/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % IIIII M M AAA GGGG EEEEE % % I MM MM A A G E % % I M M M AAAAA G GG EEE % % I M M A A G G E % % IIIII M M A A GGGG EEEEE % % % % % % MagickCore Image Methods % % % % Software Design % % Cristy % % July 1992 % % % % % % Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % https://imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % */ /* Include declarations. */ #include "magick/studio.h" #include "magick/animate.h" #include "magick/artifact.h" #include "magick/blob.h" #include "magick/blob-private.h" #include "magick/cache.h" #include "magick/cache-private.h" #include "magick/cache-view.h" #include "magick/channel.h" #include "magick/client.h" #include "magick/color.h" #include "magick/color-private.h" #include "magick/colormap.h" #include "magick/colorspace.h" #include "magick/colorspace-private.h" #include "magick/composite.h" #include "magick/composite-private.h" #include "magick/compress.h" #include "magick/constitute.h" #include "magick/delegate.h" #include "magick/deprecate.h" #include "magick/display.h" #include "magick/draw.h" #include "magick/enhance.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/gem.h" #include "magick/geometry.h" #include "magick/histogram.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/magic.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/memory-private.h" #include "magick/module.h" #include "magick/monitor.h" #include "magick/monitor-private.h" #include "magick/option.h" #include "magick/paint.h" #include "magick/pixel-accessor.h" #include "magick/pixel-private.h" #include "magick/profile.h" #include "magick/property.h" #include "magick/quantize.h" #include "magick/random_.h" #include "magick/resource_.h" #include "magick/segment.h" #include "magick/semaphore.h" #include "magick/signature-private.h" #include "magick/statistic.h" #include "magick/string_.h" #include "magick/string-private.h" #include "magick/thread-private.h" #include "magick/threshold.h" #include "magick/timer.h" #include "magick/token.h" #include "magick/token-private.h" #include "magick/utility.h" #include "magick/version.h" #include "magick/xwindow-private.h" /* Constant declaration. */ const char BackgroundColor[] = "#ffffff", /* white */ BorderColor[] = "#dfdfdf", /* gray */ DefaultTileFrame[] = "15x15+3+3", DefaultTileGeometry[] = "120x120+4+3>", DefaultTileLabel[] = "%f\n%G\n%b", ForegroundColor[] = "#000", /* black */ LoadImageTag[] = "Load/Image", LoadImagesTag[] = "Load/Images", MatteColor[] = "#bdbdbd", /* gray */ PSDensityGeometry[] = "72.0x72.0", PSPageGeometry[] = "612x792", SaveImageTag[] = "Save/Image", SaveImagesTag[] = "Save/Images", TransparentColor[] = "#00000000"; /* transparent black */ const double DefaultResolution = 72.0; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A c q u i r e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % AcquireImage() returns a pointer to an image structure initialized to % default values. % % The format of the AcquireImage method is: % % Image *AcquireImage(const ImageInfo *image_info) % % A description of each parameter follows: % % o image_info: Many of the image default values are set from this % structure. For example, filename, compression, depth, background color, % and others. % */ MagickExport Image *AcquireImage(const ImageInfo *image_info) { const char *option; Image *image; MagickStatusType flags; /* Allocate image structure. */ (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); image=(Image *) AcquireCriticalMemory(sizeof(*image)); (void) memset(image,0,sizeof(*image)); /* Initialize Image structure. */ (void) CopyMagickString(image->magick,"MIFF",MaxTextExtent); image->storage_class=DirectClass; image->depth=MAGICKCORE_QUANTUM_DEPTH; image->colorspace=sRGBColorspace; image->rendering_intent=PerceptualIntent; image->gamma=1.000f/2.200f; image->chromaticity.red_primary.x=0.6400f; image->chromaticity.red_primary.y=0.3300f; image->chromaticity.red_primary.z=0.0300f; image->chromaticity.green_primary.x=0.3000f; image->chromaticity.green_primary.y=0.6000f; image->chromaticity.green_primary.z=0.1000f; image->chromaticity.blue_primary.x=0.1500f; image->chromaticity.blue_primary.y=0.0600f; image->chromaticity.blue_primary.z=0.7900f; image->chromaticity.white_point.x=0.3127f; image->chromaticity.white_point.y=0.3290f; image->chromaticity.white_point.z=0.3583f; image->interlace=NoInterlace; image->ticks_per_second=UndefinedTicksPerSecond; image->compose=OverCompositeOp; image->blur=1.0; InitializeExceptionInfo(&image->exception); (void) QueryColorDatabase(BackgroundColor,&image->background_color, &image->exception); (void) QueryColorDatabase(BorderColor,&image->border_color,&image->exception); (void) QueryColorDatabase(MatteColor,&image->matte_color,&image->exception); (void) QueryColorDatabase(TransparentColor,&image->transparent_color, &image->exception); GetTimerInfo(&image->timer); image->ping=MagickFalse; image->cache=AcquirePixelCache(0); image->blob=CloneBlobInfo((BlobInfo *) NULL); image->timestamp=time((time_t *) NULL); image->debug=IsEventLogging(); image->reference_count=1; image->semaphore=AllocateSemaphoreInfo(); image->signature=MagickCoreSignature; if (image_info == (ImageInfo *) NULL) return(image); /* Transfer image info. */ SetBlobExempt(image,image_info->file != (FILE *) NULL ? MagickTrue : MagickFalse); (void) CopyMagickString(image->filename,image_info->filename,MaxTextExtent); (void) CopyMagickString(image->magick_filename,image_info->filename, MaxTextExtent); (void) CopyMagickString(image->magick,image_info->magick,MaxTextExtent); if (image_info->size != (char *) NULL) { (void) ParseAbsoluteGeometry(image_info->size,&image->extract_info); image->columns=image->extract_info.width; image->rows=image->extract_info.height; image->offset=image->extract_info.x; image->extract_info.x=0; image->extract_info.y=0; } if (image_info->extract != (char *) NULL) { RectangleInfo geometry; (void) memset(&geometry,0,sizeof(geometry)); flags=ParseAbsoluteGeometry(image_info->extract,&geometry); if (((flags & XValue) != 0) || ((flags & YValue) != 0)) { image->extract_info=geometry; Swap(image->columns,image->extract_info.width); Swap(image->rows,image->extract_info.height); } } image->compression=image_info->compression; image->quality=image_info->quality; image->endian=image_info->endian; image->interlace=image_info->interlace; image->units=image_info->units; if (image_info->density != (char *) NULL) { GeometryInfo geometry_info; flags=ParseGeometry(image_info->density,&geometry_info); if ((flags & RhoValue) != 0) image->x_resolution=geometry_info.rho; image->y_resolution=image->x_resolution; if ((flags & SigmaValue) != 0) image->y_resolution=geometry_info.sigma; } if (image_info->page != (char *) NULL) { char *geometry; image->page=image->extract_info; geometry=GetPageGeometry(image_info->page); (void) ParseAbsoluteGeometry(geometry,&image->page); geometry=DestroyString(geometry); } if (image_info->depth != 0) image->depth=image_info->depth; image->dither=image_info->dither; image->background_color=image_info->background_color; image->border_color=image_info->border_color; image->matte_color=image_info->matte_color; image->transparent_color=image_info->transparent_color; image->ping=image_info->ping; image->progress_monitor=image_info->progress_monitor; image->client_data=image_info->client_data; if (image_info->cache != (void *) NULL) ClonePixelCacheMethods(image->cache,image_info->cache); (void) SyncImageSettings(image_info,image); option=GetImageOption(image_info,"delay"); if (option != (const char *) NULL) { GeometryInfo geometry_info; flags=ParseGeometry(option,&geometry_info); if ((flags & GreaterValue) != 0) { if (image->delay > (size_t) floor(geometry_info.rho+0.5)) image->delay=(size_t) floor(geometry_info.rho+0.5); } else if ((flags & LessValue) != 0) { if (image->delay < (size_t) floor(geometry_info.rho+0.5)) image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5); } else image->delay=(size_t) floor(geometry_info.rho+0.5); if ((flags & SigmaValue) != 0) image->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5); } option=GetImageOption(image_info,"dispose"); if (option != (const char *) NULL) image->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions, MagickFalse,option); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A c q u i r e I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % AcquireImageInfo() allocates the ImageInfo structure. % % The format of the AcquireImageInfo method is: % % ImageInfo *AcquireImageInfo(void) % */ MagickExport ImageInfo *AcquireImageInfo(void) { ImageInfo *image_info; image_info=(ImageInfo *) AcquireMagickMemory(sizeof(*image_info)); if (image_info == (ImageInfo *) NULL) ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); GetImageInfo(image_info); return(image_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A c q u i r e N e x t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % AcquireNextImage() initializes the next image in a sequence to % default values. The next member of image points to the newly allocated % image. If there is a memory shortage, next is assigned NULL. % % The format of the AcquireNextImage method is: % % void AcquireNextImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows: % % o image_info: Many of the image default values are set from this % structure. For example, filename, compression, depth, background color, % and others. % % o image: the image. % */ MagickExport void AcquireNextImage(const ImageInfo *image_info,Image *image) { /* Allocate image structure. */ assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); image->next=AcquireImage(image_info); if (GetNextImageInList(image) == (Image *) NULL) return; (void) CopyMagickString(GetNextImageInList(image)->filename,image->filename, MaxTextExtent); if (image_info != (ImageInfo *) NULL) (void) CopyMagickString(GetNextImageInList(image)->filename, image_info->filename,MaxTextExtent); DestroyBlob(GetNextImageInList(image)); image->next->blob=ReferenceBlob(image->blob); image->next->endian=image->endian; image->next->scene=image->scene+1; image->next->previous=image; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A p p e n d I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % AppendImages() takes all images from the current image pointer to the end % of the image list and appends them to each other top-to-bottom if the % stack parameter is true, otherwise left-to-right. % % The current gravity setting now effects how the image is justified in the % final image. % % The format of the AppendImages method is: % % Image *AppendImages(const Image *images,const MagickBooleanType stack, % ExceptionInfo *exception) % % A description of each parameter follows: % % o images: the image sequence. % % o stack: A value other than 0 stacks the images top-to-bottom. