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)
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,
147 MagickExport Image *AcquireImage(const ImageInfo *image_info)
159 Allocate image structure.
161 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
162 image=(Image *) AcquireMagickMemory(sizeof(*image));
163 if (image == (Image *) NULL)
164 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
165 (void) ResetMagickMemory(image,0,sizeof(*image));
167 Initialize Image structure.
169 (void) CopyMagickString(image->magick,"MIFF",MaxTextExtent);
170 image->storage_class=DirectClass;
171 image->depth=MAGICKCORE_QUANTUM_DEPTH;
172 image->colorspace=RGBColorspace;
173 image->interlace=NoInterlace;
174 image->ticks_per_second=UndefinedTicksPerSecond;
175 image->compose=OverCompositeOp;
177 GetExceptionInfo(&image->exception);
178 (void) QueryColorDatabase(BackgroundColor,&image->background_color,
180 (void) QueryColorDatabase(BorderColor,&image->border_color,&image->exception);
181 (void) QueryColorDatabase(MatteColor,&image->matte_color,&image->exception);
182 (void) QueryColorDatabase(TransparentColor,&image->transparent_color,
184 image->x_resolution=DefaultResolution;
185 image->y_resolution=DefaultResolution;
186 image->units=PixelsPerInchResolution;
187 GetTimerInfo(&image->timer);
188 image->ping=MagickFalse;
189 image->cache=AcquirePixelCache(0);
190 image->channel_mask=DefaultChannels;
191 image->channel_map=AcquirePixelChannelMap();
192 image->blob=CloneBlobInfo((BlobInfo *) NULL);
193 image->debug=IsEventLogging();
194 image->reference_count=1;
195 image->semaphore=AllocateSemaphoreInfo();
196 image->signature=MagickSignature;
197 if (image_info == (ImageInfo *) NULL)
202 SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue :
204 (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
205 (void) CopyMagickString(image->magick_filename,image_info->filename,
207 (void) CopyMagickString(image->magick,image_info->magick,MaxTextExtent);
208 if (image_info->size != (char *) NULL)
210 (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info);
211 image->columns=image->extract_info.width;
212 image->rows=image->extract_info.height;
213 image->offset=image->extract_info.x;
214 image->extract_info.x=0;
215 image->extract_info.y=0;
217 if (image_info->extract != (char *) NULL)
222 flags=ParseAbsoluteGeometry(image_info->extract,&geometry);
223 if (((flags & XValue) != 0) || ((flags & YValue) != 0))
225 image->extract_info=geometry;
226 Swap(image->columns,image->extract_info.width);
227 Swap(image->rows,image->extract_info.height);
230 image->compression=image_info->compression;
231 image->quality=image_info->quality;
232 image->endian=image_info->endian;
233 image->interlace=image_info->interlace;
234 image->units=image_info->units;
235 if (image_info->density != (char *) NULL)
240 flags=ParseGeometry(image_info->density,&geometry_info);
241 image->x_resolution=geometry_info.rho;
242 image->y_resolution=geometry_info.sigma;
243 if ((flags & SigmaValue) == 0)
244 image->y_resolution=image->x_resolution;
246 if (image_info->page != (char *) NULL)
251 image->page=image->extract_info;
252 geometry=GetPageGeometry(image_info->page);
253 (void) ParseAbsoluteGeometry(geometry,&image->page);
254 geometry=DestroyString(geometry);
256 if (image_info->depth != 0)
257 image->depth=image_info->depth;
258 image->dither=image_info->dither;
259 image->background_color=image_info->background_color;
260 image->border_color=image_info->border_color;
261 image->matte_color=image_info->matte_color;
262 image->transparent_color=image_info->transparent_color;
263 image->ping=image_info->ping;
264 image->progress_monitor=image_info->progress_monitor;
265 image->client_data=image_info->client_data;
266 if (image_info->cache != (void *) NULL)
267 ClonePixelCacheMethods(image->cache,image_info->cache);
268 (void) SetImageVirtualPixelMethod(image,image_info->virtual_pixel_method);
269 (void) SyncImageSettings(image_info,image);
270 option=GetImageOption(image_info,"delay");
271 if (option != (const char *) NULL)
276 flags=ParseGeometry(option,&geometry_info);
277 if ((flags & GreaterValue) != 0)
279 if (image->delay > (size_t) floor(geometry_info.rho+0.5))
280 image->delay=(size_t) floor(geometry_info.rho+0.5);
283 if ((flags & LessValue) != 0)
285 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
286 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
289 image->delay=(size_t) floor(geometry_info.rho+0.5);
290 if ((flags & SigmaValue) != 0)
291 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
293 option=GetImageOption(image_info,"dispose");
294 if (option != (const char *) NULL)
295 image->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
301 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
305 % A c q u i r e I m a g e I n f o %
309 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
311 % AcquireImageInfo() allocates the ImageInfo structure.
313 % The format of the AcquireImageInfo method is:
315 % ImageInfo *AcquireImageInfo(void)
318 MagickExport ImageInfo *AcquireImageInfo(void)
323 image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info));
324 if (image_info == (ImageInfo *) NULL)
325 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
326 GetImageInfo(image_info);
331 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
335 % A c q u i r e N e x t I m a g e %
339 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
341 % AcquireNextImage() initializes the next image in a sequence to
342 % default values. The next member of image points to the newly allocated
343 % image. If there is a memory shortage, next is assigned NULL.
345 % The format of the AcquireNextImage method is:
347 % void AcquireNextImage(const ImageInfo *image_info,Image *image)
349 % A description of each parameter follows:
351 % o image_info: Many of the image default values are set from this
352 % structure. For example, filename, compression, depth, background color,
355 % o image: the image.
358 MagickExport void AcquireNextImage(const ImageInfo *image_info,Image *image)
361 Allocate image structure.
363 assert(image != (Image *) NULL);
364 assert(image->signature == MagickSignature);
365 if (image->debug != MagickFalse)
366 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
367 image->next=AcquireImage(image_info);
368 if (GetNextImageInList(image) == (Image *) NULL)
370 (void) CopyMagickString(GetNextImageInList(image)->filename,image->filename,
372 if (image_info != (ImageInfo *) NULL)
373 (void) CopyMagickString(GetNextImageInList(image)->filename,
374 image_info->filename,MaxTextExtent);
375 DestroyBlob(GetNextImageInList(image));
376 image->next->blob=ReferenceBlob(image->blob);
377 image->next->endian=image->endian;
378 image->next->scene=image->scene+1;
379 image->next->previous=image;
383 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
387 % A p p e n d I m a g e s %
391 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
393 % AppendImages() takes all images from the current image pointer to the end
394 % of the image list and appends them to each other top-to-bottom if the
395 % stack parameter is true, otherwise left-to-right.
397 % The current gravity setting now effects how the image is justified in the
400 % The format of the AppendImages method is:
402 % Image *AppendImages(const Image *images,const MagickBooleanType stack,
403 % ExceptionInfo *exception)
405 % A description of each parameter follows:
407 % o images: the image sequence.
409 % o stack: A value other than 0 stacks the images top-to-bottom.
411 % o exception: return any errors or warnings in this structure.
414 MagickExport Image *AppendImages(const Image *images,
415 const MagickBooleanType stack,ExceptionInfo *exception)
417 #define AppendImageTag "Append/Image"
454 Compute maximum area of appended area.
456 assert(images != (Image *) NULL);
457 assert(images->signature == MagickSignature);
458 if (images->debug != MagickFalse)
459 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
460 assert(exception != (ExceptionInfo *) NULL);
461 assert(exception->signature == MagickSignature);
465 width=image->columns;
467 next=GetNextImageInList(image);
468 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
470 if (next->matte != MagickFalse)
473 if (stack != MagickFalse)
475 if (next->columns > width)
480 width+=next->columns;
481 if (next->rows > height)
487 append_image=CloneImage(image,width,height,MagickTrue,exception);
488 if (append_image == (Image *) NULL)
489 return((Image *) NULL);
490 if (SetImageStorageClass(append_image,DirectClass,exception) == MagickFalse)
492 append_image=DestroyImage(append_image);
493 return((Image *) NULL);
495 append_image->matte=matte;
496 (void) SetImageBackgroundColor(append_image);
500 append_view=AcquireCacheView(append_image);
501 for (n=0; n < (MagickOffsetType) number_images; n++)
503 SetGeometry(append_image,&geometry);
504 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
505 if (stack != MagickFalse)
506 x_offset-=geometry.x;
508 y_offset-=geometry.y;
509 image_view=AcquireCacheView(image);
510 #if defined(MAGICKCORE_OPENMP_SUPPORT)
511 #pragma omp parallel for schedule(dynamic,4) shared(status) omp_throttle(1)
513 for (y=0; y < (ssize_t) image->rows; y++)
518 register const Quantum
527 if (status == MagickFalse)
529 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
530 q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset,
531 image->columns,1,exception);
532 if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
537 for (x=0; x < (ssize_t) image->columns; x++)
542 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
551 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
552 channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
553 append_traits=GetPixelChannelMapTraits(append_image,channel);
554 if ((traits == UndefinedPixelTrait) ||
555 (append_traits == UndefinedPixelTrait))
557 SetPixelChannel(append_image,channel,p[i],q);
559 p+=GetPixelChannels(image);
560 q+=GetPixelChannels(append_image);
562 sync=SyncCacheViewAuthenticPixels(append_view,exception);
563 if (sync == MagickFalse)
566 image_view=DestroyCacheView(image_view);
567 proceed=SetImageProgress(image,AppendImageTag,n,number_images);
568 if (proceed == MagickFalse)
570 if (stack == MagickFalse)
572 x_offset+=(ssize_t) image->columns;
578 y_offset+=(ssize_t) image->rows;
580 image=GetNextImageInList(image);
582 append_view=DestroyCacheView(append_view);
583 if (status == MagickFalse)
584 append_image=DestroyImage(append_image);
585 return(append_image);
589 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
593 % C a t c h I m a g e E x c e p t i o n %
597 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
599 % CatchImageException() returns if no exceptions are found in the image
600 % sequence, otherwise it determines the most severe exception and reports
601 % it as a warning or error depending on the severity.
603 % The format of the CatchImageException method is:
605 % ExceptionType CatchImageException(Image *image)
607 % A description of each parameter follows:
609 % o image: An image sequence.
612 MagickExport ExceptionType CatchImageException(Image *image)
620 assert(image != (const Image *) NULL);
621 assert(image->signature == MagickSignature);
622 if (image->debug != MagickFalse)
623 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
624 exception=AcquireExceptionInfo();
625 GetImageException(image,exception);
626 CatchException(exception);
627 severity=exception->severity;
628 exception=DestroyExceptionInfo(exception);
633 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
637 % C l i p I m a g e P a t h %
641 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
643 % ClipImagePath() sets the image clip mask based any clipping path information
646 % The format of the ClipImagePath method is:
648 % MagickBooleanType ClipImagePath(Image *image,const char *pathname,
649 % const MagickBooleanType inside,ExceptionInfo *exception)
651 % A description of each parameter follows:
653 % o image: the image.
655 % o pathname: name of clipping path resource. If name is preceded by #, use
656 % clipping path numbered by name.
658 % o inside: if non-zero, later operations take effect inside clipping path.
659 % Otherwise later operations take effect outside clipping path.
661 % o exception: return any errors or warnings in this structure.
665 MagickExport MagickBooleanType ClipImage(Image *image,ExceptionInfo *exception)
667 return(ClipImagePath(image,"#1",MagickTrue,exception));
670 MagickExport MagickBooleanType ClipImagePath(Image *image,const char *pathname,
671 const MagickBooleanType inside,ExceptionInfo *exception)
673 #define ClipImagePathTag "ClipPath/Image"
687 assert(image != (const Image *) NULL);
688 assert(image->signature == MagickSignature);
689 if (image->debug != MagickFalse)
690 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
691 assert(pathname != NULL);
692 property=AcquireString(pathname);
693 (void) FormatLocaleString(property,MaxTextExtent,"8BIM:1999,2998:%s",
695 value=GetImageProperty(image,property);
696 property=DestroyString(property);
697 if (value == (const char *) NULL)
699 ThrowFileException(&image->exception,OptionError,"NoClipPathDefined",
703 image_info=AcquireImageInfo();
704 (void) CopyMagickString(image_info->filename,image->filename,MaxTextExtent);
705 (void) ConcatenateMagickString(image_info->filename,pathname,MaxTextExtent);
706 clip_mask=BlobToImage(image_info,value,strlen(value),&image->exception);
707 image_info=DestroyImageInfo(image_info);
708 if (clip_mask == (Image *) NULL)
710 if (clip_mask->storage_class == PseudoClass)
712 (void) SyncImage(clip_mask);
713 if (SetImageStorageClass(clip_mask,DirectClass,&image->exception) == MagickFalse)
716 if (inside == MagickFalse)
717 (void) NegateImage(clip_mask,MagickFalse,&image->exception);
718 (void) FormatLocaleString(clip_mask->magick_filename,MaxTextExtent,
719 "8BIM:1999,2998:%s\nPS",pathname);
720 (void) SetImageClipMask(image,clip_mask,exception);
721 clip_mask=DestroyImage(clip_mask);
726 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
730 % C l o n e I m a g e %
734 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
736 % CloneImage() copies an image and returns the copy as a new image object.
