e n t %
2425 % %
2426 % %
2427 % %
2428 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2429 %
2430 % SetImageExtent() sets the image size (i.e. columns & rows).
2431 %
2432 % The format of the SetImageExtent method is:
2433 %
2434 % MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2435 % const size_t rows,ExceptionInfo *exception)
2436 %
2437 % A description of each parameter follows:
2438 %
2439 % o image: the image.
2440 %
2441 % o columns: The image width in pixels.
2442 %
2443 % o rows: The image height in pixels.
2444 %
2445 % o exception: return any errors or warnings in this structure.
2446 %
2447 */
2449  const size_t rows,ExceptionInfo *exception)
2450 {
2451  if ((columns == 0) || (rows == 0))
2452  ThrowBinaryException(ImageError,"NegativeOrZeroImageSize",image->filename);
2453  image->columns=columns;
2454  image->rows=rows;
2455  if (image->depth > (8*sizeof(MagickSizeType)))
2456  ThrowBinaryException(ImageError,"ImageDepthNotSupported",image->filename);
2457  return(SyncImagePixelCache(image,exception));
2458 }
2459 
2460 /*
2461 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2462 % %
2463 % %
2464 % %
2465 + S e t I m a g e I n f o %
2466 % %
2467 % %
2468 % %
2469 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2470 %
2471 % SetImageInfo() initializes the 'magick' field of the ImageInfo structure.
2472 % It is set to a type of image format based on the prefix or suffix of the
2473 % filename. For example, 'ps:image' returns PS indicating a Postscript image.
2474 % JPEG is returned for this filename: 'image.jpg'. The filename prefix has
2475 % precendence over the suffix. Use an optional index enclosed in brackets
2476 % after a file name to specify a desired scene of a multi-resolution image
2477 % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value
2478 % indicates success.
2479 %
2480 % The format of the SetImageInfo method is:
2481 %
2482 % MagickBooleanType SetImageInfo(ImageInfo *image_info,
2483 % const unsigned int frames,ExceptionInfo *exception)
2484 %
2485 % A description of each parameter follows:
2486 %
2487 % o image_info: the image info.
2488 %
2489 % o frames: the number of images you intend to write.
2490 %
2491 % o exception: return any errors or warnings in this structure.
2492 %
2493 */
2495  const unsigned int frames,ExceptionInfo *exception)
2496 {
2497  char
2498  component[MagickPathExtent],
2499  magic[MagickPathExtent],
2500  *q;
2501 
2502  const MagicInfo
2503  *magic_info;
2504 
2505  const MagickInfo
2506  *magick_info;
2507 
2509  *sans_exception;
2510 
2511  Image
2512  *image;
2513 
2515  status;
2516 
2517  register const char
2518  *p;
2519 
2520  ssize_t
2521  count;
2522 
2523  /*
2524  Look for 'image.format' in filename.
2525  */
2526  assert(image_info != (ImageInfo *) NULL);
2527  assert(image_info->signature == MagickCoreSignature);
2528  if (image_info->debug != MagickFalse)
2530  image_info->filename);
2531  *component='\0';
2532  GetPathComponent(image_info->filename,SubimagePath,component);
2533  if (*component != '\0')
2534  {
2535  /*
2536  Look for scene specification (e.g. img0001.pcd[4]).
2537  */
2538  if (IsSceneGeometry(component,MagickFalse) == MagickFalse)
2539  {
2540  if (IsGeometry(component) != MagickFalse)
2541  (void) CloneString(&image_info->extract,component);
2542  }
2543  else
2544  {
2545  size_t
2546  first,
2547  last;
2548 
2549  (void) CloneString(&image_info->scenes,component);
2550  image_info->scene=StringToUnsignedLong(image_info->scenes);
2551  image_info->number_scenes=image_info->scene;
2552  p=image_info->scenes;
2553  for (q=(char *) image_info->scenes; *q != '\0'; p++)
2554  {
2555  while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
2556  p++;
2557  first=(size_t) strtol(p,&q,10);
2558  last=first;
2559  while (isspace((int) ((unsigned char) *q)) != 0)
2560  q++;
2561  if (*q == '-')
2562  last=(size_t) strtol(q+1,&q,10);
2563  if (first > last)
2564  Swap(first,last);
2565  if (first < image_info->scene)
2566  image_info->scene=first;
2567  if (last > image_info->number_scenes)
2568  image_info->number_scenes=last;
2569  p=q;
2570  }
2571  image_info->number_scenes-=image_info->scene-1;
2572  }
2573  }
2574  *component='\0';
2575  if (*image_info->magick == '\0')
2576  GetPathComponent(image_info->filename,ExtensionPath,component);
2577 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2578  if (*component != '\0')
2579  if ((LocaleCompare(component,"gz") == 0) ||
2580  (LocaleCompare(component,"Z") == 0) ||
2581  (LocaleCompare(component,"svgz") == 0) ||
2582  (LocaleCompare(component,"wmz") == 0))
2583  {
2584  char
2585  path[MagickPathExtent];
2586 
2587  (void) CopyMagickString(path,image_info->filename,MagickPathExtent);
2588  path[strlen(path)-strlen(component)-1]='\0';
2589  GetPathComponent(path,ExtensionPath,component);
2590  }
2591 #endif
2592 #if defined(MAGICKCORE_BZLIB_DELEGATE)
2593  if (*component != '\0')
2594  if (LocaleCompare(component,"bz2") == 0)
2595  {
2596  char
2597  path[MagickPathExtent];
2598 
2599  (void) CopyMagickString(path,image_info->filename,MagickPathExtent);
2600  path[strlen(path)-strlen(component)-1]='\0';
2601  GetPathComponent(path,ExtensionPath,component);
2602  }
2603 #endif
2604  image_info->affirm=MagickFalse;
2605  sans_exception=AcquireExceptionInfo();
2606  if (*component != '\0')
2607  {
2609  format_type;
2610 
2611  register ssize_t
2612  i;
2613 
2614  static const char
2615  *format_type_formats[] =
2616  {
2617  "AUTOTRACE",
2618  "BROWSE",
2619  "DCRAW",
2620  "EDIT",
2621  "LAUNCH",
2622  "MPEG:DECODE",
2623  "MPEG:ENCODE",
2624  "PRINT",
2625  "PS:ALPHA",
2626  "PS:CMYK",
2627  "PS:COLOR",
2628  "PS:GRAY",
2629  "PS:MONO",
2630  "SCAN",
2631  "SHOW",
2632  "WIN",
2633  (char *) NULL
2634  };
2635 
2636  /*
2637  User specified image format.
2638  */
2639  (void) CopyMagickString(magic,component,MagickPathExtent);
2640  LocaleUpper(magic);
2641  /*
2642  Look for explicit image formats.
2643  */
2644  format_type=UndefinedFormatType;
2645  magick_info=GetMagickInfo(magic,sans_exception);
2646  if ((magick_info != (const MagickInfo *) NULL) &&
2647  (magick_info->format_type != UndefinedFormatType))
2648  format_type=magick_info->format_type;
2649  i=0;
2650  while ((format_type == UndefinedFormatType) &&
2651  (format_type_formats[i] != (char *) NULL))
2652  {
2653  if ((*magic == *format_type_formats[i]) &&
2654  (LocaleCompare(magic,format_type_formats[i]) == 0))
2655  format_type=ExplicitFormatType;
2656  i++;
2657  }
2658  if (format_type == UndefinedFormatType)
2659  (void) CopyMagickString(image_info->magick,magic,MagickPathExtent);
2660  else
2661  if (format_type == ExplicitFormatType)
2662  {
2663  image_info->affirm=MagickTrue;
2664  (void) CopyMagickString(image_info->magick,magic,MagickPathExtent);
2665  }
2666  if (LocaleCompare(magic,"RGB") == 0)
2667  image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */
2668  }
2669  /*
2670  Look for explicit 'format:image' in filename.
2671  */
2672  *magic='\0';
2673  GetPathComponent(image_info->filename,MagickPath,magic);
2674  if (*magic == '\0')
2675  {
2676  (void) CopyMagickString(magic,image_info->magick,MagickPathExtent);
2677  magick_info=GetMagickInfo(magic,sans_exception);
2678  GetPathComponent(image_info->filename,CanonicalPath,component);
2679  (void) CopyMagickString(image_info->filename,component,MagickPathExtent);
2680  }
2681  else
2682  {
2683  const DelegateInfo
2684  *delegate_info;
2685 
2686  /*
2687  User specified image format.
2688  */
2689  LocaleUpper(magic);
2690  magick_info=GetMagickInfo(magic,sans_exception);
2691  delegate_info=GetDelegateInfo(magic,"*",sans_exception);
2692  if (delegate_info == (const DelegateInfo *) NULL)
2693  delegate_info=GetDelegateInfo("*",magic,sans_exception);
2694  if (((magick_info != (const MagickInfo *) NULL) ||
2695  (delegate_info != (const DelegateInfo *) NULL)) &&
2696  (IsMagickConflict(magic) == MagickFalse))
2697  {
2698  image_info->affirm=MagickTrue;
2699  (void) CopyMagickString(image_info->magick,magic,MagickPathExtent);
2700  GetPathComponent(image_info->filename,CanonicalPath,component);
2701  (void) CopyMagickString(image_info->filename,component,
2703  }
2704  }
2705  sans_exception=DestroyExceptionInfo(sans_exception);
2706  if ((magick_info == (const MagickInfo *) NULL) ||
2707  (GetMagickEndianSupport(magick_info) == MagickFalse))
2708  image_info->endian=UndefinedEndian;
2709  if ((image_info->adjoin != MagickFalse) && (frames > 1))