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *AppendImages(const Image *images, const MagickBooleanType stack,ExceptionInfo *exception) { #define AppendImageTag "Append/Image" CacheView *append_view; Image *append_image; MagickBooleanType homogeneous_colorspace, matte, status; MagickOffsetType n; RectangleInfo geometry; register const Image *next; size_t depth, height, number_images, width; ssize_t x_offset, y, y_offset; /* Compute maximum area of appended area. */ assert(images != (Image *) NULL); assert(images->signature == MagickCoreSignature); if (images->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); matte=images->matte; number_images=1; width=images->columns; height=images->rows; depth=images->depth; homogeneous_colorspace=MagickTrue; next=GetNextImageInList(images); for ( ; next != (Image *) NULL; next=GetNextImageInList(next)) { if (next->depth > depth) depth=next->depth; if (next->colorspace != images->colorspace) homogeneous_colorspace=MagickFalse; if (next->matte != MagickFalse) matte=MagickTrue; number_images++; if (stack != MagickFalse) { if (next->columns > width) width=next->columns; height+=next->rows; continue; } width+=next->columns; if (next->rows > height) height=next->rows; } /* Append images. */ append_image=CloneImage(images,width,height,MagickTrue,exception); if (append_image == (Image *) NULL) return((Image *) NULL); if (SetImageStorageClass(append_image,DirectClass) == MagickFalse) { InheritException(exception,&append_image->exception); append_image=DestroyImage(append_image); return((Image *) NULL); } if (homogeneous_colorspace == MagickFalse) (void) SetImageColorspace(append_image,sRGBColorspace); append_image->depth=depth; append_image->matte=matte; append_image->page=images->page; (void) SetImageBackgroundColor(append_image); status=MagickTrue; x_offset=0; y_offset=0; next=images; append_view=AcquireAuthenticCacheView(append_image,exception); for (n=0; n < (MagickOffsetType) number_images; n++) { CacheView *image_view; MagickBooleanType proceed; SetGeometry(append_image,&geometry); GravityAdjustGeometry(next->columns,next->rows,next->gravity,&geometry); if (stack != MagickFalse) x_offset-=geometry.x; else y_offset-=geometry.y; image_view=AcquireVirtualCacheView(next,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(next,next,next->rows,1) #endif for (y=0; y < (ssize_t) next->rows; y++) { MagickBooleanType sync; register const IndexPacket *magick_restrict indexes; register const PixelPacket *magick_restrict p; register IndexPacket *magick_restrict append_indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception); q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset, next->columns,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) { status=MagickFalse; continue; } indexes=GetCacheViewVirtualIndexQueue(image_view); append_indexes=GetCacheViewAuthenticIndexQueue(append_view); for (x=0; x < (ssize_t) next->columns; x++) { SetPixelRed(q,GetPixelRed(p)); SetPixelGreen(q,GetPixelGreen(p)); SetPixelBlue(q,GetPixelBlue(p)); SetPixelOpacity(q,OpaqueOpacity); if (next->matte != MagickFalse) SetPixelOpacity(q,GetPixelOpacity(p)); if ((next->colorspace == CMYKColorspace) && (append_image->colorspace == CMYKColorspace)) SetPixelIndex(append_indexes+x,GetPixelIndex(indexes+x)); p++; q++; } sync=SyncCacheViewAuthenticPixels(append_view,exception); if (sync == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); if (stack == MagickFalse) { x_offset+=(ssize_t) next->columns; y_offset=0; } else { x_offset=0; y_offset+=(ssize_t) next->rows; } proceed=SetImageProgress(append_image,AppendImageTag,n,number_images); if (proceed == MagickFalse) break; next=GetNextImageInList(next); } append_view=DestroyCacheView(append_view); if (status == MagickFalse) append_image=DestroyImage(append_image); return(append_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C a t c h I m a g e E x c e p t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CatchImageException() returns if no exceptions are found in the image % sequence, otherwise it determines the most severe exception and reports % it as a warning or error depending on the severity. % % The format of the CatchImageException method is: % % ExceptionType CatchImageException(Image *image) % % A description of each parameter follows: % % o image: An image sequence. % */ MagickExport ExceptionType CatchImageException(Image *image) { ExceptionInfo *exception; ExceptionType severity; assert(image != (const Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); exception=AcquireExceptionInfo(); GetImageException(image,exception); CatchException(exception); severity=exception->severity; exception=DestroyExceptionInfo(exception); return(severity); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l i p I m a g e P a t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ClipImagePath() sets the image clip mask based any clipping path information % if it exists. % % The format of the ClipImagePath method is: % % MagickBooleanType ClipImagePath(Image *image,const char *pathname, % const MagickBooleanType inside) % % A description of each parameter follows: % % o image: the image. % % o pathname: name of clipping path resource. If name is preceded by #, use % clipping path numbered by name. % % o inside: if non-zero, later operations take effect inside clipping path. % Otherwise later operations take effect outside clipping path. % */ MagickExport MagickBooleanType ClipImage(Image *image) { return(ClipImagePath(image,"#1",MagickTrue)); } MagickExport MagickBooleanType ClipImagePath(Image *image,const char *pathname, const MagickBooleanType inside) { #define ClipImagePathTag "ClipPath/Image" char *property; const char *value; Image *clip_mask; ImageInfo *image_info; assert(image != (const Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(pathname != NULL); property=AcquireString(pathname); (void) FormatLocaleString(property,MaxTextExtent,"8BIM:1999,2998:%s", pathname); value=GetImageProperty(image,property); property=DestroyString(property); if (value == (const char *) NULL) { ThrowFileException(&image->exception,OptionError,"NoClipPathDefined", image->filename); return(MagickFalse); } image_info=AcquireImageInfo(); (void) CopyMagickString(image_info->filename,image->filename,MaxTextExtent); (void) ConcatenateMagickString(image_info->filename,pathname,MaxTextExtent); clip_mask=BlobToImage(image_info,value,strlen(value),&image->exception); image_info=DestroyImageInfo(image_info); if (clip_mask == (Image *) NULL) return(MagickFalse); if (clip_mask->storage_class == PseudoClass) { (void) SyncImage(clip_mask); if (SetImageStorageClass(clip_mask,DirectClass) == MagickFalse) return(MagickFalse); } if (inside == MagickFalse) (void) NegateImage(clip_mask,MagickFalse); (void) FormatLocaleString(clip_mask->magick_filename,MaxTextExtent, "8BIM:1999,2998:%s\nPS",pathname); (void) SetImageClipMask(image,clip_mask); clip_mask=DestroyImage(clip_mask); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneImage() copies an image and returns the copy as a new image object. % % If the specified columns and rows is 0, an exact copy of the image is % returned, otherwise the pixel data is undefined and must be initialized % with the QueueAuthenticPixels() and SyncAuthenticPixels() methods. On % failure, a NULL image is returned and exception describes the reason for the % failure. % % The format of the CloneImage method is: % % Image *CloneImage(const Image *image,const size_t columns, % const size_t rows,const MagickBooleanType orphan, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o columns: the number of columns in the cloned image. % % o rows: the number of rows in the cloned image. % % o detach: With a value other than 0, the cloned image is detached from % its parent I/O stream. % % o exception: return any errors or warnings in this structure. % */ MagickExport Image *CloneImage(const Image *image,const size_t columns, const size_t rows,const MagickBooleanType detach,ExceptionInfo *exception) { double scale; Image *clone_image; size_t length; /* Clone the image. */ assert(image != (const Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); if ((image->columns == 0) || (image->rows == 0)) { (void) ThrowMagickException(exception,GetMagickModule(),CorruptImageError, "NegativeOrZeroImageSize","`%s'",image->filename); return((Image *) NULL); } clone_image=(Image *) AcquireCriticalMemory(sizeof(*clone_image)); (void) memset(clone_image,0,sizeof(*clone_image)); clone_image->signature=MagickCoreSignature; clone_image->storage_class=image->storage_class; clone_image->channels=image->channels; clone_image->colorspace=image->colorspace; clone_image->matte=image->matte; clone_image->columns=image->columns; clone_image->rows=image->rows; clone_image->dither=image->dither; (void) CloneImageProfiles(clone_image,image); (void) CloneImageProperties(clone_image,image); (void) CloneImageArtifacts(clone_image,image); GetTimerInfo(&clone_image->timer); InitializeExceptionInfo(&clone_image->exception); InheritException(&clone_image->exception,&image->exception); if (image->ascii85 != (void *) NULL) Ascii85Initialize(clone_image); clone_image->extent=image->extent; clone_image->magick_columns=image->magick_columns; clone_image->magick_rows=image->magick_rows; clone_image->type=image->type; (void) CopyMagickString(clone_image->magick_filename,image->magick_filename, MaxTextExtent); (void) CopyMagickString(clone_image->magick,image->magick,MaxTextExtent); (void) CopyMagickString(clone_image->filename,image->filename,MaxTextExtent); clone_image->progress_monitor=image->progress_monitor; clone_image->client_data=image->client_data; clone_image->reference_count=1; clone_image->next=image->next; clone_image->previous=image->previous; clone_image->list=NewImageList(); clone_image->clip_mask=NewImageList(); clone_image->mask=NewImageList(); if (detach == MagickFalse) clone_image->blob=ReferenceBlob(image->blob); else { clone_image->next=NewImageList(); clone_image->previous=NewImageList(); clone_image->blob=CloneBlobInfo((BlobInfo *) NULL); } clone_image->ping=image->ping; clone_image->debug=IsEventLogging(); clone_image->semaphore=AllocateSemaphoreInfo(); if (image->colormap != (PixelPacket *) NULL) { /* Allocate and copy the image colormap. */ clone_image->colors=image->colors; length=(size_t) image->colors; clone_image->colormap=(PixelPacket *) AcquireQuantumMemory(length+1, sizeof(*clone_image->colormap)); if (clone_image->colormap == (PixelPacket *) NULL) { clone_image=DestroyImage(clone_image); ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); } (void) memcpy(clone_image->colormap,image->colormap,length* sizeof(*clone_image->colormap)); } if ((columns == 0) || (rows == 0)) { if (image->montage != (char *) NULL) (void) CloneString(&clone_image->montage,image->montage); if (image->directory != (char *) NULL) (void) CloneString(&clone_image->directory,image->directory); if (image->clip_mask != (Image *) NULL) clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue, exception); if (image->mask != (Image *) NULL) clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception); clone_image->cache=ReferencePixelCache(image->cache); return(clone_image); } if ((columns == image->columns) && (rows == image->rows)) { if (image->clip_mask != (Image *) NULL) clone_image->clip_mask=CloneImage(image->clip_mask,0,0,MagickTrue, exception); if (image->mask != (Image *) NULL) clone_image->mask=CloneImage(image->mask,0,0,MagickTrue,exception); } scale=1.0; if (image->columns != 0) scale=(double) columns/(double) image->columns; clone_image->page.width=(size_t) floor(scale*image->page.width+0.5); clone_image->page.x=(ssize_t) ceil(scale*image->page.x-0.5); clone_image->tile_offset.x=(ssize_t) ceil(scale*image->tile_offset.x-0.5); scale=1.0; if (image->rows != 0) scale=(double) rows/(double) image->rows; clone_image->page.height=(size_t) floor(scale*image->page.height+0.5); clone_image->page.y=(ssize_t) ceil(scale*image->page.y-0.5); clone_image->tile_offset.y=(ssize_t) ceil(scale*image->tile_offset.y-0.5); clone_image->cache=ClonePixelCache(image->cache); if (SetImageExtent(clone_image,columns,rows) == MagickFalse) { InheritException(exception,&clone_image->exception); clone_image=DestroyImage(clone_image); } return(clone_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o n e I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CloneImageInfo() makes a copy of the given image info structure. If % NULL is specified, a new image info structure is created initialized to % default values. % % The format of the CloneImageInfo method is: % % ImageInfo *CloneImageInfo(const ImageInfo *image_info) % % A description of each parameter follows: % % o image_info: the image info. % */ MagickExport ImageInfo *CloneImageInfo(const ImageInfo *image_info) { ImageInfo *clone_info; clone_info=AcquireImageInfo(); if (image_info == (ImageInfo *) NULL) return(clone_info); clone_info->compression=image_info->compression; clone_info->temporary=image_info->temporary; clone_info->adjoin=image_info->adjoin; clone_info->antialias=image_info->antialias; clone_info->scene=image_info->scene; clone_info->number_scenes=image_info->number_scenes; clone_info->depth=image_info->depth; if (image_info->size != (char *) NULL) (void) CloneString(&clone_info->size,image_info->size); if (image_info->extract != (char *) NULL) (void) CloneString(&clone_info->extract,image_info->extract); if (image_info->scenes != (char *) NULL) (void) CloneString(&clone_info->scenes,image_info->scenes); if (image_info->page != (char *) NULL) (void) CloneString(&clone_info->page,image_info->page); clone_info->interlace=image_info->interlace; clone_info->endian=image_info->endian; clone_info->units=image_info->units; clone_info->quality=image_info->quality; if (image_info->sampling_factor != (char *) NULL) (void) CloneString(&clone_info->sampling_factor, image_info->sampling_factor); if (image_info->server_name != (char *) NULL) (void) CloneString(&clone_info->server_name,image_info->server_name); if (image_info->font != (char *) NULL) (void) CloneString(&clone_info->font,image_info->font); if (image_info->texture != (char *) NULL) (void) CloneString(&clone_info->texture,image_info->texture); if (image_info->density != (char *) NULL) (void) CloneString(&clone_info->density,image_info->density); clone_info->pointsize=image_info->pointsize; clone_info->fuzz=image_info->fuzz; clone_info->pen=image_info->pen; clone_info->background_color=image_info->background_color; clone_info->border_color=image_info->border_color; clone_info->matte_color=image_info->matte_color; clone_info->transparent_color=image_info->transparent_color; clone_info->dither=image_info->dither; clone_info->monochrome=image_info->monochrome; clone_info->colors=image_info->colors; clone_info->colorspace=image_info->colorspace; clone_info->type=image_info->type; clone_info->orientation=image_info->orientation; clone_info->preview_type=image_info->preview_type; clone_info->group=image_info->group; clone_info->ping=image_info->ping; clone_info->verbose=image_info->verbose; if (image_info->view != (char *) NULL) (void) CloneString(&clone_info->view,image_info->view); if (image_info->authenticate != (char *) NULL) (void) CloneString(&clone_info->authenticate,image_info->authenticate); (void) CloneImageOptions(clone_info,image_info); clone_info->progress_monitor=image_info->progress_monitor; clone_info->client_data=image_info->client_data; clone_info->cache=image_info->cache; if (image_info->cache != (void *) NULL) clone_info->cache=ReferencePixelCache(image_info->cache); if (image_info->profile != (void *) NULL) clone_info->profile=(void *) CloneStringInfo((StringInfo *) image_info->profile); SetImageInfoFile(clone_info,image_info->file); SetImageInfoBlob(clone_info,image_info->blob,image_info->length); clone_info->stream=image_info->stream; clone_info->virtual_pixel_method=image_info->virtual_pixel_method; (void) CopyMagickString(clone_info->magick,image_info->magick,MaxTextExtent); (void) CopyMagickString(clone_info->unique,image_info->unique,MaxTextExtent); (void) CopyMagickString(clone_info->zero,image_info->zero,MaxTextExtent); (void) CopyMagickString(clone_info->filename,image_info->filename, MaxTextExtent); clone_info->subimage=image_info->scene; /* deprecated */ clone_info->subrange=image_info->number_scenes; /* deprecated */ clone_info->channel=image_info->channel; clone_info->debug=IsEventLogging(); clone_info->signature=image_info->signature; return(clone_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o p y I m a g e P i x e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CopyImagePixels() copies pixels from the source image as defined by the % geometry the destination image at the specified offset. % % The format of the CopyImagePixels method is: % % MagickBooleanType CopyImagePixels(Image *image,const Image *source_image, % const RectangleInfo *geometry,const OffsetInfo *offset, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the destination image. % % o source_image: the source image. % % o geometry: define the dimensions of the source pixel rectangle. % % o offset: define the offset in the destination image. % % o exception: return the highest severity exception. % */ MagickExport MagickBooleanType CopyImagePixels(Image *image, const Image *source_image,const RectangleInfo *geometry, const OffsetInfo *offset,ExceptionInfo *exception) { #define CopyImageTag "Copy/Image" CacheView *image_view, *source_view; MagickBooleanType status; MagickOffsetType progress; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(source_image != (Image *) NULL); assert(geometry != (RectangleInfo *) NULL); assert(offset != (OffsetInfo *) NULL); if ((offset->x < 0) || (offset->y < 0) || ((ssize_t) (offset->x+geometry->width) > (ssize_t) image->columns) || ((ssize_t) (offset->y+geometry->height) > (ssize_t) image->rows)) ThrowBinaryException(OptionError,"GeometryDoesNotContainImage", image->filename); if (SetImageStorageClass(image,DirectClass) == MagickFalse) return(MagickFalse); /* Copy image pixels. */ status=MagickTrue; progress=0; source_view=AcquireVirtualCacheView(source_image,exception); image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(progress,status) \ magick_number_threads(source_image,image,geometry->height,1) #endif for (y=0; y < (ssize_t) geometry->height; y++) { register const IndexPacket *magick_restrict source_indexes; register const PixelPacket *magick_restrict p; register IndexPacket *magick_restrict indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; p=GetCacheViewVirtualPixels(source_view,geometry->x,y+geometry->y, geometry->width,1,exception); q=GetCacheViewAuthenticPixels(image_view,offset->x,y+offset->y, geometry->width,1,exception); if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) { status=MagickFalse; continue; } source_indexes=GetCacheViewVirtualIndexQueue(source_view); indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) geometry->width; x++) { *q=(*p); if (image->colorspace == CMYKColorspace) indexes[x]=source_indexes[x]; p++; q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; if (image->progress_monitor != (MagickProgressMonitor) NULL) { MagickBooleanType proceed; #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp atomic #endif progress++; proceed=SetImageProgress(image,CopyImageTag,progress,image->rows); if (proceed == MagickFalse) status=MagickFalse; } } image_view=DestroyCacheView(image_view); source_view=DestroyCacheView(source_view); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s t r o y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DestroyImage() dereferences an image, deallocating memory associated with % the image if the reference count becomes zero. % % The format of the DestroyImage method is: % % Image *DestroyImage(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport Image *DestroyImage(Image *image) { MagickBooleanType destroy; /* Dereference image. */ assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); destroy=MagickFalse; LockSemaphoreInfo(image->semaphore); image->reference_count--; if (image->reference_count == 0) destroy=MagickTrue; UnlockSemaphoreInfo(image->semaphore); if (destroy == MagickFalse) return((Image *) NULL); /* Destroy image. */ DestroyImagePixels(image); if (image->clip_mask != (Image *) NULL) image->clip_mask=DestroyImage(image->clip_mask); if (image->mask != (Image *) NULL) image->mask=DestroyImage(image->mask); if (image->montage != (char *) NULL) image->montage=DestroyString(image->montage); if (image->directory != (char *) NULL) image->directory=DestroyString(image->directory); if (image->colormap != (PixelPacket *) NULL) image->colormap=(PixelPacket *) RelinquishMagickMemory(image->colormap); if (image->geometry != (char *) NULL) image->geometry=DestroyString(image->geometry); DestroyImageProfiles(image); DestroyImageProperties(image); DestroyImageArtifacts(image); if (image->ascii85 != (Ascii85Info*) NULL) image->ascii85=(Ascii85Info *) RelinquishMagickMemory(image->ascii85); DestroyBlob(image); (void) ClearExceptionInfo(&image->exception,MagickTrue); if (image->semaphore != (SemaphoreInfo *) NULL) DestroySemaphoreInfo(&image->semaphore); image->signature=(~MagickCoreSignature); image=(Image *) RelinquishMagickMemory(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s t r o y I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DestroyImageInfo() deallocates memory associated with an ImageInfo % structure. % % The format of the DestroyImageInfo method is: % % ImageInfo *DestroyImageInfo(ImageInfo *image_info) % % A description of each parameter follows: % % o image_info: the image info. % */ MagickExport ImageInfo *DestroyImageInfo(ImageInfo *image_info) { assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); if (image_info->size != (char *) NULL) image_info->size=DestroyString(image_info->size); if (image_info->extract != (char *) NULL) image_info->extract=DestroyString(image_info->extract); if (image_info->scenes != (char *) NULL) image_info->scenes=DestroyString(image_info->scenes); if (image_info->page != (char *) NULL) image_info->page=DestroyString(image_info->page); if (image_info->sampling_factor != (char *) NULL) image_info->sampling_factor=DestroyString( image_info->sampling_factor); if (image_info->server_name != (char *) NULL) image_info->server_name=DestroyString( image_info->server_name); if (image_info->font != (char *) NULL) image_info->font=DestroyString(image_info->font); if (image_info->texture != (char *) NULL) image_info->texture=DestroyString(image_info->texture); if (image_info->density != (char *) NULL) image_info->density=DestroyString(image_info->density); if (image_info->view != (char *) NULL) image_info->view=DestroyString(image_info->view); if (image_info->authenticate != (char *) NULL) image_info->authenticate=DestroyString( image_info->authenticate); DestroyImageOptions(image_info); if (image_info->cache != (void *) NULL) image_info->cache=DestroyPixelCache(image_info->cache); if (image_info->profile != (StringInfo *) NULL) image_info->profile=(void *) DestroyStringInfo((StringInfo *) image_info->profile); image_info->signature=(~MagickCoreSignature); image_info=(ImageInfo *) RelinquishMagickMemory(image_info); return(image_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + D i s a s s o c i a t e I m a g e S t r e a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DisassociateImageStream() disassociates the image stream. It checks if the % blob of the specified image is referenced by other images. If the reference % count is higher then 1 a new blob is assigned to the specified image. % % The format of the DisassociateImageStream method is: % % void DisassociateImageStream(const Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport void DisassociateImageStream(Image *image) { assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); DisassociateBlob(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e C l i p M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageClipMask() returns the clip path associated with the image. % % The format of the GetImageClipMask method is: % % Image *GetImageClipMask(const Image *image,ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % */ MagickExport Image *GetImageClipMask(const Image *image, ExceptionInfo *exception) { assert(image != (const Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (image->clip_mask == (Image *) NULL) return((Image *) NULL); return(CloneImage(image->clip_mask,0,0,MagickTrue,exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e E x c e p t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageException() traverses an image sequence and returns any % error more severe than noted by the exception parameter. % % The format of the GetImageException method is: % % void GetImageException(Image *image,ExceptionInfo *exception) % % A description of each parameter follows: % % o image: Specifies a pointer to a list of one or more images. % % o exception: return the highest severity exception. % */ MagickExport void GetImageException(Image *image,ExceptionInfo *exception) { register Image *next; assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); for (next=image; next != (Image *) NULL; next=GetNextImageInList(next)) { if (next->exception.severity == UndefinedException) continue; if (next->exception.severity > exception->severity) InheritException(exception,&next->exception); next->exception.severity=UndefinedException; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageInfo() initializes image_info to default values. % % The format of the GetImageInfo method is: % % void GetImageInfo(ImageInfo *image_info) % % A description of each parameter follows: % % o image_info: the image info. % */ MagickExport void GetImageInfo(ImageInfo *image_info) { char *synchronize; ExceptionInfo *exception; /* File and image dimension members. */ (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image_info != (ImageInfo *) NULL); (void) memset(image_info,0,sizeof(*image_info)); image_info->adjoin=MagickTrue; image_info->interlace=NoInterlace; image_info->channel=DefaultChannels; image_info->quality=UndefinedCompressionQuality; image_info->antialias=MagickTrue; image_info->dither=MagickTrue; synchronize=GetEnvironmentValue("MAGICK_SYNCHRONIZE"); if (synchronize != (const char *) NULL) { image_info->synchronize=IsStringTrue(synchronize); synchronize=DestroyString(synchronize); } exception=AcquireExceptionInfo(); (void) QueryColorDatabase(BackgroundColor,&image_info->background_color, exception); (void) QueryColorDatabase(BorderColor,&image_info->border_color,exception); (void) QueryColorDatabase(MatteColor,&image_info->matte_color,exception); (void) QueryColorDatabase(TransparentColor,&image_info->transparent_color, exception); exception=DestroyExceptionInfo(exception); image_info->debug=IsEventLogging(); image_info->signature=MagickCoreSignature; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e I n f o F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageInfoFile() returns the image info file member. % % The format of the GetImageInfoFile method is: % % FILE *GetImageInfoFile(const ImageInfo *image_info) % % A description of each parameter follows: % % o image_info: the image info. % */ MagickExport FILE *GetImageInfoFile(const ImageInfo *image_info) { return(image_info->file); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageMask() returns the mask associated with the image. % % The format of the GetImageMask method is: % % Image *GetImageMask(const Image *image,ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % */ MagickExport Image *GetImageMask(const Image *image,ExceptionInfo *exception) { assert(image != (const Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (image->mask == (Image *) NULL) return((Image *) NULL); return(CloneImage(image->mask,0,0,MagickTrue,exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e C h a n n e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageChannels() returns the number of pixel channels associated with the % specified image. % % The format of the GetChannels method is: % % size_t GetImageChannels(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport size_t GetImageChannels(Image *image) { assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); return(image->channels); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + G e t I m a g e R e f e r e n c e C o u n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageReferenceCount() returns the image reference count. % % The format of the GetReferenceCount method is: % % ssize_t GetImageReferenceCount(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport ssize_t GetImageReferenceCount(Image *image) { ssize_t reference_count; assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); LockSemaphoreInfo(image->semaphore); reference_count=image->reference_count; UnlockSemaphoreInfo(image->semaphore); return(reference_count); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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 % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetImageVirtualPixelMethod() gets the "virtual pixels" method for the % image. A virtual pixel is any pixel access that is outside the boundaries % of the image cache. % % The format of the GetImageVirtualPixelMethod() method is: % % VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport VirtualPixelMethod GetImageVirtualPixelMethod(const Image *image) { assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); return(GetPixelCacheVirtualMethod(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n t e r p r e t I m a g e F i l e n a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % InterpretImageFilename() interprets embedded characters in an image filename. % The filename length is returned. % % The format of the InterpretImageFilename method is: % % size_t InterpretImageFilename(const ImageInfo *image_info,Image *image, % const char *format,int value,char *filename) % % A description of each parameter follows. % % o image_info: the image info.. % % o image: the image. % % o format: A filename describing the format to use to write the numeric % argument. Only the first numeric format identifier is replaced. % % o value: Numeric value to substitute into format filename. % % o filename: return the formatted filename in this character buffer. % */ MagickExport size_t InterpretImageFilename(const ImageInfo *image_info, Image *image,const char *format,int value,char *filename) { char *q; int c; MagickBooleanType canonical; register const char *p; ssize_t field_width, offset; canonical=MagickFalse; offset=0; (void) CopyMagickString(filename,format,MaxTextExtent); for (p=strchr(format,'%'); p != (char *) NULL; p=strchr(p+1,'%')) { q=(char *) p+1; if (*q == '%') { p=q+1; continue; } field_width=0; if (*q == '0') field_width=(ssize_t) strtol(q,&q,10); switch (*q) { case 'd': case 'o': case 'x': { q++; c=(*q); *q='\0'; (void) FormatLocaleString(filename+(p-format-offset),(size_t) (MaxTextExtent-(p-format-offset)),p,value); offset+=(4-field_width); *q=c; (void) ConcatenateMagickString(filename,q,MaxTextExtent); canonical=MagickTrue; if (*(q-1) != '%') break; p++; break; } case '[': { char pattern[MaxTextExtent]; const char *value; register char *r; register ssize_t i; ssize_t depth; /* Image option. */ if (strchr(p,']') == (char *) NULL) break; depth=1; r=q+1; for (i=0; (i < (MaxTextExtent-1L)) && (*r != '\0'); i++) { if (*r == '[') depth++; if (*r == ']') depth--; if (depth <= 0) break; pattern[i]=(*r++); } pattern[i]='\0'; if (LocaleNCompare(pattern,"filename:",9) != 0) break; value=(const char *) NULL; if (image != (Image *) NULL) value=GetImageProperty(image,pattern); if ((value == (const char *) NULL) && (image != (Image *) NULL)) value=GetImageArtifact(image,pattern); if ((value == (const char *) NULL) && (image_info != (ImageInfo *) NULL)) value=GetImageOption(image_info,pattern); if (value == (const char *) NULL) break; q--; c=(*q); *q='\0'; (void) CopyMagickString(filename+(p-format-offset),value,(size_t) (MaxTextExtent-(p-format-offset))); offset+=strlen(pattern)-strlen(value)+3; *q=c; (void) ConcatenateMagickString(filename,r+1,MaxTextExtent); canonical=MagickTrue; if (*(q-1) != '%') break; p++; break; } default: break; } } for (q=filename; *q != '\0'; q++) if ((*q == '%') && (*(q+1) == '%')) { (void) CopyMagickString(q,q+1,(size_t) (MaxTextExtent-(q-filename))); canonical=MagickTrue; } if (canonical == MagickFalse) (void) CopyMagickString(filename,format,MaxTextExtent); return(strlen(filename)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s H i g h D y n a m i c R a n g e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsHighDynamicRangeImage() returns MagickTrue if any pixel component is % non-integer or exceeds the bounds of the quantum depth (e.g. for Q16 % 0..65535. % % The format of the IsHighDynamicRangeImage method is: % % MagickBooleanType IsHighDynamicRangeImage(const Image *image, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickBooleanType IsHighDynamicRangeImage(const Image *image, ExceptionInfo *exception) { #if !defined(MAGICKCORE_HDRI_SUPPORT) (void) image; (void) exception; return(MagickFalse); #else CacheView *image_view; MagickBooleanType status; MagickPixelPacket zero; ssize_t y; assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=MagickTrue; GetMagickPixelPacket(image,&zero); image_view=AcquireVirtualCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { MagickPixelPacket pixel; register const IndexPacket *indexes; register const PixelPacket *p; register ssize_t x; if (status == MagickFalse) continue; p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); if (p == (const PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewVirtualIndexQueue(image_view); pixel=zero; for (x=0; x < (ssize_t) image->columns; x++) { SetMagickPixelPacket(image,p,indexes+x,&pixel); if ((pixel.red < 0.0) || (pixel.red > QuantumRange) || (pixel.red != (QuantumAny) pixel.red)) break; if ((pixel.green < 0.0) || (pixel.green > QuantumRange) || (pixel.green != (QuantumAny) pixel.green)) break; if ((pixel.blue < 0.0) || (pixel.blue > QuantumRange) || (pixel.blue != (QuantumAny) pixel.blue)) break; if (pixel.matte != MagickFalse) { if ((pixel.opacity < 0.0) || (pixel.opacity > QuantumRange) || (pixel.opacity != (QuantumAny) pixel.opacity)) break; } if (pixel.colorspace == CMYKColorspace) { if ((pixel.index < 0.0) || (pixel.index > QuantumRange) || (pixel.index != (QuantumAny) pixel.index)) break; } p++; } if (x < (ssize_t) image->columns) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status != MagickFalse ? MagickFalse : MagickTrue); #endif } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s I m a g e O b j e c t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsImageObject() returns MagickTrue if the image sequence contains a valid % set of image objects. % % The format of the IsImageObject method is: % % MagickBooleanType IsImageObject(const Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport MagickBooleanType IsImageObject(const Image *image) { register const Image *p; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) if (p->signature != MagickCoreSignature) return(MagickFalse); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s T a i n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsTaintImage() returns MagickTrue any pixel in the image has been altered % since it was first constituted. % % The format of the IsTaintImage method is: % % MagickBooleanType IsTaintImage(const Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport MagickBooleanType IsTaintImage(const Image *image) { char magick[MaxTextExtent], filename[MaxTextExtent]; register const Image *p; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); (void) CopyMagickString(magick,image->magick,MaxTextExtent); (void) CopyMagickString(filename,image->filename,MaxTextExtent); for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) { if (p->taint != MagickFalse) return(MagickTrue); if (LocaleCompare(p->magick,magick) != 0) return(MagickTrue); if (LocaleCompare(p->filename,filename) != 0) return(MagickTrue); } return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M o d i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ModifyImage() ensures that there is only a single reference to the image % to be modified, updating the provided image pointer to point to a clone of % the original image if necessary. % % The format of the ModifyImage method is: % % MagickBooleanType ModifyImage(Image *image,ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickBooleanType ModifyImage(Image **image, ExceptionInfo *exception) { Image *clone_image; assert(image != (Image **) NULL); assert(*image != (Image *) NULL); assert((*image)->signature == MagickCoreSignature); if ((*image)->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename); if (GetImageReferenceCount(*image) <= 1) return(MagickTrue); clone_image=CloneImage(*image,0,0,MagickTrue,exception); LockSemaphoreInfo((*image)->semaphore); (*image)->reference_count--; UnlockSemaphoreInfo((*image)->semaphore); *image=clone_image; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N e w M a g i c k I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % NewMagickImage() creates a blank image canvas of the specified size and % background color. % % The format of the NewMagickImage method is: % % Image *NewMagickImage(const ImageInfo *image_info,const size_t width, % const size_t height,const MagickPixelPacket *background) % % A description of each parameter follows: % % o image: the image. % % o width: the image width. % % o height: the image height. % % o background: the image color. % */ MagickExport Image *NewMagickImage(const ImageInfo *image_info, const size_t width,const size_t height,const MagickPixelPacket *background) { CacheView *image_view; ExceptionInfo *exception; Image *image; ssize_t y; MagickBooleanType status; assert(image_info != (const ImageInfo *) NULL); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image_info->signature == MagickCoreSignature); assert(background != (const MagickPixelPacket *) NULL); image=AcquireImage(image_info); image->columns=width; image->rows=height; image->colorspace=background->colorspace; image->matte=background->matte; image->fuzz=background->fuzz; image->depth=background->depth; status=MagickTrue; exception=(&image->exception); image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register IndexPacket *magick_restrict indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) image->columns; x++) { SetPixelPacket(image,background,q,indexes+x); q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); if (status == MagickFalse) image=DestroyImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e f e r e n c e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReferenceImage() increments the reference count associated with an image % returning a pointer to the image. % % The format of the ReferenceImage method is: % % Image *ReferenceImage(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport Image *ReferenceImage(Image *image) { assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); LockSemaphoreInfo(image->semaphore); image->reference_count++; UnlockSemaphoreInfo(image->semaphore); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e s e t I m a g e P a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ResetImagePage() resets the image page canvas and position. % % The format of the ResetImagePage method is: % % MagickBooleanType ResetImagePage(Image *image,const char *page) % % A description of each parameter follows: % % o image: the image. % % o page: the relative page specification. % */ MagickExport MagickBooleanType ResetImagePage(Image *image,const char *page) { MagickStatusType flags; RectangleInfo geometry; assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); flags=ParseAbsoluteGeometry(page,&geometry); if ((flags & WidthValue) != 0) { if ((flags & HeightValue) == 0) geometry.height=geometry.width; image->page.width=geometry.width; image->page.height=geometry.height; } if ((flags & AspectValue) != 0) { if ((flags & XValue) != 0) image->page.x+=geometry.x; if ((flags & YValue) != 0) image->page.y+=geometry.y; } else { if ((flags & XValue) != 0) { image->page.x=geometry.x; if ((image->page.width == 0) && (geometry.x > 0)) image->page.width=image->columns+geometry.x; } if ((flags & YValue) != 0) { image->page.y=geometry.y; if ((image->page.height == 0) && (geometry.y > 0)) image->page.height=image->rows+geometry.y; } } return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e s e t I m a g e P i x e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ResetImagePixels() reset the image pixels, that is, all the pixel components % are zereod. % % The format of the SetImage method is: % % MagickBooleanType ResetImagePixels(Image *image, % ExceptionInfo *exception) % % A description of each parameter follows: % % o image: the image. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickBooleanType ResetImagePixels(Image *image, ExceptionInfo *exception) { CacheView *image_view; const void *pixels; MagickBooleanType status; MagickSizeType length; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); pixels=AcquirePixelCachePixels(image,&length,exception); if (pixels != (void *) NULL) { /* Reset in-core image pixels. */ (void) memset((void *) pixels,0,(size_t) length); return(MagickTrue); } /* Reset image pixels. */ status=MagickTrue; image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register IndexPacket *magick_restrict indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) image->columns; x++) { (void) memset(q,0,sizeof(PixelPacket)); if ((image->storage_class == PseudoClass) || (image->colorspace == CMYKColorspace)) indexes[x]=0; q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e B a c k g r o u n d C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageBackgroundColor() initializes the image pixels to the image % background color. The background color is defined by the background_color % member of the image structure. % % The format of the SetImage method is: % % MagickBooleanType SetImageBackgroundColor(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport MagickBooleanType SetImageBackgroundColor(Image *image) { CacheView *image_view; ExceptionInfo *exception; IndexPacket index; MagickBooleanType status; MagickPixelPacket background; PixelPacket pixel; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (SetImageStorageClass(image,DirectClass) == MagickFalse) return(MagickFalse); if ((IsPixelGray(&image->background_color) == MagickFalse) && (IsGrayColorspace(image->colorspace) != MagickFalse)) (void) TransformImageColorspace(image,RGBColorspace); if ((image->background_color.opacity != OpaqueOpacity) && (image->matte == MagickFalse)) (void) SetImageAlphaChannel(image,OpaqueAlphaChannel); GetMagickPixelPacket(image,&background); SetMagickPixelPacket(image,&image->background_color,(const IndexPacket *) NULL,&background); if (image->colorspace == CMYKColorspace) ConvertRGBToCMYK(&background); index=0; pixel.opacity=OpaqueOpacity; SetPixelPacket(image,&background,&pixel,&index); /* Set image background color. */ status=MagickTrue; exception=(&image->exception); image_view=AcquireAuthenticCacheView(image,exception); for (y=0; y < (ssize_t) image->rows; y++) { register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) *q++=pixel; if (image->colorspace == CMYKColorspace) { register IndexPacket *magick_restrict indexes; indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) image->columns; x++) SetPixelIndex(indexes+x,index); } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e C h a n n e l s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageChannels() sets the number of pixels channels associated with the % image. % % The format of the SetImageChannels method is: % % MagickBooleanType SetImageChannels(Image *image,const size_t channels) % % A description of each parameter follows: % % o image: the image. % % o channels: The number of pixel channels. % */ MagickExport MagickBooleanType SetImageChannels(Image *image, const size_t channels) { image->channels=channels; return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageColor() set the entire image canvas to the specified color. % % The format of the SetImageColor method is: % % MagickBooleanType SetImageColor(Image *image, % const MagickPixelPacket *color) % % A description of each parameter follows: % % o image: the image. % % o background: the image color. % */ MagickExport MagickBooleanType SetImageColor(Image *image, const MagickPixelPacket *color) { CacheView *image_view; ExceptionInfo *exception; MagickBooleanType status; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); assert(color != (const MagickPixelPacket *) NULL); image->colorspace=color->colorspace; image->matte=color->matte; image->fuzz=color->fuzz; image->depth=color->depth; status=MagickTrue; exception=(&image->exception); image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register IndexPacket *magick_restrict indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=QueueCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) image->columns; x++) { SetPixelPacket(image,color,q,indexes+x); q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e S t o r a g e C l a s s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageStorageClass() sets the image class: DirectClass for true color % images or