738 % If the specified columns and rows is 0, an exact copy of the image is
739 % returned, otherwise the pixel data is undefined and must be initialized
740 % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On
741 % failure, a NULL image is returned and exception describes the reason for the
744 % The format of the CloneImage method is:
746 % Image *CloneImage(const Image *image,const size_t columns,
747 % const size_t rows,const MagickBooleanType orphan,
748 % ExceptionInfo *exception)
750 % A description of each parameter follows:
752 % o image: the image.
754 % o columns: the number of columns in the cloned image.
756 % o rows: the number of rows in the cloned image.
758 % o detach: With a value other than 0, the cloned image is detached from
759 % its parent I/O stream.
761 % o exception: return any errors or warnings in this structure.
764 MagickExport Image *CloneImage(const Image *image,const size_t columns,
765 const size_t rows,const MagickBooleanType detach,ExceptionInfo *exception)
779 assert(image != (const Image *) NULL);
780 assert(image->signature == MagickSignature);
781 if (image->debug != MagickFalse)
782 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
783 assert(exception != (ExceptionInfo *) NULL);
784 assert(exception->signature == MagickSignature);
785 clone_image=(Image *) AcquireMagickMemory(sizeof(*clone_image));
786 if (clone_image == (Image *) NULL)
787 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
788 (void) ResetMagickMemory(clone_image,0,sizeof(*clone_image));
789 clone_image->signature=MagickSignature;
790 clone_image->storage_class=image->storage_class;
791 clone_image->number_channels=image->number_channels;
792 clone_image->number_meta_channels=image->number_meta_channels;
793 clone_image->metacontent_extent=image->metacontent_extent;
794 clone_image->colorspace=image->colorspace;
795 clone_image->matte=image->matte;
796 clone_image->columns=image->columns;
797 clone_image->rows=image->rows;
798 clone_image->dither=image->dither;
799 if (image->colormap != (PixelPacket *) NULL)
802 Allocate and copy the image colormap.
804 clone_image->colors=image->colors;
805 length=(size_t) image->colors;
806 clone_image->colormap=(PixelPacket *) AcquireQuantumMemory(length,
807 sizeof(*clone_image->colormap));
808 if (clone_image->colormap == (PixelPacket *) NULL)
809 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
810 (void) CopyMagickMemory(clone_image->colormap,image->colormap,length*
811 sizeof(*clone_image->colormap));
813 (void) CloneImageProfiles(clone_image,image);
814 (void) CloneImageProperties(clone_image,image);
815 (void) CloneImageArtifacts(clone_image,image);
816 GetTimerInfo(&clone_image->timer);
817 GetExceptionInfo(&clone_image->exception);
818 InheritException(&clone_image->exception,&image->exception);
819 if (image->ascii85 != (void *) NULL)
820 Ascii85Initialize(clone_image);
821 clone_image->magick_columns=image->magick_columns;
822 clone_image->magick_rows=image->magick_rows;
823 clone_image->type=image->type;
824 clone_image->sync=image->sync;
825 clone_image->channel_mask=image->channel_mask;
826 clone_image->channel_map=ClonePixelChannelMap(image->channel_map);
827 (void) CopyMagickString(clone_image->magick_filename,image->magick_filename,
829 (void) CopyMagickString(clone_image->magick,image->magick,MaxTextExtent);
830 (void) CopyMagickString(clone_image->filename,image->filename,MaxTextExtent);
831 clone_image->progress_monitor=image->progress_monitor;
832 clone_image->client_data=image->client_data;
833 clone_image->reference_count=1;
834 clone_image->next=image->next;
835 clone_image->previous=image->previous;
836 clone_image->list=NewImageList();
837 clone_image->clip_mask=NewImageList();
838 clone_image->mask=NewImageList();
839 if (detach == MagickFalse)
840 clone_image->blob=ReferenceBlob(image->blob);
843 clone_image->next=NewImageList();
844 clone_image->previous=NewImageList();
845 clone_image->blob=CloneBlobInfo((BlobInfo *) NULL);
847 clone_image->ping=image->ping;
848 clone_image->debug=IsEventLogging();
849 clone_image->semaphore=AllocateSemaphoreInfo();
850 if ((columns == 0) && (rows == 0))
852 if (image->montage != (char *) NULL)
853 (void) CloneString(&clone_image->montage,image->montage);
854 if (image->directory != (char *) NULL)
855 (void) CloneString(&clone_image->directory,image->directory);
856 if (image->clip_mask != (Image *) NULL)
857 clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue,
859 if (image->mask != (Image *) NULL)
860 clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception);
861 clone_image->cache=ReferencePixelCache(image->cache);
864 if ((columns == image->columns) && (rows == image->rows))
866 if (image->clip_mask != (Image *) NULL)
867 clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue,
869 if (image->mask != (Image *) NULL)
870 clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception);
872 scale=(MagickRealType) columns/(MagickRealType) image->columns;
873 clone_image->page.width=(size_t) floor(scale*image->page.width+0.5);
874 clone_image->page.x=(ssize_t) ceil(scale*image->page.x-0.5);
875 clone_image->tile_offset.x=(ssize_t) ceil(scale*image->tile_offset.x-0.5);
876 scale=(MagickRealType) rows/(MagickRealType) image->rows;
877 clone_image->page.height=(size_t) floor(scale*image->page.height+0.5);
878 clone_image->page.y=(ssize_t) ceil(scale*image->page.y-0.5);
879 clone_image->tile_offset.y=(ssize_t) ceil(scale*image->tile_offset.y-0.5);
880 clone_image->columns=columns;
881 clone_image->rows=rows;
882 clone_image->cache=ClonePixelCache(image->cache);
887 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
891 % C l o n e I m a g e I n f o %
895 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
897 % CloneImageInfo() makes a copy of the given image info structure. If
898 % NULL is specified, a new image info structure is created initialized to
901 % The format of the CloneImageInfo method is:
903 % ImageInfo *CloneImageInfo(const ImageInfo *image_info)
905 % A description of each parameter follows:
907 % o image_info: the image info.
910 MagickExport ImageInfo *CloneImageInfo(const ImageInfo *image_info)
915 clone_info=AcquireImageInfo();
916 if (image_info == (ImageInfo *) NULL)
918 clone_info->compression=image_info->compression;
919 clone_info->temporary=image_info->temporary;
920 clone_info->adjoin=image_info->adjoin;
921 clone_info->antialias=image_info->antialias;
922 clone_info->scene=image_info->scene;
923 clone_info->number_scenes=image_info->number_scenes;
924 clone_info->depth=image_info->depth;
925 if (image_info->size != (char *) NULL)
926 (void) CloneString(&clone_info->size,image_info->size);
927 if (image_info->extract != (char *) NULL)
928 (void) CloneString(&clone_info->extract,image_info->extract);
929 if (image_info->scenes != (char *) NULL)
930 (void) CloneString(&clone_info->scenes,image_info->scenes);
931 if (image_info->page != (char *) NULL)
932 (void) CloneString(&clone_info->page,image_info->page);
933 clone_info->interlace=image_info->interlace;
934 clone_info->endian=image_info->endian;
935 clone_info->units=image_info->units;
936 clone_info->quality=image_info->quality;
937 if (image_info->sampling_factor != (char *) NULL)
938 (void) CloneString(&clone_info->sampling_factor,
939 image_info->sampling_factor);
940 if (image_info->server_name != (char *) NULL)
941 (void) CloneString(&clone_info->server_name,image_info->server_name);
942 if (image_info->font != (char *) NULL)
943 (void) CloneString(&clone_info->font,image_info->font);
944 if (image_info->texture != (char *) NULL)
945 (void) CloneString(&clone_info->texture,image_info->texture);
946 if (image_info->density != (char *) NULL)
947 (void) CloneString(&clone_info->density,image_info->density);
948 clone_info->pointsize=image_info->pointsize;
949 clone_info->fuzz=image_info->fuzz;
950 clone_info->background_color=image_info->background_color;
951 clone_info->border_color=image_info->border_color;
952 clone_info->matte_color=image_info->matte_color;
953 clone_info->transparent_color=image_info->transparent_color;
954 clone_info->dither=image_info->dither;
955 clone_info->monochrome=image_info->monochrome;
956 clone_info->colors=image_info->colors;
957 clone_info->colorspace=image_info->colorspace;
958 clone_info->type=image_info->type;
959 clone_info->orientation=image_info->orientation;
960 clone_info->preview_type=image_info->preview_type;
961 clone_info->group=image_info->group;
962 clone_info->ping=image_info->ping;
963 clone_info->verbose=image_info->verbose;
964 if (image_info->view != (char *) NULL)
965 (void) CloneString(&clone_info->view,image_info->view);
966 if (image_info->authenticate != (char *) NULL)
967 (void) CloneString(&clone_info->authenticate,image_info->authenticate);
968 (void) CloneImageOptions(clone_info,image_info);
969 clone_info->progress_monitor=image_info->progress_monitor;
970 clone_info->client_data=image_info->client_data;
971 clone_info->cache=image_info->cache;
972 if (image_info->cache != (void *) NULL)
973 clone_info->cache=ReferencePixelCache(image_info->cache);
974 if (image_info->profile != (void *) NULL)
975 clone_info->profile=(void *) CloneStringInfo((StringInfo *)
976 image_info->profile);
977 SetImageInfoFile(clone_info,image_info->file);
978 SetImageInfoBlob(clone_info,image_info->blob,image_info->length);
979 clone_info->stream=image_info->stream;
980 clone_info->virtual_pixel_method=image_info->virtual_pixel_method;
981 (void) CopyMagickString(clone_info->magick,image_info->magick,MaxTextExtent);
982 (void) CopyMagickString(clone_info->unique,image_info->unique,MaxTextExtent);
983 (void) CopyMagickString(clone_info->zero,image_info->zero,MaxTextExtent);
984 (void) CopyMagickString(clone_info->filename,image_info->filename,
986 clone_info->channel=image_info->channel;
987 clone_info->debug=IsEventLogging();
988 clone_info->signature=image_info->signature;
993 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
997 % C o m b i n e I m a g e s %
1001 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1003 % CombineImages() combines one or more images into a single image. The
1004 % grayscale value of the pixels of each image in the sequence is assigned in
1005 % order to the specified channels of the combined image. The typical
1006 % ordering would be image 1 => Red, 2 => Green, 3 => Blue, etc.
1008 % The format of the CombineImages method is:
1010 % Image *CombineImages(const Image *image,ExceptionInfo *exception)
1012 % A description of each parameter follows:
1014 % o image: the image.
1016 % o exception: return any errors or warnings in this structure.