2710  {
2711  /*
2712  Test for multiple image support (e.g. image%02d.png).
2713  */
2714  (void) InterpretImageFilename(image_info,(Image *) NULL,
2715  image_info->filename,(int) image_info->scene,component,exception);
2716  if ((LocaleCompare(component,image_info->filename) != 0) &&
2717  (strchr(component,'%') == (char *) NULL))
2718  image_info->adjoin=MagickFalse;
2719  }
2720  if ((image_info->adjoin != MagickFalse) && (frames > 0))
2721  {
2722  /*
2723  Some image formats do not support multiple frames per file.
2724  */
2725  magick_info=GetMagickInfo(magic,exception);
2726  if (magick_info != (const MagickInfo *) NULL)
2727  if (GetMagickAdjoin(magick_info) == MagickFalse)
2728  image_info->adjoin=MagickFalse;
2729  }
2730  if (image_info->affirm != MagickFalse)
2731  return(MagickTrue);
2732  if (frames == 0)
2733  {
2734  unsigned char
2735  *magick;
2736 
2737  size_t
2738  magick_size;
2739 
2740  /*
2741  Determine the image format from the first few bytes of the file.
2742  */
2743  magick_size=GetMagicPatternExtent(exception);
2744  if (magick_size == 0)
2745  return(MagickFalse);
2746  image=AcquireImage(image_info,exception);
2747  (void) CopyMagickString(image->filename,image_info->filename,
2749  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
2750  if (status == MagickFalse)
2751  {
2752  image=DestroyImage(image);
2753  return(MagickFalse);
2754  }
2755  if ((IsBlobSeekable(image) == MagickFalse) ||
2756  (IsBlobExempt(image) != MagickFalse))
2757  {
2758  /*
2759  Copy standard input or pipe to temporary file.
2760  */
2761  *component='\0';
2762  status=ImageToFile(image,component,exception);
2763  (void) CloseBlob(image);
2764  if (status == MagickFalse)
2765  {
2766  image=DestroyImage(image);
2767  return(MagickFalse);
2768  }
2769  SetImageInfoFile(image_info,(FILE *) NULL);
2770  (void) CopyMagickString(image->filename,component,MagickPathExtent);
2771  status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
2772  if (status == MagickFalse)
2773  {
2774  image=DestroyImage(image);
2775  return(MagickFalse);
2776  }
2777  (void) CopyMagickString(image_info->filename,component,
2779  image_info->temporary=MagickTrue;
2780  }
2781  magick=(unsigned char *) AcquireMagickMemory(magick_size);
2782  if (magick == (unsigned char *) NULL)
2783  {
2784  (void) CloseBlob(image);
2785  image=DestroyImage(image);
2786  return(MagickFalse);
2787  }
2788  (void) ResetMagickMemory(magick,0,magick_size);
2789  count=ReadBlob(image,magick_size,magick);
2790  (void) SeekBlob(image,-((MagickOffsetType) count),SEEK_CUR);
2791  (void) CloseBlob(image);
2792  image=DestroyImage(image);
2793  /*
2794  Check magic.xml configuration file.
2795  */
2796  sans_exception=AcquireExceptionInfo();
2797  magic_info=GetMagicInfo(magick,(size_t) count,sans_exception);
2798  magick=(unsigned char *) RelinquishMagickMemory(magick);
2799  if ((magic_info != (const MagicInfo *) NULL) &&
2800  (GetMagicName(magic_info) != (char *) NULL))
2801  {
2802  /*
2803  Try to use magick_info that was determined earlier by the extension
2804  */
2805  if ((magick_info != (const MagickInfo *) NULL) &&
2806  (GetMagickUseExtension(magick_info) != MagickFalse) &&
2807  (LocaleCompare(magick_info->module,GetMagicName(
2808  magic_info)) == 0))
2809  (void) CopyMagickString(image_info->magick,magick_info->name,
2811  else
2812  {
2813  (void) CopyMagickString(image_info->magick,GetMagicName(
2814  magic_info),MagickPathExtent);
2815  magick_info=GetMagickInfo(image_info->magick,sans_exception);
2816  }
2817  if ((magick_info == (const MagickInfo *) NULL) ||
2818  (GetMagickEndianSupport(magick_info) == MagickFalse))
2819  image_info->endian=UndefinedEndian;
2820  sans_exception=DestroyExceptionInfo(sans_exception);
2821  return(MagickTrue);
2822  }
2823  magick_info=GetMagickInfo(image_info->magick,sans_exception);
2824  if ((magick_info == (const MagickInfo *) NULL) ||
2825  (GetMagickEndianSupport(magick_info) == MagickFalse))
2826  image_info->endian=UndefinedEndian;
2827  sans_exception=DestroyExceptionInfo(sans_exception);
2828  }
2829  return(MagickTrue);
2830 }
2831 
2832 /*
2833 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2834 % %
2835 % %
2836 % %
2837 % S e t I m a g e I n f o B l o b %
2838 % %
2839 % %
2840 % %
2841 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2842 %
2843 % SetImageInfoBlob() sets the image info blob member.
2844 %
2845 % The format of the SetImageInfoBlob method is:
2846 %
2847 % void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
2848 % const size_t length)
2849 %
2850 % A description of each parameter follows:
2851 %
2852 % o image_info: the image info.
2853 %
2854 % o blob: the blob.
2855 %
2856 % o length: the blob length.
2857 %
2858 */
2859 MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
2860  const size_t length)
2861 {
2862  assert(image_info != (ImageInfo *) NULL);
2863  assert(image_info->signature == MagickCoreSignature);
2864  if (image_info->debug != MagickFalse)
2866  image_info->filename);
2867  image_info->blob=(void *) blob;
2868  image_info->length=length;
2869 }
2870 
2871 /*
2872 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2873 % %
2874 % %
2875 % %
2876 % S e t I m a g e I n f o F i l e %
2877 % %
2878 % %
2879 % %
2880 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2881 %
2882 % SetImageInfoFile() sets the image info file member.
2883 %
2884 % The format of the SetImageInfoFile method is:
2885 %
2886 % void SetImageInfoFile(ImageInfo *image_info,FILE *file)
2887 %
2888 % A description of each parameter follows:
2889 %
2890 % o image_info: the image info.
2891 %
2892 % o file: the file.
2893 %
2894 */
2895 MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file)
2896 {
2897  assert(image_info != (ImageInfo *) NULL);
2898  assert(image_info->signature == MagickCoreSignature);
2899  if (image_info->debug != MagickFalse)
2901  image_info->filename);
2902  image_info->file=file;
2903 }
2904 
2905 /*
2906 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2907 % %
2908 % %
2909 % %
2910 % S e t I m a g e M a s k %
2911 % %
2912 % %
2913 % %
2914 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2915 %
2916 % SetImageMask() associates a mask with the image. The mask must be the same
2917 % dimensions as the image.
2918 %
2919 % The format of the SetImageMask method is:
2920 %
2921 % MagickBooleanType SetImageMask(Image *image,const PixelMask type,
2922 % const Image *mask,ExceptionInfo *exception)
2923 %
2924 % A description of each parameter follows:
2925 %
2926 % o image: the image.
2927 %
2928 % o type: the mask type, ReadPixelMask or WritePixelMask.
2929 %
2930 % o mask: the image mask.
2931 %
2932 % o exception: return any errors or warnings in this structure.
2933 %
2934 */
2936  const Image *mask,ExceptionInfo *exception)
2937 {
2938  CacheView
2939  *mask_view,
2940  *image_view;
2941 
2943  status;
2944 
2945  ssize_t
2946  y;
2947 
2948  /*
2949  Set image mask.
2950  */
2951  assert(image != (Image *) NULL);
2952  if (image->debug != MagickFalse)
2953  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2954  assert(image->signature == MagickCoreSignature);
2955  if (mask == (const Image *) NULL)
2956  {
2957  switch (type)
2958  {
2959  case WritePixelMask: image->write_mask=MagickFalse; break;
2960  default: image->read_mask=MagickFalse; break;
2961  }
2962  return(SyncImagePixelCache(image,exception));
2963  }
2964  switch (type)
2965  {
2966  case WritePixelMask: image->write_mask=MagickTrue; break;
2967  default: image->read_mask=MagickTrue; break;
2968  }
2969  if (SyncImagePixelCache(image,exception) == MagickFalse)
2970  return(MagickFalse);
2971  status=MagickTrue;
2972  mask_view=AcquireVirtualCacheView(mask,exception);
2973  image_view=AcquireAuthenticCacheView(image,exception);
2974 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2975  #pragma omp parallel for schedule(static,4) shared(status) \
2976  magick_threads(mask,image,1,1)
2977 #endif
2978  for (y=0; y < (ssize_t) image->rows; y++)
2979  {
2980  register const Quantum
2981  *magick_restrict p;
2982 
2983  register Quantum
2984  *magick_restrict q;
2985 
2986  register ssize_t
2987  x;
2988 
2989  if (status == MagickFalse)
2990  continue;
2991  p=GetCacheViewVirtualPixels(mask_view,0,y,mask->columns,1,exception);
2992  q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2993  if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
2994  {
2995  status=MagickFalse;
2996  continue;
2997  }
2998  for (x=0; x < (ssize_t) image->columns; x++)
2999  {
3001  intensity;
3002 
3003  intensity=GetPixelIntensity(mask,p);
3004  switch (type)
3005  {
3006  case WritePixelMask:
3007  {
3008  SetPixelWriteMask(image,ClampToQuantum(QuantumRange-intensity),q);
3009  break;
3010  }
3011  default:
3012  {
3013  SetPixelReadMask(image,ClampToQuantum(QuantumRange-intensity),q);
3014  break;
3015  }
3016  }
3017  p+=GetPixelChannels(mask);
3018  q+=GetPixelChannels(image);
3019  }
3020  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3021  status=MagickFalse;
3022  }
3023  mask_view=DestroyCacheView(mask_view);
3024  image_view=DestroyCacheView(image_view);
3025  return(status);
3026 }
3027 
3028 /*
3029 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3030 % %
3031 % %
3032 % %
3033 % S e t I m a g e A l p h a %
3034 % %
3035 % %
3036 % %
3037 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3038 %
3039 % SetImageAlpha() sets the alpha levels of the image.
