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 1999-2014 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/resource_.h"
87 #include "MagickCore/segment.h"
88 #include "MagickCore/semaphore.h"
89 #include "MagickCore/signature-private.h"
90 #include "MagickCore/statistic.h"
91 #include "MagickCore/string_.h"
92 #include "MagickCore/string-private.h"
93 #include "MagickCore/thread-private.h"
94 #include "MagickCore/threshold.h"
95 #include "MagickCore/timer.h"
96 #include "MagickCore/token.h"
97 #include "MagickCore/utility.h"
98 #include "MagickCore/utility-private.h"
99 #include "MagickCore/version.h"
100 #include "MagickCore/xwindow-private.h"
103 Constant declaration.
106 BackgroundColor[] = "#ffffff", /* white */
107 BorderColor[] = "#dfdfdf", /* gray */
108 DefaultTileFrame[] = "15x15+3+3",
109 DefaultTileGeometry[] = "120x120+4+3>",
110 DefaultTileLabel[] = "%f\n%G\n%b",
111 ForegroundColor[] = "#000", /* black */
112 LoadImageTag[] = "Load/Image",
113 LoadImagesTag[] = "Load/Images",
114 MatteColor[] = "#bdbdbd", /* gray */
115 PSDensityGeometry[] = "72.0x72.0",
116 PSPageGeometry[] = "612x792",
117 SaveImageTag[] = "Save/Image",
118 SaveImagesTag[] = "Save/Images",
119 TransparentColor[] = "#00000000"; /* transparent black */
122 DefaultResolution = 72.0;
125 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
129 % A c q u i r e I m a g e %
133 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
135 % AcquireImage() returns a pointer to an image structure initialized to
138 % The format of the AcquireImage method is:
140 % Image *AcquireImage(const ImageInfo *image_info,ExceptionInfo *exception)
142 % A description of each parameter follows:
144 % o image_info: Many of the image default values are set from this
145 % structure. For example, filename, compression, depth, background color,
148 % o exception: return any errors or warnings in this structure.
151 MagickExport Image *AcquireImage(const ImageInfo *image_info,
152 ExceptionInfo *exception)
164 Allocate image structure.
166 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
167 image=(Image *) AcquireMagickMemory(sizeof(*image));
168 if (image == (Image *) NULL)
169 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
170 (void) ResetMagickMemory(image,0,sizeof(*image));
172 Initialize Image structure.
174 (void) CopyMagickString(image->magick,"MIFF",MaxTextExtent);
175 image->storage_class=DirectClass;
176 image->depth=MAGICKCORE_QUANTUM_DEPTH;
177 image->colorspace=sRGBColorspace;
178 image->rendering_intent=PerceptualIntent;
179 image->gamma=1.000f/2.200f;
180 image->chromaticity.red_primary.x=0.6400f;
181 image->chromaticity.red_primary.y=0.3300f;
182 image->chromaticity.red_primary.z=0.0300f;
183 image->chromaticity.green_primary.x=0.3000f;
184 image->chromaticity.green_primary.y=0.6000f;
185 image->chromaticity.green_primary.z=0.1000f;
186 image->chromaticity.blue_primary.x=0.1500f;
187 image->chromaticity.blue_primary.y=0.0600f;
188 image->chromaticity.blue_primary.z=0.7900f;
189 image->chromaticity.white_point.x=0.3127f;
190 image->chromaticity.white_point.y=0.3290f;
191 image->chromaticity.white_point.z=0.3583f;
192 image->interlace=NoInterlace;
193 image->ticks_per_second=UndefinedTicksPerSecond;
194 image->compose=OverCompositeOp;
195 (void) QueryColorCompliance(BackgroundColor,AllCompliance,
196 &image->background_color,exception);
197 (void) QueryColorCompliance(BorderColor,AllCompliance,&image->border_color,
199 (void) QueryColorCompliance(MatteColor,AllCompliance,&image->matte_color,
201 (void) QueryColorCompliance(TransparentColor,AllCompliance,
202 &image->transparent_color,exception);
203 GetTimerInfo(&image->timer);
204 image->cache=AcquirePixelCache(0);
205 image->channel_mask=DefaultChannels;
206 image->channel_map=AcquirePixelChannelMap();
207 image->blob=CloneBlobInfo((BlobInfo *) NULL);
208 image->timestamp=time((time_t *) NULL);
209 image->debug=IsEventLogging();
210 image->reference_count=1;
211 image->semaphore=AllocateSemaphoreInfo();
212 image->signature=MagickSignature;
213 if (image_info == (ImageInfo *) NULL)
218 SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue :
220 (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent);
221 (void) CopyMagickString(image->magick_filename,image_info->filename,
223 (void) CopyMagickString(image->magick,image_info->magick,MaxTextExtent);
224 if (image_info->size != (char *) NULL)
226 (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info);
227 image->columns=image->extract_info.width;
228 image->rows=image->extract_info.height;
229 image->offset=image->extract_info.x;
230 image->extract_info.x=0;
231 image->extract_info.y=0;
233 if (image_info->extract != (char *) NULL)
238 flags=ParseAbsoluteGeometry(image_info->extract,&geometry);
239 if (((flags & XValue) != 0) || ((flags & YValue) != 0))
241 image->extract_info=geometry;
242 Swap(image->columns,image->extract_info.width);
243 Swap(image->rows,image->extract_info.height);
246 image->compression=image_info->compression;
247 image->quality=image_info->quality;
248 image->endian=image_info->endian;
249 image->interlace=image_info->interlace;
250 image->units=image_info->units;
251 if (image_info->density != (char *) NULL)
256 flags=ParseGeometry(image_info->density,&geometry_info);
257 image->resolution.x=geometry_info.rho;
258 image->resolution.y=geometry_info.sigma;
259 if ((flags & SigmaValue) == 0)
260 image->resolution.y=image->resolution.x;
262 if (image_info->page != (char *) NULL)
267 image->page=image->extract_info;
268 geometry=GetPageGeometry(image_info->page);
269 (void) ParseAbsoluteGeometry(geometry,&image->page);
270 geometry=DestroyString(geometry);
272 if (image_info->depth != 0)
273 image->depth=image_info->depth;
274 image->dither=image_info->dither;
275 image->background_color=image_info->background_color;
276 image->border_color=image_info->border_color;
277 image->matte_color=image_info->matte_color;
278 image->transparent_color=image_info->transparent_color;
279 image->ping=image_info->ping;
280 image->progress_monitor=image_info->progress_monitor;
281 image->client_data=image_info->client_data;
282 if (image_info->cache != (void *) NULL)
283 ClonePixelCacheMethods(image->cache,image_info->cache);
285 Set all global options that map to per-image settings.
287 (void) SyncImageSettings(image_info,image,exception);
289 Global options that are only set for new images.
291 image->image_info=(ImageInfo *) NULL;
292 option=GetImageOption(image_info,"delay");
293 if (option != (const char *) NULL)
298 flags=ParseGeometry(option,&geometry_info);
299 if ((flags & GreaterValue) != 0)
301 if (image->delay > (size_t) floor(geometry_info.rho+0.5))
302 image->delay=(size_t) floor(geometry_info.rho+0.5);
305 if ((flags & LessValue) != 0)
307 if (image->delay < (size_t) floor(geometry_info.rho+0.5))
308 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
311 image->delay=(size_t) floor(geometry_info.rho+0.5);
312 if ((flags & SigmaValue) != 0)
313 image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
315 option=GetImageOption(image_info,"dispose");
316 if (option != (const char *) NULL)
317 image->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
323 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
327 % A c q u i r e I m a g e I n f o %
331 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
333 % AcquireImageInfo() allocates the ImageInfo structure.
335 % The format of the AcquireImageInfo method is:
337 % ImageInfo *AcquireImageInfo(void)
340 MagickExport ImageInfo *AcquireImageInfo(void)
345 image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info));
346 if (image_info == (ImageInfo *) NULL)
347 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
348 GetImageInfo(image_info);
353 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
357 % A c q u i r e N e x t I m a g e %
361 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
363 % AcquireNextImage() initializes the next image in a sequence to
364 % default values. The next member of image points to the newly allocated
365 % image. If there is a memory shortage, next is assigned NULL.
367 % The format of the AcquireNextImage method is:
369 % void AcquireNextImage(const ImageInfo *image_info,Image *image,
370 % ExceptionInfo *exception)
372 % A description of each parameter follows:
374 % o image_info: Many of the image default values are set from this
375 % structure. For example, filename, compression, depth, background color,
378 % o image: the image.
380 % o exception: return any errors or warnings in this structure.
383 MagickExport void AcquireNextImage(const ImageInfo *image_info,Image *image,
384 ExceptionInfo *exception)
387 Allocate image structure.
389 assert(image != (Image *) NULL);
390 assert(image->signature == MagickSignature);
391 if (image->debug != MagickFalse)
392 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
393 image->next=AcquireImage(image_info,exception);
394 if (GetNextImageInList(image) == (Image *) NULL)
396 (void) CopyMagickString(GetNextImageInList(image)->filename,image->filename,
398 if (image_info != (ImageInfo *) NULL)
399 (void) CopyMagickString(GetNextImageInList(image)->filename,
400 image_info->filename,MaxTextExtent);
401 DestroyBlob(GetNextImageInList(image));
402 image->next->blob=ReferenceBlob(image->blob);
403 image->next->endian=image->endian;
404 image->next->scene=image->scene+1;
405 image->next->previous=image;
409 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
413 % A p p e n d I m a g e s %
417 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
419 % AppendImages() takes all images from the current image pointer to the end
420 % of the image list and appends them to each other top-to-bottom if the
421 % stack parameter is true, otherwise left-to-right.
423 % The current gravity setting effects how the image is justified in the
426 % The format of the AppendImages method is:
428 % Image *AppendImages(const Image *images,const MagickBooleanType stack,
429 % ExceptionInfo *exception)
431 % A description of each parameter follows:
433 % o images: the image sequence.
435 % o stack: A value other than 0 stacks the images top-to-bottom.
437 % o exception: return any errors or warnings in this structure.