1020 static inline size_t MagickMin(const size_t x,const size_t y)
1027 MagickExport Image *CombineImages(const Image *image,ExceptionInfo *exception)
1029 #define CombineImageTag "Combine/Image"
1047 Ensure the image are the same size.
1049 assert(image != (const Image *) NULL);
1050 assert(image->signature == MagickSignature);
1051 if (image->debug != MagickFalse)
1052 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1053 assert(exception != (ExceptionInfo *) NULL);
1054 assert(exception->signature == MagickSignature);
1055 combine_image=CloneImage(image,0,0,MagickTrue,exception);
1056 if (combine_image == (Image *) NULL)
1057 return((Image *) NULL);
1058 if (SetImageStorageClass(combine_image,DirectClass,exception) == MagickFalse)
1060 combine_image=DestroyImage(combine_image);
1061 return((Image *) NULL);
1063 if ((GetPixelAlphaTraits(image) & UpdatePixelTrait) != 0)
1064 combine_image->matte=MagickTrue;
1070 combine_view=AcquireCacheView(combine_image);
1071 for (y=0; y < (ssize_t) combine_image->rows; y++)
1082 register const Quantum
1091 if (status == MagickFalse)
1093 pixels=GetCacheViewAuthenticPixels(combine_view,0,y,combine_image->columns,
1095 if (pixels == (Quantum *) NULL)
1101 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1113 if (next == (Image *) NULL)
1115 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
1116 channel=GetPixelChannelMapChannel(image,(PixelChannel) i);
1117 combine_traits=GetPixelChannelMapTraits(combine_image,channel);
1118 if ((traits == UndefinedPixelTrait) ||
1119 (combine_traits == UndefinedPixelTrait))
1121 image_view=AcquireCacheView(next);
1122 p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception);
1123 if (p == (const Quantum *) NULL)
1126 for (x=0; x < (ssize_t) combine_image->columns; x++)
1128 if (x < (ssize_t) image->columns)
1131 p+=GetPixelChannels(image);
1133 q+=GetPixelChannels(combine_image);
1135 image_view=DestroyCacheView(image_view);
1136 next=GetNextImageInList(next);
1137 if (SyncCacheViewAuthenticPixels(combine_view,exception) == MagickFalse)
1139 if (image->progress_monitor != (MagickProgressMonitor) NULL)
1144 proceed=SetImageProgress(image,CombineImageTag,progress++,
1145 combine_image->rows);
1146 if (proceed == MagickFalse)
1151 combine_view=DestroyCacheView(combine_view);
1152 if (status == MagickFalse)
1153 combine_image=DestroyImage(combine_image);
1154 return(combine_image);
1158 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1162 % D e s t r o y I m a g e %
1166 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1168 % DestroyImage() dereferences an image, deallocating memory associated with
1169 % the image if the reference count becomes zero.
1171 % The format of the DestroyImage method is:
1173 % Image *DestroyImage(Image *image)
1175 % A description of each parameter follows:
1177 % o image: the image.
1180 MagickExport Image *DestroyImage(Image *image)
1188 assert(image != (Image *) NULL);
1189 assert(image->signature == MagickSignature);
1190 if (image->debug != MagickFalse)
1191 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1192 destroy=MagickFalse;
1193 LockSemaphoreInfo(image->semaphore);
1194 image->reference_count--;
1195 if (image->reference_count == 0)
1197 UnlockSemaphoreInfo(image->semaphore);
1198 if (destroy == MagickFalse)
1199 return((Image *) NULL);
1203 DestroyImagePixels(image);
1204 image->channel_map=DestroyPixelChannelMap(image->channel_map);
1205 if (image->clip_mask != (Image *) NULL)
1206 image->clip_mask=DestroyImage(image->clip_mask);
1207 if (image->mask != (Image *) NULL)
1208 image->mask=DestroyImage(image->mask);
1209 if (image->montage != (char *) NULL)
1210 image->montage=DestroyString(image->montage);
1211 if (image->directory != (char *) NULL)
1212 image->directory=DestroyString(image->directory);
1213 if (image->colormap != (PixelPacket *) NULL)
1214 image->colormap=(PixelPacket *) RelinquishMagickMemory(image->colormap);
1215 if (image->geometry != (char *) NULL)
1216 image->geometry=DestroyString(image->geometry);
1217 DestroyImageProfiles(image);
1218 DestroyImageProperties(image);
1219 DestroyImageArtifacts(image);
1220 if (image->ascii85 != (Ascii85Info*) NULL)
1221 image->ascii85=(Ascii85Info *) RelinquishMagickMemory(image->ascii85);
1223 (void) DestroyExceptionInfo(&image->exception);
1224 if (image->semaphore != (SemaphoreInfo *) NULL)
1225 DestroySemaphoreInfo(&image->semaphore);
1226 image->signature=(~MagickSignature);
1227 image=(Image *) RelinquishMagickMemory(image);
1232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1236 % D e s t r o y I m a g e I n f o %
1240 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1242 % DestroyImageInfo() deallocates memory associated with an ImageInfo
1245 % The format of the DestroyImageInfo method is:
1247 % ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1249 % A description of each parameter follows:
1251 % o image_info: the image info.
1254 MagickExport ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1256 assert(image_info != (ImageInfo *) NULL);
1257 assert(image_info->signature == MagickSignature);
1258 if (image_info->debug != MagickFalse)
1259 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
1260 image_info->filename);
1261 if (image_info->size != (char *) NULL)
1262 image_info->size=DestroyString(image_info->size);
1263 if (image_info->extract != (char *) NULL)
1264 image_info->extract=DestroyString(image_info->extract);
1265 if (image_info->scenes != (char *) NULL)
1266 image_info->scenes=DestroyString(image_info->scenes);
1267 if (image_info->page != (char *) NULL)
1268 image_info->page=DestroyString(image_info->page);
1269 if (image_info->sampling_factor != (char *) NULL)
1270 image_info->sampling_factor=DestroyString(
1271 image_info->sampling_factor);
1272 if (image_info->server_name != (char *) NULL)
1273 image_info->server_name=DestroyString(
1274 image_info->server_name);
1275 if (image_info->font != (char *) NULL)
1276 image_info->font=DestroyString(image_info->font);
1277 if (image_info->texture != (char *) NULL)
1278 image_info->texture=DestroyString(image_info->texture);
1279 if (image_info->density != (char *) NULL)
1280 image_info->density=DestroyString(image_info->density);
1281 if (image_info->view != (char *) NULL)
1282 image_info->view=DestroyString(image_info->view);
1283 if (image_info->authenticate != (char *) NULL)
1284 image_info->authenticate=DestroyString(
1285 image_info->authenticate);
1286 DestroyImageOptions(image_info);
1287 if (image_info->cache != (void *) NULL)
1288 image_info->cache=DestroyPixelCache(image_info->cache);
1289 if (image_info->profile != (StringInfo *) NULL)
1290 image_info->profile=(void *) DestroyStringInfo((StringInfo *)
1291 image_info->profile);
1292 image_info->signature=(~MagickSignature);
1293 image_info=(ImageInfo *) RelinquishMagickMemory(image_info);
1298 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1302 + D i s a s s o c i a t e I m a g e S t r e a m %
1306 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1308 % DisassociateImageStream() disassociates the image stream.
1310 % The format of the DisassociateImageStream method is:
1312 % MagickBooleanType DisassociateImageStream(const Image *image)
1314 % A description of each parameter follows:
1316 % o image: the image.
1319 MagickExport void DisassociateImageStream(Image *image)
1321 assert(image != (const Image *) NULL);
1322 assert(image->signature == MagickSignature);
1323 if (image->debug != MagickFalse)
1324 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1325 (void) DetachBlob(image->blob);
1329 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1333 % G e t I m a g e A l p h a C h a n n e l %
1337 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1339 % GetImageAlphaChannel() returns MagickFalse if the image alpha channel is
1340 % not activated. That is, the image is RGB rather than RGBA or CMYK rather
1343 % The format of the GetImageAlphaChannel method is:
1345 % MagickBooleanType GetImageAlphaChannel(const Image *image)
1347 % A description of each parameter follows:
1349 % o image: the image.
1352 MagickExport MagickBooleanType GetImageAlphaChannel(const Image *image)
1354 assert(image != (const Image *) NULL);
1355 if (image->debug != MagickFalse)
1356 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1357 assert(image->signature == MagickSignature);
1358 return(image->matte);
1362 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1366 % G e t I m a g e C l i p M a s k %
1370 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1372 % GetImageClipMask() returns the clip path associated with the image.
1374 % The format of the GetImageClipMask method is:
1376 % Image *GetImageClipMask(const Image *image,ExceptionInfo *exception)
1378 % A description of each parameter follows:
1380 % o image: the image.
1383 MagickExport Image *GetImageClipMask(const Image *image,
1384 ExceptionInfo *exception)
1386 assert(image != (const Image *) NULL);
1387 if (image->debug != MagickFalse)
1388 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1389 assert(image->signature == MagickSignature);
1390 if (image->clip_mask == (Image *) NULL)
1391 return((Image *) NULL);
1392 return(CloneImage(image->clip_mask,0,0,MagickTrue,exception));
1396 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1400 % G e t I m a g e E x c e p t i o n %
1404 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1406 % GetImageException() traverses an image sequence and returns any
1407 % error more severe than noted by the exception parameter.
1409 % The format of the GetImageException method is:
1411 % void GetImageException(Image *image,ExceptionInfo *exception)
1413 % A description of each parameter follows:
1415 % o image: Specifies a pointer to a list of one or more images.
1417 % o exception: return the highest severity exception.
1420 MagickExport void GetImageException(Image *image,ExceptionInfo *exception)
1425 assert(image != (Image *) NULL);
1426 assert(image->signature == MagickSignature);
1427 if (image->debug != MagickFalse)
1428 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1429 assert(exception != (ExceptionInfo *) NULL);
1430 assert(exception->signature == MagickSignature);
1431 for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
1433 if (next->exception.severity == UndefinedException)
1435 if (next->exception.severity > exception->severity)
1436 InheritException(exception,&next->exception);
1437 next->exception.severity=UndefinedException;
1442 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1446 % G e t I m a g e I n f o %
1450 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1452 % GetImageInfo() initializes image_info to default values.
1454 % The format of the GetImageInfo method is:
1456 % void GetImageInfo(ImageInfo *image_info)
1458 % A description of each parameter follows:
1460 % o image_info: the image info.
1463 MagickExport void GetImageInfo(ImageInfo *image_info)
1472 File and image dimension members.
1474 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1475 assert(image_info != (ImageInfo *) NULL);
1476 (void) ResetMagickMemory(image_info,0,sizeof(*image_info));
1477 image_info->adjoin=MagickTrue;
1478 image_info->interlace=NoInterlace;
1479 image_info->channel=DefaultChannels;
1480 image_info->quality=UndefinedCompressionQuality;
1481 image_info->antialias=MagickTrue;
1482 image_info->dither=MagickTrue;
1483 synchronize=GetEnvironmentValue("MAGICK_SYNCHRONIZE");
1484 if (synchronize != (const char *) NULL)
1485 image_info->synchronize=IsMagickTrue(synchronize);
1486 exception=AcquireExceptionInfo();
1487 (void) QueryColorDatabase(BackgroundColor,&image_info->background_color,
1489 (void) QueryColorDatabase(BorderColor,&image_info->border_color,exception);
1490 (void) QueryColorDatabase(MatteColor,&image_info->matte_color,exception);
1491 (void) QueryColorDatabase(TransparentColor,&image_info->transparent_color,
1493 exception=DestroyExceptionInfo(exception);
1494 image_info->debug=IsEventLogging();
1495 image_info->signature=MagickSignature;
1499 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1503 % G e t I m a g e I n f o F i l e %
1507 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1509 % GetImageInfoFile() returns the image info file member.
1511 % The format of the GetImageInfoFile method is:
1513 % FILE *GetImageInfoFile(const ImageInfo *image_info)
1515 % A description of each parameter follows:
1517 % o image_info: the image info.
1520 MagickExport FILE *GetImageInfoFile(const ImageInfo *image_info)
1522 return(image_info->file);
1526 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1530 % G e t I m a g e M a s k %
1534 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1536 % GetImageMask() returns the mask associated with the image.
1538 % The format of the GetImageMask method is:
1540 % Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1542 % A description of each parameter follows:
1544 % o image: the image.
1547 MagickExport Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1549 assert(image != (const Image *) NULL);
1550 if (image->debug != MagickFalse)
1551 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1552 assert(image->signature == MagickSignature);
1553 if (image->mask == (Image *) NULL)
1554 return((Image *) NULL);
1555 return(CloneImage(image->mask,0,0,MagickTrue,exception));
1559 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1563 + G e t I m a g e R e f e r e n c e C o u n t %
1567 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1569 % GetImageReferenceCount() returns the image reference count.
1571 % The format of the GetReferenceCount method is:
1573 % ssize_t GetImageReferenceCount(Image *image)
1575 % A description of each parameter follows:
1577 % o image: the image.
1580 MagickExport ssize_t GetImageReferenceCount(Image *image)
1585 assert(image != (Image *) NULL);
1586 assert(image->signature == MagickSignature);
1587 if (image->debug != MagickFalse)
1588 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1589 LockSemaphoreInfo(image->semaphore);
1590 reference_count=image->reference_count;
1591 UnlockSemaphoreInfo(image->semaphore);
1592 return(reference_count);
1596 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1600 % 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 %
1604 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1606 % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the
1607 % image. A virtual pixel is any pixel access that is outside the boundaries
1608 % of the image cache.
