2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 % IIIII M M AAA GGGG EEEEE %
8 % I M M M AAAAA G GG EEE %
10 % IIIII M M A A GGGG EEEEE %
13 % MagickCore Image Methods %
20 % Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
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. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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"
48 #include "MagickCore/blob-private.h"
49 #include "MagickCore/cache.h"
50 #include "MagickCore/cache-private.h"
51 #include "MagickCore/cache-view.h"
52 #include "MagickCore/client.h"
53 #include "MagickCore/color.h"
54 #include "MagickCore/color-private.h"
55 #include "MagickCore/colormap.h"
56 #include "MagickCore/colorspace.h"
57 #include "MagickCore/colorspace-private.h"
58 #include "MagickCore/composite.h"
59 #include "MagickCore/composite-private.h"
60 #include "MagickCore/compress.h"
61 #include "MagickCore/constitute.h"
62 #include "MagickCore/display.h"
63 #include "MagickCore/draw.h"
64 #include "MagickCore/enhance.h"
65 #include "MagickCore/exception.h"
66 #include "MagickCore/exception-private.h"
67 #include "MagickCore/gem.h"
68 #include "MagickCore/geometry.h"
69 #include "MagickCore/histogram.h"
70 #include "MagickCore/image-private.h"
71 #include "MagickCore/list.h"
72 #include "MagickCore/magic.h"
73 #include "MagickCore/magick.h"
74 #include "MagickCore/magick-private.h"
75 #include "MagickCore/memory_.h"
76 #include "MagickCore/module.h"
77 #include "MagickCore/monitor.h"
78 #include "MagickCore/monitor-private.h"
79 #include "MagickCore/option.h"
80 #include "MagickCore/paint.h"
81 #include "MagickCore/pixel-accessor.h"
82 #include "MagickCore/profile.h"
83 #include "MagickCore/property.h"
84 #include "MagickCore/quantize.h"
85 #include "MagickCore/random_.h"
86 #include "MagickCore/segment.h"
87 #include "MagickCore/semaphore.h"
88 #include "MagickCore/signature-private.h"
89 #include "MagickCore/statistic.h"
90 #include "MagickCore/string_.h"
91 #include "MagickCore/string-private.h"
92 #include "MagickCore/thread-private.h"
93 #include "MagickCore/threshold.h"
94 #include "MagickCore/timer.h"
95 #include "MagickCore/utility.h"
96 #include "MagickCore/utility-private.h"
97 #include "MagickCore/version.h"
98 #include "MagickCore/xwindow-private.h"
101 Constant declaration.
104 BackgroundColor[] = "#ffffff", /* white */
105 BorderColor[] = "#dfdfdf", /* gray */
106 DefaultTileFrame[] = "15x15+3+3",
107 DefaultTileGeometry[] = "120x120+4+3>",
108 DefaultTileLabel[] = "%f\n%G\n%b",
109 ForegroundColor[] = "#000", /* black */
110 LoadImageTag[] = "Load/Image",
111 LoadImagesTag[] = "Load/Images",
112 MatteColor[] = "#bdbdbd", /* gray */
113 PSDensityGeometry[] = "72.0x72.0",
114 PSPageGeometry[] = "612x792",
115 SaveImageTag[] = "Save/Image",
116 SaveImagesTag[] = "Save/Images",
117 TransparentColor[] = "#00000000"; /* transparent black */
120 DefaultResolution = 72.0;
123 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
127 % A c q u i r e I m a g e %
131 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
133 % AcquireImage() returns a pointer to an image structure initialized to
136 % The format of the AcquireImage method is:
138 % Image *AcquireImage(const ImageInfo *image_info,ExceptionInfo *exception)
140 % A description of each parameter follows:
142 % o image_info: Many of the image default values are set from this
143 % structure. For example, filename, compression, depth, background color,
146 % o exception: return any errors or warnings in this structure.
149 MagickExport Image *AcquireImage(const ImageInfo *image_info,
150 ExceptionInfo *exception)
162 Allocate image structure.
164 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
165 image=(Image *) AcquireMagickMemory(sizeof(*image));
166 if (image == (Image *) NULL)
167 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
168 (void) ResetMagickMemory(image,0,sizeof(*image));
170 Initialize Image structure.
172 (void) CopyMagickString(image->magick,"MIFF",MaxTextExtent);
173 image->storage_class=DirectClass;
174 image->depth=MAGICKCORE_QUANTUM_DEPTH;
175 image->colorspace=RGBColorspace;
176 image->interlace=NoInterlace;
177 image->ticks_per_second=UndefinedTicksPerSecond;
178 image->compose=OverCompositeOp;
180 GetExceptionInfo(&image->exception);
181 (void) QueryColorCompliance(BackgroundColor,AllCompliance,
182 &image->background_color,exception);
183 (void) QueryColorCompliance(BorderColor,AllCompliance,&image->border_color,
185 (void) QueryColorCompliance(MatteColor,AllCompliance,&image->matte_color,
187 (void) QueryColorCompliance(TransparentColor,AllCompliance,
188 &image->transparent_color,exception);
189 image->x_resolution=DefaultResolution;
190 image->y_resolution=DefaultResolution;
191 image->units=PixelsPerInchResolution;
192 GetTimerInfo(&image->timer);
193 image->ping=MagickFalse;
194 image->cache=AcquirePixelCache(0);
195 image->channel_mask=DefaultChannels;
196 image->channel_map=AcquirePixelChannelMap();
197 image->blob=CloneBlobInfo((BlobInfo *) NULL);
198 image->debug=IsEventLogging();
199 image->reference_count=1;
200 image->semaphore=AllocateSemaphoreInfo();
201 image->signature=MagickSignature;
202 if (image_info == (ImageInfo *) NULL)
207 SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue :
209 (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
210 (void) CopyMagickString(image->magick_filename,image_info->filename,
212 (void) CopyMagickString(image->magick,image_info->magick,MaxTextExtent);
213 if (image_info->size != (char *) NULL)
215 (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info);
216 image->columns=image->extract_info.width;
217 image->rows=image->extract_info.height;
218 image->offset=image->extract_info.x;
219 image->extract_info.x=0;
220 image->extract_info.y=0;
222 if (image_info->extract != (char *) NULL)
227 flags=ParseAbsoluteGeometry(image_info->extract,&geometry);
228 if (((flags & XValue) != 0) || ((flags & YValue) != 0))
230 image->extract_info=geometry;
231 Swap(image->columns,image->extract_info.width);
232 Swap(image->rows,image->extract_info.height);
235 image->compression=image_info->compression;
236 image->quality=image_info->quality;
237 image->endian=image_info->endian;
238 image->interlace=image_info->interlace;
239 image->units=image_info->units;
240 if (image_info->density != (char *) NULL)
245 flags=ParseGeometry(image_info->density,&geometry_info);
246 image->x_resolution=geometry_info.rho;
247 image->y_resolution=geometry_info.sigma;
248 if ((flags & SigmaValue) == 0)
249 image->y_resolution=image->x_resolution;
251 if (image_info->page != (char *) NULL)
256 image->page=image->extract_info;
257 geometry=GetPageGeometry(image_info->page);
258 (void) ParseAbsoluteGeometry(geometry,&image->page);
259 geometry=DestroyString(geometry);
261 if (image_info->depth != 0)
262 image->depth=image_info->depth;
263 image->dither=image_info->dither;
264 image->background_color=image_info->background_color;
265 image->border_color=image_info->border_color;
266 image->matte_color=image_info->matte_color;
267 image->transparent_color=image_info->transparent_color;
268 image->ping=image_info->ping;
269 image->progress_monitor=image_info->progress_monitor;
270 image->client_data=image_info->client_data;
271 if (image_info->cache != (void *) NULL)
272 ClonePixelCacheMethods(image->cache,image_info->cache);
273 (void) SetImageVirtualPixelMethod(image,image_info->virtual_pixel_method);
274 (void) SyncImageSettings(image_info,image);
275 option=GetImageOption(image_info,"delay");
276 if (option != (const char *) NULL)
281 flags=ParseGeometry(option,&geometry_info);
282 if ((flags & GreaterValue) != 0)
284 if (image->delay > (size_t) floor(geometry_info.rho+0.5))
285 image->delay=(size_t) floor(geometry_info.rho+0.5);
288 if ((flags & LessValue) != 0)
290 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
291 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
294 image->delay=(size_t) floor(geometry_info.rho+0.5);
295 if ((flags & SigmaValue) != 0)
296 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
298 option=GetImageOption(image_info,"dispose");
299 if (option != (const char *) NULL)
300 image->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
306 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
310 % A c q u i r e I m a g e I n f o %
314 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
316 % AcquireImageInfo() allocates the ImageInfo structure.
318 % The format of the AcquireImageInfo method is:
320 % ImageInfo *AcquireImageInfo(void)
323 MagickExport ImageInfo *AcquireImageInfo(void)
328 image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info));
329 if (image_info == (ImageInfo *) NULL)
330 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
331 GetImageInfo(image_info);
336 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
340 % A c q u i r e N e x t I m a g e %
344 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
346 % AcquireNextImage() initializes the next image in a sequence to
347 % default values. The next member of image points to the newly allocated
348 % image. If there is a memory shortage, next is assigned NULL.
350 % The format of the AcquireNextImage method is:
352 % void AcquireNextImage(const ImageInfo *image_info,Image *image,
353 % ExceptionInfo *exception)
355 % A description of each parameter follows:
357 % o image_info: Many of the image default values are set from this
358 % structure. For example, filename, compression, depth, background color,
361 % o image: the image.
363 % o exception: return any errors or warnings in this structure.
366 MagickExport void AcquireNextImage(const ImageInfo *image_info,Image *image,
367 ExceptionInfo *exception)
370 Allocate image structure.
372 assert(image != (Image *) NULL);
373 assert(image->signature == MagickSignature);
374 if (image->debug != MagickFalse)
375 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
376 image->next=AcquireImage(image_info,exception);
377 if (GetNextImageInList(image) == (Image *) NULL)
379 (void) CopyMagickString(GetNextImageInList(image)->filename,image->filename,
381 if (image_info != (ImageInfo *) NULL)
382 (void) CopyMagickString(GetNextImageInList(image)->filename,
383 image_info->filename,MaxTextExtent);
384 DestroyBlob(GetNextImageInList(image));
385 image->next->blob=ReferenceBlob(image->blob);
386 image->next->endian=image->endian;
387 image->next->scene=image->scene+1;
388 image->next->previous=image;
392 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
396 % A p p e n d I m a g e s %
400 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
402 % AppendImages() takes all images from the current image pointer to the end
403 % of the image list and appends them to each other top-to-bottom if the
404 % stack parameter is true, otherwise left-to-right.
406 % The current gravity setting now effects how the image is justified in the
409 % The format of the AppendImages method is:
411 % Image *AppendImages(const Image *images,const MagickBooleanType stack,
412 % ExceptionInfo *exception)
414 % A description of each parameter follows:
416 % o images: the image sequence.
418 % o stack: A value other than 0 stacks the images top-to-bottom.
420 % o exception: return any errors or warnings in this structure.
423 MagickExport Image *AppendImages(const Image *images,
424 const MagickBooleanType stack,ExceptionInfo *exception)
426 #define AppendImageTag "Append/Image"
463 Compute maximum area of appended area.
465 assert(images != (Image *) NULL);
466 assert(images->signature == MagickSignature);
467 if (images->debug != MagickFalse)
468 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
469 assert(exception != (ExceptionInfo *) NULL);
470 assert(exception->signature == MagickSignature);
474 width=image->columns;
476 next=GetNextImageInList(image);
477 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
479 if (next->matte != MagickFalse)
482 if (stack != MagickFalse)
484 if (next->columns > width)
489 width+=next->columns;
490 if (next->rows > height)
496 append_image=CloneImage(image,width,height,MagickTrue,exception);
497 if (append_image == (Image *) NULL)
498 return((Image *) NULL);
499 if (SetImageStorageClass(append_image,DirectClass,exception) == MagickFalse)
501 append_image=DestroyImage(append_image);
502 return((Image *) NULL);
504 append_image->matte=matte;
505 (void) SetImageBackgroundColor(append_image);
509 append_view=AcquireCacheView(append_image);
510 for (n=0; n < (MagickOffsetType) number_images; n++)
512 SetGeometry(append_image,&geometry);
513 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
514 if (stack != MagickFalse)
515 x_offset-=geometry.x;
517 y_offset-=geometry.y;
518 image_view=AcquireCacheView(image);
519 #if defined(MAGICKCORE_OPENMP_SUPPORT)
520 #pragma omp parallel for schedule(dynamic,4) shared(status) omp_throttle(1)
522 for (y=0; y < (ssize_t) image->rows; y++)
527 register const Quantum
536 if (status == MagickFalse)
538 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
539 q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset,
540 image->columns,1,exception);
541 if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
546 for (x=0; x < (ssize_t) image->columns; x++)
551 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
560 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
561 channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
562 append_traits=GetPixelChannelMapTraits(append_image,channel);
563 if ((traits == UndefinedPixelTrait) ||
564 (append_traits == UndefinedPixelTrait))
566 SetPixelChannel(append_image,channel,p[i],q);
568 p+=GetPixelChannels(image);
569 q+=GetPixelChannels(append_image);
571 sync=SyncCacheViewAuthenticPixels(append_view,exception);
572 if (sync == MagickFalse)
575 image_view=DestroyCacheView(image_view);
576 proceed=SetImageProgress(image,AppendImageTag,n,number_images);
577 if (proceed == MagickFalse)
579 if (stack == MagickFalse)
581 x_offset+=(ssize_t) image->columns;
587 y_offset+=(ssize_t) image->rows;
589 image=GetNextImageInList(image);
591 append_view=DestroyCacheView(append_view);
592 if (status == MagickFalse)
593 append_image=DestroyImage(append_image);
594 return(append_image);
598 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
602 % C a t c h I m a g e E x c e p t i o n %
606 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
608 % CatchImageException() returns if no exceptions are found in the image
609 % sequence, otherwise it determines the most severe exception and reports
610 % it as a warning or error depending on the severity.