3040 %
3041 % The format of the SetImageAlpha method is:
3042 %
3043 % MagickBooleanType SetImageAlpha(Image *image,const Quantum alpha,
3044 % ExceptionInfo *exception)
3045 %
3046 % A description of each parameter follows:
3047 %
3048 % o image: the image.
3049 %
3050 % o Alpha: the level of transparency: 0 is fully opaque and QuantumRange is
3051 % fully transparent.
3052 %
3053 */
3056 {
3057  CacheView
3058  *image_view;
3059 
3061  status;
3062 
3063  ssize_t
3064  y;
3065 
3066  assert(image != (Image *) NULL);
3067  if (image->debug != MagickFalse)
3068  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3069  assert(image->signature == MagickCoreSignature);
3071  status=MagickTrue;
3072  image_view=AcquireAuthenticCacheView(image,exception);
3073 #if defined(MAGICKCORE_OPENMP_SUPPORT)
3074  #pragma omp parallel for schedule(static,4) shared(status) \
3075  magick_threads(image,image,image->rows,1)
3076 #endif
3077  for (y=0; y < (ssize_t) image->rows; y++)
3078  {
3079  register Quantum
3080  *magick_restrict q;
3081 
3082  register ssize_t
3083  x;
3084 
3085  if (status == MagickFalse)
3086  continue;
3087  q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
3088  if (q == (Quantum *) NULL)
3089  {
3090  status=MagickFalse;
3091  continue;
3092  }
3093  for (x=0; x < (ssize_t) image->columns; x++)
3094  {
3095  if (GetPixelReadMask(image,q) != 0)
3096  SetPixelAlpha(image,alpha,q);
3097  q+=GetPixelChannels(image);
3098  }
3099  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3100  status=MagickFalse;
3101  }
3102  image_view=DestroyCacheView(image_view);
3103  return(status);
3104 }
3105 
3106 /*
3107 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3108 % %
3109 % %
3110 % %
3111 % S e t I m a g e V i r t u a l P i x e l M e t h o d %
3112 % %
3113 % %
3114 % %
3115 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3116 %
3117 % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the
3118 % image and returns the previous setting. A virtual pixel is any pixel access
3119 % that is outside the boundaries of the image cache.
3120 %
3121 % The format of the SetImageVirtualPixelMethod() method is:
3122 %
3123 % VirtualPixelMethod SetImageVirtualPixelMethod(Image *image,
3124 % const VirtualPixelMethod virtual_pixel_method,ExceptionInfo *exception)
3125 %
3126 % A description of each parameter follows:
3127 %
3128 % o image: the image.
3129 %
3130 % o virtual_pixel_method: choose the type of virtual pixel.
3131 %
3132 % o exception: return any errors or warnings in this structure.
3133 %
3134 */
3136  const VirtualPixelMethod virtual_pixel_method,ExceptionInfo *exception)
3137 {
3138  assert(image != (const Image *) NULL);
3139  assert(image->signature == MagickCoreSignature);
3140  if (image->debug != MagickFalse)
3141  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3142  return(SetPixelCacheVirtualMethod(image,virtual_pixel_method,exception));
3143 }
3144 
3145 /*
3146 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3147 % %
3148 % %
3149 % %
3150 % S m u s h I m a g e s %
3151 % %
3152 % %
3153 % %
3154 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3155 %
3156 % SmushImages() takes all images from the current image pointer to the end
3157 % of the image list and smushes them to each other top-to-bottom if the
3158 % stack parameter is true, otherwise left-to-right.
3159 %
3160 % The current gravity setting now effects how the image is justified in the
3161 % final image.
3162 %
3163 % The format of the SmushImages method is:
3164 %
3165 % Image *SmushImages(const Image *images,const MagickBooleanType stack,
3166 % ExceptionInfo *exception)
3167 %
3168 % A description of each parameter follows:
3169 %
3170 % o images: the image sequence.
3171 %
3172 % o stack: A value other than 0 stacks the images top-to-bottom.
3173 %
3174 % o offset: minimum distance in pixels between images.
3175 %
3176 % o exception: return any errors or warnings in this structure.
3177 %
3178 */
3179 
3180 static ssize_t SmushXGap(const Image *smush_image,const Image *images,
3181  const ssize_t offset,ExceptionInfo *exception)
3182 {
3183  CacheView
3184  *left_view,
3185  *right_view;
3186 
3187  const Image
3188  *left_image,
3189  *right_image;
3190 
3192  left_geometry,
3193  right_geometry;
3194 
3195  register const Quantum
3196  *p;
3197 
3198  register ssize_t
3199  i,
3200  y;
3201 
3202  size_t
3203  gap;
3204 
3205  ssize_t
3206  x;
3207 
3208  if (images->previous == (Image *) NULL)
3209  return(0);
3210  right_image=images;
3211  SetGeometry(smush_image,&right_geometry);
3212  GravityAdjustGeometry(right_image->columns,right_image->rows,
3213  right_image->gravity,&right_geometry);
3214  left_image=images->previous;
3215  SetGeometry(smush_image,&left_geometry);
3216  GravityAdjustGeometry(left_image->columns,left_image->rows,
3217  left_image->gravity,&left_geometry);
3218  gap=right_image->columns;
3219  left_view=AcquireVirtualCacheView(left_image,exception);
3220  right_view=AcquireVirtualCacheView(right_image,exception);
3221  for (y=0; y < (ssize_t) smush_image->rows; y++)
3222  {
3223  for (x=(ssize_t) left_image->columns-1; x > 0; x--)
3224  {
3225  p=GetCacheViewVirtualPixels(left_view,x,left_geometry.y+y,1,1,exception);
3226  if ((p == (const Quantum *) NULL) ||
3227  (GetPixelAlpha(left_image,p) != TransparentAlpha) ||
3228  ((left_image->columns-x-1) >= gap))
3229  break;
3230  }
3231  i=(ssize_t) left_image->columns-x-1;
3232  for (x=0; x < (ssize_t) right_image->columns; x++)
3233  {
3234  p=GetCacheViewVirtualPixels(right_view,x,right_geometry.y+y,1,1,
3235  exception);
3236  if ((p == (const Quantum *) NULL) ||
3237  (GetPixelAlpha(right_image,p) != TransparentAlpha) ||
3238  ((x+i) >= (ssize_t) gap))
3239  break;
3240  }
3241  if ((x+i) < (ssize_t) gap)
3242  gap=(size_t) (x+i);
3243  }
3244  right_view=DestroyCacheView(right_view);
3245  left_view=DestroyCacheView(left_view);
3246  if (y < (ssize_t) smush_image->rows)
3247  return(offset);
3248  return((ssize_t) gap-offset);
3249 }
3250 
3251 static ssize_t SmushYGap(const Image *smush_image,const Image *images,
3252  const ssize_t offset,ExceptionInfo *exception)
3253 {
3254  CacheView
3255  *bottom_view,
3256  *top_view;
3257 
3258  const Image
3259  *bottom_image,
3260  *top_image;
3261 
3263  bottom_geometry,
3264  top_geometry;
3265 
3266  register const Quantum
3267  *p;
3268 
3269  register ssize_t
3270  i,
3271  x;
3272 
3273  size_t
3274  gap;
3275 
3276  ssize_t
3277  y;
3278 
3279  if (images->previous == (Image *) NULL)
3280  return(0);
3281  bottom_image=images;
3282  SetGeometry(smush_image,&bottom_geometry);
3283  GravityAdjustGeometry(bottom_image->columns,bottom_image->rows,
3284  bottom_image->gravity,&bottom_geometry);
3285  top_image=images->previous;
3286  SetGeometry(smush_image,&top_geometry);
3287  GravityAdjustGeometry(top_image->columns,top_image->rows,top_image->gravity,
3288  &top_geometry);
3289  gap=bottom_image->rows;
3290  top_view=AcquireVirtualCacheView(top_image,exception);
3291  bottom_view=AcquireVirtualCacheView(bottom_image,exception);
3292  for (x=0; x < (ssize_t) smush_image->columns; x++)
3293  {
3294  for (y=(ssize_t) top_image->rows-1; y > 0; y--)
3295  {
3296  p=GetCacheViewVirtualPixels(top_view,top_geometry.x+x,y,1,1,exception);
3297  if ((p == (const Quantum *) NULL) ||
3298  (GetPixelAlpha(top_image,p) != TransparentAlpha) ||
3299  ((top_image->rows-y-1) >= gap))
3300  break;
3301  }
3302  i=(ssize_t) top_image->rows-y-1;
3303  for (y=0; y < (ssize_t) bottom_image->rows; y++)
3304  {
3305  p=GetCacheViewVirtualPixels(bottom_view,bottom_geometry.x+x,y,1,1,
3306  exception);
3307  if ((p == (const Quantum *) NULL) ||
3308  (GetPixelAlpha(bottom_image,p) != TransparentAlpha) ||
3309  ((y+i) >= (ssize_t) gap))
3310  break;
3311  }
3312  if ((y+i) < (ssize_t) gap)
3313  gap=(size_t) (y+i);
3314  }
3315  bottom_view=DestroyCacheView(bottom_view);
3316  top_view=DestroyCacheView(top_view);
3317  if (x < (ssize_t) smush_image->columns)
3318  return(offset);
3319  return((ssize_t) gap-offset);
3320 }
3321 
3323  const MagickBooleanType stack,const ssize_t offset,ExceptionInfo *exception)
3324 {
3325 #define SmushImageTag "Smush/Image"
3326 
3327  const Image
3328  *image;
3329 
3330  Image
3331  *smush_image;
3332 
3334  proceed,
3335  status;
3336 
3338  n;
3339 
3340  PixelTrait
3341  alpha_trait;
3342 
3344  geometry;
3345 
3346  register const Image
3347  *next;
3348 
3349  size_t
3350  height,
3351  number_images,
3352  width;
3353 
3354  ssize_t
3355  x_offset,
3356  y_offset;