1610 % The format of the GetImageVirtualPixelMethod() method is:
1612 % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1614 % A description of each parameter follows:
1616 % o image: the image.
1619 MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1621 assert(image != (Image *) NULL);
1622 assert(image->signature == MagickSignature);
1623 if (image->debug != MagickFalse)
1624 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1625 return(GetPixelCacheVirtualMethod(image));
1629 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1633 % I n t e r p r e t I m a g e F i l e n a m e %
1637 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1639 % InterpretImageFilename() interprets embedded characters in an image filename.
1640 % The filename length is returned.
1642 % The format of the InterpretImageFilename method is:
1644 % size_t InterpretImageFilename(const ImageInfo *image_info,
1645 % Image *image,const char *format,int value,char *filename)
1647 % A description of each parameter follows.
1649 % o image_info: the image info..
1651 % o image: the image.
1653 % o format: A filename describing the format to use to write the numeric
1654 % argument. Only the first numeric format identifier is replaced.
1656 % o value: Numeric value to substitute into format filename.
1658 % o filename: return the formatted filename in this character buffer.
1661 MagickExport size_t InterpretImageFilename(const ImageInfo *image_info,
1662 Image *image,const char *format,int value,char *filename)
1679 canonical=MagickFalse;
1681 (void) CopyMagickString(filename,format,MaxTextExtent);
1682 for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
1695 value=(ssize_t) strtol(q,&q,10);
1707 (void) FormatLocaleString(filename+(p-format),(size_t) (MaxTextExtent-
1708 (p-format)),p,value);
1710 (void) ConcatenateMagickString(filename,q,MaxTextExtent);
1711 canonical=MagickTrue;
1720 pattern[MaxTextExtent];
1737 if (strchr(p,']') == (char *) NULL)
1741 for (i=0; (i < (MaxTextExtent-1L)) && (*r != '\0'); i++)
1752 if (LocaleNCompare(pattern,"filename:",9) != 0)
1754 value=(const char *) NULL;
1755 if ((image_info != (const ImageInfo *) NULL) &&
1756 (image != (const Image *) NULL))
1757 value=GetMagickProperty(image_info,image,pattern);
1759 if (image != (Image *) NULL)
1760 value=GetImageProperty(image,pattern);
1762 if (image_info != (ImageInfo *) NULL)
1763 value=GetImageOption(image_info,pattern);
1764 if (value == (const char *) NULL)
1769 (void) CopyMagickString(filename+(p-format-length),value,(size_t)
1770 (MaxTextExtent-(p-format-length)));
1771 length+=strlen(pattern)-1;
1773 (void) ConcatenateMagickString(filename,r+1,MaxTextExtent);
1774 canonical=MagickTrue;
1784 for (q=filename; *q != '\0'; q++)
1785 if ((*q == '%') && (*(q+1) == '%'))
1787 (void) CopyMagickString(q,q+1,(size_t) (MaxTextExtent-(q-filename)));
1788 canonical=MagickTrue;
1790 if (canonical == MagickFalse)
1791 (void) CopyMagickString(filename,format,MaxTextExtent);
1792 return(strlen(filename));
1796 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1800 % I s H i g h D y n a m i c R a n g e I m a g e %
1804 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1806 % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is
1807 % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16
1810 % The format of the IsHighDynamicRangeImage method is:
1812 % MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1813 % ExceptionInfo *exception)
1815 % A description of each parameter follows:
1817 % o image: the image.
1819 % o exception: return any errors or warnings in this structure.
1822 MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1823 ExceptionInfo *exception)
1825 #if !defined(MAGICKCORE_HDRI_SUPPORT)
1828 return(MagickFalse);
1839 assert(image != (Image *) NULL);
1840 assert(image->signature == MagickSignature);
1841 if (image->debug != MagickFalse)
1842 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1844 GetPixelInfo(image,&zero);
1845 image_view=AcquireCacheView(image);
1846 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1847 #pragma omp parallel for schedule(dynamic,4) shared(status)
1849 for (y=0; y < (ssize_t) image->rows; y++)
1854 register const Quantum
1860 if (status == MagickFalse)
1862 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1863 if (p == (const Quantum *) NULL)
1869 for (x=0; x < (ssize_t) image->columns; x++)
1877 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1882 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
1883 if (traits == UndefinedPixelTrait)
1885 pixel=(MagickRealType) p[i];
1886 if ((pixel < 0.0) || (pixel > QuantumRange) ||
1887 (pixel != (QuantumAny) pixel))
1890 p+=GetPixelChannels(image);
1891 if (i < (ssize_t) GetPixelChannels(image))
1894 if (x < (ssize_t) image->columns)
1897 image_view=DestroyCacheView(image_view);
1898 return(status != MagickFalse ? MagickFalse : MagickTrue);
1903 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1907 % I s I m a g e O b j e c t %
1911 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1913 % IsImageObject() returns MagickTrue if the image sequence contains a valid
1914 % set of image objects.
1916 % The format of the IsImageObject method is:
1918 % MagickBooleanType IsImageObject(const Image *image)
1920 % A description of each parameter follows:
1922 % o image: the image.
1925 MagickExport MagickBooleanType IsImageObject(const Image *image)
1927 register const Image
1930 assert(image != (Image *) NULL);
1931 if (image->debug != MagickFalse)
1932 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1933 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1934 if (p->signature != MagickSignature)
1935 return(MagickFalse);
1940 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1944 % I s T a i n t I m a g e %
1948 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1950 % IsTaintImage() returns MagickTrue any pixel in the image has been altered
1951 % since it was first constituted.
1953 % The format of the IsTaintImage method is:
1955 % MagickBooleanType IsTaintImage(const Image *image)
1957 % A description of each parameter follows:
1959 % o image: the image.
1962 MagickExport MagickBooleanType IsTaintImage(const Image *image)
1965 magick[MaxTextExtent],
1966 filename[MaxTextExtent];
1968 register const Image
1971 assert(image != (Image *) NULL);
1972 if (image->debug != MagickFalse)
1973 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1974 assert(image->signature == MagickSignature);
1975 (void) CopyMagickString(magick,image->magick,MaxTextExtent);
1976 (void) CopyMagickString(filename,image->filename,MaxTextExtent);
1977 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1979 if (p->taint != MagickFalse)
1981 if (LocaleCompare(p->magick,magick) != 0)
1983 if (LocaleCompare(p->filename,filename) != 0)
1986 return(MagickFalse);
1990 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1994 % M o d i f y I m a g e %
1998 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2000 % ModifyImage() ensures that there is only a single reference to the image
2001 % to be modified, updating the provided image pointer to point to a clone of
2002 % the original image if necessary.
2004 % The format of the ModifyImage method is:
2006 % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception)
2008 % A description of each parameter follows:
2010 % o image: the image.
2012 % o exception: return any errors or warnings in this structure.
2015 MagickExport MagickBooleanType ModifyImage(Image **image,
2016 ExceptionInfo *exception)
2021 assert(image != (Image **) NULL);
2022 assert(*image != (Image *) NULL);
2023 assert((*image)->signature == MagickSignature);
2024 if ((*image)->debug != MagickFalse)
2025 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename);
2026 if (GetImageReferenceCount(*image) <= 1)
2028 clone_image=CloneImage(*image,0,0,MagickTrue,exception);
2029 LockSemaphoreInfo((*image)->semaphore);
2030 (*image)->reference_count--;
2031 UnlockSemaphoreInfo((*image)->semaphore);
2037 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2041 % N e w M a g i c k I m a g e %
2045 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2047 % NewMagickImage() creates a blank image canvas of the specified size and
2050 % The format of the NewMagickImage method is:
2052 % Image *NewMagickImage(const ImageInfo *image_info,
2053 % const size_t width,const size_t height,const PixelInfo *background)
2055 % A description of each parameter follows:
2057 % o image: the image.
2059 % o width: the image width.
2061 % o height: the image height.
2063 % o background: the image color.
2066 MagickExport Image *NewMagickImage(const ImageInfo *image_info,
2067 const size_t width,const size_t height,const PixelInfo *background)
2084 assert(image_info != (const ImageInfo *) NULL);
2085 if (image_info->debug != MagickFalse)
2086 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2087 assert(image_info->signature == MagickSignature);
2088 assert(background != (const PixelInfo *) NULL);
2089 image=AcquireImage(image_info);
2090 image->columns=width;
2092 image->colorspace=background->colorspace;
2093 image->matte=background->matte;
2094 image->fuzz=background->fuzz;
2095 image->depth=background->depth;
2097 exception=(&image->exception);
2098 image_view=AcquireCacheView(image);
2099 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2100 #pragma omp parallel for schedule(dynamic,4) shared(status)
2102 for (y=0; y < (ssize_t) image->rows; y++)
2110 if (status == MagickFalse)
2112 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2113 if (q == (Quantum *) NULL)
2118 for (x=0; x < (ssize_t) image->columns; x++)
2120 SetPixelPixelInfo(image,background,q);
2121 q+=GetPixelChannels(image);
2123 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2126 image_view=DestroyCacheView(image_view);
2127 if (status == MagickFalse)
2128 image=DestroyImage(image);
2133 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2137 % R e f e r e n c e I m a g e %
2141 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2143 % ReferenceImage() increments the reference count associated with an image
2144 % returning a pointer to the image.
2146 % The format of the ReferenceImage method is:
2148 % Image *ReferenceImage(Image *image)
2150 % A description of each parameter follows:
2152 % o image: the image.
2155 MagickExport Image *ReferenceImage(Image *image)
2157 assert(image != (Image *) NULL);
2158 if (image->debug != MagickFalse)
2159 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2160 assert(image->signature == MagickSignature);
2161 LockSemaphoreInfo(image->semaphore);
2162 image->reference_count++;
2163 UnlockSemaphoreInfo(image->semaphore);
2168 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2172 % R e s e t I m a g e P a g e %
2176 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2178 % ResetImagePage() resets the image page canvas and position.
2180 % The format of the ResetImagePage method is:
2182 % MagickBooleanType ResetImagePage(Image *image,const char *page)
2184 % A description of each parameter follows:
2186 % o image: the image.
2188 % o page: the relative page specification.
2191 MagickExport MagickBooleanType ResetImagePage(Image *image,const char *page)
2199 assert(image != (Image *) NULL);
2200 assert(image->signature == MagickSignature);
2201 if (image->debug != MagickFalse)
2202 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2203 flags=ParseAbsoluteGeometry(page,&geometry);
2204 if ((flags & WidthValue) != 0)
2206 if ((flags & HeightValue) == 0)
2207 geometry.height=geometry.width;
2208 image->page.width=geometry.width;
2209 image->page.height=geometry.height;
2211 if ((flags & AspectValue) != 0)
2213 if ((flags & XValue) != 0)
2214 image->page.x+=geometry.x;
2215 if ((flags & YValue) != 0)
2216 image->page.y+=geometry.y;
2220 if ((flags & XValue) != 0)
2222 image->page.x=geometry.x;
2223 if ((image->page.width == 0) && (geometry.x > 0))
2224 image->page.width=image->columns+geometry.x;
2226 if ((flags & YValue) != 0)
2228 image->page.y=geometry.y;
2229 if ((image->page.height == 0) && (geometry.y > 0))
2230 image->page.height=image->rows+geometry.y;
2237 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2241 % S e p a r a t e I m a g e C h a n n e l %
2245 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2247 % SeparateImage() separates a channel from the image and returns it as
2248 % a grayscale image. A channel is a particular color component of each pixel
2251 % The format of the SeparateImage method is:
2253 % MagickBooleanType SeparateImage(Image *image)
2255 % A description of each parameter follows:
2257 % o image: the image.