612 % The format of the CatchImageException method is:
614 % ExceptionType CatchImageException(Image *image)
616 % A description of each parameter follows:
618 % o image: An image sequence.
621 MagickExport ExceptionType CatchImageException(Image *image)
629 assert(image != (const Image *) NULL);
630 assert(image->signature == MagickSignature);
631 if (image->debug != MagickFalse)
632 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
633 exception=AcquireExceptionInfo();
634 GetImageException(image,exception);
635 CatchException(exception);
636 severity=exception->severity;
637 exception=DestroyExceptionInfo(exception);
642 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
646 % C l i p I m a g e P a t h %
650 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
652 % ClipImagePath() sets the image clip mask based any clipping path information
655 % The format of the ClipImagePath method is:
657 % MagickBooleanType ClipImagePath(Image *image,const char *pathname,
658 % const MagickBooleanType inside,ExceptionInfo *exception)
660 % A description of each parameter follows:
662 % o image: the image.
664 % o pathname: name of clipping path resource. If name is preceded by #, use
665 % clipping path numbered by name.
667 % o inside: if non-zero, later operations take effect inside clipping path.
668 % Otherwise later operations take effect outside clipping path.
670 % o exception: return any errors or warnings in this structure.
674 MagickExport MagickBooleanType ClipImage(Image *image,ExceptionInfo *exception)
676 return(ClipImagePath(image,"#1",MagickTrue,exception));
679 MagickExport MagickBooleanType ClipImagePath(Image *image,const char *pathname,
680 const MagickBooleanType inside,ExceptionInfo *exception)
682 #define ClipImagePathTag "ClipPath/Image"
696 assert(image != (const Image *) NULL);
697 assert(image->signature == MagickSignature);
698 if (image->debug != MagickFalse)
699 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
700 assert(pathname != NULL);
701 property=AcquireString(pathname);
702 (void) FormatLocaleString(property,MaxTextExtent,"8BIM:1999,2998:%s",
704 value=GetImageProperty(image,property,exception);
705 property=DestroyString(property);
706 if (value == (const char *) NULL)
708 ThrowFileException(&image->exception,OptionError,"NoClipPathDefined",
712 image_info=AcquireImageInfo();
713 (void) CopyMagickString(image_info->filename,image->filename,MaxTextExtent);
714 (void) ConcatenateMagickString(image_info->filename,pathname,MaxTextExtent);
715 clip_mask=BlobToImage(image_info,value,strlen(value),&image->exception);
716 image_info=DestroyImageInfo(image_info);
717 if (clip_mask == (Image *) NULL)
719 if (clip_mask->storage_class == PseudoClass)
721 (void) SyncImage(clip_mask);
722 if (SetImageStorageClass(clip_mask,DirectClass,&image->exception) == MagickFalse)
725 if (inside == MagickFalse)
726 (void) NegateImage(clip_mask,MagickFalse,&image->exception);
727 (void) FormatLocaleString(clip_mask->magick_filename,MaxTextExtent,
728 "8BIM:1999,2998:%s\nPS",pathname);
729 (void) SetImageClipMask(image,clip_mask,exception);
730 clip_mask=DestroyImage(clip_mask);
735 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
739 % C l o n e I m a g e %
743 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
745 % CloneImage() copies an image and returns the copy as a new image object.
747 % If the specified columns and rows is 0, an exact copy of the image is
748 % returned, otherwise the pixel data is undefined and must be initialized
749 % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On
750 % failure, a NULL image is returned and exception describes the reason for the
753 % The format of the CloneImage method is:
755 % Image *CloneImage(const Image *image,const size_t columns,
756 % const size_t rows,const MagickBooleanType orphan,
757 % ExceptionInfo *exception)
759 % A description of each parameter follows:
761 % o image: the image.
763 % o columns: the number of columns in the cloned image.
765 % o rows: the number of rows in the cloned image.
767 % o detach: With a value other than 0, the cloned image is detached from
768 % its parent I/O stream.
770 % o exception: return any errors or warnings in this structure.
773 MagickExport Image *CloneImage(const Image *image,const size_t columns,
774 const size_t rows,const MagickBooleanType detach,ExceptionInfo *exception)
788 assert(image != (const Image *) NULL);
789 assert(image->signature == MagickSignature);
790 if (image->debug != MagickFalse)
791 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
792 assert(exception != (ExceptionInfo *) NULL);
793 assert(exception->signature == MagickSignature);
794 clone_image=(Image *) AcquireMagickMemory(sizeof(*clone_image));
795 if (clone_image == (Image *) NULL)
796 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
797 (void) ResetMagickMemory(clone_image,0,sizeof(*clone_image));
798 clone_image->signature=MagickSignature;
799 clone_image->storage_class=image->storage_class;
800 clone_image->number_channels=image->number_channels;
801 clone_image->number_meta_channels=image->number_meta_channels;
802 clone_image->metacontent_extent=image->metacontent_extent;
803 clone_image->colorspace=image->colorspace;
804 clone_image->matte=image->matte;
805 clone_image->columns=image->columns;
806 clone_image->rows=image->rows;
807 clone_image->dither=image->dither;
808 if (image->colormap != (PixelInfo *) NULL)
811 Allocate and copy the image colormap.
813 clone_image->colors=image->colors;
814 length=(size_t) image->colors;
815 clone_image->colormap=(PixelInfo *) AcquireQuantumMemory(length,
816 sizeof(*clone_image->colormap));
817 if (clone_image->colormap == (PixelInfo *) NULL)
818 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
819 (void) CopyMagickMemory(clone_image->colormap,image->colormap,length*
820 sizeof(*clone_image->colormap));
822 (void) CloneImageProfiles(clone_image,image);
823 (void) CloneImageProperties(clone_image,image);
824 (void) CloneImageArtifacts(clone_image,image);
825 GetTimerInfo(&clone_image->timer);
826 GetExceptionInfo(&clone_image->exception);
827 InheritException(&clone_image->exception,&image->exception);
828 if (image->ascii85 != (void *) NULL)
829 Ascii85Initialize(clone_image);
830 clone_image->magick_columns=image->magick_columns;
831 clone_image->magick_rows=image->magick_rows;
832 clone_image->type=image->type;
833 clone_image->sync=image->sync;
834 clone_image->channel_mask=image->channel_mask;
835 clone_image->channel_map=ClonePixelChannelMap(image->channel_map);
836 (void) CopyMagickString(clone_image->magick_filename,image->magick_filename,
838 (void) CopyMagickString(clone_image->magick,image->magick,MaxTextExtent);
839 (void) CopyMagickString(clone_image->filename,image->filename,MaxTextExtent);
840 clone_image->progress_monitor=image->progress_monitor;
841 clone_image->client_data=image->client_data;
842 clone_image->reference_count=1;
843 clone_image->next=image->next;
844 clone_image->previous=image->previous;
845 clone_image->list=NewImageList();
846 clone_image->clip_mask=NewImageList();
847 clone_image->mask=NewImageList();
848 if (detach == MagickFalse)
849 clone_image->blob=ReferenceBlob(image->blob);
852 clone_image->next=NewImageList();
853 clone_image->previous=NewImageList();
854 clone_image->blob=CloneBlobInfo((BlobInfo *) NULL);
856 clone_image->ping=image->ping;
857 clone_image->debug=IsEventLogging();
858 clone_image->semaphore=AllocateSemaphoreInfo();
859 if ((columns == 0) && (rows == 0))
861 if (image->montage != (char *) NULL)
862 (void) CloneString(&clone_image->montage,image->montage);
863 if (image->directory != (char *) NULL)
864 (void) CloneString(&clone_image->directory,image->directory);
865 if (image->clip_mask != (Image *) NULL)
866 clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue,
868 if (image->mask != (Image *) NULL)
869 clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception);
870 clone_image->cache=ReferencePixelCache(image->cache);
873 if ((columns == image->columns) && (rows == image->rows))
875 if (image->clip_mask != (Image *) NULL)
876 clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue,
878 if (image->mask != (Image *) NULL)
879 clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception);
881 scale=(MagickRealType) columns/(MagickRealType) image->columns;
882 clone_image->page.width=(size_t) floor(scale*image->page.width+0.5);
883 clone_image->page.x=(ssize_t) ceil(scale*image->page.x-0.5);
884 clone_image->tile_offset.x=(ssize_t) ceil(scale*image->tile_offset.x-0.5);
885 scale=(MagickRealType) rows/(MagickRealType) image->rows;
886 clone_image->page.height=(size_t) floor(scale*image->page.height+0.5);
887 clone_image->page.y=(ssize_t) ceil(scale*image->page.y-0.5);
888 clone_image->tile_offset.y=(ssize_t) ceil(scale*image->tile_offset.y-0.5);
889 clone_image->columns=columns;
890 clone_image->rows=rows;
891 clone_image->cache=ClonePixelCache(image->cache);
896 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
900 % C l o n e I m a g e I n f o %
904 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
906 % CloneImageInfo() makes a copy of the given image info structure. If
907 % NULL is specified, a new image info structure is created initialized to
910 % The format of the CloneImageInfo method is:
912 % ImageInfo *CloneImageInfo(const ImageInfo *image_info)
914 % A description of each parameter follows:
916 % o image_info: the image info.
919 MagickExport ImageInfo *CloneImageInfo(const ImageInfo *image_info)
924 clone_info=AcquireImageInfo();
925 if (image_info == (ImageInfo *) NULL)
927 clone_info->compression=image_info->compression;
928 clone_info->temporary=image_info->temporary;
929 clone_info->adjoin=image_info->adjoin;
930 clone_info->antialias=image_info->antialias;
931 clone_info->scene=image_info->scene;
932 clone_info->number_scenes=image_info->number_scenes;
933 clone_info->depth=image_info->depth;
934 if (image_info->size != (char *) NULL)
935 (void) CloneString(&clone_info->size,image_info->size);
936 if (image_info->extract != (char *) NULL)
937 (void) CloneString(&clone_info->extract,image_info->extract);
938 if (image_info->scenes != (char *) NULL)
939 (void) CloneString(&clone_info->scenes,image_info->scenes);
940 if (image_info->page != (char *) NULL)
941 (void) CloneString(&clone_info->page,image_info->page);
942 clone_info->interlace=image_info->interlace;
943 clone_info->endian=image_info->endian;
944 clone_info->units=image_info->units;
945 clone_info->quality=image_info->quality;
946 if (image_info->sampling_factor != (char *) NULL)
947 (void) CloneString(&clone_info->sampling_factor,
948 image_info->sampling_factor);
949 if (image_info->server_name != (char *) NULL)
950 (void) CloneString(&clone_info->server_name,image_info->server_name);
951 if (image_info->font != (char *) NULL)
952 (void) CloneString(&clone_info->font,image_info->font);
953 if (image_info->texture != (char *) NULL)
954 (void) CloneString(&clone_info->texture,image_info->texture);
955 if (image_info->density != (char *) NULL)
956 (void) CloneString(&clone_info->density,image_info->density);
957 clone_info->pointsize=image_info->pointsize;
958 clone_info->fuzz=image_info->fuzz;
959 clone_info->background_color=image_info->background_color;
960 clone_info->border_color=image_info->border_color;
961 clone_info->matte_color=image_info->matte_color;
962 clone_info->transparent_color=image_info->transparent_color;
963 clone_info->dither=image_info->dither;
964 clone_info->monochrome=image_info->monochrome;
965 clone_info->colorspace=image_info->colorspace;
966 clone_info->type=image_info->type;
967 clone_info->orientation=image_info->orientation;
968 clone_info->preview_type=image_info->preview_type;
969 clone_info->group=image_info->group;
970 clone_info->ping=image_info->ping;
971 clone_info->verbose=image_info->verbose;
972 if (image_info->view != (char *) NULL)
973 (void) CloneString(&clone_info->view,image_info->view);
974 clone_info->progress_monitor=image_info->progress_monitor;
975 clone_info->client_data=image_info->client_data;
976 clone_info->cache=image_info->cache;
977 if (image_info->cache != (void *) NULL)
978 clone_info->cache=ReferencePixelCache(image_info->cache);
979 if (image_info->profile != (void *) NULL)
980 clone_info->profile=(void *) CloneStringInfo((StringInfo *)
981 image_info->profile);
982 SetImageInfoFile(clone_info,image_info->file);
983 SetImageInfoBlob(clone_info,image_info->blob,image_info->length);
984 clone_info->stream=image_info->stream;
985 clone_info->virtual_pixel_method=image_info->virtual_pixel_method;
986 (void) CopyMagickString(clone_info->magick,image_info->magick,MaxTextExtent);
987 (void) CopyMagickString(clone_info->unique,image_info->unique,MaxTextExtent);
988 (void) CopyMagickString(clone_info->zero,image_info->zero,MaxTextExtent);
989 (void) CopyMagickString(clone_info->filename,image_info->filename,
991 clone_info->channel=image_info->channel;
993 (void) CloneImageOptions(clone_info,image_info);
994 clone_info->debug=IsEventLogging();
995 clone_info->signature=image_info->signature;
1000 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1004 % C o m b i n e I m a g e s %
1008 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1010 % CombineImages() combines one or more images into a single image. The
1011 % grayscale value of the pixels of each image in the sequence is assigned in
1012 % order to the specified channels of the combined image. The typical
1013 % ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc.