PseudoClass for colormapped images. % % The format of the SetImageStorageClass method is: % % MagickBooleanType SetImageStorageClass(Image *image, % const ClassType storage_class) % % A description of each parameter follows: % % o image: the image. % % o storage_class: The image class. % */ MagickExport MagickBooleanType SetImageStorageClass(Image *image, const ClassType storage_class) { assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); image->storage_class=storage_class; return(SyncImagePixelCache(image,&image->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e C l i p M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageClipMask() associates a clip path with the image. The clip path % must be the same dimensions as the image. Set any pixel component of % the clip path to TransparentOpacity to prevent that corresponding image % pixel component from being updated when SyncAuthenticPixels() is applied. % % The format of the SetImageClipMask method is: % % MagickBooleanType SetImageClipMask(Image *image,const Image *clip_mask) % % A description of each parameter follows: % % o image: the image. % % o clip_mask: the image clip path. % */ MagickExport MagickBooleanType SetImageClipMask(Image *image, const Image *clip_mask) { assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (clip_mask != (const Image *) NULL) if ((clip_mask->columns != image->columns) || (clip_mask->rows != image->rows)) ThrowBinaryImageException(ImageError,"ImageSizeDiffers",image->filename); if (image->clip_mask != (Image *) NULL) image->clip_mask=DestroyImage(image->clip_mask); image->clip_mask=NewImageList(); if (clip_mask == (Image *) NULL) return(MagickTrue); if (SetImageStorageClass(image,DirectClass) == MagickFalse) return(MagickFalse); image->clip_mask=CloneImage(clip_mask,0,0,MagickTrue,&image->exception); if (image->clip_mask == (Image *) NULL) return(MagickFalse); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e E x t e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageExtent() sets the image size (i.e. columns & rows). % % The format of the SetImageExtent method is: % % MagickBooleanType SetImageExtent(Image *image,const size_t columns, % const size_t rows) % % A description of each parameter follows: % % o image: the image. % % o columns: The image width in pixels. % % o rows: The image height in pixels. % */ MagickExport MagickBooleanType SetImageExtent(Image *image,const size_t columns, const size_t rows) { if ((columns == 0) || (rows == 0)) ThrowBinaryImageException(ImageError,"NegativeOrZeroImageSize", image->filename); image->columns=columns; image->rows=rows; if ((image->depth == 0) || (image->depth > (8*sizeof(MagickSizeType)))) ThrowBinaryImageException(ImageError,"ImageDepthNotSupported", image->filename); return(SyncImagePixelCache(image,&image->exception)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + S e t I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageInfo() initializes the `magick' field of the ImageInfo structure. % It is set to a type of image format based on the prefix or suffix of the % filename. For example, `ps:image' returns PS indicating a Postscript image. % JPEG is returned for this filename: `image.jpg'. The filename prefix has % precendence over the suffix. Use an optional index enclosed in brackets % after a file name to specify a desired scene of a multi-resolution image % format like Photo CD (e.g. img0001.pcd[4]). A True (non-zero) return value % indicates success. % % The format of the SetImageInfo method is: % % MagickBooleanType SetImageInfo(ImageInfo *image_info, % const unsigned int frames,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o frames: the number of images you intend to write. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickBooleanType SetImageInfo(ImageInfo *image_info, const unsigned int frames,ExceptionInfo *exception) { char extension[MaxTextExtent], filename[MaxTextExtent], magic[MaxTextExtent], *q, subimage[MaxTextExtent]; const MagicInfo *magic_info; const MagickInfo *magick_info; ExceptionInfo *sans_exception; Image *image; MagickBooleanType status; register const char *p; ssize_t count; unsigned char magick[2*MaxTextExtent]; /* Look for 'image.format' in filename. */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); *subimage='\0'; GetPathComponent(image_info->filename,SubimagePath,subimage); if (*subimage != '\0') { /* Look for scene specification (e.g. img0001.pcd[4]). */ if (IsSceneGeometry(subimage,MagickFalse) == MagickFalse) { if (IsGeometry(subimage) != MagickFalse) (void) CloneString(&image_info->extract,subimage); } else { size_t first, last; (void) CloneString(&image_info->scenes,subimage); image_info->scene=StringToUnsignedLong(image_info->scenes); image_info->number_scenes=image_info->scene; p=image_info->scenes; for (q=(char *) image_info->scenes; *q != '\0'; p++) { while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ',')) p++; first=(size_t) strtol(p,&q,10); last=first; while (isspace((int) ((unsigned char) *q)) != 0) q++; if (*q == '-') last=(size_t) strtol(q+1,&q,10); if (first > last) Swap(first,last); if (first < image_info->scene) image_info->scene=first; if (last > image_info->number_scenes) image_info->number_scenes=last; p=q; } image_info->number_scenes-=image_info->scene-1; image_info->subimage=image_info->scene; image_info->subrange=image_info->number_scenes; } } *extension='\0'; if (*image_info->magick == '\0') GetPathComponent(image_info->filename,ExtensionPath,extension); #if defined(MAGICKCORE_ZLIB_DELEGATE) if (*extension != '\0') if ((LocaleCompare(extension,"gz") == 0) || (LocaleCompare(extension,"Z") == 0) || (LocaleCompare(extension,"svgz") == 0) || (LocaleCompare(extension,"wmz") == 0)) { char path[MaxTextExtent]; (void) CopyMagickString(path,image_info->filename,MaxTextExtent); path[strlen(path)-strlen(extension)-1]='\0'; GetPathComponent(path,ExtensionPath,extension); } #endif #if defined(MAGICKCORE_BZLIB_DELEGATE) if (*extension != '\0') if (LocaleCompare(extension,"bz2") == 0) { char path[MaxTextExtent]; (void) CopyMagickString(path,image_info->filename,MaxTextExtent); path[strlen(path)-strlen(extension)-1]='\0'; GetPathComponent(path,ExtensionPath,extension); } #endif image_info->affirm=MagickFalse; sans_exception=AcquireExceptionInfo(); if ((*extension != '\0') && (IsGlob(extension) == MagickFalse)) { MagickFormatType format_type; register ssize_t i; static const char *format_type_formats[] = { "AUTOTRACE", "BROWSE", "DCRAW", "EDIT", "LAUNCH", "MPEG:DECODE", "MPEG:ENCODE", "PRINT", "PS:ALPHA", "PS:CMYK", "PS:COLOR", "PS:GRAY", "PS:MONO", "SCAN", "SHOW", "WIN", (char *) NULL }; /* User specified image format. */ (void) CopyMagickString(magic,extension,MaxTextExtent); LocaleUpper(magic); /* Look for explicit image formats. */ format_type=UndefinedFormatType; i=0; while ((format_type == UndefinedFormatType) && (format_type_formats[i] != (char *) NULL)) { if ((*magic == *format_type_formats[i]) && (LocaleCompare(magic,format_type_formats[i]) == 0)) format_type=ExplicitFormatType; i++; } magick_info=GetMagickInfo(magic,sans_exception); if ((magick_info != (const MagickInfo *) NULL) && (magick_info->format_type != UndefinedFormatType)) format_type=magick_info->format_type; if (format_type == UndefinedFormatType) (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); else if (format_type == ExplicitFormatType) { image_info->affirm=MagickTrue; (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); } if (LocaleCompare(magic,"RGB") == 0) image_info->affirm=MagickFalse; /* maybe SGI disguised as RGB */ } /* Look for explicit 'format:image' in filename. */ *magic='\0'; GetPathComponent(image_info->filename,MagickPath,magic); if (*magic == '\0') { (void) CopyMagickString(magic,image_info->magick,MaxTextExtent); magick_info=GetMagickInfo(magic,sans_exception); if (frames == 0) GetPathComponent(image_info->filename,CanonicalPath,filename); else GetPathComponent(image_info->filename,SubcanonicalPath,filename); (void) CopyMagickString(image_info->filename,filename,MaxTextExtent); } else { const DelegateInfo *delegate_info; /* User specified image format. */ LocaleUpper(magic); magick_info=GetMagickInfo(magic,sans_exception); delegate_info=GetDelegateInfo(magic,"*",sans_exception); if (delegate_info == (const DelegateInfo *) NULL) delegate_info=GetDelegateInfo("*",magic,sans_exception); if (((magick_info != (const MagickInfo *) NULL) || (delegate_info != (const DelegateInfo *) NULL)) && (IsMagickConflict(magic) == MagickFalse)) { image_info->affirm=MagickTrue; (void) CopyMagickString(image_info->magick,magic,MaxTextExtent); GetPathComponent(image_info->filename,CanonicalPath,filename); (void) CopyMagickString(image_info->filename,filename,MaxTextExtent); } } sans_exception=DestroyExceptionInfo(sans_exception); if ((magick_info == (const MagickInfo *) NULL) || (GetMagickEndianSupport(magick_info) == MagickFalse)) image_info->endian=UndefinedEndian; if ((image_info->adjoin != MagickFalse) && (frames > 1)) { /* Test for multiple image support (e.g. image%02d.png). */ (void) InterpretImageFilename(image_info,(Image *) NULL, image_info->filename,(int) image_info->scene,filename); if ((LocaleCompare(filename,image_info->filename) != 0) && (strchr(filename,'%') == (char *) NULL)) image_info->adjoin=MagickFalse; } if ((image_info->adjoin != MagickFalse) && (frames > 0)) { /* Some image formats do not support multiple frames per file. */ magick_info=GetMagickInfo(magic,exception); if (magick_info != (const MagickInfo *) NULL) if (GetMagickAdjoin(magick_info) == MagickFalse) image_info->adjoin=MagickFalse; } if (image_info->affirm != MagickFalse) return(MagickTrue); if (frames == 0) { /* Determine the image format from the first few bytes of the file. */ image=AcquireImage(image_info); (void) CopyMagickString(image->filename,image_info->filename, MaxTextExtent); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImage(image); return(MagickFalse); } if ((IsBlobSeekable(image) == MagickFalse) || (IsBlobExempt(image) != MagickFalse)) { /* Copy image to a seekable temporary file. */ *filename='\0'; status=ImageToFile(image,filename,exception); (void) CloseBlob(image); if (status == MagickFalse) { image=DestroyImage(image); return(MagickFalse); } SetImageInfoFile(image_info,(FILE *) NULL); (void) CopyMagickString(image->filename,filename,MaxTextExtent); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImage(image); return(MagickFalse); } (void) CopyMagickString(image_info->filename,filename,MaxTextExtent); image_info->temporary=MagickTrue; } (void) memset(magick,0,sizeof(magick)); count=ReadBlob(image,2*MaxTextExtent,magick); (void) SeekBlob(image,-((MagickOffsetType) count),SEEK_CUR); (void) CloseBlob(image); image=DestroyImage(image); /* Check magic.xml configuration file. */ sans_exception=AcquireExceptionInfo(); magic_info=GetMagicInfo(magick,(size_t) count,sans_exception); if ((magic_info != (const MagicInfo *) NULL) && (GetMagicName(magic_info) != (char *) NULL)) { (void) CopyMagickString(image_info->magick,GetMagicName(magic_info), MaxTextExtent); magick_info=GetMagickInfo(image_info->magick,sans_exception); if ((magick_info == (const MagickInfo *) NULL) || (GetMagickEndianSupport(magick_info) == MagickFalse)) image_info->endian=UndefinedEndian; sans_exception=DestroyExceptionInfo(sans_exception); return(MagickTrue); } magick_info=GetMagickInfo(image_info->magick,sans_exception); if ((magick_info == (const MagickInfo *) NULL) || (GetMagickEndianSupport(magick_info) == MagickFalse)) image_info->endian=UndefinedEndian; sans_exception=DestroyExceptionInfo(sans_exception); } return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e I n f o B l o b % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageInfoBlob() sets the image info blob member. % % The format of the SetImageInfoBlob method is: % % void SetImageInfoBlob(ImageInfo *image_info,const void *blob, % const size_t length) % % A description of each parameter follows: % % o image_info: the image info. % % o blob: the blob. % % o length: the blob length. % */ MagickExport void SetImageInfoBlob(ImageInfo *image_info,const void *blob, const size_t length) { assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); image_info->blob=(void *) blob; image_info->length=length; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e I n f o F i l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageInfoFile() sets the image info file member. % % The format of the SetImageInfoFile method is: % % void SetImageInfoFile(ImageInfo *image_info,FILE *file) % % A description of each parameter follows: % % o image_info: the image info. % % o file: the file. % */ MagickExport void SetImageInfoFile(ImageInfo *image_info,FILE *file) { assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); image_info->file=file; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e M a s k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageMask() associates a mask with the image. The mask must be the same % dimensions as the image. % % The format of the SetImageMask method is: % % MagickBooleanType SetImageMask(Image *image,const Image *mask) % % A description of each parameter follows: % % o image: the image. % % o mask: the image mask. % */ MagickExport MagickBooleanType SetImageMask(Image *image,const Image *mask) { assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (mask != (const Image *) NULL) if ((mask->columns != image->columns) || (mask->rows != image->rows)) ThrowBinaryImageException(ImageError,"ImageSizeDiffers",image->filename); if (image->mask != (Image *) NULL) image->mask=DestroyImage(image->mask); image->mask=NewImageList(); if (mask == (Image *) NULL) return(MagickTrue); if (SetImageStorageClass(image,DirectClass) == MagickFalse) return(MagickFalse); image->mask=CloneImage(mask,0,0,MagickTrue,&image->exception); if (image->mask == (Image *) NULL) return(MagickFalse); return(MagickTrue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e O p a c i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageOpacity() sets the opacity levels of the image. % % The format of the SetImageOpacity method is: % % MagickBooleanType SetImageOpacity(Image *image,const Quantum opacity) % % A description of each parameter follows: % % o image: the image. % % o opacity: the level of transparency: 0 is fully opaque and QuantumRange is % fully transparent. % */ MagickExport MagickBooleanType SetImageOpacity(Image *image, const Quantum opacity) { CacheView *image_view; ExceptionInfo *exception; MagickBooleanType status; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); image->matte=MagickTrue; status=MagickTrue; exception=(&image->exception); image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { SetPixelOpacity(q,opacity); q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % 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 % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SetImageVirtualPixelMethod() sets the "virtual pixels" method for the % image and returns the previous setting. A virtual pixel is any pixel access % that is outside the boundaries of the image cache. % % The format of the SetImageVirtualPixelMethod() method is: % % VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image, % const VirtualPixelMethod virtual_pixel_method) % % A description of each parameter follows: % % o image: the image. % % o virtual_pixel_method: choose the type of virtual pixel. % */ MagickExport VirtualPixelMethod SetImageVirtualPixelMethod(const Image *image, const VirtualPixelMethod virtual_pixel_method) { assert(image != (const Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); return(SetPixelCacheVirtualMethod(image,virtual_pixel_method)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S m u s h I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SmushImages() takes all images from the current image pointer to the end % of the image list and smushes them to each other top-to-bottom if the % stack parameter is true, otherwise left-to-right. % % The current gravity setting now effects how the image is justified in the % final image. % % The format of the SmushImages method is: % % Image *SmushImages(const Image *images,const MagickBooleanType stack, % ExceptionInfo *exception) % % A description of each parameter follows: % % o images: the image sequence. % % o stack: A value other than 0 stacks the images top-to-bottom. % % o offset: minimum distance in pixels between images. % % o exception: return any errors or warnings in this structure. % */ static ssize_t SmushXGap(const Image *smush_image,const Image *images, const ssize_t offset,ExceptionInfo *exception) { CacheView *left_view, *right_view; const Image *left_image, *right_image; RectangleInfo left_geometry, right_geometry; register const PixelPacket *p; register ssize_t i, y; size_t gap; ssize_t x; if (images->previous == (Image *) NULL) return(0); right_image=images; SetGeometry(smush_image,&right_geometry); GravityAdjustGeometry(right_image->columns,right_image->rows, right_image->gravity,&right_geometry); left_image=images->previous; SetGeometry(smush_image,&left_geometry); GravityAdjustGeometry(left_image->columns,left_image->rows, left_image->gravity,&left_geometry); gap=right_image->columns; left_view=AcquireVirtualCacheView(left_image,exception); right_view=AcquireVirtualCacheView(right_image,exception); for (y=0; y < (ssize_t) smush_image->rows; y++) { for (x=(ssize_t) left_image->columns-1; x > 0; x--) { p=GetCacheViewVirtualPixels(left_view,x,left_geometry.y+y,1,1,exception); if ((p == (const PixelPacket *) NULL) || (GetPixelOpacity(p) != TransparentOpacity) || ((left_image->columns-x-1) >= gap)) break; } i=(ssize_t) left_image->columns-x-1; for (x=0; x < (ssize_t) right_image->columns; x++) { p=GetCacheViewVirtualPixels(right_view,x,right_geometry.y+y,1,1, exception); if ((p == (const PixelPacket *) NULL) || (GetPixelOpacity(p) != TransparentOpacity) || ((x+i) >= (ssize_t) gap)) break; } if ((x+i) < (ssize_t) gap) gap=(size_t) (x+i); } right_view=DestroyCacheView(right_view); left_view=DestroyCacheView(left_view); if (y < (ssize_t) smush_image->rows) return(offset); return((ssize_t) gap-offset); } static ssize_t SmushYGap(const Image *smush_image,const Image *images, const ssize_t offset,ExceptionInfo *exception) { CacheView *bottom_view, *top_view; const Image *bottom_image, *top_image; RectangleInfo bottom_geometry, top_geometry; register const PixelPacket *p; register ssize_t i, x; size_t gap; ssize_t y; if (images->previous == (Image *) NULL) return(0); bottom_image=images; SetGeometry(smush_image,&bottom_geometry); GravityAdjustGeometry(bottom_image->columns,bottom_image->rows, bottom_image->gravity,&bottom_geometry); top_image=images->previous; SetGeometry(smush_image,&top_geometry); GravityAdjustGeometry(top_image->columns,top_image->rows,top_image->gravity, &top_geometry); gap=bottom_image->rows; top_view=AcquireVirtualCacheView(top_image,exception); bottom_view=AcquireVirtualCacheView(bottom_image,exception); for (x=0; x < (ssize_t) smush_image->columns; x++) { for (y=(ssize_t) top_image->rows-1; y > 0; y--) { p=GetCacheViewVirtualPixels(top_view,top_geometry.x+x,y,1,1,exception); if ((p == (const PixelPacket *) NULL) || (GetPixelOpacity(p) != TransparentOpacity) || ((top_image->rows-y-1) >= gap)) break; } i=(ssize_t) top_image->rows-y-1; for (y=0; y < (ssize_t) bottom_image->rows; y++) { p=GetCacheViewVirtualPixels(bottom_view,bottom_geometry.x+x,y,1,1, exception); if ((p == (const PixelPacket *) NULL) || (GetPixelOpacity(p) != TransparentOpacity) || ((y+i) >= (ssize_t) gap)) break; } if ((y+i) < (ssize_t) gap) gap=(size_t) (y+i); } bottom_view=DestroyCacheView(bottom_view); top_view=DestroyCacheView(top_view); if (x < (ssize_t) smush_image->columns) return(offset); return((ssize_t) gap-offset); } MagickExport Image *SmushImages(const Image *images, const MagickBooleanType stack,const ssize_t offset,ExceptionInfo *exception) { #define SmushImageTag "Smush/Image" CacheView *smush_view; const Image *image; Image *smush_image; MagickBooleanType matte, proceed, status; MagickOffsetType n; RectangleInfo geometry; register const Image *next; size_t height, number_images, width; ssize_t x_offset, y_offset; /* Compute maximum area of smushed area. */ assert(images != (Image *) NULL); assert(images->signature == MagickCoreSignature); if (images->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=images; matte=image->matte; number_images=1; width=image->columns; height=image->rows; next=GetNextImageInList(image); for ( ; next != (Image *) NULL; next=GetNextImageInList(next)) { if (next->matte != MagickFalse) matte=MagickTrue; number_images++; if (stack != MagickFalse) { if (next->columns > width) width=next->columns; height+=next->rows; if (next->previous != (Image *) NULL) height+=offset; continue; } width+=next->columns; if (next->previous != (Image *) NULL) width+=offset; if (next->rows > height) height=next->rows; } /* Smush images. */ smush_image=CloneImage(image,width,height,MagickTrue,exception); if (smush_image == (Image *) NULL) return((Image *) NULL); if (SetImageStorageClass(smush_image,DirectClass) == MagickFalse) { InheritException(exception,&smush_image->exception); smush_image=DestroyImage(smush_image); return((Image *) NULL); } smush_image->matte=matte; (void) SetImageBackgroundColor(smush_image); status=MagickTrue; x_offset=0; y_offset=0; smush_view=AcquireVirtualCacheView(smush_image,exception); for (n=0; n < (MagickOffsetType) number_images; n++) { SetGeometry(smush_image,&geometry); GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry); if (stack != MagickFalse) { x_offset-=geometry.x; y_offset-=SmushYGap(smush_image,image,offset,exception); } else { x_offset-=SmushXGap(smush_image,image,offset,exception); y_offset-=geometry.y; } status=CompositeImage(smush_image,OverCompositeOp,image,x_offset,y_offset); proceed=SetImageProgress(image,SmushImageTag,n,number_images); if (proceed == MagickFalse) break; if (stack == MagickFalse) { x_offset+=(ssize_t) image->columns; y_offset=0; } else { x_offset=0; y_offset+=(ssize_t) image->rows; } image=GetNextImageInList(image); } if (stack == MagickFalse) smush_image->columns=(size_t) x_offset; else smush_image->rows=(size_t) y_offset; smush_view=DestroyCacheView(smush_view); if (status == MagickFalse) smush_image=DestroyImage(smush_image); return(smush_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S t r i p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % StripImage() strips an image of all profiles and comments. % % The format of