2260 MagickExport MagickBooleanType SeparateImage(Image *image)
2262 #define SeparateImageTag "Separate/Image"
2279 assert(image != (Image *) NULL);
2280 assert(image->signature == MagickSignature);
2281 if (image->debug != MagickFalse)
2282 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2283 exception=(&image->exception);
2284 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2285 return(MagickFalse);
2287 Separate image channels.
2291 image_view=AcquireCacheView(image);
2292 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2293 #pragma omp parallel for schedule(dynamic,4) shared(progress,status)
2295 for (y=0; y < (ssize_t) image->rows; y++)
2303 if (status == MagickFalse)
2305 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2306 if (q == (Quantum *) NULL)
2311 for (x=0; x < (ssize_t) image->columns; x++)
2316 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
2324 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
2325 if (traits == UndefinedPixelTrait)
2327 if ((traits & UpdatePixelTrait) != 0)
2328 for (j=0; j < (ssize_t) GetPixelChannels(image); j++)
2331 q+=GetPixelChannels(image);
2333 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2335 if (image->progress_monitor != (MagickProgressMonitor) NULL)
2340 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2341 #pragma omp critical (MagickCore_SeparateImage)
2343 proceed=SetImageProgress(image,SeparateImageTag,progress++,image->rows);
2344 if (proceed == MagickFalse)
2348 image_view=DestroyCacheView(image_view);
2349 (void) SetImageColorspace(image,RGBColorspace,exception);
2354 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2358 % S e p a r a t e I m a g e s %
2362 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2364 % SeparateImages() returns a separate grayscale image for each channel
2367 % The format of the SeparateImages method is:
2369 % MagickBooleanType SeparateImages(const Image *image,
2370 % ExceptionInfo *exception)
2372 % A description of each parameter follows:
2374 % o image: the image.
2376 % o exception: return any errors or warnings in this structure.
2379 MagickExport Image *SeparateImages(const Image *image,ExceptionInfo *exception)
2391 assert(image != (Image *) NULL);
2392 assert(image->signature == MagickSignature);
2393 if (image->debug != MagickFalse)
2394 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2395 images=NewImageList();
2396 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
2401 traits=GetPixelChannelMapTraits(image,(PixelChannel) i);
2402 if (traits == UndefinedPixelTrait)
2404 if ((traits & UpdatePixelTrait) != 0)
2406 separate_image=CloneImage(image,0,0,MagickTrue,exception);
2407 if (separate_image != (Image *) NULL)
2409 channel_mask=SetPixelChannelMask(separate_image,
2410 (ChannelType) (1 << i));
2411 (void) SeparateImage(separate_image);
2412 (void) SetPixelChannelMap(separate_image,channel_mask);
2413 AppendImageToList(&images,separate_image);
2421 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2425 % S e t I m a g e A l p h a C h a n n e l %
2429 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2431 % SetImageAlphaChannel() activates, deactivates, resets, or sets the alpha
2434 % The format of the SetImageAlphaChannel method is:
2436 % MagickBooleanType SetImageAlphaChannel(Image *image,
2437 % const AlphaChannelType alpha_type,ExceptionInfo *exception)
2439 % A description of each parameter follows:
2441 % o image: the image.
2443 % o alpha_type: The alpha channel type: ActivateAlphaChannel,
2444 % CopyAlphaChannel, DeactivateAlphaChannel, ExtractAlphaChannel,
2445 % OpaqueAlphaChannel, SetAlphaChannel, ShapeAlphaChannel, and
2446 % TransparentAlphaChannel.
2448 % o exception: return any errors or warnings in this structure.
2451 MagickExport MagickBooleanType SetImageAlphaChannel(Image *image,
2452 const AlphaChannelType alpha_type,ExceptionInfo *exception)
2460 assert(image != (Image *) NULL);
2461 if (image->debug != MagickFalse)
2462 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2463 assert(image->signature == MagickSignature);
2467 case ActivateAlphaChannel:
2469 image->matte=MagickTrue;
2472 case BackgroundAlphaChannel:
2487 Set transparent pixels to background color.
2489 if (image->matte == MagickFalse)
2491 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2493 GetPixelInfo(image,&background);
2494 SetPixelInfoPacket(image,&image->background_color,&background);
2495 if (image->colorspace == CMYKColorspace)
2496 ConvertRGBToCMYK(&background);
2497 SetPacketPixelInfo(image,&background,&pixel);
2498 image_view=AcquireCacheView(image);
2499 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2500 #pragma omp parallel for schedule(dynamic,4) shared(status)
2502 for (y=0; y < (ssize_t) image->rows; y++)
2510 if (status == MagickFalse)
2512 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,
2514 if (q == (Quantum *) NULL)
2519 for (x=0; x < (ssize_t) image->columns; x++)
2521 if (GetPixelAlpha(image,q) == TransparentAlpha)
2522 SetPixelPixelInfo(image,&background,q);
2523 q+=GetPixelChannels(image);
2525 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2528 image_view=DestroyCacheView(image_view);
2531 case DeactivateAlphaChannel:
2533 image->matte=MagickFalse;
2536 case ShapeAlphaChannel:
2537 case CopyAlphaChannel:
2540 Special usage case for SeparateImage(): copy grayscale color to
2543 channel_mask=SetPixelChannelMask(image,GrayChannel);
2544 status=SeparateImage(image);
2545 (void) SetPixelChannelMask(image,channel_mask);
2546 image->matte=MagickTrue; /* make sure transparency is now on! */
2547 if (alpha_type == ShapeAlphaChannel)
2553 Reset all color channels to background color.
2555 GetPixelInfo(image,&background);
2556 SetPixelInfoPacket(image,&(image->background_color),&background);
2557 (void) LevelImageColors(image,&background,&background,MagickTrue,
2562 case ExtractAlphaChannel:
2564 channel_mask=SetPixelChannelMask(image,AlphaChannel);
2565 status=SeparateImage(image);
2566 (void) SetPixelChannelMask(image,channel_mask);
2567 image->matte=MagickFalse;
2570 case OpaqueAlphaChannel:
2572 status=SetImageOpacity(image,OpaqueAlpha);
2573 image->matte=MagickTrue;
2576 case TransparentAlphaChannel:
2578 status=SetImageOpacity(image,TransparentAlpha);
2579 image->matte=MagickTrue;
2582 case SetAlphaChannel:
2584 if (image->matte == MagickFalse)
2586 status=SetImageOpacity(image,OpaqueAlpha);
2587 image->matte=MagickTrue;
2591 case UndefinedAlphaChannel:
2594 if (status == MagickFalse)
2596 return(SyncImagePixelCache(image,exception));
2600 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2604 % S e t I m a g e B a c k g r o u n d C o l o r %
2608 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2610 % SetImageBackgroundColor() initializes the image pixels to the image
2611 % background color. The background color is defined by the background_color
2612 % member of the image structure.
2614 % The format of the SetImage method is:
2616 % MagickBooleanType SetImageBackgroundColor(Image *image)
2618 % A description of each parameter follows:
2620 % o image: the image.
2623 MagickExport MagickBooleanType SetImageBackgroundColor(Image *image)
2643 assert(image != (Image *) NULL);
2644 if (image->debug != MagickFalse)
2645 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2646 assert(image->signature == MagickSignature);
2647 exception=(&image->exception);
2648 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2649 return(MagickFalse);
2650 if (image->background_color.alpha != OpaqueAlpha)
2651 image->matte=MagickTrue;
2652 GetPixelInfo(image,&background);
2653 SetPixelInfoPacket(image,&image->background_color,&background);
2654 if (image->colorspace == CMYKColorspace)
2655 ConvertRGBToCMYK(&background);
2656 SetPacketPixelInfo(image,&background,&pixel);
2658 Set image background color.
2662 image_view=AcquireCacheView(image);
2663 for (y=0; y < (ssize_t) image->rows; y++)
2671 if (status == MagickFalse)
2673 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2674 if (q == (Quantum *) NULL)
2679 for (x=0; x < (ssize_t) image->columns; x++)
2681 SetPixelPixelInfo(image,&background,q);
2682 q+=GetPixelChannels(image);
2684 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2687 image_view=DestroyCacheView(image_view);
2692 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2696 % S e t I m a g e C o l o r %
2700 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2702 % SetImageColor() set the entire image canvas to the specified color.
2704 % The format of the SetImageColor method is:
2706 % MagickBooleanType SetImageColor(Image *image,const PixelInfo *color)
2708 % A description of each parameter follows:
2710 % o image: the image.
2712 % o background: the image color.
2715 MagickExport MagickBooleanType SetImageColor(Image *image,
2716 const PixelInfo *color)
2730 assert(image != (Image *) NULL);
2731 if (image->debug != MagickFalse)
2732 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2733 assert(image->signature == MagickSignature);
2734 assert(color != (const PixelInfo *) NULL);
2735 image->colorspace=color->colorspace;
2736 image->matte=color->matte;
2737 image->fuzz=color->fuzz;
2738 image->depth=color->depth;
2740 exception=(&image->exception);
2741 image_view=AcquireCacheView(image);
2742 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2743 #pragma omp parallel for schedule(dynamic,4) shared(status)
2745 for (y=0; y < (ssize_t) image->rows; y++)
2753 if (status == MagickFalse)
2755 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2756 if (q == (Quantum *) NULL)
2761 for (x=0; x < (ssize_t) image->columns; x++)
2763 SetPixelPixelInfo(image,color,q);
2764 q+=GetPixelChannels(image);
2766 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2769 image_view=DestroyCacheView(image_view);
2774 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2778 % S e t I m a g e S t o r a g e C l a s s %
2782 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2784 % SetImageStorageClass() sets the image class: DirectClass for true color
2785 % images or PseudoClass for colormapped images.
2787 % The format of the SetImageStorageClass method is:
2789 % MagickBooleanType SetImageStorageClass(Image *image,
2790 % const ClassType storage_class,ExceptionInfo *exception)
2792 % A description of each parameter follows:
2794 % o image: the image.
2796 % o storage_class: The image class.
2798 % o exception: return any errors or warnings in this structure.
2801 MagickExport MagickBooleanType SetImageStorageClass(Image *image,
2802 const ClassType storage_class,ExceptionInfo *exception)
2804 image->storage_class=storage_class;
2805 return(SyncImagePixelCache(image,exception));
2809 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2813 % S e t I m a g e C l i p M a s k %
2817 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2819 % SetImageClipMask() associates a clip path with the image. The clip path
2820 % must be the same dimensions as the image. Set any pixel component of
2821 % the clip path to TransparentAlpha to prevent that corresponding image
2822 % pixel component from being updated when SyncAuthenticPixels() is applied.
2824 % The format of the SetImageClipMask method is:
2826 % MagickBooleanType SetImageClipMask(Image *image,const Image *clip_mask,
2827 % ExceptionInfo *exception)
2829 % A description of each parameter follows:
2831 % o image: the image.
2833 % o clip_mask: the image clip path.
2835 % o exception: return any errors or warnings in this structure.
2838 MagickExport MagickBooleanType SetImageClipMask(Image *image,
2839 const Image *clip_mask,ExceptionInfo *exception)
2841 assert(image != (Image *) NULL);
2842 if (image->debug != MagickFalse)
2843 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2844 assert(image->signature == MagickSignature);
2845 if (clip_mask != (const Image *) NULL)
2846 if ((clip_mask->columns != image->columns) ||
2847 (clip_mask->rows != image->rows))
2848 ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename);
2849 if (image->clip_mask != (Image *) NULL)
2850 image->clip_mask=DestroyImage(image->clip_mask);
2851 image->clip_mask=NewImageList();
2852 if (clip_mask == (Image *) NULL)
2854 if (SetImageStorageClass(image,DirectClass,&image->exception) == MagickFalse)
2855 return(MagickFalse);
2856 image->clip_mask=CloneImage(clip_mask,0,0,MagickTrue,&image->exception);
2857 if (image->clip_mask == (Image *) NULL)
2858 return(MagickFalse);
2863 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2867 % S e t I m a g e E x t e n t %
2871 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2873 % SetImageExtent() sets the image size (i.e. columns & rows).
2875 % The format of the SetImageExtent method is:
2877 % MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2878 % const size_t rows,ExceptionInfo *exception)
2880 % A description of each parameter follows:
2882 % o image: the image.
2884 % o columns: The image width in pixels.
2886 % o rows: The image height in pixels.
2888 % o exception: return any errors or warnings in this structure.
2891 MagickExport MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2892 const size_t rows,ExceptionInfo *exception)
2894 if ((columns == 0) || (rows == 0))
2895 return(MagickFalse);
2896 image->columns=columns;
2898 return(SyncImagePixelCache(image,exception));
2902 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2906 + S e t I m a g e I n f o %
2910 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2912 % SetImageInfo() initializes the `magick' field of the ImageInfo structure.
2913 % It is set to a type of image format based on the prefix or suffix of the
2914 % filename. For example, `ps:image' returns PS indicating a Postscript image.