1015 % The format of the CombineImages method is:
1017 % Image *CombineImages(const Image *image,ExceptionInfo *exception)
1019 % A description of each parameter follows:
1021 % o image: the image.
1023 % o exception: return any errors or warnings in this structure.
1027 static inline size_t MagickMin(const size_t x,const size_t y)
1034 MagickExport Image *CombineImages(const Image *image,ExceptionInfo *exception)
1036 #define CombineImageTag "Combine/Image"
1054 Ensure the image are the same size.
1056 assert(image != (const Image *) NULL);
1057 assert(image->signature == MagickSignature);
1058 if (image->debug != MagickFalse)
1059 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1060 assert(exception != (ExceptionInfo *) NULL);
1061 assert(exception->signature == MagickSignature);
1062 combine_image=CloneImage(image,0,0,MagickTrue,exception);
1063 if (combine_image == (Image *) NULL)
1064 return((Image *) NULL);
1065 if (SetImageStorageClass(combine_image,DirectClass,exception) == MagickFalse)
1067 combine_image=DestroyImage(combine_image);
1068 return((Image *) NULL);
1070 if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
1071 combine_image->matte=MagickTrue;
1077 combine_view=AcquireCacheView(combine_image);
1078 for (y=0; y < (ssize_t) combine_image->rows; y++)
1089 register const Quantum
1098 if (status == MagickFalse)
1100 pixels=GetCacheViewAuthenticPixels(combine_view,0,y,combine_image->columns,
1102 if (pixels == (Quantum *) NULL)
1108 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1120 if (next == (Image *) NULL)
1122 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
1123 channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
1124 combine_traits=GetPixelChannelMapTraits(combine_image,channel);
1125 if ((traits == UndefinedPixelTrait) ||
1126 (combine_traits == UndefinedPixelTrait))
1128 image_view=AcquireCacheView(next);
1129 p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception);
1130 if (p == (const Quantum *) NULL)
1133 for (x=0; x < (ssize_t) combine_image->columns; x++)
1135 if (x < (ssize_t) image->columns)
1138 p+=GetPixelChannels(image);
1140 q+=GetPixelChannels(combine_image);
1142 image_view=DestroyCacheView(image_view);
1143 next=GetNextImageInList(next);
1144 if (SyncCacheViewAuthenticPixels(combine_view,exception) == MagickFalse)
1146 if (image->progress_monitor != (MagickProgressMonitor) NULL)
1151 proceed=SetImageProgress(image,CombineImageTag,progress++,
1152 combine_image->rows);
1153 if (proceed == MagickFalse)
1158 combine_view=DestroyCacheView(combine_view);
1159 if (status == MagickFalse)
1160 combine_image=DestroyImage(combine_image);
1161 return(combine_image);
1165 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1169 % D e s t r o y I m a g e %
1173 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1175 % DestroyImage() dereferences an image, deallocating memory associated with
1176 % the image if the reference count becomes zero.
1178 % The format of the DestroyImage method is:
1180 % Image *DestroyImage(Image *image)
1182 % A description of each parameter follows:
1184 % o image: the image.
1187 MagickExport Image *DestroyImage(Image *image)
1195 assert(image != (Image *) NULL);
1196 assert(image->signature == MagickSignature);
1197 if (image->debug != MagickFalse)
1198 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1199 destroy=MagickFalse;
1200 LockSemaphoreInfo(image->semaphore);
1201 image->reference_count--;
1202 if (image->reference_count == 0)
1204 UnlockSemaphoreInfo(image->semaphore);
1205 if (destroy == MagickFalse)
1206 return((Image *) NULL);
1210 DestroyImagePixels(image);
1211 image->channel_map=DestroyPixelChannelMap(image->channel_map);
1212 if (image->clip_mask != (Image *) NULL)
1213 image->clip_mask=DestroyImage(image->clip_mask);
1214 if (image->mask != (Image *) NULL)
1215 image->mask=DestroyImage(image->mask);
1216 if (image->montage != (char *) NULL)
1217 image->montage=DestroyString(image->montage);
1218 if (image->directory != (char *) NULL)
1219 image->directory=DestroyString(image->directory);
1220 if (image->colormap != (PixelInfo *) NULL)
1221 image->colormap=(PixelInfo *) RelinquishMagickMemory(image->colormap);
1222 if (image->geometry != (char *) NULL)
1223 image->geometry=DestroyString(image->geometry);
1224 DestroyImageProfiles(image);
1225 DestroyImageProperties(image);
1226 DestroyImageArtifacts(image);
1227 if (image->ascii85 != (Ascii85Info*) NULL)
1228 image->ascii85=(Ascii85Info *) RelinquishMagickMemory(image->ascii85);
1230 (void) DestroyExceptionInfo(&image->exception);
1231 if (image->semaphore != (SemaphoreInfo *) NULL)
1232 DestroySemaphoreInfo(&image->semaphore);
1233 image->signature=(~MagickSignature);
1234 image=(Image *) RelinquishMagickMemory(image);
1239 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1243 % D e s t r o y I m a g e I n f o %
1247 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1249 % DestroyImageInfo() deallocates memory associated with an ImageInfo
1252 % The format of the DestroyImageInfo method is:
1254 % ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1256 % A description of each parameter follows:
1258 % o image_info: the image info.
1261 MagickExport ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1263 assert(image_info != (ImageInfo *) NULL);
1264 assert(image_info->signature == MagickSignature);
1265 if (image_info->debug != MagickFalse)
1266 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
1267 image_info->filename);
1268 if (image_info->size != (char *) NULL)
1269 image_info->size=DestroyString(image_info->size);
1270 if (image_info->extract != (char *) NULL)
1271 image_info->extract=DestroyString(image_info->extract);
1272 if (image_info->scenes != (char *) NULL)
1273 image_info->scenes=DestroyString(image_info->scenes);
1274 if (image_info->page != (char *) NULL)
1275 image_info->page=DestroyString(image_info->page);
1276 if (image_info->sampling_factor != (char *) NULL)
1277 image_info->sampling_factor=DestroyString(
1278 image_info->sampling_factor);
1279 if (image_info->server_name != (char *) NULL)
1280 image_info->server_name=DestroyString(
1281 image_info->server_name);
1282 if (image_info->font != (char *) NULL)
1283 image_info->font=DestroyString(image_info->font);
1284 if (image_info->texture != (char *) NULL)
1285 image_info->texture=DestroyString(image_info->texture);
1286 if (image_info->density != (char *) NULL)
1287 image_info->density=DestroyString(image_info->density);
1288 if (image_info->view != (char *) NULL)
1289 image_info->view=DestroyString(image_info->view);
1290 if (image_info->cache != (void *) NULL)
1291 image_info->cache=DestroyPixelCache(image_info->cache);
1292 if (image_info->profile != (StringInfo *) NULL)
1293 image_info->profile=(void *) DestroyStringInfo((StringInfo *)
1294 image_info->profile);
1295 DestroyImageOptions(image_info);
1296 image_info->signature=(~MagickSignature);
1297 image_info=(ImageInfo *) RelinquishMagickMemory(image_info);
1302 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1306 + D i s a s s o c i a t e I m a g e S t r e a m %
1310 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1312 % DisassociateImageStream() disassociates the image stream.
1314 % The format of the DisassociateImageStream method is:
1316 % MagickBooleanType DisassociateImageStream(const Image *image)
1318 % A description of each parameter follows:
1320 % o image: the image.
1323 MagickExport void DisassociateImageStream(Image *image)
1325 assert(image != (const Image *) NULL);
1326 assert(image->signature == MagickSignature);
1327 if (image->debug != MagickFalse)
1328 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1329 (void) DetachBlob(image->blob);
1333 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1337 % G e t I m a g e A l p h a C h a n n e l %
1341 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1343 % GetImageAlphaChannel() returns MagickFalse if the image alpha channel is
1344 % not activated. That is, the image is RGB rather than RGBA or CMYK rather
1347 % The format of the GetImageAlphaChannel method is:
1349 % MagickBooleanType GetImageAlphaChannel(const Image *image)
1351 % A description of each parameter follows:
1353 % o image: the image.
1356 MagickExport MagickBooleanType GetImageAlphaChannel(const Image *image)
1358 assert(image != (const Image *) NULL);
1359 if (image->debug != MagickFalse)
1360 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1361 assert(image->signature == MagickSignature);
1362 return(image->matte);
1366 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1370 % G e t I m a g e C l i p M a s k %
1374 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1376 % GetImageClipMask() returns the clip path associated with the image.
1378 % The format of the GetImageClipMask method is:
1380 % Image *GetImageClipMask(const Image *image,ExceptionInfo *exception)
1382 % A description of each parameter follows:
1384 % o image: the image.
1387 MagickExport Image *GetImageClipMask(const Image *image,
1388 ExceptionInfo *exception)
1390 assert(image != (const Image *) NULL);
1391 if (image->debug != MagickFalse)
1392 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1393 assert(image->signature == MagickSignature);
1394 if (image->clip_mask == (Image *) NULL)
1395 return((Image *) NULL);
1396 return(CloneImage(image->clip_mask,0,0,MagickTrue,exception));
1400 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1404 % G e t I m a g e E x c e p t i o n %
1408 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1410 % GetImageException() traverses an image sequence and returns any
1411 % error more severe than noted by the exception parameter.
1413 % The format of the GetImageException method is:
1415 % void GetImageException(Image *image,ExceptionInfo *exception)
1417 % A description of each parameter follows:
1419 % o image: Specifies a pointer to a list of one or more images.
1421 % o exception: return the highest severity exception.
1424 MagickExport void GetImageException(Image *image,ExceptionInfo *exception)
1429 assert(image != (Image *) NULL);
1430 assert(image->signature == MagickSignature);
1431 if (image->debug != MagickFalse)
1432 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1433 assert(exception != (ExceptionInfo *) NULL);
1434 assert(exception->signature == MagickSignature);
1435 for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
1437 if (next->exception.severity == UndefinedException)
1439 if (next->exception.severity > exception->severity)
1440 InheritException(exception,&next->exception);
1441 next->exception.severity=UndefinedException;
1446 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1450 % G e t I m a g e I n f o %
1454 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1456 % GetImageInfo() initializes image_info to default values.
1458 % The format of the GetImageInfo method is:
1460 % void GetImageInfo(ImageInfo *image_info)
1462 % A description of each parameter follows:
1464 % o image_info: the image info.
1467 MagickExport void GetImageInfo(ImageInfo *image_info)
1476 File and image dimension members.
1478 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1479 assert(image_info != (ImageInfo *) NULL);
1480 (void) ResetMagickMemory(image_info,0,sizeof(*image_info));
1481 image_info->adjoin=MagickTrue;
1482 image_info->interlace=NoInterlace;
1483 image_info->channel=DefaultChannels;
1484 image_info->quality=UndefinedCompressionQuality;
1485 image_info->antialias=MagickTrue;
1486 image_info->dither=MagickTrue;
1487 synchronize=GetEnvironmentValue("MAGICK_SYNCHRONIZE");
1488 if (synchronize != (const char *) NULL)
1489 image_info->synchronize=IsMagickTrue(synchronize);
1490 exception=AcquireExceptionInfo();
1491 (void) QueryColorCompliance(BackgroundColor,AllCompliance,
1492 &image_info->background_color,exception);
1493 (void) QueryColorCompliance(BorderColor,AllCompliance,
1494 &image_info->border_color,exception);
1495 (void) QueryColorCompliance(MatteColor,AllCompliance,&image_info->matte_color,
1497 (void) QueryColorCompliance(TransparentColor,AllCompliance,
1498 &image_info->transparent_color,exception);
1499 exception=DestroyExceptionInfo(exception);
1500 image_info->debug=IsEventLogging();
1501 image_info->signature=MagickSignature;
1505 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1509 % G e t I m a g e I n f o F i l e %
1513 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1515 % GetImageInfoFile() returns the image info file member.