440 MagickExport Image *AppendImages(const Image *images,
441 const MagickBooleanType stack,ExceptionInfo *exception)
443 #define AppendImageTag "Append/Image"
477 Compute maximum area of appended area.
479 assert(images != (Image *) NULL);
480 assert(images->signature == MagickSignature);
481 if (images->debug != MagickFalse)
482 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
483 assert(exception != (ExceptionInfo *) NULL);
484 assert(exception->signature == MagickSignature);
485 alpha_trait=images->alpha_trait;
487 width=images->columns;
489 next=GetNextImageInList(images);
490 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
492 if (next->alpha_trait == BlendPixelTrait)
493 alpha_trait=BlendPixelTrait;
495 if (stack != MagickFalse)
497 if (next->columns > width)
502 width+=next->columns;
503 if (next->rows > height)
509 append_image=CloneImage(images,width,height,MagickTrue,exception);
510 if (append_image == (Image *) NULL)
511 return((Image *) NULL);
512 if (SetImageStorageClass(append_image,DirectClass,exception) == MagickFalse)
514 append_image=DestroyImage(append_image);
515 return((Image *) NULL);
517 append_image->alpha_trait=alpha_trait;
518 (void) SetImageBackgroundColor(append_image,exception);
523 append_view=AcquireAuthenticCacheView(append_image,exception);
524 for (n=0; n < (MagickOffsetType) number_images; n++)
535 image=CloneImage(next,0,0,MagickTrue,exception);
536 if (image == (Image *) NULL)
538 (void) TransformImageColorspace(image,append_image->colorspace,exception);
539 SetGeometry(append_image,&geometry);
540 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
541 if (stack != MagickFalse)
542 x_offset-=geometry.x;
544 y_offset-=geometry.y;
545 image_view=AcquireVirtualCacheView(image,exception);
546 #if defined(MAGICKCORE_OPENMP_SUPPORT)
547 #pragma omp parallel for schedule(static,4) shared(status) \
548 magick_threads(image,image,image->rows,1)
550 for (y=0; y < (ssize_t) image->rows; y++)
558 register const Quantum
567 if (status == MagickFalse)
569 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
570 q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset,
571 image->columns,1,exception);
572 if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
577 GetPixelInfo(image,&pixel);
578 for (x=0; x < (ssize_t) image->columns; x++)
580 if (GetPixelReadMask(image,p) == 0)
582 SetPixelBackgoundColor(append_image,q);
583 p+=GetPixelChannels(image);
584 q+=GetPixelChannels(append_image);
587 GetPixelInfoPixel(image,p,&pixel);
588 SetPixelInfoPixel(append_image,&pixel,q);
589 p+=GetPixelChannels(image);
590 q+=GetPixelChannels(append_image);
592 sync=SyncCacheViewAuthenticPixels(append_view,exception);
593 if (sync == MagickFalse)
596 image_view=DestroyCacheView(image_view);
597 if (stack == MagickFalse)
599 x_offset+=(ssize_t) image->columns;
605 y_offset+=(ssize_t) image->rows;
607 image=DestroyImage(image);
608 proceed=SetImageProgress(append_image,AppendImageTag,n,number_images);
609 if (proceed == MagickFalse)
611 next=GetNextImageInList(next);
613 append_view=DestroyCacheView(append_view);
614 if (status == MagickFalse)
615 append_image=DestroyImage(append_image);
616 return(append_image);
620 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
624 % C a t c h I m a g e E x c e p t i o n %
628 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
630 % CatchImageException() returns if no exceptions are found in the image
631 % sequence, otherwise it determines the most severe exception and reports
632 % it as a warning or error depending on the severity.
634 % The format of the CatchImageException method is:
636 % ExceptionType CatchImageException(Image *image)
638 % A description of each parameter follows:
640 % o image: An image sequence.
643 MagickExport ExceptionType CatchImageException(Image *image)
651 assert(image != (const Image *) NULL);
652 assert(image->signature == MagickSignature);
653 if (image->debug != MagickFalse)
654 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
655 exception=AcquireExceptionInfo();
656 CatchException(exception);
657 severity=exception->severity;
658 exception=DestroyExceptionInfo(exception);
663 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
667 % C l i p I m a g e P a t h %
671 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
673 % ClipImagePath() sets the image clip mask based any clipping path information
676 % The format of the ClipImagePath method is:
678 % MagickBooleanType ClipImagePath(Image *image,const char *pathname,
679 % const MagickBooleanType inside,ExceptionInfo *exception)
681 % A description of each parameter follows:
683 % o image: the image.
685 % o pathname: name of clipping path resource. If name is preceded by #, use
686 % clipping path numbered by name.
688 % o inside: if non-zero, later operations take effect inside clipping path.
689 % Otherwise later operations take effect outside clipping path.
691 % o exception: return any errors or warnings in this structure.
695 MagickExport MagickBooleanType ClipImage(Image *image,ExceptionInfo *exception)
697 return(ClipImagePath(image,"#1",MagickTrue,exception));
700 MagickExport MagickBooleanType ClipImagePath(Image *image,const char *pathname,
701 const MagickBooleanType inside,ExceptionInfo *exception)
703 #define ClipImagePathTag "ClipPath/Image"
717 assert(image != (const Image *) NULL);
718 assert(image->signature == MagickSignature);
719 if (image->debug != MagickFalse)
720 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
721 assert(pathname != NULL);
722 property=AcquireString(pathname);
723 (void) FormatLocaleString(property,MaxTextExtent,"8BIM:1999,2998:%s",
725 value=GetImageProperty(image,property,exception);
726 property=DestroyString(property);
727 if (value == (const char *) NULL)
729 ThrowFileException(exception,OptionError,"NoClipPathDefined",
733 image_info=AcquireImageInfo();
734 (void) CopyMagickString(image_info->filename,image->filename,MaxTextExtent);
735 (void) ConcatenateMagickString(image_info->filename,pathname,MaxTextExtent);
736 clip_mask=BlobToImage(image_info,value,strlen(value),exception);
737 image_info=DestroyImageInfo(image_info);
738 if (clip_mask == (Image *) NULL)
740 if (clip_mask->storage_class == PseudoClass)
742 (void) SyncImage(clip_mask,exception);
743 if (SetImageStorageClass(clip_mask,DirectClass,exception) == MagickFalse)
746 if (inside == MagickFalse)
747 (void) NegateImage(clip_mask,MagickFalse,exception);
748 (void) FormatLocaleString(clip_mask->magick_filename,MaxTextExtent,
749 "8BIM:1999,2998:%s\nPS",pathname);
750 (void) SetImageMask(image,clip_mask,exception);
751 clip_mask=DestroyImage(clip_mask);
756 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
760 % C l o n e I m a g e %
764 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
766 % CloneImage() copies an image and returns the copy as a new image object.
768 % If the specified columns and rows is 0, an exact copy of the image is
769 % returned, otherwise the pixel data is undefined and must be initialized
770 % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On
771 % failure, a NULL image is returned and exception describes the reason for the
774 % The format of the CloneImage method is:
776 % Image *CloneImage(const Image *image,const size_t columns,
777 % const size_t rows,const MagickBooleanType orphan,
778 % ExceptionInfo *exception)
780 % A description of each parameter follows:
782 % o image: the image.
784 % o columns: the number of columns in the cloned image.
786 % o rows: the number of rows in the cloned image.
788 % o detach: With a value other than 0, the cloned image is detached from
789 % its parent I/O stream.
791 % o exception: return any errors or warnings in this structure.
794 MagickExport Image *CloneImage(const Image *image,const size_t columns,
795 const size_t rows,const MagickBooleanType detach,ExceptionInfo *exception)
809 assert(image != (const Image *) NULL);
810 assert(image->signature == MagickSignature);
811 if (image->debug != MagickFalse)
812 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
813 assert(exception != (ExceptionInfo *) NULL);
814 assert(exception->signature == MagickSignature);
815 clone_image=(Image *) AcquireMagickMemory(sizeof(*clone_image));
816 if (clone_image == (Image *) NULL)
817 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
818 (void) ResetMagickMemory(clone_image,0,sizeof(*clone_image));
819 clone_image->signature=MagickSignature;
820 clone_image->storage_class=image->storage_class;
821 clone_image->number_channels=image->number_channels;
822 clone_image->number_meta_channels=image->number_meta_channels;
823 clone_image->metacontent_extent=image->metacontent_extent;
824 clone_image->colorspace=image->colorspace;
825 clone_image->read_mask=image->read_mask;
826 clone_image->write_mask=image->write_mask;
827 clone_image->alpha_trait=image->alpha_trait;
828 clone_image->columns=image->columns;
829 clone_image->rows=image->rows;
830 clone_image->dither=image->dither;
831 if (image->colormap != (PixelInfo *) NULL)
834 Allocate and copy the image colormap.
836 clone_image->colors=image->colors;
837 length=(size_t) image->colors;
838 clone_image->colormap=(PixelInfo *) AcquireQuantumMemory(length,
839 sizeof(*clone_image->colormap));
840 if (clone_image->colormap == (PixelInfo *) NULL)
841 ThrowImageException(ResourceLimitError,"MemoryAllocationFailed");
842 (void) CopyMagickMemory(clone_image->colormap,image->colormap,length*
843 sizeof(*clone_image->colormap));
845 (void) CloneImageProfiles(clone_image,image);
846 (void) CloneImageProperties(clone_image,image);
847 (void) CloneImageArtifacts(clone_image,image);
848 GetTimerInfo(&clone_image->timer);
849 if (image->ascii85 != (void *) NULL)
850 Ascii85Initialize(clone_image);
851 clone_image->magick_columns=image->magick_columns;
852 clone_image->magick_rows=image->magick_rows;
853 clone_image->type=image->type;
854 clone_image->channel_mask=image->channel_mask;
855 clone_image->channel_map=ClonePixelChannelMap(image->channel_map);
856 (void) CopyMagickString(clone_image->magick_filename,image->magick_filename,
858 (void) CopyMagickString(clone_image->magick,image->magick,MaxTextExtent);
859 (void) CopyMagickString(clone_image->filename,image->filename,MaxTextExtent);
860 clone_image->progress_monitor=image->progress_monitor;
861 clone_image->client_data=image->client_data;
862 clone_image->reference_count=1;
863 clone_image->next=image->next;
864 clone_image->previous=image->previous;
865 clone_image->list=NewImageList();
866 if (detach == MagickFalse)
867 clone_image->blob=ReferenceBlob(image->blob);
870 clone_image->next=NewImageList();
871 clone_image->previous=NewImageList();
872 clone_image->blob=CloneBlobInfo((BlobInfo *) NULL);
874 clone_image->ping=image->ping;
875 clone_image->debug=IsEventLogging();
876 clone_image->semaphore=AllocateSemaphoreInfo();
877 if ((columns == 0) && (rows == 0))
879 if (image->montage != (char *) NULL)
880 (void) CloneString(&clone_image->montage,image->montage);
881 if (image->directory != (char *) NULL)
882 (void) CloneString(&clone_image->directory,image->directory);
883 clone_image->cache=ReferencePixelCache(image->cache);
886 scale=(double) columns/(double) image->columns;
887 clone_image->page.width=(size_t) floor(scale*image->page.width+0.5);
888 clone_image->page.x=(ssize_t) ceil(scale*image->page.x-0.5);
889 clone_image->tile_offset.x=(ssize_t) ceil(scale*image->tile_offset.x-0.5);
890 scale=(double) rows/(double) image->rows;
891 clone_image->page.height=(size_t) floor(scale*image->page.height+0.5);
892 clone_image->page.y=(ssize_t) ceil(scale*image->page.y-0.5);
893 clone_image->tile_offset.y=(ssize_t) ceil(scale*image->tile_offset.y-0.5);
894 clone_image->columns=columns;
895 clone_image->rows=rows;
896 clone_image->cache=ClonePixelCache(image->cache);
902 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
906 % C l o n e I m a g e I n f o %
910 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
912 % CloneImageInfo() makes a copy of the given image info structure. If
913 % NULL is specified, a new image info structure is created initialized to
916 % The format of the CloneImageInfo method is:
918 % ImageInfo *CloneImageInfo(const ImageInfo *image_info)
920 % A description of each parameter follows:
922 % o image_info: the image info.