2915 % JPEG is returned for this filename: `image.jpg'. The filename prefix has
2916 % precendence over the suffix. Use an optional index enclosed in brackets
2917 % after a file name to specify a desired scene of a multi-resolution image
2918 % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value
2919 % indicates success.
2921 % The format of the SetImageInfo method is:
2923 % MagickBooleanType SetImageInfo(ImageInfo *image_info,
2924 % const unsigned int frames,ExceptionInfo *exception)
2926 % A description of each parameter follows:
2928 % o image_info: the image info.
2930 % o frames: the number of images you intend to write.
2932 % o exception: return any errors or warnings in this structure.
2935 MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info,
2936 const unsigned int frames,ExceptionInfo *exception)
2939 extension[MaxTextExtent],
2940 filename[MaxTextExtent],
2941 magic[MaxTextExtent],
2943 subimage[MaxTextExtent];
2967 magick[2*MaxTextExtent];
2970 Look for 'image.format' in filename.
2972 assert(image_info != (ImageInfo *) NULL);
2973 assert(image_info->signature == MagickSignature);
2974 if (image_info->debug != MagickFalse)
2975 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2976 image_info->filename);
2980 GetPathComponent(image_info->filename,SubimagePath,subimage);
2981 if (*subimage != '\0')
2984 Look for scene specification (e.g. img0001.pcd[4]).
2986 if (IsSceneGeometry(subimage,MagickFalse) == MagickFalse)
2988 if (IsGeometry(subimage) != MagickFalse)
2989 (void) CloneString(&image_info->extract,subimage);
2997 (void) CloneString(&image_info->scenes,subimage);
2998 image_info->scene=StringToUnsignedLong(image_info->scenes);
2999 image_info->number_scenes=image_info->scene;
3000 p=image_info->scenes;
3001 for (q=(char *) image_info->scenes; *q != '\0'; p++)
3003 while ((isspace((int) ((unsigned char) *p)) != 0) ||
3006 first=(size_t) strtol(p,&q,10);
3008 while (isspace((int) ((unsigned char) *q)) != 0)
3011 last=(size_t) strtol(q+1,&q,10);
3014 if (first < image_info->scene)
3015 image_info->scene=first;
3016 if (last > image_info->number_scenes)
3017 image_info->number_scenes=last;
3020 image_info->number_scenes-=image_info->scene-1;
3025 GetPathComponent(image_info->filename,ExtensionPath,extension);
3026 #if defined(MAGICKCORE_ZLIB_DELEGATE)
3027 if (*extension != '\0')
3028 if ((LocaleCompare(extension,"gz") == 0) ||
3029 (LocaleCompare(extension,"Z") == 0) ||
3030 (LocaleCompare(extension,"wmz") == 0))
3033 path[MaxTextExtent];
3035 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
3036 path[strlen(path)-strlen(extension)-1]='\0';
3037 GetPathComponent(path,ExtensionPath,extension);
3040 #if defined(MAGICKCORE_BZLIB_DELEGATE)
3041 if (*extension != '\0')
3042 if (LocaleCompare(extension,"bz2") == 0)
3045 path[MaxTextExtent];
3047 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
3048 path[strlen(path)-strlen(extension)-1]='\0';
3049 GetPathComponent(path,ExtensionPath,extension);
3052 image_info->affirm=MagickFalse;
3053 sans_exception=AcquireExceptionInfo();
3054 if (*extension != '\0')
3063 *format_type_formats[] =
3086 User specified image format.
3088 (void) CopyMagickString(magic,extension,MaxTextExtent);
3091 Look for explicit image formats.
3093 format_type=UndefinedFormatType;
3095 while ((format_type == UndefinedFormatType) &&
3096 (format_type_formats[i] != (char *) NULL))
3098 if ((*magic == *format_type_formats[i]) &&
3099 (LocaleCompare(magic,format_type_formats[i]) == 0))
3100 format_type=ExplicitFormatType;
3103 magick_info=GetMagickInfo(magic,sans_exception);
3104 if ((magick_info != (const MagickInfo *) NULL) &&
3105 (magick_info->format_type != UndefinedFormatType))
3106 format_type=magick_info->format_type;
3107 if (format_type == UndefinedFormatType)
3108 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3110 if (format_type == ExplicitFormatType)
3112 image_info->affirm=MagickTrue;
3113 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3115 if (LocaleCompare(magic,"RGB") == 0)
3116 image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */
3119 Look for explicit 'format:image' in filename.
3122 GetPathComponent(image_info->filename,MagickPath,magic);
3124 (void) CopyMagickString(magic,image_info->magick,MaxTextExtent);
3128 User specified image format.
3131 if (IsMagickConflict(magic) == MagickFalse)
3133 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
3134 if (LocaleCompare(magic,"EPHEMERAL") != 0)
3135 image_info->affirm=MagickTrue;
3137 image_info->temporary=MagickTrue;
3140 magick_info=GetMagickInfo(magic,sans_exception);
3141 sans_exception=DestroyExceptionInfo(sans_exception);
3142 if ((magick_info == (const MagickInfo *) NULL) ||
3143 (GetMagickEndianSupport(magick_info) == MagickFalse))
3144 image_info->endian=UndefinedEndian;
3145 GetPathComponent(image_info->filename,CanonicalPath,filename);
3146 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
3147 if ((image_info->adjoin != MagickFalse) && (frames > 1))
3150 Test for multiple image support (e.g. image%02d.png).
3152 (void) InterpretImageFilename(image_info,(Image *) NULL,
3153 image_info->filename,(int) image_info->scene,filename);
3154 if ((LocaleCompare(filename,image_info->filename) != 0) &&
3155 (strchr(filename,'%') == (char *) NULL))
3156 image_info->adjoin=MagickFalse;
3158 if ((image_info->adjoin != MagickFalse) && (frames > 0))
3161 Some image formats do not support multiple frames per file.
3163 magick_info=GetMagickInfo(magic,exception);
3164 if (magick_info != (const MagickInfo *) NULL)
3165 if (GetMagickAdjoin(magick_info) == MagickFalse)
3166 image_info->adjoin=MagickFalse;
3168 if (image_info->affirm != MagickFalse)
3173 Determine the image format from the first few bytes of the file.
3175 image=AcquireImage(image_info);
3176 (void) CopyMagickString(image->filename,image_info->filename,
3178 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
3179 if (status == MagickFalse)
3181 image=DestroyImage(image);
3182 return(MagickFalse);
3184 if ((IsBlobSeekable(image) == MagickFalse) ||
3185 (IsBlobExempt(image) != MagickFalse))
3188 Copy standard input or pipe to temporary file.
3191 status=ImageToFile(image,filename,exception);
3192 (void) CloseBlob(image);
3193 if (status == MagickFalse)
3195 image=DestroyImage(image);
3196 return(MagickFalse);
3198 SetImageInfoFile(image_info,(FILE *) NULL);
3199 (void) CopyMagickString(image->filename,filename,MaxTextExtent);
3200 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
3201 if (status == MagickFalse)
3203 image=DestroyImage(image);
3204 return(MagickFalse);
3206 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
3207 image_info->temporary=MagickTrue;
3209 (void) ResetMagickMemory(magick,0,sizeof(magick));
3210 count=ReadBlob(image,2*MaxTextExtent,magick);
3211 (void) CloseBlob(image);
3212 image=DestroyImage(image);
3214 Check magic.xml configuration file.
3216 sans_exception=AcquireExceptionInfo();
3217 magic_info=GetMagicInfo(magick,(size_t) count,sans_exception);
3218 if ((magic_info != (const MagicInfo *) NULL) &&
3219 (GetMagicName(magic_info) != (char *) NULL))
3221 (void) CopyMagickString(image_info->magick,GetMagicName(magic_info),
3223 magick_info=GetMagickInfo(image_info->magick,sans_exception);
3224 if ((magick_info == (const MagickInfo *) NULL) ||
3225 (GetMagickEndianSupport(magick_info) == MagickFalse))
3226 image_info->endian=UndefinedEndian;
3227 sans_exception=DestroyExceptionInfo(sans_exception);
3230 magick_info=GetMagickInfo(image_info->magick,sans_exception);
3231 if ((magick_info == (const MagickInfo *) NULL) ||
3232 (GetMagickEndianSupport(magick_info) == MagickFalse))
3233 image_info->endian=UndefinedEndian;
3234 sans_exception=DestroyExceptionInfo(sans_exception);
3240 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3244 % S e t I m a g e I n f o B l o b %
3248 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3250 % SetImageInfoBlob() sets the image info blob member.
3252 % The format of the SetImageInfoBlob method is:
3254 % void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
3255 % const size_t length)
3257 % A description of each parameter follows:
3259 % o image_info: the image info.
3263 % o length: the blob length.
3266 MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
3267 const size_t length)
3269 assert(image_info != (ImageInfo *) NULL);
3270 assert(image_info->signature == MagickSignature);
3271 if (image_info->debug != MagickFalse)
3272 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3273 image_info->filename);
3274 image_info->blob=(void *) blob;
3275 image_info->length=length;
3279 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3283 % S e t I m a g e I n f o F i l e %
3287 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3289 % SetImageInfoFile() sets the image info file member.
3291 % The format of the SetImageInfoFile method is:
3293 % void SetImageInfoFile(ImageInfo *image_info,FILE *file)
3295 % A description of each parameter follows:
3297 % o image_info: the image info.
3302 MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file)
3304 assert(image_info != (ImageInfo *) NULL);
3305 assert(image_info->signature == MagickSignature);
3306 if (image_info->debug != MagickFalse)
3307 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
3308 image_info->filename);
3309 image_info->file=file;
3313 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3317 % S e t I m a g e M a s k %
3321 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3323 % SetImageMask() associates a mask with the image. The mask must be the same
3324 % dimensions as the image.
3326 % The format of the SetImageMask method is:
3328 % MagickBooleanType SetImageMask(Image *image,const Image *mask,
3329 % ExceptionInfo *exception)
3331 % A description of each parameter follows:
3333 % o image: the image.
3335 % o mask: the image mask.
3337 % o exception: return any errors or warnings in this structure.
3340 MagickExport MagickBooleanType SetImageMask(Image *image,
3341 const Image *mask,ExceptionInfo *exception)
3343 assert(image != (Image *) NULL);
3344 if (image->debug != MagickFalse)
3345 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3346 assert(image->signature == MagickSignature);
3347 if (mask != (const Image *) NULL)
3348 if ((mask->columns != image->columns) || (mask->rows != image->rows))
3349 ThrowBinaryException(ImageError,"ImageSizeDiffers",image->filename);
3350 if (image->mask != (Image *) NULL)
3351 image->mask=DestroyImage(image->mask);
3352 image->mask=NewImageList();
3353 if (mask == (Image *) NULL)
3355 if (SetImageStorageClass(image,DirectClass,&image->exception) == MagickFalse)
3356 return(MagickFalse);
3357 image->mask=CloneImage(mask,0,0,MagickTrue,&image->exception);
3358 if (image->mask == (Image *) NULL)
3359 return(MagickFalse);
3364 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3368 % S e t I m a g e O p a c i t y %
3372 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3374 % SetImageOpacity() sets the opacity levels of the image.
3376 % The format of the SetImageOpacity method is:
3378 % MagickBooleanType SetImageOpacity(Image *image,const Quantum opacity)
3380 % A description of each parameter follows:
3382 % o image: the image.
3384 % o opacity: the level of transparency: 0 is fully opaque and QuantumRange is
3385 % fully transparent.
3388 MagickExport MagickBooleanType SetImageOpacity(Image *image,
3389 const Quantum opacity)
3403 assert(image != (Image *) NULL);
3404 if (image->debug != MagickFalse)
3405 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3406 assert(image->signature == MagickSignature);
3407 image->matte=opacity != OpaqueAlpha ? MagickTrue : MagickFalse;
3409 exception=(&image->exception);
3410 image_view=AcquireCacheView(image);
3411 #if defined(MAGICKCORE_OPENMP_SUPPORT)
3412 #pragma omp parallel for schedule(dynamic,4) shared(status)
3414 for (y=0; y < (ssize_t) image->rows; y++)
3422 if (status == MagickFalse)
3424 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
3425 if (q == (Quantum *) NULL)
3430 for (x=0; x < (ssize_t) image->columns; x++)
3432 SetPixelAlpha(image,opacity,q);
3433 q+=GetPixelChannels(image);
3435 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3438 image_view=DestroyCacheView(image_view);
3443 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3447 % S e t I m a g e T y p e %
3451 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3453 % SetImageType() sets the type of image. Choose from these types:
3455 % Bilevel Grayscale GrayscaleMatte
3456 % Palette PaletteMatte TrueColor
3457 % TrueColorMatte ColorSeparation ColorSeparationMatte
3460 % The format of the SetImageType method is:
3462 % MagickBooleanType SetImageType(Image *image,const ImageType type,
3463 % ExceptionInfo *exception)
3465 % A description of each parameter follows:
3467 % o image: the image.