1517 % The format of the GetImageInfoFile method is:
1519 % FILE *GetImageInfoFile(const ImageInfo *image_info)
1521 % A description of each parameter follows:
1523 % o image_info: the image info.
1526 MagickExport FILE *GetImageInfoFile(const ImageInfo *image_info)
1528 return(image_info->file);
1532 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1536 % G e t I m a g e M a s k %
1540 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1542 % GetImageMask() returns the mask associated with the image.
1544 % The format of the GetImageMask method is:
1546 % Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1548 % A description of each parameter follows:
1550 % o image: the image.
1553 MagickExport Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1555 assert(image != (const Image *) NULL);
1556 if (image->debug != MagickFalse)
1557 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1558 assert(image->signature == MagickSignature);
1559 if (image->mask == (Image *) NULL)
1560 return((Image *) NULL);
1561 return(CloneImage(image->mask,0,0,MagickTrue,exception));
1565 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1569 + G e t I m a g e R e f e r e n c e C o u n t %
1573 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1575 % GetImageReferenceCount() returns the image reference count.
1577 % The format of the GetReferenceCount method is:
1579 % ssize_t GetImageReferenceCount(Image *image)
1581 % A description of each parameter follows:
1583 % o image: the image.
1586 MagickExport ssize_t GetImageReferenceCount(Image *image)
1591 assert(image != (Image *) NULL);
1592 assert(image->signature == MagickSignature);
1593 if (image->debug != MagickFalse)
1594 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1595 LockSemaphoreInfo(image->semaphore);
1596 reference_count=image->reference_count;
1597 UnlockSemaphoreInfo(image->semaphore);
1598 return(reference_count);
1602 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1606 % 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 %
1610 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1612 % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the
1613 % image. A virtual pixel is any pixel access that is outside the boundaries
1614 % of the image cache.
1616 % The format of the GetImageVirtualPixelMethod() method is:
1618 % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1620 % A description of each parameter follows:
1622 % o image: the image.
1625 MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1627 assert(image != (Image *) NULL);
1628 assert(image->signature == MagickSignature);
1629 if (image->debug != MagickFalse)
1630 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1631 return(GetPixelCacheVirtualMethod(image));
1635 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1639 % I n t e r p r e t I m a g e F i l e n a m e %
1643 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1645 % InterpretImageFilename() interprets embedded characters in an image filename.
1646 % The filename length is returned.
1648 % The format of the InterpretImageFilename method is:
1650 % size_t InterpretImageFilename(const ImageInfo *image_info,
1651 % Image *image,const char *format,int value,char *filename)
1653 % A description of each parameter follows.
1655 % o image_info: the image info..
1657 % o image: the image.
1659 % o format: A filename describing the format to use to write the numeric
1660 % argument. Only the first numeric format identifier is replaced.
1662 % o value: Numeric value to substitute into format filename.
1664 % o filename: return the formatted filename in this character buffer.
1667 MagickExport size_t InterpretImageFilename(const ImageInfo *image_info,
1668 Image *image,const char *format,int value,char *filename)
1685 canonical=MagickFalse;
1687 (void) CopyMagickString(filename,format,MaxTextExtent);
1688 for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
1701 value=(ssize_t) strtol(q,&q,10);
1713 (void) FormatLocaleString(filename+(p-format),(size_t) (MaxTextExtent-
1714 (p-format)),p,value);
1716 (void) ConcatenateMagickString(filename,q,MaxTextExtent);
1717 canonical=MagickTrue;
1726 pattern[MaxTextExtent];
1743 if (strchr(p,']') == (char *) NULL)
1747 for (i=0; (i < (MaxTextExtent-1L)) && (*r != '\0'); i++)
1758 if (LocaleNCompare(pattern,"filename:",9) != 0)
1760 value=(const char *) NULL;
1761 if ((image_info != (const ImageInfo *) NULL) &&
1762 (image != (const Image *) NULL))
1763 value=GetMagickProperty(image_info,image,pattern,&image->exception);
1765 if (image != (Image *) NULL)
1766 value=GetImageProperty(image,pattern,&image->exception);
1768 if (image_info != (ImageInfo *) NULL)
1769 value=GetImageOption(image_info,pattern);
1770 if (value == (const char *) NULL)
1775 (void) CopyMagickString(filename+(p-format-length),value,(size_t)
1776 (MaxTextExtent-(p-format-length)));
1777 length+=strlen(pattern)-1;
1779 (void) ConcatenateMagickString(filename,r+1,MaxTextExtent);
1780 canonical=MagickTrue;
1790 for (q=filename; *q != '\0'; q++)
1791 if ((*q == '%') && (*(q+1) == '%'))
1793 (void) CopyMagickString(q,q+1,(size_t) (MaxTextExtent-(q-filename)));
1794 canonical=MagickTrue;
1796 if (canonical == MagickFalse)
1797 (void) CopyMagickString(filename,format,MaxTextExtent);
1798 return(strlen(filename));
1802 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1806 % I s H i g h D y n a m i c R a n g e I m a g e %
1810 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1812 % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is
1813 % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16
1816 % The format of the IsHighDynamicRangeImage method is:
1818 % MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1819 % ExceptionInfo *exception)
1821 % A description of each parameter follows:
1823 % o image: the image.
1825 % o exception: return any errors or warnings in this structure.
1828 MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1829 ExceptionInfo *exception)
1831 #if !defined(MAGICKCORE_HDRI_SUPPORT)
1834 return(MagickFalse);
1845 assert(image != (Image *) NULL);
1846 assert(image->signature == MagickSignature);
1847 if (image->debug != MagickFalse)
1848 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1850 image_view=AcquireCacheView(image);
1851 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1852 #pragma omp parallel for schedule(dynamic,4) shared(status)
1854 for (y=0; y < (ssize_t) image->rows; y++)
1859 register const Quantum
1865 if (status == MagickFalse)
1867 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1868 if (p == (const Quantum *) NULL)
1874 for (x=0; x < (ssize_t) image->columns; x++)
1882 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1887 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
1888 if (traits == UndefinedPixelTrait)
1890 pixel=(MagickRealType) p[i];
1891 if ((pixel < 0.0) || (pixel > QuantumRange) ||
1892 (pixel != (QuantumAny) pixel))
1895 p+=GetPixelChannels(image);
1896 if (i < (ssize_t) GetPixelChannels(image))
1899 if (x < (ssize_t) image->columns)
1902 image_view=DestroyCacheView(image_view);
1903 return(status != MagickFalse ? MagickFalse : MagickTrue);
1908 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1912 % I s I m a g e O b j e c t %
1916 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1918 % IsImageObject() returns MagickTrue if the image sequence contains a valid
1919 % set of image objects.
1921 % The format of the IsImageObject method is:
1923 % MagickBooleanType IsImageObject(const Image *image)
1925 % A description of each parameter follows:
1927 % o image: the image.
1930 MagickExport MagickBooleanType IsImageObject(const Image *image)
1932 register const Image
1935 assert(image != (Image *) NULL);
1936 if (image->debug != MagickFalse)
1937 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1938 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1939 if (p->signature != MagickSignature)
1940 return(MagickFalse);
1945 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1949 % I s T a i n t I m a g e %
1953 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1955 % IsTaintImage() returns MagickTrue any pixel in the image has been altered
1956 % since it was first constituted.
1958 % The format of the IsTaintImage method is:
1960 % MagickBooleanType IsTaintImage(const Image *image)
1962 % A description of each parameter follows:
1964 % o image: the image.
1967 MagickExport MagickBooleanType IsTaintImage(const Image *image)
1970 magick[MaxTextExtent],
1971 filename[MaxTextExtent];
1973 register const Image
1976 assert(image != (Image *) NULL);
1977 if (image->debug != MagickFalse)
1978 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1979 assert(image->signature == MagickSignature);
1980 (void) CopyMagickString(magick,image->magick,MaxTextExtent);
1981 (void) CopyMagickString(filename,image->filename,MaxTextExtent);
1982 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1984 if (p->taint != MagickFalse)
1986 if (LocaleCompare(p->magick,magick) != 0)
1988 if (LocaleCompare(p->filename,filename) != 0)
1991 return(MagickFalse);
1995 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1999 % M o d i f y I m a g e %
2003 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2005 % ModifyImage() ensures that there is only a single reference to the image
2006 % to be modified, updating the provided image pointer to point to a clone of
2007 % the original image if necessary.
2009 % The format of the ModifyImage method is:
2011 % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception)
2013 % A description of each parameter follows:
2015 % o image: the image.
2017 % o exception: return any errors or warnings in this structure.
2020 MagickExport MagickBooleanType ModifyImage(Image **image,
2021 ExceptionInfo *exception)
2026 assert(image != (Image **) NULL);
2027 assert(*image != (Image *) NULL);
2028 assert((*image)->signature == MagickSignature);
2029 if ((*image)->debug != MagickFalse)
2030 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename);
2031 if (GetImageReferenceCount(*image) <= 1)
2033 clone_image=CloneImage(*image,0,0,MagickTrue,exception);
2034 LockSemaphoreInfo((*image)->semaphore);
2035 (*image)->reference_count--;
2036 UnlockSemaphoreInfo((*image)->semaphore);
2042 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2046 % N e w M a g i c k I m a g e %
2050 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2052 % NewMagickImage() creates a blank image canvas of the specified size and
2055 % The format of the NewMagickImage method is:
2057 % Image *NewMagickImage(const ImageInfo *image_info,
2058 % const size_t width,const size_t height,const PixelInfo *background,
2059 % ExceptionInfo *exception)
2061 % A description of each parameter follows:
2063 % o image: the image.
2065 % o width: the image width.
2067 % o height: the image height.
2069 % o background: the image color.
2071 % o exception: return any errors or warnings in this structure.
2074 MagickExport Image *NewMagickImage(const ImageInfo *image_info,
2075 const size_t width,const size_t height,const PixelInfo *background,
2076 ExceptionInfo *exception)
2090 assert(image_info != (const ImageInfo *) NULL);
2091 if (image_info->debug != MagickFalse)
2092 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2093 assert(image_info->signature == MagickSignature);
2094 assert(background != (const PixelInfo *) NULL);
2095 image=AcquireImage(image_info,exception);
2096 image->columns=width;
2098 image->colorspace=background->colorspace;
2099 image->matte=background->matte;
2100 image->fuzz=background->fuzz;
2101 image->depth=background->depth;
2103 exception=(&image->exception);
2104 image_view=AcquireCacheView(image);
2105 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2106 #pragma omp parallel for schedule(dynamic,4) shared(status)
2108 for (y=0; y < (ssize_t) image->rows; y++)
2116 if (status == MagickFalse)
2118 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2119 if (q == (Quantum *) NULL)
2124 for (x=0; x < (ssize_t) image->columns; x++)
2126 SetPixelPixelInfo(image,background,q);
2127 q+=GetPixelChannels(image);
2129 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2132 image_view=DestroyCacheView(image_view);
2133 if (status == MagickFalse)
2134 image=DestroyImage(image);
2139 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2143 % R e f e r e n c e I m a g e %
2147 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2149 % ReferenceImage() increments the reference count associated with an image
2150 % returning a pointer to the image.
2152 % The format of the ReferenceImage method is:
2154 % Image *ReferenceImage(Image *image)
2156 % A description of each parameter follows:
2158 % o image: the image.
2161 MagickExport Image *ReferenceImage(Image *image)
2163 assert(image != (Image *) NULL);
2164 if (image->debug != MagickFalse)
2165 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2166 assert(image->signature == MagickSignature);
2167 LockSemaphoreInfo(image->semaphore);
2168 image->reference_count++;
2169 UnlockSemaphoreInfo(image->semaphore);
2174 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2178 % R e s e t I m a g e P a g e %
2182 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2184 % ResetImagePage() resets the image page canvas and position.
2186 % The format of the ResetImagePage method is:
2188 % MagickBooleanType ResetImagePage(Image *image,const char *page)
2190 % A description of each parameter follows:
2192 % o image: the image.
2194 % o page: the relative page specification.