925 MagickExport ImageInfo *CloneImageInfo(const ImageInfo *image_info)
930 clone_info=AcquireImageInfo();
931 if (image_info == (ImageInfo *) NULL)
933 clone_info->compression=image_info->compression;
934 clone_info->temporary=image_info->temporary;
935 clone_info->adjoin=image_info->adjoin;
936 clone_info->antialias=image_info->antialias;
937 clone_info->scene=image_info->scene;
938 clone_info->number_scenes=image_info->number_scenes;
939 clone_info->depth=image_info->depth;
940 (void) CloneString(&clone_info->size,image_info->size);
941 (void) CloneString(&clone_info->extract,image_info->extract);
942 (void) CloneString(&clone_info->scenes,image_info->scenes);
943 (void) CloneString(&clone_info->page,image_info->page);
944 clone_info->interlace=image_info->interlace;
945 clone_info->endian=image_info->endian;
946 clone_info->units=image_info->units;
947 clone_info->quality=image_info->quality;
948 (void) CloneString(&clone_info->sampling_factor,image_info->sampling_factor);
949 (void) CloneString(&clone_info->server_name,image_info->server_name);
950 (void) CloneString(&clone_info->font,image_info->font);
951 (void) CloneString(&clone_info->texture,image_info->texture);
952 (void) CloneString(&clone_info->density,image_info->density);
953 clone_info->pointsize=image_info->pointsize;
954 clone_info->fuzz=image_info->fuzz;
955 clone_info->background_color=image_info->background_color;
956 clone_info->border_color=image_info->border_color;
957 clone_info->matte_color=image_info->matte_color;
958 clone_info->transparent_color=image_info->transparent_color;
959 clone_info->dither=image_info->dither;
960 clone_info->monochrome=image_info->monochrome;
961 clone_info->colorspace=image_info->colorspace;
962 clone_info->type=image_info->type;
963 clone_info->orientation=image_info->orientation;
964 clone_info->preview_type=image_info->preview_type;
965 clone_info->group=image_info->group;
966 clone_info->ping=image_info->ping;
967 clone_info->verbose=image_info->verbose;
968 (void) CloneString(&clone_info->view,image_info->view);
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 (void) CopyMagickString(clone_info->magick,image_info->magick,MaxTextExtent);
981 (void) CopyMagickString(clone_info->unique,image_info->unique,MaxTextExtent);
982 (void) CopyMagickString(clone_info->zero,image_info->zero,MaxTextExtent);
983 (void) CopyMagickString(clone_info->filename,image_info->filename,
985 clone_info->channel=image_info->channel;
986 (void) CloneImageOptions(clone_info,image_info);
987 clone_info->debug=IsEventLogging();
988 clone_info->signature=image_info->signature;
993 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
997 % D e s t r o y I m a g e %
1001 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1003 % DestroyImage() dereferences an image, deallocating memory associated with
1004 % the image if the reference count becomes zero.
1006 % The format of the DestroyImage method is:
1008 % Image *DestroyImage(Image *image)
1010 % A description of each parameter follows:
1012 % o image: the image.
1015 MagickExport Image *DestroyImage(Image *image)
1023 assert(image != (Image *) NULL);
1024 assert(image->signature == MagickSignature);
1025 if (image->debug != MagickFalse)
1026 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1027 destroy=MagickFalse;
1028 LockSemaphoreInfo(image->semaphore);
1029 image->reference_count--;
1030 if (image->reference_count == 0)
1032 UnlockSemaphoreInfo(image->semaphore);
1033 if (destroy == MagickFalse)
1034 return((Image *) NULL);
1038 DestroyImagePixels(image);
1039 image->channel_map=DestroyPixelChannelMap(image->channel_map);
1040 if (image->montage != (char *) NULL)
1041 image->montage=DestroyString(image->montage);
1042 if (image->directory != (char *) NULL)
1043 image->directory=DestroyString(image->directory);
1044 if (image->colormap != (PixelInfo *) NULL)
1045 image->colormap=(PixelInfo *) RelinquishMagickMemory(image->colormap);
1046 if (image->geometry != (char *) NULL)
1047 image->geometry=DestroyString(image->geometry);
1048 DestroyImageProfiles(image);
1049 DestroyImageProperties(image);
1050 DestroyImageArtifacts(image);
1051 if (image->ascii85 != (Ascii85Info*) NULL)
1052 image->ascii85=(Ascii85Info *) RelinquishMagickMemory(image->ascii85);
1054 if (image->semaphore != (SemaphoreInfo *) NULL)
1055 DestroySemaphoreInfo(&image->semaphore);
1056 image->signature=(~MagickSignature);
1057 image=(Image *) RelinquishMagickMemory(image);
1062 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1066 % D e s t r o y I m a g e I n f o %
1070 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1072 % DestroyImageInfo() deallocates memory associated with an ImageInfo
1075 % The format of the DestroyImageInfo method is:
1077 % ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1079 % A description of each parameter follows:
1081 % o image_info: the image info.
1084 MagickExport ImageInfo *DestroyImageInfo(ImageInfo *image_info)
1086 assert(image_info != (ImageInfo *) NULL);
1087 assert(image_info->signature == MagickSignature);
1088 if (image_info->debug != MagickFalse)
1089 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
1090 image_info->filename);
1091 if (image_info->size != (char *) NULL)
1092 image_info->size=DestroyString(image_info->size);
1093 if (image_info->extract != (char *) NULL)
1094 image_info->extract=DestroyString(image_info->extract);
1095 if (image_info->scenes != (char *) NULL)
1096 image_info->scenes=DestroyString(image_info->scenes);
1097 if (image_info->page != (char *) NULL)
1098 image_info->page=DestroyString(image_info->page);
1099 if (image_info->sampling_factor != (char *) NULL)
1100 image_info->sampling_factor=DestroyString(
1101 image_info->sampling_factor);
1102 if (image_info->server_name != (char *) NULL)
1103 image_info->server_name=DestroyString(
1104 image_info->server_name);
1105 if (image_info->font != (char *) NULL)
1106 image_info->font=DestroyString(image_info->font);
1107 if (image_info->texture != (char *) NULL)
1108 image_info->texture=DestroyString(image_info->texture);
1109 if (image_info->density != (char *) NULL)
1110 image_info->density=DestroyString(image_info->density);
1111 if (image_info->view != (char *) NULL)
1112 image_info->view=DestroyString(image_info->view);
1113 if (image_info->cache != (void *) NULL)
1114 image_info->cache=DestroyPixelCache(image_info->cache);
1115 if (image_info->profile != (StringInfo *) NULL)
1116 image_info->profile=(void *) DestroyStringInfo((StringInfo *)
1117 image_info->profile);
1118 DestroyImageOptions(image_info);
1119 image_info->signature=(~MagickSignature);
1120 image_info=(ImageInfo *) RelinquishMagickMemory(image_info);
1125 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1129 + D i s a s s o c i a t e I m a g e S t r e a m %
1133 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1135 % DisassociateImageStream() disassociates the image stream.
1137 % The format of the DisassociateImageStream method is:
1139 % MagickBooleanType DisassociateImageStream(const Image *image)
1141 % A description of each parameter follows:
1143 % o image: the image.
1146 MagickExport void DisassociateImageStream(Image *image)
1148 assert(image != (const Image *) NULL);
1149 assert(image->signature == MagickSignature);
1150 if (image->debug != MagickFalse)
1151 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1152 (void) DetachBlob(image->blob);
1156 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1160 % G e t I m a g e I n f o %
1164 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1166 % GetImageInfo() initializes image_info to default values.
1168 % The format of the GetImageInfo method is:
1170 % void GetImageInfo(ImageInfo *image_info)
1172 % A description of each parameter follows:
1174 % o image_info: the image info.
1177 MagickExport void GetImageInfo(ImageInfo *image_info)
1186 File and image dimension members.
1188 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1189 assert(image_info != (ImageInfo *) NULL);
1190 (void) ResetMagickMemory(image_info,0,sizeof(*image_info));
1191 image_info->adjoin=MagickTrue;
1192 image_info->interlace=NoInterlace;
1193 image_info->channel=DefaultChannels;
1194 image_info->quality=UndefinedCompressionQuality;
1195 image_info->antialias=MagickTrue;
1196 image_info->dither=MagickTrue;
1197 synchronize=GetEnvironmentValue("MAGICK_SYNCHRONIZE");
1198 if (synchronize != (const char *) NULL)
1200 image_info->synchronize=IsStringTrue(synchronize);
1201 synchronize=DestroyString(synchronize);
1203 exception=AcquireExceptionInfo();
1204 (void) QueryColorCompliance(BackgroundColor,AllCompliance,
1205 &image_info->background_color,exception);
1206 (void) QueryColorCompliance(BorderColor,AllCompliance,
1207 &image_info->border_color,exception);
1208 (void) QueryColorCompliance(MatteColor,AllCompliance,&image_info->matte_color,
1210 (void) QueryColorCompliance(TransparentColor,AllCompliance,
1211 &image_info->transparent_color,exception);
1212 exception=DestroyExceptionInfo(exception);
1213 image_info->debug=IsEventLogging();
1214 image_info->signature=MagickSignature;
1218 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1222 % G e t I m a g e I n f o F i l e %
1226 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1228 % GetImageInfoFile() returns the image info file member.
1230 % The format of the GetImageInfoFile method is:
1232 % FILE *GetImageInfoFile(const ImageInfo *image_info)
1234 % A description of each parameter follows:
1236 % o image_info: the image info.
1239 MagickExport FILE *GetImageInfoFile(const ImageInfo *image_info)
1241 return(image_info->file);
1245 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1249 % G e t I m a g e M a s k %
1253 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1255 % GetImageMask() returns the mask associated with the image.
1257 % The format of the GetImageMask method is:
1259 % Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1261 % A description of each parameter follows:
1263 % o image: the image.
1266 MagickExport Image *GetImageMask(const Image *image,ExceptionInfo *exception)
1284 assert(image != (Image *) NULL);
1285 if (image->debug != MagickFalse)
1286 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1287 assert(image->signature == MagickSignature);
1288 mask_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception);
1289 if (mask_image == (Image *) NULL)
1290 return((Image *) NULL);
1292 (void) SetImageColorspace(mask_image,GRAYColorspace,exception);
1293 mask_image->read_mask=MagickFalse;
1294 image_view=AcquireVirtualCacheView(image,exception);
1295 mask_view=AcquireAuthenticCacheView(mask_image,exception);
1296 for (y=0; y < (ssize_t) image->rows; y++)
1298 register const Quantum
1307 if (status == MagickFalse)
1309 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1310 q=GetCacheViewAuthenticPixels(mask_view,0,y,mask_image->columns,1,
1312 if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
1317 for (x=0; x < (ssize_t) image->columns; x++)
1319 SetPixelGray(mask_image,GetPixelReadMask(image,p),q);
1320 p+=GetPixelChannels(image);
1321 q+=GetPixelChannels(mask_image);
1323 if (SyncCacheViewAuthenticPixels(mask_view,exception) == MagickFalse)
1326 mask_view=DestroyCacheView(mask_view);
1327 image_view=DestroyCacheView(image_view);
1328 if (status == MagickFalse)
1329 mask_image=DestroyImage(mask_image);
1334 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1338 + G e t I m a g e R e f e r e n c e C o u n t %
1342 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1344 % GetImageReferenceCount() returns the image reference count.