3357 
3358  /*
3359  Compute maximum area of smushed area.
3360  */
3361  assert(images != (Image *) NULL);
3362  assert(images->signature == MagickCoreSignature);
3363  if (images->debug != MagickFalse)
3364  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3365  assert(exception != (ExceptionInfo *) NULL);
3366  assert(exception->signature == MagickCoreSignature);
3367  image=images;
3368  alpha_trait=image->alpha_trait;
3369  number_images=1;
3370  width=image->columns;
3371  height=image->rows;
3372  next=GetNextImageInList(image);
3373  for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
3374  {
3375  if (next->alpha_trait != UndefinedPixelTrait)
3376  alpha_trait=BlendPixelTrait;
3377  number_images++;
3378  if (stack != MagickFalse)
3379  {
3380  if (next->columns > width)
3381  width=next->columns;
3382  height+=next->rows;
3383  if (next->previous != (Image *) NULL)
3384  height+=offset;
3385  continue;
3386  }
3387  width+=next->columns;
3388  if (next->previous != (Image *) NULL)
3389  width+=offset;
3390  if (next->rows > height)
3391  height=next->rows;
3392  }
3393  /*
3394  Smush images.
3395  */
3396  smush_image=CloneImage(image,width,height,MagickTrue,exception);
3397  if (smush_image == (Image *) NULL)
3398  return((Image *) NULL);
3399  if (SetImageStorageClass(smush_image,DirectClass,exception) == MagickFalse)
3400  {
3401  smush_image=DestroyImage(smush_image);
3402  return((Image *) NULL);
3403  }
3404  smush_image->alpha_trait=alpha_trait;
3405  (void) SetImageBackgroundColor(smush_image,exception);
3406  status=MagickTrue;
3407  x_offset=0;
3408  y_offset=0;
3409  for (n=0; n < (MagickOffsetType) number_images; n++)
3410  {
3411  SetGeometry(smush_image,&geometry);
3412  GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
3413  if (stack != MagickFalse)
3414  {
3415  x_offset-=geometry.x;
3416  y_offset-=SmushYGap(smush_image,image,offset,exception);
3417  }
3418  else
3419  {
3420  x_offset-=SmushXGap(smush_image,image,offset,exception);
3421  y_offset-=geometry.y;
3422  }
3423  status=CompositeImage(smush_image,image,OverCompositeOp,MagickTrue,x_offset,
3424  y_offset,exception);
3425  proceed=SetImageProgress(image,SmushImageTag,n,number_images);
3426  if (proceed == MagickFalse)
3427  break;
3428  if (stack == MagickFalse)
3429  {
3430  x_offset+=(ssize_t) image->columns;
3431  y_offset=0;
3432  }
3433  else
3434  {
3435  x_offset=0;
3436  y_offset+=(ssize_t) image->rows;
3437  }
3438  image=GetNextImageInList(image);
3439  }
3440  if (stack == MagickFalse)
3441  smush_image->columns=(size_t) x_offset;
3442  else
3443  smush_image->rows=(size_t) y_offset;
3444  if (status == MagickFalse)
3445  smush_image=DestroyImage(smush_image);
3446  return(smush_image);
3447 }
3448 
3449 /*
3450 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3451 % %
3452 % %
3453 % %
3454 % S t r i p I m a g e %
3455 % %
3456 % %
3457 % %
3458 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3459 %
3460 % StripImage() strips an image of all profiles and comments.
3461 %
3462 % The format of the StripImage method is:
3463 %
3464 % MagickBooleanType StripImage(Image *image,ExceptionInfo *exception)
3465 %
3466 % A description of each parameter follows:
3467 %
3468 % o image: the image.
3469 %
3470 % o exception: return any errors or warnings in this structure.
3471 %
3472 */
3474 {
3476  status;
3477 
3478  assert(image != (Image *) NULL);
3479  if (image->debug != MagickFalse)
3480  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3481  (void) exception;
3482  DestroyImageProfiles(image);
3483  (void) DeleteImageProperty(image,"comment");
3484  (void) DeleteImageProperty(image,"date:create");
3485  (void) DeleteImageProperty(image,"date:modify");
3486  status=SetImageArtifact(image,"png:exclude-chunk",
3487  "bKGD,cHRM,EXIF,gAMA,iCCP,iTXt,sRGB,tEXt,zCCP,zTXt,date");
3488  return(status);
3489 }
3490 
3491 /*
3492 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3493 % %
3494 % %
3495 % %
3496 + S y n c I m a g e %
3497 % %
3498 % %
3499 % %
3500 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3501 %
3502 % SyncImage() initializes the red, green, and blue intensities of each pixel
3503 % as defined by the colormap index.
3504 %
3505 % The format of the SyncImage method is:
3506 %
3507 % MagickBooleanType SyncImage(Image *image,ExceptionInfo *exception)
3508 %
3509 % A description of each parameter follows:
3510 %
3511 % o image: the image.
3512 %
3513 % o exception: return any errors or warnings in this structure.
3514 %
3515 */
3516 
3517 static inline Quantum PushColormapIndex(Image *image,const Quantum index,
3518  MagickBooleanType *range_exception)
3519 {
3520  if ((size_t) index < image->colors)
3521  return(index);
3522  *range_exception=MagickTrue;
3523  return((Quantum) 0);
3524 }
3525 
3527 {
3528  CacheView
3529  *image_view;
3530 
3532  range_exception,
3533  status,
3534  taint;
3535 
3536  ssize_t
3537  y;
3538 
3539  assert(image != (Image *) NULL);
3540  if (image->debug != MagickFalse)
3541  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3542  assert(image->signature == MagickCoreSignature);
3543  if (image->storage_class == DirectClass)
3544  return(MagickFalse);
3545  range_exception=MagickFalse;
3546  status=MagickTrue;
3547  taint=image->taint;
3548  image_view=AcquireAuthenticCacheView(image,exception);
3549 #if defined(MAGICKCORE_OPENMP_SUPPORT)
3550  #pragma omp parallel for schedule(static,4) shared(range_exception,status) \
3551  magick_threads(image,image,image->rows,1)
3552 #endif
3553  for (y=0; y < (ssize_t) image->rows; y++)
3554  {
3555  Quantum
3556  index;
3557 
3558  register Quantum
3559  *magick_restrict q;
3560 
3561  register ssize_t
3562  x;
3563 
3564  if (status == MagickFalse)
3565  continue;
3566  q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
3567  if (q == (Quantum *) NULL)
3568  {
3569  status=MagickFalse;
3570  continue;
3571  }
3572  for (x=0; x < (ssize_t) image->columns; x++)
3573  {
3574  index=PushColormapIndex(image,GetPixelIndex(image,q),&range_exception);
3575  SetPixelViaPixelInfo(image,image->colormap+(ssize_t) index,q);
3576  q+=GetPixelChannels(image);
3577  }
3578  if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3579  status=MagickFalse;
3580  }
3581  image_view=DestroyCacheView(image_view);
3582  image->taint=taint;
3583  if ((image->ping == MagickFalse) && (range_exception != MagickFalse))
3584  (void) ThrowMagickException(exception,GetMagickModule(),
3585  CorruptImageWarning,"InvalidColormapIndex","`%s'",image->filename);
3586  return(status);
3587 }
3588 
3589 /*
3590 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3591 % %
3592 % %
3593 % %
3594 % S y n c I m a g e S e t t i n g s %
3595 % %
3596 % %
3597 % %
3598 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3599 %
3600 % SyncImageSettings() syncs any image_info global options into per-image
3601 % attributes.
3602 %
3603 % Note: in IMv6 free form 'options' were always mapped into 'artifacts', so
3604 % that operations and coders can find such settings. In IMv7 if a desired
3605 % per-image artifact is not set, then it will directly look for a global
3606 % option as a fallback, as such this copy is no longer needed, only the
3607 % link set up.
3608 %
3609 % The format of the SyncImageSettings method is:
3610 %
3611 % MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
3612 % Image *image,ExceptionInfo *exception)
3613 % MagickBooleanType SyncImagesSettings(const ImageInfo *image_info,
3614 % Image *image,ExceptionInfo *exception)
3615 %
3616 % A description of each parameter follows:
3617 %
3618 % o image_info: the image info.
3619 %
3620 % o image: the image.
3621 %
3622 % o exception: return any errors or warnings in this structure.