2197 MagickExport MagickBooleanType ResetImagePage(Image *image,const char *page)
2205 assert(image != (Image *) NULL);
2206 assert(image->signature == MagickSignature);
2207 if (image->debug != MagickFalse)
2208 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2209 flags=ParseAbsoluteGeometry(page,&geometry);
2210 if ((flags & WidthValue) != 0)
2212 if ((flags & HeightValue) == 0)
2213 geometry.height=geometry.width;
2214 image->page.width=geometry.width;
2215 image->page.height=geometry.height;
2217 if ((flags & AspectValue) != 0)
2219 if ((flags & XValue) != 0)
2220 image->page.x+=geometry.x;
2221 if ((flags & YValue) != 0)
2222 image->page.y+=geometry.y;
2226 if ((flags & XValue) != 0)
2228 image->page.x=geometry.x;
2229 if ((image->page.width == 0) && (geometry.x > 0))
2230 image->page.width=image->columns+geometry.x;
2232 if ((flags & YValue) != 0)
2234 image->page.y=geometry.y;
2235 if ((image->page.height == 0) && (geometry.y > 0))
2236 image->page.height=image->rows+geometry.y;
2243 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2247 % S e p a r a t e I m a g e C h a n n e l %
2251 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2253 % SeparateImage() separates a channel from the image and returns it as
2254 % a grayscale image. A channel is a particular color component of each pixel
2257 % The format of the SeparateImage method is:
2259 % MagickBooleanType SeparateImage(Image *image,ExceptionInfo *exception)
2261 % A description of each parameter follows:
2263 % o image: the image.
2265 % o exception: return any errors or warnings in this structure.
2268 MagickExport MagickBooleanType SeparateImage(Image *image,
2269 ExceptionInfo *exception)
2271 #define SeparateImageTag "Separate/Image"
2285 assert(image != (Image *) NULL);
2286 assert(image->signature == MagickSignature);
2287 if (image->debug != MagickFalse)
2288 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2289 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2290 return(MagickFalse);
2292 Separate image channels.
2296 image_view=AcquireCacheView(image);
2297 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2298 #pragma omp parallel for schedule(dynamic,4) shared(progress,status)
2300 for (y=0; y < (ssize_t) image->rows; y++)
2308 if (status == MagickFalse)
2310 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2311 if (q == (Quantum *) NULL)
2316 for (x=0; x < (ssize_t) image->columns; x++)
2321 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
2329 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
2330 if (traits == UndefinedPixelTrait)
2332 if ((traits & UpdatePixelTrait) != 0)
2333 for (j=0; j < (ssize_t) GetPixelChannels(image); j++)
2336 q+=GetPixelChannels(image);
2338 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2340 if (image->progress_monitor != (MagickProgressMonitor) NULL)
2345 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2346 #pragma omp critical (MagickCore_SeparateImage)
2348 proceed=SetImageProgress(image,SeparateImageTag,progress++,image->rows);
2349 if (proceed == MagickFalse)
2353 image_view=DestroyCacheView(image_view);
2354 (void) SetImageColorspace(image,RGBColorspace,exception);
2359 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2363 % S e p a r a t e I m a g e s %
2367 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2369 % SeparateImages() returns a separate grayscale image for each channel
2372 % The format of the SeparateImages method is:
2374 % MagickBooleanType SeparateImages(const Image *image,
2375 % ExceptionInfo *exception)
2377 % A description of each parameter follows:
2379 % o image: the image.
2381 % o exception: return any errors or warnings in this structure.
2384 MagickExport Image *SeparateImages(const Image *image,ExceptionInfo *exception)
2396 assert(image != (Image *) NULL);
2397 assert(image->signature == MagickSignature);
2398 if (image->debug != MagickFalse)
2399 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2400 images=NewImageList();
2401 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
2406 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
2407 if (traits == UndefinedPixelTrait)
2409 if ((traits & UpdatePixelTrait) != 0)
2411 separate_image=CloneImage(image,0,0,MagickTrue,exception);
2412 if (separate_image != (Image *) NULL)
2414 channel_mask=SetPixelChannelMask(separate_image,
2415 (ChannelType) (1 << i));
2416 (void) SeparateImage(separate_image,exception);
2417 (void) SetPixelChannelMap(separate_image,channel_mask);
2418 AppendImageToList(&images,separate_image);
2426 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2430 % S e t I m a g e A l p h a C h a n n e l %
2434 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2436 % SetImageAlphaChannel() activates, deactivates, resets, or sets the alpha
2439 % The format of the SetImageAlphaChannel method is:
2441 % MagickBooleanType SetImageAlphaChannel(Image *image,
2442 % const AlphaChannelType alpha_type,ExceptionInfo *exception)
2444 % A description of each parameter follows:
2446 % o image: the image.
2448 % o alpha_type: The alpha channel type: ActivateAlphaChannel,
2449 % CopyAlphaChannel, DeactivateAlphaChannel, ExtractAlphaChannel,
2450 % OpaqueAlphaChannel, SetAlphaChannel, ShapeAlphaChannel, and
2451 % TransparentAlphaChannel.
2453 % o exception: return any errors or warnings in this structure.
2456 MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
2457 const AlphaChannelType alpha_type,ExceptionInfo *exception)
2465 assert(image != (Image *) NULL);
2466 if (image->debug != MagickFalse)
2467 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2468 assert(image->signature == MagickSignature);
2472 case ActivateAlphaChannel:
2474 image->matte=MagickTrue;
2477 case BackgroundAlphaChannel:
2492 Set transparent pixels to background color.
2494 if (image->matte == MagickFalse)
2496 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2498 GetPixelInfo(image,&background);
2499 SetPixelInfoPacket(image,&image->background_color,&background);
2500 if (image->colorspace == CMYKColorspace)
2501 ConvertRGBToCMYK(&background);
2502 SetPacketPixelInfo(image,&background,&pixel);
2503 image_view=AcquireCacheView(image);
2504 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2505 #pragma omp parallel for schedule(dynamic,4) shared(status)
2507 for (y=0; y < (ssize_t) image->rows; y++)
2515 if (status == MagickFalse)
2517 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
2519 if (q == (Quantum *) NULL)
2524 for (x=0; x < (ssize_t) image->columns; x++)
2526 if (GetPixelAlpha(image,q) == TransparentAlpha)
2527 SetPixelPixelInfo(image,&background,q);
2528 q+=GetPixelChannels(image);
2530 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2533 image_view=DestroyCacheView(image_view);
2536 case DeactivateAlphaChannel:
2538 image->matte=MagickFalse;
2541 case ShapeAlphaChannel:
2542 case CopyAlphaChannel:
2545 Special usage case for SeparateImage(): copy grayscale color to
2548 channel_mask=SetPixelChannelMask(image,GrayChannel);
2549 status=SeparateImage(image,exception);
2550 (void) SetPixelChannelMask(image,channel_mask);
2551 image->matte=MagickTrue; /* make sure transparency is now on! */
2552 if (alpha_type == ShapeAlphaChannel)
2558 Reset all color channels to background color.
2560 GetPixelInfo(image,&background);
2561 SetPixelInfoPacket(image,&(image->background_color),&background);
2562 (void) LevelImageColors(image,&background,&background,MagickTrue,
2567 case ExtractAlphaChannel:
2569 channel_mask=SetPixelChannelMask(image,AlphaChannel);
2570 status=SeparateImage(image,exception);
2571 (void) SetPixelChannelMask(image,channel_mask);
2572 image->matte=MagickFalse;
2575 case OpaqueAlphaChannel:
2577 status=SetImageAlpha(image,OpaqueAlpha,exception);
2578 image->matte=MagickTrue;
2581 case TransparentAlphaChannel:
2583 status=SetImageAlpha(image,TransparentAlpha,exception);
2584 image->matte=MagickTrue;
2587 case SetAlphaChannel:
2589 if (image->matte == MagickFalse)
2591 status=SetImageAlpha(image,OpaqueAlpha,exception);
2592 image->matte=MagickTrue;
2596 case UndefinedAlphaChannel:
2599 if (status == MagickFalse)
2601 return(SyncImagePixelCache(image,exception));
2605 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2609 % S e t I m a g e B a c k g r o u n d C o l o r %
2613 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2615 % SetImageBackgroundColor() initializes the image pixels to the image
2616 % background color. The background color is defined by the background_color
2617 % member of the image structure.
2619 % The format of the SetImage method is:
2621 % MagickBooleanType SetImageBackgroundColor(Image *image)
2623 % A description of each parameter follows:
2625 % o image: the image.
2628 MagickExport MagickBooleanType SetImageBackgroundColor(Image *image)
2648 assert(image != (Image *) NULL);
2649 if (image->debug != MagickFalse)
2650 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2651 assert(image->signature == MagickSignature);
2652 exception=(&image->exception);
2653 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2654 return(MagickFalse);
2655 if (image->background_color.alpha != OpaqueAlpha)
2656 image->matte=MagickTrue;
2657 GetPixelInfo(image,&background);
2658 SetPixelInfoPacket(image,&image->background_color,&background);
2659 if (image->colorspace == CMYKColorspace)
2660 ConvertRGBToCMYK(&background);
2661 SetPacketPixelInfo(image,&background,&pixel);
2663 Set image background color.
2667 image_view=AcquireCacheView(image);
2668 for (y=0; y < (ssize_t) image->rows; y++)
2676 if (status == MagickFalse)
2678 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2679 if (q == (Quantum *) NULL)
2684 for (x=0; x < (ssize_t) image->columns; x++)
2686 SetPixelPixelInfo(image,&background,q);
2687 q+=GetPixelChannels(image);
2689 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2692 image_view=DestroyCacheView(image_view);
2697 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2701 % S e t I m a g e C o l o r %
2705 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2707 % SetImageColor() set the entire image canvas to the specified color.
2709 % The format of the SetImageColor method is:
2711 % MagickBooleanType SetImageColor(Image *image,const PixelInfo *color,
2712 % ExeptionInfo *exception)
2714 % A description of each parameter follows:
2716 % o image: the image.
2718 % o background: the image color.
2720 % o exception: return any errors or warnings in this structure.
2723 MagickExport MagickBooleanType SetImageColor(Image *image,
2724 const PixelInfo *color,ExceptionInfo *exception)
2735 assert(image != (Image *) NULL);
2736 if (image->debug != MagickFalse)
2737 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2738 assert(image->signature == MagickSignature);
2739 assert(color != (const PixelInfo *) NULL);
2740 image->colorspace=color->colorspace;
2741 image->matte=color->matte;
2742 image->fuzz=color->fuzz;
2743 image->depth=color->depth;
2745 image_view=AcquireCacheView(image);
2746 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2747 #pragma omp parallel for schedule(dynamic,4) shared(status)
2749 for (y=0; y < (ssize_t) image->rows; y++)
2757 if (status == MagickFalse)
2759 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2760 if (q == (Quantum *) NULL)
2765 for (x=0; x < (ssize_t) image->columns; x++)
2767 SetPixelPixelInfo(image,color,q);
2768 q+=GetPixelChannels(image);
2770 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2773 image_view=DestroyCacheView(image_view);
2778 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2782 % S e t I m a g e S t o r a g e C l a s s %
2786 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2788 % SetImageStorageClass() sets the image class: DirectClass for true color
2789 % images or PseudoClass for colormapped images.
2791 % The format of the SetImageStorageClass method is:
2793 % MagickBooleanType SetImageStorageClass(Image *image,
2794 % const ClassType storage_class,ExceptionInfo *exception)
2796 % A description of each parameter follows:
2798 % o image: the image.
2800 % o storage_class: The image class.
2802 % o exception: return any errors or warnings in this structure.
2805 MagickExport MagickBooleanType SetImageStorageClass(Image *image,
2806 const ClassType storage_class,ExceptionInfo *exception)
2808 image->storage_class=storage_class;
2809 return(SyncImagePixelCache(image,exception));
2813 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2817 % S e t I m a g e C l i p M a s k %
2821 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2823 % SetImageClipMask() associates a clip path with the image. The clip path
2824 % must be the same dimensions as the image. Set any pixel component of
2825 % the clip path to TransparentAlpha to prevent that corresponding image
2826 % pixel component from being updated when SyncAuthenticPixels() is applied.
2828 % The format of the SetImageClipMask method is:
2830 % MagickBooleanType SetImageClipMask(Image *image,const Image *clip_mask,
2831 % ExceptionInfo *exception)
2833 % A description of each parameter follows:
2835 % o image: the image.
2837 % o clip_mask: the image clip path.
2839 % o exception: return any errors or warnings in this structure.