3469 % o type: Image type.
3471 % o exception: return any errors or warnings in this structure.
3474 MagickExport MagickBooleanType SetImageType(Image *image,const ImageType type,
3475 ExceptionInfo *exception)
3489 assert(image != (Image *) NULL);
3490 if (image->debug != MagickFalse)
3491 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3492 assert(image->signature == MagickSignature);
3494 image_info=AcquireImageInfo();
3495 image_info->dither=image->dither;
3496 artifact=GetImageArtifact(image,"dither");
3497 if (artifact != (const char *) NULL)
3498 (void) SetImageOption(image_info,"dither",artifact);
3503 if (IsImageGray(image,&image->exception) == MagickFalse)
3504 status=TransformImageColorspace(image,GRAYColorspace);
3505 if (IsImageMonochrome(image,&image->exception) == MagickFalse)
3507 quantize_info=AcquireQuantizeInfo(image_info);
3508 quantize_info->number_colors=2;
3509 quantize_info->colorspace=GRAYColorspace;
3510 status=QuantizeImage(quantize_info,image,exception);
3511 quantize_info=DestroyQuantizeInfo(quantize_info);
3513 image->matte=MagickFalse;
3518 if (IsImageGray(image,&image->exception) == MagickFalse)
3519 status=TransformImageColorspace(image,GRAYColorspace);
3520 image->matte=MagickFalse;
3523 case GrayscaleMatteType:
3525 if (IsImageGray(image,&image->exception) == MagickFalse)
3526 status=TransformImageColorspace(image,GRAYColorspace);
3527 if (image->matte == MagickFalse)
3528 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3533 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3534 status=TransformImageColorspace(image,RGBColorspace);
3535 if ((image->storage_class == DirectClass) || (image->colors > 256))
3537 quantize_info=AcquireQuantizeInfo(image_info);
3538 quantize_info->number_colors=256;
3539 status=QuantizeImage(quantize_info,image,exception);
3540 quantize_info=DestroyQuantizeInfo(quantize_info);
3542 image->matte=MagickFalse;
3545 case PaletteBilevelMatteType:
3550 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3551 status=TransformImageColorspace(image,RGBColorspace);
3552 if (image->matte == MagickFalse)
3553 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3554 channel_mask=SetPixelChannelMask(image,AlphaChannel);
3555 (void) BilevelImage(image,(double) QuantumRange/2.0);
3556 (void) SetPixelChannelMask(image,channel_mask);
3557 quantize_info=AcquireQuantizeInfo(image_info);
3558 status=QuantizeImage(quantize_info,image,exception);
3559 quantize_info=DestroyQuantizeInfo(quantize_info);
3562 case PaletteMatteType:
3564 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3565 status=TransformImageColorspace(image,RGBColorspace);
3566 if (image->matte == MagickFalse)
3567 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3568 quantize_info=AcquireQuantizeInfo(image_info);
3569 quantize_info->colorspace=TransparentColorspace;
3570 status=QuantizeImage(quantize_info,image,exception);
3571 quantize_info=DestroyQuantizeInfo(quantize_info);
3576 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3577 status=TransformImageColorspace(image,RGBColorspace);
3578 if (image->storage_class != DirectClass)
3579 status=SetImageStorageClass(image,DirectClass,&image->exception);
3580 image->matte=MagickFalse;
3583 case TrueColorMatteType:
3585 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3586 status=TransformImageColorspace(image,RGBColorspace);
3587 if (image->storage_class != DirectClass)
3588 status=SetImageStorageClass(image,DirectClass,&image->exception);
3589 if (image->matte == MagickFalse)
3590 (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3593 case ColorSeparationType:
3595 if (image->colorspace != CMYKColorspace)
3597 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3598 status=TransformImageColorspace(image,RGBColorspace);
3599 status=TransformImageColorspace(image,CMYKColorspace);
3601 if (image->storage_class != DirectClass)
3602 status=SetImageStorageClass(image,DirectClass,&image->exception);
3603 image->matte=MagickFalse;
3606 case ColorSeparationMatteType:
3608 if (image->colorspace != CMYKColorspace)
3610 if (IsRGBColorspace(image->colorspace) == MagickFalse)
3611 status=TransformImageColorspace(image,RGBColorspace);
3612 status=TransformImageColorspace(image,CMYKColorspace);
3614 if (image->storage_class != DirectClass)
3615 status=SetImageStorageClass(image,DirectClass,&image->exception);
3616 if (image->matte == MagickFalse)
3617 status=SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
3625 image_info=DestroyImageInfo(image_info);
3630 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3634 % 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 %
3638 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3640 % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the
3641 % image and returns the previous setting. A virtual pixel is any pixel access
3642 % that is outside the boundaries of the image cache.
3644 % The format of the SetImageVirtualPixelMethod() method is:
3646 % VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image,
3647 % const VirtualPixelMethod virtual_pixel_method)
3649 % A description of each parameter follows:
3651 % o image: the image.
3653 % o virtual_pixel_method: choose the type of virtual pixel.
3656 MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image,
3657 const VirtualPixelMethod virtual_pixel_method)
3659 assert(image != (const Image *) NULL);
3660 assert(image->signature == MagickSignature);
3661 if (image->debug != MagickFalse)
3662 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3663 return(SetPixelCacheVirtualMethod(image,virtual_pixel_method));
3667 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3671 % S m u s h I m a g e s %
3675 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3677 % SmushImages() takes all images from the current image pointer to the end
3678 % of the image list and smushes them to each other top-to-bottom if the
3679 % stack parameter is true, otherwise left-to-right.
3681 % The current gravity setting now effects how the image is justified in the
3684 % The format of the SmushImages method is:
3686 % Image *SmushImages(const Image *images,const MagickBooleanType stack,
3687 % ExceptionInfo *exception)
3689 % A description of each parameter follows:
3691 % o images: the image sequence.
3693 % o stack: A value other than 0 stacks the images top-to-bottom.
3695 % o offset: minimum distance in pixels between images.
3697 % o exception: return any errors or warnings in this structure.
3701 static ssize_t SmushXGap(const Image *smush_image,const Image *images,
3702 const ssize_t offset,ExceptionInfo *exception)
3716 register const Quantum
3729 if (images->previous == (Image *) NULL)
3732 SetGeometry(smush_image,&right_geometry);
3733 GravityAdjustGeometry(right_image->columns,right_image->rows,
3734 right_image->gravity,&right_geometry);
3735 left_image=images->previous;
3736 SetGeometry(smush_image,&left_geometry);
3737 GravityAdjustGeometry(left_image->columns,left_image->rows,
3738 left_image->gravity,&left_geometry);
3739 gap=right_image->columns;
3740 left_view=AcquireCacheView(left_image);
3741 right_view=AcquireCacheView(right_image);
3742 for (y=0; y < (ssize_t) smush_image->rows; y++)
3744 for (x=(ssize_t) left_image->columns-1; x > 0; x--)
3746 p=GetCacheViewVirtualPixels(left_view,x,left_geometry.y+y,1,1,exception);
3747 if ((p == (const Quantum *) NULL) ||
3748 (GetPixelAlpha(left_image,p) != TransparentAlpha) ||
3749 ((left_image->columns-x-1) >= gap))
3752 i=(ssize_t) left_image->columns-x-1;
3753 for (x=0; x < (ssize_t) right_image->columns; x++)
3755 p=GetCacheViewVirtualPixels(right_view,x,right_geometry.y+y,1,1,
3757 if ((p == (const Quantum *) NULL) ||
3758 (GetPixelAlpha(right_image,p) != TransparentAlpha) ||
3759 ((x+i) >= (ssize_t) gap))
3762 if ((x+i) < (ssize_t) gap)
3765 right_view=DestroyCacheView(right_view);
3766 left_view=DestroyCacheView(left_view);
3767 if (y < (ssize_t) smush_image->rows)
3769 return((ssize_t) gap-offset);
3772 static ssize_t SmushYGap(const Image *smush_image,const Image *images,
3773 const ssize_t offset,ExceptionInfo *exception)
3787 register const Quantum
3800 if (images->previous == (Image *) NULL)
3802 bottom_image=images;
3803 SetGeometry(smush_image,&bottom_geometry);
3804 GravityAdjustGeometry(bottom_image->columns,bottom_image->rows,
3805 bottom_image->gravity,&bottom_geometry);
3806 top_image=images->previous;
3807 SetGeometry(smush_image,&top_geometry);
3808 GravityAdjustGeometry(top_image->columns,top_image->rows,top_image->gravity,
3810 gap=bottom_image->rows;
3811 top_view=AcquireCacheView(top_image);
3812 bottom_view=AcquireCacheView(bottom_image);
3813 for (x=0; x < (ssize_t) smush_image->columns; x++)
3815 for (y=(ssize_t) top_image->rows-1; y > 0; y--)
3817 p=GetCacheViewVirtualPixels(top_view,top_geometry.x+x,y,1,1,exception);
3818 if ((p == (const Quantum *) NULL) ||
3819 (GetPixelAlpha(top_image,p) != TransparentAlpha) ||
3820 ((top_image->rows-y-1) >= gap))
3823 i=(ssize_t) top_image->rows-y-1;
3824 for (y=0; y < (ssize_t) bottom_image->rows; y++)
3826 p=GetCacheViewVirtualPixels(bottom_view,bottom_geometry.x+x,y,1,1,
3828 if ((p == (const Quantum *) NULL) ||
3829 (GetPixelAlpha(bottom_image,p) != TransparentAlpha) ||
3830 ((y+i) >= (ssize_t) gap))
3833 if ((y+i) < (ssize_t) gap)
3836 bottom_view=DestroyCacheView(bottom_view);
3837 top_view=DestroyCacheView(top_view);
3838 if (x < (ssize_t) smush_image->columns)
3840 return((ssize_t) gap-offset);
3843 MagickExport Image *SmushImages(const Image *images,
3844 const MagickBooleanType stack,const ssize_t offset,ExceptionInfo *exception)
3846 #define SmushImageTag "Smush/Image"
3868 register const Image
3881 Compute maximum area of smushed area.
3883 assert(images != (Image *) NULL);
3884 assert(images->signature == MagickSignature);
3885 if (images->debug != MagickFalse)
3886 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3887 assert(exception != (ExceptionInfo *) NULL);
3888 assert(exception->signature == MagickSignature);
3892 width=image->columns;
3894 next=GetNextImageInList(image);
3895 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
3897 if (next->matte != MagickFalse)
3900 if (stack != MagickFalse)
3902 if (next->columns > width)
3903 width=next->columns;
3905 if (next->previous != (Image *) NULL)
3909 width+=next->columns;
3910 if (next->previous != (Image *) NULL)
3912 if (next->rows > height)
3918 smush_image=CloneImage(image,width,height,MagickTrue,exception);
3919 if (smush_image == (Image *) NULL)
3920 return((Image *) NULL);
3921 if (SetImageStorageClass(smush_image,DirectClass,exception) == MagickFalse)
3923 smush_image=DestroyImage(smush_image);
3924 return((Image *) NULL);
3926 smush_image->matte=matte;
3927 (void) SetImageBackgroundColor(smush_image);
3931 smush_view=AcquireCacheView(smush_image);
3932 for (n=0; n < (MagickOffsetType) number_images; n++)
3934 SetGeometry(smush_image,&geometry);
3935 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
3936 if (stack != MagickFalse)
3938 x_offset-=geometry.x;
3939 y_offset-=SmushYGap(smush_image,image,offset,exception);
3943 x_offset-=SmushXGap(smush_image,image,offset,exception);
3944 y_offset-=geometry.y;
3946 status=CompositeImage(smush_image,OverCompositeOp,image,x_offset,y_offset);
3947 proceed=SetImageProgress(image,SmushImageTag,n,number_images);
3948 if (proceed == MagickFalse)
3950 if (stack == MagickFalse)
3952 x_offset+=(ssize_t) image->columns;
3958 y_offset+=(ssize_t) image->rows;
3960 image=GetNextImageInList(image);
3962 if (stack == MagickFalse)
3963 smush_image->columns=(size_t) x_offset;
3965 smush_image->rows=(size_t) y_offset;
3966 smush_view=DestroyCacheView(smush_view);
3967 if (status == MagickFalse)
3968 smush_image=DestroyImage(smush_image);
3969 return(smush_image);
3973 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3977 % S t r i p I m a g e %
3981 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3983 % StripImage() strips an image of all profiles and comments.