1346 % The format of the GetReferenceCount method is:
1348 % ssize_t GetImageReferenceCount(Image *image)
1350 % A description of each parameter follows:
1352 % o image: the image.
1355 MagickExport ssize_t GetImageReferenceCount(Image *image)
1360 assert(image != (Image *) NULL);
1361 assert(image->signature == MagickSignature);
1362 if (image->debug != MagickFalse)
1363 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1364 LockSemaphoreInfo(image->semaphore);
1365 reference_count=image->reference_count;
1366 UnlockSemaphoreInfo(image->semaphore);
1367 return(reference_count);
1371 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1375 % 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 %
1379 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1381 % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the
1382 % image. A virtual pixel is any pixel access that is outside the boundaries
1383 % of the image cache.
1385 % The format of the GetImageVirtualPixelMethod() method is:
1387 % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1389 % A description of each parameter follows:
1391 % o image: the image.
1394 MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image)
1396 assert(image != (Image *) NULL);
1397 assert(image->signature == MagickSignature);
1398 if (image->debug != MagickFalse)
1399 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1400 return(GetPixelCacheVirtualMethod(image));
1404 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1408 % I n t e r p r e t I m a g e F i l e n a m e %
1412 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1414 % InterpretImageFilename() interprets embedded characters in an image filename.
1415 % The filename length is returned.
1417 % The format of the InterpretImageFilename method is:
1419 % size_t InterpretImageFilename(const ImageInfo *image_info,Image *image,
1420 % const char *format,int value,char *filename,ExceptionInfo *exception)
1422 % A description of each parameter follows.
1424 % o image_info: the image info..
1426 % o image: the image.
1428 % o format: A filename describing the format to use to write the numeric
1429 % argument. Only the first numeric format identifier is replaced.
1431 % o value: Numeric value to substitute into format filename.
1433 % o filename: return the formatted filename in this character buffer.
1435 % o exception: return any errors or warnings in this structure.
1438 MagickExport size_t InterpretImageFilename(const ImageInfo *image_info,
1439 Image *image,const char *format,int value,char *filename,
1440 ExceptionInfo *exception)
1457 canonical=MagickFalse;
1459 (void) CopyMagickString(filename,format,MaxTextExtent);
1460 for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%'))
1473 value=(ssize_t) strtol(q,&q,10);
1485 (void) FormatLocaleString(filename+(p-format),(size_t) (MaxTextExtent-
1486 (p-format)),p,value);
1488 (void) ConcatenateMagickString(filename,q,MaxTextExtent);
1489 canonical=MagickTrue;
1498 pattern[MaxTextExtent];
1515 /* FUTURE: Compare update with code from InterpretImageProperties()
1516 Note that a 'filename:' property should not need depth recursion.
1518 if (strchr(p,']') == (char *) NULL)
1522 for (i=0; (i < (MaxTextExtent-1L)) && (*r != '\0'); i++)
1533 if (LocaleNCompare(pattern,"filename:",9) != 0)
1535 value=(const char *) NULL;
1537 // FUTURE: remove this code. -- Anthony 29 Arpil 2012
1538 // Removed as GetMagickProperty() will will never match a "filename:"
1539 // string as this is not a 'known' image property.
1541 if ((image_info != (const ImageInfo *) NULL) &&
1542 (image != (const Image *) NULL))
1543 value=GetMagickProperty(image_info,image,pattern,exception);
1546 if (image != (Image *) NULL)
1547 value=GetImageProperty(image,pattern,exception);
1548 if ((value == (const char *) NULL) && (image != (Image *) NULL))
1549 value=GetImageArtifact(image,pattern);
1550 if ((value == (const char *) NULL) &&
1551 (image_info != (ImageInfo *) NULL))
1552 value=GetImageOption(image_info,pattern);
1553 if (value == (const char *) NULL)
1558 (void) CopyMagickString(filename+(p-format-length),value,(size_t)
1559 (MaxTextExtent-(p-format-length)));
1560 length+=strlen(pattern)-1;
1562 (void) ConcatenateMagickString(filename,r+1,MaxTextExtent);
1563 canonical=MagickTrue;
1573 for (q=filename; *q != '\0'; q++)
1574 if ((*q == '%') && (*(q+1) == '%'))
1576 (void) CopyMagickString(q,q+1,(size_t) (MaxTextExtent-(q-filename)));
1577 canonical=MagickTrue;
1579 if (canonical == MagickFalse)
1580 (void) CopyMagickString(filename,format,MaxTextExtent);
1581 return(strlen(filename));
1585 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1589 % I s H i g h D y n a m i c R a n g e I m a g e %
1593 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1595 % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is
1596 % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16
1599 % The format of the IsHighDynamicRangeImage method is:
1601 % MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1602 % ExceptionInfo *exception)
1604 % A description of each parameter follows:
1606 % o image: the image.
1608 % o exception: return any errors or warnings in this structure.
1611 MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image,
1612 ExceptionInfo *exception)
1614 #if !defined(MAGICKCORE_HDRI_SUPPORT)
1617 return(MagickFalse);
1628 assert(image != (Image *) NULL);
1629 assert(image->signature == MagickSignature);
1630 if (image->debug != MagickFalse)
1631 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1633 image_view=AcquireVirtualCacheView(image,exception);
1634 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1635 #pragma omp parallel for schedule(static,4) shared(status) \
1636 magick_threads(image,image,image->rows,1)
1638 for (y=0; y < (ssize_t) image->rows; y++)
1640 register const Quantum
1646 if (status == MagickFalse)
1648 p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
1649 if (p == (const Quantum *) NULL)
1654 for (x=0; x < (ssize_t) image->columns; x++)
1659 if (GetPixelReadMask(image,p) == 0)
1661 p+=GetPixelChannels(image);
1664 for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
1672 traits=GetPixelChannelTraits(image,(PixelChannel) i);
1673 if (traits == UndefinedPixelTrait)
1675 pixel=(double) p[i];
1676 if ((pixel < 0.0) || (pixel > QuantumRange) ||
1677 (pixel != (double) ((QuantumAny) pixel)))
1680 p+=GetPixelChannels(image);
1681 if (i < (ssize_t) GetPixelChannels(image))
1684 if (x < (ssize_t) image->columns)
1687 image_view=DestroyCacheView(image_view);
1688 return(status != MagickFalse ? MagickFalse : MagickTrue);
1693 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1697 % I s I m a g e O b j e c t %
1701 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1703 % IsImageObject() returns MagickTrue if the image sequence contains a valid
1704 % set of image objects.
1706 % The format of the IsImageObject method is:
1708 % MagickBooleanType IsImageObject(const Image *image)
1710 % A description of each parameter follows:
1712 % o image: the image.
1715 MagickExport MagickBooleanType IsImageObject(const Image *image)
1717 register const Image
1720 assert(image != (Image *) NULL);
1721 if (image->debug != MagickFalse)
1722 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1723 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1724 if (p->signature != MagickSignature)
1725 return(MagickFalse);
1730 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1734 % I s T a i n t I m a g e %
1738 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1740 % IsTaintImage() returns MagickTrue any pixel in the image has been altered
1741 % since it was first constituted.
1743 % The format of the IsTaintImage method is:
1745 % MagickBooleanType IsTaintImage(const Image *image)
1747 % A description of each parameter follows:
1749 % o image: the image.
1752 MagickExport MagickBooleanType IsTaintImage(const Image *image)
1755 magick[MaxTextExtent],
1756 filename[MaxTextExtent];
1758 register const Image
1761 assert(image != (Image *) NULL);
1762 if (image->debug != MagickFalse)
1763 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1764 assert(image->signature == MagickSignature);
1765 (void) CopyMagickString(magick,image->magick,MaxTextExtent);
1766 (void) CopyMagickString(filename,image->filename,MaxTextExtent);
1767 for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
1769 if (p->taint != MagickFalse)
1771 if (LocaleCompare(p->magick,magick) != 0)
1773 if (LocaleCompare(p->filename,filename) != 0)
1776 return(MagickFalse);
1780 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1784 % M o d i f y I m a g e %
1788 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1790 % ModifyImage() ensures that there is only a single reference to the image
1791 % to be modified, updating the provided image pointer to point to a clone of
1792 % the original image if necessary.
1794 % The format of the ModifyImage method is:
1796 % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception)
1798 % A description of each parameter follows:
1800 % o image: the image.
1802 % o exception: return any errors or warnings in this structure.
1805 MagickExport MagickBooleanType ModifyImage(Image **image,
1806 ExceptionInfo *exception)
1811 assert(image != (Image **) NULL);
1812 assert(*image != (Image *) NULL);
1813 assert((*image)->signature == MagickSignature);
1814 if ((*image)->debug != MagickFalse)
1815 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename);
1816 if (GetImageReferenceCount(*image) <= 1)
1818 clone_image=CloneImage(*image,0,0,MagickTrue,exception);
1819 LockSemaphoreInfo((*image)->semaphore);
1820 (*image)->reference_count--;
1821 UnlockSemaphoreInfo((*image)->semaphore);
1827 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1831 % N e w M a g i c k I m a g e %
1835 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1837 % NewMagickImage() creates a blank image canvas of the specified size and
1840 % The format of the NewMagickImage method is:
1842 % Image *NewMagickImage(const ImageInfo *image_info,
1843 % const size_t width,const size_t height,const PixelInfo *background,
1844 % ExceptionInfo *exception)
1846 % A description of each parameter follows:
1848 % o image: the image.
1850 % o width: the image width.
1852 % o height: the image height.
1854 % o background: the image color.
1856 % o exception: return any errors or warnings in this structure.
1859 MagickExport Image *NewMagickImage(const ImageInfo *image_info,
1860 const size_t width,const size_t height,const PixelInfo *background,
1861 ExceptionInfo *exception)
1875 assert(image_info != (const ImageInfo *) NULL);
1876 if (image_info->debug != MagickFalse)
1877 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1878 assert(image_info->signature == MagickSignature);
1879 assert(background != (const PixelInfo *) NULL);
1880 image=AcquireImage(image_info,exception);
1881 image->columns=width;
1883 image->colorspace=background->colorspace;
1884 image->alpha_trait=background->alpha_trait;
1885 image->fuzz=background->fuzz;
1886 image->depth=background->depth;
1888 image_view=AcquireAuthenticCacheView(image,exception);
1889 #if defined(MAGICKCORE_OPENMP_SUPPORT)
1890 #pragma omp parallel for schedule(static,4) shared(status) \
1891 magick_threads(image,image,image->rows,1)
1893 for (y=0; y < (ssize_t) image->rows; y++)
1901 if (status == MagickFalse)
1903 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
1904 if (q == (Quantum *) NULL)
1909 for (x=0; x < (ssize_t) image->columns; x++)
1911 SetPixelInfoPixel(image,background,q);
1912 q+=GetPixelChannels(image);
1914 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
1917 image_view=DestroyCacheView(image_view);
1918 if (status == MagickFalse)
1919 image=DestroyImage(image);
1924 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1928 % R e f e r e n c e I m a g e %
1932 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1934 % ReferenceImage() increments the reference count associated with an image
1935 % returning a pointer to the image.