2842 MagickExport MagickBooleanType SetImageClipMask(Image *image,
2843 const Image *clip_mask,ExceptionInfo *exception)
2845 assert(image != (Image *) NULL);
2846 if (image->debug != MagickFalse)
2847 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2848 assert(image->signature == MagickSignature);
2849 if (clip_mask != (const Image *) NULL)
2850 if ((clip_mask->columns != image->columns) ||
2851 (clip_mask->rows != image->rows))
2852 ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename);
2853 if (image->clip_mask != (Image *) NULL)
2854 image->clip_mask=DestroyImage(image->clip_mask);
2855 image->clip_mask=NewImageList();
2856 if (clip_mask == (Image *) NULL)
2858 if (SetImageStorageClass(image,DirectClass,&image->exception) == MagickFalse)
2859 return(MagickFalse);
2860 image->clip_mask=CloneImage(clip_mask,0,0,MagickTrue,&image->exception);
2861 if (image->clip_mask == (Image *) NULL)
2862 return(MagickFalse);
2867 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2871 % S e t I m a g e E x t e n t %
2875 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2877 % SetImageExtent() sets the image size (i.e. columns & rows).
2879 % The format of the SetImageExtent method is:
2881 % MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2882 % const size_t rows,ExceptionInfo *exception)
2884 % A description of each parameter follows:
2886 % o image: the image.
2888 % o columns: The image width in pixels.
2890 % o rows: The image height in pixels.
2892 % o exception: return any errors or warnings in this structure.
2895 MagickExport MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2896 const size_t rows,ExceptionInfo *exception)
2898 if ((columns == 0) || (rows == 0))
2899 return(MagickFalse);
2900 image->columns=columns;
2902 return(SyncImagePixelCache(image,exception));
2906 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2910 + S e t I m a g e I n f o %
2914 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2916 % SetImageInfo() initializes the `magick' field of the ImageInfo structure.
2917 % It is set to a type of image format based on the prefix or suffix of the
2918 % filename. For example, `ps:image' returns PS indicating a Postscript image.
2919 % JPEG is returned for this filename: `image.jpg'. The filename prefix has
2920 % precendence over the suffix. Use an optional index enclosed in brackets
2921 % after a file name to specify a desired scene of a multi-resolution image
2922 % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value
2923 % indicates success.
2925 % The format of the SetImageInfo method is:
2927 % MagickBooleanType SetImageInfo(ImageInfo *image_info,
2928 % const unsigned int frames,ExceptionInfo *exception)
2930 % A description of each parameter follows:
2932 % o image_info: the image info.
2934 % o frames: the number of images you intend to write.
2936 % o exception: return any errors or warnings in this structure.
2939 MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info,
2940 const unsigned int frames,ExceptionInfo *exception)
2943 extension[MaxTextExtent],
2944 filename[MaxTextExtent],
2945 magic[MaxTextExtent],
2947 subimage[MaxTextExtent];
2971 magick[2*MaxTextExtent];
2974 Look for 'image.format' in filename.
2976 assert(image_info != (ImageInfo *) NULL);
2977 assert(image_info->signature == MagickSignature);
2978 if (image_info->debug != MagickFalse)
2979 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2980 image_info->filename);
2984 GetPathComponent(image_info->filename,SubimagePath,subimage);
2985 if (*subimage != '\0')
2988 Look for scene specification (e.g. img0001.pcd[4]).
2990 if (IsSceneGeometry(subimage,MagickFalse) == MagickFalse)
2992 if (IsGeometry(subimage) != MagickFalse)
2993 (void) CloneString(&image_info->extract,subimage);
3001 (void) CloneString(&image_info->scenes,subimage);
3002 image_info->scene=StringToUnsignedLong(image_info->scenes);
3003 image_info->number_scenes=image_info->scene;
3004 p=image_info->scenes;
3005 for (q=(char *) image_info->scenes; *q != '\0'; p++)
3007 while ((isspace((int) ((unsigned char) *p)) != 0) ||
3010 first=(size_t) strtol(p,&q,10);
3012 while (isspace((int) ((unsigned char) *q)) != 0)
3015 last=(size_t) strtol(q+1,&q,10);
3018 if (first < image_info->scene)
3019 image_info->scene=first;
3020 if (last > image_info->number_scenes)
3021 image_info->number_scenes=last;
3024 image_info->number_scenes-=image_info->scene-1;
3029 GetPathComponent(image_info->filename,ExtensionPath,extension);
3030 #if defined(MAGICKCORE_ZLIB_DELEGATE)
3031 if (*extension != '\0')
3032 if ((LocaleCompare(extension,"gz") == 0) ||
3033 (LocaleCompare(extension,"Z") == 0) ||
3034 (LocaleCompare(extension,"wmz") == 0))
3037 path[MaxTextExtent];
3039 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
3040 path[strlen(path)-strlen(extension)-1]='\0';
3041 GetPathComponent(path,ExtensionPath,extension);
3044 #if defined(MAGICKCORE_BZLIB_DELEGATE)
3045 if (*extension != '\0')
3046 if (LocaleCompare(extension,"bz2") == 0)
3049 path[MaxTextExtent];
3051 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
3052 path[strlen(path)-strlen(extension)-1]='\0';
3053 GetPathComponent(path,ExtensionPath,extension);
3056 image_info->affirm=MagickFalse;
3057 sans_exception=AcquireExceptionInfo();
3058 if (*extension != '\0')
3067 *format_type_formats[] =
3090 User specified image format.
3092 (void) CopyMagickString(magic,extension,MaxTextExtent);
3095 Look for explicit image formats.
3097 format_type=UndefinedFormatType;
3099 while ((format_type == UndefinedFormatType) &&
3100 (format_type_formats[i] != (char *) NULL))
3102 if ((*magic == *format_type_formats[i]) &&
3103 (LocaleCompare(magic,format_type_formats[i]) == 0))
3104 format_type=ExplicitFormatType;
3107 magick_info=GetMagickInfo(magic,sans_exception);
3108 if ((magick_info != (const MagickInfo *) NULL) &&
3109 (magick_info->format_type != UndefinedFormatType))
3110 format_type=magick_info->format_type;
3111 if (format_type == UndefinedFormatType)
3112 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3114 if (format_type == ExplicitFormatType)
3116 image_info->affirm=MagickTrue;
3117 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3119 if (LocaleCompare(magic,"RGB") == 0)
3120 image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */
3123 Look for explicit 'format:image' in filename.
3126 GetPathComponent(image_info->filename,MagickPath,magic);
3128 (void) CopyMagickString(magic,image_info->magick,MaxTextExtent);
3132 User specified image format.
3135 if (IsMagickConflict(magic) == MagickFalse)
3137 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3138 if (LocaleCompare(magic,"EPHEMERAL") != 0)
3139 image_info->affirm=MagickTrue;
3141 image_info->temporary=MagickTrue;
3144 magick_info=GetMagickInfo(magic,sans_exception);
3145 sans_exception=DestroyExceptionInfo(sans_exception);
3146 if ((magick_info == (const MagickInfo *) NULL) ||
3147 (GetMagickEndianSupport(magick_info) == MagickFalse))
3148 image_info->endian=UndefinedEndian;
3149 GetPathComponent(image_info->filename,CanonicalPath,filename);
3150 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
3151 if ((image_info->adjoin != MagickFalse) && (frames > 1))
3154 Test for multiple image support (e.g. image%02d.png).
3156 (void) InterpretImageFilename(image_info,(Image *) NULL,
3157 image_info->filename,(int) image_info->scene,filename);
3158 if ((LocaleCompare(filename,image_info->filename) != 0) &&
3159 (strchr(filename,'%') == (char *) NULL))
3160 image_info->adjoin=MagickFalse;
3162 if ((image_info->adjoin != MagickFalse) && (frames > 0))
3165 Some image formats do not support multiple frames per file.
3167 magick_info=GetMagickInfo(magic,exception);
3168 if (magick_info != (const MagickInfo *) NULL)
3169 if (GetMagickAdjoin(magick_info) == MagickFalse)
3170 image_info->adjoin=MagickFalse;
3172 if (image_info->affirm != MagickFalse)
3177 Determine the image format from the first few bytes of the file.
3179 image=AcquireImage(image_info,exception);
3180 (void) CopyMagickString(image->filename,image_info->filename,
3182 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
3183 if (status == MagickFalse)
3185 image=DestroyImage(image);
3186 return(MagickFalse);
3188 if ((IsBlobSeekable(image) == MagickFalse) ||
3189 (IsBlobExempt(image) != MagickFalse))
3192 Copy standard input or pipe to temporary file.
3195 status=ImageToFile(image,filename,exception);
3196 (void) CloseBlob(image);
3197 if (status == MagickFalse)
3199 image=DestroyImage(image);
3200 return(MagickFalse);
3202 SetImageInfoFile(image_info,(FILE *) NULL);
3203 (void) CopyMagickString(image->filename,filename,MaxTextExtent);
3204 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
3205 if (status == MagickFalse)
3207 image=DestroyImage(image);
3208 return(MagickFalse);
3210 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
3211 image_info->temporary=MagickTrue;
3213 (void) ResetMagickMemory(magick,0,sizeof(magick));
3214 count=ReadBlob(image,2*MaxTextExtent,magick);
3215 (void) CloseBlob(image);
3216 image=DestroyImage(image);
3218 Check magic.xml configuration file.
3220 sans_exception=AcquireExceptionInfo();
3221 magic_info=GetMagicInfo(magick,(size_t) count,sans_exception);
3222 if ((magic_info != (const MagicInfo *) NULL) &&
3223 (GetMagicName(magic_info) != (char *) NULL))
3225 (void) CopyMagickString(image_info->magick,GetMagicName(magic_info),
3227 magick_info=GetMagickInfo(image_info->magick,sans_exception);
3228 if ((magick_info == (const MagickInfo *) NULL) ||
3229 (GetMagickEndianSupport(magick_info) == MagickFalse))
3230 image_info->endian=UndefinedEndian;
3231 sans_exception=DestroyExceptionInfo(sans_exception);
3234 magick_info=GetMagickInfo(image_info->magick,sans_exception);
3235 if ((magick_info == (const MagickInfo *) NULL) ||
3236 (GetMagickEndianSupport(magick_info) == MagickFalse))
3237 image_info->endian=UndefinedEndian;
3238 sans_exception=DestroyExceptionInfo(sans_exception);
3244 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3248 % S e t I m a g e I n f o B l o b %
3252 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3254 % SetImageInfoBlob() sets the image info blob member.
3256 % The format of the SetImageInfoBlob method is:
3258 % void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
3259 % const size_t length)
3261 % A description of each parameter follows:
3263 % o image_info: the image info.
3267 % o length: the blob length.
3270 MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
3271 const size_t length)
3273 assert(image_info != (ImageInfo *) NULL);
3274 assert(image_info->signature == MagickSignature);
3275 if (image_info->debug != MagickFalse)
3276 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3277 image_info->filename);
3278 image_info->blob=(void *) blob;
3279 image_info->length=length;
3283 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3287 % S e t I m a g e I n f o F i l e %
3291 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3293 % SetImageInfoFile() sets the image info file member.
3295 % The format of the SetImageInfoFile method is:
3297 % void SetImageInfoFile(ImageInfo *image_info,FILE *file)
3299 % A description of each parameter follows:
3301 % o image_info: the image info.
3306 MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file)
3308 assert(image_info != (ImageInfo *) NULL);
3309 assert(image_info->signature == MagickSignature);
3310 if (image_info->debug != MagickFalse)
3311 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3312 image_info->filename);
3313 image_info->file=file;
3317 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3321 % S e t I m a g e M a s k %
3325 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3327 % SetImageMask() associates a mask with the image. The mask must be the same
3328 % dimensions as the image.
3330 % The format of the SetImageMask method is:
3332 % MagickBooleanType SetImageMask(Image *image,const Image *mask,
3333 % ExceptionInfo *exception)
3335 % A description of each parameter follows:
3337 % o image: the image.
3339 % o mask: the image mask.
3341 % o exception: return any errors or warnings in this structure.
3344 MagickExport MagickBooleanType SetImageMask(Image *image,
3345 const Image *mask,ExceptionInfo *exception)
3347 assert(image != (Image *) NULL);
3348 if (image->debug != MagickFalse)
3349 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3350 assert(image->signature == MagickSignature);
3351 if (mask != (const Image *) NULL)
3352 if ((mask->columns != image->columns) || (mask->rows != image->rows))
3353 ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename);
3354 if (image->mask != (Image *) NULL)
3355 image->mask=DestroyImage(image->mask);
3356 image->mask=NewImageList();
3357 if (mask == (Image *) NULL)
3359 if (SetImageStorageClass(image,DirectClass,&image->exception) == MagickFalse)
3360 return(MagickFalse);
3361 image->mask=CloneImage(mask,0,0,MagickTrue,&image->exception);
3362 if (image->mask == (Image *) NULL)
3363 return(MagickFalse);
3368 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3372 % S e t I m a g e A l p h a %
3376 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3378 % SetImageAlpha() sets the alpha levels of the image.
3380 % The format of the SetImageAlpha method is:
3382 % MagickBooleanType SetImageAlpha(Image *image,const Quantum alpha,
3383 % ExceptionInfo *exception)
3385 % A description of each parameter follows:
3387 % o image: the image.
3389 % o Alpha: the level of transparency: 0 is fully opaque and QuantumRange is
3390 % fully transparent.