3623 %
3624 */
3625 
3627  Image *images,ExceptionInfo *exception)
3628 {
3629  Image
3630  *image;
3631 
3632  assert(image_info != (const ImageInfo *) NULL);
3633  assert(image_info->signature == MagickCoreSignature);
3634  assert(images != (Image *) NULL);
3635  assert(images->signature == MagickCoreSignature);
3636  if (images->debug != MagickFalse)
3637  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3638  image=images;
3639  for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
3640  (void) SyncImageSettings(image_info,image,exception);
3641  (void) DeleteImageOption(image_info,"page");
3642  return(MagickTrue);
3643 }
3644 
3647 {
3648  const char
3649  *option;
3650 
3651  GeometryInfo
3652  geometry_info;
3653 
3655  flags;
3656 
3658  units;
3659 
3660  /*
3661  Sync image options.
3662  */
3663  assert(image_info != (const ImageInfo *) NULL);
3664  assert(image_info->signature == MagickCoreSignature);
3665  assert(image != (Image *) NULL);
3666  assert(image->signature == MagickCoreSignature);
3667  if (image->debug != MagickFalse)
3668  (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3669  option=GetImageOption(image_info,"alpha-color");
3670  if (option != (const char *) NULL)
3671  (void) QueryColorCompliance(option,AllCompliance,&image->alpha_color,
3672  exception);
3673  option=GetImageOption(image_info,"background");
3674  if (option != (const char *) NULL)
3675  (void) QueryColorCompliance(option,AllCompliance,&image->background_color,
3676  exception);
3677  option=GetImageOption(image_info,"black-point-compensation");
3678  if (option != (const char *) NULL)
3681  option=GetImageOption(image_info,"blue-primary");
3682  if (option != (const char *) NULL)
3683  {
3684  flags=ParseGeometry(option,&geometry_info);
3685  image->chromaticity.blue_primary.x=geometry_info.rho;
3686  image->chromaticity.blue_primary.y=geometry_info.sigma;
3687  if ((flags & SigmaValue) == 0)
3689  }
3690  option=GetImageOption(image_info,"bordercolor");
3691  if (option != (const char *) NULL)
3692  (void) QueryColorCompliance(option,AllCompliance,&image->border_color,
3693  exception);
3694  /* FUTURE: do not sync compose to per-image compose setting here */
3695  option=GetImageOption(image_info,"compose");
3696  if (option != (const char *) NULL)
3698  MagickFalse,option);
3699  /* -- */
3700  option=GetImageOption(image_info,"compress");
3701  if (option != (const char *) NULL)
3704  option=GetImageOption(image_info,"debug");
3705  if (option != (const char *) NULL)
3707  MagickFalse,option);
3708  option=GetImageOption(image_info,"density");
3709  if (option != (const char *) NULL)
3710  {
3711  GeometryInfo
3712  geometry_info;
3713 
3714  flags=ParseGeometry(option,&geometry_info);
3715  image->resolution.x=geometry_info.rho;
3716  image->resolution.y=geometry_info.sigma;
3717  if ((flags & SigmaValue) == 0)
3718  image->resolution.y=image->resolution.x;
3719  }
3720  option=GetImageOption(image_info,"depth");
3721  if (option != (const char *) NULL)
3722  image->depth=StringToUnsignedLong(option);
3723  option=GetImageOption(image_info,"endian");
3724  if (option != (const char *) NULL)
3726  MagickFalse,option);
3727  option=GetImageOption(image_info,"filter");
3728  if (option != (const char *) NULL)
3730  MagickFalse,option);
3731  option=GetImageOption(image_info,"fuzz");
3732  if (option != (const char *) NULL)
3733  image->fuzz=StringToDoubleInterval(option,(double) QuantumRange+1.0);
3734  option=GetImageOption(image_info,"gravity");
3735  if (option != (const char *) NULL)
3737  MagickFalse,option);
3738  option=GetImageOption(image_info,"green-primary");
3739  if (option != (const char *) NULL)
3740  {
3741  flags=ParseGeometry(option,&geometry_info);
3742  image->chromaticity.green_primary.x=geometry_info.rho;
3743  image->chromaticity.green_primary.y=geometry_info.sigma;
3744  if ((flags & SigmaValue) == 0)
3746  }
3747  option=GetImageOption(image_info,"intent");
3748  if (option != (const char *) NULL)
3751  option=GetImageOption(image_info,"intensity");
3752  if (option != (const char *) NULL)
3755  option=GetImageOption(image_info,"interlace");
3756  if (option != (const char *) NULL)
3758  MagickFalse,option);
3759  option=GetImageOption(image_info,"interpolate");
3760  if (option != (const char *) NULL)
3763  option=GetImageOption(image_info,"loop");
3764  if (option != (const char *) NULL)
3765  image->iterations=StringToUnsignedLong(option);
3766  option=GetImageOption(image_info,"orient");
3767  if (option != (const char *) NULL)
3770  option=GetImageOption(image_info,"page");
3771  if (option != (const char *) NULL)
3772  {
3773  char
3774  *geometry;
3775 
3776  geometry=GetPageGeometry(option);
3777  flags=ParseAbsoluteGeometry(geometry,&image->page);
3778  geometry=DestroyString(geometry);
3779  }
3780  option=GetImageOption(image_info,"quality");
3781  if (option != (const char *) NULL)
3782  image->quality=StringToUnsignedLong(option);
3783  option=GetImageOption(image_info,"red-primary");
3784  if (option != (const char *) NULL)
3785  {
3786  flags=ParseGeometry(option,&geometry_info);
3787  image->chromaticity.red_primary.x=geometry_info.rho;
3788  image->chromaticity.red_primary.y=geometry_info.sigma;
3789  if ((flags & SigmaValue) == 0)
3791  }
3792  if (image_info->quality != UndefinedCompressionQuality)
3793  image->quality=image_info->quality;
3794  option=GetImageOption(image_info,"scene");
3795  if (option != (const char *) NULL)
3796  image->scene=StringToUnsignedLong(option);
3797  option=GetImageOption(image_info,"taint");
3798  if (option != (const char *) NULL)
3800  MagickFalse,option);
3801  option=GetImageOption(image_info,"tile-offset");
3802  if (option != (const char *) NULL)
3803  {
3804  char
3805  *geometry;
3806 
3807  geometry=GetPageGeometry(option);
3808  flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
3809  geometry=DestroyString(geometry);
3810  }
3811  option=GetImageOption(image_info,"transparent-color");
3812  if (option != (const char *) NULL)
3814  exception);
3815  option=GetImageOption(image_info,"type");
3816  if (option != (const char *) NULL)
3818  option);
3819  option=GetImageOption(image_info,"units");
3820  units=image_info->units;
3821  if (option != (const char *) NULL)
3823  MagickFalse,option);
3824  if (units != UndefinedResolution)
3825  {
3826  if (image->units != units)
3827  switch (image->units)
3828  {
3830  {
3831  if (units == PixelsPerCentimeterResolution)
3832  {
3833  image->resolution.x/=2.54;
3834  image->resolution.y/=2.54;
3835  }
3836  break;
3837  }
3839  {
3840  if (units == PixelsPerInchResolution)
3841  {
3842  image->resolution.x=(double) ((size_t) (100.0*2.54*
3843  image->resolution.x+0.5))/100.0;
3844  image->resolution.y=(double) ((size_t) (100.0*2.54*
3845  image->resolution.y+0.5))/100.0;
3846  }
3847  break;
3848  }
3849  default:
3850  break;
3851  }
3852  image->units=units;
3853  }
3854  option=GetImageOption(image_info,"virtual-pixel");
3855  if (option != (const char *) NULL)
3858  exception);
3859  option=GetImageOption(image_info,"white-point");
3860  if (option != (const char *) NULL)
3861  {
3862  flags=ParseGeometry(option,&geometry_info);
3863  image->chromaticity.white_point.x=geometry_info.rho;
3864  image->chromaticity.white_point.y=geometry_info.sigma;
3865  if ((flags & SigmaValue) == 0)
3867  }
3868  /*
3869  Pointer to allow the lookup of pre-image artifact will fallback to a global
3870  option setting/define. This saves a lot of duplication of global options
3871  into per-image artifacts, while ensuring only specifically set per-image
3872  artifacts are preserved when parenthesis ends.