1937 % The format of the ReferenceImage method is:
1939 % Image *ReferenceImage(Image *image)
1941 % A description of each parameter follows:
1943 % o image: the image.
1946 MagickExport Image *ReferenceImage(Image *image)
1948 assert(image != (Image *) NULL);
1949 if (image->debug != MagickFalse)
1950 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
1951 assert(image->signature == MagickSignature);
1952 LockSemaphoreInfo(image->semaphore);
1953 image->reference_count++;
1954 UnlockSemaphoreInfo(image->semaphore);
1959 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1963 % R e s e t I m a g e P a g e %
1967 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1969 % ResetImagePage() resets the image page canvas and position.
1971 % The format of the ResetImagePage method is:
1973 % MagickBooleanType ResetImagePage(Image *image,const char *page)
1975 % A description of each parameter follows:
1977 % o image: the image.
1979 % o page: the relative page specification.
1982 MagickExport MagickBooleanType ResetImagePage(Image *image,const char *page)
1990 assert(image != (Image *) NULL);
1991 assert(image->signature == MagickSignature);
1992 if (image->debug != MagickFalse)
1993 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1994 flags=ParseAbsoluteGeometry(page,&geometry);
1995 if ((flags & WidthValue) != 0)
1997 if ((flags & HeightValue) == 0)
1998 geometry.height=geometry.width;
1999 image->page.width=geometry.width;
2000 image->page.height=geometry.height;
2002 if ((flags & AspectValue) != 0)
2004 if ((flags & XValue) != 0)
2005 image->page.x+=geometry.x;
2006 if ((flags & YValue) != 0)
2007 image->page.y+=geometry.y;
2011 if ((flags & XValue) != 0)
2013 image->page.x=geometry.x;
2014 if ((image->page.width == 0) && (geometry.x > 0))
2015 image->page.width=image->columns+geometry.x;
2017 if ((flags & YValue) != 0)
2019 image->page.y=geometry.y;
2020 if ((image->page.height == 0) && (geometry.y > 0))
2021 image->page.height=image->rows+geometry.y;
2028 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2032 % S e t I m a g e B a c k g r o u n d C o l o r %
2036 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2038 % SetImageBackgroundColor() initializes the image pixels to the image
2039 % background color. The background color is defined by the background_color
2040 % member of the image structure.
2042 % The format of the SetImage method is:
2044 % MagickBooleanType SetImageBackgroundColor(Image *image,
2045 % ExceptionInfo *exception)
2047 % A description of each parameter follows:
2049 % o image: the image.
2051 % o exception: return any errors or warnings in this structure.
2054 MagickExport MagickBooleanType SetImageBackgroundColor(Image *image,
2055 ExceptionInfo *exception)
2066 assert(image != (Image *) NULL);
2067 if (image->debug != MagickFalse)
2068 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2069 assert(image->signature == MagickSignature);
2070 if (SetImageStorageClass(image,DirectClass,exception) == MagickFalse)
2071 return(MagickFalse);
2072 if ((IsPixelInfoGray(&image->background_color) == MagickFalse) &&
2073 (IsGrayColorspace(image->colorspace) != MagickFalse))
2074 (void) TransformImageColorspace(image,sRGBColorspace,exception);
2075 if ((image->background_color.alpha_trait == BlendPixelTrait) &&
2076 (image->alpha_trait != BlendPixelTrait))
2077 (void) SetImageAlpha(image,OpaqueAlpha,exception);
2079 Set image background color.
2082 image_view=AcquireAuthenticCacheView(image,exception);
2083 for (y=0; y < (ssize_t) image->rows; y++)
2091 if (status == MagickFalse)
2093 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2094 if (q == (Quantum *) NULL)
2099 for (x=0; x < (ssize_t) image->columns; x++)
2101 SetPixelInfoPixel(image,&image->background_color,q);
2102 q+=GetPixelChannels(image);
2104 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2107 image_view=DestroyCacheView(image_view);
2112 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2116 % S e t I m a g e C h a n n e l M a s k %
2120 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2122 % SetImageChannelMask() sets the image channel mask from the specified channel
2125 % The format of the SetImageChannelMask method is:
2127 % ChannelType SetImageChannelMask(Image *image,
2128 % const ChannelType channel_mask)
2130 % A description of each parameter follows:
2132 % o image: the image.
2134 % o channel_mask: the channel mask.
2137 MagickExport ChannelType SetImageChannelMask(Image *image,
2138 const ChannelType channel_mask)
2143 mask=image->channel_mask;
2144 image->channel_mask=channel_mask;
2145 SetPixelChannelMask(image,channel_mask);
2150 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2154 % S e t I m a g e C o l o r %
2158 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2160 % SetImageColor() set the entire image canvas to the specified color.
2162 % The format of the SetImageColor method is:
2164 % MagickBooleanType SetImageColor(Image *image,const PixelInfo *color,
2165 % ExeptionInfo *exception)
2167 % A description of each parameter follows:
2169 % o image: the image.
2171 % o background: the image color.
2173 % o exception: return any errors or warnings in this structure.
2176 MagickExport MagickBooleanType SetImageColor(Image *image,
2177 const PixelInfo *color,ExceptionInfo *exception)
2188 assert(image != (Image *) NULL);
2189 if (image->debug != MagickFalse)
2190 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2191 assert(image->signature == MagickSignature);
2192 assert(color != (const PixelInfo *) NULL);
2193 image->colorspace=color->colorspace;
2194 image->alpha_trait=color->alpha_trait;
2195 image->fuzz=color->fuzz;
2196 image->depth=color->depth;
2198 image_view=AcquireAuthenticCacheView(image,exception);
2199 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2200 #pragma omp parallel for schedule(static,4) shared(status) \
2201 magick_threads(image,image,image->rows,1)
2203 for (y=0; y < (ssize_t) image->rows; y++)
2211 if (status == MagickFalse)
2213 q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2214 if (q == (Quantum *) NULL)
2219 for (x=0; x < (ssize_t) image->columns; x++)
2221 SetPixelInfoPixel(image,color,q);
2222 q+=GetPixelChannels(image);
2224 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2227 image_view=DestroyCacheView(image_view);
2232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2236 % S e t I m a g e S t o r a g e C l a s s %
2240 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2242 % SetImageStorageClass() sets the image class: DirectClass for true color
2243 % images or PseudoClass for colormapped images.
2245 % The format of the SetImageStorageClass method is:
2247 % MagickBooleanType SetImageStorageClass(Image *image,
2248 % const ClassType storage_class,ExceptionInfo *exception)
2250 % A description of each parameter follows:
2252 % o image: the image.
2254 % o storage_class: The image class.
2256 % o exception: return any errors or warnings in this structure.
2259 MagickExport MagickBooleanType SetImageStorageClass(Image *image,
2260 const ClassType storage_class,ExceptionInfo *exception)
2262 image->storage_class=storage_class;
2263 return(SyncImagePixelCache(image,exception));
2267 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2271 % S e t I m a g e E x t e n t %
2275 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2277 % SetImageExtent() sets the image size (i.e. columns & rows).
2279 % The format of the SetImageExtent method is:
2281 % MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2282 % const size_t rows,ExceptionInfo *exception)
2284 % A description of each parameter follows:
2286 % o image: the image.
2288 % o columns: The image width in pixels.
2290 % o rows: The image height in pixels.
2292 % o exception: return any errors or warnings in this structure.
2295 MagickExport MagickBooleanType SetImageExtent(Image *image,const size_t columns,
2296 const size_t rows,ExceptionInfo *exception)
2298 if ((columns == 0) || (rows == 0))
2299 return(MagickFalse);
2300 image->columns=columns;
2302 return(SyncImagePixelCache(image,exception));
2306 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2310 + S e t I m a g e I n f o %
2314 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2316 % SetImageInfo() initializes the 'magick' field of the ImageInfo structure.
2317 % It is set to a type of image format based on the prefix or suffix of the
2318 % filename. For example, 'ps:image' returns PS indicating a Postscript image.
2319 % JPEG is returned for this filename: 'image.jpg'. The filename prefix has
2320 % precendence over the suffix. Use an optional index enclosed in brackets
2321 % after a file name to specify a desired scene of a multi-resolution image
2322 % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value
2323 % indicates success.
2325 % The format of the SetImageInfo method is:
2327 % MagickBooleanType SetImageInfo(ImageInfo *image_info,
2328 % const unsigned int frames,ExceptionInfo *exception)
2330 % A description of each parameter follows:
2332 % o image_info: the image info.
2334 % o frames: the number of images you intend to write.
2336 % o exception: return any errors or warnings in this structure.
2339 MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info,
2340 const unsigned int frames,ExceptionInfo *exception)
2343 extension[MaxTextExtent],
2344 filename[MaxTextExtent],
2345 magic[MaxTextExtent],
2347 subimage[MaxTextExtent];
2371 magick[2*MaxTextExtent];
2374 Look for 'image.format' in filename.
2376 assert(image_info != (ImageInfo *) NULL);
2377 assert(image_info->signature == MagickSignature);
2378 if (image_info->debug != MagickFalse)
2379 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2380 image_info->filename);
2382 GetPathComponent(image_info->filename,SubimagePath,subimage);
2383 if (*subimage != '\0')
2386 Look for scene specification (e.g. img0001.pcd[4]).
2388 if (IsSceneGeometry(subimage,MagickFalse) == MagickFalse)
2390 if (IsGeometry(subimage) != MagickFalse)
2391 (void) CloneString(&image_info->extract,subimage);
2399 (void) CloneString(&image_info->scenes,subimage);
2400 image_info->scene=StringToUnsignedLong(image_info->scenes);
2401 image_info->number_scenes=image_info->scene;
2402 p=image_info->scenes;
2403 for (q=(char *) image_info->scenes; *q != '\0'; p++)
2405 while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
2407 first=(size_t) strtol(p,&q,10);
2409 while (isspace((int) ((unsigned char) *q)) != 0)
2412 last=(size_t) strtol(q+1,&q,10);
2415 if (first < image_info->scene)
2416 image_info->scene=first;
2417 if (last > image_info->number_scenes)
2418 image_info->number_scenes=last;
2421 image_info->number_scenes-=image_info->scene-1;
2425 GetPathComponent(image_info->filename,ExtensionPath,extension);
2426 #if defined(MAGICKCORE_ZLIB_DELEGATE)
2427 if (*extension != '\0')
2428 if ((LocaleCompare(extension,"gz") == 0) ||
2429 (LocaleCompare(extension,"Z") == 0) ||
2430 (LocaleCompare(extension,"svgz") == 0) ||
2431 (LocaleCompare(extension,"wmz") == 0))
2434 path[MaxTextExtent];
2436 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
2437 path[strlen(path)-strlen(extension)-1]='\0';
2438 GetPathComponent(path,ExtensionPath,extension);
2441 #if defined(MAGICKCORE_BZLIB_DELEGATE)
2442 if (*extension != '\0')
2443 if (LocaleCompare(extension,"bz2") == 0)
2446 path[MaxTextExtent];
2448 (void) CopyMagickString(path,image_info->filename,MaxTextExtent);
2449 path[strlen(path)-strlen(extension)-1]='\0';
2450 GetPathComponent(path,ExtensionPath,extension);
2453 image_info->affirm=MagickFalse;
2454 sans_exception=AcquireExceptionInfo();
2455 if (*extension != '\0')