3393 MagickExport MagickBooleanType SetImageAlpha(Image *image,const Quantum alpha,
3394 ExceptionInfo *exception)
3405 assert(image != (Image *) NULL);
3406 if (image->debug != MagickFalse)
3407 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3408 assert(image->signature == MagickSignature);
3409 image->matte=alpha != OpaqueAlpha ? MagickTrue : MagickFalse;
3411 image_view=AcquireCacheView(image);
3412 #if defined(MAGICKCORE_OPENMP_SUPPORT)
3413 #pragma omp parallel for schedule(dynamic,4) shared(status)
3415 for (y=0; y < (ssize_t) image->rows; y++)
3423 if (status == MagickFalse)
3425 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
3426 if (q == (Quantum *) NULL)
3431 for (x=0; x < (ssize_t) image->columns; x++)
3433 SetPixelAlpha(image,alpha,q);
3434 q+=GetPixelChannels(image);
3436 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3439 image_view=DestroyCacheView(image_view);
3444 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3448 % S e t I m a g e T y p e %
3452 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3454 % SetImageType() sets the type of image. Choose from these types:
3456 % Bilevel Grayscale GrayscaleMatte
3457 % Palette PaletteMatte TrueColor
3458 % TrueColorMatte ColorSeparation ColorSeparationMatte
3461 % The format of the SetImageType method is:
3463 % MagickBooleanType SetImageType(Image *image,const ImageType type,
3464 % ExceptionInfo *exception)
3466 % A description of each parameter follows:
3468 % o image: the image.
3470 % o type: Image type.
3472 % o exception: return any errors or warnings in this structure.
3475 MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type,
3476 ExceptionInfo *exception)
3490 assert(image != (Image *) NULL);
3491 if (image->debug != MagickFalse)
3492 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3493 assert(image->signature == MagickSignature);
3495 image_info=AcquireImageInfo();
3496 image_info->dither=image->dither;
3497 artifact=GetImageArtifact(image,"dither");
3498 if (artifact != (const char *) NULL)
3499 (void) SetImageOption(image_info,"dither",artifact);
3504 if (IsImageGray(image,&image->exception) == MagickFalse)
3505 status=TransformImageColorspace(image,GRAYColorspace,exception);
3506 if (IsImageMonochrome(image,&image->exception) == MagickFalse)
3508 quantize_info=AcquireQuantizeInfo(image_info);
3509 quantize_info->number_colors=2;
3510 quantize_info->colorspace=GRAYColorspace;
3511 status=QuantizeImage(quantize_info,image,exception);
3512 quantize_info=DestroyQuantizeInfo(quantize_info);
3514 image->matte=MagickFalse;
3519 if (IsImageGray(image,&image->exception) == MagickFalse)
3520 status=TransformImageColorspace(image,GRAYColorspace,exception);
3521 image->matte=MagickFalse;
3524 case GrayscaleMatteType:
3526 if (IsImageGray(image,&image->exception) == MagickFalse)
3527 status=TransformImageColorspace(image,GRAYColorspace,exception);
3528 if (image->matte == MagickFalse)
3529 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3534 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3535 status=TransformImageColorspace(image,RGBColorspace,exception);
3536 if ((image->storage_class == DirectClass) || (image->colors > 256))
3538 quantize_info=AcquireQuantizeInfo(image_info);
3539 quantize_info->number_colors=256;
3540 status=QuantizeImage(quantize_info,image,exception);
3541 quantize_info=DestroyQuantizeInfo(quantize_info);
3543 image->matte=MagickFalse;
3546 case PaletteBilevelMatteType:
3551 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3552 status=TransformImageColorspace(image,RGBColorspace,exception);
3553 if (image->matte == MagickFalse)
3554 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3555 channel_mask=SetPixelChannelMask(image,AlphaChannel);
3556 (void) BilevelImage(image,(double) QuantumRange/2.0,exception);
3557 (void) SetPixelChannelMask(image,channel_mask);
3558 quantize_info=AcquireQuantizeInfo(image_info);
3559 status=QuantizeImage(quantize_info,image,exception);
3560 quantize_info=DestroyQuantizeInfo(quantize_info);
3563 case PaletteMatteType:
3565 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3566 status=TransformImageColorspace(image,RGBColorspace,exception);
3567 if (image->matte == MagickFalse)
3568 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3569 quantize_info=AcquireQuantizeInfo(image_info);
3570 quantize_info->colorspace=TransparentColorspace;
3571 status=QuantizeImage(quantize_info,image,exception);
3572 quantize_info=DestroyQuantizeInfo(quantize_info);
3577 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3578 status=TransformImageColorspace(image,RGBColorspace,exception);
3579 if (image->storage_class != DirectClass)
3580 status=SetImageStorageClass(image,DirectClass,&image->exception);
3581 image->matte=MagickFalse;
3584 case TrueColorMatteType:
3586 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3587 status=TransformImageColorspace(image,RGBColorspace,exception);
3588 if (image->storage_class != DirectClass)
3589 status=SetImageStorageClass(image,DirectClass,&image->exception);
3590 if (image->matte == MagickFalse)
3591 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3594 case ColorSeparationType:
3596 if (image->colorspace != CMYKColorspace)
3598 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3599 status=TransformImageColorspace(image,RGBColorspace,exception);
3600 status=TransformImageColorspace(image,CMYKColorspace,exception);
3602 if (image->storage_class != DirectClass)
3603 status=SetImageStorageClass(image,DirectClass,&image->exception);
3604 image->matte=MagickFalse;
3607 case ColorSeparationMatteType:
3609 if (image->colorspace != CMYKColorspace)
3611 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3612 status=TransformImageColorspace(image,RGBColorspace,exception);
3613 status=TransformImageColorspace(image,CMYKColorspace,exception);
3615 if (image->storage_class != DirectClass)
3616 status=SetImageStorageClass(image,DirectClass,&image->exception);
3617 if (image->matte == MagickFalse)
3618 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3626 image_info=DestroyImageInfo(image_info);
3631 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3635 % 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 %
3639 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3641 % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the
3642 % image and returns the previous setting. A virtual pixel is any pixel access
3643 % that is outside the boundaries of the image cache.
3645 % The format of the SetImageVirtualPixelMethod() method is:
3647 % VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image,
3648 % const VirtualPixelMethod virtual_pixel_method)
3650 % A description of each parameter follows:
3652 % o image: the image.
3654 % o virtual_pixel_method: choose the type of virtual pixel.
3657 MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image,
3658 const VirtualPixelMethod virtual_pixel_method)
3660 assert(image != (const Image *) NULL);
3661 assert(image->signature == MagickSignature);
3662 if (image->debug != MagickFalse)
3663 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3664 return(SetPixelCacheVirtualMethod(image,virtual_pixel_method));
3668 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3672 % S m u s h I m a g e s %
3676 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3678 % SmushImages() takes all images from the current image pointer to the end
3679 % of the image list and smushes them to each other top-to-bottom if the
3680 % stack parameter is true, otherwise left-to-right.
3682 % The current gravity setting now effects how the image is justified in the
3685 % The format of the SmushImages method is:
3687 % Image *SmushImages(const Image *images,const MagickBooleanType stack,
3688 % ExceptionInfo *exception)
3690 % A description of each parameter follows:
3692 % o images: the image sequence.
3694 % o stack: A value other than 0 stacks the images top-to-bottom.
3696 % o offset: minimum distance in pixels between images.
3698 % o exception: return any errors or warnings in this structure.
3702 static ssize_t SmushXGap(const Image *smush_image,const Image *images,
3703 const ssize_t offset,ExceptionInfo *exception)
3717 register const Quantum
3730 if (images->previous == (Image *) NULL)
3733 SetGeometry(smush_image,&right_geometry);
3734 GravityAdjustGeometry(right_image->columns,right_image->rows,
3735 right_image->gravity,&right_geometry);
3736 left_image=images->previous;
3737 SetGeometry(smush_image,&left_geometry);
3738 GravityAdjustGeometry(left_image->columns,left_image->rows,
3739 left_image->gravity,&left_geometry);
3740 gap=right_image->columns;
3741 left_view=AcquireCacheView(left_image);
3742 right_view=AcquireCacheView(right_image);
3743 for (y=0; y < (ssize_t) smush_image->rows; y++)
3745 for (x=(ssize_t) left_image->columns-1; x > 0; x--)
3747 p=GetCacheViewVirtualPixels(left_view,x,left_geometry.y+y,1,1,exception);
3748 if ((p == (const Quantum *) NULL) ||
3749 (GetPixelAlpha(left_image,p) != TransparentAlpha) ||
3750 ((left_image->columns-x-1) >= gap))
3753 i=(ssize_t) left_image->columns-x-1;
3754 for (x=0; x < (ssize_t) right_image->columns; x++)
3756 p=GetCacheViewVirtualPixels(right_view,x,right_geometry.y+y,1,1,
3758 if ((p == (const Quantum *) NULL) ||
3759 (GetPixelAlpha(right_image,p) != TransparentAlpha) ||
3760 ((x+i) >= (ssize_t) gap))
3763 if ((x+i) < (ssize_t) gap)
3766 right_view=DestroyCacheView(right_view);
3767 left_view=DestroyCacheView(left_view);
3768 if (y < (ssize_t) smush_image->rows)
3770 return((ssize_t) gap-offset);
3773 static ssize_t SmushYGap(const Image *smush_image,const Image *images,
3774 const ssize_t offset,ExceptionInfo *exception)
3788 register const Quantum
3801 if (images->previous == (Image *) NULL)
3803 bottom_image=images;
3804 SetGeometry(smush_image,&bottom_geometry);
3805 GravityAdjustGeometry(bottom_image->columns,bottom_image->rows,
3806 bottom_image->gravity,&bottom_geometry);
3807 top_image=images->previous;
3808 SetGeometry(smush_image,&top_geometry);
3809 GravityAdjustGeometry(top_image->columns,top_image->rows,top_image->gravity,
3811 gap=bottom_image->rows;
3812 top_view=AcquireCacheView(top_image);
3813 bottom_view=AcquireCacheView(bottom_image);
3814 for (x=0; x < (ssize_t) smush_image->columns; x++)
3816 for (y=(ssize_t) top_image->rows-1; y > 0; y--)
3818 p=GetCacheViewVirtualPixels(top_view,top_geometry.x+x,y,1,1,exception);
3819 if ((p == (const Quantum *) NULL) ||
3820 (GetPixelAlpha(top_image,p) != TransparentAlpha) ||
3821 ((top_image->rows-y-1) >= gap))
3824 i=(ssize_t) top_image->rows-y-1;
3825 for (y=0; y < (ssize_t) bottom_image->rows; y++)
3827 p=GetCacheViewVirtualPixels(bottom_view,bottom_geometry.x+x,y,1,1,
3829 if ((p == (const Quantum *) NULL) ||
3830 (GetPixelAlpha(bottom_image,p) != TransparentAlpha) ||
3831 ((y+i) >= (ssize_t) gap))
3834 if ((y+i) < (ssize_t) gap)
3837 bottom_view=DestroyCacheView(bottom_view);
3838 top_view=DestroyCacheView(top_view);
3839 if (x < (ssize_t) smush_image->columns)
3841 return((ssize_t) gap-offset);
3844 MagickExport Image *SmushImages(const Image *images,
3845 const MagickBooleanType stack,const ssize_t offset,ExceptionInfo *exception)
3847 #define SmushImageTag "Smush/Image"
3869 register const Image
3882 Compute maximum area of smushed area.
3884 assert(images != (Image *) NULL);
3885 assert(images->signature == MagickSignature);
3886 if (images->debug != MagickFalse)
3887 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3888 assert(exception != (ExceptionInfo *) NULL);
3889 assert(exception->signature == MagickSignature);
3893 width=image->columns;
3895 next=GetNextImageInList(image);
3896 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
3898 if (next->matte != MagickFalse)
3901 if (stack != MagickFalse)
3903 if (next->columns > width)
3904 width=next->columns;
3906 if (next->previous != (Image *) NULL)
3910 width+=next->columns;
3911 if (next->previous != (Image *) NULL)
3913 if (next->rows > height)
3919 smush_image=CloneImage(image,width,height,MagickTrue,exception);
3920 if (smush_image == (Image *) NULL)
3921 return((Image *) NULL);
3922 if (SetImageStorageClass(smush_image,DirectClass,exception) == MagickFalse)
3924 smush_image=DestroyImage(smush_image);
3925 return((Image *) NULL);
3927 smush_image->matte=matte;
3928 (void) SetImageBackgroundColor(smush_image);
3932 smush_view=AcquireCacheView(smush_image);
3933 for (n=0; n < (MagickOffsetType) number_images; n++)
3935 SetGeometry(smush_image,&geometry);
3936 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
3937 if (stack != MagickFalse)
3939 x_offset-=geometry.x;
3940 y_offset-=SmushYGap(smush_image,image,offset,exception);
3944 x_offset-=SmushXGap(smush_image,image,offset,exception);
3945 y_offset-=geometry.y;
3947 status=CompositeImage(smush_image,OverCompositeOp,image,x_offset,y_offset,
3949 proceed=SetImageProgress(image,SmushImageTag,n,number_images);
3950 if (proceed == MagickFalse)
3952 if (stack == MagickFalse)
3954 x_offset+=(ssize_t) image->columns;
3960 y_offset+=(ssize_t) image->rows;
3962 image=GetNextImageInList(image);
3964 if (stack == MagickFalse)
3965 smush_image->columns=(size_t) x_offset;
3967 smush_image->rows=(size_t) y_offset;
3968 smush_view=DestroyCacheView(smush_view);
3969 if (status == MagickFalse)
3970 smush_image=DestroyImage(smush_image);
3971 return(smush_image);
3975 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3979 % S t r i p I m a g e %
3983 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3985 % StripImage() strips an image of all profiles and comments.