3873  */
3874  if (image->image_info != (ImageInfo *) NULL)
3875  image->image_info=DestroyImageInfo(image->image_info);
3876  image->image_info=CloneImageInfo(image_info);
3877  return(MagickTrue);
3878 }
MagickExport Image * GetImageMask(const Image *image, const PixelMask type, ExceptionInfo *exception)
Definition: image.c:1423
size_t rows
Definition: image.h:175
#define magick_restrict
Definition: MagickCore.h:41
MagickExport FILE * GetImageInfoFile(const ImageInfo *image_info)
Definition: image.c:1393
MagickPrivate Cache DestroyPixelCache(Cache)
MagickExport MagickBooleanType GetMagickUseExtension(const MagickInfo *magick_info)
Definition: magick.c:935
MagickExport MagickBooleanType NegateImage(Image *image, const MagickBooleanType grayscale, ExceptionInfo *exception)
Definition: enhance.c:3426
PixelIntensityMethod intensity
Definition: image.h:225
MagickExport CacheView * DestroyCacheView(CacheView *cache_view)
Definition: cache-view.c:252
#define TransparentAlpha
Definition: image.h:29
EndianType endian
Definition: image.h:395
double fuzz
Definition: pixel.h:179
size_t signature
Definition: image.h:479
static MagickBooleanType SetImageProgress(const Image *image, const char *tag, const MagickOffsetType offset, const MagickSizeType extent)
struct _Image * list
Definition: image.h:351
const char DefaultTileGeometry[]
Definition: image.c:111
PixelInfo * colormap
Definition: image.h:182
MagickExport ImageInfo * AcquireImageInfo(void)
Definition: image.c:341
InterlaceType interlace
Definition: image.h:228
MagickExport void DestroyImagePixels(Image *image)
Definition: cache.c:810
DisposeType dispose
Definition: image.h:240
Ascii85Info * ascii85
Definition: image.h:312
char magick[MagickPathExtent]
Definition: image.h:471
MagickProgressMonitor progress_monitor
Definition: image.h:306
MagickExport PixelChannelMap * AcquirePixelChannelMap(void)
Definition: pixel.c:93
char * scenes
Definition: image.h:381
ImageType type
Definition: image.h:267
size_t iterations
Definition: image.h:251
MagickExport ExceptionType CatchImageException(Image *image)
Definition: image.c:641
MagickExport MagickBooleanType SyncImage(Image *image, ExceptionInfo *exception)
Definition: image.c:3526
ssize_t ticks_per_second
Definition: image.h:248
static void SetPixelBackgoundColor(const Image *magick_restrict image, Quantum *magick_restrict pixel)
static Quantum GetPixelAlpha(const Image *magick_restrict image, const Quantum *magick_restrict pixel)
FilterType
Definition: resample.h:32
MagickExport Image * ReferenceImage(Image *image)
Definition: image.c:2107
FilterType filter
Definition: image.h:222
MagickExport MagickBooleanType DeleteImageOption(ImageInfo *image_info, const char *option)
Definition: option.c:1911
PixelTrait alpha_trait
Definition: pixel.h:176
MagickExport void UnlockSemaphoreInfo(SemaphoreInfo *semaphore_info)
Definition: semaphore.c:449
MagickExport void Ascii85Initialize(Image *image)
Definition: compress.c:264
double pointsize
Definition: image.h:411
const char LoadImageTag[]
Definition: image.c:114
ssize_t y
Definition: geometry.h:115
static unsigned long StringToUnsignedLong(const char *magick_restrict value)
const char TransparentColor[]
Definition: image.c:120
MagickExport ssize_t ParseCommandOption(const CommandOption option, const MagickBooleanType list, const char *options)
Definition: option.c:2647
const char SaveImageTag[]
Definition: image.c:118
OrientationType
Definition: image.h:79
MagickBooleanType ping
Definition: image.h:276
char * extract
Definition: image.h:381
PixelInfo border_color
Definition: image.h:182
PixelInterpolateMethod
Definition: pixel.h:108
#define ThrowFatalException(severity, tag)
PixelInterpolateMethod interpolate
Definition: image.h:258
double x
Definition: image.h:102
size_t signature
Definition: exception.h:123
#define SmushImageTag
MagickExport Image * NewMagickImage(const ImageInfo *image_info, const size_t width, const size_t height, const PixelInfo *background, ExceptionInfo *exception)
Definition: image.c:2020
size_t number_scenes
Definition: image.h:387
char * sampling_factor
Definition: image.h:404
const char ForegroundColor[]
Definition: image.c:113
double rho
Definition: geometry.h:105
MagickExport MagickStatusType ParseAbsoluteGeometry(const char *geometry, RectangleInfo *region_info)
Definition: geometry.c:686
MagickExport const char * GetMagicName(const MagicInfo *magic_info)
Definition: magic.c:663
EndianType endian
Definition: image.h:231
MagickBooleanType taint
Definition: image.h:172
MagickExport size_t ConcatenateMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:411
PixelIntensityMethod
Definition: pixel.h:94
MagickBooleanType debug
Definition: image.h:476
MagickExport SemaphoreInfo * AcquireSemaphoreInfo(void)
Definition: semaphore.c:191
MagickExport MagickBooleanType SyncImageSettings(const ImageInfo *image_info, Image *image, ExceptionInfo *exception)
Definition: image.c:3645
static void SetPixelGray(const Image *magick_restrict image, const Quantum gray, Quantum *magick_restrict pixel)
char * font
Definition: image.h:404
MagickExport MagickBooleanType SetImageArtifact(Image *image, const char *artifact, const char *value)
Definition: artifact.c:449
MagickExport const DelegateInfo * GetDelegateInfo(const char *decode, const char *encode, ExceptionInfo *exception)
Definition: delegate.c:1160
MagickPrivate MagickBooleanType SyncImagePixelCache(Image *, ExceptionInfo *)
Definition: cache.c:5155
InterlaceType
Definition: image.h:67
VirtualPixelMethod
Definition: cache-view.h:27
const char BorderColor[]
Definition: image.c:109
ColorspaceType colorspace
Definition: image.h:427
MagickExport const char * GetImageArtifact(const Image *image, const char *artifact)
Definition: artifact.c:273
MagickPrivate Cache ReferencePixelCache(Cache)
Definition: cache.c:4467
char * module
Definition: magick.h:61
double z
Definition: image.h:102
MagickBooleanType antialias
Definition: image.h:375
char * name
Definition: magick.h:61
MagickExport MagickBooleanType SetImageAlpha(Image *image, const Quantum alpha, ExceptionInfo *exception)
Definition: image.c:3054
MagickBooleanType read_mask
Definition: image.h:279
const char PSDensityGeometry[]
Definition: image.c:116
PixelInfo transparent_color
Definition: image.h:415
static PixelTrait GetPixelChannelTraits(const Image *magick_restrict image, const PixelChannel channel)
MagickPrivate MagickBooleanType IsMagickConflict(const char *)
MagickExport ExceptionInfo * AcquireExceptionInfo(void)
Definition: exception.c:107
MagickExport void DestroyImageProfiles(Image *image)
Definition: profile.c:218
MagickExport ssize_t FormatLocaleString(char *magick_restrict string, const size_t length, const char *magick_restrict format,...)
Definition: locale.c:474
static void SetPixelViaPixelInfo(const Image *magick_restrict image, const PixelInfo *magick_restrict pixel_info, Quantum *magick_restrict pixel)
static Quantum GetPixelReadMask(const Image *magick_restrict image, const Quantum *magick_restrict pixel)
MagickExport void SetImageInfoBlob(ImageInfo *image_info, const void *blob, const size_t length)
Definition: image.c:2859
ResolutionType units
Definition: image.h:201
size_t delay
Definition: image.h:243
float_t MagickRealType
Definition: magick-type.h:63
char magick[MagickPathExtent]
Definition: image.h:322
size_t magick_rows
Definition: image.h:327
#define MAGICKCORE_QUANTUM_DEPTH
Definition: magick-type.h:28
MagickExport MagickBooleanType ImageToFile(Image *image, char *filename, ExceptionInfo *exception)
Definition: blob.c:1653
MagickExport const Quantum * GetCacheViewVirtualPixels(const CacheView *cache_view, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
Definition: cache-view.c:651
MagickBooleanType verbose
Definition: image.h:436
PixelInfo alpha_color
Definition: image.h:182
MagickExport const char * GetImageOption(const ImageInfo *image_info, const char *option)
Definition: option.c:1986
MagickExport char * GetPageGeometry(const char *page_geometry)
Definition: geometry.c:349
MagickPrivate VirtualPixelMethod GetPixelCacheVirtualMethod(const Image *)
Image * image
Definition: image-view.c:66
MagickFormatType format_type
Definition: magick.h:81
char * montage
Definition: image.h:204
CompressionType compression
Definition: image.h:163
double sigma
Definition: geometry.h:105
InterlaceType interlace
Definition: image.h:392
ClassType storage_class
Definition: image.h:157
MagickExport MagickBooleanType CompositeImage(Image *image, const Image *composite, const CompositeOperator compose, const MagickBooleanType clip_to_self, const ssize_t x_offset, const ssize_t y_offset, ExceptionInfo *exception)
Definition: composite.c:515
size_t width
Definition: geometry.h:129
MagickExport BlobInfo * CloneBlobInfo(const BlobInfo *)
RectangleInfo tile_offset
Definition: image.h:264
MagickPrivate Cache ClonePixelCache(const Cache)
#define ThrowBinaryException(severity, tag, context)
Definition: log.h:52
ssize_t MagickOffsetType
Definition: magick-type.h:116
MagickExport void GetPixelInfo(const Image *image, PixelInfo *pixel)
Definition: pixel.c:2162
MagickExport void DestroyImageOptions(ImageInfo *image_info)
Definition: option.c:1947
EndianType
Definition: quantum.h:28
char * size
Definition: image.h:381
MagickExport void SetImageInfoFile(ImageInfo *image_info, FILE *file)
Definition: image.c:2895
Definition: image.h:154
void * cache
Definition: image.h:455
MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
Definition: image.c:1565
ExceptionType