2464 *format_type_formats[] =
2487 User specified image format.
2489 (void) CopyMagickString(magic,extension,MaxTextExtent);
2492 Look for explicit image formats.
2494 format_type=UndefinedFormatType;
2496 while ((format_type == UndefinedFormatType) &&
2497 (format_type_formats[i] != (char *) NULL))
2499 if ((*magic == *format_type_formats[i]) &&
2500 (LocaleCompare(magic,format_type_formats[i]) == 0))
2501 format_type=ExplicitFormatType;
2504 magick_info=GetMagickInfo(magic,sans_exception);
2505 if ((magick_info != (const MagickInfo *) NULL) &&
2506 (magick_info->format_type != UndefinedFormatType))
2507 format_type=magick_info->format_type;
2508 if (format_type == UndefinedFormatType)
2509 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
2511 if (format_type == ExplicitFormatType)
2513 image_info->affirm=MagickTrue;
2514 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
2516 if (LocaleCompare(magic,"RGB") == 0)
2517 image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */
2520 Look for explicit 'format:image' in filename.
2523 GetPathComponent(image_info->filename,MagickPath,magic);
2525 (void) CopyMagickString(magic,image_info->magick,MaxTextExtent);
2529 User specified image format.
2532 if (IsMagickConflict(magic) == MagickFalse)
2534 (void) CopyMagickString(image_info->magick,magic,MaxTextExtent);
2535 if (LocaleCompare(magic,"EPHEMERAL") != 0)
2536 image_info->affirm=MagickTrue;
2538 image_info->temporary=MagickTrue;
2541 magick_info=GetMagickInfo(magic,sans_exception);
2542 sans_exception=DestroyExceptionInfo(sans_exception);
2543 if ((magick_info == (const MagickInfo *) NULL) ||
2544 (GetMagickEndianSupport(magick_info) == MagickFalse))
2545 image_info->endian=UndefinedEndian;
2546 GetPathComponent(image_info->filename,CanonicalPath,filename);
2547 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
2548 if ((image_info->adjoin != MagickFalse) && (frames > 1))
2551 Test for multiple image support (e.g. image%02d.png).
2553 (void) InterpretImageFilename(image_info,(Image *) NULL,
2554 image_info->filename,(int) image_info->scene,filename,exception);
2555 if ((LocaleCompare(filename,image_info->filename) != 0) &&
2556 (strchr(filename,'%') == (char *) NULL))
2557 image_info->adjoin=MagickFalse;
2559 if ((image_info->adjoin != MagickFalse) && (frames > 0))
2562 Some image formats do not support multiple frames per file.
2564 magick_info=GetMagickInfo(magic,exception);
2565 if (magick_info != (const MagickInfo *) NULL)
2566 if (GetMagickAdjoin(magick_info) == MagickFalse)
2567 image_info->adjoin=MagickFalse;
2569 if (image_info->affirm != MagickFalse)
2574 Determine the image format from the first few bytes of the file.
2576 image=AcquireImage(image_info,exception);
2577 (void) CopyMagickString(image->filename,image_info->filename,
2579 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
2580 if (status == MagickFalse)
2582 image=DestroyImage(image);
2583 return(MagickFalse);
2585 if ((IsBlobSeekable(image) == MagickFalse) ||
2586 (IsBlobExempt(image) != MagickFalse))
2589 Copy standard input or pipe to temporary file.
2592 status=ImageToFile(image,filename,exception);
2593 (void) CloseBlob(image);
2594 if (status == MagickFalse)
2596 image=DestroyImage(image);
2597 return(MagickFalse);
2599 SetImageInfoFile(image_info,(FILE *) NULL);
2600 (void) CopyMagickString(image->filename,filename,MaxTextExtent);
2601 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
2602 if (status == MagickFalse)
2604 image=DestroyImage(image);
2605 return(MagickFalse);
2607 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
2608 image_info->temporary=MagickTrue;
2610 (void) ResetMagickMemory(magick,0,sizeof(magick));
2611 count=ReadBlob(image,2*MaxTextExtent,magick);
2612 (void) SeekBlob(image,-((MagickOffsetType) count),SEEK_CUR);
2613 (void) CloseBlob(image);
2614 image=DestroyImage(image);
2616 Check magic.xml configuration file.
2618 sans_exception=AcquireExceptionInfo();
2619 magic_info=GetMagicInfo(magick,(size_t) count,sans_exception);
2620 if ((magic_info != (const MagicInfo *) NULL) &&
2621 (GetMagicName(magic_info) != (char *) NULL))
2623 (void) CopyMagickString(image_info->magick,GetMagicName(magic_info),
2625 magick_info=GetMagickInfo(image_info->magick,sans_exception);
2626 if ((magick_info == (const MagickInfo *) NULL) ||
2627 (GetMagickEndianSupport(magick_info) == MagickFalse))
2628 image_info->endian=UndefinedEndian;
2629 sans_exception=DestroyExceptionInfo(sans_exception);
2632 magick_info=GetMagickInfo(image_info->magick,sans_exception);
2633 if ((magick_info == (const MagickInfo *) NULL) ||
2634 (GetMagickEndianSupport(magick_info) == MagickFalse))
2635 image_info->endian=UndefinedEndian;
2636 sans_exception=DestroyExceptionInfo(sans_exception);
2642 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2646 % S e t I m a g e I n f o B l o b %
2650 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2652 % SetImageInfoBlob() sets the image info blob member.
2654 % The format of the SetImageInfoBlob method is:
2656 % void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
2657 % const size_t length)
2659 % A description of each parameter follows:
2661 % o image_info: the image info.
2665 % o length: the blob length.
2668 MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob,
2669 const size_t length)
2671 assert(image_info != (ImageInfo *) NULL);
2672 assert(image_info->signature == MagickSignature);
2673 if (image_info->debug != MagickFalse)
2674 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2675 image_info->filename);
2676 image_info->blob=(void *) blob;
2677 image_info->length=length;
2681 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2685 % S e t I m a g e I n f o F i l e %
2689 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2691 % SetImageInfoFile() sets the image info file member.
2693 % The format of the SetImageInfoFile method is:
2695 % void SetImageInfoFile(ImageInfo *image_info,FILE *file)
2697 % A description of each parameter follows:
2699 % o image_info: the image info.
2704 MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file)
2706 assert(image_info != (ImageInfo *) NULL);
2707 assert(image_info->signature == MagickSignature);
2708 if (image_info->debug != MagickFalse)
2709 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
2710 image_info->filename);
2711 image_info->file=file;
2715 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2719 % S e t I m a g e M a s k %
2723 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2725 % SetImageMask() associates a mask with the image. The mask must be the same
2726 % dimensions as the image.
2728 % The format of the SetImageMask method is:
2730 % MagickBooleanType SetImageMask(Image *image,const Image *mask,
2731 % ExceptionInfo *exception)
2733 % A description of each parameter follows:
2735 % o image: the image.
2737 % o mask: the image mask.
2739 % o exception: return any errors or warnings in this structure.
2742 MagickExport MagickBooleanType SetImageMask(Image *image,const Image *mask,
2743 ExceptionInfo *exception)
2758 assert(image != (Image *) NULL);
2759 if (image->debug != MagickFalse)
2760 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2761 assert(image->signature == MagickSignature);
2762 if (mask == (const Image *) NULL)
2764 image->read_mask=MagickFalse;
2765 return(SyncImagePixelCache(image,exception));
2767 image->read_mask=MagickTrue;
2768 if (SyncImagePixelCache(image,exception) == MagickFalse)
2769 return(MagickFalse);
2771 mask_view=AcquireVirtualCacheView(mask,exception);
2772 image_view=AcquireAuthenticCacheView(image,exception);
2773 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2774 #pragma omp parallel for schedule(static,4) shared(status) \
2775 magick_threads(mask,image,1,1)
2777 for (y=0; y < (ssize_t) image->rows; y++)
2779 register const Quantum
2788 if (status == MagickFalse)
2790 p=GetCacheViewVirtualPixels(mask_view,0,y,mask->columns,1,exception);
2791 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2792 if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
2797 for (x=0; x < (ssize_t) image->columns; x++)
2799 SetPixelReadMask(image,ClampToQuantum(GetPixelIntensity(mask,p)),q);
2800 p+=GetPixelChannels(mask);
2801 q+=GetPixelChannels(image);
2803 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2806 mask_view=DestroyCacheView(mask_view);
2807 image_view=DestroyCacheView(image_view);
2812 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2816 % S e t I m a g e A l p h a %
2820 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2822 % SetImageAlpha() sets the alpha levels of the image.
2824 % The format of the SetImageAlpha method is:
2826 % MagickBooleanType SetImageAlpha(Image *image,const Quantum alpha,
2827 % ExceptionInfo *exception)
2829 % A description of each parameter follows:
2831 % o image: the image.
2833 % o Alpha: the level of transparency: 0 is fully opaque and QuantumRange is
2834 % fully transparent.
2837 MagickExport MagickBooleanType SetImageAlpha(Image *image,const Quantum alpha,
2838 ExceptionInfo *exception)
2849 assert(image != (Image *) NULL);
2850 if (image->debug != MagickFalse)
2851 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2852 assert(image->signature == MagickSignature);
2853 image->alpha_trait=BlendPixelTrait;
2855 image_view=AcquireAuthenticCacheView(image,exception);
2856 #if defined(MAGICKCORE_OPENMP_SUPPORT)
2857 #pragma omp parallel for schedule(static,4) shared(status) \
2858 magick_threads(image,image,image->rows,1)
2860 for (y=0; y < (ssize_t) image->rows; y++)
2868 if (status == MagickFalse)
2870 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
2871 if (q == (Quantum *) NULL)
2876 for (x=0; x < (ssize_t) image->columns; x++)
2878 SetPixelAlpha(image,alpha,q);
2879 q+=GetPixelChannels(image);
2881 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
2884 image_view=DestroyCacheView(image_view);
2889 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2893 % 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 %
2897 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2899 % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the
2900 % image and returns the previous setting. A virtual pixel is any pixel access
2901 % that is outside the boundaries of the image cache.
2903 % The format of the SetImageVirtualPixelMethod() method is:
2905 % VirtualPixelMethod SetImageVirtualPixelMethod(Image *image,
2906 % const VirtualPixelMethod virtual_pixel_method,ExceptionInfo *exception)
2908 % A description of each parameter follows:
2910 % o image: the image.