3987 % The format of the StripImage method is:
3989 % MagickBooleanType StripImage(Image *image,ExceptionInfo *exception)
3991 % A description of each parameter follows:
3993 % o image: the image.
3995 % o exception: return any errors or warnings in this structure.
3998 MagickExport MagickBooleanType StripImage(Image *image,ExceptionInfo *exception)
4003 assert(image != (Image *) NULL);
4004 if (image->debug != MagickFalse)
4005 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
4007 DestroyImageProfiles(image);
4008 (void) DeleteImageProperty(image,"comment");
4009 (void) DeleteImageProperty(image,"date:create");
4010 (void) DeleteImageProperty(image,"date:modify");
4011 status=SetImageArtifact(image,"png:include-chunk","none,trns,gama");
4016 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4020 + S y n c I m a g e %
4024 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4026 % SyncImage() initializes the red, green, and blue intensities of each pixel
4027 % as defined by the colormap index.
4029 % The format of the SyncImage method is:
4031 % MagickBooleanType SyncImage(Image *image)
4033 % A description of each parameter follows:
4035 % o image: the image.
4039 static inline Quantum PushColormapIndex(Image *image,
4040 const size_t index,MagickBooleanType *range_exception)
4042 if (index < image->colors)
4043 return((Quantum) index);
4044 *range_exception=MagickTrue;
4045 return((Quantum) 0);
4048 MagickExport MagickBooleanType SyncImage(Image *image)
4063 assert(image != (Image *) NULL);
4064 if (image->debug != MagickFalse)
4065 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
4066 assert(image->signature == MagickSignature);
4067 if (image->storage_class == DirectClass)
4068 return(MagickFalse);
4069 range_exception=MagickFalse;
4071 exception=(&image->exception);
4072 image_view=AcquireCacheView(image);
4073 #if defined(MAGICKCORE_OPENMP_SUPPORT)
4074 #pragma omp parallel for schedule(dynamic,4) shared(status)
4076 for (y=0; y < (ssize_t) image->rows; y++)
4087 if (status == MagickFalse)
4089 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
4090 if (q == (Quantum *) NULL)
4095 for (x=0; x < (ssize_t) image->columns; x++)
4097 index=PushColormapIndex(image,(size_t) GetPixelIndex(image,q),
4099 SetPixelPixelInfo(image,image->colormap+(ssize_t) index,q);
4100 q+=GetPixelChannels(image);
4102 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
4105 image_view=DestroyCacheView(image_view);
4106 if (range_exception != MagickFalse)
4107 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4108 CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
4113 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4117 % S y n c I m a g e S e t t i n g s %
4121 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4123 % SyncImageSettings() sync the image info options to the image.
4125 % The format of the SyncImageSettings method is:
4127 % MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
4129 % MagickBooleanType SyncImagesSettings(const ImageInfo *image_info,
4132 % A description of each parameter follows:
4134 % o image_info: the image info.
4136 % o image: the image.
4140 MagickExport MagickBooleanType SyncImagesSettings(ImageInfo *image_info,
4146 assert(image_info != (const ImageInfo *) NULL);
4147 assert(image_info->signature == MagickSignature);
4148 assert(images != (Image *) NULL);
4149 assert(images->signature == MagickSignature);
4150 if (images->debug != MagickFalse)
4151 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
4153 for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
4154 (void) SyncImageSettings(image_info,image);
4155 (void) DeleteImageOption(image_info,"page");
4159 MagickExport MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
4163 property[MaxTextExtent];
4181 assert(image_info != (const ImageInfo *) NULL);
4182 assert(image_info->signature == MagickSignature);
4183 assert(image != (Image *) NULL);
4184 assert(image->signature == MagickSignature);
4185 if (image->debug != MagickFalse)
4186 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4187 option=GetImageOption(image_info,"background");
4188 if (option != (const char *) NULL)
4189 (void) QueryColorCompliance(option,AllCompliance,&image->background_color,
4191 option=GetImageOption(image_info,"bias");
4192 if (option != (const char *) NULL)
4193 image->bias=SiPrefixToDouble(option,QuantumRange);
4194 option=GetImageOption(image_info,"black-point-compensation");
4195 if (option != (const char *) NULL)
4196 image->black_point_compensation=(MagickBooleanType) ParseCommandOption(
4197 MagickBooleanOptions,MagickFalse,option);
4198 option=GetImageOption(image_info,"blue-primary");
4199 if (option != (const char *) NULL)
4201 flags=ParseGeometry(option,&geometry_info);
4202 image->chromaticity.blue_primary.x=geometry_info.rho;
4203 image->chromaticity.blue_primary.y=geometry_info.sigma;
4204 if ((flags & SigmaValue) == 0)
4205 image->chromaticity.blue_primary.y=image->chromaticity.blue_primary.x;
4207 option=GetImageOption(image_info,"bordercolor");
4208 if (option != (const char *) NULL)
4209 (void) QueryColorCompliance(option,AllCompliance,&image->border_color,
4211 option=GetImageOption(image_info,"compose");
4212 if (option != (const char *) NULL)
4213 image->compose=(CompositeOperator) ParseCommandOption(MagickComposeOptions,
4214 MagickFalse,option);
4215 option=GetImageOption(image_info,"compress");
4216 if (option != (const char *) NULL)
4217 image->compression=(CompressionType) ParseCommandOption(
4218 MagickCompressOptions,MagickFalse,option);
4219 option=GetImageOption(image_info,"debug");
4220 if (option != (const char *) NULL)
4221 image->debug=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
4222 MagickFalse,option);
4223 option=GetImageOption(image_info,"density");
4224 if (option != (const char *) NULL)
4229 flags=ParseGeometry(option,&geometry_info);
4230 image->x_resolution=geometry_info.rho;
4231 image->y_resolution=geometry_info.sigma;
4232 if ((flags & SigmaValue) == 0)
4233 image->y_resolution=image->x_resolution;
4235 option=GetImageOption(image_info,"depth");
4236 if (option != (const char *) NULL)
4237 image->depth=StringToUnsignedLong(option);
4238 option=GetImageOption(image_info,"endian");
4239 if (option != (const char *) NULL)
4240 image->endian=(EndianType) ParseCommandOption(MagickEndianOptions,
4241 MagickFalse,option);
4242 option=GetImageOption(image_info,"filter");
4243 if (option != (const char *) NULL)
4244 image->filter=(FilterTypes) ParseCommandOption(MagickFilterOptions,
4245 MagickFalse,option);
4246 option=GetImageOption(image_info,"fuzz");
4247 if (option != (const char *) NULL)
4248 image->fuzz=SiPrefixToDouble(option,(double) QuantumRange+1.0);
4249 option=GetImageOption(image_info,"gravity");
4250 if (option != (const char *) NULL)
4251 image->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
4252 MagickFalse,option);
4253 option=GetImageOption(image_info,"green-primary");
4254 if (option != (const char *) NULL)
4256 flags=ParseGeometry(option,&geometry_info);
4257 image->chromaticity.green_primary.x=geometry_info.rho;
4258 image->chromaticity.green_primary.y=geometry_info.sigma;
4259 if ((flags & SigmaValue) == 0)
4260 image->chromaticity.green_primary.y=image->chromaticity.green_primary.x;
4262 option=GetImageOption(image_info,"intent");
4263 if (option != (const char *) NULL)
4264 image->rendering_intent=(RenderingIntent) ParseCommandOption(
4265 MagickIntentOptions,MagickFalse,option);
4266 option=GetImageOption(image_info,"interlace");
4267 if (option != (const char *) NULL)
4268 image->interlace=(InterlaceType) ParseCommandOption(MagickInterlaceOptions,
4269 MagickFalse,option);
4270 option=GetImageOption(image_info,"interpolate");
4271 if (option != (const char *) NULL)
4272 image->interpolate=(PixelInterpolateMethod) ParseCommandOption(
4273 MagickInterpolateOptions,MagickFalse,option);
4274 option=GetImageOption(image_info,"loop");
4275 if (option != (const char *) NULL)
4276 image->iterations=StringToUnsignedLong(option);
4277 option=GetImageOption(image_info,"mattecolor");
4278 if (option != (const char *) NULL)
4279 (void) QueryColorCompliance(option,AllCompliance,&image->matte_color,
4281 option=GetImageOption(image_info,"orient");
4282 if (option != (const char *) NULL)
4283 image->orientation=(OrientationType) ParseCommandOption(
4284 MagickOrientationOptions,MagickFalse,option);
4285 option=GetImageOption(image_info,"page");
4286 if (option != (const char *) NULL)
4291 geometry=GetPageGeometry(option);
4292 flags=ParseAbsoluteGeometry(geometry,&image->page);
4293 geometry=DestroyString(geometry);
4295 option=GetImageOption(image_info,"quality");
4296 if (option != (const char *) NULL)
4297 image->quality=StringToUnsignedLong(option);
4298 option=GetImageOption(image_info,"red-primary");
4299 if (option != (const char *) NULL)
4301 flags=ParseGeometry(option,&geometry_info);
4302 image->chromaticity.red_primary.x=geometry_info.rho;
4303 image->chromaticity.red_primary.y=geometry_info.sigma;
4304 if ((flags & SigmaValue) == 0)
4305 image->chromaticity.red_primary.y=image->chromaticity.red_primary.x;
4307 if (image_info->quality != UndefinedCompressionQuality)
4308 image->quality=image_info->quality;
4309 option=GetImageOption(image_info,"scene");
4310 if (option != (const char *) NULL)
4311 image->scene=StringToUnsignedLong(option);
4312 option=GetImageOption(image_info,"taint");
4313 if (option != (const char *) NULL)
4314 image->taint=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
4315 MagickFalse,option);
4316 option=GetImageOption(image_info,"tile-offset");
4317 if (option != (const char *) NULL)
4322 geometry=GetPageGeometry(option);
4323 flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
4324 geometry=DestroyString(geometry);
4326 option=GetImageOption(image_info,"transparent-color");
4327 if (option != (const char *) NULL)
4328 (void) QueryColorCompliance(option,AllCompliance,&image->transparent_color,
4330 option=GetImageOption(image_info,"type");
4331 if (option != (const char *) NULL)
4332 image->type=(ImageType) ParseCommandOption(MagickTypeOptions,MagickFalse,
4334 option=GetImageOption(image_info,"units");
4335 if (option != (const char *) NULL)
4336 units=(ResolutionType) ParseCommandOption(MagickResolutionOptions,
4337 MagickFalse,option);
4339 units = image_info->units;
4340 if (units != UndefinedResolution)
4342 if (image->units != units)
4343 switch (image->units)
4345 case PixelsPerInchResolution:
4347 if (units == PixelsPerCentimeterResolution)
4349 image->x_resolution/=2.54;
4350 image->y_resolution/=2.54;
4354 case PixelsPerCentimeterResolution:
4356 if (units == PixelsPerInchResolution)
4358 image->x_resolution=(double) ((size_t) (100.0*2.54*
4359 image->x_resolution+0.5))/100.0;
4360 image->y_resolution=(double) ((size_t) (100.0*2.54*
4361 image->y_resolution+0.5))/100.0;
4370 option=GetImageOption(image_info,"white-point");
4371 if (option != (const char *) NULL)
4373 flags=ParseGeometry(option,&geometry_info);
4374 image->chromaticity.white_point.x=geometry_info.rho;
4375 image->chromaticity.white_point.y=geometry_info.sigma;
4376 if ((flags & SigmaValue) == 0)
4377 image->chromaticity.white_point.y=image->chromaticity.white_point.x;
4379 ResetImageOptionIterator(image_info);
4380 for (option=GetNextImageOption(image_info); option != (const char *) NULL; )
4382 value=GetImageOption(image_info,option);
4383 if (value != (const char *) NULL)
4385 (void) FormatLocaleString(property,MaxTextExtent,"%s",option);
4386 (void) SetImageArtifact(image,property,value);
4388 option=GetNextImageOption(image_info);