Definition: exception.h:27
ImageType type
Definition: image.h:433
const char SaveImagesTag[]
Definition: image.c:119
StreamHandler stream
Definition: image.h:459
size_t number_meta_channels
Definition: image.h:286
double x
Definition: geometry.h:122
#define MagickCoreSignature
MagickExport void LockSemaphoreInfo(SemaphoreInfo *semaphore_info)
Definition: semaphore.c:292
MagickExport Quantum * GetCacheViewAuthenticPixels(CacheView *cache_view, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
Definition: cache-view.c:299
MagickExport MagickBooleanType CloneImageProperties(Image *image, const Image *clone_image)
Definition: property.c:134
MagickExport MagickBooleanType SetImageMask(Image *image, const PixelMask type, const Image *mask, ExceptionInfo *exception)
Definition: image.c:2935
#define UndefinedTicksPerSecond
Definition: image-private.h:35
MagickExport MagickBooleanType IsGeometry(const char *geometry)
Definition: geometry.c:593
MagickExport Image * BlobToImage(const ImageInfo *image_info, const void *blob, const size_t length, ExceptionInfo *exception)
Definition: blob.c:319
const double DefaultResolution
Definition: image.c:123
static ssize_t SmushXGap(const Image *smush_image, const Image *images, const ssize_t offset, ExceptionInfo *exception)
Definition: image.c:3180
MagickExport void GetPathComponent(const char *path, PathType type, char *component)
Definition: utility.c:1198
ChannelType channel
Definition: image.h:440
MagickBooleanType
Definition: magick-type.h:145
MagickExport PixelChannelMap * ClonePixelChannelMap(PixelChannelMap *channel_map)
Definition: pixel.c:133
MagickPrivate void ClonePixelCacheMethods(Cache, const Cache)
MagickExport Image * NewImageList(void)
Definition: list.c:916
PrimaryInfo red_primary
Definition: image.h:128
size_t scene
Definition: image.h:243
unsigned int MagickStatusType
Definition: magick-type.h:108
MagickExport char * AcquireString(const char *source)
Definition: string.c:123
ClassType
Definition: magick-type.h:138
ExceptionInfo * exception
Definition: image-view.c:72
const char PSPageGeometry[]
Definition: image.c:117
MagickBooleanType black_point_compensation
Definition: image.h:261
MagickExport MagickBooleanType IsImageObject(const Image *image)
Definition: image.c:1876
MagickExport void * ResetMagickMemory(void *memory, int byte, const size_t size)
Definition: memory.c:1128
size_t length
Definition: image.h:468
struct _ImageInfo * image_info
Definition: image.h:345
MagickExport StringInfo * DestroyStringInfo(StringInfo *string_info)
Definition: string.c:840
static Quantum GetPixelWriteMask(const Image *magick_restrict image, const Quantum *magick_restrict pixel)
MagickExport void * AcquireQuantumMemory(const size_t count, const size_t quantum)
Definition: memory.c:525
char filename[MagickPathExtent]
Definition: image.h:471
MagickExport MagickBooleanType CloneImageProfiles(Image *image, const Image *clone_image)
Definition: profile.c:141
MagickExport int LocaleNCompare(const char *p, const char *q, const size_t length)
Definition: locale.c:1514
double y
Definition: geometry.h:122
void * blob
Definition: image.h:465
const char BackgroundColor[]
Definition: image.c:108
MagickExport ssize_t ReadBlob(Image *, const size_t, void *)
const char AlphaColor[]
Definition: image.c:107
MagickExport MagickBooleanType ClipImagePath(Image *image, const char *pathname, const MagickBooleanType inside, ExceptionInfo *exception)
Definition: image.c:698
double fuzz
Definition: image.h:411
ChannelType channel_mask
Definition: image.h:291
GravityType gravity
Definition: image.h:234
MagickExport MagickBooleanType CloseBlob(Image *)
volatile ssize_t reference_count
Definition: image.h:340
size_t scene
Definition: image.h:387
RectangleInfo page
Definition: image.h:215
MagickExport void DestroyImageProperties(Image *image)
Definition: property.c:314
size_t magick_columns
Definition: image.h:327
#define UndefinedCompressionQuality
Definition: image-private.h:36
size_t MagickSizeType
Definition: magick-type.h:117
#define MagickPathExtent
void * cache
Definition: image.h:297
ResolutionType units
Definition: image.h:398
MagickExport PixelChannelMap * DestroyPixelChannelMap(PixelChannelMap *channel_map)
Definition: pixel.c:351
const char LoadImagesTag[]
Definition: image.c:115
MagickExport MagickBooleanType IsStringTrue(const char *value)
Definition: string.c:1455
static void GetPixelInfoPixel(const Image *magick_restrict image, const Quantum *magick_restrict pixel, PixelInfo *magick_restrict pixel_info)
MagickExport MagickBooleanType IsEventLogging(void)
Definition: log.c:686
CompressionType compression
Definition: image.h:369
PixelInfo alpha_color
Definition: image.h:415
const char DefaultTileLabel[]
Definition: image.c:112
PrimaryInfo blue_primary
Definition: image.h:128
#define ThrowFileException(exception, severity, tag, context)
OrientationType orientation
Definition: image.h:372
PixelTrait alpha_trait
Definition: image.h:283
MagickExport void AcquireNextImage(const ImageInfo *image_info, Image *image, ExceptionInfo *exception)
Definition: image.c:384
MagickExport ChannelType SetPixelChannelMask(Image *image, const ChannelType channel_mask)
Definition: pixel.c:6252
static Quantum GetPixelIndex(const Image *magick_restrict image, const Quantum *magick_restrict pixel)
MagickExport void DisassociateBlob(Image *)
MagickExport void SetBlobExempt(Image *image, const MagickBooleanType exempt)
Definition: blob.c:4058
MagickExport ChannelType SetImageChannelMask(Image *image, const ChannelType channel_mask)
Definition: image.c:2296
MagickBooleanType monochrome
Definition: image.h:423
MagickExport Quantum * QueueCacheViewAuthenticPixels(CacheView *cache_view, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
Definition: cache-view.c:977
MagickBooleanType LogMagickEvent(const LogEventType type, const char *module, const char *function, const size_t line, const char *format,...)
Definition: log.c:1378
MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info, const unsigned int frames, ExceptionInfo *exception)
Definition: image.c:2494
MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(Image *image, const VirtualPixelMethod virtual_pixel_method, ExceptionInfo *exception)
Definition: image.c:3135
GravityType
Definition: geometry.h:76
char magick_filename[MagickPathExtent]
Definition: image.h:322
struct _Image * previous
Definition: image.h:351
MagickBooleanType dither
Definition: image.h:270
MagickExport MagickBooleanType ThrowMagickException(ExceptionInfo *exception, const char *module, const char *function, const size_t line, const ExceptionType severity, const char *tag, const char *format,...)
Definition: exception.c:1061
MagickExport MagickOffsetType SeekBlob(Image *, const MagickOffsetType, const int)
MagickExport MagickBooleanType SetImageBackgroundColor(Image *image, ExceptionInfo *exception)
Definition: image.c:2215
size_t signature
Definition: image.h:357
size_t columns
Definition: image.h:175
MagickExport const MagickInfo * GetMagickInfo(const char *name, ExceptionInfo *exception)
Definition: magick.c:529
MagickExport Image * SmushImages(const Image *images, const MagickBooleanType stack, const ssize_t offset, ExceptionInfo *exception)
Definition: image.c:3322
MagickExport MagickBooleanType SetImageColor(Image *image, const PixelInfo *color, ExceptionInfo *exception)
Definition: image.c:2329
MagickExport Image * AcquireImage(const ImageInfo *image_info, ExceptionInfo *exception)
Definition: image.c:152
MagickExport MagickBooleanType OpenBlob(const ImageInfo *, Image *, const BlobMode, ExceptionInfo *)
MagickExport MagickBooleanType GetMagickAdjoin(const MagickInfo *magick_info)
Definition: magick.c:337
MagickBooleanType(* MagickProgressMonitor)(const char *, const MagickOffsetType, const MagickSizeType, void *)
Definition: monitor.h:26
ssize_t x
Definition: geometry.h:133
static Quantum PushColormapIndex(Image *image, const Quantum index, MagickBooleanType *range_exception)
Definition: image.c:3517
MagickExport char * GetEnvironmentValue(const char *name)
Definition: string.c:1241
SemaphoreInfo * semaphore
Definition: image.h:343
struct _Image * next
Definition: image.h:351
size_t height
Definition: geometry.h:129
const char DefaultTileFrame[]
Definition: image.c:110
MagickExport MagickBooleanType QueryColorCompliance(const char *name, const ComplianceType compliance, PixelInfo *color, ExceptionInfo *exception)
Definition: color.c:2213
ChannelType
Definition: pixel.h:33
MagickExport MagickBooleanType SetImageStorageClass(Image *image, const ClassType storage_class, ExceptionInfo *exception)
Definition: image.c:2412
MagickExport void CatchException(ExceptionInfo *exception)
Definition: exception.c:197
static void SetPixelWriteMask(const Image *magick_restrict image, const Quantum mask, Quantum *magick_restrict pixel)
MagickExport size_t CopyMagickString(char *destination, const char *source, const size_t length)
Definition: string.c:743
ssize_t offset
Definition: image.h:209
RectangleInfo extract_info
Definition: image.h:215
MagickExport MagickBooleanType ResetImagePage(Image *image, const char *page)
Definition: image.c:2143
MagickExport MagickBooleanType GetMagickEndianSupport(const MagickInfo *magick_info)
Definition: magick.c:494
MagickExport size_t InterpretImageFilename(const ImageInfo *image_info, Image *image, const char *format, int value, char *filename, ExceptionInfo *exception)
Definition: image.c:1609
PixelChannel
Definition: pixel.h:66