2912 % o virtual_pixel_method: choose the type of virtual pixel.
2914 % o exception: return any errors or warnings in this structure.
2917 MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(Image *image,
2918 const VirtualPixelMethod virtual_pixel_method,ExceptionInfo *exception)
2920 assert(image != (const Image *) NULL);
2921 assert(image->signature == MagickSignature);
2922 if (image->debug != MagickFalse)
2923 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
2924 return(SetPixelCacheVirtualMethod(image,virtual_pixel_method,exception));
2928 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2932 % S m u s h I m a g e s %
2936 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2938 % SmushImages() takes all images from the current image pointer to the end
2939 % of the image list and smushes them to each other top-to-bottom if the
2940 % stack parameter is true, otherwise left-to-right.
2942 % The current gravity setting now effects how the image is justified in the
2945 % The format of the SmushImages method is:
2947 % Image *SmushImages(const Image *images,const MagickBooleanType stack,
2948 % ExceptionInfo *exception)
2950 % A description of each parameter follows:
2952 % o images: the image sequence.
2954 % o stack: A value other than 0 stacks the images top-to-bottom.
2956 % o offset: minimum distance in pixels between images.
2958 % o exception: return any errors or warnings in this structure.
2962 static ssize_t SmushXGap(const Image *smush_image,const Image *images,
2963 const ssize_t offset,ExceptionInfo *exception)
2977 register const Quantum
2990 if (images->previous == (Image *) NULL)
2993 SetGeometry(smush_image,&right_geometry);
2994 GravityAdjustGeometry(right_image->columns,right_image->rows,
2995 right_image->gravity,&right_geometry);
2996 left_image=images->previous;
2997 SetGeometry(smush_image,&left_geometry);
2998 GravityAdjustGeometry(left_image->columns,left_image->rows,
2999 left_image->gravity,&left_geometry);
3000 gap=right_image->columns;
3001 left_view=AcquireVirtualCacheView(left_image,exception);
3002 right_view=AcquireVirtualCacheView(right_image,exception);
3003 for (y=0; y < (ssize_t) smush_image->rows; y++)
3005 for (x=(ssize_t) left_image->columns-1; x > 0; x--)
3007 p=GetCacheViewVirtualPixels(left_view,x,left_geometry.y+y,1,1,exception);
3008 if ((p == (const Quantum *) NULL) ||
3009 (GetPixelAlpha(left_image,p) != TransparentAlpha) ||
3010 ((left_image->columns-x-1) >= gap))
3013 i=(ssize_t) left_image->columns-x-1;
3014 for (x=0; x < (ssize_t) right_image->columns; x++)
3016 p=GetCacheViewVirtualPixels(right_view,x,right_geometry.y+y,1,1,
3018 if ((p == (const Quantum *) NULL) ||
3019 (GetPixelAlpha(right_image,p) != TransparentAlpha) ||
3020 ((x+i) >= (ssize_t) gap))
3023 if ((x+i) < (ssize_t) gap)
3026 right_view=DestroyCacheView(right_view);
3027 left_view=DestroyCacheView(left_view);
3028 if (y < (ssize_t) smush_image->rows)
3030 return((ssize_t) gap-offset);
3033 static ssize_t SmushYGap(const Image *smush_image,const Image *images,
3034 const ssize_t offset,ExceptionInfo *exception)
3048 register const Quantum
3061 if (images->previous == (Image *) NULL)
3063 bottom_image=images;
3064 SetGeometry(smush_image,&bottom_geometry);
3065 GravityAdjustGeometry(bottom_image->columns,bottom_image->rows,
3066 bottom_image->gravity,&bottom_geometry);
3067 top_image=images->previous;
3068 SetGeometry(smush_image,&top_geometry);
3069 GravityAdjustGeometry(top_image->columns,top_image->rows,top_image->gravity,
3071 gap=bottom_image->rows;
3072 top_view=AcquireVirtualCacheView(top_image,exception);
3073 bottom_view=AcquireVirtualCacheView(bottom_image,exception);
3074 for (x=0; x < (ssize_t) smush_image->columns; x++)
3076 for (y=(ssize_t) top_image->rows-1; y > 0; y--)
3078 p=GetCacheViewVirtualPixels(top_view,top_geometry.x+x,y,1,1,exception);
3079 if ((p == (const Quantum *) NULL) ||
3080 (GetPixelAlpha(top_image,p) != TransparentAlpha) ||
3081 ((top_image->rows-y-1) >= gap))
3084 i=(ssize_t) top_image->rows-y-1;
3085 for (y=0; y < (ssize_t) bottom_image->rows; y++)
3087 p=GetCacheViewVirtualPixels(bottom_view,bottom_geometry.x+x,y,1,1,
3089 if ((p == (const Quantum *) NULL) ||
3090 (GetPixelAlpha(bottom_image,p) != TransparentAlpha) ||
3091 ((y+i) >= (ssize_t) gap))
3094 if ((y+i) < (ssize_t) gap)
3097 bottom_view=DestroyCacheView(bottom_view);
3098 top_view=DestroyCacheView(top_view);
3099 if (x < (ssize_t) smush_image->columns)
3101 return((ssize_t) gap-offset);
3104 MagickExport Image *SmushImages(const Image *images,
3105 const MagickBooleanType stack,const ssize_t offset,ExceptionInfo *exception)
3107 #define SmushImageTag "Smush/Image"
3128 register const Image
3141 Compute maximum area of smushed area.
3143 assert(images != (Image *) NULL);
3144 assert(images->signature == MagickSignature);
3145 if (images->debug != MagickFalse)
3146 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3147 assert(exception != (ExceptionInfo *) NULL);
3148 assert(exception->signature == MagickSignature);
3150 alpha_trait=image->alpha_trait;
3152 width=image->columns;
3154 next=GetNextImageInList(image);
3155 for ( ; next != (Image *) NULL; next=GetNextImageInList(next))
3157 if (next->alpha_trait == BlendPixelTrait)
3158 alpha_trait=BlendPixelTrait;
3160 if (stack != MagickFalse)
3162 if (next->columns > width)
3163 width=next->columns;
3165 if (next->previous != (Image *) NULL)
3169 width+=next->columns;
3170 if (next->previous != (Image *) NULL)
3172 if (next->rows > height)
3178 smush_image=CloneImage(image,width,height,MagickTrue,exception);
3179 if (smush_image == (Image *) NULL)
3180 return((Image *) NULL);
3181 if (SetImageStorageClass(smush_image,DirectClass,exception) == MagickFalse)
3183 smush_image=DestroyImage(smush_image);
3184 return((Image *) NULL);
3186 smush_image->alpha_trait=alpha_trait;
3187 (void) SetImageBackgroundColor(smush_image,exception);
3191 for (n=0; n < (MagickOffsetType) number_images; n++)
3193 SetGeometry(smush_image,&geometry);
3194 GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
3195 if (stack != MagickFalse)
3197 x_offset-=geometry.x;
3198 y_offset-=SmushYGap(smush_image,image,offset,exception);
3202 x_offset-=SmushXGap(smush_image,image,offset,exception);
3203 y_offset-=geometry.y;
3205 status=CompositeImage(smush_image,image,OverCompositeOp,MagickTrue,x_offset,
3206 y_offset,exception);
3207 proceed=SetImageProgress(image,SmushImageTag,n,number_images);
3208 if (proceed == MagickFalse)
3210 if (stack == MagickFalse)
3212 x_offset+=(ssize_t) image->columns;
3218 y_offset+=(ssize_t) image->rows;
3220 image=GetNextImageInList(image);
3222 if (stack == MagickFalse)
3223 smush_image->columns=(size_t) x_offset;
3225 smush_image->rows=(size_t) y_offset;
3226 if (status == MagickFalse)
3227 smush_image=DestroyImage(smush_image);
3228 return(smush_image);
3232 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3236 % S t r i p I m a g e %
3240 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3242 % StripImage() strips an image of all profiles and comments.
3244 % The format of the StripImage method is:
3246 % MagickBooleanType StripImage(Image *image,ExceptionInfo *exception)
3248 % A description of each parameter follows:
3250 % o image: the image.
3252 % o exception: return any errors or warnings in this structure.
3255 MagickExport MagickBooleanType StripImage(Image *image,ExceptionInfo *exception)
3260 assert(image != (Image *) NULL);
3261 if (image->debug != MagickFalse)
3262 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3264 DestroyImageProfiles(image);
3265 (void) DeleteImageProperty(image,"comment");
3266 (void) DeleteImageProperty(image,"date:create");
3267 (void) DeleteImageProperty(image,"date:modify");
3268 status=SetImageArtifact(image,"png:include-chunk","none,trns,gama");
3273 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3277 + S y n c I m a g e %
3281 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3283 % SyncImage() initializes the red, green, and blue intensities of each pixel
3284 % as defined by the colormap index.
3286 % The format of the SyncImage method is:
3288 % MagickBooleanType SyncImage(Image *image,ExceptionInfo *exception)
3290 % A description of each parameter follows:
3292 % o image: the image.
3294 % o exception: return any errors or warnings in this structure.
3298 static inline Quantum PushColormapIndex(Image *image,const Quantum index,
3299 MagickBooleanType *range_exception)
3301 if ((size_t) index < image->colors)
3303 *range_exception=MagickTrue;
3304 return((Quantum) 0);
3307 MagickExport MagickBooleanType SyncImage(Image *image,ExceptionInfo *exception)
3319 assert(image != (Image *) NULL);
3320 if (image->debug != MagickFalse)
3321 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
3322 assert(image->signature == MagickSignature);
3323 if (image->storage_class == DirectClass)
3324 return(MagickFalse);
3325 range_exception=MagickFalse;
3327 image_view=AcquireAuthenticCacheView(image,exception);
3328 #if defined(MAGICKCORE_OPENMP_SUPPORT)
3329 #pragma omp parallel for schedule(static,4) shared(range_exception,status) \
3330 magick_threads(image,image,image->rows,1)
3332 for (y=0; y < (ssize_t) image->rows; y++)
3343 if (status == MagickFalse)
3345 q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception);
3346 if (q == (Quantum *) NULL)
3351 for (x=0; x < (ssize_t) image->columns; x++)
3353 index=PushColormapIndex(image,GetPixelIndex(image,q),&range_exception);
3354 SetPixelInfoPixel(image,image->colormap+(ssize_t) index,q);
3355 q+=GetPixelChannels(image);
3357 if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse)
3360 image_view=DestroyCacheView(image_view);
3361 if ((image->ping == MagickFalse) && (range_exception != MagickFalse))
3362 (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError,
3363 "InvalidColormapIndex","`%s'",image->filename);
3368 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3372 % S y n c I m a g e S e t t i n g s %
3376 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3378 % SyncImageSettings() syncs any image_info global options into per-image
3381 % Note: in IMv6 free form 'options' were always mapped into 'artifacts', so
3382 % that operations and coders can find such settings. In IMv7 if a desired
3383 % per-image artifact is not set, then it will directly look for a global
3384 % option as a fallback, as such this copy is no longer needed, only the
3387 % The format of the SyncImageSettings method is:
3389 % MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
3390 % Image *image,ExceptionInfo *exception)
3391 % MagickBooleanType SyncImagesSettings(const ImageInfo *image_info,
3392 % Image *image,ExceptionInfo *exception)
3394 % A description of each parameter follows:
3396 % o image_info: the image info.