3985 % The format of the StripImage method is:
3987 % MagickBooleanType StripImage(Image *image)
3989 % A description of each parameter follows:
3991 % o image: the image.
3994 MagickExport MagickBooleanType StripImage(Image *image)
3996 assert(image != (Image *) NULL);
3997 if (image->debug != MagickFalse)
3998 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3999 DestroyImageProfiles(image);
4000 (void) DeleteImageProperty(image,"comment");
4001 (void) DeleteImageProperty(image,"date:create");
4002 (void) DeleteImageProperty(image,"date:modify");
4003 (void) SetImageArtifact(image,"png:include-chunk","none,trns,gama");
4008 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4012 + S y n c I m a g e %
4016 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4018 % SyncImage() initializes the red, green, and blue intensities of each pixel
4019 % as defined by the colormap index.
4021 % The format of the SyncImage method is:
4023 % MagickBooleanType SyncImage(Image *image)
4025 % A description of each parameter follows:
4027 % o image: the image.
4031 static inline Quantum PushColormapIndex(Image *image,
4032 const size_t index,MagickBooleanType *range_exception)
4034 if (index < image->colors)
4035 return((Quantum) index);
4036 *range_exception=MagickTrue;
4037 return((Quantum) 0);
4040 MagickExport MagickBooleanType SyncImage(Image *image)
4055 assert(image != (Image *) NULL);
4056 if (image->debug != MagickFalse)
4057 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
4058 assert(image->signature == MagickSignature);
4059 if (image->storage_class == DirectClass)
4060 return(MagickFalse);
4061 range_exception=MagickFalse;
4063 exception=(&image->exception);
4064 image_view=AcquireCacheView(image);
4065 #if defined(MAGICKCORE_OPENMP_SUPPORT)
4066 #pragma omp parallel for schedule(dynamic,4) shared(status)
4068 for (y=0; y < (ssize_t) image->rows; y++)
4079 if (status == MagickFalse)
4081 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
4082 if (q == (Quantum *) NULL)
4087 for (x=0; x < (ssize_t) image->columns; x++)
4089 index=PushColormapIndex(image,(size_t) GetPixelIndex(image,q),
4091 SetPixelPacket(image,image->colormap+(ssize_t) index,q);
4092 q+=GetPixelChannels(image);
4094 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
4097 image_view=DestroyCacheView(image_view);
4098 if (range_exception != MagickFalse)
4099 (void) ThrowMagickException(&image->exception,GetMagickModule(),
4100 CorruptImageError,"InvalidColormapIndex","`%s'",image->filename);
4105 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4109 % S y n c I m a g e S e t t i n g s %
4113 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
4115 % SyncImageSettings() sync the image info options to the image.
4117 % The format of the SyncImageSettings method is:
4119 % MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
4121 % MagickBooleanType SyncImagesSettings(const ImageInfo *image_info,
4124 % A description of each parameter follows:
4126 % o image_info: the image info.
4128 % o image: the image.
4132 MagickExport MagickBooleanType SyncImagesSettings(ImageInfo *image_info,
4138 assert(image_info != (const ImageInfo *) NULL);
4139 assert(image_info->signature == MagickSignature);
4140 assert(images != (Image *) NULL);
4141 assert(images->signature == MagickSignature);
4142 if (images->debug != MagickFalse)
4143 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
4145 for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
4146 (void) SyncImageSettings(image_info,image);
4147 (void) DeleteImageOption(image_info,"page");
4151 MagickExport MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
4155 property[MaxTextExtent];
4173 assert(image_info != (const ImageInfo *) NULL);
4174 assert(image_info->signature == MagickSignature);
4175 assert(image != (Image *) NULL);
4176 assert(image->signature == MagickSignature);
4177 if (image->debug != MagickFalse)
4178 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
4179 option=GetImageOption(image_info,"background");
4180 if (option != (const char *) NULL)
4181 (void) QueryColorDatabase(option,&image->background_color,
4183 option=GetImageOption(image_info,"bias");
4184 if (option != (const char *) NULL)
4185 image->bias=SiPrefixToDouble(option,QuantumRange);
4186 option=GetImageOption(image_info,"black-point-compensation");
4187 if (option != (const char *) NULL)
4188 image->black_point_compensation=(MagickBooleanType) ParseCommandOption(
4189 MagickBooleanOptions,MagickFalse,option);
4190 option=GetImageOption(image_info,"blue-primary");
4191 if (option != (const char *) NULL)
4193 flags=ParseGeometry(option,&geometry_info);
4194 image->chromaticity.blue_primary.x=geometry_info.rho;
4195 image->chromaticity.blue_primary.y=geometry_info.sigma;
4196 if ((flags & SigmaValue) == 0)
4197 image->chromaticity.blue_primary.y=image->chromaticity.blue_primary.x;
4199 option=GetImageOption(image_info,"bordercolor");
4200 if (option != (const char *) NULL)
4201 (void) QueryColorDatabase(option,&image->border_color,&image->exception);
4202 option=GetImageOption(image_info,"colors");
4203 if (option != (const char *) NULL)
4204 image->colors=StringToUnsignedLong(option);
4205 option=GetImageOption(image_info,"compose");
4206 if (option != (const char *) NULL)
4207 image->compose=(CompositeOperator) ParseCommandOption(MagickComposeOptions,
4208 MagickFalse,option);
4209 option=GetImageOption(image_info,"compress");
4210 if (option != (const char *) NULL)
4211 image->compression=(CompressionType) ParseCommandOption(
4212 MagickCompressOptions,MagickFalse,option);
4213 option=GetImageOption(image_info,"debug");
4214 if (option != (const char *) NULL)
4215 image->debug=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
4216 MagickFalse,option);
4217 option=GetImageOption(image_info,"density");
4218 if (option != (const char *) NULL)
4226 flags=ParseGeometry(option,&geometry_info);
4227 image->x_resolution=geometry_info.rho;
4228 image->y_resolution=geometry_info.sigma;
4229 if ((flags & SigmaValue) == 0)
4230 image->y_resolution=image->x_resolution;
4232 option=GetImageOption(image_info,"depth");
4233 if (option != (const char *) NULL)
4234 image->depth=StringToUnsignedLong(option);
4235 option=GetImageOption(image_info,"endian");
4236 if (option != (const char *) NULL)
4237 image->endian=(EndianType) ParseCommandOption(MagickEndianOptions,
4238 MagickFalse,option);
4239 option=GetImageOption(image_info,"filter");
4240 if (option != (const char *) NULL)
4241 image->filter=(FilterTypes) ParseCommandOption(MagickFilterOptions,
4242 MagickFalse,option);
4243 option=GetImageOption(image_info,"fuzz");
4244 if (option != (const char *) NULL)
4245 image->fuzz=SiPrefixToDouble(option,QuantumRange);
4246 option=GetImageOption(image_info,"gravity");
4247 if (option != (const char *) NULL)
4248 image->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
4249 MagickFalse,option);
4250 option=GetImageOption(image_info,"green-primary");
4251 if (option != (const char *) NULL)
4253 flags=ParseGeometry(option,&geometry_info);
4254 image->chromaticity.green_primary.x=geometry_info.rho;
4255 image->chromaticity.green_primary.y=geometry_info.sigma;
4256 if ((flags & SigmaValue) == 0)
4257 image->chromaticity.green_primary.y=image->chromaticity.green_primary.x;
4259 option=GetImageOption(image_info,"intent");
4260 if (option != (const char *) NULL)
4261 image->rendering_intent=(RenderingIntent) ParseCommandOption(
4262 MagickIntentOptions,MagickFalse,option);
4263 option=GetImageOption(image_info,"interlace");
4264 if (option != (const char *) NULL)
4265 image->interlace=(InterlaceType) ParseCommandOption(MagickInterlaceOptions,
4266 MagickFalse,option);
4267 option=GetImageOption(image_info,"interpolate");
4268 if (option != (const char *) NULL)
4269 image->interpolate=(PixelInterpolateMethod) ParseCommandOption(
4270 MagickInterpolateOptions,MagickFalse,option);
4271 option=GetImageOption(image_info,"loop");
4272 if (option != (const char *) NULL)
4273 image->iterations=StringToUnsignedLong(option);
4274 option=GetImageOption(image_info,"mattecolor");
4275 if (option != (const char *) NULL)
4276 (void) QueryColorDatabase(option,&image->matte_color,&image->exception);
4277 option=GetImageOption(image_info,"orient");
4278 if (option != (const char *) NULL)
4279 image->orientation=(OrientationType) ParseCommandOption(
4280 MagickOrientationOptions,MagickFalse,option);
4281 option=GetImageOption(image_info,"page");
4282 if (option != (const char *) NULL)
4287 geometry=GetPageGeometry(option);
4288 flags=ParseAbsoluteGeometry(geometry,&image->page);
4289 geometry=DestroyString(geometry);
4291 option=GetImageOption(image_info,"quality");
4292 if (option != (const char *) NULL)
4293 image->quality=StringToUnsignedLong(option);
4294 option=GetImageOption(image_info,"red-primary");
4295 if (option != (const char *) NULL)
4297 flags=ParseGeometry(option,&geometry_info);
4298 image->chromaticity.red_primary.x=geometry_info.rho;
4299 image->chromaticity.red_primary.y=geometry_info.sigma;
4300 if ((flags & SigmaValue) == 0)
4301 image->chromaticity.red_primary.y=image->chromaticity.red_primary.x;
4303 if (image_info->quality != UndefinedCompressionQuality)
4304 image->quality=image_info->quality;
4305 option=GetImageOption(image_info,"scene");
4306 if (option != (const char *) NULL)
4307 image->scene=StringToUnsignedLong(option);
4308 option=GetImageOption(image_info,"taint");
4309 if (option != (const char *) NULL)
4310 image->taint=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
4311 MagickFalse,option);
4312 option=GetImageOption(image_info,"tile-offset");
4313 if (option != (const char *) NULL)
4318 geometry=GetPageGeometry(option);
4319 flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
4320 geometry=DestroyString(geometry);
4322 option=GetImageOption(image_info,"transparent-color");
4323 if (option != (const char *) NULL)
4324 (void) QueryColorDatabase(option,&image->transparent_color,
4326 option=GetImageOption(image_info,"type");
4327 if (option != (const char *) NULL)
4328 image->type=(ImageType) ParseCommandOption(MagickTypeOptions,MagickFalse,
4330 option=GetImageOption(image_info,"units");
4331 if (option != (const char *) NULL)
4332 units=(ResolutionType) ParseCommandOption(MagickResolutionOptions,
4333 MagickFalse,option);
4335 units = image_info->units;
4336 if (units != UndefinedResolution)
4338 if (image->units != units)
4339 switch (image->units)
4341 case PixelsPerInchResolution:
4343 if (units == PixelsPerCentimeterResolution)
4345 image->x_resolution/=2.54;
4346 image->y_resolution/=2.54;
4350 case PixelsPerCentimeterResolution:
4352 if (units == PixelsPerInchResolution)
4354 image->x_resolution=(double) ((size_t) (100.0*2.54*
4355 image->x_resolution+0.5))/100.0;
4356 image->y_resolution=(double) ((size_t) (100.0*2.54*
4357 image->y_resolution+0.5))/100.0;
4366 option=GetImageOption(image_info,"white-point");
4367 if (option != (const char *) NULL)
4369 flags=ParseGeometry(option,&geometry_info);
4370 image->chromaticity.white_point.x=geometry_info.rho;
4371 image->chromaticity.white_point.y=geometry_info.sigma;
4372 if ((flags & SigmaValue) == 0)
4373 image->chromaticity.white_point.y=image->chromaticity.white_point.x;
4375 ResetImageOptionIterator(image_info);
4376 for (option=GetNextImageOption(image_info); option != (const char *) NULL; )
4378 value=GetImageOption(image_info,option);
4379 if (value != (const char *) NULL)
4381 (void) FormatLocaleString(property,MaxTextExtent,"%s",option);
4382 (void) SetImageArtifact(image,property,value);
4384 option=GetNextImageOption(image_info);