MagickExport MagickBooleanType IsBlobSeekable(const Image *image)
Definition: blob.c:2091
MagickExport MagickBooleanType CopyImagePixels(Image *image, const Image *source_image, const RectangleInfo *geometry, const OffsetInfo *offset, ExceptionInfo *exception)
Definition: image.c:1037
char * texture
Definition: image.h:404
MagickExport MagickBooleanType SetImageExtent(Image *image, const size_t columns, const size_t rows, ExceptionInfo *exception)
Definition: image.c:2448
RenderingIntent
Definition: profile.h:30
double y
Definition: image.h:102
size_t quality
Definition: image.h:166
size_t colors
Definition: image.h:175
size_t depth
Definition: pixel.h:182
TimerInfo timer
Definition: image.h:303
MagickExport MagickBooleanType SyncImagesSettings(ImageInfo *image_info, Image *images, ExceptionInfo *exception)
Definition: image.c:3626
static size_t GetPixelChannels(const Image *magick_restrict image)
MagickExport int LocaleCompare(const char *p, const char *q)
Definition: locale.c:1414
PixelInfo border_color
Definition: image.h:415
DisposeType
Definition: layer.h:27
char filename[MagickPathExtent]
Definition: image.h:322
#define GetMagickModule()
Definition: log.h:28
PrimaryInfo green_primary
Definition: image.h:128
MagickFormatType
Definition: magick.h:28
MagickExport void GetTimerInfo(TimerInfo *time_info)
Definition: timer.c:262
size_t quality
Definition: image.h:401
MagickBooleanType affirm
Definition: image.h:375
MagickExport void ConformPixelInfo(Image *image, const PixelInfo *source, PixelInfo *destination, ExceptionInfo *exception)
Definition: pixel.c:213
#define ThrowImageException(severity, tag)
static Quantum ClampToQuantum(const MagickRealType value)
Definition: quantum.h:84
static PixelChannel GetPixelChannelChannel(const Image *magick_restrict image, const ssize_t offset)
MagickExport CacheView * AcquireVirtualCacheView(const Image *image, ExceptionInfo *exception)
Definition: cache-view.c:149
PrimaryInfo white_point
Definition: image.h:128
void * client_data
Definition: image.h:455
char * density
Definition: image.h:404
char unique[MagickPathExtent]
Definition: image.h:471
static double StringToDoubleInterval(const char *string, const double interval)
MagickExport ImageInfo * DestroyImageInfo(ImageInfo *image_info)
Definition: image.c:1238
CompressionType
Definition: compress.h:25
RenderingIntent rendering_intent
Definition: image.h:195
MagickExport Image * AppendImages(const Image *images, const MagickBooleanType stack, ExceptionInfo *exception)
Definition: image.c:441
MagickExport MagickBooleanType IsTaintImage(const Image *image)
Definition: image.c:1913
MagickExport MagickBooleanType CloneImageOptions(ImageInfo *image_info, const ImageInfo *clone_info)
Definition: option.c:1814
MagickBooleanType synchronize
Definition: image.h:449
unsigned short Quantum
Definition: magick-type.h:70
MagickExport MagickBooleanType SetImageColorspace(Image *image, const ColorspaceType colorspace, ExceptionInfo *exception)
Definition: colorspace.c:1075
char * server_name
Definition: image.h:404
MagickExport void DestroyImageArtifacts(Image *image)
Definition: artifact.c:233
MagickExport Image * GetNextImageInList(const Image *images)
Definition: list.c:752
MagickExport char * DestroyString(char *string)
Definition: string.c:813
MagickExport void * AcquireMagickMemory(const size_t size)
Definition: memory.c:454
char * geometry
Definition: image.h:204
MagickExport MagickBooleanType DeleteImageProperty(Image *image, const char *property)
Definition: property.c:279
MagickExport const char * GetImageProperty(const Image *image, const char *property, ExceptionInfo *exception)
Definition: property.c:2169
MagickExport MagickBooleanType ModifyImage(Image **image, ExceptionInfo *exception)
Definition: image.c:1966
MagickPrivate VirtualPixelMethod SetPixelCacheVirtualMethod(Image *, const VirtualPixelMethod, ExceptionInfo *)
Definition: cache.c:4863
MagickExport MagickBooleanType IsBlobExempt(const Image *image)
Definition: blob.c:2060
MagickExport MagickBooleanType StripImage(Image *image, ExceptionInfo *exception)
Definition: image.c:3473
MagickExport ImageInfo * CloneImageInfo(const ImageInfo *image_info)
Definition: image.c:939
size_t number_channels
Definition: image.h:286
#define CopyImageTag
time_t timestamp
Definition: image.h:334
MagickExport MagickStatusType ParseGeometry(const char *geometry, GeometryInfo *geometry_info)
Definition: geometry.c:836
static void SetPixelChannel(const Image *magick_restrict image, const PixelChannel channel, const Quantum quantum, Quantum *magick_restrict pixel)
MagickBooleanType dither
Definition: image.h:423
char * directory
Definition: image.h:204
ChromaticityInfo chromaticity
Definition: image.h:192
BlobInfo * blob
Definition: image.h:331
FILE * file
Definition: image.h:462
static void SetPixelAlpha(const Image *magick_restrict image, const Quantum alpha, Quantum *magick_restrict pixel)
size_t metacontent_extent
Definition: image.h:286
MagickExport void SetGeometry(const Image *image, RectangleInfo *geometry)
Definition: geometry.c:1571
ssize_t x
Definition: geometry.h:115
MagickExport const MagicInfo * GetMagicInfo(const unsigned char *magic, const size_t length, ExceptionInfo *exception)
Definition: magic.c:364
MagickExport void GetImageInfo(ImageInfo *image_info)
Definition: image.c:1331
MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image, ExceptionInfo *exception)
Definition: image.c:1772
MagickExport void * RelinquishMagickMemory(void *memory)
Definition: memory.c:997
PointInfo resolution
Definition: image.h:212
MagickExport size_t GetMagicPatternExtent(ExceptionInfo *exception)
Definition: magic.c:422
MagickExport MagickBooleanType ClipImage(Image *image, ExceptionInfo *exception)
Definition: image.c:693
ImageType
Definition: image.h:51
MagickExport void GravityAdjustGeometry(const size_t width, const size_t height, const GravityType gravity, RectangleInfo *region)
Definition: geometry.c:514
MagickExport char * CloneString(char **destination, const char *source)
Definition: string.c:271
#define Swap(x, y)
Definition: studio.h:339
MagickExport BlobInfo * ReferenceBlob(BlobInfo *)
Definition: blob.c:3893
MagickExport MagickBooleanType CloneImageArtifacts(Image *image, const Image *clone_image)
Definition: artifact.c:102
CompositeOperator compose
Definition: image.h:237
CompositeOperator
Definition: composite.h:25
ResolutionType
Definition: image.h:92
#define MagickExport
MagickExport MagickBooleanType SyncCacheViewAuthenticPixels(CacheView *magick_restrict cache_view, ExceptionInfo *exception)
Definition: cache-view.c:1100
OrientationType orientation
Definition: image.h:169
MagickProgressMonitor progress_monitor
Definition: image.h:452
double fuzz
Definition: image.h:219
ssize_t y
Definition: geometry.h:133
MagickExport CacheView * AcquireAuthenticCacheView(const Image *image, ExceptionInfo *exception)
Definition: cache-view.c:112
MagickExport void DestroyBlob(Image *image)
Definition: blob.c:628
ColorspaceType colorspace
Definition: pixel.h:173
static ssize_t SmushYGap(const Image *smush_image, const Image *images, const ssize_t offset, ExceptionInfo *exception)
Definition: image.c:3251
MagickBooleanType adjoin
Definition: image.h:375
PixelMask
Definition: pixel.h:125
char * page
Definition: image.h:381
MagickBooleanType ping
Definition: image.h:436
PixelTrait
Definition: pixel.h:132
MagickExport MagickBooleanType IsSceneGeometry(const char *geometry, const MagickBooleanType pedantic)
Definition: geometry.c:634
PixelInfo transparent_color
Definition: image.h:182
#define AppendImageTag
MagickBooleanType write_mask
Definition: image.h:279
MagickExport MagickRealType GetPixelIntensity(const Image *magick_restrict image, const Quantum *magick_restrict pixel)
Definition: pixel.c:2357
PixelInfo background_color
Definition: image.h:182
MagickExport void RelinquishSemaphoreInfo(SemaphoreInfo **semaphore_info)
Definition: semaphore.c:350
MagickSizeType QuantumAny
Definition: magick-type.h:131
void * client_data
Definition: image.h:309
MagickExport void LocaleUpper(char *string)
Definition: locale.c:1572
MagickExport Image * DestroyImage(Image *image)
Definition: image.c:1167
static void SetPixelReadMask(const Image *magick_restrict image, const Quantum mask, Quantum *magick_restrict pixel)
MagickExport Image * CloneImage(const Image *image, const size_t columns, const size_t rows, const MagickBooleanType detach, ExceptionInfo *exception)
Definition: image.c:794
MagickExport void * CopyMagickMemory(void *destination, const void *source, const size_t size)
Definition: memory.c:680
MagickExport ssize_t GetImageReferenceCount(Image *image)
Definition: image.c:1526
double gamma
Definition: image.h:189
PixelInfo background_color
Definition: image.h:415
ColorspaceType colorspace
Definition: image.h:160
MagickExport StringInfo * CloneStringInfo(const StringInfo *string_info)
Definition: string.c:323
MagickExport void DisassociateImageStream(Image *image)
Definition: image.c:1300
#define QuantumRange
Definition: magick-type.h:71
MagickBooleanType temporary
Definition: image.h:375
PixelChannelMap * channel_map
Definition: image.h:294
MagickBooleanType debug
Definition: image.h:337
size_t depth
Definition: image.h:387
void * profile
Definition: image.h:446
MagickPrivate Cache AcquirePixelCache(const size_t)
MagickExport ExceptionInfo * DestroyExceptionInfo(ExceptionInfo *exception)
Definition: exception.c:420
size_t depth
Definition: image.h:175
ExceptionType severity
Definition: exception.h:104