3398 % o image: the image.
3400 % o exception: return any errors or warnings in this structure.
3404 MagickExport MagickBooleanType SyncImagesSettings(ImageInfo *image_info,
3405 Image *images,ExceptionInfo *exception)
3410 assert(image_info != (const ImageInfo *) NULL);
3411 assert(image_info->signature == MagickSignature);
3412 assert(images != (Image *) NULL);
3413 assert(images->signature == MagickSignature);
3414 if (images->debug != MagickFalse)
3415 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename);
3417 for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
3418 (void) SyncImageSettings(image_info,image,exception);
3419 (void) DeleteImageOption(image_info,"page");
3423 MagickExport MagickBooleanType SyncImageSettings(const ImageInfo *image_info,
3424 Image *image,ExceptionInfo *exception)
3441 assert(image_info != (const ImageInfo *) NULL);
3442 assert(image_info->signature == MagickSignature);
3443 assert(image != (Image *) NULL);
3444 assert(image->signature == MagickSignature);
3445 if (image->debug != MagickFalse)
3446 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
3447 option=GetImageOption(image_info,"background");
3448 if (option != (const char *) NULL)
3449 (void) QueryColorCompliance(option,AllCompliance,&image->background_color,
3451 option=GetImageOption(image_info,"black-point-compensation");
3452 if (option != (const char *) NULL)
3453 image->black_point_compensation=(MagickBooleanType) ParseCommandOption(
3454 MagickBooleanOptions,MagickFalse,option);
3455 option=GetImageOption(image_info,"blue-primary");
3456 if (option != (const char *) NULL)
3458 flags=ParseGeometry(option,&geometry_info);
3459 image->chromaticity.blue_primary.x=geometry_info.rho;
3460 image->chromaticity.blue_primary.y=geometry_info.sigma;
3461 if ((flags & SigmaValue) == 0)
3462 image->chromaticity.blue_primary.y=image->chromaticity.blue_primary.x;
3464 option=GetImageOption(image_info,"bordercolor");
3465 if (option != (const char *) NULL)
3466 (void) QueryColorCompliance(option,AllCompliance,&image->border_color,
3468 option=GetImageOption(image_info,"channel");
3469 if (option != (const char *) NULL)
3470 (void) SetPixelChannelMask(image,(ChannelType)
3471 ParseChannelOption(option));
3472 /* FUTURE: do not sync compose to per-image compose setting here */
3473 option=GetImageOption(image_info,"compose");
3474 if (option != (const char *) NULL)
3475 image->compose=(CompositeOperator) ParseCommandOption(MagickComposeOptions,
3476 MagickFalse,option);
3478 option=GetImageOption(image_info,"compress");
3479 if (option != (const char *) NULL)
3480 image->compression=(CompressionType) ParseCommandOption(
3481 MagickCompressOptions,MagickFalse,option);
3482 option=GetImageOption(image_info,"debug");
3483 if (option != (const char *) NULL)
3484 image->debug=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
3485 MagickFalse,option);
3486 option=GetImageOption(image_info,"density");
3487 if (option != (const char *) NULL)
3492 flags=ParseGeometry(option,&geometry_info);
3493 image->resolution.x=geometry_info.rho;
3494 image->resolution.y=geometry_info.sigma;
3495 if ((flags & SigmaValue) == 0)
3496 image->resolution.y=image->resolution.x;
3498 option=GetImageOption(image_info,"depth");
3499 if (option != (const char *) NULL)
3500 image->depth=StringToUnsignedLong(option);
3501 option=GetImageOption(image_info,"endian");
3502 if (option != (const char *) NULL)
3503 image->endian=(EndianType) ParseCommandOption(MagickEndianOptions,
3504 MagickFalse,option);
3505 option=GetImageOption(image_info,"filter");
3506 if (option != (const char *) NULL)
3507 image->filter=(FilterTypes) ParseCommandOption(MagickFilterOptions,
3508 MagickFalse,option);
3509 option=GetImageOption(image_info,"fuzz");
3510 if (option != (const char *) NULL)
3511 image->fuzz=StringToDoubleInterval(option,(double) QuantumRange+1.0);
3512 option=GetImageOption(image_info,"gravity");
3513 if (option != (const char *) NULL)
3514 image->gravity=(GravityType) ParseCommandOption(MagickGravityOptions,
3515 MagickFalse,option);
3516 option=GetImageOption(image_info,"green-primary");
3517 if (option != (const char *) NULL)
3519 flags=ParseGeometry(option,&geometry_info);
3520 image->chromaticity.green_primary.x=geometry_info.rho;
3521 image->chromaticity.green_primary.y=geometry_info.sigma;
3522 if ((flags & SigmaValue) == 0)
3523 image->chromaticity.green_primary.y=image->chromaticity.green_primary.x;
3525 option=GetImageOption(image_info,"intent");
3526 if (option != (const char *) NULL)
3527 image->rendering_intent=(RenderingIntent) ParseCommandOption(
3528 MagickIntentOptions,MagickFalse,option);
3529 option=GetImageOption(image_info,"intensity");
3530 if (option != (const char *) NULL)
3531 image->intensity=(PixelIntensityMethod) ParseCommandOption(
3532 MagickPixelIntensityOptions,MagickFalse,option);
3533 option=GetImageOption(image_info,"interlace");
3534 if (option != (const char *) NULL)
3535 image->interlace=(InterlaceType) ParseCommandOption(MagickInterlaceOptions,
3536 MagickFalse,option);
3537 option=GetImageOption(image_info,"interpolate");
3538 if (option != (const char *) NULL)
3539 image->interpolate=(PixelInterpolateMethod) ParseCommandOption(
3540 MagickInterpolateOptions,MagickFalse,option);
3541 option=GetImageOption(image_info,"loop");
3542 if (option != (const char *) NULL)
3543 image->iterations=StringToUnsignedLong(option);
3544 option=GetImageOption(image_info,"mattecolor");
3545 if (option != (const char *) NULL)
3546 (void) QueryColorCompliance(option,AllCompliance,&image->matte_color,
3548 option=GetImageOption(image_info,"orient");
3549 if (option != (const char *) NULL)
3550 image->orientation=(OrientationType) ParseCommandOption(
3551 MagickOrientationOptions,MagickFalse,option);
3552 option=GetImageOption(image_info,"page");
3553 if (option != (const char *) NULL)
3558 geometry=GetPageGeometry(option);
3559 flags=ParseAbsoluteGeometry(geometry,&image->page);
3560 geometry=DestroyString(geometry);
3562 option=GetImageOption(image_info,"quality");
3563 if (option != (const char *) NULL)
3564 image->quality=StringToUnsignedLong(option);
3565 option=GetImageOption(image_info,"red-primary");
3566 if (option != (const char *) NULL)
3568 flags=ParseGeometry(option,&geometry_info);
3569 image->chromaticity.red_primary.x=geometry_info.rho;
3570 image->chromaticity.red_primary.y=geometry_info.sigma;
3571 if ((flags & SigmaValue) == 0)
3572 image->chromaticity.red_primary.y=image->chromaticity.red_primary.x;
3574 if (image_info->quality != UndefinedCompressionQuality)
3575 image->quality=image_info->quality;
3576 option=GetImageOption(image_info,"scene");
3577 if (option != (const char *) NULL)
3578 image->scene=StringToUnsignedLong(option);
3579 option=GetImageOption(image_info,"taint");
3580 if (option != (const char *) NULL)
3581 image->taint=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions,
3582 MagickFalse,option);
3583 option=GetImageOption(image_info,"tile-offset");
3584 if (option != (const char *) NULL)
3589 geometry=GetPageGeometry(option);
3590 flags=ParseAbsoluteGeometry(geometry,&image->tile_offset);
3591 geometry=DestroyString(geometry);
3593 option=GetImageOption(image_info,"transparent-color");
3594 if (option != (const char *) NULL)
3595 (void) QueryColorCompliance(option,AllCompliance,&image->transparent_color,
3597 option=GetImageOption(image_info,"type");
3598 if (option != (const char *) NULL)
3599 image->type=(ImageType) ParseCommandOption(MagickTypeOptions,MagickFalse,
3601 option=GetImageOption(image_info,"units");
3602 units=image_info->units;
3603 if (option != (const char *) NULL)
3604 units=(ResolutionType) ParseCommandOption(MagickResolutionOptions,
3605 MagickFalse,option);
3606 if (units != UndefinedResolution)
3608 if (image->units != units)
3609 switch (image->units)
3611 case PixelsPerInchResolution:
3613 if (units == PixelsPerCentimeterResolution)
3615 image->resolution.x/=2.54;
3616 image->resolution.y/=2.54;
3620 case PixelsPerCentimeterResolution:
3622 if (units == PixelsPerInchResolution)
3624 image->resolution.x=(double) ((size_t) (100.0*2.54*
3625 image->resolution.x+0.5))/100.0;
3626 image->resolution.y=(double) ((size_t) (100.0*2.54*
3627 image->resolution.y+0.5))/100.0;
3636 option=GetImageOption(image_info,"virtual-pixel");
3637 if (option != (const char *) NULL)
3638 (void) SetImageVirtualPixelMethod(image,(VirtualPixelMethod)
3639 ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,option),
3641 option=GetImageOption(image_info,"white-point");
3642 if (option != (const char *) NULL)
3644 flags=ParseGeometry(option,&geometry_info);
3645 image->chromaticity.white_point.x=geometry_info.rho;
3646 image->chromaticity.white_point.y=geometry_info.sigma;
3647 if ((flags & SigmaValue) == 0)
3648 image->chromaticity.white_point.y=image->chromaticity.white_point.x;
3650 ResetImageOptionIterator(image_info);
3653 /* IMv6: Copy freeform global options into per-image artifacts, so
3654 * various operations and coders can access them.
3656 * This has a problem, as per-image artefacts may have been set in
3657 * parenthesis, but may not be unset when parenthesis ends.
3660 property[MaxTextExtent];
3665 for (option=GetNextImageOption(image_info); option != (const char *) NULL; )
3667 value=GetImageOption(image_info,option);
3668 if (value != (const char *) NULL)
3670 (void) FormatLocaleString(property,MaxTextExtent,"%s",option);
3671 (void) SetImageArtifact(image,property,value);
3673 option=GetNextImageOption(image_info);
3677 /* IMv7: pointer to allow the lookup of pre-image artefact will fallback to
3678 a global option setting/define. This saves a lot of duplication of
3679 global options into per-image artifacts, while ensuring only specifically
3680 set per-image artifacts are preverved when parenthesis ends.
3682 This pointer is never explictally freed, as it is only used as a back
3683 reference, not as the main pointer to the image_info structure. Images
3684 being removed from a image_info image list (or yet to be added to such),
3685 should have this pointer reset to NULL.
3687 image->image_info=image_info;