the StripImage method is: % % MagickBooleanType StripImage(Image *image) % % A description of each parameter follows: % % o image: the image. % */ MagickExport MagickBooleanType StripImage(Image *image) { MagickBooleanType status; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); DestroyImageProfiles(image); (void) DeleteImageProperty(image,"comment"); (void) DeleteImageProperty(image,"date:create"); (void) DeleteImageProperty(image,"date:modify"); status=SetImageArtifact(image,"png:exclude-chunk", "bKGD,caNv,cHRM,eXIf,gAMA,iCCP,iTXt,pHYs,sRGB,tEXt,zCCP,zTXt,date"); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + S y n c I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SyncImage() initializes the red, green, and blue intensities of each pixel % as defined by the colormap index. % % The format of the SyncImage method is: % % MagickBooleanType SyncImage(Image *image) % % A description of each parameter follows: % % o image: the image. % */ static inline IndexPacket PushColormapIndex(Image *image, const size_t index,MagickBooleanType *range_exception) { if (index < image->colors) return((IndexPacket) index); *range_exception=MagickTrue; return((IndexPacket) 0); } MagickExport MagickBooleanType SyncImage(Image *image) { CacheView *image_view; ExceptionInfo *exception; MagickBooleanType range_exception, status, taint; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); if (image->ping != MagickFalse) return(MagickTrue); if (image->storage_class != PseudoClass) return(MagickFalse); assert(image->colormap != (PixelPacket *) NULL); range_exception=MagickFalse; status=MagickTrue; taint=image->taint; exception=(&image->exception); image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static) shared(range_exception,status) \ magick_number_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { IndexPacket index; register IndexPacket *magick_restrict indexes; register PixelPacket *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) { status=MagickFalse; continue; } indexes=GetCacheViewAuthenticIndexQueue(image_view); for (x=0; x < (ssize_t) image->columns; x++) { index=PushColormapIndex(image,(size_t) GetPixelIndex(indexes+x), &range_exception); if (image->matte == MagickFalse) SetPixelRgb(q,image->colormap+(ssize_t) index) else SetPixelRGBO(q,image->colormap+(ssize_t) index); q++; } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); image->taint=taint; if ((image->ping == MagickFalse) && (range_exception != MagickFalse)) (void) ThrowMagickException(&image->exception,GetMagickModule(), CorruptImageWarning,"InvalidColormapIndex","`%s'",image->filename); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S y n c I m a g e S e t t i n g s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % SyncImageSettings() syncs image_info options into per-image attributes. % % The format of the SyncImageSettings method is: % % MagickBooleanType SyncImageSettings(const ImageInfo *image_info, % Image *image) % MagickBooleanType SyncImagesSettings(const ImageInfo *image_info, % Image *image) % % A description of each parameter follows: % % o image_info: the image info. % % o image: the image. % */ MagickExport MagickBooleanType SyncImagesSettings(ImageInfo *image_info, Image *images) { Image *image; assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(images != (Image *) NULL); assert(images->signature == MagickCoreSignature); if (images->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); image=images; for ( ; image != (Image *) NULL; image=GetNextImageInList(image)) (void) SyncImageSettings(image_info,image); (void) DeleteImageOption(image_info,"page"); return(MagickTrue); } MagickExport MagickBooleanType SyncImageSettings(const ImageInfo *image_info, Image *image) { char property[MaxTextExtent]; const char *option, *value; GeometryInfo geometry_info; MagickStatusType flags; ResolutionType units; /* Sync image options. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); option=GetImageOption(image_info,"background"); if (option != (const char *) NULL) (void) QueryColorDatabase(option,&image->background_color, &image->exception); option=GetImageOption(image_info,"bias"); if (option != (const char *) NULL) image->bias=StringToDoubleInterval(option,(double) QuantumRange+1.0); option=GetImageOption(image_info,"black-point-compensation"); if (option != (const char *) NULL) image->black_point_compensation=(MagickBooleanType) ParseCommandOption( MagickBooleanOptions,MagickFalse,option); option=GetImageOption(image_info,"blue-primary"); if (option != (const char *) NULL) { flags=ParseGeometry(option,&geometry_info); image->chromaticity.blue_primary.x=geometry_info.rho; image->chromaticity.blue_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.blue_primary.y=image->chromaticity.blue_primary.x; } option=GetImageOption(image_info,"bordercolor"); if (option != (const char *) NULL) (void) QueryColorDatabase(option,&image->border_color,&image->exception); option=GetImageOption(image_info,"colors"); if (option != (const char *) NULL) image->colors=StringToUnsignedLong(option); option=GetImageOption(image_info,"compose"); if (option != (const char *) NULL) image->compose=(CompositeOperator) ParseCommandOption(MagickComposeOptions, MagickFalse,option); option=GetImageOption(image_info,"compress"); if (option != (const char *) NULL) image->compression=(CompressionType) ParseCommandOption( MagickCompressOptions,MagickFalse,option); option=GetImageOption(image_info,"debug"); if (option != (const char *) NULL) image->debug=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions, MagickFalse,option); option=GetImageOption(image_info,"density"); if (option != (const char *) NULL) { GeometryInfo geometry_info; /* Set image density. */ flags=ParseGeometry(option,&geometry_info); image->x_resolution=geometry_info.rho; image->y_resolution=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->y_resolution=image->x_resolution; } option=GetImageOption(image_info,"depth"); if (option != (const char *) NULL) image->depth=StringToUnsignedLong(option); option=GetImageOption(image_info,"endian"); if (option != (const char *) NULL) image->endian=(EndianType) ParseCommandOption(MagickEndianOptions, MagickFalse,option); option=GetImageOption(image_info,"filter"); if (option != (const char *) NULL) image->filter=(FilterTypes) ParseCommandOption(MagickFilterOptions, MagickFalse,option); option=GetImageOption(image_info,"fuzz"); if (option != (const char *) NULL) image->fuzz=StringToDoubleInterval(option,(double) QuantumRange+1.0); option=GetImageOption(image_info,"gravity"); if (option != (const char *) NULL) image->gravity=(GravityType) ParseCommandOption(MagickGravityOptions, MagickFalse,option); option=GetImageOption(image_info,"green-primary"); if (option != (const char *) NULL) { flags=ParseGeometry(option,&geometry_info); image->chromaticity.green_primary.x=geometry_info.rho; image->chromaticity.green_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.green_primary.y=image->chromaticity.green_primary.x; } option=GetImageOption(image_info,"intensity"); if (option != (const char *) NULL) image->intensity=(PixelIntensityMethod) ParseCommandOption( MagickPixelIntensityOptions,MagickFalse,option); option=GetImageOption(image_info,"intent"); if (option != (const char *) NULL) image->rendering_intent=(RenderingIntent) ParseCommandOption( MagickIntentOptions,MagickFalse,option); option=GetImageOption(image_info,"interlace"); if (option != (const char *) NULL) image->interlace=(InterlaceType) ParseCommandOption(MagickInterlaceOptions, MagickFalse,option); option=GetImageOption(image_info,"interpolate"); if (option != (const char *) NULL) image->interpolate=(InterpolatePixelMethod) ParseCommandOption( MagickInterpolateOptions,MagickFalse,option); option=GetImageOption(image_info,"loop"); if (option != (const char *) NULL) image->iterations=StringToUnsignedLong(option); option=GetImageOption(image_info,"mattecolor"); if (option != (const char *) NULL) (void) QueryColorDatabase(option,&image->matte_color,&image->exception); option=GetImageOption(image_info,"orient"); if (option != (const char *) NULL) image->orientation=(OrientationType) ParseCommandOption( MagickOrientationOptions,MagickFalse,option); option=GetImageOption(image_info,"page"); if (option != (const char *) NULL) { char *geometry; geometry=GetPageGeometry(option); flags=ParseAbsoluteGeometry(geometry,&image->page); geometry=DestroyString(geometry); } option=GetImageOption(image_info,"quality"); if (option != (const char *) NULL) image->quality=StringToUnsignedLong(option); option=GetImageOption(image_info,"red-primary"); if (option != (const char *) NULL) { flags=ParseGeometry(option,&geometry_info); image->chromaticity.red_primary.x=geometry_info.rho; image->chromaticity.red_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.red_primary.y=image->chromaticity.red_primary.x; } if (image_info->quality != UndefinedCompressionQuality) image->quality=image_info->quality; option=GetImageOption(image_info,"scene"); if (option != (const char *) NULL) image->scene=StringToUnsignedLong(option); option=GetImageOption(image_info,"taint"); if (option != (const char *) NULL) image->taint=(MagickBooleanType) ParseCommandOption(MagickBooleanOptions, MagickFalse,option); option=GetImageOption(image_info,"tile-offset"); if (option != (const char *) NULL) { char *geometry; geometry=GetPageGeometry(option); flags=ParseAbsoluteGeometry(geometry,&image->tile_offset); geometry=DestroyString(geometry); } option=GetImageOption(image_info,"transparent-color"); if (option != (const char *) NULL) (void) QueryColorDatabase(option,&image->transparent_color, &image->exception); option=GetImageOption(image_info,"type"); if (option != (const char *) NULL) image->type=(ImageType) ParseCommandOption(MagickTypeOptions,MagickFalse, option); option=GetImageOption(image_info,"units"); units=image_info->units; option=GetImageOption(image_info,"units"); if (option != (const char *) NULL) units=(ResolutionType) ParseCommandOption(MagickResolutionOptions, MagickFalse,option); if (units != UndefinedResolution) { if (image->units != units) switch (image->units) { case PixelsPerInchResolution: { if (units == PixelsPerCentimeterResolution) { image->x_resolution/=2.54; image->y_resolution/=2.54; } break; } case PixelsPerCentimeterResolution: { if (units == PixelsPerInchResolution) { image->x_resolution=(double) ((size_t) (100.0*2.54* image->x_resolution+0.5))/100.0; image->y_resolution=(double) ((size_t) (100.0*2.54* image->y_resolution+0.5))/100.0; } break; } default: break; } image->units=units; } option=GetImageOption(image_info,"white-point"); if (option != (const char *) NULL) { flags=ParseGeometry(option,&geometry_info); image->chromaticity.white_point.x=geometry_info.rho; image->chromaticity.white_point.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.white_point.y=image->chromaticity.white_point.x; } ResetImageOptionIterator(image_info); for (option=GetNextImageOption(image_info); option != (const char *) NULL; ) { value=GetImageOption(image_info,option); if (value != (const char *) NULL) { (void) FormatLocaleString(property,MaxTextExtent,"%s",option); (void) SetImageArtifact(image,property,value); } option=GetNextImageOption(image_info); } return(MagickTrue); }